xref: /openbmc/linux/tools/power/x86/turbostat/turbostat.c (revision abdc75ab53b7fd2ef42c79e88cf0caf2d007c4f2)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * turbostat -- show CPU frequency and C-state residency
4  * on modern Intel and AMD processors.
5  *
6  * Copyright (c) 2013 Intel Corporation.
7  * Len Brown <len.brown@intel.com>
8  */
9 
10 #define _GNU_SOURCE
11 #include MSRHEADER
12 #include INTEL_FAMILY_HEADER
13 #include <stdarg.h>
14 #include <stdio.h>
15 #include <err.h>
16 #include <unistd.h>
17 #include <sys/types.h>
18 #include <sys/wait.h>
19 #include <sys/stat.h>
20 #include <sys/select.h>
21 #include <sys/resource.h>
22 #include <fcntl.h>
23 #include <signal.h>
24 #include <sys/time.h>
25 #include <stdlib.h>
26 #include <getopt.h>
27 #include <dirent.h>
28 #include <string.h>
29 #include <ctype.h>
30 #include <sched.h>
31 #include <time.h>
32 #include <cpuid.h>
33 #include <sys/capability.h>
34 #include <errno.h>
35 #include <math.h>
36 #include <linux/perf_event.h>
37 #include <asm/unistd.h>
38 
39 char *proc_stat = "/proc/stat";
40 FILE *outf;
41 int *fd_percpu;
42 int *fd_instr_count_percpu;
43 struct timeval interval_tv = {5, 0};
44 struct timespec interval_ts = {5, 0};
45 unsigned int num_iterations;
46 unsigned int debug;
47 unsigned int quiet;
48 unsigned int shown;
49 unsigned int sums_need_wide_columns;
50 unsigned int rapl_joules;
51 unsigned int summary_only;
52 unsigned int list_header_only;
53 unsigned int dump_only;
54 unsigned int do_snb_cstates;
55 unsigned int do_knl_cstates;
56 unsigned int do_slm_cstates;
57 unsigned int use_c1_residency_msr;
58 unsigned int has_aperf;
59 unsigned int has_epb;
60 unsigned int do_irtl_snb;
61 unsigned int do_irtl_hsw;
62 unsigned int units = 1000000;	/* MHz etc */
63 unsigned int genuine_intel;
64 unsigned int authentic_amd;
65 unsigned int hygon_genuine;
66 unsigned int max_level, max_extended_level;
67 unsigned int has_invariant_tsc;
68 unsigned int do_nhm_platform_info;
69 unsigned int no_MSR_MISC_PWR_MGMT;
70 unsigned int aperf_mperf_multiplier = 1;
71 double bclk;
72 double base_hz;
73 unsigned int has_base_hz;
74 double tsc_tweak = 1.0;
75 unsigned int show_pkg_only;
76 unsigned int show_core_only;
77 char *output_buffer, *outp;
78 unsigned int do_rapl;
79 unsigned int do_dts;
80 unsigned int do_ptm;
81 unsigned int do_ipc;
82 unsigned long long  gfx_cur_rc6_ms;
83 unsigned long long cpuidle_cur_cpu_lpi_us;
84 unsigned long long cpuidle_cur_sys_lpi_us;
85 unsigned int gfx_cur_mhz;
86 unsigned int gfx_act_mhz;
87 unsigned int tcc_activation_temp;
88 unsigned int tcc_activation_temp_override;
89 double rapl_power_units, rapl_time_units;
90 double rapl_dram_energy_units, rapl_energy_units;
91 double rapl_joule_counter_range;
92 unsigned int do_core_perf_limit_reasons;
93 unsigned int has_automatic_cstate_conversion;
94 unsigned int do_gfx_perf_limit_reasons;
95 unsigned int do_ring_perf_limit_reasons;
96 unsigned int crystal_hz;
97 unsigned long long tsc_hz;
98 int base_cpu;
99 double discover_bclk(unsigned int family, unsigned int model);
100 unsigned int has_hwp;	/* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */
101 			/* IA32_HWP_REQUEST, IA32_HWP_STATUS */
102 unsigned int has_hwp_notify;		/* IA32_HWP_INTERRUPT */
103 unsigned int has_hwp_activity_window;	/* IA32_HWP_REQUEST[bits 41:32] */
104 unsigned int has_hwp_epp;		/* IA32_HWP_REQUEST[bits 31:24] */
105 unsigned int has_hwp_pkg;		/* IA32_HWP_REQUEST_PKG */
106 unsigned int has_misc_feature_control;
107 unsigned int first_counter_read = 1;
108 int ignore_stdin;
109 
110 #define RAPL_PKG		(1 << 0)
111 					/* 0x610 MSR_PKG_POWER_LIMIT */
112 					/* 0x611 MSR_PKG_ENERGY_STATUS */
113 #define RAPL_PKG_PERF_STATUS	(1 << 1)
114 					/* 0x613 MSR_PKG_PERF_STATUS */
115 #define RAPL_PKG_POWER_INFO	(1 << 2)
116 					/* 0x614 MSR_PKG_POWER_INFO */
117 
118 #define RAPL_DRAM		(1 << 3)
119 					/* 0x618 MSR_DRAM_POWER_LIMIT */
120 					/* 0x619 MSR_DRAM_ENERGY_STATUS */
121 #define RAPL_DRAM_PERF_STATUS	(1 << 4)
122 					/* 0x61b MSR_DRAM_PERF_STATUS */
123 #define RAPL_DRAM_POWER_INFO	(1 << 5)
124 					/* 0x61c MSR_DRAM_POWER_INFO */
125 
126 #define RAPL_CORES_POWER_LIMIT	(1 << 6)
127 					/* 0x638 MSR_PP0_POWER_LIMIT */
128 #define RAPL_CORE_POLICY	(1 << 7)
129 					/* 0x63a MSR_PP0_POLICY */
130 
131 #define RAPL_GFX		(1 << 8)
132 					/* 0x640 MSR_PP1_POWER_LIMIT */
133 					/* 0x641 MSR_PP1_ENERGY_STATUS */
134 					/* 0x642 MSR_PP1_POLICY */
135 
136 #define RAPL_CORES_ENERGY_STATUS	(1 << 9)
137 					/* 0x639 MSR_PP0_ENERGY_STATUS */
138 #define RAPL_PER_CORE_ENERGY	(1 << 10)
139 					/* Indicates cores energy collection is per-core,
140 					 * not per-package. */
141 #define RAPL_AMD_F17H		(1 << 11)
142 					/* 0xc0010299 MSR_RAPL_PWR_UNIT */
143 					/* 0xc001029a MSR_CORE_ENERGY_STAT */
144 					/* 0xc001029b MSR_PKG_ENERGY_STAT */
145 #define RAPL_CORES (RAPL_CORES_ENERGY_STATUS | RAPL_CORES_POWER_LIMIT)
146 #define	TJMAX_DEFAULT	100
147 
148 /* MSRs that are not yet in the kernel-provided header. */
149 #define MSR_RAPL_PWR_UNIT	0xc0010299
150 #define MSR_CORE_ENERGY_STAT	0xc001029a
151 #define MSR_PKG_ENERGY_STAT	0xc001029b
152 
153 #define MAX(a, b) ((a) > (b) ? (a) : (b))
154 
155 /*
156  * buffer size used by sscanf() for added column names
157  * Usually truncated to 7 characters, but also handles 18 columns for raw 64-bit counters
158  */
159 #define	NAME_BYTES 20
160 #define PATH_BYTES 128
161 
162 int backwards_count;
163 char *progname;
164 
165 #define CPU_SUBSET_MAXCPUS	1024	/* need to use before probe... */
166 cpu_set_t *cpu_present_set, *cpu_affinity_set, *cpu_subset;
167 size_t cpu_present_setsize, cpu_affinity_setsize, cpu_subset_size;
168 #define MAX_ADDED_COUNTERS 8
169 #define MAX_ADDED_THREAD_COUNTERS 24
170 #define BITMASK_SIZE 32
171 
172 struct thread_data {
173 	struct timeval tv_begin;
174 	struct timeval tv_end;
175 	struct timeval tv_delta;
176 	unsigned long long tsc;
177 	unsigned long long aperf;
178 	unsigned long long mperf;
179 	unsigned long long c1;
180 	unsigned long long instr_count;
181 	unsigned long long  irq_count;
182 	unsigned int smi_count;
183 	unsigned int cpu_id;
184 	unsigned int apic_id;
185 	unsigned int x2apic_id;
186 	unsigned int flags;
187 #define CPU_IS_FIRST_THREAD_IN_CORE	0x2
188 #define CPU_IS_FIRST_CORE_IN_PACKAGE	0x4
189 	unsigned long long counter[MAX_ADDED_THREAD_COUNTERS];
190 } *thread_even, *thread_odd;
191 
192 struct core_data {
193 	unsigned long long c3;
194 	unsigned long long c6;
195 	unsigned long long c7;
196 	unsigned long long mc6_us;	/* duplicate as per-core for now, even though per module */
197 	unsigned int core_temp_c;
198 	unsigned int core_energy;	/* MSR_CORE_ENERGY_STAT */
199 	unsigned int core_id;
200 	unsigned long long counter[MAX_ADDED_COUNTERS];
201 } *core_even, *core_odd;
202 
203 struct pkg_data {
204 	unsigned long long pc2;
205 	unsigned long long pc3;
206 	unsigned long long pc6;
207 	unsigned long long pc7;
208 	unsigned long long pc8;
209 	unsigned long long pc9;
210 	unsigned long long pc10;
211 	unsigned long long cpu_lpi;
212 	unsigned long long sys_lpi;
213 	unsigned long long pkg_wtd_core_c0;
214 	unsigned long long pkg_any_core_c0;
215 	unsigned long long pkg_any_gfxe_c0;
216 	unsigned long long pkg_both_core_gfxe_c0;
217 	long long gfx_rc6_ms;
218 	unsigned int gfx_mhz;
219 	unsigned int gfx_act_mhz;
220 	unsigned int package_id;
221 	unsigned long long energy_pkg;	/* MSR_PKG_ENERGY_STATUS */
222 	unsigned long long energy_dram;	/* MSR_DRAM_ENERGY_STATUS */
223 	unsigned long long energy_cores;	/* MSR_PP0_ENERGY_STATUS */
224 	unsigned long long energy_gfx;	/* MSR_PP1_ENERGY_STATUS */
225 	unsigned long long rapl_pkg_perf_status;	/* MSR_PKG_PERF_STATUS */
226 	unsigned long long rapl_dram_perf_status;	/* MSR_DRAM_PERF_STATUS */
227 	unsigned int pkg_temp_c;
228 	unsigned long long counter[MAX_ADDED_COUNTERS];
229 } *package_even, *package_odd;
230 
231 #define ODD_COUNTERS thread_odd, core_odd, package_odd
232 #define EVEN_COUNTERS thread_even, core_even, package_even
233 
234 #define GET_THREAD(thread_base, thread_no, core_no, node_no, pkg_no)	      \
235 	((thread_base) +						      \
236 	 ((pkg_no) *							      \
237 	  topo.nodes_per_pkg * topo.cores_per_node * topo.threads_per_core) + \
238 	 ((node_no) * topo.cores_per_node * topo.threads_per_core) +	      \
239 	 ((core_no) * topo.threads_per_core) +				      \
240 	 (thread_no))
241 
242 #define GET_CORE(core_base, core_no, node_no, pkg_no)			\
243 	((core_base) +							\
244 	 ((pkg_no) *  topo.nodes_per_pkg * topo.cores_per_node) +	\
245 	 ((node_no) * topo.cores_per_node) +				\
246 	 (core_no))
247 
248 
249 #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)
250 
251 enum counter_scope {SCOPE_CPU, SCOPE_CORE, SCOPE_PACKAGE};
252 enum counter_type {COUNTER_ITEMS, COUNTER_CYCLES, COUNTER_SECONDS, COUNTER_USEC};
253 enum counter_format {FORMAT_RAW, FORMAT_DELTA, FORMAT_PERCENT};
254 
255 struct msr_counter {
256 	unsigned int msr_num;
257 	char name[NAME_BYTES];
258 	char path[PATH_BYTES];
259 	unsigned int width;
260 	enum counter_type type;
261 	enum counter_format format;
262 	struct msr_counter *next;
263 	unsigned int flags;
264 #define	FLAGS_HIDE	(1 << 0)
265 #define	FLAGS_SHOW	(1 << 1)
266 #define	SYSFS_PERCPU	(1 << 1)
267 };
268 
269 /*
270  * The accumulated sum of MSR is defined as a monotonic
271  * increasing MSR, it will be accumulated periodically,
272  * despite its register's bit width.
273  */
274 enum {
275 	IDX_PKG_ENERGY,
276 	IDX_DRAM_ENERGY,
277 	IDX_PP0_ENERGY,
278 	IDX_PP1_ENERGY,
279 	IDX_PKG_PERF,
280 	IDX_DRAM_PERF,
281 	IDX_COUNT,
282 };
283 
284 int get_msr_sum(int cpu, off_t offset, unsigned long long *msr);
285 
286 struct msr_sum_array {
287 	/* get_msr_sum() = sum + (get_msr() - last) */
288 	struct {
289 		/*The accumulated MSR value is updated by the timer*/
290 		unsigned long long sum;
291 		/*The MSR footprint recorded in last timer*/
292 		unsigned long long last;
293 	} entries[IDX_COUNT];
294 };
295 
296 /* The percpu MSR sum array.*/
297 struct msr_sum_array *per_cpu_msr_sum;
298 
299 int idx_to_offset(int idx)
300 {
301 	int offset;
302 
303 	switch (idx) {
304 	case IDX_PKG_ENERGY:
305 		offset = MSR_PKG_ENERGY_STATUS;
306 		break;
307 	case IDX_DRAM_ENERGY:
308 		offset = MSR_DRAM_ENERGY_STATUS;
309 		break;
310 	case IDX_PP0_ENERGY:
311 		offset = MSR_PP0_ENERGY_STATUS;
312 		break;
313 	case IDX_PP1_ENERGY:
314 		offset = MSR_PP1_ENERGY_STATUS;
315 		break;
316 	case IDX_PKG_PERF:
317 		offset = MSR_PKG_PERF_STATUS;
318 		break;
319 	case IDX_DRAM_PERF:
320 		offset = MSR_DRAM_PERF_STATUS;
321 		break;
322 	default:
323 		offset = -1;
324 	}
325 	return offset;
326 }
327 
328 int offset_to_idx(int offset)
329 {
330 	int idx;
331 
332 	switch (offset) {
333 	case MSR_PKG_ENERGY_STATUS:
334 		idx = IDX_PKG_ENERGY;
335 		break;
336 	case MSR_DRAM_ENERGY_STATUS:
337 		idx = IDX_DRAM_ENERGY;
338 		break;
339 	case MSR_PP0_ENERGY_STATUS:
340 		idx = IDX_PP0_ENERGY;
341 		break;
342 	case MSR_PP1_ENERGY_STATUS:
343 		idx = IDX_PP1_ENERGY;
344 		break;
345 	case MSR_PKG_PERF_STATUS:
346 		idx = IDX_PKG_PERF;
347 		break;
348 	case MSR_DRAM_PERF_STATUS:
349 		idx = IDX_DRAM_PERF;
350 		break;
351 	default:
352 		idx = -1;
353 	}
354 	return idx;
355 }
356 
357 int idx_valid(int idx)
358 {
359 	switch (idx) {
360 	case IDX_PKG_ENERGY:
361 		return do_rapl & RAPL_PKG;
362 	case IDX_DRAM_ENERGY:
363 		return do_rapl & RAPL_DRAM;
364 	case IDX_PP0_ENERGY:
365 		return do_rapl & RAPL_CORES_ENERGY_STATUS;
366 	case IDX_PP1_ENERGY:
367 		return do_rapl & RAPL_GFX;
368 	case IDX_PKG_PERF:
369 		return do_rapl & RAPL_PKG_PERF_STATUS;
370 	case IDX_DRAM_PERF:
371 		return do_rapl & RAPL_DRAM_PERF_STATUS;
372 	default:
373 		return 0;
374 	}
375 }
376 struct sys_counters {
377 	unsigned int added_thread_counters;
378 	unsigned int added_core_counters;
379 	unsigned int added_package_counters;
380 	struct msr_counter *tp;
381 	struct msr_counter *cp;
382 	struct msr_counter *pp;
383 } sys;
384 
385 struct system_summary {
386 	struct thread_data threads;
387 	struct core_data cores;
388 	struct pkg_data packages;
389 } average;
390 
391 struct cpu_topology {
392 	int physical_package_id;
393 	int die_id;
394 	int logical_cpu_id;
395 	int physical_node_id;
396 	int logical_node_id;	/* 0-based count within the package */
397 	int physical_core_id;
398 	int thread_id;
399 	cpu_set_t *put_ids; /* Processing Unit/Thread IDs */
400 } *cpus;
401 
402 struct topo_params {
403 	int num_packages;
404 	int num_die;
405 	int num_cpus;
406 	int num_cores;
407 	int max_cpu_num;
408 	int max_node_num;
409 	int nodes_per_pkg;
410 	int cores_per_node;
411 	int threads_per_core;
412 } topo;
413 
414 struct timeval tv_even, tv_odd, tv_delta;
415 
416 int *irq_column_2_cpu;	/* /proc/interrupts column numbers */
417 int *irqs_per_cpu;		/* indexed by cpu_num */
418 
419 void setup_all_buffers(void);
420 
421 char *sys_lpi_file;
422 char *sys_lpi_file_sysfs = "/sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us";
423 char *sys_lpi_file_debugfs = "/sys/kernel/debug/pmc_core/slp_s0_residency_usec";
424 
425 int cpu_is_not_present(int cpu)
426 {
427 	return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set);
428 }
429 /*
430  * run func(thread, core, package) in topology order
431  * skip non-present cpus
432  */
433 
434 int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *),
435 	struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base)
436 {
437 	int retval, pkg_no, core_no, thread_no, node_no;
438 
439 	for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
440 		for (node_no = 0; node_no < topo.nodes_per_pkg; node_no++) {
441 			for (core_no = 0; core_no < topo.cores_per_node; ++core_no) {
442 				for (thread_no = 0; thread_no <
443 					topo.threads_per_core; ++thread_no) {
444 					struct thread_data *t;
445 					struct core_data *c;
446 					struct pkg_data *p;
447 
448 					t = GET_THREAD(thread_base, thread_no,
449 						       core_no, node_no,
450 						       pkg_no);
451 
452 					if (cpu_is_not_present(t->cpu_id))
453 						continue;
454 
455 					c = GET_CORE(core_base, core_no,
456 						     node_no, pkg_no);
457 					p = GET_PKG(pkg_base, pkg_no);
458 
459 					retval = func(t, c, p);
460 					if (retval)
461 						return retval;
462 				}
463 			}
464 		}
465 	}
466 	return 0;
467 }
468 
469 int cpu_migrate(int cpu)
470 {
471 	CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
472 	CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
473 	if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1)
474 		return -1;
475 	else
476 		return 0;
477 }
478 int get_msr_fd(int cpu)
479 {
480 	char pathname[32];
481 	int fd;
482 
483 	fd = fd_percpu[cpu];
484 
485 	if (fd)
486 		return fd;
487 
488 	sprintf(pathname, "/dev/cpu/%d/msr", cpu);
489 	fd = open(pathname, O_RDONLY);
490 	if (fd < 0)
491 		err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname);
492 
493 	fd_percpu[cpu] = fd;
494 
495 	return fd;
496 }
497 
498 static long perf_event_open(struct perf_event_attr *hw_event, pid_t pid, int cpu, int group_fd, unsigned long flags)
499 {
500 	return syscall(__NR_perf_event_open, hw_event, pid, cpu, group_fd, flags);
501 }
502 
503 static int perf_instr_count_open(int cpu_num)
504 {
505 	struct perf_event_attr pea;
506 	int fd;
507 
508 	memset(&pea, 0, sizeof(struct perf_event_attr));
509 	pea.type = PERF_TYPE_HARDWARE;
510 	pea.size = sizeof(struct perf_event_attr);
511 	pea.config = PERF_COUNT_HW_INSTRUCTIONS;
512 
513 	/* counter for cpu_num, including user + kernel and all processes */
514 	fd = perf_event_open(&pea, -1, cpu_num, -1, 0);
515 	if (fd == -1)
516 		err(-1, "cpu%d: perf instruction counter\n", cpu_num);
517 
518 	return fd;
519 }
520 
521 int get_instr_count_fd(int cpu)
522 {
523 	if (fd_instr_count_percpu[cpu])
524 		return fd_instr_count_percpu[cpu];
525 
526 	fd_instr_count_percpu[cpu] = perf_instr_count_open(cpu);
527 
528 	return fd_instr_count_percpu[cpu];
529 }
530 
531 int get_msr(int cpu, off_t offset, unsigned long long *msr)
532 {
533 	ssize_t retval;
534 
535 	retval = pread(get_msr_fd(cpu), msr, sizeof(*msr), offset);
536 
537 	if (retval != sizeof *msr)
538 		err(-1, "cpu%d: msr offset 0x%llx read failed", cpu, (unsigned long long)offset);
539 
540 	return 0;
541 }
542 
543 /*
544  * This list matches the column headers, except
545  * 1. built-in only, the sysfs counters are not here -- we learn of those at run-time
546  * 2. Core and CPU are moved to the end, we can't have strings that contain them
547  *    matching on them for --show and --hide.
548  */
549 struct msr_counter bic[] = {
550 	{ 0x0, "usec" },
551 	{ 0x0, "Time_Of_Day_Seconds" },
552 	{ 0x0, "Package" },
553 	{ 0x0, "Node" },
554 	{ 0x0, "Avg_MHz" },
555 	{ 0x0, "Busy%" },
556 	{ 0x0, "Bzy_MHz" },
557 	{ 0x0, "TSC_MHz" },
558 	{ 0x0, "IRQ" },
559 	{ 0x0, "SMI", "", 32, 0, FORMAT_DELTA, NULL},
560 	{ 0x0, "sysfs" },
561 	{ 0x0, "CPU%c1" },
562 	{ 0x0, "CPU%c3" },
563 	{ 0x0, "CPU%c6" },
564 	{ 0x0, "CPU%c7" },
565 	{ 0x0, "ThreadC" },
566 	{ 0x0, "CoreTmp" },
567 	{ 0x0, "CoreCnt" },
568 	{ 0x0, "PkgTmp" },
569 	{ 0x0, "GFX%rc6" },
570 	{ 0x0, "GFXMHz" },
571 	{ 0x0, "Pkg%pc2" },
572 	{ 0x0, "Pkg%pc3" },
573 	{ 0x0, "Pkg%pc6" },
574 	{ 0x0, "Pkg%pc7" },
575 	{ 0x0, "Pkg%pc8" },
576 	{ 0x0, "Pkg%pc9" },
577 	{ 0x0, "Pk%pc10" },
578 	{ 0x0, "CPU%LPI" },
579 	{ 0x0, "SYS%LPI" },
580 	{ 0x0, "PkgWatt" },
581 	{ 0x0, "CorWatt" },
582 	{ 0x0, "GFXWatt" },
583 	{ 0x0, "PkgCnt" },
584 	{ 0x0, "RAMWatt" },
585 	{ 0x0, "PKG_%" },
586 	{ 0x0, "RAM_%" },
587 	{ 0x0, "Pkg_J" },
588 	{ 0x0, "Cor_J" },
589 	{ 0x0, "GFX_J" },
590 	{ 0x0, "RAM_J" },
591 	{ 0x0, "Mod%c6" },
592 	{ 0x0, "Totl%C0" },
593 	{ 0x0, "Any%C0" },
594 	{ 0x0, "GFX%C0" },
595 	{ 0x0, "CPUGFX%" },
596 	{ 0x0, "Core" },
597 	{ 0x0, "CPU" },
598 	{ 0x0, "APIC" },
599 	{ 0x0, "X2APIC" },
600 	{ 0x0, "Die" },
601 	{ 0x0, "GFXAMHz" },
602 	{ 0x0, "IPC" },
603 };
604 
605 #define MAX_BIC (sizeof(bic) / sizeof(struct msr_counter))
606 #define	BIC_USEC	(1ULL << 0)
607 #define	BIC_TOD		(1ULL << 1)
608 #define	BIC_Package	(1ULL << 2)
609 #define	BIC_Node	(1ULL << 3)
610 #define	BIC_Avg_MHz	(1ULL << 4)
611 #define	BIC_Busy	(1ULL << 5)
612 #define	BIC_Bzy_MHz	(1ULL << 6)
613 #define	BIC_TSC_MHz	(1ULL << 7)
614 #define	BIC_IRQ		(1ULL << 8)
615 #define	BIC_SMI		(1ULL << 9)
616 #define	BIC_sysfs	(1ULL << 10)
617 #define	BIC_CPU_c1	(1ULL << 11)
618 #define	BIC_CPU_c3	(1ULL << 12)
619 #define	BIC_CPU_c6	(1ULL << 13)
620 #define	BIC_CPU_c7	(1ULL << 14)
621 #define	BIC_ThreadC	(1ULL << 15)
622 #define	BIC_CoreTmp	(1ULL << 16)
623 #define	BIC_CoreCnt	(1ULL << 17)
624 #define	BIC_PkgTmp	(1ULL << 18)
625 #define	BIC_GFX_rc6	(1ULL << 19)
626 #define	BIC_GFXMHz	(1ULL << 20)
627 #define	BIC_Pkgpc2	(1ULL << 21)
628 #define	BIC_Pkgpc3	(1ULL << 22)
629 #define	BIC_Pkgpc6	(1ULL << 23)
630 #define	BIC_Pkgpc7	(1ULL << 24)
631 #define	BIC_Pkgpc8	(1ULL << 25)
632 #define	BIC_Pkgpc9	(1ULL << 26)
633 #define	BIC_Pkgpc10	(1ULL << 27)
634 #define BIC_CPU_LPI	(1ULL << 28)
635 #define BIC_SYS_LPI	(1ULL << 29)
636 #define	BIC_PkgWatt	(1ULL << 30)
637 #define	BIC_CorWatt	(1ULL << 31)
638 #define	BIC_GFXWatt	(1ULL << 32)
639 #define	BIC_PkgCnt	(1ULL << 33)
640 #define	BIC_RAMWatt	(1ULL << 34)
641 #define	BIC_PKG__	(1ULL << 35)
642 #define	BIC_RAM__	(1ULL << 36)
643 #define	BIC_Pkg_J	(1ULL << 37)
644 #define	BIC_Cor_J	(1ULL << 38)
645 #define	BIC_GFX_J	(1ULL << 39)
646 #define	BIC_RAM_J	(1ULL << 40)
647 #define	BIC_Mod_c6	(1ULL << 41)
648 #define	BIC_Totl_c0	(1ULL << 42)
649 #define	BIC_Any_c0	(1ULL << 43)
650 #define	BIC_GFX_c0	(1ULL << 44)
651 #define	BIC_CPUGFX	(1ULL << 45)
652 #define	BIC_Core	(1ULL << 46)
653 #define	BIC_CPU		(1ULL << 47)
654 #define	BIC_APIC	(1ULL << 48)
655 #define	BIC_X2APIC	(1ULL << 49)
656 #define	BIC_Die		(1ULL << 50)
657 #define	BIC_GFXACTMHz	(1ULL << 51)
658 #define	BIC_IPC		(1ULL << 52)
659 
660 #define BIC_DISABLED_BY_DEFAULT	(BIC_USEC | BIC_TOD | BIC_APIC | BIC_X2APIC)
661 
662 unsigned long long bic_enabled = (0xFFFFFFFFFFFFFFFFULL & ~BIC_DISABLED_BY_DEFAULT);
663 unsigned long long bic_present = BIC_USEC | BIC_TOD | BIC_sysfs | BIC_APIC | BIC_X2APIC;
664 
665 #define DO_BIC(COUNTER_NAME) (bic_enabled & bic_present & COUNTER_NAME)
666 #define DO_BIC_READ(COUNTER_NAME) (bic_present & COUNTER_NAME)
667 #define ENABLE_BIC(COUNTER_NAME) (bic_enabled |= COUNTER_NAME)
668 #define BIC_PRESENT(COUNTER_BIT) (bic_present |= COUNTER_BIT)
669 #define BIC_NOT_PRESENT(COUNTER_BIT) (bic_present &= ~COUNTER_BIT)
670 #define BIC_IS_ENABLED(COUNTER_BIT) (bic_enabled & COUNTER_BIT)
671 
672 
673 #define MAX_DEFERRED 16
674 char *deferred_skip_names[MAX_DEFERRED];
675 int deferred_skip_index;
676 
677 /*
678  * HIDE_LIST - hide this list of counters, show the rest [default]
679  * SHOW_LIST - show this list of counters, hide the rest
680  */
681 enum show_hide_mode { SHOW_LIST, HIDE_LIST } global_show_hide_mode = HIDE_LIST;
682 
683 void help(void)
684 {
685 	fprintf(outf,
686 	"Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n"
687 	"\n"
688 	"Turbostat forks the specified COMMAND and prints statistics\n"
689 	"when COMMAND completes.\n"
690 	"If no COMMAND is specified, turbostat wakes every 5-seconds\n"
691 	"to print statistics, until interrupted.\n"
692 	"  -a, --add	add a counter\n"
693 	"		  eg. --add msr0x10,u64,cpu,delta,MY_TSC\n"
694 	"  -c, --cpu	cpu-set	limit output to summary plus cpu-set:\n"
695 	"		  {core | package | j,k,l..m,n-p }\n"
696 	"  -d, --debug	displays usec, Time_Of_Day_Seconds and more debugging\n"
697 	"  -D, --Dump	displays the raw counter values\n"
698 	"  -e, --enable	[all | column]\n"
699 	"		shows all or the specified disabled column\n"
700 	"  -H, --hide [column|column,column,...]\n"
701 	"		hide the specified column(s)\n"
702 	"  -i, --interval sec.subsec\n"
703 	"		Override default 5-second measurement interval\n"
704 	"  -J, --Joules	displays energy in Joules instead of Watts\n"
705 	"  -l, --list	list column headers only\n"
706 	"  -n, --num_iterations num\n"
707 	"		number of the measurement iterations\n"
708 	"  -o, --out file\n"
709 	"		create or truncate \"file\" for all output\n"
710 	"  -q, --quiet	skip decoding system configuration header\n"
711 	"  -s, --show [column|column,column,...]\n"
712 	"		show only the specified column(s)\n"
713 	"  -S, --Summary\n"
714 	"		limits output to 1-line system summary per interval\n"
715 	"  -T, --TCC temperature\n"
716 	"		sets the Thermal Control Circuit temperature in\n"
717 	"		  degrees Celsius\n"
718 	"  -h, --help	print this help message\n"
719 	"  -v, --version	print version information\n"
720 	"\n"
721 	"For more help, run \"man turbostat\"\n");
722 }
723 
724 /*
725  * bic_lookup
726  * for all the strings in comma separate name_list,
727  * set the approprate bit in return value.
