1103a8feaSLen Brown /* 2103a8feaSLen Brown * turbostat -- show CPU frequency and C-state residency 3103a8feaSLen Brown * on modern Intel turbo-capable processors. 4103a8feaSLen Brown * 5144b44b1SLen Brown * Copyright (c) 2013 Intel Corporation. 6103a8feaSLen Brown * Len Brown <len.brown@intel.com> 7103a8feaSLen Brown * 8103a8feaSLen Brown * This program is free software; you can redistribute it and/or modify it 9103a8feaSLen Brown * under the terms and conditions of the GNU General Public License, 10103a8feaSLen Brown * version 2, as published by the Free Software Foundation. 11103a8feaSLen Brown * 12103a8feaSLen Brown * This program is distributed in the hope it will be useful, but WITHOUT 13103a8feaSLen Brown * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14103a8feaSLen Brown * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15103a8feaSLen Brown * more details. 16103a8feaSLen Brown * 17103a8feaSLen Brown * You should have received a copy of the GNU General Public License along with 18103a8feaSLen Brown * this program; if not, write to the Free Software Foundation, Inc., 19103a8feaSLen Brown * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 20103a8feaSLen Brown */ 21103a8feaSLen Brown 2288c3281fSLen Brown #define _GNU_SOURCE 23b731f311SJosh Triplett #include MSRHEADER 2495aebc44SJosh Triplett #include <stdarg.h> 25103a8feaSLen Brown #include <stdio.h> 26b2c95d90SJosh Triplett #include <err.h> 27103a8feaSLen Brown #include <unistd.h> 28103a8feaSLen Brown #include <sys/types.h> 29103a8feaSLen Brown #include <sys/wait.h> 30103a8feaSLen Brown #include <sys/stat.h> 31103a8feaSLen Brown #include <sys/resource.h> 32103a8feaSLen Brown #include <fcntl.h> 33103a8feaSLen Brown #include <signal.h> 34103a8feaSLen Brown #include <sys/time.h> 35103a8feaSLen Brown #include <stdlib.h> 36d8af6f5fSLen Brown #include <getopt.h> 37103a8feaSLen Brown #include <dirent.h> 38103a8feaSLen Brown #include <string.h> 39103a8feaSLen Brown #include <ctype.h> 4088c3281fSLen Brown #include <sched.h> 412a0609c0SLen Brown #include <time.h> 422b92865eSJosh Triplett #include <cpuid.h> 4398481e79SLen Brown #include <linux/capability.h> 4498481e79SLen Brown #include <errno.h> 45103a8feaSLen Brown 46103a8feaSLen Brown char *proc_stat = "/proc/stat"; 47b7d8c148SLen Brown FILE *outf; 4836229897SLen Brown int *fd_percpu; 492a0609c0SLen Brown struct timespec interval_ts = {5, 0}; 50d8af6f5fSLen Brown unsigned int debug; 51d8af6f5fSLen Brown unsigned int rapl_joules; 52d8af6f5fSLen Brown unsigned int summary_only; 53d8af6f5fSLen Brown unsigned int dump_only; 54103a8feaSLen Brown unsigned int skip_c0; 55103a8feaSLen Brown unsigned int skip_c1; 56103a8feaSLen Brown unsigned int do_nhm_cstates; 57103a8feaSLen Brown unsigned int do_snb_cstates; 58fb5d4327SDasaratharaman Chandramouli unsigned int do_knl_cstates; 59ee7e38e3SLen Brown unsigned int do_pc2; 60ee7e38e3SLen Brown unsigned int do_pc3; 61ee7e38e3SLen Brown unsigned int do_pc6; 62ee7e38e3SLen Brown unsigned int do_pc7; 63ca58710fSKristen Carlson Accardi unsigned int do_c8_c9_c10; 640b2bb692SLen Brown unsigned int do_skl_residency; 65144b44b1SLen Brown unsigned int do_slm_cstates; 66144b44b1SLen Brown unsigned int use_c1_residency_msr; 67103a8feaSLen Brown unsigned int has_aperf; 68889facbeSLen Brown unsigned int has_epb; 69fc04cc67SLen Brown unsigned int units = 1000000; /* MHz etc */ 70103a8feaSLen Brown unsigned int genuine_intel; 71103a8feaSLen Brown unsigned int has_invariant_tsc; 72d7899447SLen Brown unsigned int do_nhm_platform_info; 732f32edf1SLen Brown unsigned int extra_msr_offset32; 742f32edf1SLen Brown unsigned int extra_msr_offset64; 758e180f3cSLen Brown unsigned int extra_delta_offset32; 768e180f3cSLen Brown unsigned int extra_delta_offset64; 77b2b34dfeSHubert Chrzaniuk unsigned int aperf_mperf_multiplier = 1; 78562a2d37SLen Brown int do_irq = 1; 791ed51011SLen Brown int do_smi; 80103a8feaSLen Brown double bclk; 81a2b7b749SLen Brown double base_hz; 8221ed5574SLen Brown unsigned int has_base_hz; 83a2b7b749SLen Brown double tsc_tweak = 1.0; 84103a8feaSLen Brown unsigned int show_pkg; 85103a8feaSLen Brown unsigned int show_core; 86103a8feaSLen Brown unsigned int show_cpu; 87c98d5d94SLen Brown unsigned int show_pkg_only; 88c98d5d94SLen Brown unsigned int show_core_only; 89c98d5d94SLen Brown char *output_buffer, *outp; 90889facbeSLen Brown unsigned int do_rapl; 91889facbeSLen Brown unsigned int do_dts; 92889facbeSLen Brown unsigned int do_ptm; 93*fdf676e5SLen Brown unsigned int do_gfx_rc6_ms; 94*fdf676e5SLen Brown unsigned long long gfx_cur_rc6_ms; 9527d47356SLen Brown unsigned int do_gfx_mhz; 9627d47356SLen Brown unsigned int gfx_cur_mhz; 97889facbeSLen Brown unsigned int tcc_activation_temp; 98889facbeSLen Brown unsigned int tcc_activation_temp_override; 9940ee8e3bSAndrey Semin double rapl_power_units, rapl_time_units; 10040ee8e3bSAndrey Semin double rapl_dram_energy_units, rapl_energy_units; 101889facbeSLen Brown double rapl_joule_counter_range; 1023a9a941dSLen Brown unsigned int do_core_perf_limit_reasons; 1033a9a941dSLen Brown unsigned int do_gfx_perf_limit_reasons; 1043a9a941dSLen Brown unsigned int do_ring_perf_limit_reasons; 1058a5bdf41SLen Brown unsigned int crystal_hz; 1068a5bdf41SLen Brown unsigned long long tsc_hz; 1077ce7d5deSPrarit Bhargava int base_cpu; 10821ed5574SLen Brown double discover_bclk(unsigned int family, unsigned int model); 1097f5c258eSLen Brown unsigned int has_hwp; /* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */ 1107f5c258eSLen Brown /* IA32_HWP_REQUEST, IA32_HWP_STATUS */ 1117f5c258eSLen Brown unsigned int has_hwp_notify; /* IA32_HWP_INTERRUPT */ 1127f5c258eSLen Brown unsigned int has_hwp_activity_window; /* IA32_HWP_REQUEST[bits 41:32] */ 1137f5c258eSLen Brown unsigned int has_hwp_epp; /* IA32_HWP_REQUEST[bits 31:24] */ 1147f5c258eSLen Brown unsigned int has_hwp_pkg; /* IA32_HWP_REQUEST_PKG */ 115889facbeSLen Brown 116889facbeSLen Brown #define RAPL_PKG (1 << 0) 117e6f9bb3cSLen Brown /* 0x610 MSR_PKG_POWER_LIMIT */ 118e6f9bb3cSLen Brown /* 0x611 MSR_PKG_ENERGY_STATUS */ 119e6f9bb3cSLen Brown #define RAPL_PKG_PERF_STATUS (1 << 1) 120e6f9bb3cSLen Brown /* 0x613 MSR_PKG_PERF_STATUS */ 121e6f9bb3cSLen Brown #define RAPL_PKG_POWER_INFO (1 << 2) 122e6f9bb3cSLen Brown /* 0x614 MSR_PKG_POWER_INFO */ 123e6f9bb3cSLen Brown 124889facbeSLen Brown #define RAPL_DRAM (1 << 3) 125e6f9bb3cSLen Brown /* 0x618 MSR_DRAM_POWER_LIMIT */ 126e6f9bb3cSLen Brown /* 0x619 MSR_DRAM_ENERGY_STATUS */ 127e6f9bb3cSLen Brown #define RAPL_DRAM_PERF_STATUS (1 << 4) 128e6f9bb3cSLen Brown /* 0x61b MSR_DRAM_PERF_STATUS */ 1290b2bb692SLen Brown #define RAPL_DRAM_POWER_INFO (1 << 5) 1300b2bb692SLen Brown /* 0x61c MSR_DRAM_POWER_INFO */ 131e6f9bb3cSLen Brown 1320b2bb692SLen Brown #define RAPL_CORES (1 << 6) 133e6f9bb3cSLen Brown /* 0x638 MSR_PP0_POWER_LIMIT */ 134e6f9bb3cSLen Brown /* 0x639 MSR_PP0_ENERGY_STATUS */ 1350b2bb692SLen Brown #define RAPL_CORE_POLICY (1 << 7) 136e6f9bb3cSLen Brown /* 0x63a MSR_PP0_POLICY */ 137e6f9bb3cSLen Brown 1380b2bb692SLen Brown #define RAPL_GFX (1 << 8) 139e6f9bb3cSLen Brown /* 0x640 MSR_PP1_POWER_LIMIT */ 140e6f9bb3cSLen Brown /* 0x641 MSR_PP1_ENERGY_STATUS */ 141e6f9bb3cSLen Brown /* 0x642 MSR_PP1_POLICY */ 142889facbeSLen Brown #define TJMAX_DEFAULT 100 143889facbeSLen Brown 144889facbeSLen Brown #define MAX(a, b) ((a) > (b) ? (a) : (b)) 145103a8feaSLen Brown 146103a8feaSLen Brown int aperf_mperf_unstable; 147103a8feaSLen Brown int backwards_count; 148103a8feaSLen Brown char *progname; 149103a8feaSLen Brown 150c98d5d94SLen Brown cpu_set_t *cpu_present_set, *cpu_affinity_set; 151c98d5d94SLen Brown size_t cpu_present_setsize, cpu_affinity_setsize; 152c98d5d94SLen Brown 153c98d5d94SLen Brown struct thread_data { 154c98d5d94SLen Brown unsigned long long tsc; 155c98d5d94SLen Brown unsigned long long aperf; 156c98d5d94SLen Brown unsigned long long mperf; 157144b44b1SLen Brown unsigned long long c1; 1582f32edf1SLen Brown unsigned long long extra_msr64; 1598e180f3cSLen Brown unsigned long long extra_delta64; 1608e180f3cSLen Brown unsigned long long extra_msr32; 1618e180f3cSLen Brown unsigned long long extra_delta32; 162562a2d37SLen Brown unsigned int irq_count; 1631ed51011SLen Brown unsigned int smi_count; 164c98d5d94SLen Brown unsigned int cpu_id; 165c98d5d94SLen Brown unsigned int flags; 166c98d5d94SLen Brown #define CPU_IS_FIRST_THREAD_IN_CORE 0x2 167c98d5d94SLen Brown #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4 168c98d5d94SLen Brown } *thread_even, *thread_odd; 169c98d5d94SLen Brown 170c98d5d94SLen Brown struct core_data { 171c98d5d94SLen Brown unsigned long long c3; 172c98d5d94SLen Brown unsigned long long c6; 173c98d5d94SLen Brown unsigned long long c7; 174889facbeSLen Brown unsigned int core_temp_c; 175c98d5d94SLen Brown unsigned int core_id; 176c98d5d94SLen Brown } *core_even, *core_odd; 177c98d5d94SLen Brown 178c98d5d94SLen Brown struct pkg_data { 179c98d5d94SLen Brown unsigned long long pc2; 180c98d5d94SLen Brown unsigned long long pc3; 181c98d5d94SLen Brown unsigned long long pc6; 182c98d5d94SLen Brown unsigned long long pc7; 183ca58710fSKristen Carlson Accardi unsigned long long pc8; 184ca58710fSKristen Carlson Accardi unsigned long long pc9; 185ca58710fSKristen Carlson Accardi unsigned long long pc10; 1860b2bb692SLen Brown unsigned long long pkg_wtd_core_c0; 1870b2bb692SLen Brown unsigned long long pkg_any_core_c0; 1880b2bb692SLen Brown unsigned long long pkg_any_gfxe_c0; 1890b2bb692SLen Brown unsigned long long pkg_both_core_gfxe_c0; 190*fdf676e5SLen Brown unsigned long long gfx_rc6_ms; 19127d47356SLen Brown unsigned int gfx_mhz; 192c98d5d94SLen Brown unsigned int package_id; 193889facbeSLen Brown unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */ 194889facbeSLen Brown unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */ 195889facbeSLen Brown unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */ 196889facbeSLen Brown unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */ 197889facbeSLen Brown unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */ 198889facbeSLen Brown unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */ 199889facbeSLen Brown unsigned int pkg_temp_c; 200889facbeSLen Brown 201c98d5d94SLen Brown } *package_even, *package_odd; 202c98d5d94SLen Brown 203c98d5d94SLen Brown #define ODD_COUNTERS thread_odd, core_odd, package_odd 204c98d5d94SLen Brown #define EVEN_COUNTERS thread_even, core_even, package_even 205c98d5d94SLen Brown 206c98d5d94SLen Brown #define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \ 207c98d5d94SLen Brown (thread_base + (pkg_no) * topo.num_cores_per_pkg * \ 208c98d5d94SLen Brown topo.num_threads_per_core + \ 209c98d5d94SLen Brown (core_no) * topo.num_threads_per_core + (thread_no)) 210c98d5d94SLen Brown #define GET_CORE(core_base, core_no, pkg_no) \ 211c98d5d94SLen Brown (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no)) 212c98d5d94SLen Brown #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no) 213c98d5d94SLen Brown 214c98d5d94SLen Brown struct system_summary { 215c98d5d94SLen Brown struct thread_data threads; 216c98d5d94SLen Brown struct core_data cores; 217c98d5d94SLen Brown struct pkg_data packages; 218c98d5d94SLen Brown } sum, average; 219c98d5d94SLen Brown 220c98d5d94SLen Brown 221c98d5d94SLen Brown struct topo_params { 222c98d5d94SLen Brown int num_packages; 223103a8feaSLen Brown int num_cpus; 224c98d5d94SLen Brown int num_cores; 225c98d5d94SLen Brown int max_cpu_num; 226c98d5d94SLen Brown int num_cores_per_pkg; 227c98d5d94SLen Brown int num_threads_per_core; 228c98d5d94SLen Brown } topo; 229103a8feaSLen Brown 230c98d5d94SLen Brown struct timeval tv_even, tv_odd, tv_delta; 231103a8feaSLen Brown 232562a2d37SLen Brown int *irq_column_2_cpu; /* /proc/interrupts column numbers */ 233562a2d37SLen Brown int *irqs_per_cpu; /* indexed by cpu_num */ 234562a2d37SLen Brown 235c98d5d94SLen Brown void