728  */
729 unsigned long long bic_lookup(char *name_list, enum show_hide_mode mode)
730 {
731 	int i;
732 	unsigned long long retval = 0;
733 
734 	while (name_list) {
735 		char *comma;
736 
737 		comma = strchr(name_list, ',');
738 
739 		if (comma)
740 			*comma = '\0';
741 
742 		if (!strcmp(name_list, "all"))
743 			return ~0;
744 
745 		for (i = 0; i < MAX_BIC; ++i) {
746 			if (!strcmp(name_list, bic[i].name)) {
747 				retval |= (1ULL << i);
748 				break;
749 			}
750 		}
751 		if (i == MAX_BIC) {
752 			if (mode == SHOW_LIST) {
753 				fprintf(stderr, "Invalid counter name: %s\n", name_list);
754 				exit(-1);
755 			}
756 			deferred_skip_names[deferred_skip_index++] = name_list;
757 			if (debug)
758 				fprintf(stderr, "deferred \"%s\"\n", name_list);
759 			if (deferred_skip_index >= MAX_DEFERRED) {
760 				fprintf(stderr, "More than max %d un-recognized --skip options '%s'\n",
761 					MAX_DEFERRED, name_list);
762 				help();
763 				exit(1);
764 			}
765 		}
766 
767 		name_list = comma;
768 		if (name_list)
769 			name_list++;
770 
771 	}
772 	return retval;
773 }
774 
775 
776 void print_header(char *delim)
777 {
778 	struct msr_counter *mp;
779 	int printed = 0;
780 
781 	if (DO_BIC(BIC_USEC))
782 		outp += sprintf(outp, "%susec", (printed++ ? delim : ""));
783 	if (DO_BIC(BIC_TOD))
784 		outp += sprintf(outp, "%sTime_Of_Day_Seconds", (printed++ ? delim : ""));
785 	if (DO_BIC(BIC_Package))
786 		outp += sprintf(outp, "%sPackage", (printed++ ? delim : ""));
787 	if (DO_BIC(BIC_Die))
788 		outp += sprintf(outp, "%sDie", (printed++ ? delim : ""));
789 	if (DO_BIC(BIC_Node))
790 		outp += sprintf(outp, "%sNode", (printed++ ? delim : ""));
791 	if (DO_BIC(BIC_Core))
792 		outp += sprintf(outp, "%sCore", (printed++ ? delim : ""));
793 	if (DO_BIC(BIC_CPU))
794 		outp += sprintf(outp, "%sCPU", (printed++ ? delim : ""));
795 	if (DO_BIC(BIC_APIC))
796 		outp += sprintf(outp, "%sAPIC", (printed++ ? delim : ""));
797 	if (DO_BIC(BIC_X2APIC))
798 		outp += sprintf(outp, "%sX2APIC", (printed++ ? delim : ""));
799 	if (DO_BIC(BIC_Avg_MHz))
800 		outp += sprintf(outp, "%sAvg_MHz", (printed++ ? delim : ""));
801 	if (DO_BIC(BIC_Busy))
802 		outp += sprintf(outp, "%sBusy%%", (printed++ ? delim : ""));
803 	if (DO_BIC(BIC_Bzy_MHz))
804 		outp += sprintf(outp, "%sBzy_MHz", (printed++ ? delim : ""));
805 	if (DO_BIC(BIC_TSC_MHz))
806 		outp += sprintf(outp, "%sTSC_MHz", (printed++ ? delim : ""));
807 
808 	if (DO_BIC(BIC_IPC))
809 		outp += sprintf(outp, "%sIPC", (printed++ ? delim : ""));
810 
811 	if (DO_BIC(BIC_IRQ)) {
812 		if (sums_need_wide_columns)
813 			outp += sprintf(outp, "%s     IRQ", (printed++ ? delim : ""));
814 		else
815 			outp += sprintf(outp, "%sIRQ", (printed++ ? delim : ""));
816 	}
817 
818 	if (DO_BIC(BIC_SMI))
819 		outp += sprintf(outp, "%sSMI", (printed++ ? delim : ""));
820 
821 	for (mp = sys.tp; mp; mp = mp->next) {
822 
823 		if (mp->format == FORMAT_RAW) {
824 			if (mp->width == 64)
825 				outp += sprintf(outp, "%s%18.18s", (printed++ ? delim : ""), mp->name);
826 			else
827 				outp += sprintf(outp, "%s%10.10s", (printed++ ? delim : ""), mp->name);
828 		} else {
829 			if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
830 				outp += sprintf(outp, "%s%8s", (printed++ ? delim : ""), mp->name);
831 			else
832 				outp += sprintf(outp, "%s%s", (printed++ ? delim : ""), mp->name);
833 		}
834 	}
835 
836 	if (DO_BIC(BIC_CPU_c1))
837 		outp += sprintf(outp, "%sCPU%%c1", (printed++ ? delim : ""));
838 	if (DO_BIC(BIC_CPU_c3))
839 		outp += sprintf(outp, "%sCPU%%c3", (printed++ ? delim : ""));
840 	if (DO_BIC(BIC_CPU_c6))
841 		outp += sprintf(outp, "%sCPU%%c6", (printed++ ? delim : ""));
842 	if (DO_BIC(BIC_CPU_c7))
843 		outp += sprintf(outp, "%sCPU%%c7", (printed++ ? delim : ""));
844 
845 	if (DO_BIC(BIC_Mod_c6))
846 		outp += sprintf(outp, "%sMod%%c6", (printed++ ? delim : ""));
847 
848 	if (DO_BIC(BIC_CoreTmp))
849 		outp += sprintf(outp, "%sCoreTmp", (printed++ ? delim : ""));
850 
851 	if (do_rapl && !rapl_joules) {
852 		if (DO_BIC(BIC_CorWatt) && (do_rapl & RAPL_PER_CORE_ENERGY))
853 			outp += sprintf(outp, "%sCorWatt", (printed++ ? delim : ""));
854 	} else if (do_rapl && rapl_joules) {
855 		if (DO_BIC(BIC_Cor_J) && (do_rapl & RAPL_PER_CORE_ENERGY))
856 			outp += sprintf(outp, "%sCor_J", (printed++ ? delim : ""));
857 	}
858 
859 	for (mp = sys.cp; mp; mp = mp->next) {
860 		if (mp->format == FORMAT_RAW) {
861 			if (mp->width == 64)
862 				outp += sprintf(outp, "%s%18.18s", delim, mp->name);
863 			else
864 				outp += sprintf(outp, "%s%10.10s", delim, mp->name);
865 		} else {
866 			if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
867 				outp += sprintf(outp, "%s%8s", delim, mp->name);
868 			else
869 				outp += sprintf(outp, "%s%s", delim, mp->name);
870 		}
871 	}
872 
873 	if (DO_BIC(BIC_PkgTmp))
874 		outp += sprintf(outp, "%sPkgTmp", (printed++ ? delim : ""));
875 
876 	if (DO_BIC(BIC_GFX_rc6))
877 		outp += sprintf(outp, "%sGFX%%rc6", (printed++ ? delim : ""));
878 
879 	if (DO_BIC(BIC_GFXMHz))
880 		outp += sprintf(outp, "%sGFXMHz", (printed++ ? delim : ""));
881 
882 	if (DO_BIC(BIC_GFXACTMHz))
883 		outp += sprintf(outp, "%sGFXAMHz", (printed++ ? delim : ""));
884 
885 	if (DO_BIC(BIC_Totl_c0))
886 		outp += sprintf(outp, "%sTotl%%C0", (printed++ ? delim : ""));
887 	if (DO_BIC(BIC_Any_c0))
888 		outp += sprintf(outp, "%sAny%%C0", (printed++ ? delim : ""));
889 	if (DO_BIC(BIC_GFX_c0))
890 		outp += sprintf(outp, "%sGFX%%C0", (printed++ ? delim : ""));
891 	if (DO_BIC(BIC_CPUGFX))
892 		outp += sprintf(outp, "%sCPUGFX%%", (printed++ ? delim : ""));
893 
894 	if (DO_BIC(BIC_Pkgpc2))
895 		outp += sprintf(outp, "%sPkg%%pc2", (printed++ ? delim : ""));
896 	if (DO_BIC(BIC_Pkgpc3))
897 		outp += sprintf(outp, "%sPkg%%pc3", (printed++ ? delim : ""));
898 	if (DO_BIC(BIC_Pkgpc6))
899 		outp += sprintf(outp, "%sPkg%%pc6", (printed++ ? delim : ""));
900 	if (DO_BIC(BIC_Pkgpc7))
901 		outp += sprintf(outp, "%sPkg%%pc7", (printed++ ? delim : ""));
902 	if (DO_BIC(BIC_Pkgpc8))
903 		outp += sprintf(outp, "%sPkg%%pc8", (printed++ ? delim : ""));
904 	if (DO_BIC(BIC_Pkgpc9))
905 		outp += sprintf(outp, "%sPkg%%pc9", (printed++ ? delim : ""));
906 	if (DO_BIC(BIC_Pkgpc10))
907 		outp += sprintf(outp, "%sPk%%pc10", (printed++ ? delim : ""));
908 	if (DO_BIC(BIC_CPU_LPI))
909 		outp += sprintf(outp, "%sCPU%%LPI", (printed++ ? delim : ""));
910 	if (DO_BIC(BIC_SYS_LPI))
911 		outp += sprintf(outp, "%sSYS%%LPI", (printed++ ? delim : ""));
912 
913 	if (do_rapl && !rapl_joules) {
914 		if (DO_BIC(BIC_PkgWatt))
915 			outp += sprintf(outp, "%sPkgWatt", (printed++ ? delim : ""));
916 		if (DO_BIC(BIC_CorWatt) && !(do_rapl & RAPL_PER_CORE_ENERGY))
917 			outp += sprintf(outp, "%sCorWatt", (printed++ ? delim : ""));
918 		if (DO_BIC(BIC_GFXWatt))
919 			outp += sprintf(outp, "%sGFXWatt", (printed++ ? delim : ""));
920 		if (DO_BIC(BIC_RAMWatt))
921 			outp += sprintf(outp, "%sRAMWatt", (printed++ ? delim : ""));
922 		if (DO_BIC(BIC_PKG__))
923 			outp += sprintf(outp, "%sPKG_%%", (printed++ ? delim : ""));
924 		if (DO_BIC(BIC_RAM__))
925 			outp += sprintf(outp, "%sRAM_%%", (printed++ ? delim : ""));
926 	} else if (do_rapl && rapl_joules) {
927 		if (DO_BIC(BIC_Pkg_J))
928 			outp += sprintf(outp, "%sPkg_J", (printed++ ? delim : ""));
929 		if (DO_BIC(BIC_Cor_J) && !(do_rapl & RAPL_PER_CORE_ENERGY))
930 			outp += sprintf(outp, "%sCor_J", (printed++ ? delim : ""));
931 		if (DO_BIC(BIC_GFX_J))
932 			outp += sprintf(outp, "%sGFX_J", (printed++ ? delim : ""));
933 		if (DO_BIC(BIC_RAM_J))
934 			outp += sprintf(outp, "%sRAM_J", (printed++ ? delim : ""));
935 		if (DO_BIC(BIC_PKG__))
936 			outp += sprintf(outp, "%sPKG_%%", (printed++ ? delim : ""));
937 		if (DO_BIC(BIC_RAM__))
938 			outp += sprintf(outp, "%sRAM_%%", (printed++ ? delim : ""));
939 	}
940 	for (mp = sys.pp; mp; mp = mp->next) {
941 		if (mp->format == FORMAT_RAW) {
942 			if (mp->width == 64)
943 				outp += sprintf(outp, "%s%18.18s", delim, mp->name);
944 			else
945 				outp += sprintf(outp, "%s%10.10s", delim, mp->name);
946 		} else {
947 			if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
948 				outp += sprintf(outp, "%s%8s", delim, mp->name);
949 			else
950 				outp += sprintf(outp, "%s%s", delim, mp->name);
951 		}
952 	}
953 
954 	outp += sprintf(outp, "\n");
955 }
956 
957 int dump_counters(struct thread_data *t, struct core_data *c,
958 	struct pkg_data *p)
959 {
960 	int i;
961 	struct msr_counter *mp;
962 
963 	outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p);
964 
965 	if (t) {
966 		outp += sprintf(outp, "CPU: %d flags 0x%x\n",
967 			t->cpu_id, t->flags);
968 		outp += sprintf(outp, "TSC: %016llX\n", t->tsc);
969 		outp += sprintf(outp, "aperf: %016llX\n", t->aperf);
970 		outp += sprintf(outp, "mperf: %016llX\n", t->mperf);
971 		outp += sprintf(outp, "c1: %016llX\n", t->c1);
972 
973 		if (DO_BIC(BIC_IPC))
974 			outp += sprintf(outp, "IPC: %lld\n", t->instr_count);
975 
976 		if (DO_BIC(BIC_IRQ))
977 			outp += sprintf(outp, "IRQ: %lld\n", t->irq_count);
978 		if (DO_BIC(BIC_SMI))
979 			outp += sprintf(outp, "SMI: %d\n", t->smi_count);
980 
981 		for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
982 			outp += sprintf(outp, "tADDED [%d] msr0x%x: %08llX\n",
983 				i, mp->msr_num, t->counter[i]);
984 		}
985 	}
986 
987 	if (c) {
988 		outp += sprintf(outp, "core: %d\n", c->core_id);
989 		outp += sprintf(outp, "c3: %016llX\n", c->c3);
990 		outp += sprintf(outp, "c6: %016llX\n", c->c6);
991 		outp += sprintf(outp, "c7: %016llX\n", c->c7);
992 		outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c);
993 		outp += sprintf(outp, "Joules: %0X\n", c->core_energy);
994 
995 		for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
996 			outp += sprintf(outp, "cADDED [%d] msr0x%x: %08llX\n",
997 				i, mp->msr_num, c->counter[i]);
998 		}
999 		outp += sprintf(outp, "mc6_us: %016llX\n", c->mc6_us);
1000 	}
1001 
1002 	if (p) {
1003 		outp += sprintf(outp, "package: %d\n", p->package_id);
1004 
1005 		outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0);
1006 		outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0);
1007 		outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0);
1008 		outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0);
1009 
1010 		outp += sprintf(outp, "pc2: %016llX\n", p->pc2);
1011 		if (DO_BIC(BIC_Pkgpc3))
1012 			outp += sprintf(outp, "pc3: %016llX\n", p->pc3);
1013 		if (DO_BIC(BIC_Pkgpc6))
1014 			outp += sprintf(outp, "pc6: %016llX\n", p->pc6);
1015 		if (DO_BIC(BIC_Pkgpc7))
1016 			outp += sprintf(outp, "pc7: %016llX\n", p->pc7);
1017 		outp += sprintf(outp, "pc8: %016llX\n", p->pc8);
1018 		outp += sprintf(outp, "pc9: %016llX\n", p->pc9);
1019 		outp += sprintf(outp, "pc10: %016llX\n", p->pc10);
1020 		outp += sprintf(outp, "cpu_lpi: %016llX\n", p->cpu_lpi);
1021 		outp += sprintf(outp, "sys_lpi: %016llX\n", p->sys_lpi);
1022 		outp += sprintf(outp, "Joules PKG: %0llX\n", p->energy_pkg);
1023 		outp += sprintf(outp, "Joules COR: %0llX\n", p->energy_cores);
1024 		outp += sprintf(outp, "Joules GFX: %0llX\n", p->energy_gfx);
1025 		outp += sprintf(outp, "Joules RAM: %0llX\n", p->energy_dram);
1026 		outp += sprintf(outp, "Throttle PKG: %0llX\n",
1027 			p->rapl_pkg_perf_status);
1028 		outp += sprintf(outp, "Throttle RAM: %0llX\n",
1029 			p->rapl_dram_perf_status);
1030 		outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c);
1031 
1032 		for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
1033 			outp += sprintf(outp, "pADDED [%d] msr0x%x: %08llX\n",
1034 				i, mp->msr_num, p->counter[i]);
1035 		}
1036 	}
1037 
1038 	outp += sprintf(outp, "\n");
1039 
1040 	return 0;
1041 }
1042 
1043 /*
1044  * column formatting convention & formats
1045  */
1046 int format_counters(struct thread_data *t, struct core_data *c,
1047 	struct pkg_data *p)
1048 {
1049 	double interval_float, tsc;
1050 	char *fmt8;
1051 	int i;
1052 	struct msr_counter *mp;
1053 	char *delim = "\t";
1054 	int printed = 0;
1055 
1056 	 /* if showing only 1st thread in core and this isn't one, bail out */
1057 	if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
1058 		return 0;
1059 
1060 	 /* if showing only 1st thread in pkg and this isn't one, bail out */
1061 	if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1062 		return 0;
1063 
1064 	/*if not summary line and --cpu is used */
1065 	if ((t != &average.threads) &&
1066 		(cpu_subset && !CPU_ISSET_S(t->cpu_id, cpu_subset_size, cpu_subset)))
1067 		return 0;
1068 
1069 	if (DO_BIC(BIC_USEC)) {
1070 		/* on each row, print how many usec each timestamp took to gather */
1071 		struct timeval tv;
1072 
1073 		timersub(&t->tv_end, &t->tv_begin, &tv);
1074 		outp += sprintf(outp, "%5ld\t", tv.tv_sec * 1000000 + tv.tv_usec);
1075 	}
1076 
1077 	/* Time_Of_Day_Seconds: on each row, print sec.usec last timestamp taken */
1078 	if (DO_BIC(BIC_TOD))
1079 		outp += sprintf(outp, "%10ld.%06ld\t", t->tv_end.tv_sec, t->tv_end.tv_usec);
1080 
1081 	interval_float = t->tv_delta.tv_sec + t->tv_delta.tv_usec/1000000.0;
1082 
1083 	tsc = t->tsc * tsc_tweak;
1084 
1085 	/* topo columns, print blanks on 1st (average) line */
1086 	if (t == &average.threads) {
1087 		if (DO_BIC(BIC_Package))
1088 			outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1089 		if (DO_BIC(BIC_Die))
1090 			outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1091 		if (DO_BIC(BIC_Node))
1092 			outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1093 		if (DO_BIC(BIC_Core))
1094 			outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1095 		if (DO_BIC(BIC_CPU))
1096 			outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1097 		if (DO_BIC(BIC_APIC))
1098 			outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1099 		if (DO_BIC(BIC_X2APIC))
1100 			outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1101 	} else {
1102 		if (DO_BIC(BIC_Package)) {
1103 			if (p)
1104 				outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->package_id);
1105 			else
1106 				outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1107 		}
1108 		if (DO_BIC(BIC_Die)) {
1109 			if (c)
1110 				outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), cpus[t->cpu_id].die_id);
1111 			else
1112 				outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1113 		}
1114 		if (DO_BIC(BIC_Node)) {
1115 			if (t)
1116 				outp += sprintf(outp, "%s%d",
1117 						(printed++ ? delim : ""),
1118 					      cpus[t->cpu_id].physical_node_id);
1119 			else
1120 				outp += sprintf(outp, "%s-",
1121 						(printed++ ? delim : ""));
1122 		}
1123 		if (DO_BIC(BIC_Core)) {
1124 			if (c)
1125 				outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), c->core_id);
1126 			else
1127 				outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1128 		}
1129 		if (DO_BIC(BIC_CPU))
1130 			outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->cpu_id);
1131 		if (DO_BIC(BIC_APIC))
1132 			outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->apic_id);
1133 		if (DO_BIC(BIC_X2APIC))
1134 			outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->x2apic_id);
1135 	}
1136 
1137 	if (DO_BIC(BIC_Avg_MHz))
1138 		outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""),
1139 			1.0 / units * t->aperf / interval_float);
1140 
1141 	if (DO_BIC(BIC_Busy))
1142 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->mperf/tsc);
1143 
1144 	if (DO_BIC(BIC_Bzy_MHz)) {
1145 		if (has_base_hz)
1146 			outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""), base_hz / units * t->aperf / t->mperf);
1147 		else
1148 			outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""),
1149 				tsc / units * t->aperf / t->mperf / interval_float);
1150 	}
1151 
1152 	if (DO_BIC(BIC_TSC_MHz))
1153 		outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""), 1.0 * t->tsc/units/interval_float);
1154 
1155 	if (DO_BIC(BIC_IPC))
1156 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 1.0 * t->instr_count / t->aperf);
1157 
1158 	/* IRQ */
1159 	if (DO_BIC(BIC_IRQ)) {
1160 		if (sums_need_wide_columns)
1161 			outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), t->irq_count);
1162 		else
1163 			outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), t->irq_count);
1164 	}
1165 
1166 	/* SMI */
1167 	if (DO_BIC(BIC_SMI))
1168 		outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->smi_count);
1169 
1170 	/* Added counters */
1171 	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
1172 		if (mp->format == FORMAT_RAW) {
1173 			if (mp->width == 32)
1174 				outp += sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int) t->counter[i]);
1175 			else
1176 				outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), t->counter[i]);
1177 		} else if (mp->format == FORMAT_DELTA) {
1178 			if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
1179 				outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), t->counter[i]);
1180 			else
1181 				outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), t->counter[i]);
1182 		} else if (mp->format == FORMAT_PERCENT) {
1183 			if (mp->type == COUNTER_USEC)
1184 				outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), t->counter[i]/interval_float/10000);
1185 			else
1186 				outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->counter[i]/tsc);
1187 		}
1188 	}
1189 
1190 	/* C1 */
1191 	if (DO_BIC(BIC_CPU_c1))
1192 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->c1/tsc);
1193 
1194 
1195 	/* print per-core data only for 1st thread in core */
1196 	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
1197 		goto done;
1198 
1199 	if (DO_BIC(BIC_CPU_c3))
1200 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c3/tsc);
1201 	if (DO_BIC(BIC_CPU_c6))
1202 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c6/tsc);
1203 	if (DO_BIC(BIC_CPU_c7))
1204 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c7/tsc);
1205 
1206 	/* Mod%c6 */
1207 	if (DO_BIC(BIC_Mod_c6))
1208 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->mc6_us / tsc);
1209 
1210 	if (DO_BIC(BIC_CoreTmp))
1211 		outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), c->core_temp_c);
1212 
1213 	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
1214 		if (mp->format == FORMAT_RAW) {
1215 			if (mp->width == 32)
1216 				outp += sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int) c->counter[i]);
1217 			else
1218 				outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), c->counter[i]);
1219 		} else if (mp->format == FORMAT_DELTA) {
1220 			if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
1221 				outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), c->counter[i]);
1222 			else
1223 				outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), c->counter[i]);
1224 		} else if (mp->format == FORMAT_PERCENT) {
1225 			outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->counter[i]/tsc);
1226 		}
1227 	}
1228 
1229 	fmt8 = "%s%.2f";
1230 
1231 	if (DO_BIC(BIC_CorWatt) && (do_rapl & RAPL_PER_CORE_ENERGY))
1232 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), c->core_energy * rapl_energy_units / interval_float);
1233 	if (DO_BIC(BIC_Cor_J) && (do_rapl & RAPL_PER_CORE_ENERGY))
1234 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), c->core_energy * rapl_energy_units);
1235 
1236 	/* print per-package data only for 1st core in package */
1237 	if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1238 		goto done;
1239 
1240 	/* PkgTmp */
1241 	if (DO_BIC(BIC_PkgTmp))
1242 		outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->pkg_temp_c);
1243 
1244 	/* GFXrc6 */
1245 	if (DO_BIC(BIC_GFX_rc6)) {
1246 		if (p->gfx_rc6_ms == -1) {	/* detect GFX counter reset */
1247 			outp += sprintf(outp, "%s**.**", (printed++ ? delim : ""));
1248 		} else {
1249 			outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""),
1250 				p->gfx_rc6_ms / 10.0 / interval_float);
1251 		}
1252 	}
1253 
1254 	/* GFXMHz */
1255 	if (DO_BIC(BIC_GFXMHz))
1256 		outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->gfx_mhz);
1257 
1258 	/* GFXACTMHz */
1259 	if (DO_BIC(BIC_GFXACTMHz))
1260 		outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->gfx_act_mhz);
1261 
1262 	/* Totl%C0, Any%C0 GFX%C0 CPUGFX% */
1263 	if (DO_BIC(BIC_Totl_c0))
1264 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_wtd_core_c0/tsc);
1265 	if (DO_BIC(BIC_Any_c0))
1266 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_any_core_c0/tsc);
1267 	if (DO_BIC(BIC_GFX_c0))
1268 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_any_gfxe_c0/tsc);
1269 	if (DO_BIC(BIC_CPUGFX))
1270 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_both_core_gfxe_c0/tsc);
1271 
1272 	if (DO_BIC(BIC_Pkgpc2))
1273 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc2/tsc);
1274 	if (DO_BIC(BIC_Pkgpc3))
1275 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc3/tsc);
1276 	if (DO_BIC(BIC_Pkgpc6))
1277 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc6/tsc);
1278 	if (DO_BIC(BIC_Pkgpc7))
1279 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc7/tsc);
1280 	if (DO_BIC(BIC_Pkgpc8))
1281 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc8/tsc);
1282 	if (DO_BIC(BIC_Pkgpc9))
1283 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc9/tsc);
1284 	if (DO_BIC(BIC_Pkgpc10))
1285 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc10/tsc);
1286 
1287 	if (DO_BIC(BIC_CPU_LPI))
1288 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->cpu_lpi / 1000000.0 / interval_float);
1289 	if (DO_BIC(BIC_SYS_LPI))
1290 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->sys_lpi / 1000000.0 / interval_float);
1291 
1292 	if (DO_BIC(BIC_PkgWatt))
1293 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units / interval_float);
1294 	if (DO_BIC(BIC_CorWatt) && !(do_rapl & RAPL_PER_CORE_ENERGY))
1295 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units / interval_float);
1296 	if (DO_BIC(BIC_GFXWatt))
1297 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units / interval_float);
1298 	if (DO_BIC(BIC_RAMWatt))
1299 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_dram * rapl_dram_energy_units / interval_float);
1300 	if (DO_BIC(BIC_Pkg_J))
1301 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units);
1302 	if (DO_BIC(BIC_Cor_J) && !(do_rapl & RAPL_PER_CORE_ENERGY))
1303 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units);
1304 	if (DO_BIC(BIC_GFX_J))
1305 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units);
1306 	if (DO_BIC(BIC_RAM_J))
1307 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_dram * rapl_dram_energy_units);
1308 	if (DO_BIC(BIC_PKG__))
1309 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
1310 	if (DO_BIC(BIC_RAM__))
1311 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
1312 
1313 	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
1314 		if (mp->format == FORMAT_RAW) {
1315 			if (mp->width == 32)
1316 				outp += sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int) p->counter[i]);
1317 			else
1318 				outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), p->counter[i]);
1319 		} else if (mp->format == FORMAT_DELTA) {
1320 			if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
1321 				outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), p->counter[i]);
1322 			else
1323 				outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), p->counter[i]);
1324 		} else if (mp->format == FORMAT_PERCENT) {
1325 			outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->counter[i]/tsc);
1326 		}
1327 	}
1328 
1329 done:
1330 	if (*(outp - 1) != '\n')
1331 		outp += sprintf(outp, "\n");
1332 
1333 	return 0;
1334 }
1335 
1336 void flush_output_stdout(void)
1337 {
1338 	FILE *filep;
1339 
1340 	if (outf == stderr)
1341 		filep = stdout;
1342 	else
1343 		filep = outf;
1344 
1345 	fputs(output_buffer, filep);
1346 	fflush(filep);
1347 
1348 	outp = output_buffer;
1349 }
1350 void flush_output_stderr(void)
1351 {
1352 	fputs(output_buffer, outf);
1353 	fflush(outf);
1354 	outp = output_buffer;
1355 }
1356 void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1357 {
1358 	static int printed;
1359 
1360 	if (!printed || !summary_only)
1361 		print_header("\t");
1362 
1363 	format_counters(&average.threads, &average.cores, &average.packages);
1364 
1365 	printed = 1;
1366 
1367 	if (summary_only)
1368 		return;
1369 
1370 	for_all_cpus(format_counters, t, c, p);
1371 }
1372 
1373 #define DELTA_WRAP32(new, old)			\
1374 	old = ((((unsigned long long)new << 32) - ((unsigned long long)old << 32)) >> 32);
1375 
1376 int
1377 delta_package(struct pkg_data *new, struct pkg_data *old)
1378 {
1379 	int i;
1380 	struct msr_counter *mp;
1381 
1382 
1383 	if (DO_BIC(BIC_Totl_c0))
1384 		old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0;
1385 	if (DO_BIC(BIC_Any_c0))
1386 		old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0;
1387 	if (DO_BIC(BIC_GFX_c0))
1388 		old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0;
1389 	if (DO_BIC(BIC_CPUGFX))
1390 		old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0;
1391 
1392 	old->pc2 = new->pc2 - old->pc2;
1393 	if (DO_BIC(BIC_Pkgpc3))
1394 		old->pc3 = new->pc3 - old->pc3;
1395 	if (DO_BIC(BIC_Pkgpc6))
1396 		old->pc6 = new->pc6 - old->pc6;
1397 	if (DO_BIC(BIC_Pkgpc7))
1398 		old->pc7 = new->pc7 - old->pc7;
1399 	old->pc8 = new->pc8 - old->pc8;
1400 	old->pc9 = new->pc9 - old->pc9;
1401 	old->pc10 = new->pc10 - old->pc10;
1402 	old->cpu_lpi = new->cpu_lpi - old->cpu_lpi;
1403 	old->sys_lpi = new->sys_lpi - old->sys_lpi;
1404 	old->pkg_temp_c = new->pkg_temp_c;
1405 
1406 	/* flag an error when rc6 counter resets/wraps */
1407 	if (old->gfx_rc6_ms >  new->gfx_rc6_ms)
1408 		old->gfx_rc6_ms = -1;
1409 	else
1410 		old->gfx_rc6_ms = new->gfx_rc6_ms - old->gfx_rc6_ms;
1411 
1412 	old->gfx_mhz = new->gfx_mhz;
1413 	old->gfx_act_mhz = new->gfx_act_mhz;
1414 
1415 	old->energy_pkg = new->energy_pkg - old->energy_pkg;
1416 	old->energy_cores = new->energy_cores - old->energy_cores;
1417 	old->energy_gfx = new->energy_gfx - old->energy_gfx;
1418 	old->energy_dram = new->energy_dram - old->energy_dram;
1419 	old->rapl_pkg_perf_status = new->rapl_pkg_perf_status - old->rapl_pkg_perf_status;
1420 	old->rapl_dram_perf_status = new->rapl_dram_perf_status - old->rapl_dram_perf_status;
1421 
1422 	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
1423 		if (mp->format == FORMAT_RAW)
1424 			old->counter[i] = new->counter[i];
1425 		else
1426 			old->counter[i] = new->counter[i] - old->counter[i];
1427 	}
1428 
1429 	return 0;
1430 }
1431 
1432 void
1433 delta_core(struct core_data *new, struct core_data *old)
1434 {
1435 	int i;
1436 	struct msr_counter *mp;
1437 
1438 	old->c3 = new->c3 - old->c3;
1439 	old->c6 = new->c6 - old->c6;
1440 	old->c7 = new->c7 - old->c7;
1441 	old->core_temp_c = new->core_temp_c;
1442 	old->mc6_us = new->mc6_us - old->mc6_us;
1443 
1444 	DELTA_WRAP32(new->core_energy, old->core_energy);
1445 
1446 	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
1447 		if (mp->format == FORMAT_RAW)
1448 			old->counter[i] = new->counter[i];
1449 		else
1450 			old->counter[i] = new->counter[i] - old->counter[i];
1451 	}
1452 }
1453 
1454 int soft_c1_residency_display(int bic)
1455 {
1456 	if (!DO_BIC(BIC_CPU_c1) || use_c1_residency_msr)
1457 		return 0;
1458 
1459 	return DO_BIC_READ(bic);
1460 }
1461 
1462 /*
1463  * old = new - old
1464  */
1465 int
1466 delta_thread(struct thread_data *new, struct thread_data *old,
1467 	struct core_data *core_delta)
1468 {
1469 	int i;
1470 	struct msr_counter *mp;
1471 
1472 	/* we run cpuid just the 1st time, copy the results */
1473 	if (DO_BIC(BIC_APIC))
1474 		new->apic_id = old->apic_id;
1475 	if (DO_BIC(BIC_X2APIC))
1476 		new->x2apic_id = old->x2apic_id;
1477 
1478 	/*
1479 	 * the timestamps from start of measurement interval are in "old"
1480 	 * the timestamp from end of measurement interval are in "new"
1481 	 * over-write old w/ new so we can print end of interval values
1482 	 */
1483 
1484 	timersub(&new->tv_begin, &old->tv_begin, &old->tv_delta);
1485 	old->tv_begin = new->tv_begin;
1486 	old->tv_end = new->tv_end;
1487 
1488 	old->tsc = new->tsc - old->tsc;
1489 
1490 	/* check for TSC < 1 Mcycles over interval */
1491 	if (old->tsc < (1000 * 1000))
1492 		errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n"
1493 		     "You can disable all c-states by booting with \"idle=poll\"\n"
1494 		     "or just the deep ones with \"processor.max_cstate=1\"");
1495 
1496 	old->c1 = new->c1 - old->c1;
1497 
1498 	if (DO_BIC(BIC_Avg_MHz) || DO_BIC(BIC_Busy) || DO_BIC(BIC_Bzy_MHz) ||
1499 	    soft_c1_residency_display(BIC_Avg_MHz)) {
1500 		if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) {
1501 			old->aperf = new->aperf - old->aperf;
1502 			old->mperf = new->mperf - old->mperf;
1503 		} else {
1504 			return -1;
1505 		}
1506 	}
1507 
1508 
1509 	if (use_c1_residency_msr) {
1510 		/*
1511 		 * Some models have a dedicated C1 residency MSR,
1512 		 * which should be more accurate than the derivation below.
1513 		 */
1514 	} else {
1515 		/*
1516 		 * As counter collection is not atomic,
1517 		 * it is possible for mperf's non-halted cycles + idle states
1518 		 * to exceed TSC's all cycles: show c1 = 0% in that case.
1519 		 */
1520 		if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > (old->tsc * tsc_tweak))
1521 			old->c1 = 0;
1522 		else {
1523 			/* normal case, derive c1 */
1524 			old->c1 = (old->tsc * tsc_tweak) - old->mperf - core_delta->c3
1525 				- core_delta->c6 - core_delta->c7;
1526 		}
1527 	}
1528 
1529 	if (old->mperf == 0) {
1530 		if (debug > 1)
1531 			fprintf(outf, "cpu%d MPERF 0!\n", old->cpu_id);
1532 		old->mperf = 1;	/* divide by 0 protection */
1533 	}
1534 
1535 	if (DO_BIC(BIC_IPC))
1536 		old->instr_count = new->instr_count - old->instr_count;
1537 
1538 	if (DO_BIC(BIC_IRQ))
1539 		old->irq_count = new->irq_count - old->irq_count;
1540 
1541 	if (DO_BIC(BIC_SMI))
1542 		old->smi_count = new->smi_count - old->smi_count;
1543 
1544 	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
1545 		if (mp->format == FORMAT_RAW)
1546 			old->counter[i] = new->counter[i];
1547 		else
1548 			old->counter[i] = new->counter[i] - old->counter[i];
1549 	}
1550 	return 0;
1551 }
1552 
1553 int delta_cpu(struct thread_data *t, struct core_data *c,
1554 	struct pkg_data *p, struct thread_data *t2,
1555 	struct core_data *c2, struct pkg_data *p2)
1556 {
1557 	int retval = 0;
1558 
1559 	/* calculate core delta only for 1st thread in core */
1560 	if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE)
1561 		delta_core(c, c2);
1562 
1563 	/* always calculate thread delta */
1564 	retval = delta_thread(t, t2, c2);	/* c2 is core delta */
1565 	if (retval)
1566 		return retval;
1567 
1568 	/* calculate package delta only for 1st core in package */
1569 	if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)
1570 		retval = delta_package(p, p2);
1571 
1572 	return retval;
1573 }
1574 
1575 void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1576 {
1577 	int i;
1578 	struct msr_counter  *mp;
1579 
1580 	t->tv_begin.tv_sec = 0;
1581 	t->tv_begin.tv_usec = 0;
1582 	t->tv_end.tv_sec = 0;
1583 	t->tv_end.tv_usec = 0;
1584 	t->tv_delta.tv_sec = 0;
1585 	t->tv_delta.tv_usec = 0;
1586 
1587 	t->tsc = 0;
1588 	t->aperf = 0;
1589 	t->mperf = 0;
1590 	t->c1 = 0;
1591 
1592 	t->instr_count = 0;
1593 
1594 	t->irq_count = 0;
1595 	t->smi_count = 0;
1596 
1597 	/* tells format_counters to dump all fields from this set */
1598 	t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE;
1599 
1600 	c->c3 = 0;
1601 	c->c6 = 0;
1602 	c->c7 = 0;
1603 	c->mc6_us = 0;
1604 	c->core_temp_c = 0;
1605 	c->core_energy = 0;
1606 
1607 	p->pkg_wtd_core_c0 = 0;
1608 	p->pkg_any_core_c0 = 0;
1609 	p->pkg_any_gfxe_c0 = 0;
1610 	p->pkg_both_core_gfxe_c0 = 0;
1611 
1612 	p->pc2 = 0;
1613 	if (DO_BIC(BIC_Pkgpc3))
1614 		p->pc3 = 0;
1615 	if (DO_BIC(BIC_Pkgpc6))
1616 		p->pc6 = 0;
1617 	if (DO_BIC(BIC_Pkgpc7))
1618 		p->pc7 = 0;
1619 	p->pc8 = 0;
1620 	p->pc9 = 0;
1621 	p->pc10 = 0;
1622 	p->cpu_lpi = 0;
1623 	p->sys_lpi = 0;
1624 
1625 	p->energy_pkg = 0;
1626 	p->energy_dram = 0;
1627 	p->energy_cores = 0;
1628 	p->energy_gfx = 0;
1629 	p->rapl_pkg_perf_status = 0;
1630 	p->rapl_dram_perf_status = 0;
1631 	p->pkg_temp_c = 0;
1632 
1633 	p->gfx_rc6_ms = 0;
1634 	p->gfx_mhz = 0;
1635 	p->gfx_act_mhz = 0;
1636 	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next)
1637 		t->counter[i] = 0;
1638 
1639 	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next)
1640 		c->counter[i] = 0;
1641 
1642 	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next)
1643 		p->counter[i] = 0;
1644 }
1645 int sum_counters(struct thread_data *t, struct core_data *c,
1646 	struct pkg_data *p)
1647 {
1648 	int i;
1649 	struct msr_counter *mp;
1650 
1651 	/* copy un-changing apic_id's */
1652 	if (DO_BIC(BIC_APIC))
1653 		average.threads.apic_id = t->apic_id;
1654 	if (DO_BIC(BIC_X2APIC))
1655 		average.threads.x2apic_id = t->x2apic_id;
1656 
1657 	/* remember first tv_begin */
1658 	if (average.threads.tv_begin.tv_sec == 0)
1659 		average.threads.tv_begin = t->tv_begin;
1660 
1661 	/* remember last tv_end */
1662 	average.threads.tv_end = t->tv_end;
1663 
1664 	average.threads.tsc += t->tsc;
1665 	average.threads.aperf += t->aperf;
1666 	average.threads.mperf += t->mperf;
1667 	average.threads.c1 += t->c1;
1668 
1669 	average.threads.instr_count += t->instr_count;
1670 
1671 	average.threads.irq_count += t->irq_count;
1672 	average.threads.smi_count += t->smi_count;
1673 
1674 	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
1675 		if (mp->format == FORMAT_RAW)
1676 			continue;
1677 		average.threads.counter[i] += t->counter[i];
1678 	}
1679 
1680 	/* sum per-core values only for 1st thread in core */
1681 	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
1682 		return 0;
1683 
1684 	average.cores.c3 += c->c3;
1685 	average.cores.c6 += c->c6;
1686 	average.cores.c7 += c->c7;
1687 	average.cores.mc6_us += c->mc6_us;
1688 
1689 	average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c);
1690 
1691 	average.cores.core_energy += c->core_energy;
1692 
1693 	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
1694 		if (mp->format == FORMAT_RAW)
1695 			continue;
1696 		average.cores.counter[i] += c->counter[i];
1697 	}
1698 
1699 	/* sum per-pkg values only for 1st core in pkg */
1700 	if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1701 		return 0;
1702 
1703 	if (DO_BIC(BIC_Totl_c0))
1704 		average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0;
1705 	if (DO_BIC(BIC_Any_c0))
1706 		average.packages.pkg_any_core_c0 += p->pkg_any_core_c0;
1707 	if (DO_BIC(BIC_GFX_c0))
1708 		average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0;
1709 	if (DO_BIC(BIC_CPUGFX))
1710 		average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0;
1711 
1712 	average.packages.pc2 += p->pc2;
1713 	if (DO_BIC(BIC_Pkgpc3))
1714 		average.packages.pc3 += p->pc3;
1715 	if (DO_BIC(BIC_Pkgpc6))
1716 		average.packages.pc6 += p->pc6;
1717 	if (DO_BIC(BIC_Pkgpc7))
1718 		average.packages.pc7 += p->pc7;
1719 	average.packages.pc8 += p->pc8;
1720 	average.packages.pc9 += p->pc9;
1721 	average.packages.pc10 += p->pc10;
1722 
1723 	average.packages.cpu_lpi = p->cpu_lpi;
1724 	average.packages.sys_lpi = p->sys_lpi;
1725 
1726 	average.packages.energy_pkg += p->energy_pkg;
1727 	average.packages.energy_dram += p->energy_dram;
1728 	average.packages.energy_cores += p->energy_cores;
1729 	average.packages.energy_gfx += p->energy_gfx;
1730 
1731 	average.packages.gfx_rc6_ms = p->gfx_rc6_ms;
1732 	average.packages.gfx_mhz = p->gfx_mhz;
1733 	average.packages.gfx_act_mhz = p->gfx_act_mhz;
1734 
1735 	average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c);
1736 
1737 	average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status;
1738 	average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status;
1739 
1740 	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
1741 		if (mp->format == FORMAT_RAW)
1742 			continue;
1743 		average.packages.counter[i] += p->counter[i];
1744 	}
1745 	return 0;
1746 }
1747 /*
1748  * sum the counters for all cpus in the system
1749  * compute the weighted average
1750  */
1751 void compute_average(struct thread_data *t, struct core_data *c,
1752 	struct pkg_data *p)
1753 {
1754 	int i;
1755 	struct msr_counter *mp;
1756 
1757 	clear_counters(&average.threads, &average.cores, &average.packages);
1758 
1759 	for_all_cpus(sum_counters, t, c, p);
1760 
1761 	/* Use the global time delta for the average. */
1762 	average.threads.tv_delta = tv_delta;
1763 
1764 	average.threads.tsc /= topo.num_cpus;
1765 	average.threads.aperf /= topo.num_cpus;
1766 	average.threads.mperf /= topo.num_cpus;
1767 	average.threads.instr_count /= topo.num_cpus;
1768 	average.threads.c1 /= topo.num_cpus;
1769 
1770 	if (average.threads.irq_count > 9999999)
1771 		sums_need_wide_columns = 1;
1772 
1773 	average.cores.c3 /= topo.num_cores;
1774 	average.cores.c6 /= topo.num_cores;
1775 	average.cores.c7 /= topo.num_cores;
1776 	average.cores.mc6_us /= topo.num_cores;
1777 
1778 	if (DO_BIC(BIC_Totl_c0))
1779 		average.packages.pkg_wtd_core_c0 /= topo.num_packages;
1780 	if (DO_BIC(BIC_Any_c0))
1781 		average.packages.pkg_any_core_c0 /= topo.num_packages;
1782 	if (DO_BIC(BIC_GFX_c0))
1783 		average.packages.pkg_any_gfxe_c0 /= topo.num_packages;
1784 	if (DO_BIC(BIC_CPUGFX))
1785 		average.packages.pkg_both_core_gfxe_c0 /= topo.num_packages;
1786 
1787 	average.packages.pc2 /= topo.num_packages;
1788 	if (DO_BIC(BIC_Pkgpc3))
1789 		average.packages.pc3 /= topo.num_packages;
1790 	if (DO_BIC(BIC_Pkgpc6))
1791 		average.packages.pc6 /= topo.num_packages;
1792 	if (DO_BIC(BIC_Pkgpc7))
1793 		average.packages.pc7 /= topo.num_packages;
1794 
1795 	average.packages.pc8 /= topo.num_packages;
1796 	average.packages.pc9 /= topo.num_packages;
1797 	average.packages.pc10 /= topo.num_packages;
1798 
1799 	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
1800 		if (mp->format == FORMAT_RAW)
1801 			continue;
1802 		if (mp->type == COUNTER_ITEMS) {
1803 			if (average.threads.counter[i] > 9999999)
1804 				sums_need_wide_columns = 1;
1805 			continue;
1806 		}
1807 		average.threads.counter[i] /= topo.num_cpus;
1808 	}
1809 	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
1810 		if (mp->format == FORMAT_RAW)
1811 			continue;
1812 		if (mp->type == COUNTER_ITEMS) {
1813 			if (average.cores.counter[i] > 9999999)
1814 				sums_need_wide_columns = 1;
1815 		}
1816 		average.cores.counter[i] /= topo.num_cores;
1817 	}
1818 	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
1819 		if (mp->format == FORMAT_RAW)
1820 			continue;
1821 		if (mp->type == COUNTER_ITEMS) {
1822 			if (average.packages.counter[i] > 9999999)
1823 				sums_need_wide_columns = 1;
1824 		}
1825 		average.packages.counter[i] /= topo.num_packages;
1826 	}
1827 }
1828 
1829 static unsigned long long rdtsc(void)
1830 {
1831 	unsigned int low, high;
1832 
1833 	asm volatile("rdtsc" : "=a" (low), "=d" (high));
1834 
1835 	return low | ((unsigned long long)high) << 32;
1836 }
1837 
1838 /*
1839  * Open a file, and exit on failure
1840  */
1841 FILE *fopen_or_die(const char *path, const char *mode)
1842 {
1843 	FILE *filep = fopen(path, mode);
1844 
1845 	if (!filep)
1846 		err(1, "%s: open failed", path);
1847 	return filep;
1848 }
1849 /*
1850  * snapshot_sysfs_counter()
1851  *
1852  * return snapshot of given counter
1853  */
1854 unsigned long long snapshot_sysfs_counter(char *path)
1855 {
1856 	FILE *fp;
1857 	int retval;
1858 	unsigned long long counter;
1859 
1860 	fp = fopen_or_die(path, "r");
1861 
1862 	retval = fscanf(fp, "%lld", &counter);
1863 	if (retval != 1)
1864 		err(1, "snapshot_sysfs_counter(%s)", path);
1865 
1866 	fclose(fp);
1867 
1868 	return counter;
1869 }
1870 
1871 int get_mp(int cpu, struct msr_counter *mp, unsigned long long *counterp)
1872 {
1873 	if (mp->msr_num != 0) {
1874 		if (get_msr(cpu, mp->msr_num, counterp))
1875 			return -1;
1876 	} else {
1877 		char path[128 + PATH_BYTES];
1878 
1879 		if (mp->flags & SYSFS_PERCPU) {
1880 			sprintf(path, "/sys/devices/system/cpu/cpu%d/%s",
1881 				 cpu, mp->path);
1882 
1883 			*counterp = snapshot_sysfs_counter(path);
1884 		} else {
1885 			*counterp = snapshot_sysfs_counter(mp->path);
1886 		}
1887 	}
1888 
1889 	return 0;
1890 }
1891 
1892 int get_epb(int cpu)
1893 {
1894 	char path[128 + PATH_BYTES];
1895 	unsigned long long msr;
1896 	int ret, epb = -1;
1897 	FILE *fp;
1898 
1899 	sprintf(path, "/sys/devices/system/cpu/cpu%d/power/energy_perf_bias", cpu);
1900 
1901 	fp = fopen(path, "r");
1902 	if (!fp)
1903 		goto msr_fallback;
1904 
1905 	ret = fscanf(fp, "%d", &epb);
1906 	if (ret != 1)
1907 		err(1, "%s(%s)", __func__, path);
1908 
1909 	fclose(fp);
1910 
1911 	return epb;
1912 
1913 msr_fallback:
1914 	get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr);
1915 
1916 	return msr & 0xf;
1917 }
1918 
1919 void get_apic_id(struct thread_data *t)
1920 {
1921 	unsigned int eax, ebx, ecx, edx;
1922 
1923 	if (DO_BIC(BIC_APIC)) {
1924 		eax = ebx = ecx = edx = 0;
1925 		__cpuid(1, eax, ebx, ecx, edx);
1926 
1927 		t->apic_id = (ebx >> 24) & 0xff;
1928 	}
1929 
1930 	if (!DO_BIC(BIC_X2APIC))
1931 		return;
1932 
1933 	if (authentic_amd || hygon_genuine) {
1934 		unsigned int topology_extensions;
1935 
1936 		if (max_extended_level < 0x8000001e)
1937 			return;
1938 
1939 		eax = ebx = ecx = edx = 0;
1940 		__cpuid(0x80000001, eax, ebx, ecx, edx);
1941 			topology_extensions = ecx & (1 << 22);
1942 
1943 		if (topology_extensions == 0)
1944 			return;
1945 
1946 		eax = ebx = ecx = edx = 0;
1947 		__cpuid(0x8000001e, eax, ebx, ecx, edx);
1948 
1949 		t->x2apic_id = eax;
1950 		return;
1951 	}
1952 
1953 	if (!genuine_intel)
1954 		return;
1955 
1956 	if (max_level < 0xb)
1957 		return;
1958 
1959 	ecx = 0;
1960 	__cpuid(0xb, eax, ebx, ecx, edx);
1961 	t->x2apic_id = edx;
1962 
1963 	if (debug && (t->apic_id != (t->x2apic_id & 0xff)))
1964 		fprintf(outf, "cpu%d: BIOS BUG: apic 0x%x x2apic 0x%x\n",
1965 				t->cpu_id, t->apic_id, t->x2apic_id);
1966 }
1967 
1968 /*
1969  * get_counters(...)
1970  * migrate to cpu
1971  * acquire and record local counters for that cpu
1972  */
1973 int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1974 {
1975 	int cpu = t->cpu_id;
1976 	unsigned long long msr;
1977 	int aperf_mperf_retry_count = 0;
1978 	struct msr_counter *mp;
1979 	int i;
1980 
1981 	if (cpu_migrate(cpu)) {
1982 		fprintf(outf, "get_counters: Could not migrate to CPU %d\n", cpu);
1983 		return -1;
1984 	}
1985 
1986 	gettimeofday(&t->tv_begin, (struct timezone *)NULL);
1987 
1988 	if (first_counter_read)
1989 		get_apic_id(t);
1990 retry:
1991 	t->tsc = rdtsc();	/* we are running on local CPU of interest */
1992 
1993 	if (DO_BIC(BIC_Avg_MHz) || DO_BIC(BIC_Busy) || DO_BIC(BIC_Bzy_MHz) ||
1994 	    soft_c1_residency_display(BIC_Avg_MHz)) {
1995 		unsigned long long tsc_before, tsc_between, tsc_after, aperf_time, mperf_time;
1996 
1997 		/*
1998 		 * The TSC, APERF and MPERF must be read together for
1999 		 * APERF/MPERF and MPERF/TSC to give accurate results.
2000 		 *
2001 		 * Unfortunately, APERF and MPERF are read by
2002 		 * individual system call, so delays may occur
2003 		 * between them.  If the time to read them
2004 		 * varies by a large amount, we re-read them.
2005 		 */
2006 
2007 		/*
2008 		 * This initial dummy APERF read has been seen to
2009 		 * reduce jitter in the subsequent reads.
2010 		 */
2011 
2012 		if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
2013 			return -3;
2014 
2015 		t->tsc = rdtsc();	/* re-read close to APERF */
2016 
2017 		tsc_before = t->tsc;
2018 
2019 		if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
2020 			return -3;
2021 
2022 		tsc_between = rdtsc();
2023 
2024 		if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
2025 			return -4;
2026 
2027 		tsc_after = rdtsc();
2028 
2029 		aperf_time = tsc_between - tsc_before;
2030 		mperf_time = tsc_after - tsc_between;
2031 
2032 		/*
2033 		 * If the system call latency to read APERF and MPERF
2034 		 * differ by more than 2x, then try again.
2035 		 */
2036 		if ((aperf_time > (2 * mperf_time)) || (mperf_time > (2 * aperf_time))) {
2037 			aperf_mperf_retry_count++;
2038 			if (aperf_mperf_retry_count < 5)
2039 				goto retry;
2040 			else
2041 				warnx("cpu%d jitter %lld %lld",
2042 					cpu, aperf_time, mperf_time);
2043 		}
2044 		aperf_mperf_retry_count = 0;
2045 
2046 		t->aperf = t->aperf * aperf_mperf_multiplier;
2047 		t->mperf = t->mperf * aperf_mperf_multiplier;
2048 	}
2049 
2050 	if (DO_BIC(BIC_IPC))
2051 		if (read(get_instr_count_fd(cpu), &t->instr_count, sizeof(long long)) != sizeof(long long))
2052 			return -4;
2053 
2054 	if (DO_BIC(BIC_IRQ))
2055 		t->irq_count = irqs_per_cpu[cpu];
2056 	if (DO_BIC(BIC_SMI)) {
2057 		if (get_msr(cpu, MSR_SMI_COUNT, &msr))
2058 			return -5;
2059 		t->smi_count = msr & 0xFFFFFFFF;
2060 	}
2061 	if (DO_BIC(BIC_CPU_c1) && use_c1_residency_msr) {
2062 		if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1))
2063 			return -6;
2064 	}
2065 
2066 	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
2067 		if (get_mp(cpu, mp, &t->counter[i]))
2068 			return -10;
2069 	}
2070 
2071 	/* collect core counters only for 1st thread in core */
2072 	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
2073 		goto done;
2074 
2075 	if (DO_BIC(BIC_CPU_c3) || soft_c1_residency_display(BIC_CPU_c3)) {
2076 		if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
2077 			return -6;
2078 	}
2079 
2080 	if ((DO_BIC(BIC_CPU_c6) || soft_c1_residency_display(BIC_CPU_c6)) && !do_knl_cstates) {
2081 		if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
2082 			return -7;
2083 	} else if (do_knl_cstates || soft_c1_residency_display(BIC_CPU_c6)) {
2084 		if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6))
2085 			return -7;
2086 	}
2087 
2088 	if (DO_BIC(BIC_CPU_c7) || soft_c1_residency_display(BIC_CPU_c7))
2089 		if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7))
2090 			return -8;
2091 
2092 	if (DO_BIC(BIC_Mod_c6))
2093 		if (get_msr(cpu, MSR_MODULE_C6_RES_MS, &c->mc6_us))
2094 			return -8;
2095 
2096 	if (DO_BIC(BIC_CoreTmp)) {
2097 		if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
2098 			return -9;
2099 		c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
2100 	}
2101 
2102 	if (do_rapl & RAPL_AMD_F17H) {
2103 		if (get_msr(cpu, MSR_CORE_ENERGY_STAT, &msr))
2104 			return -14;
2105 		c->core_energy = msr & 0xFFFFFFFF;
2106 	}
2107 
2108 	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
2109 		if (get_mp(cpu, mp, &c->counter[i]))
2110 			return -10;
2111 	}
2112 
2113 	/* collect package counters only for 1st core in package */
2114 	if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
2115 		goto done;
2116 
2117 	if (DO_BIC(BIC_Totl_c0)) {
2118 		if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0))
2119 			return -10;
2120 	}
2121 	if (DO_BIC(BIC_Any_c0)) {
2122 		if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0))
2123 			return -11;
2124 	}
2125 	if (DO_BIC(BIC_GFX_c0)) {
2126 		if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0))
2127 			return -12;
2128 	}
2129 	if (DO_BIC(BIC_CPUGFX)) {
2130 		if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0))
2131 			return -13;
2132 	}
2133 	if (DO_BIC(BIC_Pkgpc3))
2134 		if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3))
2135 			return -9;
2136 	if (DO_BIC(BIC_Pkgpc6)) {
2137 		if (do_slm_cstates) {
2138 			if (get_msr(cpu, MSR_ATOM_PKG_C6_RESIDENCY, &p->pc6))
2139 				return -10;
2140 		} else {
2141 			if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6))
2142 				return -10;
2143 		}
2144 	}
2145 
2146 	if (DO_BIC(BIC_Pkgpc2))
2147 		if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2))
2148 			return -11;
2149 	if (DO_BIC(BIC_Pkgpc7))
2150 		if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7))
2151 			return -12;
2152 	if (DO_BIC(BIC_Pkgpc8))
2153 		if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8))
2154 			return -13;
2155 	if (DO_BIC(BIC_Pkgpc9))
2156 		if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9))
2157 			return -13;
2158 	if (DO_BIC(BIC_Pkgpc10))
2159 		if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10))
2160 			return -13;
2161 
2162 	if (DO_BIC(BIC_CPU_LPI))
2163 		p->cpu_lpi = cpuidle_cur_cpu_lpi_us;
2164 	if (DO_BIC(BIC_SYS_LPI))
2165 		p->sys_lpi = cpuidle_cur_sys_lpi_us;
2166 
2167 	if (do_rapl & RAPL_PKG) {
2168 		if (get_msr_sum(cpu, MSR_PKG_ENERGY_STATUS, &msr))
2169 			return -13;
2170 		p->energy_pkg = msr;
2171 	}
2172 	if (do_rapl & RAPL_CORES_ENERGY_STATUS) {
2173 		if (get_msr_sum(cpu, MSR_PP0_ENERGY_STATUS, &msr))
2174 			return -14;
2175 		p->energy_cores = msr;
2176 	}
2177 	if (do_rapl & RAPL_DRAM) {
2178 		if (get_msr_sum(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
2179 			return -15;
2180 		p->energy_dram = msr;
2181 	}
2182 	if (do_rapl & RAPL_GFX) {
2183 		if (get_msr_sum(cpu, MSR_PP1_ENERGY_STATUS, &msr))
2184 			return -16;
2185 		p->energy_gfx = msr;
2186 	}
2187 	if (do_rapl & RAPL_PKG_PERF_STATUS) {
2188 		if (get_msr_sum(cpu, MSR_PKG_PERF_STATUS, &msr))
2189 			return -16;
2190 		p->rapl_pkg_perf_status = msr;
2191 	}
2192 	if (do_rapl & RAPL_DRAM_PERF_STATUS) {
2193 		if (get_msr_sum(cpu, MSR_DRAM_PERF_STATUS, &msr))
2194 			return -16;
2195 		p->rapl_dram_perf_status = msr;
2196 	}
2197 	if (do_rapl & RAPL_AMD_F17H) {
2198 		if (get_msr_sum(cpu, MSR_PKG_ENERGY_STAT, &msr))
2199 			return -13;
2200 		p->energy_pkg = msr;
2201 	}
2202 	if (DO_BIC(BIC_PkgTmp)) {
2203 		if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
2204 			return -17;
2205 		p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
2206 	}
2207 
2208 	if (DO_BIC(BIC_GFX_rc6))
2209 		p->gfx_rc6_ms = gfx_cur_rc6_ms;
2210 
2211 	if (DO_BIC(BIC_GFXMHz))
2212 		p->gfx_mhz = gfx_cur_mhz;
2213 
2214 	if (DO_BIC(BIC_GFXACTMHz))
2215 		p->gfx_act_mhz = gfx_act_mhz;
2216 
2217 	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
2218 		if (get_mp(cpu, mp, &p->counter[i]))
2219 			return -10;
2220 	}
2221 done:
2222 	gettimeofday(&t->tv_end, (struct timezone *)NULL);
2223 
2224 	return 0;
2225 }
2226 
2227 /*
2228  * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit:
2229  * If you change the values, note they are used both in comparisons
2230  * (>= PCL__7) and to index pkg_cstate_limit_strings[].