setup_all_buffers(void); 236103a8feaSLen Brown 237c98d5d94SLen Brown int cpu_is_not_present(int cpu) 238d15cf7c1SLen Brown { 239c98d5d94SLen Brown return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set); 240c98d5d94SLen Brown } 241c98d5d94SLen Brown /* 242c98d5d94SLen Brown * run func(thread, core, package) in topology order 243c98d5d94SLen Brown * skip non-present cpus 244c98d5d94SLen Brown */ 245c98d5d94SLen Brown 246c98d5d94SLen Brown int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *), 247c98d5d94SLen Brown struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base) 248c98d5d94SLen Brown { 249c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 250c98d5d94SLen Brown 251c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 252c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 253c98d5d94SLen Brown for (thread_no = 0; thread_no < 254c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 255c98d5d94SLen Brown struct thread_data *t; 256c98d5d94SLen Brown struct core_data *c; 257c98d5d94SLen Brown struct pkg_data *p; 258c98d5d94SLen Brown 259c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 260c98d5d94SLen Brown 261c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 262c98d5d94SLen Brown continue; 263c98d5d94SLen Brown 264c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 265c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 266c98d5d94SLen Brown 267c98d5d94SLen Brown retval = func(t, c, p); 268c98d5d94SLen Brown if (retval) 269c98d5d94SLen Brown return retval; 270c98d5d94SLen Brown } 271c98d5d94SLen Brown } 272c98d5d94SLen Brown } 273d15cf7c1SLen Brown return 0; 274d15cf7c1SLen Brown } 275d15cf7c1SLen Brown 27688c3281fSLen Brown int cpu_migrate(int cpu) 27788c3281fSLen Brown { 278c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 279c98d5d94SLen Brown CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set); 280c98d5d94SLen Brown if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1) 28188c3281fSLen Brown return -1; 28288c3281fSLen Brown else 28388c3281fSLen Brown return 0; 28488c3281fSLen Brown } 28536229897SLen Brown int get_msr_fd(int cpu) 286103a8feaSLen Brown { 287103a8feaSLen Brown char pathname[32]; 288103a8feaSLen Brown int fd; 289103a8feaSLen Brown 29036229897SLen Brown fd = fd_percpu[cpu]; 29136229897SLen Brown 29236229897SLen Brown if (fd) 29336229897SLen Brown return fd; 29436229897SLen Brown 295103a8feaSLen Brown sprintf(pathname, "/dev/cpu/%d/msr", cpu); 296103a8feaSLen Brown fd = open(pathname, O_RDONLY); 29715aaa346SLen Brown if (fd < 0) 29898481e79SLen Brown err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname); 299103a8feaSLen Brown 30036229897SLen Brown fd_percpu[cpu] = fd; 30136229897SLen Brown 30236229897SLen Brown return fd; 30336229897SLen Brown } 30436229897SLen Brown 30536229897SLen Brown int get_msr(int cpu, off_t offset, unsigned long long *msr) 30636229897SLen Brown { 30736229897SLen Brown ssize_t retval; 30836229897SLen Brown 30936229897SLen Brown retval = pread(get_msr_fd(cpu), msr, sizeof(*msr), offset); 31015aaa346SLen Brown 31198481e79SLen Brown if (retval != sizeof *msr) 31236229897SLen Brown err(-1, "msr %d offset 0x%llx read failed", cpu, (unsigned long long)offset); 31315aaa346SLen Brown 31415aaa346SLen Brown return 0; 315103a8feaSLen Brown } 316103a8feaSLen Brown 317fc04cc67SLen Brown /* 318fc04cc67SLen Brown * Example Format w/ field column widths: 319fc04cc67SLen Brown * 32027d47356SLen Brown * Package Core CPU Avg_MHz Bzy_MHz TSC_MHz IRQ SMI Busy% CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp PkgTmp GFXMHz Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt 321562a2d37SLen Brown * 12345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678 322fc04cc67SLen Brown */ 323fc04cc67SLen Brown 324a829eb4dSLen Brown void print_header(void) 325103a8feaSLen Brown { 326103a8feaSLen Brown if (show_pkg) 327fc04cc67SLen Brown outp += sprintf(outp, " Package"); 328103a8feaSLen Brown if (show_core) 329fc04cc67SLen Brown outp += sprintf(outp, " Core"); 330103a8feaSLen Brown if (show_cpu) 331c98d5d94SLen Brown outp += sprintf(outp, " CPU"); 332103a8feaSLen Brown if (has_aperf) 333fc04cc67SLen Brown outp += sprintf(outp, " Avg_MHz"); 334d7899447SLen Brown if (has_aperf) 33575d2e44eSLen Brown outp += sprintf(outp, " Busy%%"); 336fc04cc67SLen Brown if (has_aperf) 337fc04cc67SLen Brown outp += sprintf(outp, " Bzy_MHz"); 338fc04cc67SLen Brown outp += sprintf(outp, " TSC_MHz"); 3391cc21f7bSLen Brown 3408e180f3cSLen Brown if (extra_delta_offset32) 341f9240813SLen Brown outp += sprintf(outp, " count 0x%03X", extra_delta_offset32); 3428e180f3cSLen Brown if (extra_delta_offset64) 343f9240813SLen Brown outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64); 3442f32edf1SLen Brown if (extra_msr_offset32) 3458e180f3cSLen Brown outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32); 3462f32edf1SLen Brown if (extra_msr_offset64) 3478e180f3cSLen Brown outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64); 3481cc21f7bSLen Brown 3491cc21f7bSLen Brown if (!debug) 3501cc21f7bSLen Brown goto done; 3511cc21f7bSLen Brown 352562a2d37SLen Brown if (do_irq) 353562a2d37SLen Brown outp += sprintf(outp, " IRQ"); 3541cc21f7bSLen Brown if (do_smi) 3551cc21f7bSLen Brown outp += sprintf(outp, " SMI"); 3561cc21f7bSLen Brown 357103a8feaSLen Brown if (do_nhm_cstates) 358fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c1"); 359fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) 360fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c3"); 361103a8feaSLen Brown if (do_nhm_cstates) 362fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c6"); 363103a8feaSLen Brown if (do_snb_cstates) 364fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c7"); 365889facbeSLen Brown 366889facbeSLen Brown if (do_dts) 367fc04cc67SLen Brown outp += sprintf(outp, " CoreTmp"); 368889facbeSLen Brown if (do_ptm) 369fc04cc67SLen Brown outp += sprintf(outp, " PkgTmp"); 370889facbeSLen Brown 371*fdf676e5SLen Brown if (do_gfx_rc6_ms) 372*fdf676e5SLen Brown outp += sprintf(outp, " GFX%%rc6"); 373*fdf676e5SLen Brown 37427d47356SLen Brown if (do_gfx_mhz) 37527d47356SLen Brown outp += sprintf(outp, " GFXMHz"); 37627d47356SLen Brown 3770b2bb692SLen Brown if (do_skl_residency) { 3780b2bb692SLen Brown outp += sprintf(outp, " Totl%%C0"); 3790b2bb692SLen Brown outp += sprintf(outp, " Any%%C0"); 3800b2bb692SLen Brown outp += sprintf(outp, " GFX%%C0"); 3810b2bb692SLen Brown outp += sprintf(outp, " CPUGFX%%"); 3820b2bb692SLen Brown } 3830b2bb692SLen Brown 384ee7e38e3SLen Brown if (do_pc2) 385fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc2"); 386ee7e38e3SLen Brown if (do_pc3) 387fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc3"); 388ee7e38e3SLen Brown if (do_pc6) 389fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc6"); 390ee7e38e3SLen Brown if (do_pc7) 391fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc7"); 392ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 393fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc8"); 394fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc9"); 395fc04cc67SLen Brown outp += sprintf(outp, " Pk%%pc10"); 396ca58710fSKristen Carlson Accardi } 397103a8feaSLen Brown 3985c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 399889facbeSLen Brown if (do_rapl & RAPL_PKG) 400fc04cc67SLen Brown outp += sprintf(outp, " PkgWatt"); 401889facbeSLen Brown if (do_rapl & RAPL_CORES) 402fc04cc67SLen Brown outp += sprintf(outp, " CorWatt"); 403889facbeSLen Brown if (do_rapl & RAPL_GFX) 404fc04cc67SLen Brown outp += sprintf(outp, " GFXWatt"); 405889facbeSLen Brown if (do_rapl & RAPL_DRAM) 406fc04cc67SLen Brown outp += sprintf(outp, " RAMWatt"); 407889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 408889facbeSLen Brown outp += sprintf(outp, " PKG_%%"); 409889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 410889facbeSLen Brown outp += sprintf(outp, " RAM_%%"); 411d7899447SLen Brown } else if (do_rapl && rapl_joules) { 4125c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 4135c56be9aSDirk Brandewie outp += sprintf(outp, " Pkg_J"); 4145c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 4155c56be9aSDirk Brandewie outp += sprintf(outp, " Cor_J"); 4165c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 4175c56be9aSDirk Brandewie outp += sprintf(outp, " GFX_J"); 4185c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 419bd6906edSLen Brown outp += sprintf(outp, " RAM_J"); 4205c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 4215c56be9aSDirk Brandewie outp += sprintf(outp, " PKG_%%"); 4225c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 4235c56be9aSDirk Brandewie outp += sprintf(outp, " RAM_%%"); 4245c56be9aSDirk Brandewie outp += sprintf(outp, " time"); 425889facbeSLen Brown 4265c56be9aSDirk Brandewie } 4271cc21f7bSLen Brown done: 428c98d5d94SLen Brown outp += sprintf(outp, "\n"); 429103a8feaSLen Brown } 430103a8feaSLen Brown 431c98d5d94SLen Brown int dump_counters(struct thread_data *t, struct core_data *c, 432c98d5d94SLen Brown struct pkg_data *p) 433103a8feaSLen Brown { 4343b4d5c7fSAndy Shevchenko outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p); 435c98d5d94SLen Brown 436c98d5d94SLen Brown if (t) { 4373b4d5c7fSAndy Shevchenko outp += sprintf(outp, "CPU: %d flags 0x%x\n", 4383b4d5c7fSAndy Shevchenko t->cpu_id, t->flags); 4393b4d5c7fSAndy Shevchenko outp += sprintf(outp, "TSC: %016llX\n", t->tsc); 4403b4d5c7fSAndy Shevchenko outp += sprintf(outp, "aperf: %016llX\n", t->aperf); 4413b4d5c7fSAndy Shevchenko outp += sprintf(outp, "mperf: %016llX\n", t->mperf); 4423b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c1: %016llX\n", t->c1); 4433b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 4448e180f3cSLen Brown extra_delta_offset32, t->extra_delta32); 4453b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 4468e180f3cSLen Brown extra_delta_offset64, t->extra_delta64); 4473b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 4482f32edf1SLen Brown extra_msr_offset32, t->extra_msr32); 4493b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 4502f32edf1SLen Brown extra_msr_offset64, t->extra_msr64); 451562a2d37SLen Brown if (do_irq) 452562a2d37SLen Brown outp += sprintf(outp, "IRQ: %08X\n", t->irq_count); 4531ed51011SLen Brown if (do_smi) 4543b4d5c7fSAndy Shevchenko outp += sprintf(outp, "SMI: %08X\n", t->smi_count); 455103a8feaSLen Brown } 456103a8feaSLen Brown 457c98d5d94SLen Brown if (c) { 4583b4d5c7fSAndy Shevchenko outp += sprintf(outp, "core: %d\n", c->core_id); 4593b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c3: %016llX\n", c->c3); 4603b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c6: %016llX\n", c->c6); 4613b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c7: %016llX\n", c->c7); 4623b4d5c7fSAndy Shevchenko outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c); 463c98d5d94SLen Brown } 464103a8feaSLen Brown 465c98d5d94SLen Brown if (p) { 4663b4d5c7fSAndy Shevchenko outp += sprintf(outp, "package: %d\n", p->package_id); 4670b2bb692SLen Brown 4680b2bb692SLen Brown outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0); 4690b2bb692SLen Brown outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0); 4700b2bb692SLen Brown outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0); 4710b2bb692SLen Brown outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0); 4720b2bb692SLen Brown 4733b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc2: %016llX\n", p->pc2); 474ee7e38e3SLen Brown if (do_pc3) 4753b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc3: %016llX\n", p->pc3); 476ee7e38e3SLen Brown if (do_pc6) 4773b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc6: %016llX\n", p->pc6); 478ee7e38e3SLen Brown if (do_pc7) 4793b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc7: %016llX\n", p->pc7); 4803b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc8: %016llX\n", p->pc8); 