2231  */
2232 
2233 #define PCLUKN 0 /* Unknown */
2234 #define PCLRSV 1 /* Reserved */
2235 #define PCL__0 2 /* PC0 */
2236 #define PCL__1 3 /* PC1 */
2237 #define PCL__2 4 /* PC2 */
2238 #define PCL__3 5 /* PC3 */
2239 #define PCL__4 6 /* PC4 */
2240 #define PCL__6 7 /* PC6 */
2241 #define PCL_6N 8 /* PC6 No Retention */
2242 #define PCL_6R 9 /* PC6 Retention */
2243 #define PCL__7 10 /* PC7 */
2244 #define PCL_7S 11 /* PC7 Shrink */
2245 #define PCL__8 12 /* PC8 */
2246 #define PCL__9 13 /* PC9 */
2247 #define PCL_10 14 /* PC10 */
2248 #define PCLUNL 15 /* Unlimited */
2249 
2250 int pkg_cstate_limit = PCLUKN;
2251 char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2",
2252 	"pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "pc10", "unlimited"};
2253 
2254 int nhm_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__3, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
2255 int snb_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCL__7, PCL_7S, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
2256 int hsw_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
2257 int slv_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7};
2258 int amt_pkg_cstate_limits[16] = {PCLUNL, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
2259 int phi_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
2260 int glm_pkg_cstate_limits[16] = {PCLUNL, PCL__1, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCL_10, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
2261 int skx_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
2262 
2263 
2264 static void
2265 calculate_tsc_tweak()
2266 {
2267 	tsc_tweak = base_hz / tsc_hz;
2268 }
2269 
2270 static void
2271 dump_nhm_platform_info(void)
2272 {
2273 	unsigned long long msr;
2274 	unsigned int ratio;
2275 
2276 	get_msr(base_cpu, MSR_PLATFORM_INFO, &msr);
2277 
2278 	fprintf(outf, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr);
2279 
2280 	ratio = (msr >> 40) & 0xFF;
2281 	fprintf(outf, "%d * %.1f = %.1f MHz max efficiency frequency\n",
2282 		ratio, bclk, ratio * bclk);
2283 
2284 	ratio = (msr >> 8) & 0xFF;
2285 	fprintf(outf, "%d * %.1f = %.1f MHz base frequency\n",
2286 		ratio, bclk, ratio * bclk);
2287 
2288 	get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr);
2289 	fprintf(outf, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n",
2290 		base_cpu, msr, msr & 0x2 ? "EN" : "DIS");
2291 
2292 	return;
2293 }
2294 
2295 static void
2296 dump_hsw_turbo_ratio_limits(void)
2297 {
2298 	unsigned long long msr;
2299 	unsigned int ratio;
2300 
2301 	get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr);
2302 
2303 	fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr);
2304 
2305 	ratio = (msr >> 8) & 0xFF;
2306 	if (ratio)
2307 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 18 active cores\n",
2308 			ratio, bclk, ratio * bclk);
2309 
2310 	ratio = (msr >> 0) & 0xFF;
2311 	if (ratio)
2312 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 17 active cores\n",
2313 			ratio, bclk, ratio * bclk);
2314 	return;
2315 }
2316 
2317 static void
2318 dump_ivt_turbo_ratio_limits(void)
2319 {
2320 	unsigned long long msr;
2321 	unsigned int ratio;
2322 
2323 	get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr);
2324 
2325 	fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr);
2326 
2327 	ratio = (msr >> 56) & 0xFF;
2328 	if (ratio)
2329 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 16 active cores\n",
2330 			ratio, bclk, ratio * bclk);
2331 
2332 	ratio = (msr >> 48) & 0xFF;
2333 	if (ratio)
2334 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 15 active cores\n",
2335 			ratio, bclk, ratio * bclk);
2336 
2337 	ratio = (msr >> 40) & 0xFF;
2338 	if (ratio)
2339 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 14 active cores\n",
2340 			ratio, bclk, ratio * bclk);
2341 
2342 	ratio = (msr >> 32) & 0xFF;
2343 	if (ratio)
2344 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 13 active cores\n",
2345 			ratio, bclk, ratio * bclk);
2346 
2347 	ratio = (msr >> 24) & 0xFF;
2348 	if (ratio)
2349 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 12 active cores\n",
2350 			ratio, bclk, ratio * bclk);
2351 
2352 	ratio = (msr >> 16) & 0xFF;
2353 	if (ratio)
2354 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 11 active cores\n",
2355 			ratio, bclk, ratio * bclk);
2356 
2357 	ratio = (msr >> 8) & 0xFF;
2358 	if (ratio)
2359 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 10 active cores\n",
2360 			ratio, bclk, ratio * bclk);
2361 
2362 	ratio = (msr >> 0) & 0xFF;
2363 	if (ratio)
2364 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 9 active cores\n",
2365 			ratio, bclk, ratio * bclk);
2366 	return;
2367 }
2368 int has_turbo_ratio_group_limits(int family, int model)
2369 {
2370 
2371 	if (!genuine_intel)
2372 		return 0;
2373 
2374 	switch (model) {
2375 	case INTEL_FAM6_ATOM_GOLDMONT:
2376 	case INTEL_FAM6_SKYLAKE_X:
2377 	case INTEL_FAM6_ATOM_GOLDMONT_D:
2378 	case INTEL_FAM6_ATOM_TREMONT_D:
2379 		return 1;
2380 	}
2381 	return 0;
2382 }
2383 
2384 static void
2385 dump_turbo_ratio_limits(int family, int model)
2386 {
2387 	unsigned long long msr, core_counts;
2388 	unsigned int ratio, group_size;
2389 
2390 	get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr);
2391 	fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr);
2392 
2393 	if (has_turbo_ratio_group_limits(family, model)) {
2394 		get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &core_counts);
2395 		fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, core_counts);
2396 	} else {
2397 		core_counts = 0x0807060504030201;
2398 	}
2399 
2400 	ratio = (msr >> 56) & 0xFF;
2401 	group_size = (core_counts >> 56) & 0xFF;
2402 	if (ratio)
2403 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2404 			ratio, bclk, ratio * bclk, group_size);
2405 
2406 	ratio = (msr >> 48) & 0xFF;
2407 	group_size = (core_counts >> 48) & 0xFF;
2408 	if (ratio)
2409 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2410 			ratio, bclk, ratio * bclk, group_size);
2411 
2412 	ratio = (msr >> 40) & 0xFF;
2413 	group_size = (core_counts >> 40) & 0xFF;
2414 	if (ratio)
2415 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2416 			ratio, bclk, ratio * bclk, group_size);
2417 
2418 	ratio = (msr >> 32) & 0xFF;
2419 	group_size = (core_counts >> 32) & 0xFF;
2420 	if (ratio)
2421 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2422 			ratio, bclk, ratio * bclk, group_size);
2423 
2424 	ratio = (msr >> 24) & 0xFF;
2425 	group_size = (core_counts >> 24) & 0xFF;
2426 	if (ratio)
2427 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2428 			ratio, bclk, ratio * bclk, group_size);
2429 
2430 	ratio = (msr >> 16) & 0xFF;
2431 	group_size = (core_counts >> 16) & 0xFF;
2432 	if (ratio)
2433 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2434 			ratio, bclk, ratio * bclk, group_size);
2435 
2436 	ratio = (msr >> 8) & 0xFF;
2437 	group_size = (core_counts >> 8) & 0xFF;
2438 	if (ratio)
2439 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2440 			ratio, bclk, ratio * bclk, group_size);
2441 
2442 	ratio = (msr >> 0) & 0xFF;
2443 	group_size = (core_counts >> 0) & 0xFF;
2444 	if (ratio)
2445 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
2446 			ratio, bclk, ratio * bclk, group_size);
2447 	return;
2448 }
2449 
2450 static void
2451 dump_atom_turbo_ratio_limits(void)
2452 {
2453 	unsigned long long msr;
2454 	unsigned int ratio;
2455 
2456 	get_msr(base_cpu, MSR_ATOM_CORE_RATIOS, &msr);
2457 	fprintf(outf, "cpu%d: MSR_ATOM_CORE_RATIOS: 0x%08llx\n", base_cpu, msr & 0xFFFFFFFF);
2458 
2459 	ratio = (msr >> 0) & 0x3F;
2460 	if (ratio)
2461 		fprintf(outf, "%d * %.1f = %.1f MHz minimum operating frequency\n",
2462 			ratio, bclk, ratio * bclk);
2463 
2464 	ratio = (msr >> 8) & 0x3F;
2465 	if (ratio)
2466 		fprintf(outf, "%d * %.1f = %.1f MHz low frequency mode (LFM)\n",
2467 			ratio, bclk, ratio * bclk);
2468 
2469 	ratio = (msr >> 16) & 0x3F;
2470 	if (ratio)
2471 		fprintf(outf, "%d * %.1f = %.1f MHz base frequency\n",
2472 			ratio, bclk, ratio * bclk);
2473 
2474 	get_msr(base_cpu, MSR_ATOM_CORE_TURBO_RATIOS, &msr);
2475 	fprintf(outf, "cpu%d: MSR_ATOM_CORE_TURBO_RATIOS: 0x%08llx\n", base_cpu, msr & 0xFFFFFFFF);
2476 
2477 	ratio = (msr >> 24) & 0x3F;
2478 	if (ratio)
2479 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 4 active cores\n",
2480 			ratio, bclk, ratio * bclk);
2481 
2482 	ratio = (msr >> 16) & 0x3F;
2483 	if (ratio)
2484 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 3 active cores\n",
2485 			ratio, bclk, ratio * bclk);
2486 
2487 	ratio = (msr >> 8) & 0x3F;
2488 	if (ratio)
2489 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 2 active cores\n",
2490 			ratio, bclk, ratio * bclk);
2491 
2492 	ratio = (msr >> 0) & 0x3F;
2493 	if (ratio)
2494 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 1 active core\n",
2495 			ratio, bclk, ratio * bclk);
2496 }
2497 
2498 static void
2499 dump_knl_turbo_ratio_limits(void)
2500 {
2501 	const unsigned int buckets_no = 7;
2502 
2503 	unsigned long long msr;
2504 	int delta_cores, delta_ratio;
2505 	int i, b_nr;
2506 	unsigned int cores[buckets_no];
2507 	unsigned int ratio[buckets_no];
2508 
2509 	get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr);
2510 
2511 	fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n",
2512 		base_cpu, msr);
2513 
2514 	/**
2515 	 * Turbo encoding in KNL is as follows:
2516 	 * [0] -- Reserved
2517 	 * [7:1] -- Base value of number of active cores of bucket 1.
2518 	 * [15:8] -- Base value of freq ratio of bucket 1.
2519 	 * [20:16] -- +ve delta of number of active cores of bucket 2.
2520 	 * i.e. active cores of bucket 2 =
2521 	 * active cores of bucket 1 + delta
2522 	 * [23:21] -- Negative delta of freq ratio of bucket 2.
2523 	 * i.e. freq ratio of bucket 2 =
2524 	 * freq ratio of bucket 1 - delta
2525 	 * [28:24]-- +ve delta of number of active cores of bucket 3.
2526 	 * [31:29]-- -ve delta of freq ratio of bucket 3.
2527 	 * [36:32]-- +ve delta of number of active cores of bucket 4.
2528 	 * [39:37]-- -ve delta of freq ratio of bucket 4.
2529 	 * [44:40]-- +ve delta of number of active cores of bucket 5.
2530 	 * [47:45]-- -ve delta of freq ratio of bucket 5.
2531 	 * [52:48]-- +ve delta of number of active cores of bucket 6.
2532 	 * [55:53]-- -ve delta of freq ratio of bucket 6.
2533 	 * [60:56]-- +ve delta of number of active cores of bucket 7.
2534 	 * [63:61]-- -ve delta of freq ratio of bucket 7.
2535 	 */
2536 
2537 	b_nr = 0;
2538 	cores[b_nr] = (msr & 0xFF) >> 1;
2539 	ratio[b_nr] = (msr >> 8) & 0xFF;
2540 
2541 	for (i = 16; i < 64; i += 8) {
2542 		delta_cores = (msr >> i) & 0x1F;
2543 		delta_ratio = (msr >> (i + 5)) & 0x7;
2544 
2545 		cores[b_nr + 1] = cores[b_nr] + delta_cores;
2546 		ratio[b_nr + 1] = ratio[b_nr] - delta_ratio;
2547 		b_nr++;
2548 	}
2549 
2550 	for (i = buckets_no - 1; i >= 0; i--)
2551 		if (i > 0 ? ratio[i] != ratio[i - 1] : 1)
2552 			fprintf(outf,
2553 				"%d * %.1f = %.1f MHz max turbo %d active cores\n",
2554 				ratio[i], bclk, ratio[i] * bclk, cores[i]);
2555 }
2556 
2557 static void
2558 dump_nhm_cst_cfg(void)
2559 {
2560 	unsigned long long msr;
2561 
2562 	get_msr(base_cpu, MSR_PKG_CST_CONFIG_CONTROL, &msr);
2563 
2564 	fprintf(outf, "cpu%d: MSR_PKG_CST_CONFIG_CONTROL: 0x%08llx", base_cpu, msr);
2565 
2566 	fprintf(outf, " (%s%s%s%s%slocked, pkg-cstate-limit=%d (%s)",
2567 		(msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "",
2568 		(msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "",
2569 		(msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "",
2570 		(msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "",
2571 		(msr & (1 << 15)) ? "" : "UN",
2572 		(unsigned int)msr & 0xF,
2573 		pkg_cstate_limit_strings[pkg_cstate_limit]);
2574 
2575 #define AUTOMATIC_CSTATE_CONVERSION		(1UL << 16)
2576 	if (has_automatic_cstate_conversion) {
2577 		fprintf(outf, ", automatic c-state conversion=%s",
2578 			(msr & AUTOMATIC_CSTATE_CONVERSION) ? "on" : "off");
2579 	}
2580 
2581 	fprintf(outf, ")\n");
2582 
2583 	return;
2584 }
2585 
2586 static void
2587 dump_config_tdp(void)
2588 {
2589 	unsigned long long msr;
2590 
2591 	get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr);
2592 	fprintf(outf, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr);
2593 	fprintf(outf, " (base_ratio=%d)\n", (unsigned int)msr & 0xFF);
2594 
2595 	get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr);
2596 	fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr);
2597 	if (msr) {
2598 		fprintf(outf, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0x7FFF);
2599 		fprintf(outf, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0x7FFF);
2600 		fprintf(outf, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF);
2601 		fprintf(outf, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0x7FFF);
2602 	}
2603 	fprintf(outf, ")\n");
2604 
2605 	get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr);
2606 	fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr);
2607 	if (msr) {
2608 		fprintf(outf, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0x7FFF);
2609 		fprintf(outf, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0x7FFF);
2610 		fprintf(outf, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF);
2611 		fprintf(outf, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0x7FFF);
2612 	}
2613 	fprintf(outf, ")\n");
2614 
2615 	get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr);
2616 	fprintf(outf, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr);
2617 	if ((msr) & 0x3)
2618 		fprintf(outf, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3);
2619 	fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1);
2620 	fprintf(outf, ")\n");
2621 
2622 	get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr);
2623 	fprintf(outf, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr);
2624 	fprintf(outf, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0xFF);
2625 	fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1);
2626 	fprintf(outf, ")\n");
2627 }
2628 
2629 unsigned int irtl_time_units[] = {1, 32, 1024, 32768, 1048576, 33554432, 0, 0 };
2630 
2631 void print_irtl(void)
2632 {
2633 	unsigned long long msr;
2634 
2635 	get_msr(base_cpu, MSR_PKGC3_IRTL, &msr);
2636 	fprintf(outf, "cpu%d: MSR_PKGC3_IRTL: 0x%08llx (", base_cpu, msr);
2637 	fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
2638 		(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
2639 
2640 	get_msr(base_cpu, MSR_PKGC6_IRTL, &msr);
2641 	fprintf(outf, "cpu%d: MSR_PKGC6_IRTL: 0x%08llx (", base_cpu, msr);
2642 	fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
2643 		(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
2644 
2645 	get_msr(base_cpu, MSR_PKGC7_IRTL, &msr);
2646 	fprintf(outf, "cpu%d: MSR_PKGC7_IRTL: 0x%08llx (", base_cpu, msr);
2647 	fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
2648 		(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
2649 
2650 	if (!do_irtl_hsw)
2651 		return;
2652 
2653 	get_msr(base_cpu, MSR_PKGC8_IRTL, &msr);
2654 	fprintf(outf, "cpu%d: MSR_PKGC8_IRTL: 0x%08llx (", base_cpu, msr);
2655 	fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
2656 		(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
2657 
2658 	get_msr(base_cpu, MSR_PKGC9_IRTL, &msr);
2659 	fprintf(outf, "cpu%d: MSR_PKGC9_IRTL: 0x%08llx (", base_cpu, msr);
2660 	fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
2661 		(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
2662 
2663 	get_msr(base_cpu, MSR_PKGC10_IRTL, &msr);
2664 	fprintf(outf, "cpu%d: MSR_PKGC10_IRTL: 0x%08llx (", base_cpu, msr);
2665 	fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
2666 		(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
2667 
2668 }
2669 void free_fd_percpu(void)
2670 {
2671 	int i;
2672 
2673 	for (i = 0; i < topo.max_cpu_num + 1; ++i) {
2674 		if (fd_percpu[i] != 0)
2675 			close(fd_percpu[i]);
2676 	}
2677 
2678 	free(fd_percpu);
2679 }
2680 
2681 void free_all_buffers(void)
2682 {
2683 	int i;
2684 
2685 	CPU_FREE(cpu_present_set);
2686 	cpu_present_set = NULL;
2687 	cpu_present_setsize = 0;
2688 
2689 	CPU_FREE(cpu_affinity_set);
2690 	cpu_affinity_set = NULL;
2691 	cpu_affinity_setsize = 0;
2692 
2693 	free(thread_even);
2694 	free(core_even);
2695 	free(package_even);
2696 
2697 	thread_even = NULL;
2698 	core_even = NULL;
2699 	package_even = NULL;
2700 
2701 	free(thread_odd);
2702 	free(core_odd);
2703 	free(package_odd);
2704 
2705 	thread_odd = NULL;
2706 	core_odd = NULL;
2707 	package_odd = NULL;
2708 
2709 	free(output_buffer);
2710 	output_buffer = NULL;
2711 	outp = NULL;
2712 
2713 	free_fd_percpu();
2714 
2715 	free(irq_column_2_cpu);
2716 	free(irqs_per_cpu);
2717 
2718 	for (i = 0; i <= topo.max_cpu_num; ++i) {
2719 		if (cpus[i].put_ids)
2720 			CPU_FREE(cpus[i].put_ids);
2721 	}
2722 	free(cpus);
2723 }
2724 
2725 
2726 /*
2727  * Parse a file containing a single int.
2728  * Return 0 if file can not be opened
2729  * Exit if file can be opened, but can not be parsed
2730  */
2731 int parse_int_file(const char *fmt, ...)
2732 {
2733 	va_list args;
2734 	char path[PATH_MAX];
2735 	FILE *filep;
2736 	int value;
2737 
2738 	va_start(args, fmt);
2739 	vsnprintf(path, sizeof(path), fmt, args);
2740 	va_end(args);
2741 	filep = fopen(path, "r");
2742 	if (!filep)
2743 		return 0;
2744 	if (fscanf(filep, "%d", &value) != 1)
2745 		err(1, "%s: failed to parse number from file", path);
2746 	fclose(filep);
2747 	return value;
2748 }
2749 
2750 /*
2751  * cpu_is_first_core_in_package(cpu)
2752  * return 1 if given CPU is 1st core in package
2753  */
2754 int cpu_is_first_core_in_package(int cpu)
2755 {
2756 	return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu);
2757 }
2758 
2759 int get_physical_package_id(int cpu)
2760 {
2761 	return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
2762 }
2763 
2764 int get_die_id(int cpu)
2765 {
2766 	return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/die_id", cpu);
2767 }
2768 
2769 int get_core_id(int cpu)
2770 {
2771 	return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
2772 }
2773 
2774 void set_node_data(void)
2775 {
2776 	int pkg, node, lnode, cpu, cpux;
2777 	int cpu_count;
2778 
2779 	/* initialize logical_node_id */
2780 	for (cpu = 0; cpu <= topo.max_cpu_num; ++cpu)
2781 		cpus[cpu].logical_node_id = -1;
2782 
2783 	cpu_count = 0;
2784 	for (pkg = 0; pkg < topo.num_packages; pkg++) {
2785 		lnode = 0;
2786 		for (cpu = 0; cpu <= topo.max_cpu_num; ++cpu) {
2787 			if (cpus[cpu].physical_package_id != pkg)
2788 				continue;
2789 			/* find a cpu with an unset logical_node_id */
2790 			if (cpus[cpu].logical_node_id != -1)
2791 				continue;
2792 			cpus[cpu].logical_node_id = lnode;
2793 			node = cpus[cpu].physical_node_id;
2794 			cpu_count++;
2795 			/*
2796 			 * find all matching cpus on this pkg and set
2797 			 * the logical_node_id
2798 			 */
2799 			for (cpux = cpu; cpux <= topo.max_cpu_num; cpux++) {
2800 				if ((cpus[cpux].physical_package_id == pkg) &&
2801 				   (cpus[cpux].physical_node_id == node)) {
2802 					cpus[cpux].logical_node_id = lnode;
2803 					cpu_count++;
2804 				}
2805 			}
2806 			lnode++;
2807 			if (lnode > topo.nodes_per_pkg)
2808 				topo.nodes_per_pkg = lnode;
2809 		}
2810 		if (cpu_count >= topo.max_cpu_num)
2811 			break;
2812 	}
2813 }
2814 
2815 int get_physical_node_id(struct cpu_topology *thiscpu)
2816 {
2817 	char path[80];
2818 	FILE *filep;
2819 	int i;
2820 	int cpu = thiscpu->logical_cpu_id;
2821 
2822 	for (i = 0; i <= topo.max_cpu_num; i++) {
2823 		sprintf(path, "/sys/devices/system/cpu/cpu%d/node%i/cpulist",
2824 			cpu, i);
2825 		filep = fopen(path, "r");
2826 		if (!filep)
2827 			continue;
2828 		fclose(filep);
2829 		return i;
2830 	}
2831 	return -1;
2832 }
2833 
2834 int get_thread_siblings(struct cpu_topology *thiscpu)
2835 {
2836 	char path[80], character;
2837 	FILE *filep;
2838 	unsigned long map;
2839 	int so, shift, sib_core;
2840 	int cpu = thiscpu->logical_cpu_id;
2841 	int offset = topo.max_cpu_num + 1;
2842 	size_t size;
2843 	int thread_id = 0;
2844 
2845 	thiscpu->put_ids = CPU_ALLOC((topo.max_cpu_num + 1));
2846 	if (thiscpu->thread_id < 0)
2847 		thiscpu->thread_id = thread_id++;
2848 	if (!thiscpu->put_ids)
2849 		return -1;
2850 
2851 	size = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
2852 	CPU_ZERO_S(size, thiscpu->put_ids);
2853 
2854 	sprintf(path,
2855 		"/sys/devices/system/cpu/cpu%d/topology/thread_siblings", cpu);
2856 	filep = fopen(path, "r");
2857 
2858 	if (!filep) {
2859 		warnx("%s: open failed", path);
2860 		return -1;
2861 	}
2862 	do {
2863 		offset -= BITMASK_SIZE;
2864 		if (fscanf(filep, "%lx%c", &map, &character) != 2)
2865 			err(1, "%s: failed to parse file", path);
2866 		for (shift = 0; shift < BITMASK_SIZE; shift++) {
2867 			if ((map >> shift) & 0x1) {
2868 				so = shift + offset;
2869 				sib_core = get_core_id(so);
2870 				if (sib_core == thiscpu->physical_core_id) {
2871 					CPU_SET_S(so, size, thiscpu->put_ids);
2872 					if ((so != cpu) &&
2873 					    (cpus[so].thread_id < 0))
2874 						cpus[so].thread_id =
2875 								    thread_id++;
2876 				}
2877 			}
2878 		}
2879 	} while (!strncmp(&character, ",", 1));
2880 	fclose(filep);
2881 
2882 	return CPU_COUNT_S(size, thiscpu->put_ids);
2883 }
2884 
2885 /*
2886  * run func(thread, core, package) in topology order
2887  * skip non-present cpus
2888  */
2889 
2890 int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *,
2891 	struct pkg_data *, struct thread_data *, struct core_data *,
2892 	struct pkg_data *), struct thread_data *thread_base,
2893 	struct core_data *core_base, struct pkg_data *pkg_base,
2894 	struct thread_data *thread_base2, struct core_data *core_base2,
2895 	struct pkg_data *pkg_base2)
2896 {
2897 	int retval, pkg_no, node_no, core_no, thread_no;
2898 
2899 	for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
2900 		for (node_no = 0; node_no < topo.nodes_per_pkg; ++node_no) {
2901 			for (core_no = 0; core_no < topo.cores_per_node;
2902 			     ++core_no) {
2903 				for (thread_no = 0; thread_no <
2904 					topo.threads_per_core; ++thread_no) {
2905 					struct thread_data *t, *t2;
2906 					struct core_data *c, *c2;
2907 					struct pkg_data *p, *p2;
2908 
2909 					t = GET_THREAD(thread_base, thread_no,
2910 						       core_no, node_no,
2911 						       pkg_no);
2912 
2913 					if (cpu_is_not_present(t->cpu_id))
2914 						continue;
2915 
2916 					t2 = GET_THREAD(thread_base2, thread_no,
2917 							core_no, node_no,
2918 							pkg_no);
2919 
2920 					c = GET_CORE(core_base, core_no,
2921 						     node_no, pkg_no);
2922 					c2 = GET_CORE(core_base2, core_no,
2923 						      node_no,
2924 						      pkg_no);
2925 
2926 					p = GET_PKG(pkg_base, pkg_no);
2927 					p2 = GET_PKG(pkg_base2, pkg_no);
2928 
2929 					retval = func(t, c, p, t2, c2, p2);
2930 					if (retval)
2931 						return retval;
2932 				}
2933 			}
2934 		}
2935 	}
2936 	return 0;
2937 }
2938 
2939 /*
2940  * run func(cpu) on every cpu in /proc/stat
2941  * return max_cpu number
2942  */
2943 int for_all_proc_cpus(int (func)(int))
2944 {
2945 	FILE *fp;
2946 	int cpu_num;
2947 	int retval;
2948 
2949 	fp = fopen_or_die(proc_stat, "r");
2950 
2951 	retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
2952 	if (retval != 0)
2953 		err(1, "%s: failed to parse format", proc_stat);
2954 
2955 	while (1) {
2956 		retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num);
2957 		if (retval != 1)
2958 			break;
2959 
2960 		retval = func(cpu_num);
2961 		if (retval) {
2962 			fclose(fp);
2963 			return(retval);
2964 		}
2965 	}
2966 	fclose(fp);
2967 	return 0;
2968 }
2969 
2970 void re_initialize(void)
2971 {
2972 	free_all_buffers();
2973 	setup_all_buffers();
2974 	fprintf(outf, "turbostat: re-initialized with num_cpus %d\n", topo.num_cpus);
2975 }
2976 
2977 void set_max_cpu_num(void)
2978 {
2979 	FILE *filep;
2980 	int base_cpu;
2981 	unsigned long dummy;
2982 	char pathname[64];
2983 
2984 	base_cpu = sched_getcpu();
2985 	if (base_cpu < 0)
2986 		err(1, "cannot find calling cpu ID");
2987 	sprintf(pathname,
2988 		"/sys/devices/system/cpu/cpu%d/topology/thread_siblings",
2989 		base_cpu);
2990 
2991 	filep = fopen_or_die(pathname, "r");
2992 	topo.max_cpu_num = 0;
2993 	while (fscanf(filep, "%lx,", &dummy) == 1)
2994 		topo.max_cpu_num += BITMASK_SIZE;
2995 	fclose(filep);
2996 	topo.max_cpu_num--; /* 0 based */
2997 }
2998 
2999 /*
3000  * count_cpus()
3001  * remember the last one seen, it will be the max
3002  */
3003 int count_cpus(int cpu)
3004 {
3005 	topo.num_cpus++;
3006 	return 0;
3007 }
3008 int mark_cpu_present(int cpu)
3009 {
3010 	CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set);
3011 	return 0;
3012 }
3013 
3014 int init_thread_id(int cpu)
3015 {
3016 	cpus[cpu].thread_id = -1;
3017 	return 0;
3018 }
3019 
3020 /*
3021  * snapshot_proc_interrupts()
3022  *
3023  * read and record summary of /proc/interrupts
3024  *
3025  * return 1 if config change requires a restart, else return 0
3026  */
3027 int snapshot_proc_interrupts(void)
3028 {
3029 	static FILE *fp;
3030 	int column, retval;
3031 
3032 	if (fp == NULL)
3033 		fp = fopen_or_die("/proc/interrupts", "r");
3034 	else
3035 		rewind(fp);
3036 
3037 	/* read 1st line of /proc/interrupts to get cpu* name for each column */
3038 	for (column = 0; column < topo.num_cpus; ++column) {
3039 		int cpu_number;
3040 
3041 		retval = fscanf(fp, " CPU%d", &cpu_number);
3042 		if (retval != 1)
3043 			break;
3044 
3045 		if (cpu_number > topo.max_cpu_num) {
3046 			warn("/proc/interrupts: cpu%d: > %d", cpu_number, topo.max_cpu_num);
3047 			return 1;
3048 		}
3049 
3050 		irq_column_2_cpu[column] = cpu_number;
3051 		irqs_per_cpu[cpu_number] = 0;
3052 	}
3053 
3054 	/* read /proc/interrupt count lines and sum up irqs per cpu */
3055 	while (1) {
3056 		int column;
3057 		char buf[64];
3058 
3059 		retval = fscanf(fp, " %s:", buf);	/* flush irq# "N:" */
3060 		if (retval != 1)
3061 			break;
3062 
3063 		/* read the count per cpu */
3064 		for (column = 0; column < topo.num_cpus; ++column) {
3065 
3066 			int cpu_number, irq_count;
3067 
3068 			retval = fscanf(fp, " %d", &irq_count);
3069 			if (retval != 1)
3070 				break;
3071 
3072 			cpu_number = irq_column_2_cpu[column];
3073 			irqs_per_cpu[cpu_number] += irq_count;
3074 
3075 		}
3076 
3077 		while (getc(fp) != '\n')
3078 			;	/* flush interrupt description */
3079 
3080 	}
3081 	return 0;
3082 }
3083 /*
3084  * snapshot_gfx_rc6_ms()
3085  *
3086  * record snapshot of
3087  * /sys/class/drm/card0/power/rc6_residency_ms
3088  *
3089  * return 1 if config change requires a restart, else return 0
3090  */
3091 int snapshot_gfx_rc6_ms(void)
3092 {
3093 	FILE *fp;
3094 	int retval;
3095 
3096 	fp = fopen_or_die("/sys/class/drm/card0/power/rc6_residency_ms", "r");
3097 
3098 	retval = fscanf(fp, "%lld", &gfx_cur_rc6_ms);
3099 	if (retval != 1)
3100 		err(1, "GFX rc6");
3101 
3102 	fclose(fp);
3103 
3104 	return 0;
3105 }
3106 /*
3107  * snapshot_gfx_mhz()
3108  *
3109  * record snapshot of
3110  * /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz
3111  *
3112  * return 1 if config change requires a restart, else return 0
3113  */
3114 int snapshot_gfx_mhz(void)
3115 {
3116 	static FILE *fp;
3117 	int retval;
3118 
3119 	if (fp == NULL)
3120 		fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r");
3121 	else {
3122 		rewind(fp);
3123 		fflush(fp);
3124 	}
3125 
3126 	retval = fscanf(fp, "%d", &gfx_cur_mhz);
3127 	if (retval != 1)
3128 		err(1, "GFX MHz");
3129 
3130 	return 0;
3131 }
3132 
3133 /*
3134  * snapshot_gfx_cur_mhz()
3135  *
3136  * record snapshot of
3137  * /sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz
3138  *
3139  * return 1 if config change requires a restart, else return 0
3140  */
3141 int snapshot_gfx_act_mhz(void)
3142 {
3143 	static FILE *fp;
3144 	int retval;
3145 
3146 	if (fp == NULL)
3147 		fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz", "r");
3148 	else {
3149 		rewind(fp);
3150 		fflush(fp);
3151 	}
3152 
3153 	retval = fscanf(fp, "%d", &gfx_act_mhz);
3154 	if (retval != 1)
3155 		err(1, "GFX ACT MHz");
3156 
3157 	return 0;
3158 }
3159 
3160 /*
3161  * snapshot_cpu_lpi()
3162  *
3163  * record snapshot of
3164  * /sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us
3165  */
3166 int snapshot_cpu_lpi_us(void)
3167 {
3168 	FILE *fp;
3169 	int retval;
3170 
3171 	fp = fopen_or_die("/sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us", "r");
3172 
3173 	retval = fscanf(fp, "%lld", &cpuidle_cur_cpu_lpi_us);
3174 	if (retval != 1) {
3175 		fprintf(stderr, "Disabling Low Power Idle CPU output\n");
3176 		BIC_NOT_PRESENT(BIC_CPU_LPI);
3177 		fclose(fp);
3178 		return -1;
3179 	}
3180 
3181 	fclose(fp);
3182 
3183 	return 0;
3184 }
3185 /*
3186  * snapshot_sys_lpi()
3187  *
3188  * record snapshot of sys_lpi_file
3189  */
3190 int snapshot_sys_lpi_us(void)
3191 {
3192 	FILE *fp;
3193 	int retval;
3194 
3195 	fp = fopen_or_die(sys_lpi_file, "r");
3196 
3197 	retval = fscanf(fp, "%lld", &cpuidle_cur_sys_lpi_us);
3198 	if (retval != 1) {
3199 		fprintf(stderr, "Disabling Low Power Idle System output\n");
3200 		BIC_NOT_PRESENT(BIC_SYS_LPI);
3201 		fclose(fp);
3202 		return -1;
3203 	}
3204 	fclose(fp);
3205 
3206 	return 0;
3207 }
3208 /*
3209  * snapshot /proc and /sys files
3210  *
3211  * return 1 if configuration restart needed, else return 0
3212  */
3213 int snapshot_proc_sysfs_files(void)
3214 {
3215 	if (DO_BIC(BIC_IRQ))
3216 		if (snapshot_proc_interrupts())
3217 			return 1;
3218 
3219 	if (DO_BIC(BIC_GFX_rc6))
3220 		snapshot_gfx_rc6_ms();
3221 
3222 	if (DO_BIC(BIC_GFXMHz))
3223 		snapshot_gfx_mhz();
3224 
3225 	if (DO_BIC(BIC_GFXACTMHz))
3226 		snapshot_gfx_act_mhz();
3227 
3228 	if (DO_BIC(BIC_CPU_LPI))
3229 		snapshot_cpu_lpi_us();
3230 
3231 	if (DO_BIC(BIC_SYS_LPI))
3232 		snapshot_sys_lpi_us();
3233 
3234 	return 0;
3235 }
3236 
3237 int exit_requested;
3238 
3239 static void signal_handler (int signal)
3240 {
3241 	switch (signal) {
3242 	case SIGINT:
3243 		exit_requested = 1;
3244 		if (debug)
3245 			fprintf(stderr, " SIGINT\n");
3246 		break;
3247 	case SIGUSR1:
3248 		if (debug > 1)
3249 			fprintf(stderr, "SIGUSR1\n");
3250 		break;
3251 	}
3252 }
3253 
3254 void setup_signal_handler(void)
3255 {
3256 	struct sigaction sa;
3257 
3258 	memset(&sa, 0, sizeof(sa));
3259 
3260 	sa.sa_handler = &signal_handler;
3261 
3262 	if (sigaction(SIGINT, &sa, NULL) < 0)
3263 		err(1, "sigaction SIGINT");
3264 	if (sigaction(SIGUSR1, &sa, NULL) < 0)
3265 		err(1, "sigaction SIGUSR1");
3266 }
3267 
3268 void do_sleep(void)
3269 {
3270 	struct timeval tout;
3271 	struct timespec rest;
3272 	fd_set readfds;
3273 	int retval;
3274 
3275 	FD_ZERO(&readfds);
3276 	FD_SET(0, &readfds);
3277 
3278 	if (ignore_stdin) {
3279 		nanosleep(&interval_ts, NULL);
3280 		return;
3281 	}
3282 
3283 	tout = interval_tv;
3284 	retval = select(1, &readfds, NULL, NULL, &tout);
3285 
3286 	if (retval == 1) {
3287 		switch (getc(stdin)) {
3288 		case 'q':
3289 			exit_requested = 1;
3290 			break;
3291 		case EOF:
3292 			/*
3293 			 * 'stdin' is a pipe closed on the other end. There
3294 			 * won't be any further input.