4813b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc9: %016llX\n", p->pc9); 4823b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc10: %016llX\n", p->pc10); 4833b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg); 4843b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores); 4853b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx); 4863b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram); 4873b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle PKG: %0X\n", 4883b4d5c7fSAndy Shevchenko p->rapl_pkg_perf_status); 4893b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle RAM: %0X\n", 4903b4d5c7fSAndy Shevchenko p->rapl_dram_perf_status); 4913b4d5c7fSAndy Shevchenko outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c); 492c98d5d94SLen Brown } 4933b4d5c7fSAndy Shevchenko 4943b4d5c7fSAndy Shevchenko outp += sprintf(outp, "\n"); 4953b4d5c7fSAndy Shevchenko 496c98d5d94SLen Brown return 0; 497103a8feaSLen Brown } 498103a8feaSLen Brown 499e23da037SLen Brown /* 500e23da037SLen Brown * column formatting convention & formats 501e23da037SLen Brown */ 502c98d5d94SLen Brown int format_counters(struct thread_data *t, struct core_data *c, 503c98d5d94SLen Brown struct pkg_data *p) 504103a8feaSLen Brown { 505103a8feaSLen Brown double interval_float; 506fc04cc67SLen Brown char *fmt8; 507103a8feaSLen Brown 508c98d5d94SLen Brown /* if showing only 1st thread in core and this isn't one, bail out */ 509c98d5d94SLen Brown if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 510c98d5d94SLen Brown return 0; 511c98d5d94SLen Brown 512c98d5d94SLen Brown /* if showing only 1st thread in pkg and this isn't one, bail out */ 513c98d5d94SLen Brown if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 514c98d5d94SLen Brown return 0; 515c98d5d94SLen Brown 516103a8feaSLen Brown interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0; 517103a8feaSLen Brown 518c98d5d94SLen Brown /* topo columns, print blanks on 1st (average) line */ 519c98d5d94SLen Brown if (t == &average.threads) { 520103a8feaSLen Brown if (show_pkg) 521fc04cc67SLen Brown outp += sprintf(outp, " -"); 522103a8feaSLen Brown if (show_core) 523fc04cc67SLen Brown outp += sprintf(outp, " -"); 524103a8feaSLen Brown if (show_cpu) 525fc04cc67SLen Brown outp += sprintf(outp, " -"); 526103a8feaSLen Brown } else { 527c98d5d94SLen Brown if (show_pkg) { 528c98d5d94SLen Brown if (p) 529fc04cc67SLen Brown outp += sprintf(outp, "%8d", p->package_id); 530c98d5d94SLen Brown else 531fc04cc67SLen Brown outp += sprintf(outp, " -"); 532c98d5d94SLen Brown } 533c98d5d94SLen Brown if (show_core) { 534c98d5d94SLen Brown if (c) 535fc04cc67SLen Brown outp += sprintf(outp, "%8d", c->core_id); 536c98d5d94SLen Brown else 537fc04cc67SLen Brown outp += sprintf(outp, " -"); 538c98d5d94SLen Brown } 539103a8feaSLen Brown if (show_cpu) 540fc04cc67SLen Brown outp += sprintf(outp, "%8d", t->cpu_id); 541103a8feaSLen Brown } 542fc04cc67SLen Brown 543d7899447SLen Brown /* Avg_MHz */ 544fc04cc67SLen Brown if (has_aperf) 545fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 546fc04cc67SLen Brown 1.0 / units * t->aperf / interval_float); 547fc04cc67SLen Brown 54875d2e44eSLen Brown /* Busy% */ 549d7899447SLen Brown if (has_aperf) { 550103a8feaSLen Brown if (!skip_c0) 551a2b7b749SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc/tsc_tweak); 552103a8feaSLen Brown else 553fc04cc67SLen Brown outp += sprintf(outp, "********"); 554103a8feaSLen Brown } 555103a8feaSLen Brown 556d7899447SLen Brown /* Bzy_MHz */ 55721ed5574SLen Brown if (has_aperf) { 55821ed5574SLen Brown if (has_base_hz) 55921ed5574SLen Brown outp += sprintf(outp, "%8.0f", base_hz / units * t->aperf / t->mperf); 56021ed5574SLen Brown else 561fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 56221ed5574SLen Brown 1.0 * t->tsc / units * t->aperf / t->mperf / interval_float); 56321ed5574SLen Brown } 564103a8feaSLen Brown 565d7899447SLen Brown /* TSC_MHz */ 566fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 1.0 * t->tsc/units/interval_float); 567103a8feaSLen Brown 5688e180f3cSLen Brown /* delta */ 5698e180f3cSLen Brown if (extra_delta_offset32) 5708e180f3cSLen Brown outp += sprintf(outp, " %11llu", t->extra_delta32); 5718e180f3cSLen Brown 5728e180f3cSLen Brown /* DELTA */ 5738e180f3cSLen Brown if (extra_delta_offset64) 5748e180f3cSLen Brown outp += sprintf(outp, " %11llu", t->extra_delta64); 5752f32edf1SLen Brown /* msr */ 5762f32edf1SLen Brown if (extra_msr_offset32) 5778e180f3cSLen Brown outp += sprintf(outp, " 0x%08llx", t->extra_msr32); 5782f32edf1SLen Brown 579130ff304SLen Brown /* MSR */ 5802f32edf1SLen Brown if (extra_msr_offset64) 5812f32edf1SLen Brown outp += sprintf(outp, " 0x%016llx", t->extra_msr64); 582130ff304SLen Brown 5831cc21f7bSLen Brown if (!debug) 5841cc21f7bSLen Brown goto done; 5851cc21f7bSLen Brown 586562a2d37SLen Brown /* IRQ */ 587562a2d37SLen Brown if (do_irq) 588562a2d37SLen Brown outp += sprintf(outp, "%8d", t->irq_count); 589562a2d37SLen Brown 5901cc21f7bSLen Brown /* SMI */ 5911cc21f7bSLen Brown if (do_smi) 5921cc21f7bSLen Brown outp += sprintf(outp, "%8d", t->smi_count); 5931cc21f7bSLen Brown 594103a8feaSLen Brown if (do_nhm_cstates) { 595103a8feaSLen Brown if (!skip_c1) 596fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * t->c1/t->tsc); 597103a8feaSLen Brown else 598fc04cc67SLen Brown outp += sprintf(outp, "********"); 599103a8feaSLen Brown } 600c98d5d94SLen Brown 601c98d5d94SLen Brown /* print per-core data only for 1st thread in core */ 602c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 603c98d5d94SLen Brown goto done; 604c98d5d94SLen Brown 605fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) 606fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c3/t->tsc); 607103a8feaSLen Brown if (do_nhm_cstates) 608fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c6/t->tsc); 609103a8feaSLen Brown if (do_snb_cstates) 610fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c7/t->tsc); 611c98d5d94SLen Brown 612889facbeSLen Brown if (do_dts) 613fc04cc67SLen Brown outp += sprintf(outp, "%8d", c->core_temp_c); 614889facbeSLen Brown 615c98d5d94SLen Brown /* print per-package data only for 1st core in package */ 616c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 617c98d5d94SLen Brown goto done; 618c98d5d94SLen Brown 6190b2bb692SLen Brown /* PkgTmp */ 620889facbeSLen Brown if (do_ptm) 621fc04cc67SLen Brown outp += sprintf(outp, "%8d", p->pkg_temp_c); 622889facbeSLen Brown 623*fdf676e5SLen Brown /* GFXrc6 */ 624*fdf676e5SLen Brown if (do_gfx_rc6_ms) 625*fdf676e5SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->gfx_rc6_ms / 1000.0 / interval_float); 626*fdf676e5SLen Brown 62727d47356SLen Brown /* GFXMHz */ 62827d47356SLen Brown if (do_gfx_mhz) 62927d47356SLen Brown outp += sprintf(outp, "%8d", p->gfx_mhz); 63027d47356SLen Brown 6310b2bb692SLen Brown /* Totl%C0, Any%C0 GFX%C0 CPUGFX% */ 6320b2bb692SLen Brown if (do_skl_residency) { 6330b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_wtd_core_c0/t->tsc); 6340b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_core_c0/t->tsc); 6350b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_gfxe_c0/t->tsc); 6360b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_both_core_gfxe_c0/t->tsc); 6370b2bb692SLen Brown } 6380b2bb692SLen Brown 639ee7e38e3SLen Brown if (do_pc2) 640fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc2/t->tsc); 641ee7e38e3SLen Brown if (do_pc3) 642fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc3/t->tsc); 643ee7e38e3SLen Brown if (do_pc6) 644fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc6/t->tsc); 645ee7e38e3SLen Brown if (do_pc7) 646fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc7/t->tsc); 647ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 648fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc8/t->tsc); 649fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc9/t->tsc); 650fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc10/t->tsc); 651ca58710fSKristen Carlson Accardi } 652889facbeSLen Brown 653889facbeSLen Brown /* 654889facbeSLen Brown * If measurement interval exceeds minimum RAPL Joule Counter range, 655889facbeSLen Brown * indicate that results are suspect by printing "**" in fraction place. 656889facbeSLen Brown */ 657fc04cc67SLen Brown if (interval_float < rapl_joule_counter_range) 658fc04cc67SLen Brown fmt8 = "%8.2f"; 659fc04cc67SLen Brown else 660fc04cc67SLen Brown fmt8 = " %6.0f**"; 661889facbeSLen Brown 6625c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 663889facbeSLen Brown if (do_rapl & RAPL_PKG) 664fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float); 665889facbeSLen Brown if (do_rapl & RAPL_CORES) 666fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float); 667889facbeSLen Brown if (do_rapl & RAPL_GFX) 668fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float); 669889facbeSLen Brown if (do_rapl & RAPL_DRAM) 67040ee8e3bSAndrey Semin outp += sprintf(outp, fmt8, p->energy_dram * rapl_dram_energy_units / interval_float); 671889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 672fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 673889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 674fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 675d7899447SLen Brown } else if (do_rapl && rapl_joules) { 6765c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 677fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6785c56be9aSDirk Brandewie p->energy_pkg * rapl_energy_units); 6795c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 680fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6815c56be9aSDirk Brandewie p->energy_cores * rapl_energy_units); 6825c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 683fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6845c56be9aSDirk Brandewie p->energy_gfx * rapl_energy_units); 6855c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 686fc04cc67SLen Brown outp += sprintf(outp, fmt8, 68740ee8e3bSAndrey Semin p->energy_dram * rapl_dram_energy_units); 6885c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 689fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 6905c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 691fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 692889facbeSLen Brown 693d7899447SLen Brown outp += sprintf(outp, fmt8, interval_float); 6945c56be9aSDirk Brandewie } 695c98d5d94SLen Brown done: 696c98d5d94SLen Brown outp += sprintf(outp, "\n"); 697c98d5d94SLen Brown 698c98d5d94SLen Brown return 0; 699103a8feaSLen Brown } 700103a8feaSLen Brown 701b7d8c148SLen Brown void flush_output_stdout(void) 702103a8feaSLen Brown { 703b7d8c148SLen Brown FILE *filep; 704b7d8c148SLen Brown 705b7d8c148SLen Brown if (outf == stderr) 706b7d8c148SLen Brown filep = stdout; 707b7d8c148SLen Brown else 708b7d8c148SLen Brown filep = outf; 709b7d8c148SLen Brown 710b7d8c148SLen Brown fputs(output_buffer, filep); 711b7d8c148SLen Brown fflush(filep); 712b7d8c148SLen Brown 713c98d5d94SLen Brown outp = output_buffer; 714c98d5d94SLen Brown } 715b7d8c148SLen Brown void flush_output_stderr(void) 716c98d5d94SLen Brown { 717b7d8c148SLen Brown fputs(output_buffer, outf); 718b7d8c148SLen Brown fflush(outf); 719c98d5d94SLen Brown outp = output_buffer; 720c98d5d94SLen Brown } 721c98d5d94SLen Brown void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 722c98d5d94SLen Brown { 723e23da037SLen Brown static int printed; 724103a8feaSLen Brown 725e23da037SLen Brown if (!printed || !summary_only) 726103a8feaSLen Brown print_header(); 727103a8feaSLen Brown 728c98d5d94SLen Brown if (topo.num_cpus > 1) 729c98d5d94SLen Brown format_counters(&average.threads, &average.cores, 730c98d5d94SLen Brown &average.packages); 731103a8feaSLen Brown 732e23da037SLen Brown printed = 1; 733e23da037SLen Brown 734e23da037SLen Brown if (summary_only) 735e23da037SLen Brown return; 736e23da037SLen Brown 737c98d5d94SLen Brown for_all_cpus(format_counters, t, c, p); 738103a8feaSLen Brown } 739103a8feaSLen Brown 740889facbeSLen Brown #define DELTA_WRAP32(new, old) \ 741889facbeSLen Brown if (new > old) { \ 742889facbeSLen Brown old = new - old; \ 743889facbeSLen Brown } else { \ 744889facbeSLen Brown old = 0x100000000 + new - old; \ 745889facbeSLen Brown } 746889facbeSLen Brown 747c98d5d94SLen Brown void 748c98d5d94SLen Brown delta_package(struct pkg_data *new, struct pkg_data *old) 749103a8feaSLen Brown { 7500b2bb692SLen Brown 7510b2bb692SLen Brown if (do_skl_residency) { 7520b2bb692SLen Brown old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0; 7530b2bb692SLen Brown old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0; 7540b2bb692SLen Brown old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0; 7550b2bb692SLen Brown old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0; 7560b2bb692SLen Brown } 757c98d5d94SLen Brown old->pc2 = new->pc2 - old->pc2; 758ee7e38e3SLen Brown if (do_pc3) 759c98d5d94SLen Brown old->pc3 = new->pc3 - old->pc3; 760ee7e38e3SLen Brown if (do_pc6) 761c98d5d94SLen Brown old->pc6 = new->pc6 - old->pc6; 762ee7e38e3SLen Brown if (do_pc7) 763c98d5d94SLen Brown old->pc7 = new->pc7 - old->pc7; 764ca58710fSKristen Carlson Accardi old->pc8 = new->pc8 - old->pc8; 765ca58710fSKristen Carlson Accardi old->pc9 = new->pc9 - old->pc9; 766ca58710fSKristen Carlson Accardi old->pc10 = new->pc10 - old->pc10; 767889facbeSLen Brown old->pkg_temp_c = new->pkg_temp_c; 768889facbeSLen Brown 769*fdf676e5SLen Brown old->gfx_rc6_ms = new->gfx_rc6_ms - old->gfx_rc6_ms; 77027d47356SLen Brown old->gfx_mhz = new->gfx_mhz; 77127d47356SLen Brown 772889facbeSLen Brown DELTA_WRAP32(new->energy_pkg, old->energy_pkg); 773889facbeSLen Brown DELTA_WRAP32(new->energy_cores, old->energy_cores); 774889facbeSLen Brown DELTA_WRAP32(new->energy_gfx, old->energy_gfx); 775889facbeSLen Brown DELTA_WRAP32(new->energy_dram, old->energy_dram); 776889facbeSLen Brown DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status); 777889facbeSLen Brown DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status); 778103a8feaSLen Brown } 779103a8feaSLen Brown 780c98d5d94SLen Brown void 781c98d5d94SLen Brown delta_core(struct core_data *new, struct core_data *old) 782c98d5d94SLen Brown { 783c98d5d94SLen Brown old->c3 = new->c3 - old->c3; 784c98d5d94SLen Brown old->c6 = new->c6 - old->c6; 785c98d5d94SLen Brown old->c7 = new->c7 - old->c7; 786889facbeSLen Brown old->core_temp_c = new->core_temp_c; 787103a8feaSLen Brown } 788c98d5d94SLen Brown 789c3ae331dSLen Brown /* 790c3ae331dSLen Brown * old = new - old 791c3ae331dSLen Brown */ 792c98d5d94SLen Brown void 793c98d5d94SLen Brown delta_thread(struct thread_data *new, struct thread_data *old, 794c98d5d94SLen Brown struct core_data *core_delta) 795c98d5d94SLen Brown { 796c98d5d94SLen Brown old->tsc = new->tsc - old->tsc; 797c98d5d94SLen Brown 798103a8feaSLen Brown /* check for TSC < 1 Mcycles over interval */ 799b2c95d90SJosh Triplett if (old->tsc < (1000 * 1000)) 800b2c95d90SJosh Triplett errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n" 801b2c95d90SJosh Triplett "You can disable all c-states by booting with \"idle=poll\"\n" 802b2c95d90SJosh Triplett "or just the deep ones with \"processor.max_cstate=1\""); 803103a8feaSLen Brown 804c98d5d94SLen Brown old->c1 = new->c1 - old->c1; 805c98d5d94SLen Brown 806a729617cSLen Brown if (has_aperf) { 807c98d5d94SLen Brown if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) { 808c98d5d94SLen Brown old->aperf = new->aperf - old->aperf; 809c98d5d94SLen Brown old->mperf = new->mperf - old->mperf; 810c98d5d94SLen Brown } else { 811c98d5d94SLen Brown 812103a8feaSLen Brown if (!aperf_mperf_unstable) { 813b7d8c148SLen Brown fprintf(outf, "%s: APERF or MPERF went backwards *\n", progname); 814b7d8c148SLen Brown fprintf(outf, "* Frequency results do not cover entire interval *\n"); 815b7d8c148SLen Brown fprintf(outf, "* fix this by running Linux-2.6.30 or later *\n"); 816103a8feaSLen Brown 817103a8feaSLen Brown aperf_mperf_unstable = 1; 818103a8feaSLen Brown } 819103a8feaSLen Brown /* 820103a8feaSLen Brown * mperf delta is likely a huge "positive" number 821103a8feaSLen Brown * can not use it for calculating c0 time 822103a8feaSLen Brown */ 823103a8feaSLen Brown skip_c0 = 1; 824103a8feaSLen Brown skip_c1 = 1; 825103a8feaSLen Brown } 826a729617cSLen Brown } 827103a8feaSLen Brown 828c98d5d94SLen Brown 829144b44b1SLen Brown if (use_c1_residency_msr) { 830144b44b1SLen Brown /* 831144b44b1SLen Brown * Some models have a dedicated C1 residency MSR, 832144b44b1SLen Brown * which should be more accurate than the derivation below. 833144b44b1SLen Brown */ 834144b44b1SLen Brown } else { 835103a8feaSLen Brown /* 836c3ae331dSLen Brown * As counter collection is not atomic, 837c3ae331dSLen Brown * it is possible for mperf's non-halted cycles + idle states 838103a8feaSLen Brown * to exceed TSC's all cycles: show c1 = 0% in that case. 839103a8feaSLen Brown */ 840c3ae331dSLen Brown if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc) 841c98d5d94SLen Brown old->c1 = 0; 842c98d5d94SLen Brown else { 843c98d5d94SLen Brown /* normal case, derive c1 */ 844c98d5d94SLen Brown old->c1 = old->tsc - old->mperf - core_delta->c3 845c98d5d94SLen Brown - core_delta->c6 - core_delta->c7; 846c98d5d94SLen Brown } 847144b44b1SLen Brown } 848c3ae331dSLen Brown 849c98d5d94SLen Brown if (old->mperf == 0) { 850b7d8c148SLen Brown if (debug > 1) 851b7d8c148SLen Brown fprintf(outf, "cpu%d MPERF 0!\n", old->cpu_id); 852c98d5d94SLen Brown old->mperf = 1; /* divide by 0 protection */ 853c98d5d94SLen Brown } 854103a8feaSLen Brown 8558e180f3cSLen Brown old->extra_delta32 = new->extra_delta32 - old->extra_delta32; 8568e180f3cSLen Brown old->extra_delta32 &= 0xFFFFFFFF; 8578e180f3cSLen Brown 8588e180f3cSLen Brown old->extra_delta64 = new->extra_delta64 - old->extra_delta64; 8598e180f3cSLen Brown 860103a8feaSLen Brown /* 8618e180f3cSLen Brown * Extra MSR is just a snapshot, simply copy latest w/o subtracting 862103a8feaSLen Brown */ 8632f32edf1SLen Brown old->extra_msr32 = new->extra_msr32; 8642f32edf1SLen Brown old->extra_msr64 = new->extra_msr64; 8651ed51011SLen Brown 866562a2d37SLen Brown if (do_irq) 867562a2d37SLen Brown old->irq_count = new->irq_count - old->irq_count; 868562a2d37SLen Brown 8691ed51011SLen Brown if (do_smi) 8701ed51011SLen Brown old->smi_count = new->smi_count - old->smi_count; 871103a8feaSLen Brown } 872c98d5d94SLen Brown 873c98d5d94SLen Brown int delta_cpu(struct thread_data *t, struct core_data *c, 874c98d5d94SLen Brown struct pkg_data *p, struct thread_data *t2, 875c98d5d94SLen Brown struct core_data *c2, struct pkg_data *p2) 876c98d5d94SLen Brown { 877c98d5d94SLen Brown /* calculate core delta only for 1st thread in core */ 878c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE) 879c98d5d94SLen Brown delta_core(c, c2); 880c98d5d94SLen Brown 881c98d5d94SLen Brown /* always calculate thread delta */ 882c98d5d94SLen Brown delta_thread(t, t2, c2); /* c2 is core delta */ 883c98d5d94SLen Brown 884c98d5d94SLen Brown /* calculate package delta only for 1st core in package */ 885c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE) 886c98d5d94SLen Brown delta_package(p, p2); 887c98d5d94SLen Brown 888103a8feaSLen Brown return 0; 889103a8feaSLen Brown } 890103a8feaSLen Brown 891c98d5d94SLen Brown void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 892103a8feaSLen Brown { 893c98d5d94SLen Brown t->tsc = 0; 894c98d5d94SLen Brown t->aperf = 0; 895c98d5d94SLen Brown t->mperf = 0; 896c98d5d94SLen Brown t->c1 = 0; 897103a8feaSLen Brown 8988e180f3cSLen Brown t->extra_delta32 = 0; 8998e180f3cSLen Brown t->extra_delta64 = 0; 9008e180f3cSLen Brown 901562a2d37SLen Brown t->irq_count = 0; 902562a2d37SLen Brown t->smi_count = 0; 903562a2d37SLen Brown 904c98d5d94SLen Brown /* tells format_counters to dump all fields from this set */ 905c98d5d94SLen Brown t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE; 906c98d5d94SLen Brown 907c98d5d94SLen Brown c->c3 = 0; 908c98d5d94SLen Brown c->c6 = 0; 909c98d5d94SLen Brown c->c7 = 0; 910889facbeSLen Brown c->core_temp_c = 0; 911c98d5d94SLen Brown 9120b2bb692SLen Brown p->pkg_wtd_core_c0 = 0; 9130b2bb692SLen Brown p->pkg_any_core_c0 = 0; 9140b2bb692SLen Brown p->pkg_any_gfxe_c0 = 0; 9150b2bb692SLen Brown p->pkg_both_core_gfxe_c0 = 0; 9160b2bb692SLen Brown 917c98d5d94SLen Brown p->pc2 = 0; 918ee7e38e3SLen Brown if (do_pc3) 919c98d5d94SLen Brown p->pc3 = 0; 920ee7e38e3SLen Brown if (do_pc6) 921c98d5d94SLen Brown p->pc6 = 0; 922ee7e38e3SLen Brown if (do_pc7) 923c98d5d94SLen Brown p->pc7 = 0; 924ca58710fSKristen Carlson Accardi p->pc8 = 0; 925ca58710fSKristen Carlson Accardi p->pc9 = 0; 926ca58710fSKristen Carlson Accardi p->pc10 = 0; 927889facbeSLen Brown 928889facbeSLen Brown p->energy_pkg = 0; 929889facbeSLen Brown p->energy_dram = 0; 930889facbeSLen Brown p->energy_cores = 0; 931889facbeSLen Brown p->energy_gfx = 0; 932889facbeSLen Brown p->rapl_pkg_perf_status = 0; 933889facbeSLen Brown p->rapl_dram_perf_status = 0; 934889facbeSLen Brown p->pkg_temp_c = 0; 93527d47356SLen Brown 936*fdf676e5SLen Brown p->gfx_rc6_ms = 0; 93727d47356SLen Brown p->gfx_mhz = 0; 938103a8feaSLen Brown } 939c98d5d94SLen Brown int sum_counters(struct thread_data *t, struct core_data *c, 940c98d5d94SLen Brown struct pkg_data *p) 941103a8feaSLen Brown { 942c98d5d94SLen Brown average.threads.tsc += t->tsc; 943c98d5d94SLen Brown average.threads.aperf += t->aperf; 944c98d5d94SLen Brown average.threads.mperf += t->mperf; 945c98d5d94SLen Brown average.threads.c1 += t->c1; 94615aaa346SLen Brown 9478e180f3cSLen Brown average.threads.extra_delta32 += t->extra_delta32; 9488e180f3cSLen Brown average.threads.extra_delta64 += t->extra_delta64; 9498e180f3cSLen Brown 950562a2d37SLen Brown average.threads.irq_count += t->irq_count; 951562a2d37SLen Brown average.threads.smi_count += t->smi_count; 952562a2d37SLen Brown 953c98d5d94SLen Brown /* sum per-core values only for 1st thread in core */ 954c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 955c98d5d94SLen Brown return 0; 956c98d5d94SLen Brown 957c98d5d94SLen Brown average.cores.c3 += c->c3; 958c98d5d94SLen Brown average.cores.c6 += c->c6; 959c98d5d94SLen Brown average.cores.c7 += c->c7; 960c98d5d94SLen Brown 961889facbeSLen Brown average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c); 962889facbeSLen Brown 963c98d5d94SLen Brown /* sum per-pkg values only for 1st core in pkg */ 964c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 965c98d5d94SLen Brown return 0; 966c98d5d94SLen Brown 9670b2bb692SLen Brown if (do_skl_residency) { 9680b2bb692SLen Brown average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0; 9690b2bb692SLen Brown average.packages.pkg_any_core_c0 += p->pkg_any_core_c0; 9700b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0; 9710b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0; 9720b2bb692SLen Brown } 9730b2bb692SLen Brown 974c98d5d94SLen Brown average.packages.pc2 += p->pc2; 975ee7e38e3SLen Brown if (do_pc3) 976c98d5d94SLen Brown average.packages.pc3 += p->pc3; 977ee7e38e3SLen Brown if (do_pc6) 978c98d5d94SLen Brown average.packages.pc6 += p->pc6; 979ee7e38e3SLen Brown if (do_pc7) 980c98d5d94SLen Brown average.packages.pc7 += p->pc7; 981ca58710fSKristen Carlson Accardi average.packages.pc8 += p->pc8; 982ca58710fSKristen Carlson Accardi average.packages.pc9 += p->pc9; 983ca58710fSKristen Carlson Accardi average.packages.pc10 += p->pc10; 984c98d5d94SLen Brown 985889facbeSLen Brown average.packages.energy_pkg += p->energy_pkg; 986889facbeSLen Brown average.packages.energy_dram += p->energy_dram; 987889facbeSLen Brown average.packages.energy_cores += p->energy_cores; 988889facbeSLen Brown average.packages.energy_gfx += p->energy_gfx; 989889facbeSLen Brown 990*fdf676e5SLen Brown average.packages.gfx_rc6_ms = p->gfx_rc6_ms; 99127d47356SLen Brown average.packages.gfx_mhz = p->gfx_mhz; 