3295 			 */
3296 			ignore_stdin = 1;
3297 			/* Sleep the rest of the time */
3298 			rest.tv_sec = (tout.tv_sec + tout.tv_usec / 1000000);
3299 			rest.tv_nsec = (tout.tv_usec % 1000000) * 1000;
3300 			nanosleep(&rest, NULL);
3301 		}
3302 	}
3303 }
3304 
3305 int get_msr_sum(int cpu, off_t offset, unsigned long long *msr)
3306 {
3307 	int ret, idx;
3308 	unsigned long long msr_cur, msr_last;
3309 
3310 	if (!per_cpu_msr_sum)
3311 		return 1;
3312 
3313 	idx = offset_to_idx(offset);
3314 	if (idx < 0)
3315 		return idx;
3316 	/* get_msr_sum() = sum + (get_msr() - last) */
3317 	ret = get_msr(cpu, offset, &msr_cur);
3318 	if (ret)
3319 		return ret;
3320 	msr_last = per_cpu_msr_sum[cpu].entries[idx].last;
3321 	DELTA_WRAP32(msr_cur, msr_last);
3322 	*msr = msr_last + per_cpu_msr_sum[cpu].entries[idx].sum;
3323 
3324 	return 0;
3325 }
3326 
3327 timer_t timerid;
3328 
3329 /* Timer callback, update the sum of MSRs periodically. */
3330 static int update_msr_sum(struct thread_data *t, struct core_data *c, struct pkg_data *p)
3331 {
3332 	int i, ret;
3333 	int cpu = t->cpu_id;
3334 
3335 	for (i = IDX_PKG_ENERGY; i < IDX_COUNT; i++) {
3336 		unsigned long long msr_cur, msr_last;
3337 		int offset;
3338 
3339 		if (!idx_valid(i))
3340 			continue;
3341 		offset = idx_to_offset(i);
3342 		if (offset < 0)
3343 			continue;
3344 		ret = get_msr(cpu, offset, &msr_cur);
3345 		if (ret) {
3346 			fprintf(outf, "Can not update msr(0x%x)\n", offset);
3347 			continue;
3348 		}
3349 
3350 		msr_last = per_cpu_msr_sum[cpu].entries[i].last;
3351 		per_cpu_msr_sum[cpu].entries[i].last = msr_cur & 0xffffffff;
3352 
3353 		DELTA_WRAP32(msr_cur, msr_last);
3354 		per_cpu_msr_sum[cpu].entries[i].sum += msr_last;
3355 	}
3356 	return 0;
3357 }
3358 
3359 static void
3360 msr_record_handler(union sigval v)
3361 {
3362 	for_all_cpus(update_msr_sum, EVEN_COUNTERS);
3363 }
3364 
3365 void msr_sum_record(void)
3366 {
3367 	struct itimerspec its;
3368 	struct sigevent sev;
3369 
3370 	per_cpu_msr_sum = calloc(topo.max_cpu_num + 1, sizeof(struct msr_sum_array));
3371 	if (!per_cpu_msr_sum) {
3372 		fprintf(outf, "Can not allocate memory for long time MSR.\n");
3373 		return;
3374 	}
3375 	/*
3376 	 * Signal handler might be restricted, so use thread notifier instead.
3377 	 */
3378 	memset(&sev, 0, sizeof(struct sigevent));
3379 	sev.sigev_notify = SIGEV_THREAD;
3380 	sev.sigev_notify_function = msr_record_handler;
3381 
3382 	sev.sigev_value.sival_ptr = &timerid;
3383 	if (timer_create(CLOCK_REALTIME, &sev, &timerid) == -1) {
3384 		fprintf(outf, "Can not create timer.\n");
3385 		goto release_msr;
3386 	}
3387 
3388 	its.it_value.tv_sec = 0;
3389 	its.it_value.tv_nsec = 1;
3390 	/*
3391 	 * A wraparound time has been calculated early.
3392 	 * Some sources state that the peak power for a
3393 	 * microprocessor is usually 1.5 times the TDP rating,
3394 	 * use 2 * TDP for safety.
3395 	 */
3396 	its.it_interval.tv_sec = rapl_joule_counter_range / 2;
3397 	its.it_interval.tv_nsec = 0;
3398 
3399 	if (timer_settime(timerid, 0, &its, NULL) == -1) {
3400 		fprintf(outf, "Can not set timer.\n");
3401 		goto release_timer;
3402 	}
3403 	return;
3404 
3405  release_timer:
3406 	timer_delete(timerid);
3407  release_msr:
3408 	free(per_cpu_msr_sum);
3409 }
3410 
3411 void turbostat_loop()
3412 {
3413 	int retval;
3414 	int restarted = 0;
3415 	int done_iters = 0;
3416 
3417 	setup_signal_handler();
3418 
3419 restart:
3420 	restarted++;
3421 
3422 	snapshot_proc_sysfs_files();
3423 	retval = for_all_cpus(get_counters, EVEN_COUNTERS);
3424 	first_counter_read = 0;
3425 	if (retval < -1) {
3426 		exit(retval);
3427 	} else if (retval == -1) {
3428 		if (restarted > 10) {
3429 			exit(retval);
3430 		}
3431 		re_initialize();
3432 		goto restart;
3433 	}
3434 	restarted = 0;
3435 	done_iters = 0;
3436 	gettimeofday(&tv_even, (struct timezone *)NULL);
3437 
3438 	while (1) {
3439 		if (for_all_proc_cpus(cpu_is_not_present)) {
3440 			re_initialize();
3441 			goto restart;
3442 		}
3443 		do_sleep();
3444 		if (snapshot_proc_sysfs_files())
3445 			goto restart;
3446 		retval = for_all_cpus(get_counters, ODD_COUNTERS);
3447 		if (retval < -1) {
3448 			exit(retval);
3449 		} else if (retval == -1) {
3450 			re_initialize();
3451 			goto restart;
3452 		}
3453 		gettimeofday(&tv_odd, (struct timezone *)NULL);
3454 		timersub(&tv_odd, &tv_even, &tv_delta);
3455 		if (for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS)) {
3456 			re_initialize();
3457 			goto restart;
3458 		}
3459 		compute_average(EVEN_COUNTERS);
3460 		format_all_counters(EVEN_COUNTERS);
3461 		flush_output_stdout();
3462 		if (exit_requested)
3463 			break;
3464 		if (num_iterations && ++done_iters >= num_iterations)
3465 			break;
3466 		do_sleep();
3467 		if (snapshot_proc_sysfs_files())
3468 			goto restart;
3469 		retval = for_all_cpus(get_counters, EVEN_COUNTERS);
3470 		if (retval < -1) {
3471 			exit(retval);
3472 		} else if (retval == -1) {
3473 			re_initialize();
3474 			goto restart;
3475 		}
3476 		gettimeofday(&tv_even, (struct timezone *)NULL);
3477 		timersub(&tv_even, &tv_odd, &tv_delta);
3478 		if (for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS)) {
3479 			re_initialize();
3480 			goto restart;
3481 		}
3482 		compute_average(ODD_COUNTERS);
3483 		format_all_counters(ODD_COUNTERS);
3484 		flush_output_stdout();
3485 		if (exit_requested)
3486 			break;
3487 		if (num_iterations && ++done_iters >= num_iterations)
3488 			break;
3489 	}
3490 }
3491 
3492 void check_dev_msr()
3493 {
3494 	struct stat sb;
3495 	char pathname[32];
3496 
3497 	sprintf(pathname, "/dev/cpu/%d/msr", base_cpu);
3498 	if (stat(pathname, &sb))
3499  		if (system("/sbin/modprobe msr > /dev/null 2>&1"))
3500 			err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" ");
3501 }
3502 
3503 /*
3504  * check for CAP_SYS_RAWIO
3505  * return 0 on success
3506  * return 1 on fail
3507  */
3508 int check_for_cap_sys_rawio(void)
3509 {
3510 	cap_t caps;
3511 	cap_flag_value_t cap_flag_value;
3512 
3513 	caps = cap_get_proc();
3514 	if (caps == NULL)
3515 		err(-6, "cap_get_proc\n");
3516 
3517 	if (cap_get_flag(caps, CAP_SYS_RAWIO, CAP_EFFECTIVE, &cap_flag_value))
3518 		err(-6, "cap_get\n");
3519 
3520 	if (cap_flag_value != CAP_SET) {
3521 		warnx("capget(CAP_SYS_RAWIO) failed,"
3522 			" try \"# setcap cap_sys_rawio=ep %s\"", progname);
3523 		return 1;
3524 	}
3525 
3526 	if (cap_free(caps) == -1)
3527 		err(-6, "cap_free\n");
3528 
3529 	return 0;
3530 }
3531 void check_permissions(void)
3532 {
3533 	int do_exit = 0;
3534 	char pathname[32];
3535 
3536 	/* check for CAP_SYS_RAWIO */
3537 	do_exit += check_for_cap_sys_rawio();
3538 
3539 	/* test file permissions */
3540 	sprintf(pathname, "/dev/cpu/%d/msr", base_cpu);
3541 	if (euidaccess(pathname, R_OK)) {
3542 		do_exit++;
3543 		warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr");
3544 	}
3545 
3546 	/* if all else fails, thell them to be root */
3547 	if (do_exit)
3548 		if (getuid() != 0)
3549 			warnx("... or simply run as root");
3550 
3551 	if (do_exit)
3552 		exit(-6);
3553 }
3554 
3555 /*
3556  * NHM adds support for additional MSRs:
3557  *
3558  * MSR_SMI_COUNT                   0x00000034
3559  *
3560  * MSR_PLATFORM_INFO               0x000000ce
3561  * MSR_PKG_CST_CONFIG_CONTROL     0x000000e2
3562  *
3563  * MSR_MISC_PWR_MGMT               0x000001aa
3564  *
3565  * MSR_PKG_C3_RESIDENCY            0x000003f8
3566  * MSR_PKG_C6_RESIDENCY            0x000003f9
3567  * MSR_CORE_C3_RESIDENCY           0x000003fc
3568  * MSR_CORE_C6_RESIDENCY           0x000003fd
3569  *
3570  * Side effect:
3571  * sets global pkg_cstate_limit to decode MSR_PKG_CST_CONFIG_CONTROL
3572  * sets has_misc_feature_control
3573  */
3574 int probe_nhm_msrs(unsigned int family, unsigned int model)
3575 {
3576 	unsigned long long msr;
3577 	unsigned int base_ratio;
3578 	int *pkg_cstate_limits;
3579 
3580 	if (!genuine_intel)
3581 		return 0;
3582 
3583 	if (family != 6)
3584 		return 0;
3585 
3586 	bclk = discover_bclk(family, model);
3587 
3588 	switch (model) {
3589 	case INTEL_FAM6_NEHALEM:	/* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */
3590 	case INTEL_FAM6_NEHALEM_EX:	/* Nehalem-EX Xeon - Beckton */
3591 		pkg_cstate_limits = nhm_pkg_cstate_limits;
3592 		break;
3593 	case INTEL_FAM6_SANDYBRIDGE:	/* SNB */
3594 	case INTEL_FAM6_SANDYBRIDGE_X:	/* SNB Xeon */
3595 	case INTEL_FAM6_IVYBRIDGE:	/* IVB */
3596 	case INTEL_FAM6_IVYBRIDGE_X:	/* IVB Xeon */
3597 		pkg_cstate_limits = snb_pkg_cstate_limits;
3598 		has_misc_feature_control = 1;
3599 		break;
3600 	case INTEL_FAM6_HASWELL:	/* HSW */
3601 	case INTEL_FAM6_HASWELL_G:	/* HSW */
3602 	case INTEL_FAM6_HASWELL_X:	/* HSX */
3603 	case INTEL_FAM6_HASWELL_L:	/* HSW */
3604 	case INTEL_FAM6_BROADWELL:	/* BDW */
3605 	case INTEL_FAM6_BROADWELL_G:	/* BDW */
3606 	case INTEL_FAM6_BROADWELL_X:	/* BDX */
3607 	case INTEL_FAM6_SKYLAKE_L:	/* SKL */
3608 	case INTEL_FAM6_CANNONLAKE_L:	/* CNL */
3609 		pkg_cstate_limits = hsw_pkg_cstate_limits;
3610 		has_misc_feature_control = 1;
3611 		break;
3612 	case INTEL_FAM6_SKYLAKE_X:	/* SKX */
3613 		pkg_cstate_limits = skx_pkg_cstate_limits;
3614 		has_misc_feature_control = 1;
3615 		break;
3616 	case INTEL_FAM6_ATOM_SILVERMONT:	/* BYT */
3617 		no_MSR_MISC_PWR_MGMT = 1;
3618 	case INTEL_FAM6_ATOM_SILVERMONT_D:	/* AVN */
3619 		pkg_cstate_limits = slv_pkg_cstate_limits;
3620 		break;
3621 	case INTEL_FAM6_ATOM_AIRMONT:	/* AMT */
3622 		pkg_cstate_limits = amt_pkg_cstate_limits;
3623 		no_MSR_MISC_PWR_MGMT = 1;
3624 		break;
3625 	case INTEL_FAM6_XEON_PHI_KNL:	/* PHI */
3626 		pkg_cstate_limits = phi_pkg_cstate_limits;
3627 		break;
3628 	case INTEL_FAM6_ATOM_GOLDMONT:	/* BXT */
3629 	case INTEL_FAM6_ATOM_GOLDMONT_PLUS:
3630 	case INTEL_FAM6_ATOM_GOLDMONT_D:	/* DNV */
3631 	case INTEL_FAM6_ATOM_TREMONT:	/* EHL */
3632 	case INTEL_FAM6_ATOM_TREMONT_D: /* JVL */
3633 		pkg_cstate_limits = glm_pkg_cstate_limits;
3634 		break;
3635 	default:
3636 		return 0;
3637 	}
3638 	get_msr(base_cpu, MSR_PKG_CST_CONFIG_CONTROL, &msr);
3639 	pkg_cstate_limit = pkg_cstate_limits[msr & 0xF];
3640 
3641 	get_msr(base_cpu, MSR_PLATFORM_INFO, &msr);
3642 	base_ratio = (msr >> 8) & 0xFF;
3643 
3644 	base_hz = base_ratio * bclk * 1000000;
3645 	has_base_hz = 1;
3646 	return 1;
3647 }
3648 /*
3649  * SLV client has support for unique MSRs:
3650  *
3651  * MSR_CC6_DEMOTION_POLICY_CONFIG
3652  * MSR_MC6_DEMOTION_POLICY_CONFIG
3653  */
3654 
3655 int has_slv_msrs(unsigned int family, unsigned int model)
3656 {
3657 	if (!genuine_intel)
3658 		return 0;
3659 
3660 	switch (model) {
3661 	case INTEL_FAM6_ATOM_SILVERMONT:
3662 	case INTEL_FAM6_ATOM_SILVERMONT_MID:
3663 	case INTEL_FAM6_ATOM_AIRMONT_MID:
3664 		return 1;
3665 	}
3666 	return 0;
3667 }
3668 int is_dnv(unsigned int family, unsigned int model)
3669 {
3670 
3671 	if (!genuine_intel)
3672 		return 0;
3673 
3674 	switch (model) {
3675 	case INTEL_FAM6_ATOM_GOLDMONT_D:
3676 		return 1;
3677 	}
3678 	return 0;
3679 }
3680 int is_bdx(unsigned int family, unsigned int model)
3681 {
3682 
3683 	if (!genuine_intel)
3684 		return 0;
3685 
3686 	switch (model) {
3687 	case INTEL_FAM6_BROADWELL_X:
3688 		return 1;
3689 	}
3690 	return 0;
3691 }
3692 int is_skx(unsigned int family, unsigned int model)
3693 {
3694 
3695 	if (!genuine_intel)
3696 		return 0;
3697 
3698 	switch (model) {
3699 	case INTEL_FAM6_SKYLAKE_X:
3700 		return 1;
3701 	}
3702 	return 0;
3703 }
3704 int is_ehl(unsigned int family, unsigned int model)
3705 {
3706 	if (!genuine_intel)
3707 		return 0;
3708 
3709 	switch (model) {
3710 	case INTEL_FAM6_ATOM_TREMONT:
3711 		return 1;
3712 	}
3713 	return 0;
3714 }
3715 int is_jvl(unsigned int family, unsigned int model)
3716 {
3717 	if (!genuine_intel)
3718 		return 0;
3719 
3720 	switch (model) {
3721 	case INTEL_FAM6_ATOM_TREMONT_D:
3722 		return 1;
3723 	}
3724 	return 0;
3725 }
3726 
3727 int has_turbo_ratio_limit(unsigned int family, unsigned int model)
3728 {
3729 	if (has_slv_msrs(family, model))
3730 		return 0;
3731 
3732 	switch (model) {
3733 	/* Nehalem compatible, but do not include turbo-ratio limit support */
3734 	case INTEL_FAM6_NEHALEM_EX:	/* Nehalem-EX Xeon - Beckton */
3735 	case INTEL_FAM6_XEON_PHI_KNL:	/* PHI - Knights Landing (different MSR definition) */
3736 		return 0;
3737 	default:
3738 		return 1;
3739 	}
3740 }
3741 int has_atom_turbo_ratio_limit(unsigned int family, unsigned int model)
3742 {
3743 	if (has_slv_msrs(family, model))
3744 		return 1;
3745 
3746 	return 0;
3747 }
3748 int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model)
3749 {
3750 	if (!genuine_intel)
3751 		return 0;
3752 
3753 	if (family != 6)
3754 		return 0;
3755 
3756 	switch (model) {
3757 	case INTEL_FAM6_IVYBRIDGE_X:	/* IVB Xeon */
3758 	case INTEL_FAM6_HASWELL_X:	/* HSW Xeon */
3759 		return 1;
3760 	default:
3761 		return 0;
3762 	}
3763 }
3764 int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model)
3765 {
3766 	if (!genuine_intel)
3767 		return 0;
3768 
3769 	if (family != 6)
3770 		return 0;
3771 
3772 	switch (model) {
3773 	case INTEL_FAM6_HASWELL_X:	/* HSW Xeon */
3774 		return 1;
3775 	default:
3776 		return 0;
3777 	}
3778 }
3779 
3780 int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model)
3781 {
3782 	if (!genuine_intel)
3783 		return 0;
3784 
3785 	if (family != 6)
3786 		return 0;
3787 
3788 	switch (model) {
3789 	case INTEL_FAM6_XEON_PHI_KNL:	/* Knights Landing */
3790 		return 1;
3791 	default:
3792 		return 0;
3793 	}
3794 }
3795 int has_glm_turbo_ratio_limit(unsigned int family, unsigned int model)
3796 {
3797 	if (!genuine_intel)
3798 		return 0;
3799 
3800 	if (family != 6)
3801 		return 0;
3802 
3803 	switch (model) {
3804 	case INTEL_FAM6_ATOM_GOLDMONT:
3805 	case INTEL_FAM6_SKYLAKE_X:
3806 		return 1;
3807 	default:
3808 		return 0;
3809 	}
3810 }
3811 int has_config_tdp(unsigned int family, unsigned int model)
3812 {
3813 	if (!genuine_intel)
3814 		return 0;
3815 
3816 	if (family != 6)
3817 		return 0;
3818 
3819 	switch (model) {
3820 	case INTEL_FAM6_IVYBRIDGE:	/* IVB */
3821 	case INTEL_FAM6_HASWELL:	/* HSW */
3822 	case INTEL_FAM6_HASWELL_X:	/* HSX */
3823 	case INTEL_FAM6_HASWELL_L:	/* HSW */
3824 	case INTEL_FAM6_HASWELL_G:	/* HSW */
3825 	case INTEL_FAM6_BROADWELL:	/* BDW */
3826 	case INTEL_FAM6_BROADWELL_G:	/* BDW */
3827 	case INTEL_FAM6_BROADWELL_X:	/* BDX */
3828 	case INTEL_FAM6_SKYLAKE_L:	/* SKL */
3829 	case INTEL_FAM6_CANNONLAKE_L:	/* CNL */
3830 	case INTEL_FAM6_SKYLAKE_X:	/* SKX */
3831 
3832 	case INTEL_FAM6_XEON_PHI_KNL:	/* Knights Landing */
3833 		return 1;
3834 	default:
3835 		return 0;
3836 	}
3837 }
3838 
3839 static void
3840 remove_underbar(char *s)
3841 {
3842 	char *to = s;
3843 
3844 	while (*s) {
3845 		if (*s != '_')
3846 			*to++ = *s;
3847 		s++;
3848 	}
3849 
3850 	*to = 0;
3851 }
3852 
3853 static void
3854 dump_cstate_pstate_config_info(unsigned int family, unsigned int model)
3855 {
3856 	if (!do_nhm_platform_info)
3857 		return;
3858 
3859 	dump_nhm_platform_info();
3860 
3861 	if (has_hsw_turbo_ratio_limit(family, model))
3862 		dump_hsw_turbo_ratio_limits();
3863 
3864 	if (has_ivt_turbo_ratio_limit(family, model))
3865 		dump_ivt_turbo_ratio_limits();
3866 
3867 	if (has_turbo_ratio_limit(family, model))
3868 		dump_turbo_ratio_limits(family, model);
3869 
3870 	if (has_atom_turbo_ratio_limit(family, model))
3871 		dump_atom_turbo_ratio_limits();
3872 
3873 	if (has_knl_turbo_ratio_limit(family, model))
3874 		dump_knl_turbo_ratio_limits();
3875 
3876 	if (has_config_tdp(family, model))
3877 		dump_config_tdp();
3878 
3879 	dump_nhm_cst_cfg();
3880 }
3881 
3882 static void dump_sysfs_file(char *path)
3883 {
3884 	FILE *input;
3885 	char cpuidle_buf[64];
3886 
3887 	input = fopen(path, "r");
3888 	if (input == NULL) {
3889 		if (debug)
3890 			fprintf(outf, "NSFOD %s\n", path);
3891 		return;
3892 	}
3893 	if (!fgets(cpuidle_buf, sizeof(cpuidle_buf), input))
3894 		err(1, "%s: failed to read file", path);
3895 	fclose(input);
3896 
3897 	fprintf(outf, "%s: %s", strrchr(path, '/') + 1, cpuidle_buf);
3898 }
3899 static void
3900 dump_sysfs_cstate_config(void)
3901 {
3902 	char path[64];
3903 	char name_buf[16];
3904 	char desc[64];
3905 	FILE *input;
3906 	int state;
3907 	char *sp;
3908 
3909 	if (access("/sys/devices/system/cpu/cpuidle", R_OK)) {
3910 		fprintf(outf, "cpuidle not loaded\n");
3911 		return;
3912 	}
3913 
3914 	dump_sysfs_file("/sys/devices/system/cpu/cpuidle/current_driver");
3915 	dump_sysfs_file("/sys/devices/system/cpu/cpuidle/current_governor");
3916 	dump_sysfs_file("/sys/devices/system/cpu/cpuidle/current_governor_ro");
3917 
3918 	for (state = 0; state < 10; ++state) {
3919 
3920 		sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name",
3921 			base_cpu, state);
3922 		input = fopen(path, "r");
3923 		if (input == NULL)
3924 			continue;
3925 		if (!fgets(name_buf, sizeof(name_buf), input))
3926 			err(1, "%s: failed to read file", path);
3927 
3928 		 /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
3929 		sp = strchr(name_buf, '-');
3930 		if (!sp)
3931 			sp = strchrnul(name_buf, '\n');
3932 		*sp = '\0';
3933 		fclose(input);
3934 
3935 		remove_underbar(name_buf);
3936 
3937 		sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/desc",
3938 			base_cpu, state);
3939 		input = fopen(path, "r");
3940 		if (input == NULL)
3941 			continue;
3942 		if (!fgets(desc, sizeof(desc), input))
3943 			err(1, "%s: failed to read file", path);
3944 
3945 		fprintf(outf, "cpu%d: %s: %s", base_cpu, name_buf, desc);
3946 		fclose(input);
3947 	}
3948 }
3949 static void
3950 dump_sysfs_pstate_config(void)
3951 {
3952 	char path[64];
3953 	char driver_buf[64];
3954 	char governor_buf[64];
3955 	FILE *input;
3956 	int turbo;
3957 
3958 	sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_driver",
3959 			base_cpu);
3960 	input = fopen(path, "r");
3961 	if (input == NULL) {
3962 		fprintf(outf, "NSFOD %s\n", path);
3963 		return;
3964 	}
3965 	if (!fgets(driver_buf, sizeof(driver_buf), input))
3966 		err(1, "%s: failed to read file", path);
3967 	fclose(input);
3968 
3969 	sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_governor",
3970 			base_cpu);
3971 	input = fopen(path, "r");
3972 	if (input == NULL) {
3973 		fprintf(outf, "NSFOD %s\n", path);
3974 		return;
3975 	}
3976 	if (!fgets(governor_buf, sizeof(governor_buf), input))
3977 		err(1, "%s: failed to read file", path);
3978 	fclose(input);
3979 
3980 	fprintf(outf, "cpu%d: cpufreq driver: %s", base_cpu, driver_buf);
3981 	fprintf(outf, "cpu%d: cpufreq governor: %s", base_cpu, governor_buf);
3982 
3983 	sprintf(path, "/sys/devices/system/cpu/cpufreq/boost");
3984 	input = fopen(path, "r");
3985 	if (input != NULL) {
3986 		if (fscanf(input, "%d", &turbo) != 1)
3987 			err(1, "%s: failed to parse number from file", path);
3988 		fprintf(outf, "cpufreq boost: %d\n", turbo);
3989 		fclose(input);
3990 	}
3991 
3992 	sprintf(path, "/sys/devices/system/cpu/intel_pstate/no_turbo");
3993 	input = fopen(path, "r");
3994 	if (input != NULL) {
3995 		if (fscanf(input, "%d", &turbo) != 1)
3996 			err(1, "%s: failed to parse number from file", path);
3997 		fprintf(outf, "cpufreq intel_pstate no_turbo: %d\n", turbo);
3998 		fclose(input);
3999 	}
4000 }
4001 
4002 
4003 /*
4004  * print_epb()
4005  * Decode the ENERGY_PERF_BIAS MSR
4006  */
4007 int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p)
4008 {
4009 	char *epb_string;
4010 	int cpu, epb;
4011 
4012 	if (!has_epb)
4013 		return 0;
4014 
4015 	cpu = t->cpu_id;
4016 
4017 	/* EPB is per-package */
4018 	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
4019 		return 0;
4020 
4021 	if (cpu_migrate(cpu)) {
4022 		fprintf(outf, "print_epb: Could not migrate to CPU %d\n", cpu);
4023 		return -1;
4024 	}
4025 
4026 	epb = get_epb(cpu);
4027 	if (epb < 0)
4028 		return 0;
4029 
4030 	switch (epb) {
4031 	case ENERGY_PERF_BIAS_PERFORMANCE:
4032 		epb_string = "performance";
4033 		break;
4034 	case ENERGY_PERF_BIAS_NORMAL:
4035 		epb_string = "balanced";
4036 		break;
4037 	case ENERGY_PERF_BIAS_POWERSAVE:
4038 		epb_string = "powersave";
4039 		break;
4040 	default:
4041 		epb_string = "custom";
4042 		break;
4043 	}
4044 	fprintf(outf, "cpu%d: EPB: %d (%s)\n", cpu, epb, epb_string);
4045 
4046 	return 0;
4047 }
4048 /*
4049  * print_hwp()
4050  * Decode the MSR_HWP_CAPABILITIES
4051  */
4052 int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p)
4053 {
4054 	unsigned long long msr;
4055 	int cpu;
4056 
4057 	if (!has_hwp)
4058 		return 0;
4059 
4060 	cpu = t->cpu_id;
4061 
4062 	/* MSR_HWP_CAPABILITIES is per-package */
4063 	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
4064 		return 0;
4065 
4066 	if (cpu_migrate(cpu)) {
4067 		fprintf(outf, "print_hwp: Could not migrate to CPU %d\n", cpu);
4068 		return -1;
4069 	}
4070 
4071 	if (get_msr(cpu, MSR_PM_ENABLE, &msr))
4072 		return 0;
4073 
4074 	fprintf(outf, "cpu%d: MSR_PM_ENABLE: 0x%08llx (%sHWP)\n",
4075 		cpu, msr, (msr & (1 << 0)) ? "" : "No-");
4076 
4077 	/* MSR_PM_ENABLE[1] == 1 if HWP is enabled and MSRs visible */
4078 	if ((msr & (1 << 0)) == 0)
4079 		return 0;
4080 
4081 	if (get_msr(cpu, MSR_HWP_CAPABILITIES, &msr))
4082 		return 0;
4083 
4084 	fprintf(outf, "cpu%d: MSR_HWP_CAPABILITIES: 0x%08llx "
4085 			"(high %d guar %d eff %d low %d)\n",
4086 			cpu, msr,
4087 			(unsigned int)HWP_HIGHEST_PERF(msr),
4088 			(unsigned int)HWP_GUARANTEED_PERF(msr),
4089 			(unsigned int)HWP_MOSTEFFICIENT_PERF(msr),
4090 			(unsigned int)HWP_LOWEST_PERF(msr));
4091 
4092 	if (get_msr(cpu, MSR_HWP_REQUEST, &msr))
4093 		return 0;
4094 
4095 	fprintf(outf, "cpu%d: MSR_HWP_REQUEST: 0x%08llx "
4096 			"(min %d max %d des %d epp 0x%x window 0x%x pkg 0x%x)\n",
4097 			cpu, msr,
4098 			(unsigned int)(((msr) >> 0) & 0xff),
4099 			(unsigned int)(((msr) >> 8) & 0xff),
4100 			(unsigned int)(((msr) >> 16) & 0xff),
4101 			(unsigned int)(((msr) >> 24) & 0xff),
4102 			(unsigned int)(((msr) >> 32) & 0xff3),
4103 			(unsigned int)(((msr) >> 42) & 0x1));
4104 
4105 	if (has_hwp_pkg) {
4106 		if (get_msr(cpu, MSR_HWP_REQUEST_PKG, &msr))
4107 			return 0;
4108 
4109 		fprintf(outf, "cpu%d: MSR_HWP_REQUEST_PKG: 0x%08llx "
4110 			"(min %d max %d des %d epp 0x%x window 0x%x)\n",
4111 			cpu, msr,
4112 			(unsigned int)(((msr) >> 0) & 0xff),
4113 			(unsigned int)(((msr) >> 8) & 0xff),
4114 			(unsigned int)(((msr) >> 16) & 0xff),
4115 			(unsigned int)(((msr) >> 24) & 0xff),
4116 			(unsigned int)(((msr) >> 32) & 0xff3));
4117 	}
4118 	if (has_hwp_notify) {
4119 		if (get_msr(cpu, MSR_HWP_INTERRUPT, &msr))
4120 			return 0;
4121 
4122 		fprintf(outf, "cpu%d: MSR_HWP_INTERRUPT: 0x%08llx "
4123 			"(%s_Guaranteed_Perf_Change, %s_Excursion_Min)\n",
4124 			cpu, msr,
4125 			((msr) & 0x1) ? "EN" : "Dis",
4126 			((msr) & 0x2) ? "EN" : "Dis");
4127 	}
4128 	if (get_msr(cpu, MSR_HWP_STATUS, &msr))
4129 		return 0;
4130 
4131 	fprintf(outf, "cpu%d: MSR_HWP_STATUS: 0x%08llx "
4132 			"(%sGuaranteed_Perf_Change, %sExcursion_Min)\n",
4133 			cpu, msr,
4134 			((msr) & 0x1) ? "" : "No-",
4135 			((msr) & 0x2) ? "" : "No-");
4136 
4137 	return 0;
4138 }
4139 
4140 /*
4141  * print_perf_limit()