99227d47356SLen Brown 993889facbeSLen Brown average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c); 994889facbeSLen Brown 995889facbeSLen Brown average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status; 996889facbeSLen Brown average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status; 997c98d5d94SLen Brown return 0; 998c98d5d94SLen Brown } 999c98d5d94SLen Brown /* 1000c98d5d94SLen Brown * sum the counters for all cpus in the system 1001c98d5d94SLen Brown * compute the weighted average 1002c98d5d94SLen Brown */ 1003c98d5d94SLen Brown void compute_average(struct thread_data *t, struct core_data *c, 1004c98d5d94SLen Brown struct pkg_data *p) 1005c98d5d94SLen Brown { 1006c98d5d94SLen Brown clear_counters(&average.threads, &average.cores, &average.packages); 1007c98d5d94SLen Brown 1008c98d5d94SLen Brown for_all_cpus(sum_counters, t, c, p); 1009c98d5d94SLen Brown 1010c98d5d94SLen Brown average.threads.tsc /= topo.num_cpus; 1011c98d5d94SLen Brown average.threads.aperf /= topo.num_cpus; 1012c98d5d94SLen Brown average.threads.mperf /= topo.num_cpus; 1013c98d5d94SLen Brown average.threads.c1 /= topo.num_cpus; 1014c98d5d94SLen Brown 10158e180f3cSLen Brown average.threads.extra_delta32 /= topo.num_cpus; 10168e180f3cSLen Brown average.threads.extra_delta32 &= 0xFFFFFFFF; 10178e180f3cSLen Brown 10188e180f3cSLen Brown average.threads.extra_delta64 /= topo.num_cpus; 10198e180f3cSLen Brown 1020c98d5d94SLen Brown average.cores.c3 /= topo.num_cores; 1021c98d5d94SLen Brown average.cores.c6 /= topo.num_cores; 1022c98d5d94SLen Brown average.cores.c7 /= topo.num_cores; 1023c98d5d94SLen Brown 10240b2bb692SLen Brown if (do_skl_residency) { 10250b2bb692SLen Brown average.packages.pkg_wtd_core_c0 /= topo.num_packages; 10260b2bb692SLen Brown average.packages.pkg_any_core_c0 /= topo.num_packages; 10270b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 /= topo.num_packages; 10280b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 /= topo.num_packages; 10290b2bb692SLen Brown } 10300b2bb692SLen Brown 1031c98d5d94SLen Brown average.packages.pc2 /= topo.num_packages; 1032ee7e38e3SLen Brown if (do_pc3) 1033c98d5d94SLen Brown average.packages.pc3 /= topo.num_packages; 1034ee7e38e3SLen Brown if (do_pc6) 1035c98d5d94SLen Brown average.packages.pc6 /= topo.num_packages; 1036ee7e38e3SLen Brown if (do_pc7) 1037c98d5d94SLen Brown average.packages.pc7 /= topo.num_packages; 1038ca58710fSKristen Carlson Accardi 1039ca58710fSKristen Carlson Accardi average.packages.pc8 /= topo.num_packages; 1040ca58710fSKristen Carlson Accardi average.packages.pc9 /= topo.num_packages; 1041ca58710fSKristen Carlson Accardi average.packages.pc10 /= topo.num_packages; 1042c98d5d94SLen Brown } 1043c98d5d94SLen Brown 1044c98d5d94SLen Brown static unsigned long long rdtsc(void) 1045c98d5d94SLen Brown { 1046c98d5d94SLen Brown unsigned int low, high; 1047c98d5d94SLen Brown 1048c98d5d94SLen Brown asm volatile("rdtsc" : "=a" (low), "=d" (high)); 1049c98d5d94SLen Brown 1050c98d5d94SLen Brown return low | ((unsigned long long)high) << 32; 1051c98d5d94SLen Brown } 1052c98d5d94SLen Brown 1053c98d5d94SLen Brown /* 1054c98d5d94SLen Brown * get_counters(...) 1055c98d5d94SLen Brown * migrate to cpu 1056c98d5d94SLen Brown * acquire and record local counters for that cpu 1057c98d5d94SLen Brown */ 1058c98d5d94SLen Brown int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1059c98d5d94SLen Brown { 1060c98d5d94SLen Brown int cpu = t->cpu_id; 1061889facbeSLen Brown unsigned long long msr; 1062c98d5d94SLen Brown 1063e52966c0SLen Brown if (cpu_migrate(cpu)) { 1064b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 106515aaa346SLen Brown return -1; 1066e52966c0SLen Brown } 106715aaa346SLen Brown 1068c98d5d94SLen Brown t->tsc = rdtsc(); /* we are running on local CPU of interest */ 106915aaa346SLen Brown 107015aaa346SLen Brown if (has_aperf) { 10719c63a650SLen Brown if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 1072c98d5d94SLen Brown return -3; 10739c63a650SLen Brown if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf)) 1074c98d5d94SLen Brown return -4; 1075b2b34dfeSHubert Chrzaniuk t->aperf = t->aperf * aperf_mperf_multiplier; 1076b2b34dfeSHubert Chrzaniuk t->mperf = t->mperf * aperf_mperf_multiplier; 107788c3281fSLen Brown } 107888c3281fSLen Brown 1079562a2d37SLen Brown if (do_irq) 1080562a2d37SLen Brown t->irq_count = irqs_per_cpu[cpu]; 10811ed51011SLen Brown if (do_smi) { 10821ed51011SLen Brown if (get_msr(cpu, MSR_SMI_COUNT, &msr)) 10831ed51011SLen Brown return -5; 10841ed51011SLen Brown t->smi_count = msr & 0xFFFFFFFF; 10851ed51011SLen Brown } 10868e180f3cSLen Brown if (extra_delta_offset32) { 1087889facbeSLen Brown if (get_msr(cpu, extra_delta_offset32, &msr)) 10882f32edf1SLen Brown return -5; 1089889facbeSLen Brown t->extra_delta32 = msr & 0xFFFFFFFF; 10908e180f3cSLen Brown } 10918e180f3cSLen Brown 10928e180f3cSLen Brown if (extra_delta_offset64) 10938e180f3cSLen Brown if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64)) 10948e180f3cSLen Brown return -5; 10958e180f3cSLen Brown 10968e180f3cSLen Brown if (extra_msr_offset32) { 1097889facbeSLen Brown if (get_msr(cpu, extra_msr_offset32, &msr)) 10988e180f3cSLen Brown return -5; 1099889facbeSLen Brown t->extra_msr32 = msr & 0xFFFFFFFF; 11008e180f3cSLen Brown } 11012f32edf1SLen Brown 11022f32edf1SLen Brown if (extra_msr_offset64) 11032f32edf1SLen Brown if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64)) 1104c98d5d94SLen Brown return -5; 1105c98d5d94SLen Brown 1106144b44b1SLen Brown if (use_c1_residency_msr) { 1107144b44b1SLen Brown if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1)) 1108144b44b1SLen Brown return -6; 1109144b44b1SLen Brown } 1110144b44b1SLen Brown 1111c98d5d94SLen Brown /* collect core counters only for 1st thread in core */ 1112c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 1113c98d5d94SLen Brown return 0; 1114c98d5d94SLen Brown 1115fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) { 1116c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3)) 1117c98d5d94SLen Brown return -6; 1118144b44b1SLen Brown } 1119144b44b1SLen Brown 1120fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_knl_cstates) { 1121c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6)) 1122c98d5d94SLen Brown return -7; 1123fb5d4327SDasaratharaman Chandramouli } else if (do_knl_cstates) { 1124fb5d4327SDasaratharaman Chandramouli if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6)) 1125fb5d4327SDasaratharaman Chandramouli return -7; 1126103a8feaSLen Brown } 112715aaa346SLen Brown 112815aaa346SLen Brown if (do_snb_cstates) 1129c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7)) 1130c98d5d94SLen Brown return -8; 1131c98d5d94SLen Brown 1132889facbeSLen Brown if (do_dts) { 1133889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 1134889facbeSLen Brown return -9; 1135889facbeSLen Brown c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1136889facbeSLen Brown } 1137889facbeSLen Brown 1138889facbeSLen Brown 1139c98d5d94SLen Brown /* collect package counters only for 1st core in package */ 1140c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1141c98d5d94SLen Brown return 0; 114215aaa346SLen Brown 11430b2bb692SLen Brown if (do_skl_residency) { 11440b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0)) 11450b2bb692SLen Brown return -10; 11460b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0)) 11470b2bb692SLen Brown return -11; 11480b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0)) 11490b2bb692SLen Brown return -12; 11500b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0)) 11510b2bb692SLen Brown return -13; 11520b2bb692SLen Brown } 1153ee7e38e3SLen Brown if (do_pc3) 1154c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3)) 1155c98d5d94SLen Brown return -9; 1156ee7e38e3SLen Brown if (do_pc6) 1157c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6)) 1158c98d5d94SLen Brown return -10; 1159ee7e38e3SLen Brown if (do_pc2) 1160c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2)) 1161c98d5d94SLen Brown return -11; 1162ee7e38e3SLen Brown if (do_pc7) 1163c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7)) 1164c98d5d94SLen Brown return -12; 1165ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 1166ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8)) 1167ca58710fSKristen Carlson Accardi return -13; 1168ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9)) 1169ca58710fSKristen Carlson Accardi return -13; 1170ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10)) 1171ca58710fSKristen Carlson Accardi return -13; 1172ca58710fSKristen Carlson Accardi } 1173889facbeSLen Brown if (do_rapl & RAPL_PKG) { 1174889facbeSLen Brown if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr)) 1175889facbeSLen Brown return -13; 1176889facbeSLen Brown p->energy_pkg = msr & 0xFFFFFFFF; 1177889facbeSLen Brown } 1178889facbeSLen Brown if (do_rapl & RAPL_CORES) { 1179889facbeSLen Brown if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr)) 1180889facbeSLen Brown return -14; 1181889facbeSLen Brown p->energy_cores = msr & 0xFFFFFFFF; 1182889facbeSLen Brown } 1183889facbeSLen Brown if (do_rapl & RAPL_DRAM) { 1184889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr)) 1185889facbeSLen Brown return -15; 1186889facbeSLen Brown p->energy_dram = msr & 0xFFFFFFFF; 1187889facbeSLen Brown } 1188889facbeSLen Brown if (do_rapl & RAPL_GFX) { 1189889facbeSLen Brown if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr)) 1190889facbeSLen Brown return -16; 1191889facbeSLen Brown p->energy_gfx = msr & 0xFFFFFFFF; 1192889facbeSLen Brown } 1193889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) { 1194889facbeSLen Brown if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr)) 1195889facbeSLen Brown return -16; 1196889facbeSLen Brown p->rapl_pkg_perf_status = msr & 0xFFFFFFFF; 1197889facbeSLen Brown } 1198889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) { 1199889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr)) 1200889facbeSLen Brown return -16; 1201889facbeSLen Brown p->rapl_dram_perf_status = msr & 0xFFFFFFFF; 1202889facbeSLen Brown } 1203889facbeSLen Brown if (do_ptm) { 1204889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 1205889facbeSLen Brown return -17; 1206889facbeSLen Brown p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1207889facbeSLen Brown } 1208*fdf676e5SLen Brown 1209*fdf676e5SLen Brown if (do_gfx_rc6_ms) 1210*fdf676e5SLen Brown p->gfx_rc6_ms = gfx_cur_rc6_ms; 1211*fdf676e5SLen Brown 121227d47356SLen Brown if (do_gfx_mhz) 121327d47356SLen Brown p->gfx_mhz = gfx_cur_mhz; 121427d47356SLen Brown 121515aaa346SLen Brown return 0; 1216103a8feaSLen Brown } 1217103a8feaSLen Brown 1218ee7e38e3SLen Brown /* 1219ee7e38e3SLen Brown * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit: 1220ee7e38e3SLen Brown * If you change the values, note they are used both in comparisons 1221ee7e38e3SLen Brown * (>= PCL__7) and to index pkg_cstate_limit_strings[]. 1222ee7e38e3SLen Brown */ 1223ee7e38e3SLen Brown 1224ee7e38e3SLen Brown #define PCLUKN 0 /* Unknown */ 1225ee7e38e3SLen Brown #define PCLRSV 1 /* Reserved */ 1226ee7e38e3SLen Brown #define PCL__0 2 /* PC0 */ 1227ee7e38e3SLen Brown #define PCL__1 3 /* PC1 */ 1228ee7e38e3SLen Brown #define PCL__2 4 /* PC2 */ 1229ee7e38e3SLen Brown #define PCL__3 5 /* PC3 */ 1230ee7e38e3SLen Brown #define PCL__4 6 /* PC4 */ 1231ee7e38e3SLen Brown #define PCL__6 7 /* PC6 */ 1232ee7e38e3SLen Brown #define PCL_6N 8 /* PC6 No Retention */ 1233ee7e38e3SLen Brown #define PCL_6R 9 /* PC6 Retention */ 1234ee7e38e3SLen Brown #define PCL__7 10 /* PC7 */ 1235ee7e38e3SLen Brown #define PCL_7S 11 /* PC7 Shrink */ 12360b2bb692SLen Brown #define PCL__8 12 /* PC8 */ 12370b2bb692SLen Brown #define PCL__9 13 /* PC9 */ 12380b2bb692SLen Brown #define PCLUNL 14 /* Unlimited */ 1239ee7e38e3SLen Brown 1240ee7e38e3SLen Brown int pkg_cstate_limit = PCLUKN; 1241ee7e38e3SLen Brown char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2", 12420b2bb692SLen Brown "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"}; 1243ee7e38e3SLen Brown 1244e9257f5fSLen Brown 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}; 1245e9257f5fSLen Brown 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}; 1246e9257f5fSLen Brown 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}; 1247e9257f5fSLen Brown 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, PCLRSV, PCLRSV}; 1248e9257f5fSLen Brown int amt_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1249e9257f5fSLen Brown 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}; 1250ee7e38e3SLen Brown 1251a2b7b749SLen Brown 1252a2b7b749SLen Brown static void 1253a2b7b749SLen Brown calculate_tsc_tweak() 1254a2b7b749SLen Brown { 1255a2b7b749SLen Brown tsc_tweak = base_hz / tsc_hz; 1256a2b7b749SLen Brown } 1257a2b7b749SLen Brown 1258fcd17211SLen Brown static void 1259fcd17211SLen Brown dump_nhm_platform_info(void) 1260103a8feaSLen Brown { 1261103a8feaSLen Brown unsigned long long msr; 1262103a8feaSLen Brown unsigned int ratio; 1263103a8feaSLen Brown 1264ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 1265103a8feaSLen Brown 1266b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr); 12676574a5d5SLen Brown 1268103a8feaSLen Brown ratio = (msr >> 40) & 0xFF; 1269b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max efficiency frequency\n", 1270103a8feaSLen Brown ratio, bclk, ratio * bclk); 1271103a8feaSLen Brown 1272103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1273b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz base frequency\n", 1274103a8feaSLen Brown ratio, bclk, ratio * bclk); 1275103a8feaSLen Brown 12767ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr); 1277b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n", 1278bfae2052SLen Brown base_cpu, msr, msr & 0x2 ? "EN" : "DIS"); 127967920418SLen Brown 1280fcd17211SLen Brown return; 1281fcd17211SLen Brown } 1282fcd17211SLen Brown 1283fcd17211SLen Brown static void 1284fcd17211SLen Brown dump_hsw_turbo_ratio_limits(void) 1285fcd17211SLen Brown { 1286fcd17211SLen Brown unsigned long long msr; 1287fcd17211SLen Brown unsigned int ratio; 1288fcd17211SLen Brown 12897ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr); 1290fcd17211SLen Brown 1291b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr); 1292fcd17211SLen Brown 1293fcd17211SLen Brown ratio = (msr >> 8) & 0xFF; 1294fcd17211SLen Brown if (ratio) 1295b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 18 active cores\n", 1296fcd17211SLen Brown ratio, bclk, ratio * bclk); 1297fcd17211SLen Brown 1298fcd17211SLen Brown ratio = (msr >> 0) & 0xFF; 1299fcd17211SLen Brown if (ratio) 1300b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 17 active cores\n", 1301fcd17211SLen Brown ratio, bclk, ratio * bclk); 1302fcd17211SLen Brown return; 1303fcd17211SLen Brown } 1304fcd17211SLen Brown 1305fcd17211SLen Brown static void 1306fcd17211SLen Brown dump_ivt_turbo_ratio_limits(void) 1307fcd17211SLen Brown { 1308fcd17211SLen Brown unsigned long long msr; 1309fcd17211SLen Brown unsigned int ratio; 13106574a5d5SLen Brown 13117ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr); 13126574a5d5SLen Brown 1313b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr); 13146574a5d5SLen Brown 13156574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 13166574a5d5SLen Brown if (ratio) 1317b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 16 active cores\n", 13186574a5d5SLen Brown ratio, bclk, ratio * bclk); 13196574a5d5SLen Brown 13206574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 13216574a5d5SLen Brown if (ratio) 1322b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 15 active cores\n", 13236574a5d5SLen Brown ratio, bclk, ratio * bclk); 13246574a5d5SLen Brown 13256574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 13266574a5d5SLen Brown if (ratio) 1327b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 14 active cores\n", 13286574a5d5SLen Brown ratio, bclk, ratio * bclk); 13296574a5d5SLen Brown 13306574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 13316574a5d5SLen Brown if (ratio) 1332b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 13 active cores\n", 13336574a5d5SLen Brown ratio, bclk, ratio * bclk); 13346574a5d5SLen Brown 13356574a5d5SLen Brown ratio = (msr >> 24) & 0xFF; 13366574a5d5SLen Brown if (ratio) 1337b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 12 active cores\n", 13386574a5d5SLen Brown ratio, bclk, ratio * bclk); 13396574a5d5SLen Brown 13406574a5d5SLen Brown ratio = (msr >> 16) & 0xFF; 13416574a5d5SLen Brown if (ratio) 1342b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 11 active cores\n", 13436574a5d5SLen Brown ratio, bclk, ratio * bclk); 13446574a5d5SLen Brown 13456574a5d5SLen Brown ratio = (msr >> 8) & 0xFF; 13466574a5d5SLen Brown if (ratio) 1347b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 10 active cores\n", 13486574a5d5SLen Brown ratio, bclk, ratio * bclk); 13496574a5d5SLen Brown 13506574a5d5SLen Brown ratio = (msr >> 0) & 0xFF; 13516574a5d5SLen Brown if (ratio) 1352b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 9 active cores\n", 13536574a5d5SLen Brown ratio, bclk, ratio * bclk); 1354103a8feaSLen Brown return; 1355fcd17211SLen Brown } 1356fcd17211SLen Brown 1357fcd17211SLen Brown static void 1358fcd17211SLen Brown dump_nhm_turbo_ratio_limits(void) 1359fcd17211SLen Brown { 1360fcd17211SLen Brown unsigned long long msr; 1361fcd17211SLen Brown unsigned int ratio; 1362103a8feaSLen Brown 13637ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); 1364103a8feaSLen Brown 1365b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr); 13666574a5d5SLen Brown 13676574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 13686574a5d5SLen Brown if (ratio) 1369b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 8 active cores\n", 13706574a5d5SLen Brown ratio, bclk, ratio * bclk); 13716574a5d5SLen Brown 13726574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 13736574a5d5SLen Brown if (ratio) 1374b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 7 active cores\n", 13756574a5d5SLen Brown ratio, bclk, ratio * bclk); 13766574a5d5SLen Brown 13776574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 13786574a5d5SLen Brown if (ratio) 1379b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 6 active cores\n", 13806574a5d5SLen Brown ratio, bclk, ratio * bclk); 13816574a5d5SLen Brown 13826574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 13836574a5d5SLen Brown if (ratio) 1384b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 5 active cores\n", 13856574a5d5SLen Brown ratio, bclk, ratio * bclk); 13866574a5d5SLen Brown 1387103a8feaSLen Brown ratio = (msr >> 24) & 0xFF; 1388103a8feaSLen Brown if (ratio) 1389b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 4 active cores\n", 1390103a8feaSLen Brown ratio, bclk, ratio * bclk); 1391103a8feaSLen Brown 1392103a8feaSLen Brown ratio = (msr >> 16) & 0xFF; 1393103a8feaSLen Brown if (ratio) 1394b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 3 active cores\n", 1395103a8feaSLen Brown ratio, bclk, ratio * bclk); 1396103a8feaSLen Brown 1397103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1398103a8feaSLen Brown if (ratio) 1399b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 2 active cores\n", 1400103a8feaSLen Brown ratio, bclk, ratio * bclk); 1401103a8feaSLen Brown 1402103a8feaSLen Brown ratio = (msr >> 0) & 0xFF; 1403103a8feaSLen Brown if (ratio) 1404b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 1 active cores\n", 1405103a8feaSLen Brown ratio, bclk, ratio * bclk); 1406fcd17211SLen Brown return; 1407fcd17211SLen Brown } 14083a9a941dSLen Brown 1409fcd17211SLen Brown static void 1410fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(void) 1411fb5d4327SDasaratharaman Chandramouli { 1412cbf97abaSHubert Chrzaniuk const unsigned int buckets_no = 7; 1413cbf97abaSHubert Chrzaniuk 1414fb5d4327SDasaratharaman Chandramouli unsigned long long msr; 1415cbf97abaSHubert Chrzaniuk int delta_cores, delta_ratio; 1416cbf97abaSHubert Chrzaniuk int i, b_nr; 1417cbf97abaSHubert Chrzaniuk unsigned int cores[buckets_no]; 1418cbf97abaSHubert Chrzaniuk unsigned int ratio[buckets_no]; 1419fb5d4327SDasaratharaman Chandramouli 14207ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_TURBO_RATIO_LIMIT, &msr); 1421fb5d4327SDasaratharaman Chandramouli 1422b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", 1423bfae2052SLen Brown base_cpu, msr); 1424fb5d4327SDasaratharaman Chandramouli 1425fb5d4327SDasaratharaman Chandramouli /** 1426fb5d4327SDasaratharaman Chandramouli * Turbo encoding in KNL is as follows: 1427cbf97abaSHubert Chrzaniuk * [0] -- Reserved 1428cbf97abaSHubert Chrzaniuk * [7:1] -- Base value of number of active cores of bucket 1. 1429fb5d4327SDasaratharaman Chandramouli * [15:8] -- Base value of freq ratio of bucket 1. 1430fb5d4327SDasaratharaman Chandramouli * [20:16] -- +ve delta of number of active cores of bucket 2. 1431fb5d4327SDasaratharaman Chandramouli * i.e. active cores of bucket 2 = 1432fb5d4327SDasaratharaman Chandramouli * active cores of bucket 1 + delta 1433fb5d4327SDasaratharaman Chandramouli * [23:21] -- Negative delta of freq ratio of bucket 2. 1434fb5d4327SDasaratharaman Chandramouli * i.e. freq ratio of bucket 2 = 1435fb5d4327SDasaratharaman Chandramouli * freq ratio of bucket 1 - delta 1436fb5d4327SDasaratharaman Chandramouli * [28:24]-- +ve delta of number of active cores of bucket 3. 1437fb5d4327SDasaratharaman Chandramouli * [31:29]-- -ve delta of freq ratio of bucket 3. 1438fb5d4327SDasaratharaman Chandramouli * [36:32]-- +ve delta of number of active cores of bucket 4. 1439fb5d4327SDasaratharaman Chandramouli * [39:37]-- -ve delta of freq ratio of bucket 4. 1440fb5d4327SDasaratharaman Chandramouli * [44:40]-- +ve delta of number of active cores of bucket 5. 1441fb5d4327SDasaratharaman Chandramouli * [47:45]-- -ve delta of freq ratio of bucket 5. 1442fb5d4327SDasaratharaman Chandramouli * [52:48]-- +ve delta of number of active cores of bucket 6. 1443fb5d4327SDasaratharaman Chandramouli * [55:53]-- -ve delta of freq ratio of bucket 6. 1444fb5d4327SDasaratharaman Chandramouli * [60:56]-- +ve delta of number of active cores of bucket 7. 1445fb5d4327SDasaratharaman Chandramouli * [63:61]-- -ve delta of freq ratio of bucket 7. 