4142  */
4143 int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p)
4144 {
4145 	unsigned long long msr;
4146 	int cpu;
4147 
4148 	cpu = t->cpu_id;
4149 
4150 	/* per-package */
4151 	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
4152 		return 0;
4153 
4154 	if (cpu_migrate(cpu)) {
4155 		fprintf(outf, "print_perf_limit: Could not migrate to CPU %d\n", cpu);
4156 		return -1;
4157 	}
4158 
4159 	if (do_core_perf_limit_reasons) {
4160 		get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr);
4161 		fprintf(outf, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
4162 		fprintf(outf, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)",
4163 			(msr & 1 << 15) ? "bit15, " : "",
4164 			(msr & 1 << 14) ? "bit14, " : "",
4165 			(msr & 1 << 13) ? "Transitions, " : "",
4166 			(msr & 1 << 12) ? "MultiCoreTurbo, " : "",
4167 			(msr & 1 << 11) ? "PkgPwrL2, " : "",
4168 			(msr & 1 << 10) ? "PkgPwrL1, " : "",
4169 			(msr & 1 << 9) ? "CorePwr, " : "",
4170 			(msr & 1 << 8) ? "Amps, " : "",
4171 			(msr & 1 << 6) ? "VR-Therm, " : "",
4172 			(msr & 1 << 5) ? "Auto-HWP, " : "",
4173 			(msr & 1 << 4) ? "Graphics, " : "",
4174 			(msr & 1 << 2) ? "bit2, " : "",
4175 			(msr & 1 << 1) ? "ThermStatus, " : "",
4176 			(msr & 1 << 0) ? "PROCHOT, " : "");
4177 		fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n",
4178 			(msr & 1 << 31) ? "bit31, " : "",
4179 			(msr & 1 << 30) ? "bit30, " : "",
4180 			(msr & 1 << 29) ? "Transitions, " : "",
4181 			(msr & 1 << 28) ? "MultiCoreTurbo, " : "",
4182 			(msr & 1 << 27) ? "PkgPwrL2, " : "",
4183 			(msr & 1 << 26) ? "PkgPwrL1, " : "",
4184 			(msr & 1 << 25) ? "CorePwr, " : "",
4185 			(msr & 1 << 24) ? "Amps, " : "",
4186 			(msr & 1 << 22) ? "VR-Therm, " : "",
4187 			(msr & 1 << 21) ? "Auto-HWP, " : "",
4188 			(msr & 1 << 20) ? "Graphics, " : "",
4189 			(msr & 1 << 18) ? "bit18, " : "",
4190 			(msr & 1 << 17) ? "ThermStatus, " : "",
4191 			(msr & 1 << 16) ? "PROCHOT, " : "");
4192 
4193 	}
4194 	if (do_gfx_perf_limit_reasons) {
4195 		get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr);
4196 		fprintf(outf, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
4197 		fprintf(outf, " (Active: %s%s%s%s%s%s%s%s)",
4198 			(msr & 1 << 0) ? "PROCHOT, " : "",
4199 			(msr & 1 << 1) ? "ThermStatus, " : "",
4200 			(msr & 1 << 4) ? "Graphics, " : "",
4201 			(msr & 1 << 6) ? "VR-Therm, " : "",
4202 			(msr & 1 << 8) ? "Amps, " : "",
4203 			(msr & 1 << 9) ? "GFXPwr, " : "",
4204 			(msr & 1 << 10) ? "PkgPwrL1, " : "",
4205 			(msr & 1 << 11) ? "PkgPwrL2, " : "");
4206 		fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s)\n",
4207 			(msr & 1 << 16) ? "PROCHOT, " : "",
4208 			(msr & 1 << 17) ? "ThermStatus, " : "",
4209 			(msr & 1 << 20) ? "Graphics, " : "",
4210 			(msr & 1 << 22) ? "VR-Therm, " : "",
4211 			(msr & 1 << 24) ? "Amps, " : "",
4212 			(msr & 1 << 25) ? "GFXPwr, " : "",
4213 			(msr & 1 << 26) ? "PkgPwrL1, " : "",
4214 			(msr & 1 << 27) ? "PkgPwrL2, " : "");
4215 	}
4216 	if (do_ring_perf_limit_reasons) {
4217 		get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr);
4218 		fprintf(outf, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
4219 		fprintf(outf, " (Active: %s%s%s%s%s%s)",
4220 			(msr & 1 << 0) ? "PROCHOT, " : "",
4221 			(msr & 1 << 1) ? "ThermStatus, " : "",
4222 			(msr & 1 << 6) ? "VR-Therm, " : "",
4223 			(msr & 1 << 8) ? "Amps, " : "",
4224 			(msr & 1 << 10) ? "PkgPwrL1, " : "",
4225 			(msr & 1 << 11) ? "PkgPwrL2, " : "");
4226 		fprintf(outf, " (Logged: %s%s%s%s%s%s)\n",
4227 			(msr & 1 << 16) ? "PROCHOT, " : "",
4228 			(msr & 1 << 17) ? "ThermStatus, " : "",
4229 			(msr & 1 << 22) ? "VR-Therm, " : "",
4230 			(msr & 1 << 24) ? "Amps, " : "",
4231 			(msr & 1 << 26) ? "PkgPwrL1, " : "",
4232 			(msr & 1 << 27) ? "PkgPwrL2, " : "");
4233 	}
4234 	return 0;
4235 }
4236 
4237 #define	RAPL_POWER_GRANULARITY	0x7FFF	/* 15 bit power granularity */
4238 #define	RAPL_TIME_GRANULARITY	0x3F /* 6 bit time granularity */
4239 
4240 double get_tdp_intel(unsigned int model)
4241 {
4242 	unsigned long long msr;
4243 
4244 	if (do_rapl & RAPL_PKG_POWER_INFO)
4245 		if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr))
4246 			return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units;
4247 
4248 	switch (model) {
4249 	case INTEL_FAM6_ATOM_SILVERMONT:
4250 	case INTEL_FAM6_ATOM_SILVERMONT_D:
4251 		return 30.0;
4252 	default:
4253 		return 135.0;
4254 	}
4255 }
4256 
4257 double get_tdp_amd(unsigned int family)
4258 {
4259 	/* This is the max stock TDP of HEDT/Server Fam17h+ chips */
4260 	return 280.0;
4261 }
4262 
4263 /*
4264  * rapl_dram_energy_units_probe()
4265  * Energy units are either hard-coded, or come from RAPL Energy Unit MSR.
4266  */
4267 static double
4268 rapl_dram_energy_units_probe(int  model, double rapl_energy_units)
4269 {
4270 	/* only called for genuine_intel, family 6 */
4271 
4272 	switch (model) {
4273 	case INTEL_FAM6_HASWELL_X:	/* HSX */
4274 	case INTEL_FAM6_BROADWELL_X:	/* BDX */
4275 	case INTEL_FAM6_SKYLAKE_X:	/* SKX */
4276 	case INTEL_FAM6_XEON_PHI_KNL:	/* KNL */
4277 		return (rapl_dram_energy_units = 15.3 / 1000000);
4278 	default:
4279 		return (rapl_energy_units);
4280 	}
4281 }
4282 
4283 void rapl_probe_intel(unsigned int family, unsigned int model)
4284 {
4285 	unsigned long long msr;
4286 	unsigned int time_unit;
4287 	double tdp;
4288 
4289 	if (family != 6)
4290 		return;
4291 
4292 	switch (model) {
4293 	case INTEL_FAM6_SANDYBRIDGE:
4294 	case INTEL_FAM6_IVYBRIDGE:
4295 	case INTEL_FAM6_HASWELL:	/* HSW */
4296 	case INTEL_FAM6_HASWELL_L:	/* HSW */
4297 	case INTEL_FAM6_HASWELL_G:	/* HSW */
4298 	case INTEL_FAM6_BROADWELL:	/* BDW */
4299 	case INTEL_FAM6_BROADWELL_G:	/* BDW */
4300 		do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO;
4301 		if (rapl_joules) {
4302 			BIC_PRESENT(BIC_Pkg_J);
4303 			BIC_PRESENT(BIC_Cor_J);
4304 			BIC_PRESENT(BIC_GFX_J);
4305 		} else {
4306 			BIC_PRESENT(BIC_PkgWatt);
4307 			BIC_PRESENT(BIC_CorWatt);
4308 			BIC_PRESENT(BIC_GFXWatt);
4309 		}
4310 		break;
4311 	case INTEL_FAM6_ATOM_GOLDMONT:	/* BXT */
4312 	case INTEL_FAM6_ATOM_GOLDMONT_PLUS:
4313 		do_rapl = RAPL_PKG | RAPL_PKG_POWER_INFO;
4314 		if (rapl_joules)
4315 			BIC_PRESENT(BIC_Pkg_J);
4316 		else
4317 			BIC_PRESENT(BIC_PkgWatt);
4318 		break;
4319 	case INTEL_FAM6_ATOM_TREMONT:	/* EHL */
4320 		do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_GFX | RAPL_PKG_POWER_INFO;
4321 		if (rapl_joules) {
4322 			BIC_PRESENT(BIC_Pkg_J);
4323 			BIC_PRESENT(BIC_Cor_J);
4324 			BIC_PRESENT(BIC_RAM_J);
4325 			BIC_PRESENT(BIC_GFX_J);
4326 		} else {
4327 			BIC_PRESENT(BIC_PkgWatt);
4328 			BIC_PRESENT(BIC_CorWatt);
4329 			BIC_PRESENT(BIC_RAMWatt);
4330 			BIC_PRESENT(BIC_GFXWatt);
4331 		}
4332 		break;
4333 	case INTEL_FAM6_ATOM_TREMONT_D:	/* JVL */
4334 		do_rapl = RAPL_PKG | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO;
4335 		BIC_PRESENT(BIC_PKG__);
4336 		if (rapl_joules)
4337 			BIC_PRESENT(BIC_Pkg_J);
4338 		else
4339 			BIC_PRESENT(BIC_PkgWatt);
4340 		break;
4341 	case INTEL_FAM6_SKYLAKE_L:	/* SKL */
4342 	case INTEL_FAM6_CANNONLAKE_L:	/* CNL */
4343 		do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_GFX | RAPL_PKG_POWER_INFO;
4344 		BIC_PRESENT(BIC_PKG__);
4345 		BIC_PRESENT(BIC_RAM__);
4346 		if (rapl_joules) {
4347 			BIC_PRESENT(BIC_Pkg_J);
4348 			BIC_PRESENT(BIC_Cor_J);
4349 			BIC_PRESENT(BIC_RAM_J);
4350 			BIC_PRESENT(BIC_GFX_J);
4351 		} else {
4352 			BIC_PRESENT(BIC_PkgWatt);
4353 			BIC_PRESENT(BIC_CorWatt);
4354 			BIC_PRESENT(BIC_RAMWatt);
4355 			BIC_PRESENT(BIC_GFXWatt);
4356 		}
4357 		break;
4358 	case INTEL_FAM6_HASWELL_X:	/* HSX */
4359 	case INTEL_FAM6_BROADWELL_X:	/* BDX */
4360 	case INTEL_FAM6_SKYLAKE_X:	/* SKX */
4361 	case INTEL_FAM6_XEON_PHI_KNL:	/* KNL */
4362 		do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO;
4363 		BIC_PRESENT(BIC_PKG__);
4364 		BIC_PRESENT(BIC_RAM__);
4365 		if (rapl_joules) {
4366 			BIC_PRESENT(BIC_Pkg_J);
4367 			BIC_PRESENT(BIC_RAM_J);
4368 		} else {
4369 			BIC_PRESENT(BIC_PkgWatt);
4370 			BIC_PRESENT(BIC_RAMWatt);
4371 		}
4372 		break;
4373 	case INTEL_FAM6_SANDYBRIDGE_X:
4374 	case INTEL_FAM6_IVYBRIDGE_X:
4375 		do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO;
4376 		BIC_PRESENT(BIC_PKG__);
4377 		BIC_PRESENT(BIC_RAM__);
4378 		if (rapl_joules) {
4379 			BIC_PRESENT(BIC_Pkg_J);
4380 			BIC_PRESENT(BIC_Cor_J);
4381 			BIC_PRESENT(BIC_RAM_J);
4382 		} else {
4383 			BIC_PRESENT(BIC_PkgWatt);
4384 			BIC_PRESENT(BIC_CorWatt);
4385 			BIC_PRESENT(BIC_RAMWatt);
4386 		}
4387 		break;
4388 	case INTEL_FAM6_ATOM_SILVERMONT:	/* BYT */
4389 	case INTEL_FAM6_ATOM_SILVERMONT_D:	/* AVN */
4390 		do_rapl = RAPL_PKG | RAPL_CORES;
4391 		if (rapl_joules) {
4392 			BIC_PRESENT(BIC_Pkg_J);
4393 			BIC_PRESENT(BIC_Cor_J);
4394 		} else {
4395 			BIC_PRESENT(BIC_PkgWatt);
4396 			BIC_PRESENT(BIC_CorWatt);
4397 		}
4398 		break;
4399 	case INTEL_FAM6_ATOM_GOLDMONT_D:	/* DNV */
4400 		do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO | RAPL_CORES_ENERGY_STATUS;
4401 		BIC_PRESENT(BIC_PKG__);
4402 		BIC_PRESENT(BIC_RAM__);
4403 		if (rapl_joules) {
4404 			BIC_PRESENT(BIC_Pkg_J);
4405 			BIC_PRESENT(BIC_Cor_J);
4406 			BIC_PRESENT(BIC_RAM_J);
4407 		} else {
4408 			BIC_PRESENT(BIC_PkgWatt);
4409 			BIC_PRESENT(BIC_CorWatt);
4410 			BIC_PRESENT(BIC_RAMWatt);
4411 		}
4412 		break;
4413 	default:
4414 		return;
4415 	}
4416 
4417 	/* units on package 0, verify later other packages match */
4418 	if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr))
4419 		return;
4420 
4421 	rapl_power_units = 1.0 / (1 << (msr & 0xF));
4422 	if (model == INTEL_FAM6_ATOM_SILVERMONT)
4423 		rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000;
4424 	else
4425 		rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
4426 
4427 	rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units);
4428 
4429 	time_unit = msr >> 16 & 0xF;
4430 	if (time_unit == 0)
4431 		time_unit = 0xA;
4432 
4433 	rapl_time_units = 1.0 / (1 << (time_unit));
4434 
4435 	tdp = get_tdp_intel(model);
4436 
4437 	rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
4438 	if (!quiet)
4439 		fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp);
4440 }
4441 
4442 void rapl_probe_amd(unsigned int family, unsigned int model)
4443 {
4444 	unsigned long long msr;
4445 	unsigned int eax, ebx, ecx, edx;
4446 	unsigned int has_rapl = 0;
4447 	double tdp;
4448 
4449 	if (max_extended_level >= 0x80000007) {
4450 		__cpuid(0x80000007, eax, ebx, ecx, edx);
4451 		/* RAPL (Fam 17h+) */
4452 		has_rapl = edx & (1 << 14);
4453 	}
4454 
4455 	if (!has_rapl || family < 0x17)
4456 		return;
4457 
4458 	do_rapl = RAPL_AMD_F17H | RAPL_PER_CORE_ENERGY;
4459 	if (rapl_joules) {
4460 		BIC_PRESENT(BIC_Pkg_J);
4461 		BIC_PRESENT(BIC_Cor_J);
4462 	} else {
4463 		BIC_PRESENT(BIC_PkgWatt);
4464 		BIC_PRESENT(BIC_CorWatt);
4465 	}
4466 
4467 	if (get_msr(base_cpu, MSR_RAPL_PWR_UNIT, &msr))
4468 		return;
4469 
4470 	rapl_time_units = ldexp(1.0, -(msr >> 16 & 0xf));
4471 	rapl_energy_units = ldexp(1.0, -(msr >> 8 & 0x1f));
4472 	rapl_power_units = ldexp(1.0, -(msr & 0xf));
4473 
4474 	tdp = get_tdp_amd(family);
4475 
4476 	rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
4477 	if (!quiet)
4478 		fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp);
4479 }
4480 
4481 /*
4482  * rapl_probe()
4483  *
4484  * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units
4485  */
4486 void rapl_probe(unsigned int family, unsigned int model)
4487 {
4488 	if (genuine_intel)
4489 		rapl_probe_intel(family, model);
4490 	if (authentic_amd || hygon_genuine)
4491 		rapl_probe_amd(family, model);
4492 }
4493 
4494 void perf_limit_reasons_probe(unsigned int family, unsigned int model)
4495 {
4496 	if (!genuine_intel)
4497 		return;
4498 
4499 	if (family != 6)
4500 		return;
4501 
4502 	switch (model) {
4503 	case INTEL_FAM6_HASWELL:	/* HSW */
4504 	case INTEL_FAM6_HASWELL_L:	/* HSW */
4505 	case INTEL_FAM6_HASWELL_G:	/* HSW */
4506 		do_gfx_perf_limit_reasons = 1;
4507 	case INTEL_FAM6_HASWELL_X:	/* HSX */
4508 		do_core_perf_limit_reasons = 1;
4509 		do_ring_perf_limit_reasons = 1;
4510 	default:
4511 		return;
4512 	}
4513 }
4514 
4515 void automatic_cstate_conversion_probe(unsigned int family, unsigned int model)
4516 {
4517 	if (is_skx(family, model) || is_bdx(family, model))
4518 		has_automatic_cstate_conversion = 1;
4519 }
4520 
4521 int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p)
4522 {
4523 	unsigned long long msr;
4524 	unsigned int dts, dts2;
4525 	int cpu;
4526 
4527 	if (!(do_dts || do_ptm))
4528 		return 0;
4529 
4530 	cpu = t->cpu_id;
4531 
4532 	/* DTS is per-core, no need to print for each thread */
4533 	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
4534 		return 0;
4535 
4536 	if (cpu_migrate(cpu)) {
4537 		fprintf(outf, "print_thermal: Could not migrate to CPU %d\n", cpu);
4538 		return -1;
4539 	}
4540 
4541 	if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) {
4542 		if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
4543 			return 0;
4544 
4545 		dts = (msr >> 16) & 0x7F;
4546 		fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n",
4547 			cpu, msr, tcc_activation_temp - dts);
4548 
4549 		if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr))
4550 			return 0;
4551 
4552 		dts = (msr >> 16) & 0x7F;
4553 		dts2 = (msr >> 8) & 0x7F;
4554 		fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
4555 			cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
4556 	}
4557 
4558 
4559 	if (do_dts && debug) {
4560 		unsigned int resolution;
4561 
4562 		if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
4563 			return 0;
4564 
4565 		dts = (msr >> 16) & 0x7F;
4566 		resolution = (msr >> 27) & 0xF;
4567 		fprintf(outf, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n",
4568 			cpu, msr, tcc_activation_temp - dts, resolution);
4569 
4570 		if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr))
4571 			return 0;
4572 
4573 		dts = (msr >> 16) & 0x7F;
4574 		dts2 = (msr >> 8) & 0x7F;
4575 		fprintf(outf, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
4576 			cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
4577 	}
4578 
4579 	return 0;
4580 }
4581 
4582 void print_power_limit_msr(int cpu, unsigned long long msr, char *label)
4583 {
4584 	fprintf(outf, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n",
4585 		cpu, label,
4586 		((msr >> 15) & 1) ? "EN" : "DIS",
4587 		((msr >> 0) & 0x7FFF) * rapl_power_units,
4588 		(1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units,
4589 		(((msr >> 16) & 1) ? "EN" : "DIS"));
4590 
4591 	return;
4592 }
4593 
4594 int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
4595 {
4596 	unsigned long long msr;
4597 	const char *msr_name;
4598 	int cpu;
4599 
4600 	if (!do_rapl)
4601 		return 0;
4602 
4603 	/* RAPL counters are per package, so print only for 1st thread/package */
4604 	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
4605 		return 0;
4606 
4607 	cpu = t->cpu_id;
4608 	if (cpu_migrate(cpu)) {
4609 		fprintf(outf, "print_rapl: Could not migrate to CPU %d\n", cpu);
4610 		return -1;
4611 	}
4612 
4613 	if (do_rapl & RAPL_AMD_F17H) {
4614 		msr_name = "MSR_RAPL_PWR_UNIT";
4615 		if (get_msr(cpu, MSR_RAPL_PWR_UNIT, &msr))
4616 			return -1;
4617 	} else {
4618 		msr_name = "MSR_RAPL_POWER_UNIT";
4619 		if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr))
4620 			return -1;
4621 	}
4622 
4623 	fprintf(outf, "cpu%d: %s: 0x%08llx (%f Watts, %f Joules, %f sec.)\n", cpu, msr_name, msr,
4624 		rapl_power_units, rapl_energy_units, rapl_time_units);
4625 
4626 	if (do_rapl & RAPL_PKG_POWER_INFO) {
4627 
4628 		if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr))
4629                 	return -5;
4630 
4631 
4632 		fprintf(outf, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
4633 			cpu, msr,
4634 			((msr >>  0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
4635 			((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
4636 			((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
4637 			((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
4638 
4639 	}
4640 	if (do_rapl & RAPL_PKG) {
4641 
4642 		if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr))
4643 			return -9;
4644 
4645 		fprintf(outf, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n",
4646 			cpu, msr, (msr >> 63) & 1 ? "" : "UN");
4647 
4648 		print_power_limit_msr(cpu, msr, "PKG Limit #1");
4649 		fprintf(outf, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n",
4650 			cpu,
4651 			((msr >> 47) & 1) ? "EN" : "DIS",
4652 			((msr >> 32) & 0x7FFF) * rapl_power_units,
4653 			(1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units,
4654 			((msr >> 48) & 1) ? "EN" : "DIS");
4655 	}
4656 
4657 	if (do_rapl & RAPL_DRAM_POWER_INFO) {
4658 		if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr))
4659                 	return -6;
4660 
4661 		fprintf(outf, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
4662 			cpu, msr,
4663 			((msr >>  0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
4664 			((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
4665 			((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
4666 			((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
4667 	}
4668 	if (do_rapl & RAPL_DRAM) {
4669 		if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr))
4670 			return -9;
4671 		fprintf(outf, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n",
4672 				cpu, msr, (msr >> 31) & 1 ? "" : "UN");
4673 
4674 		print_power_limit_msr(cpu, msr, "DRAM Limit");
4675 	}
4676 	if (do_rapl & RAPL_CORE_POLICY) {
4677 		if (get_msr(cpu, MSR_PP0_POLICY, &msr))
4678 			return -7;
4679 
4680 		fprintf(outf, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF);
4681 	}
4682 	if (do_rapl & RAPL_CORES_POWER_LIMIT) {
4683 		if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr))
4684 			return -9;
4685 		fprintf(outf, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n",
4686 				cpu, msr, (msr >> 31) & 1 ? "" : "UN");
4687 		print_power_limit_msr(cpu, msr, "Cores Limit");
4688 	}
4689 	if (do_rapl & RAPL_GFX) {
4690 		if (get_msr(cpu, MSR_PP1_POLICY, &msr))
4691 			return -8;
4692 
4693 		fprintf(outf, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF);
4694 
4695 		if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr))
4696 			return -9;
4697 		fprintf(outf, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n",
4698 				cpu, msr, (msr >> 31) & 1 ? "" : "UN");
4699 		print_power_limit_msr(cpu, msr, "GFX Limit");
4700 	}
4701 	return 0;
4702 }
4703 
4704 /*
4705  * SNB adds support for additional MSRs:
4706  *
4707  * MSR_PKG_C7_RESIDENCY            0x000003fa
4708  * MSR_CORE_C7_RESIDENCY           0x000003fe
4709  * MSR_PKG_C2_RESIDENCY            0x0000060d
4710  */
4711 
4712 int has_snb_msrs(unsigned int family, unsigned int model)
4713 {
4714 	if (!genuine_intel)
4715 		return 0;
4716 
4717 	switch (model) {
4718 	case INTEL_FAM6_SANDYBRIDGE:
4719 	case INTEL_FAM6_SANDYBRIDGE_X:
4720 	case INTEL_FAM6_IVYBRIDGE:		/* IVB */
4721 	case INTEL_FAM6_IVYBRIDGE_X:		/* IVB Xeon */
4722 	case INTEL_FAM6_HASWELL:		/* HSW */
4723 	case INTEL_FAM6_HASWELL_X:		/* HSW */
4724 	case INTEL_FAM6_HASWELL_L:		/* HSW */
4725 	case INTEL_FAM6_HASWELL_G:		/* HSW */
4726 	case INTEL_FAM6_BROADWELL:		/* BDW */
4727 	case INTEL_FAM6_BROADWELL_G:		/* BDW */
4728 	case INTEL_FAM6_BROADWELL_X:		/* BDX */
4729 	case INTEL_FAM6_SKYLAKE_L:		/* SKL */
4730 	case INTEL_FAM6_CANNONLAKE_L:		/* CNL */
4731 	case INTEL_FAM6_SKYLAKE_X:		/* SKX */
4732 	case INTEL_FAM6_ATOM_GOLDMONT:		/* BXT */
4733 	case INTEL_FAM6_ATOM_GOLDMONT_PLUS:
4734 	case INTEL_FAM6_ATOM_GOLDMONT_D:	/* DNV */
4735 	case INTEL_FAM6_ATOM_TREMONT:		/* EHL */
4736 	case INTEL_FAM6_ATOM_TREMONT_D:		/* JVL */
4737 		return 1;
4738 	}
4739 	return 0;
4740 }
4741 
4742 /*
4743  * HSW ULT added support for C8/C9/C10 MSRs:
4744  *
4745  * MSR_PKG_C8_RESIDENCY		0x00000630
4746  * MSR_PKG_C9_RESIDENCY		0x00000631
4747  * MSR_PKG_C10_RESIDENCY	0x00000632
4748  *
4749  * MSR_PKGC8_IRTL		0x00000633
4750  * MSR_PKGC9_IRTL		0x00000634
4751  * MSR_PKGC10_IRTL		0x00000635
4752  *
4753  */
4754 int has_c8910_msrs(unsigned int family, unsigned int model)
4755 {
4756 	if (!genuine_intel)
4757 		return 0;
4758 
4759 	switch (model) {
4760 	case INTEL_FAM6_HASWELL_L:	/* HSW */
4761 	case INTEL_FAM6_BROADWELL:	/* BDW */
4762 	case INTEL_FAM6_SKYLAKE_L:	/* SKL */
4763 	case INTEL_FAM6_CANNONLAKE_L:	/* CNL */
4764 	case INTEL_FAM6_ATOM_GOLDMONT:	/* BXT */
4765 	case INTEL_FAM6_ATOM_GOLDMONT_PLUS:
4766 	case INTEL_FAM6_ATOM_TREMONT:	/* EHL */
4767 		return 1;
4768 	}
4769 	return 0;
4770 }
4771 
4772 /*
4773  * SKL adds support for additional MSRS:
4774  *
4775  * MSR_PKG_WEIGHTED_CORE_C0_RES    0x00000658
4776  * MSR_PKG_ANY_CORE_C0_RES         0x00000659
4777  * MSR_PKG_ANY_GFXE_C0_RES         0x0000065A
4778  * MSR_PKG_BOTH_CORE_GFXE_C0_RES   0x0000065B
4779  */
4780 int has_skl_msrs(unsigned int family, unsigned int model)
4781 {
4782 	if (!genuine_intel)
4783 		return 0;
4784 
4785 	switch (model) {
4786 	case INTEL_FAM6_SKYLAKE_L:	/* SKL */
4787 	case INTEL_FAM6_CANNONLAKE_L:	/* CNL */
4788 		return 1;
4789 	}
4790 	return 0;
4791 }
4792 
4793 int is_slm(unsigned int family, unsigned int model)
4794 {
4795 	if (!genuine_intel)
4796 		return 0;
4797 	switch (model) {
4798 	case INTEL_FAM6_ATOM_SILVERMONT:	/* BYT */
4799 	case INTEL_FAM6_ATOM_SILVERMONT_D:	/* AVN */
4800 		return 1;
4801 	}
4802 	return 0;
4803 }
4804 
4805 int is_knl(unsigned int family, unsigned int model)
4806 {
4807 	if (!genuine_intel)
4808 		return 0;
4809 	switch (model) {
4810 	case INTEL_FAM6_XEON_PHI_KNL:	/* KNL */
4811 		return 1;
4812 	}
4813 	return 0;
4814 }
4815 
4816 int is_cnl(unsigned int family, unsigned int model)
4817 {
4818 	if (!genuine_intel)
4819 		return 0;
4820 
4821 	switch (model) {
4822 	case INTEL_FAM6_CANNONLAKE_L: /* CNL */
4823 		return 1;
4824 	}
4825 
4826 	return 0;
4827 }
4828 
4829 unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model)
4830 {
4831 	if (is_knl(family, model))
4832 		return 1024;
4833 	return 1;
4834 }
4835 
4836 #define SLM_BCLK_FREQS 5
4837 double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0};
4838 
4839 double slm_bclk(void)
4840 {
4841 	unsigned long long msr = 3;
4842 	unsigned int i;
4843 	double freq;
4844 
4845 	if (get_msr(base_cpu, MSR_FSB_FREQ, &msr))
4846 		fprintf(outf, "SLM BCLK: unknown\n");
4847 
4848 	i = msr & 0xf;
4849 	if (i >= SLM_BCLK_FREQS) {
4850 		fprintf(outf, "SLM BCLK[%d] invalid\n", i);
4851 		i = 3;
4852 	}
4853 	freq = slm_freq_table[i];
4854 
4855 	if (!quiet)
4856 		fprintf(outf, "SLM BCLK: %.1f Mhz\n", freq);
4857 
4858 	return freq;
4859 }
4860 
4861 double discover_bclk(unsigned int family, unsigned int model)
4862 {
4863 	if (has_snb_msrs(family, model) || is_knl(family, model))
4864 		return 100.00;
4865 	else if (is_slm(family, model))
4866 		return slm_bclk();
4867 	else
4868 		return 133.33;
4869 }
4870 
4871 /*
4872  * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where
4873  * the Thermal Control Circuit (TCC) activates.