1446fb5d4327SDasaratharaman Chandramouli */ 1447fb5d4327SDasaratharaman Chandramouli 1448cbf97abaSHubert Chrzaniuk b_nr = 0; 1449cbf97abaSHubert Chrzaniuk cores[b_nr] = (msr & 0xFF) >> 1; 1450cbf97abaSHubert Chrzaniuk ratio[b_nr] = (msr >> 8) & 0xFF; 1451cbf97abaSHubert Chrzaniuk 1452cbf97abaSHubert Chrzaniuk for (i = 16; i < 64; i += 8) { 1453fb5d4327SDasaratharaman Chandramouli delta_cores = (msr >> i) & 0x1F; 1454cbf97abaSHubert Chrzaniuk delta_ratio = (msr >> (i + 5)) & 0x7; 1455fb5d4327SDasaratharaman Chandramouli 1456cbf97abaSHubert Chrzaniuk cores[b_nr + 1] = cores[b_nr] + delta_cores; 1457cbf97abaSHubert Chrzaniuk ratio[b_nr + 1] = ratio[b_nr] - delta_ratio; 1458cbf97abaSHubert Chrzaniuk b_nr++; 1459cbf97abaSHubert Chrzaniuk } 1460cbf97abaSHubert Chrzaniuk 1461cbf97abaSHubert Chrzaniuk for (i = buckets_no - 1; i >= 0; i--) 1462cbf97abaSHubert Chrzaniuk if (i > 0 ? ratio[i] != ratio[i - 1] : 1) 1463b7d8c148SLen Brown fprintf(outf, 1464fb5d4327SDasaratharaman Chandramouli "%d * %.0f = %.0f MHz max turbo %d active cores\n", 1465cbf97abaSHubert Chrzaniuk ratio[i], bclk, ratio[i] * bclk, cores[i]); 1466fb5d4327SDasaratharaman Chandramouli } 1467fb5d4327SDasaratharaman Chandramouli 1468fb5d4327SDasaratharaman Chandramouli static void 1469fcd17211SLen Brown dump_nhm_cst_cfg(void) 1470fcd17211SLen Brown { 1471fcd17211SLen Brown unsigned long long msr; 1472fcd17211SLen Brown 14737ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1474fcd17211SLen Brown 1475fcd17211SLen Brown #define SNB_C1_AUTO_UNDEMOTE (1UL << 27) 1476fcd17211SLen Brown #define SNB_C3_AUTO_UNDEMOTE (1UL << 28) 1477fcd17211SLen Brown 1478b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", base_cpu, msr); 1479fcd17211SLen Brown 1480b7d8c148SLen Brown fprintf(outf, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n", 1481fcd17211SLen Brown (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "", 1482fcd17211SLen Brown (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "", 1483fcd17211SLen Brown (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "", 1484fcd17211SLen Brown (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "", 1485fcd17211SLen Brown (msr & (1 << 15)) ? "" : "UN", 1486fcd17211SLen Brown (unsigned int)msr & 7, 1487fcd17211SLen Brown pkg_cstate_limit_strings[pkg_cstate_limit]); 1488fcd17211SLen Brown return; 1489103a8feaSLen Brown } 1490103a8feaSLen Brown 14916fb3143bSLen Brown static void 14926fb3143bSLen Brown dump_config_tdp(void) 14936fb3143bSLen Brown { 14946fb3143bSLen Brown unsigned long long msr; 14956fb3143bSLen Brown 14966fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr); 1497b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr); 1498b7d8c148SLen Brown fprintf(outf, " (base_ratio=%d)\n", (unsigned int)msr & 0xEF); 14996fb3143bSLen Brown 15006fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr); 1501b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr); 15026fb3143bSLen Brown if (msr) { 1503b7d8c148SLen Brown fprintf(outf, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0xEFFF); 1504b7d8c148SLen Brown fprintf(outf, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0xEFFF); 1505b7d8c148SLen Brown fprintf(outf, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xEF); 1506b7d8c148SLen Brown fprintf(outf, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0xEFFF); 15076fb3143bSLen Brown } 1508b7d8c148SLen Brown fprintf(outf, ")\n"); 15096fb3143bSLen Brown 15106fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr); 1511b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr); 15126fb3143bSLen Brown if (msr) { 1513b7d8c148SLen Brown fprintf(outf, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0xEFFF); 1514b7d8c148SLen Brown fprintf(outf, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0xEFFF); 1515b7d8c148SLen Brown fprintf(outf, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xEF); 1516b7d8c148SLen Brown fprintf(outf, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0xEFFF); 15176fb3143bSLen Brown } 1518b7d8c148SLen Brown fprintf(outf, ")\n"); 15196fb3143bSLen Brown 15206fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr); 1521b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr); 15226fb3143bSLen Brown if ((msr) & 0x3) 1523b7d8c148SLen Brown fprintf(outf, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3); 1524b7d8c148SLen Brown fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 1525b7d8c148SLen Brown fprintf(outf, ")\n"); 15266fb3143bSLen Brown 15276fb3143bSLen Brown get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr); 1528b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr); 1529b7d8c148SLen Brown fprintf(outf, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0x7F); 1530b7d8c148SLen Brown fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 1531b7d8c148SLen Brown fprintf(outf, ")\n"); 15326fb3143bSLen Brown } 153336229897SLen Brown void free_fd_percpu(void) 153436229897SLen Brown { 153536229897SLen Brown int i; 153636229897SLen Brown 153736229897SLen Brown for (i = 0; i < topo.max_cpu_num; ++i) { 153836229897SLen Brown if (fd_percpu[i] != 0) 153936229897SLen Brown close(fd_percpu[i]); 154036229897SLen Brown } 154136229897SLen Brown 154236229897SLen Brown free(fd_percpu); 154336229897SLen Brown } 15446fb3143bSLen Brown 1545c98d5d94SLen Brown void free_all_buffers(void) 1546103a8feaSLen Brown { 1547c98d5d94SLen Brown CPU_FREE(cpu_present_set); 1548c98d5d94SLen Brown cpu_present_set = NULL; 154936229897SLen Brown cpu_present_setsize = 0; 1550103a8feaSLen Brown 1551c98d5d94SLen Brown CPU_FREE(cpu_affinity_set); 1552c98d5d94SLen Brown cpu_affinity_set = NULL; 1553c98d5d94SLen Brown cpu_affinity_setsize = 0; 1554103a8feaSLen Brown 1555c98d5d94SLen Brown free(thread_even); 1556c98d5d94SLen Brown free(core_even); 1557c98d5d94SLen Brown free(package_even); 1558103a8feaSLen Brown 1559c98d5d94SLen Brown thread_even = NULL; 1560c98d5d94SLen Brown core_even = NULL; 1561c98d5d94SLen Brown package_even = NULL; 1562103a8feaSLen Brown 1563c98d5d94SLen Brown free(thread_odd); 1564c98d5d94SLen Brown free(core_odd); 1565c98d5d94SLen Brown free(package_odd); 1566103a8feaSLen Brown 1567c98d5d94SLen Brown thread_odd = NULL; 1568c98d5d94SLen Brown core_odd = NULL; 1569c98d5d94SLen Brown package_odd = NULL; 1570103a8feaSLen Brown 1571c98d5d94SLen Brown free(output_buffer); 1572c98d5d94SLen Brown output_buffer = NULL; 1573c98d5d94SLen Brown outp = NULL; 157436229897SLen Brown 157536229897SLen Brown free_fd_percpu(); 1576562a2d37SLen Brown 1577562a2d37SLen Brown free(irq_column_2_cpu); 1578562a2d37SLen Brown free(irqs_per_cpu); 1579103a8feaSLen Brown } 1580103a8feaSLen Brown 1581103a8feaSLen Brown /* 158257a42a34SJosh Triplett * Open a file, and exit on failure 158357a42a34SJosh Triplett */ 158457a42a34SJosh Triplett FILE *fopen_or_die(const char *path, const char *mode) 158557a42a34SJosh Triplett { 1586b7d8c148SLen Brown FILE *filep = fopen(path, mode); 1587b2c95d90SJosh Triplett if (!filep) 1588b2c95d90SJosh Triplett err(1, "%s: open failed", path); 158957a42a34SJosh Triplett return filep; 159057a42a34SJosh Triplett } 159157a42a34SJosh Triplett 159257a42a34SJosh Triplett /* 159395aebc44SJosh Triplett * Parse a file containing a single int. 159495aebc44SJosh Triplett */ 159595aebc44SJosh Triplett int parse_int_file(const char *fmt, ...) 159695aebc44SJosh Triplett { 159795aebc44SJosh Triplett va_list args; 159895aebc44SJosh Triplett char path[PATH_MAX]; 159995aebc44SJosh Triplett FILE *filep; 160095aebc44SJosh Triplett int value; 160195aebc44SJosh Triplett 160295aebc44SJosh Triplett va_start(args, fmt); 160395aebc44SJosh Triplett vsnprintf(path, sizeof(path), fmt, args); 160495aebc44SJosh Triplett va_end(args); 160557a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1606b2c95d90SJosh Triplett if (fscanf(filep, "%d", &value) != 1) 1607b2c95d90SJosh Triplett err(1, "%s: failed to parse number from file", path); 160895aebc44SJosh Triplett fclose(filep); 160995aebc44SJosh Triplett return value; 161095aebc44SJosh Triplett } 161195aebc44SJosh Triplett 161295aebc44SJosh Triplett /* 1613e275b388SDasaratharaman Chandramouli * get_cpu_position_in_core(cpu) 1614e275b388SDasaratharaman Chandramouli * return the position of the CPU among its HT siblings in the core 1615e275b388SDasaratharaman Chandramouli * return -1 if the sibling is not in list 1616103a8feaSLen Brown */ 1617e275b388SDasaratharaman Chandramouli int get_cpu_position_in_core(int cpu) 1618103a8feaSLen Brown { 1619e275b388SDasaratharaman Chandramouli char path[64]; 1620e275b388SDasaratharaman Chandramouli FILE *filep; 1621e275b388SDasaratharaman Chandramouli int this_cpu; 1622e275b388SDasaratharaman Chandramouli char character; 1623e275b388SDasaratharaman Chandramouli int i; 1624e275b388SDasaratharaman Chandramouli 1625e275b388SDasaratharaman Chandramouli sprintf(path, 1626e275b388SDasaratharaman Chandramouli "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", 1627e275b388SDasaratharaman Chandramouli cpu); 1628e275b388SDasaratharaman Chandramouli filep = fopen(path, "r"); 1629e275b388SDasaratharaman Chandramouli if (filep == NULL) { 1630e275b388SDasaratharaman Chandramouli perror(path); 1631e275b388SDasaratharaman Chandramouli exit(1); 1632e275b388SDasaratharaman Chandramouli } 1633e275b388SDasaratharaman Chandramouli 1634e275b388SDasaratharaman Chandramouli for (i = 0; i < topo.num_threads_per_core; i++) { 1635e275b388SDasaratharaman Chandramouli fscanf(filep, "%d", &this_cpu); 1636e275b388SDasaratharaman Chandramouli if (this_cpu == cpu) { 1637e275b388SDasaratharaman Chandramouli fclose(filep); 1638e275b388SDasaratharaman Chandramouli return i; 1639e275b388SDasaratharaman Chandramouli } 1640e275b388SDasaratharaman Chandramouli 1641e275b388SDasaratharaman Chandramouli /* Account for no separator after last thread*/ 1642e275b388SDasaratharaman Chandramouli if (i != (topo.num_threads_per_core - 1)) 1643e275b388SDasaratharaman Chandramouli fscanf(filep, "%c", &character); 1644e275b388SDasaratharaman Chandramouli } 1645e275b388SDasaratharaman Chandramouli 1646e275b388SDasaratharaman Chandramouli fclose(filep); 1647e275b388SDasaratharaman Chandramouli return -1; 1648c98d5d94SLen Brown } 1649103a8feaSLen Brown 1650c98d5d94SLen Brown /* 1651c98d5d94SLen Brown * cpu_is_first_core_in_package(cpu) 1652c98d5d94SLen Brown * return 1 if given CPU is 1st core in package 1653c98d5d94SLen Brown */ 1654c98d5d94SLen Brown int cpu_is_first_core_in_package(int cpu) 1655c98d5d94SLen Brown { 165695aebc44SJosh Triplett return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); 1657103a8feaSLen Brown } 1658103a8feaSLen Brown 1659103a8feaSLen Brown int get_physical_package_id(int cpu) 1660103a8feaSLen Brown { 166195aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); 1662103a8feaSLen Brown } 1663103a8feaSLen Brown 1664103a8feaSLen Brown int get_core_id(int cpu) 1665103a8feaSLen Brown { 166695aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); 1667103a8feaSLen Brown } 1668103a8feaSLen Brown 1669c98d5d94SLen Brown int get_num_ht_siblings(int cpu) 1670c98d5d94SLen Brown { 1671c98d5d94SLen Brown char path[80]; 1672c98d5d94SLen Brown FILE *filep; 1673e275b388SDasaratharaman Chandramouli int sib1; 1674e275b388SDasaratharaman Chandramouli int matches = 0; 1675c98d5d94SLen Brown char character; 1676e275b388SDasaratharaman Chandramouli char str[100]; 1677e275b388SDasaratharaman Chandramouli char *ch; 1678c98d5d94SLen Brown 1679c98d5d94SLen Brown sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); 168057a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1681e275b388SDasaratharaman Chandramouli 1682103a8feaSLen Brown /* 1683c98d5d94SLen Brown * file format: 1684e275b388SDasaratharaman Chandramouli * A ',' separated or '-' separated set of numbers 1685e275b388SDasaratharaman Chandramouli * (eg 1-2 or 1,3,4,5) 1686c98d5d94SLen Brown */ 1687e275b388SDasaratharaman Chandramouli fscanf(filep, "%d%c\n", &sib1, &character); 1688e275b388SDasaratharaman Chandramouli fseek(filep, 0, SEEK_SET); 1689e275b388SDasaratharaman Chandramouli fgets(str, 100, filep); 1690e275b388SDasaratharaman Chandramouli ch = strchr(str, character); 1691e275b388SDasaratharaman Chandramouli while (ch != NULL) { 1692e275b388SDasaratharaman Chandramouli matches++; 1693e275b388SDasaratharaman Chandramouli ch = strchr(ch+1, character); 1694e275b388SDasaratharaman Chandramouli } 1695c98d5d94SLen Brown 1696c98d5d94SLen Brown fclose(filep); 1697e275b388SDasaratharaman Chandramouli return matches+1; 1698c98d5d94SLen Brown } 1699c98d5d94SLen Brown 1700c98d5d94SLen Brown /* 1701c98d5d94SLen Brown * run func(thread, core, package) in topology order 1702c98d5d94SLen Brown * skip non-present cpus 1703103a8feaSLen Brown */ 1704103a8feaSLen Brown 1705c98d5d94SLen Brown int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *, 1706c98d5d94SLen Brown struct pkg_data *, struct thread_data *, struct core_data *, 1707c98d5d94SLen Brown struct pkg_data *), struct thread_data *thread_base, 1708c98d5d94SLen Brown struct core_data *core_base, struct pkg_data *pkg_base, 1709c98d5d94SLen Brown struct thread_data *thread_base2, struct core_data *core_base2, 1710c98d5d94SLen Brown struct pkg_data *pkg_base2) 1711c98d5d94SLen Brown { 1712c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 1713c98d5d94SLen Brown 1714c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 