4874  * This is usually equal to tjMax.
4875  *
4876  * Older processors do not have this MSR, so there we guess,
4877  * but also allow cmdline over-ride with -T.
4878  *
4879  * Several MSR temperature values are in units of degrees-C
4880  * below this value, including the Digital Thermal Sensor (DTS),
4881  * Package Thermal Management Sensor (PTM), and thermal event thresholds.
4882  */
4883 int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p)
4884 {
4885 	unsigned long long msr;
4886 	unsigned int target_c_local;
4887 	int cpu;
4888 
4889 	/* tcc_activation_temp is used only for dts or ptm */
4890 	if (!(do_dts || do_ptm))
4891 		return 0;
4892 
4893 	/* this is a per-package concept */
4894 	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
4895 		return 0;
4896 
4897 	cpu = t->cpu_id;
4898 	if (cpu_migrate(cpu)) {
4899 		fprintf(outf, "Could not migrate to CPU %d\n", cpu);
4900 		return -1;
4901 	}
4902 
4903 	if (tcc_activation_temp_override != 0) {
4904 		tcc_activation_temp = tcc_activation_temp_override;
4905 		fprintf(outf, "cpu%d: Using cmdline TCC Target (%d C)\n",
4906 			cpu, tcc_activation_temp);
4907 		return 0;
4908 	}
4909 
4910 	/* Temperature Target MSR is Nehalem and newer only */
4911 	if (!do_nhm_platform_info)
4912 		goto guess;
4913 
4914 	if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr))
4915 		goto guess;
4916 
4917 	target_c_local = (msr >> 16) & 0xFF;
4918 
4919 	if (!quiet)
4920 		fprintf(outf, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n",
4921 			cpu, msr, target_c_local);
4922 
4923 	if (!target_c_local)
4924 		goto guess;
4925 
4926 	tcc_activation_temp = target_c_local;
4927 
4928 	return 0;
4929 
4930 guess:
4931 	tcc_activation_temp = TJMAX_DEFAULT;
4932 	fprintf(outf, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n",
4933 		cpu, tcc_activation_temp);
4934 
4935 	return 0;
4936 }
4937 
4938 void decode_feature_control_msr(void)
4939 {
4940 	unsigned long long msr;
4941 
4942 	if (!get_msr(base_cpu, MSR_IA32_FEAT_CTL, &msr))
4943 		fprintf(outf, "cpu%d: MSR_IA32_FEATURE_CONTROL: 0x%08llx (%sLocked %s)\n",
4944 			base_cpu, msr,
4945 			msr & FEAT_CTL_LOCKED ? "" : "UN-",
4946 			msr & (1 << 18) ? "SGX" : "");
4947 }
4948 
4949 void decode_misc_enable_msr(void)
4950 {
4951 	unsigned long long msr;
4952 
4953 	if (!genuine_intel)
4954 		return;
4955 
4956 	if (!get_msr(base_cpu, MSR_IA32_MISC_ENABLE, &msr))
4957 		fprintf(outf, "cpu%d: MSR_IA32_MISC_ENABLE: 0x%08llx (%sTCC %sEIST %sMWAIT %sPREFETCH %sTURBO)\n",
4958 			base_cpu, msr,
4959 			msr & MSR_IA32_MISC_ENABLE_TM1 ? "" : "No-",
4960 			msr & MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP ? "" : "No-",
4961 			msr & MSR_IA32_MISC_ENABLE_MWAIT ? "" : "No-",
4962 			msr & MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE ? "No-" : "",
4963 			msr & MSR_IA32_MISC_ENABLE_TURBO_DISABLE ? "No-" : "");
4964 }
4965 
4966 void decode_misc_feature_control(void)
4967 {
4968 	unsigned long long msr;
4969 
4970 	if (!has_misc_feature_control)
4971 		return;
4972 
4973 	if (!get_msr(base_cpu, MSR_MISC_FEATURE_CONTROL, &msr))
4974 		fprintf(outf, "cpu%d: MSR_MISC_FEATURE_CONTROL: 0x%08llx (%sL2-Prefetch %sL2-Prefetch-pair %sL1-Prefetch %sL1-IP-Prefetch)\n",
4975 			base_cpu, msr,
4976 			msr & (0 << 0) ? "No-" : "",
4977 			msr & (1 << 0) ? "No-" : "",
4978 			msr & (2 << 0) ? "No-" : "",
4979 			msr & (3 << 0) ? "No-" : "");
4980 }
4981 /*
4982  * Decode MSR_MISC_PWR_MGMT
4983  *
4984  * Decode the bits according to the Nehalem documentation
4985  * bit[0] seems to continue to have same meaning going forward
4986  * bit[1] less so...
4987  */
4988 void decode_misc_pwr_mgmt_msr(void)
4989 {
4990 	unsigned long long msr;
4991 
4992 	if (!do_nhm_platform_info)
4993 		return;
4994 
4995 	if (no_MSR_MISC_PWR_MGMT)
4996 		return;
4997 
4998 	if (!get_msr(base_cpu, MSR_MISC_PWR_MGMT, &msr))
4999 		fprintf(outf, "cpu%d: MSR_MISC_PWR_MGMT: 0x%08llx (%sable-EIST_Coordination %sable-EPB %sable-OOB)\n",
5000 			base_cpu, msr,
5001 			msr & (1 << 0) ? "DIS" : "EN",
5002 			msr & (1 << 1) ? "EN" : "DIS",
5003 			msr & (1 << 8) ? "EN" : "DIS");
5004 }
5005 /*
5006  * Decode MSR_CC6_DEMOTION_POLICY_CONFIG, MSR_MC6_DEMOTION_POLICY_CONFIG
5007  *
5008  * This MSRs are present on Silvermont processors,
5009  * Intel Atom processor E3000 series (Baytrail), and friends.
5010  */
5011 void decode_c6_demotion_policy_msr(void)
5012 {
5013 	unsigned long long msr;
5014 
5015 	if (!get_msr(base_cpu, MSR_CC6_DEMOTION_POLICY_CONFIG, &msr))
5016 		fprintf(outf, "cpu%d: MSR_CC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-CC6-Demotion)\n",
5017 			base_cpu, msr, msr & (1 << 0) ? "EN" : "DIS");
5018 
5019 	if (!get_msr(base_cpu, MSR_MC6_DEMOTION_POLICY_CONFIG, &msr))
5020 		fprintf(outf, "cpu%d: MSR_MC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-MC6-Demotion)\n",
5021 			base_cpu, msr, msr & (1 << 0) ? "EN" : "DIS");
5022 }
5023 
5024 /*
5025  * When models are the same, for the purpose of turbostat, reuse
5026  */
5027 unsigned int intel_model_duplicates(unsigned int model)
5028 {
5029 
5030 	switch(model) {
5031 	case INTEL_FAM6_NEHALEM_EP:	/* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */
5032 	case INTEL_FAM6_NEHALEM:	/* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */
5033 	case 0x1F:	/* Core i7 and i5 Processor - Nehalem */
5034 	case INTEL_FAM6_WESTMERE:	/* Westmere Client - Clarkdale, Arrandale */
5035 	case INTEL_FAM6_WESTMERE_EP:	/* Westmere EP - Gulftown */
5036 		return INTEL_FAM6_NEHALEM;
5037 
5038 	case INTEL_FAM6_NEHALEM_EX:	/* Nehalem-EX Xeon - Beckton */
5039 	case INTEL_FAM6_WESTMERE_EX:	/* Westmere-EX Xeon - Eagleton */
5040 		return INTEL_FAM6_NEHALEM_EX;
5041 
5042 	case INTEL_FAM6_XEON_PHI_KNM:
5043 		return INTEL_FAM6_XEON_PHI_KNL;
5044 
5045 	case INTEL_FAM6_BROADWELL_X:
5046 	case INTEL_FAM6_BROADWELL_D:	/* BDX-DE */
5047 		return INTEL_FAM6_BROADWELL_X;
5048 
5049 	case INTEL_FAM6_SKYLAKE_L:
5050 	case INTEL_FAM6_SKYLAKE:
5051 	case INTEL_FAM6_KABYLAKE_L:
5052 	case INTEL_FAM6_KABYLAKE:
5053 	case INTEL_FAM6_COMETLAKE_L:
5054 	case INTEL_FAM6_COMETLAKE:
5055 		return INTEL_FAM6_SKYLAKE_L;
5056 
5057 	case INTEL_FAM6_ICELAKE_L:
5058 	case INTEL_FAM6_ICELAKE_NNPI:
5059 	case INTEL_FAM6_TIGERLAKE_L:
5060 	case INTEL_FAM6_TIGERLAKE:
5061 	case INTEL_FAM6_ROCKETLAKE:
5062 	case INTEL_FAM6_LAKEFIELD:
5063 	case INTEL_FAM6_ALDERLAKE:
5064 	case INTEL_FAM6_ALDERLAKE_L:
5065 		return INTEL_FAM6_CANNONLAKE_L;
5066 
5067 	case INTEL_FAM6_ATOM_TREMONT_L:
5068 		return INTEL_FAM6_ATOM_TREMONT;
5069 
5070 	case INTEL_FAM6_ICELAKE_X:
5071 	case INTEL_FAM6_ICELAKE_D:
5072 	case INTEL_FAM6_SAPPHIRERAPIDS_X:
5073 		return INTEL_FAM6_SKYLAKE_X;
5074 	}
5075 	return model;
5076 }
5077 
5078 void print_dev_latency(void)
5079 {
5080 	char *path = "/dev/cpu_dma_latency";
5081 	int fd;
5082 	int value;
5083 	int retval;
5084 
5085 	fd = open(path, O_RDONLY);
5086 	if (fd < 0) {
5087 		warn("fopen %s\n", path);
5088 		return;
5089 	}
5090 
5091 	retval = read(fd, (void *)&value, sizeof(int));
5092 	if (retval != sizeof(int)) {
5093 		warn("read %s\n", path);
5094 		close(fd);
5095 		return;
5096 	}
5097 	fprintf(outf, "/dev/cpu_dma_latency: %d usec (%s)\n",
5098 		value, value == 2000000000 ? "default" : "constrained");
5099 
5100 	close(fd);
5101 }
5102 
5103 
5104 /*
5105  * Linux-perf manages the the HW instructions-retired counter
5106  * by enabling when requested, and hiding rollover
5107  */
5108 void linux_perf_init(void)
5109 {
5110 	if (!BIC_IS_ENABLED(BIC_IPC))
5111 		return;
5112 
5113 	if (access("/proc/sys/kernel/perf_event_paranoid", F_OK))
5114 		return;
5115 
5116 	fd_instr_count_percpu = calloc(topo.max_cpu_num + 1, sizeof(int));
5117 	if (fd_instr_count_percpu == NULL)
5118 		err(-1, "calloc fd_instr_count_percpu");
5119 
5120 	BIC_PRESENT(BIC_IPC);
5121 }
5122 
5123 void process_cpuid()
5124 {
5125 	unsigned int eax, ebx, ecx, edx;
5126 	unsigned int fms, family, model, stepping, ecx_flags, edx_flags;
5127 	unsigned int has_turbo;
5128 	unsigned long long ucode_patch = 0;
5129 
5130 	eax = ebx = ecx = edx = 0;
5131 
5132 	__cpuid(0, max_level, ebx, ecx, edx);
5133 
5134 	if (ebx == 0x756e6547 && ecx == 0x6c65746e && edx == 0x49656e69)
5135 		genuine_intel = 1;
5136 	else if (ebx == 0x68747541 && ecx == 0x444d4163 && edx == 0x69746e65)
5137 		authentic_amd = 1;
5138 	else if (ebx == 0x6f677948 && ecx == 0x656e6975 && edx == 0x6e65476e)
5139 		hygon_genuine = 1;
5140 
5141 	if (!quiet)
5142 		fprintf(outf, "CPUID(0): %.4s%.4s%.4s 0x%x CPUID levels\n",
5143 			(char *)&ebx, (char *)&edx, (char *)&ecx, max_level);
5144 
5145 	__cpuid(1, fms, ebx, ecx, edx);
5146 	family = (fms >> 8) & 0xf;
5147 	model = (fms >> 4) & 0xf;
5148 	stepping = fms & 0xf;
5149 	if (family == 0xf)
5150 		family += (fms >> 20) & 0xff;
5151 	if (family >= 6)
5152 		model += ((fms >> 16) & 0xf) << 4;
5153 	ecx_flags = ecx;
5154 	edx_flags = edx;
5155 
5156 	if (get_msr(sched_getcpu(), MSR_IA32_UCODE_REV, &ucode_patch))
5157 		warnx("get_msr(UCODE)\n");
5158 
5159 	/*
5160 	 * check max extended function levels of CPUID.
5161 	 * This is needed to check for invariant TSC.
5162 	 * This check is valid for both Intel and AMD.
5163 	 */
5164 	ebx = ecx = edx = 0;
5165 	__cpuid(0x80000000, max_extended_level, ebx, ecx, edx);
5166 
5167 	if (!quiet) {
5168 		fprintf(outf, "CPUID(1): family:model:stepping 0x%x:%x:%x (%d:%d:%d) microcode 0x%x\n",
5169 			family, model, stepping, family, model, stepping, (unsigned int)((ucode_patch >> 32) & 0xFFFFFFFF));
5170 		fprintf(outf, "CPUID(0x80000000): max_extended_levels: 0x%x\n", max_extended_level);
5171 		fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s %s %s\n",
5172 			ecx_flags & (1 << 0) ? "SSE3" : "-",
5173 			ecx_flags & (1 << 3) ? "MONITOR" : "-",
5174 			ecx_flags & (1 << 6) ? "SMX" : "-",
5175 			ecx_flags & (1 << 7) ? "EIST" : "-",
5176 			ecx_flags & (1 << 8) ? "TM2" : "-",
5177 			edx_flags & (1 << 4) ? "TSC" : "-",
5178 			edx_flags & (1 << 5) ? "MSR" : "-",
5179 			edx_flags & (1 << 22) ? "ACPI-TM" : "-",
5180 			edx_flags & (1 << 28) ? "HT" : "-",
5181 			edx_flags & (1 << 29) ? "TM" : "-");
5182 	}
5183 	if (genuine_intel)
5184 		model = intel_model_duplicates(model);
5185 
5186 	if (!(edx_flags & (1 << 5)))
5187 		errx(1, "CPUID: no MSR");
5188 
5189 	if (max_extended_level >= 0x80000007) {
5190 
5191 		/*
5192 		 * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8
5193 		 * this check is valid for both Intel and AMD
5194 		 */
5195 		__cpuid(0x80000007, eax, ebx, ecx, edx);
5196 		has_invariant_tsc = edx & (1 << 8);
5197 	}
5198 
5199 	/*
5200 	 * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0
5201 	 * this check is valid for both Intel and AMD
5202 	 */
5203 
5204 	__cpuid(0x6, eax, ebx, ecx, edx);
5205 	has_aperf = ecx & (1 << 0);
5206 	if (has_aperf) {
5207 		BIC_PRESENT(BIC_Avg_MHz);
5208 		BIC_PRESENT(BIC_Busy);
5209 		BIC_PRESENT(BIC_Bzy_MHz);
5210 	}
5211 	do_dts = eax & (1 << 0);
5212 	if (do_dts)
5213 		BIC_PRESENT(BIC_CoreTmp);
5214 	has_turbo = eax & (1 << 1);
5215 	do_ptm = eax & (1 << 6);
5216 	if (do_ptm)
5217 		BIC_PRESENT(BIC_PkgTmp);
5218 	has_hwp = eax & (1 << 7);
5219 	has_hwp_notify = eax & (1 << 8);
5220 	has_hwp_activity_window = eax & (1 << 9);
5221 	has_hwp_epp = eax & (1 << 10);
5222 	has_hwp_pkg = eax & (1 << 11);
5223 	has_epb = ecx & (1 << 3);
5224 
5225 	if (!quiet)
5226 		fprintf(outf, "CPUID(6): %sAPERF, %sTURBO, %sDTS, %sPTM, %sHWP, "
5227 			"%sHWPnotify, %sHWPwindow, %sHWPepp, %sHWPpkg, %sEPB\n",
5228 			has_aperf ? "" : "No-",
5229 			has_turbo ? "" : "No-",
5230 			do_dts ? "" : "No-",
5231 			do_ptm ? "" : "No-",
5232 			has_hwp ? "" : "No-",
5233 			has_hwp_notify ? "" : "No-",
5234 			has_hwp_activity_window ? "" : "No-",
5235 			has_hwp_epp ? "" : "No-",
5236 			has_hwp_pkg ? "" : "No-",
5237 			has_epb ? "" : "No-");
5238 
5239 	if (!quiet)
5240 		decode_misc_enable_msr();
5241 
5242 
5243 	if (max_level >= 0x7 && !quiet) {
5244 		int has_sgx;
5245 
5246 		ecx = 0;
5247 
5248 		__cpuid_count(0x7, 0, eax, ebx, ecx, edx);
5249 
5250 		has_sgx = ebx & (1 << 2);
5251 		fprintf(outf, "CPUID(7): %sSGX\n", has_sgx ? "" : "No-");
5252 
5253 		if (has_sgx)
5254 			decode_feature_control_msr();
5255 	}
5256 
5257 	if (max_level >= 0x15) {
5258 		unsigned int eax_crystal;
5259 		unsigned int ebx_tsc;
5260 
5261 		/*
5262 		 * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz
5263 		 */
5264 		eax_crystal = ebx_tsc = crystal_hz = edx = 0;
5265 		__cpuid(0x15, eax_crystal, ebx_tsc, crystal_hz, edx);
5266 
5267 		if (ebx_tsc != 0) {
5268 
5269 			if (!quiet && (ebx != 0))
5270 				fprintf(outf, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n",
5271 					eax_crystal, ebx_tsc, crystal_hz);
5272 
5273 			if (crystal_hz == 0)
5274 				switch(model) {
5275 				case INTEL_FAM6_SKYLAKE_L:	/* SKL */
5276 					crystal_hz = 24000000;	/* 24.0 MHz */
5277 					break;
5278 				case INTEL_FAM6_ATOM_GOLDMONT_D:	/* DNV */
5279 					crystal_hz = 25000000;	/* 25.0 MHz */
5280 					break;
5281 				case INTEL_FAM6_ATOM_GOLDMONT:	/* BXT */
5282 				case INTEL_FAM6_ATOM_GOLDMONT_PLUS:
5283 					crystal_hz = 19200000;	/* 19.2 MHz */
5284 					break;
5285 				default:
5286 					crystal_hz = 0;
5287 			}
5288 
5289 			if (crystal_hz) {
5290 				tsc_hz =  (unsigned long long) crystal_hz * ebx_tsc / eax_crystal;
5291 				if (!quiet)
5292 					fprintf(outf, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n",
5293 						tsc_hz / 1000000, crystal_hz, ebx_tsc,  eax_crystal);
5294 			}
5295 		}
5296 	}
5297 	if (max_level >= 0x16) {
5298 		unsigned int base_mhz, max_mhz, bus_mhz, edx;
5299 
5300 		/*
5301 		 * CPUID 16H Base MHz, Max MHz, Bus MHz
5302 		 */
5303 		base_mhz = max_mhz = bus_mhz = edx = 0;
5304 
5305 		__cpuid(0x16, base_mhz, max_mhz, bus_mhz, edx);
5306 		if (!quiet)
5307 			fprintf(outf, "CPUID(0x16): base_mhz: %d max_mhz: %d bus_mhz: %d\n",
5308 				base_mhz, max_mhz, bus_mhz);
5309 	}
5310 
5311 	if (has_aperf)
5312 		aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model);
5313 
5314 	BIC_PRESENT(BIC_IRQ);
5315 	BIC_PRESENT(BIC_TSC_MHz);
5316 
5317 	if (probe_nhm_msrs(family, model)) {
5318 		do_nhm_platform_info = 1;
5319 		BIC_PRESENT(BIC_CPU_c1);
5320 		BIC_PRESENT(BIC_CPU_c3);
5321 		BIC_PRESENT(BIC_CPU_c6);
5322 		BIC_PRESENT(BIC_SMI);
5323 	}
5324 	do_snb_cstates = has_snb_msrs(family, model);
5325 
5326 	if (do_snb_cstates)
5327 		BIC_PRESENT(BIC_CPU_c7);
5328 
5329 	do_irtl_snb = has_snb_msrs(family, model);
5330 	if (do_snb_cstates && (pkg_cstate_limit >= PCL__2))
5331 		BIC_PRESENT(BIC_Pkgpc2);
5332 	if (pkg_cstate_limit >= PCL__3)
5333 		BIC_PRESENT(BIC_Pkgpc3);
5334 	if (pkg_cstate_limit >= PCL__6)
5335 		BIC_PRESENT(BIC_Pkgpc6);
5336 	if (do_snb_cstates && (pkg_cstate_limit >= PCL__7))
5337 		BIC_PRESENT(BIC_Pkgpc7);
5338 	if (has_slv_msrs(family, model)) {
5339 		BIC_NOT_PRESENT(BIC_Pkgpc2);
5340 		BIC_NOT_PRESENT(BIC_Pkgpc3);
5341 		BIC_PRESENT(BIC_Pkgpc6);
5342 		BIC_NOT_PRESENT(BIC_Pkgpc7);
5343 		BIC_PRESENT(BIC_Mod_c6);
5344 		use_c1_residency_msr = 1;
5345 	}
5346 	if (is_jvl(family, model)) {
5347 		BIC_NOT_PRESENT(BIC_CPU_c3);
5348 		BIC_NOT_PRESENT(BIC_CPU_c7);
5349 		BIC_NOT_PRESENT(BIC_Pkgpc2);
5350 		BIC_NOT_PRESENT(BIC_Pkgpc3);
5351 		BIC_NOT_PRESENT(BIC_Pkgpc6);
5352 		BIC_NOT_PRESENT(BIC_Pkgpc7);
5353 	}
5354 	if (is_dnv(family, model)) {
5355 		BIC_PRESENT(BIC_CPU_c1);
5356 		BIC_NOT_PRESENT(BIC_CPU_c3);
5357 		BIC_NOT_PRESENT(BIC_Pkgpc3);
5358 		BIC_NOT_PRESENT(BIC_CPU_c7);
5359 		BIC_NOT_PRESENT(BIC_Pkgpc7);
5360 		use_c1_residency_msr = 1;
5361 	}
5362 	if (is_skx(family, model)) {
5363 		BIC_NOT_PRESENT(BIC_CPU_c3);
5364 		BIC_NOT_PRESENT(BIC_Pkgpc3);
5365 		BIC_NOT_PRESENT(BIC_CPU_c7);
5366 		BIC_NOT_PRESENT(BIC_Pkgpc7);
5367 	}
5368 	if (is_bdx(family, model)) {
5369 		BIC_NOT_PRESENT(BIC_CPU_c7);
5370 		BIC_NOT_PRESENT(BIC_Pkgpc7);
5371 	}
5372 	if (has_c8910_msrs(family, model)) {
5373 		if (pkg_cstate_limit >= PCL__8)
5374 			BIC_PRESENT(BIC_Pkgpc8);
5375 		if (pkg_cstate_limit >= PCL__9)
5376 			BIC_PRESENT(BIC_Pkgpc9);
5377 		if (pkg_cstate_limit >= PCL_10)
5378 			BIC_PRESENT(BIC_Pkgpc10);
5379 	}
5380 	do_irtl_hsw = has_c8910_msrs(family, model);
5381 	if (has_skl_msrs(family, model)) {
5382 		BIC_PRESENT(BIC_Totl_c0);
5383 		BIC_PRESENT(BIC_Any_c0);
5384 		BIC_PRESENT(BIC_GFX_c0);
5385 		BIC_PRESENT(BIC_CPUGFX);
5386 	}
5387 	do_slm_cstates = is_slm(family, model);
5388 	do_knl_cstates  = is_knl(family, model);
5389 
5390 	if (do_slm_cstates || do_knl_cstates || is_cnl(family, model) ||
5391 	    is_ehl(family, model))
5392 		BIC_NOT_PRESENT(BIC_CPU_c3);
5393 
5394 	if (!quiet)
5395 		decode_misc_pwr_mgmt_msr();
5396 
5397 	if (!quiet && has_slv_msrs(family, model))
5398 		decode_c6_demotion_policy_msr();
5399 
5400 	rapl_probe(family, model);
5401 	perf_limit_reasons_probe(family, model);
5402 	automatic_cstate_conversion_probe(family, model);
5403 
5404 	if (!quiet)
5405 		dump_cstate_pstate_config_info(family, model);
5406 
5407 	if (!quiet)
5408 		print_dev_latency();
5409 	if (!quiet)
5410 		dump_sysfs_cstate_config();
5411 	if (!quiet)
5412 		dump_sysfs_pstate_config();
5413 
5414 	if (has_skl_msrs(family, model))
5415 		calculate_tsc_tweak();
5416 
5417 	if (!access("/sys/class/drm/card0/power/rc6_residency_ms", R_OK))
5418 		BIC_PRESENT(BIC_GFX_rc6);
5419 
5420 	if (!access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK))
5421 		BIC_PRESENT(BIC_GFXMHz);
5422 
5423 	if (!access("/sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz", R_OK))
5424 		BIC_PRESENT(BIC_GFXACTMHz);
5425 
5426 	if (!access("/sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us", R_OK))
5427 		BIC_PRESENT(BIC_CPU_LPI);
5428 	else
5429 		BIC_NOT_PRESENT(BIC_CPU_LPI);
5430 
5431 	if (!access(sys_lpi_file_sysfs, R_OK)) {
5432 		sys_lpi_file = sys_lpi_file_sysfs;
5433 		BIC_PRESENT(BIC_SYS_LPI);
5434 	} else if (!access(sys_lpi_file_debugfs, R_OK)) {
5435 		sys_lpi_file = sys_lpi_file_debugfs;
5436 		BIC_PRESENT(BIC_SYS_LPI);
5437 	} else {
5438 		sys_lpi_file_sysfs = NULL;
5439 		BIC_NOT_PRESENT(BIC_SYS_LPI);
5440 	}
5441 
5442 	if (!quiet)
5443 		decode_misc_feature_control();
5444 
5445 	return;
5446 }
5447 
5448 /*
5449  * in /dev/cpu/ return success for names that are numbers
5450  * ie. filter out ".", "..", "microcode".
5451  */
5452 int dir_filter(const struct dirent *dirp)
5453 {
5454 	if (isdigit(dirp->d_name[0]))
5455 		return 1;
5456 	else
5457 		return 0;
5458 }
5459 
5460 int open_dev_cpu_msr(int dummy1)
5461 {
5462 	return 0;
5463 }
5464 
5465 void topology_probe()
5466 {
5467 	int i;
5468 	int max_core_id = 0;
5469 	int max_package_id = 0;
5470 	int max_die_id = 0;
5471 	int max_siblings = 0;
5472 
5473 	/* Initialize num_cpus, max_cpu_num */
5474 	set_max_cpu_num();
5475 	topo.num_cpus = 0;
5476 	for_all_proc_cpus(count_cpus);
5477 	if (!summary_only && topo.num_cpus > 1)
5478 		BIC_PRESENT(BIC_CPU);
5479 
5480 	if (debug > 1)
5481 		fprintf(outf, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num);
5482 
5483 	cpus = calloc(1, (topo.max_cpu_num  + 1) * sizeof(struct cpu_topology));
5484 	if (cpus == NULL)
5485 		err(1, "calloc cpus");
5486 
5487 	/*
5488 	 * Allocate and initialize cpu_present_set
5489 	 */
5490 	cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1));
5491 	if (cpu_present_set == NULL)
5492 		err(3, "CPU_ALLOC");
5493 	cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
5494 	CPU_ZERO_S(cpu_present_setsize, cpu_present_set);
5495 	for_all_proc_cpus(mark_cpu_present);
5496 
5497 	/*
5498 	 * Validate that all cpus in cpu_subset are also in cpu_present_set
5499 	 */
5500 	for (i = 0; i < CPU_SUBSET_MAXCPUS; ++i) {
5501 		if (CPU_ISSET_S(i, cpu_subset_size, cpu_subset))
5502 			if (!CPU_ISSET_S(i, cpu_present_setsize, cpu_present_set))
5503 				err(1, "cpu%d not present", i);
5504 	}
5505 
5506 	/*
5507 	 * Allocate and initialize cpu_affinity_set
5508 	 */
5509 	cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1));
5510 	if (cpu_affinity_set == NULL)
5511 		err(3, "CPU_ALLOC");
5512 	cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
5513 	CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
5514 
5515 	for_all_proc_cpus(init_thread_id);
5516 
5517 	/*
5518 	 * For online cpus
5519 	 * find max_core_id, max_package_id
5520 	 */
5521 	for (i = 0; i <= topo.max_cpu_num; ++i) {
5522 		int siblings;
5523 
5524 		if (cpu_is_not_present(i)) {
5525 			if (debug > 1)
5526 				fprintf(outf, "cpu%d NOT PRESENT\n", i);
5527 			continue;
5528 		}
5529 
5530 		cpus[i].logical_cpu_id = i;
5531 
5532 		/* get package information */
5533 		cpus[i].physical_package_id = get_physical_package_id(i);
5534 		if (cpus[i].physical_package_id > max_package_id)
5535 			max_package_id = cpus[i].physical_package_id;
5536 
5537 		/* get die information */
5538 		cpus[i].die_id = get_die_id(i);
5539 		if (cpus[i].die_id > max_die_id)
5540 			max_die_id = cpus[i].die_id;
5541 
5542 		/* get numa node information */
5543 		cpus[i].physical_node_id = get_physical_node_id(&cpus[i]);
5544 		if (cpus[i].physical_node_id > topo.max_node_num)
5545 			topo.max_node_num = cpus[i].physical_node_id;
5546 
5547 		/* get core information */
5548 		cpus[i].physical_core_id = get_core_id(i);
5549 		if (cpus[i].physical_core_id > max_core_id)
5550 			max_core_id = cpus[i].physical_core_id;
5551 
5552 		/* get thread information */
5553 		siblings = get_thread_siblings(&cpus[i]);
5554 		if (siblings > max_siblings)
5555 			max_siblings = siblings;
5556 		if (cpus[i].thread_id == 0)
5557 			topo.num_cores++;
5558 	}
5559 
5560 	topo.cores_per_node = max_core_id + 1;
5561 	if (debug > 1)
5562 		fprintf(outf, "max_core_id %d, sizing for %d cores per package\n",
5563 			max_core_id, topo.cores_per_node);
5564 	if (!summary_only && topo.cores_per_node > 1)
5565 		BIC_PRESENT(BIC_Core);
5566 
5567 	topo.num_die = max_die_id + 1;
5568 	if (debug > 1)
5569 		fprintf(outf, "max_die_id %d, sizing for %d die\n",
5570 				max_die_id, topo.num_die);
5571 	if (!summary_only && topo.num_die > 1)
5572 		BIC_PRESENT(BIC_Die);
5573 
5574 	topo.num_packages = max_package_id + 1;
5575 	if (debug > 1)
5576 		fprintf(outf, "max_package_id %d, sizing for %d packages\n",
5577 			max_package_id, topo.num_packages);
5578 	if (!summary_only && topo.num_packages > 1)
5579 		BIC_PRESENT(BIC_Package);
5580 
5581 	set_node_data();
5582 	if (debug > 1)
5583 		fprintf(outf, "nodes_per_pkg %d\n", topo.nodes_per_pkg);
5584 	if (!summary_only && topo.nodes_per_pkg > 1)
5585 		BIC_PRESENT(BIC_Node);
5586 
5587 	topo.threads_per_core = max_siblings;
5588 	if (debug > 1)
5589 		fprintf(outf, "max_siblings %d\n", max_siblings);
5590 
5591 	if (debug < 1)
5592 		return;
5593 
5594 	for (i = 0; i <= topo.max_cpu_num; ++i) {
5595 		if (cpu_is_not_present(i))
5596 			continue;
5597 		fprintf(outf,
5598 			"cpu %d pkg %d die %d node %d lnode %d core %d thread %d\n",
5599 			i, cpus[i].physical_package_id, cpus[i].die_id,
5600 			cpus[i].physical_node_id,
5601 			cpus[i].logical_node_id,
5602 			cpus[i].physical_core_id,
5603 			cpus[i].thread_id);
5604 	}
5605 
5606 }
5607 
5608 void
5609 allocate_counters(struct thread_data **t, struct core_data **c,
5610 		  struct pkg_data **p)
5611 {
5612 	int i;
5613 	int num_cores = topo.cores_per_node * topo.nodes_per_pkg *
5614 			topo.num_packages;
5615 	int num_threads = topo.threads_per_core * num_cores;
5616 
5617 	*t = calloc(num_threads, sizeof(struct thread_data));
5618 	if (*t == NULL)
5619 		goto error;
5620 
5621 	for (i = 0; i < num_threads; i++)
5622 		(*t)[i].cpu_id = -1;
5623 
5624 	*c = calloc(num_cores, sizeof(struct core_data));
5625 	if (*c == NULL)
5626 		goto error;
5627 
5628 	for (i = 0; i < num_cores; i++)
5629 		(*c)[i].core_id = -1;
5630 
5631 	*p = calloc(topo.num_packages, sizeof(struct pkg_data));
5632 	if (*p == NULL)
5633 		goto error;
5634 
5635 	for (i = 0; i < topo.num_packages; i++)
5636 		(*p)[i].package_id = i;
5637 
5638 	return;
5639 error:
5640 	err(1, "calloc counters");
5641 }
5642 /*
5643  * init_counter()
5644  *
5645  * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE
5646  */
5647 void init_counter(struct thread_data *thread_base, struct core_data *core_base,
5648 	struct pkg_data *pkg_base, int cpu_id)
5649 {
5650 	int pkg_id = cpus[cpu_id].physical_package_id;
5651 	int node_id = cpus[cpu_id].logical_node_id;
5652 	int core_id = cpus[cpu_id].physical_core_id;
5653 	int thread_id = cpus[cpu_id].thread_id;
5654 	struct thread_data *t;
5655 	struct core_data *c;
5656 	struct pkg_data *p;
5657 
5658 
5659 	/* Workaround for systems where physical_node_id==-1
5660 	 * and logical_node_id==(-1 - topo.num_cpus)
5661 	 */
5662 	if (node_id < 0)
5663 		node_id = 0;
5664 
5665 	t = GET_THREAD(thread_base, thread_id, core_id, node_id, pkg_id);
5666 	c = GET_CORE(core_base, core_id, node_id, pkg_id);
5667 	p = GET_PKG(pkg_base, pkg_id);
5668 
5669 	t->cpu_id = cpu_id;
5670 	if (thread_id == 0) {
5671 		t->flags |= CPU_IS_FIRST_THREAD_IN_CORE;
5672 		if (cpu_is_first_core_in_package(cpu_id))
5673 			t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE;
5674 	}
5675 
5676 	c->core_id = core_id;
5677 	p->package_id = pkg_id;
5678 }
5679 
5680 
5681 int initialize_counters(int cpu_id)
5682 {
5683 	init_counter(EVEN_COUNTERS, cpu_id);
5684 	init_counter(ODD_COUNTERS, cpu_id);
5685 	return 0;
5686 }
5687 
5688 void allocate_output_buffer()
5689 {
5690 	output_buffer = calloc(1, (1 + topo.num_cpus) * 2048);
5691 	outp = output_buffer;
5692 	if (outp == NULL)
5693 		err(-1, "calloc output buffer");
5694 }
5695 void allocate_fd_percpu(void)
5696 {
5697 	fd_percpu = calloc(topo.max_cpu_num + 1, sizeof(int));
5698 	if (fd_percpu == NULL)
5699 		err(-1, "calloc fd_percpu");
5700 }
5701 void allocate_irq_buffers(void)
5702 {
5703 	irq_column_2_cpu = calloc(topo.num_cpus, sizeof(int));
5704 	if (irq_column_2_cpu == NULL)
5705 		err(-1, "calloc %d", topo.num_cpus);
5706 
5707 	irqs_per_cpu = calloc(topo.max_cpu_num + 1, sizeof(int));
5708 	if (irqs_per_cpu == NULL)
5709 		err(-1, "calloc %d", topo.max_cpu_num + 1);
5710 }
5711 void setup_all_buffers(void)
5712 {
5713 	topology_probe();
5714 	allocate_irq_buffers();
5715 	allocate_fd_percpu();
5716 	allocate_counters(&thread_even, &core_even, &package_even);
5717 	allocate_counters(&thread_odd, &core_odd, &package_odd);
5718 	allocate_output_buffer();
5719 	for_all_proc_cpus(initialize_counters);
5720 }
5721 
5722 void set_base_cpu(void)
5723 {
5724 	base_cpu = sched_getcpu();
5725 	if (base_cpu < 0)
5726 		err(-ENODEV, "No valid cpus found");
5727 
5728 	if (debug > 1)
5729 		fprintf(outf, "base_cpu = %d\n", base_cpu);
5730 }
5731 
5732 void turbostat_init()
5733 {
5734 	setup_all_buffers();
5735 	set_base_cpu();
5736 	check_dev_msr();
5737 	check_permissions();
5738 	process_cpuid();
5739 	linux_perf_init();
5740 
5741 
5742 	if (!quiet)
5743 		for_all_cpus(print_hwp, ODD_COUNTERS);
5744 
5745 	if (!quiet)
5746 		for_all_cpus(print_epb, ODD_COUNTERS);
5747 
5748 	if (!quiet)
5749 		for_all_cpus(print_perf_limit, ODD_COUNTERS);
5750 
5751 	if (!quiet)
5752 		for_all_cpus(print_rapl, ODD_COUNTERS);
5753 
5754 	for_all_cpus(set_temperature_target, ODD_COUNTERS);
5755 
5756 	if (!quiet)
5757 		for_all_cpus(print_thermal, ODD_COUNTERS);
5758 
5759 	if (!quiet && do_irtl_snb)
5760 		print_irtl();
5761 }
5762 
5763 int fork_it(char **argv)
5764 {
5765 	pid_t child_pid;
5766 	int status;
5767 
5768 	snapshot_proc_sysfs_files();
5769 	status = for_all_cpus(get_counters, EVEN_COUNTERS);
5770 	first_counter_read = 0;
5771 	if (status)
5772 		exit(status);
5773 	/* clear affinity side-effect of get_counters() */
5774 	sched_setaffinity(0, cpu_present_setsize, cpu_present_set);
5775 	gettimeofday(&tv_even, (struct timezone *)NULL);
5776 
5777 	child_pid = fork();
5778 	if (!child_pid) {
5779 		/* child */
5780 		execvp(argv[0], argv);
5781 		err(errno, "exec %s", argv[0]);
5782 	} else {
5783 
5784 		/* parent */
5785 		if (child_pid == -1)
5786 			err(1, "fork");
5787 
5788 		signal(SIGINT, SIG_IGN);
5789 		signal(SIGQUIT, SIG_IGN);
5790 		if (waitpid(child_pid, &status, 0) == -1)
5791 			err(status, "waitpid");
5792 
5793 		if (WIFEXITED(status))
5794 			status = WEXITSTATUS(status);
5795 	}
5796 	/*
5797 	 * n.b. fork_it() does not check for errors from for_all_cpus()
5798 	 * because re-starting is problematic when forking
5799 	 */
5800 	snapshot_proc_sysfs_files();
5801 	for_all_cpus(get_counters, ODD_COUNTERS);
5802 	gettimeofday(&tv_odd, (struct timezone *)NULL);
5803 	timersub(&tv_odd, &tv_even, &tv_delta);
5804 	if (for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS))
5805 		fprintf(outf, "%s: Counter reset detected\n", progname);
5806 	else {
5807 		compute_average(EVEN_COUNTERS);
5808 		format_all_counters(EVEN_COUNTERS);
5809 	}
5810 
5811 	fprintf(outf, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0);
5812 
5813 	flush_output_stderr();
5814 
5815 	return status;
5816 }
5817 
5818 int get_and_dump_counters(void)
5819 {
5820 	int status;
5821 
5822 	snapshot_proc_sysfs_files();
5823 	status = for_all_cpus(get_counters, ODD_COUNTERS);
5824 	if (status)
5825 		return status;
5826 
5827 	status = for_all_cpus(dump_counters, ODD_COUNTERS);
5828 	if (status)
5829 		return status;
5830 
5831 	flush_output_stdout();
5832 
5833 	return status;
5834 }
5835 
5836 void print_version() {
5837 	fprintf(outf, "turbostat version 20.09.30"
5838 		" - Len Brown <lenb@kernel.org>\n");
5839 }
5840 
5841 int add_counter(unsigned int msr_num, char *path, char *name,
5842 	unsigned int width, enum counter_scope scope,
5843 	enum counter_type type, enum counter_format format, int flags)
5844 {
5845 	struct msr_counter *msrp;
5846 
5847 	msrp = calloc(1, sizeof(struct msr_counter));
5848 	if (msrp == NULL) {
5849 		perror("calloc");
5850 		exit(1);
5851 	}
5852 
5853 	msrp->msr_num = msr_num;
5854 	strncpy(msrp->name, name, NAME_BYTES - 1);
5855 	if (path)
5856 		strncpy(msrp->path, path, PATH_BYTES - 1);
5857 	msrp->width = width;
5858 	msrp->type = type;
5859 	msrp->format = format;
5860 	msrp->flags = flags;
5861 
5862 	switch (scope) {
5863 
5864 	case SCOPE_CPU:
5865 		msrp->next = sys.tp;
5866 		sys.tp = msrp;
5867 		sys.added_thread_counters++;
5868 		if (sys.added_thread_counters > MAX_ADDED_THREAD_COUNTERS) {
5869 			fprintf(stderr, "exceeded max %d added thread counters\n",
5870 				MAX_ADDED_COUNTERS);
5871 			exit(-1);
5872 		}
5873 		break;
5874 
5875 	case SCOPE_CORE:
5876 		msrp->next = sys.cp;
5877 		sys.cp = msrp;
5878 		sys.added_core_counters++;
5879 		if (sys.added_core_counters > MAX_ADDED_COUNTERS) {
5880 			fprintf(stderr, "exceeded max %d added core counters\n",
5881 				MAX_ADDED_COUNTERS);
5882 			exit(-1);
5883 		}
5884 		break;
5885 
5886 	case SCOPE_PACKAGE:
5887 		msrp->next = sys.pp;
5888 		sys.pp = msrp;
5889 		sys.added_package_counters++;
5890 		if (sys.added_package_counters > MAX_ADDED_COUNTERS) {
5891 			fprintf(stderr, "exceeded max %d added package counters\n",
5892 				MAX_ADDED_COUNTERS);
5893 			exit(-1);
5894 		}
5895 		break;
5896 	}
5897 
5898 	return 0;
5899 }
5900 
5901 void parse_add_command(char *add_command)
5902 {
5903 	int msr_num = 0;
5904 	char *path = NULL;
5905 	char name_buffer[NAME_BYTES] = "";
5906 	int width = 64;
5907 	int fail = 0;
5908 	enum counter_scope scope = SCOPE_CPU;
5909 	enum counter_type type = COUNTER_CYCLES;
5910 	enum counter_format format = FORMAT_DELTA;
5911 
5912 	while (add_command) {
5913 
5914 		if (sscanf(add_command, "msr0x%x", &msr_num) == 1)
5915 			goto next;
5916 
5917 		if (sscanf(add_command, "msr%d", &msr_num) == 1)
5918 			goto next;
5919 
5920 		if (*add_command == '/') {
5921 			path = add_command;
5922 			goto next;
5923 		}
5924 
5925 		if (sscanf(add_command, "u%d", &width) == 1) {
5926 			if ((width == 32) || (width == 64))
5927 				goto next;
5928 			width = 64;
5929 		}
5930 		if (!strncmp(add_command, "cpu", strlen("cpu"))) {
5931 			scope = SCOPE_CPU;
5932 			goto next;
5933 		}
5934 		if (!strncmp(add_command, "core", strlen("core"))) {
5935 			scope = SCOPE_CORE;
5936 			goto next;
5937 		}
5938 		if (!strncmp(add_command, "package", strlen("package"))) {
5939 			scope = SCOPE_PACKAGE;
5940 			goto next;
5941 		}
5942 		if (!strncmp(add_command, "cycles", strlen("cycles"))) {
5943 			type = COUNTER_CYCLES;
5944 			goto next;
5945 		}
5946 		if (!strncmp(add_command, "seconds", strlen("seconds"))) {
5947 			type = COUNTER_SECONDS;
5948 			goto next;
5949 		}
5950 		if (!strncmp(add_command, "usec", strlen("usec"))) {
5951 			type = COUNTER_USEC;
5952 			goto next;
5953 		}
5954 		if (!strncmp(add_command, "raw", strlen("raw"))) {
5955 			format = FORMAT_RAW;
5956 			goto next;
5957 		}
5958 		if (!strncmp(add_command, "delta", strlen("delta"))) {
5959 			format = FORMAT_DELTA;
5960 			goto next;
5961 		}
5962 		if (!strncmp(add_command, "percent", strlen("percent"))) {
5963 			format = FORMAT_PERCENT;
5964 			goto next;
5965 		}
5966 
5967 		if (sscanf(add_command, "%18s,%*s", name_buffer) == 1) {	/* 18 < NAME_BYTES */
5968 			char *eos;
5969 
5970 			eos = strchr(name_buffer, ',');
5971 			if (eos)
5972 				*eos = '\0';
5973 			goto next;
5974 		}
5975 
5976 next:
5977 		add_command = strchr(add_command, ',');
5978 		if (add_command) {
5979 			*add_command = '\0';
5980 			add_command++;
5981 		}
5982 
5983 	}
5984 	if ((msr_num == 0) && (path == NULL)) {
5985 		fprintf(stderr, "--add: (msrDDD | msr0xXXX | /path_to_counter ) required\n");
5986 		fail++;
5987 	}
5988 
5989 	/* generate default column header */
5990 	if (*name_buffer == '\0') {
5991 		if (width == 32)
5992 			sprintf(name_buffer, "M0x%x%s", msr_num, format == FORMAT_PERCENT ? "%" : "");
5993 		else
5994 			sprintf(name_buffer, "M0X%x%s", msr_num, format == FORMAT_PERCENT ? "%" : "");
5995 	}
5996 
5997 	if (add_counter(msr_num, path, name_buffer, width, scope, type, format, 0))
5998 		fail++;
5999 
6000 	if (fail) {
6001 		help();
6002 		exit(1);
6003 	}
6004 }
6005 
6006 int is_deferred_skip(char *name)
6007 {
6008 	int i;
6009 
6010 	for (i = 0; i < deferred_skip_index; ++i)
6011 		if (!strcmp(name, deferred_skip_names[i]))
6012 			return 1;
6013 	return 0;
6014 }
6015 
6016 void probe_sysfs(void)
6017 {
6018 	char path[64];
6019 	char name_buf[16];
6020 	FILE *input;
6021 	int state;
6022 	char *sp;
6023 
6024 	if (!DO_BIC(BIC_sysfs))
6025 		return;
6026 
6027 	for (state = 10; state >= 0; --state) {
6028 
6029 		sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name",
6030 			base_cpu, state);
6031 		input = fopen(path, "r");
6032 		if (input == NULL)
6033 			continue;
6034 		if (!fgets(name_buf, sizeof(name_buf), input))
6035 			err(1, "%s: failed to read file", path);
6036 
6037 		 /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
6038 		sp = strchr(name_buf, '-');
6039 		if (!sp)
6040 			sp = strchrnul(name_buf, '\n');
6041 		*sp = '%';
6042 		*(sp + 1) = '\0';
6043 
6044 		remove_underbar(name_buf);
6045 
6046 		fclose(input);
6047 
6048 		sprintf(path, "cpuidle/state%d/time", state);
6049 
6050 		if (is_deferred_skip(name_buf))
6051 			continue;
6052 
6053 		add_counter(0, path, name_buf, 64, SCOPE_CPU, COUNTER_USEC,
6054 				FORMAT_PERCENT, SYSFS_PERCPU);
6055 	}
6056 
6057 	for (state = 10; state >= 0; --state) {
6058 
6059 		sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name",
6060 			base_cpu, state);
6061 		input = fopen(path, "r");
6062 		if (input == NULL)
6063 			continue;
6064 		if (!fgets(name_buf, sizeof(name_buf), input))
6065 			err(1, "%s: failed to read file", path);
6066 		 /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
6067 		sp = strchr(name_buf, '-');
6068 		if (!sp)
6069 			sp = strchrnul(name_buf, '\n');
6070 		*sp = '\0';
6071 		fclose(input);
6072 
6073 		remove_underbar(name_buf);
6074 
6075 		sprintf(path, "cpuidle/state%d/usage", state);
6076 
6077 		if (is_deferred_skip(name_buf))
6078 			continue;
6079 
6080 		add_counter(0, path, name_buf, 64, SCOPE_CPU, COUNTER_ITEMS,
6081 				FORMAT_DELTA, SYSFS_PERCPU);
6082 	}
6083 
6084 }
6085 
6086 
6087 /*
6088  * parse cpuset with following syntax
6089  * 1,2,4..6,8-10 and set bits in cpu_subset
6090  */
6091 void parse_cpu_command(char *optarg)
6092 {
6093 	unsigned int start, end;
6094 	char *next;
6095 
6096 	if (!strcmp(optarg, "core")) {
6097 		if (cpu_subset)
6098 			goto error;
6099 		show_core_only++;
6100 		return;
6101 	}
6102 	if (!strcmp(optarg, "package")) {
6103 		if (cpu_subset)
6104 			goto error;
6105 		show_pkg_only++;
6106 		return;
6107 	}
6108 	if (show_core_only || show_pkg_only)
6109 		goto error;
6110 
6111 	cpu_subset = CPU_ALLOC(CPU_SUBSET_MAXCPUS);
6112 	if (cpu_subset == NULL)
6113 		err(3, "CPU_ALLOC");
6114 	cpu_subset_size = CPU_ALLOC_SIZE(CPU_SUBSET_MAXCPUS);
6115 
6116 	CPU_ZERO_S(cpu_subset_size, cpu_subset);
6117 
6118 	next = optarg;
6119 
6120 	while (next && *next) {
6121 
6122 		if (*next == '-')	/* no negative cpu numbers */
6123 			goto error;
6124 
6125 		start = strtoul(next, &next, 10);
6126 
6127 		if (start >= CPU_SUBSET_MAXCPUS)
6128 			goto error;
6129 		CPU_SET_S(start, cpu_subset_size, cpu_subset);
6130 
6131 		if (*next == '\0')
6132 			break;
6133 
6134 		if (*next == ',') {
6135 			next += 1;
6136 			continue;
6137 		}
6138 
6139 		if (*next == '-') {
6140 			next += 1;	/* start range */
6141 		} else if (*next == '.') {
6142 			next += 1;
6143 			if (*next == '.')
6144 				next += 1;	/* start range */
6145 			else
6146 				goto error;
6147 		}
6148 
6149 		end = strtoul(next, &next, 10);
6150 		if (end <= start)
6151 			goto error;
6152 
6153 		while (++start <= end) {
6154 			if (start >= CPU_SUBSET_MAXCPUS)
6155 				goto error;
6156 			CPU_SET_S(start, cpu_subset_size, cpu_subset);
6157 		}
6158 
6159 		if (*next == ',')
6160 			next += 1;
6161 		else if (*next != '\0')
6162 			goto error;
6163 	}
6164 
6165 	return;
6166 
6167 error:
6168 	fprintf(stderr, "\"--cpu %s\" malformed\n", optarg);
6169 	help();
6170 	exit(-1);
6171 }
6172 
6173 
6174 void cmdline(int argc, char **argv)
6175 {
6176 	int opt;
6177 	int option_index = 0;
6178 	static struct option long_options[] = {
6179 		{"add",		required_argument,	0, 'a'},
6180 		{"cpu",		required_argument,	0, 'c'},
6181 		{"Dump",	no_argument,		0, 'D'},
6182 		{"debug",	no_argument,		0, 'd'},	/* internal, not documented */
6183 		{"enable",	required_argument,	0, 'e'},
6184 		{"interval",	required_argument,	0, 'i'},
6185 		{"IPC",	no_argument,			0, 'I'},
6186 		{"num_iterations",	required_argument,	0, 'n'},
6187 		{"help",	no_argument,		0, 'h'},
6188 		{"hide",	required_argument,	0, 'H'},	// meh, -h taken by --help
6189 		{"Joules",	no_argument,		0, 'J'},
6190 		{"list",	no_argument,		0, 'l'},
6191 		{"out",		required_argument,	0, 'o'},
6192 		{"quiet",	no_argument,		0, 'q'},
6193 		{"show",	required_argument,	0, 's'},
6194 		{"Summary",	no_argument,		0, 'S'},
6195 		{"TCC",		required_argument,	0, 'T'},
6196 		{"version",	no_argument,		0, 'v' },
6197 		{0,		0,			0,  0 }
6198 	};
6199 
6200 	progname = argv[0];
6201 
6202 	while ((opt = getopt_long_only(argc, argv, "+C:c:Dde:hi:Jn:o:qST:v",
6203 				long_options, &option_index)) != -1) {
6204 		switch (opt) {
6205 		case 'a':
6206 			parse_add_command(optarg);
6207 			break;
6208 		case 'c':
6209 			parse_cpu_command(optarg);
6210 			break;
6211 		case 'D':
6212 			dump_only++;
6213 			break;
6214 		case 'e':
6215 			/* --enable specified counter */
6216 			bic_enabled = bic_enabled | bic_lookup(optarg, SHOW_LIST);
6217 			break;
6218 		case 'd':
6219 			debug++;
6220 			ENABLE_BIC(BIC_DISABLED_BY_DEFAULT);
6221 			break;
6222 		case 'H':
6223 			/*
6224 			 * --hide: do not show those specified
6225 			 *  multiple invocations simply clear more bits in enabled mask
6226 			 */
6227 			bic_enabled &= ~bic_lookup(optarg, HIDE_LIST);
6228 			break;
6229 		case 'h':
6230 		default:
6231 			help();
6232 			exit(1);
6233 		case 'i':
6234 			{
6235 				double interval = strtod(optarg, NULL);
6236 
6237 				if (interval < 0.001) {
6238 					fprintf(outf, "interval %f seconds is too small\n",
6239 						interval);
6240 					exit(2);
6241 				}
6242 
6243 				interval_tv.tv_sec = interval_ts.tv_sec = interval;
6244 				interval_tv.tv_usec = (interval - interval_tv.tv_sec) * 1000000;
6245 				interval_ts.tv_nsec = (interval - interval_ts.tv_sec) * 1000000000;
6246 			}
6247 			break;
6248 		case 'J':
6249 			rapl_joules++;
6250 			break;
6251 		case 'l':
6252 			ENABLE_BIC(BIC_DISABLED_BY_DEFAULT);
6253 			list_header_only++;
6254 			quiet++;
6255 			break;
6256 		case 'o':
6257 			outf = fopen_or_die(optarg, "w");
6258 			break;
6259 		case 'q':
6260 			quiet = 1;
6261 			break;
6262 		case 'n':
6263 			num_iterations = strtod(optarg, NULL);
6264 
6265 			if (num_iterations <= 0) {
6266 				fprintf(outf, "iterations %d should be positive number\n",
6267 					num_iterations);
6268 				exit(2);
6269 			}
6270 			break;
6271 		case 's':
6272 			/*
6273 			 * --show: show only those specified
6274 			 *  The 1st invocation will clear and replace the enabled mask
6275 			 *  subsequent invocations can add to it.
6276 			 */
6277 			if (shown == 0)
6278 				bic_enabled = bic_lookup(optarg, SHOW_LIST);
6279 			else
6280 				bic_enabled |= bic_lookup(optarg, SHOW_LIST);
6281 			shown = 1;
6282 			break;
6283 		case 'S':
6284 			summary_only++;
6285 			break;
6286 		case 'T':
6287 			tcc_activation_temp_override = atoi(optarg);
6288 			break;
6289 		case 'v':
6290 			print_version();
6291 			exit(0);
6292 			break;
6293 		}
6294 	}
6295 }
6296 
6297 int main(int argc, char **argv)
6298 {
6299 	outf = stderr;
6300 	cmdline(argc, argv);
6301 
6302 	if (!quiet)
6303 		print_version();
6304 
6305 	probe_sysfs();
6306 
6307 	turbostat_init();
6308 
6309 	/* dump counters and exit */
6310 	if (dump_only)
6311 		return get_and_dump_counters();
6312 
6313 	/* list header and exit */
6314 	if (list_header_only) {
6315 		print_header(",");
6316 		flush_output_stdout();
6317 		return 0;
6318 	}
6319 
6320 	msr_sum_record();
6321 	/*
6322 	 * if any params left, it must be a command to fork
6323 	 */
6324 	if (argc - optind)
6325 		return fork_it(argv + optind);
6326 	else
6327 		turbostat_loop();
6328 
6329 	return 0;
6330 }
6331