1715c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 1716c98d5d94SLen Brown for (thread_no = 0; thread_no < 1717c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 1718c98d5d94SLen Brown struct thread_data *t, *t2; 1719c98d5d94SLen Brown struct core_data *c, *c2; 1720c98d5d94SLen Brown struct pkg_data *p, *p2; 1721c98d5d94SLen Brown 1722c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 1723c98d5d94SLen Brown 1724c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 1725c98d5d94SLen Brown continue; 1726c98d5d94SLen Brown 1727c98d5d94SLen Brown t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no); 1728c98d5d94SLen Brown 1729c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 1730c98d5d94SLen Brown c2 = GET_CORE(core_base2, core_no, pkg_no); 1731c98d5d94SLen Brown 1732c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 1733c98d5d94SLen Brown p2 = GET_PKG(pkg_base2, pkg_no); 1734c98d5d94SLen Brown 1735c98d5d94SLen Brown retval = func(t, c, p, t2, c2, p2); 1736c98d5d94SLen Brown if (retval) 1737c98d5d94SLen Brown return retval; 1738c98d5d94SLen Brown } 1739c98d5d94SLen Brown } 1740c98d5d94SLen Brown } 1741c98d5d94SLen Brown return 0; 1742c98d5d94SLen Brown } 1743c98d5d94SLen Brown 1744c98d5d94SLen Brown /* 1745c98d5d94SLen Brown * run func(cpu) on every cpu in /proc/stat 1746c98d5d94SLen Brown * return max_cpu number 1747c98d5d94SLen Brown */ 1748c98d5d94SLen Brown int for_all_proc_cpus(int (func)(int)) 1749103a8feaSLen Brown { 1750103a8feaSLen Brown FILE *fp; 1751c98d5d94SLen Brown int cpu_num; 1752103a8feaSLen Brown int retval; 1753103a8feaSLen Brown 175457a42a34SJosh Triplett fp = fopen_or_die(proc_stat, "r"); 1755103a8feaSLen Brown 1756103a8feaSLen Brown retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n"); 1757b2c95d90SJosh Triplett if (retval != 0) 1758b2c95d90SJosh Triplett err(1, "%s: failed to parse format", proc_stat); 1759103a8feaSLen Brown 1760c98d5d94SLen Brown while (1) { 1761c98d5d94SLen Brown retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num); 1762103a8feaSLen Brown if (retval != 1) 1763103a8feaSLen Brown break; 1764103a8feaSLen Brown 1765c98d5d94SLen Brown retval = func(cpu_num); 1766c98d5d94SLen Brown if (retval) { 1767c98d5d94SLen Brown fclose(fp); 1768c98d5d94SLen Brown return(retval); 1769c98d5d94SLen Brown } 1770103a8feaSLen Brown } 1771103a8feaSLen Brown fclose(fp); 1772c98d5d94SLen Brown return 0; 1773103a8feaSLen Brown } 1774103a8feaSLen Brown 1775103a8feaSLen Brown void re_initialize(void) 1776103a8feaSLen Brown { 1777c98d5d94SLen Brown free_all_buffers(); 1778c98d5d94SLen Brown setup_all_buffers(); 1779c98d5d94SLen Brown printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus); 1780103a8feaSLen Brown } 1781103a8feaSLen Brown 1782c98d5d94SLen Brown 1783103a8feaSLen Brown /* 1784c98d5d94SLen Brown * count_cpus() 1785c98d5d94SLen Brown * remember the last one seen, it will be the max 1786103a8feaSLen Brown */ 1787c98d5d94SLen Brown int count_cpus(int cpu) 1788103a8feaSLen Brown { 1789c98d5d94SLen Brown if (topo.max_cpu_num < cpu) 1790c98d5d94SLen Brown topo.max_cpu_num = cpu; 1791103a8feaSLen Brown 1792c98d5d94SLen Brown topo.num_cpus += 1; 1793c98d5d94SLen Brown return 0; 1794103a8feaSLen Brown } 1795c98d5d94SLen Brown int mark_cpu_present(int cpu) 1796c98d5d94SLen Brown { 1797c98d5d94SLen Brown CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set); 179815aaa346SLen Brown return 0; 1799103a8feaSLen Brown } 1800103a8feaSLen Brown 1801562a2d37SLen Brown /* 1802562a2d37SLen Brown * snapshot_proc_interrupts() 1803562a2d37SLen Brown * 1804562a2d37SLen Brown * read and record summary of /proc/interrupts 1805562a2d37SLen Brown * 1806562a2d37SLen Brown * return 1 if config change requires a restart, else return 0 1807562a2d37SLen Brown */ 1808562a2d37SLen Brown int snapshot_proc_interrupts(void) 1809562a2d37SLen Brown { 1810562a2d37SLen Brown static FILE *fp; 1811562a2d37SLen Brown int column, retval; 1812562a2d37SLen Brown 1813562a2d37SLen Brown if (fp == NULL) 1814562a2d37SLen Brown fp = fopen_or_die("/proc/interrupts", "r"); 1815562a2d37SLen Brown else 1816562a2d37SLen Brown rewind(fp); 1817562a2d37SLen Brown 1818562a2d37SLen Brown /* read 1st line of /proc/interrupts to get cpu* name for each column */ 1819562a2d37SLen Brown for (column = 0; column < topo.num_cpus; ++column) { 1820562a2d37SLen Brown int cpu_number; 1821562a2d37SLen Brown 1822562a2d37SLen Brown retval = fscanf(fp, " CPU%d", &cpu_number); 1823562a2d37SLen Brown if (retval != 1) 1824562a2d37SLen Brown break; 1825562a2d37SLen Brown 1826562a2d37SLen Brown if (cpu_number > topo.max_cpu_num) { 1827562a2d37SLen Brown warn("/proc/interrupts: cpu%d: > %d", cpu_number, topo.max_cpu_num); 1828562a2d37SLen Brown return 1; 1829562a2d37SLen Brown } 1830562a2d37SLen Brown 1831562a2d37SLen Brown irq_column_2_cpu[column] = cpu_number; 1832562a2d37SLen Brown irqs_per_cpu[cpu_number] = 0; 1833562a2d37SLen Brown } 1834562a2d37SLen Brown 1835562a2d37SLen Brown /* read /proc/interrupt count lines and sum up irqs per cpu */ 1836562a2d37SLen Brown while (1) { 1837562a2d37SLen Brown int column; 1838562a2d37SLen Brown char buf[64]; 1839562a2d37SLen Brown 1840562a2d37SLen Brown retval = fscanf(fp, " %s:", buf); /* flush irq# "N:" */ 1841562a2d37SLen Brown if (retval != 1) 1842562a2d37SLen Brown break; 1843562a2d37SLen Brown 1844562a2d37SLen Brown /* read the count per cpu */ 1845562a2d37SLen Brown for (column = 0; column < topo.num_cpus; ++column) { 1846562a2d37SLen Brown 1847562a2d37SLen Brown int cpu_number, irq_count; 1848562a2d37SLen Brown 1849562a2d37SLen Brown retval = fscanf(fp, " %d", &irq_count); 1850562a2d37SLen Brown if (retval != 1) 1851562a2d37SLen Brown break; 1852562a2d37SLen Brown 1853562a2d37SLen Brown cpu_number = irq_column_2_cpu[column]; 1854562a2d37SLen Brown irqs_per_cpu[cpu_number] += irq_count; 1855562a2d37SLen Brown 1856562a2d37SLen Brown } 1857562a2d37SLen Brown 1858562a2d37SLen Brown while (getc(fp) != '\n') 1859562a2d37SLen Brown ; /* flush interrupt description */ 1860562a2d37SLen Brown 1861562a2d37SLen Brown } 1862562a2d37SLen Brown return 0; 1863562a2d37SLen Brown } 186427d47356SLen Brown /* 1865*fdf676e5SLen Brown * snapshot_gfx_rc6_ms() 1866*fdf676e5SLen Brown * 1867*fdf676e5SLen Brown * record snapshot of 1868*fdf676e5SLen Brown * /sys/class/drm/card0/power/rc6_residency_ms 1869*fdf676e5SLen Brown * 1870*fdf676e5SLen Brown * return 1 if config change requires a restart, else return 0 1871*fdf676e5SLen Brown */ 1872*fdf676e5SLen Brown int snapshot_gfx_rc6_ms(void) 1873*fdf676e5SLen Brown { 1874*fdf676e5SLen Brown FILE *fp; 1875*fdf676e5SLen Brown int retval; 1876*fdf676e5SLen Brown 1877*fdf676e5SLen Brown fp = fopen_or_die("/sys/class/drm/card0/power/rc6_residency_ms", "r"); 1878*fdf676e5SLen Brown 1879*fdf676e5SLen Brown retval = fscanf(fp, "%lld", &gfx_cur_rc6_ms); 1880*fdf676e5SLen Brown if (retval != 1) 1881*fdf676e5SLen Brown err(1, "GFX rc6"); 1882*fdf676e5SLen Brown 1883*fdf676e5SLen Brown fclose(fp); 1884*fdf676e5SLen Brown 1885*fdf676e5SLen Brown return 0; 1886*fdf676e5SLen Brown } 1887*fdf676e5SLen Brown /* 188827d47356SLen Brown * snapshot_gfx_mhz() 188927d47356SLen Brown * 189027d47356SLen Brown * record snapshot of 189127d47356SLen Brown * /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz 189227d47356SLen Brown * 189327d47356SLen Brown * return 1 if config change requires a restart, else return 0 189427d47356SLen Brown */ 189527d47356SLen Brown int snapshot_gfx_mhz(void) 189627d47356SLen Brown { 189727d47356SLen Brown static FILE *fp; 189827d47356SLen Brown int retval; 189927d47356SLen Brown 190027d47356SLen Brown if (fp == NULL) 190127d47356SLen Brown fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r"); 190227d47356SLen Brown else 190327d47356SLen Brown rewind(fp); 190427d47356SLen Brown 190527d47356SLen Brown retval = fscanf(fp, "%d", &gfx_cur_mhz); 190627d47356SLen Brown if (retval != 1) 190727d47356SLen Brown err(1, "GFX MHz"); 190827d47356SLen Brown 190927d47356SLen Brown return 0; 191027d47356SLen Brown } 1911562a2d37SLen Brown 1912562a2d37SLen Brown /* 1913562a2d37SLen Brown * snapshot /proc and /sys files 1914562a2d37SLen Brown * 1915562a2d37SLen Brown * return 1 if configuration restart needed, else return 0 1916562a2d37SLen Brown */ 1917562a2d37SLen Brown int snapshot_proc_sysfs_files(void) 1918562a2d37SLen Brown { 1919562a2d37SLen Brown if (snapshot_proc_interrupts()) 1920562a2d37SLen Brown return 1; 1921562a2d37SLen Brown 1922*fdf676e5SLen Brown if (do_gfx_rc6_ms) 1923*fdf676e5SLen Brown snapshot_gfx_rc6_ms(); 1924*fdf676e5SLen Brown 192527d47356SLen Brown if (do_gfx_mhz) 192627d47356SLen Brown snapshot_gfx_mhz(); 192727d47356SLen Brown 1928562a2d37SLen Brown return 0; 1929562a2d37SLen Brown } 1930562a2d37SLen Brown 1931103a8feaSLen Brown void turbostat_loop() 1932103a8feaSLen Brown { 1933c98d5d94SLen Brown int retval; 1934e52966c0SLen Brown int restarted = 0; 1935c98d5d94SLen Brown 1936103a8feaSLen Brown restart: 1937e52966c0SLen Brown restarted++; 1938e52966c0SLen Brown 1939562a2d37SLen Brown snapshot_proc_sysfs_files(); 1940c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 1941d91bb17cSLen Brown if (retval < -1) { 1942d91bb17cSLen Brown exit(retval); 1943d91bb17cSLen Brown } else if (retval == -1) { 1944e52966c0SLen Brown if (restarted > 1) { 1945e52966c0SLen Brown exit(retval); 1946e52966c0SLen Brown } 1947c98d5d94SLen Brown re_initialize(); 1948c98d5d94SLen Brown goto restart; 1949c98d5d94SLen Brown } 1950e52966c0SLen Brown restarted = 0; 1951103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 1952103a8feaSLen Brown 1953103a8feaSLen Brown while (1) { 1954c98d5d94SLen Brown if (for_all_proc_cpus(cpu_is_not_present)) { 1955103a8feaSLen Brown re_initialize(); 1956103a8feaSLen Brown goto restart; 1957103a8feaSLen Brown } 19582a0609c0SLen Brown nanosleep(&interval_ts, NULL); 1959562a2d37SLen Brown if (snapshot_proc_sysfs_files()) 1960562a2d37SLen Brown goto restart; 1961c98d5d94SLen Brown retval = for_all_cpus(get_counters, ODD_COUNTERS); 1962d91bb17cSLen Brown if (retval < -1) { 1963d91bb17cSLen Brown exit(retval); 1964d91bb17cSLen Brown } else if (retval == -1) { 196515aaa346SLen Brown re_initialize(); 196615aaa346SLen Brown goto restart; 196715aaa346SLen Brown } 1968103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 1969103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 1970c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 1971c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 1972c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 1973b7d8c148SLen Brown flush_output_stdout(); 19742a0609c0SLen Brown nanosleep(&interval_ts, NULL); 1975562a2d37SLen Brown if (snapshot_proc_sysfs_files()) 1976562a2d37SLen Brown goto restart; 1977c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 1978d91bb17cSLen Brown if (retval < -1) { 1979d91bb17cSLen Brown exit(retval); 1980d91bb17cSLen Brown } else if (retval == -1) { 1981103a8feaSLen Brown re_initialize(); 1982103a8feaSLen Brown goto restart; 1983103a8feaSLen Brown } 1984103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 1985103a8feaSLen Brown timersub(&tv_even, &tv_odd, &tv_delta); 1986c98d5d94SLen Brown for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS); 1987c98d5d94SLen Brown compute_average(ODD_COUNTERS); 1988c98d5d94SLen Brown format_all_counters(ODD_COUNTERS); 1989b7d8c148SLen Brown flush_output_stdout(); 1990103a8feaSLen Brown } 1991103a8feaSLen Brown } 1992103a8feaSLen Brown 1993103a8feaSLen Brown void check_dev_msr() 1994103a8feaSLen Brown { 1995103a8feaSLen Brown struct stat sb; 19967ce7d5deSPrarit Bhargava char pathname[32]; 1997103a8feaSLen Brown 19987ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 19997ce7d5deSPrarit Bhargava if (stat(pathname, &sb)) 2000a21d38c8SLen Brown if (system("/sbin/modprobe msr > /dev/null 2>&1")) 2001d7899447SLen Brown err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" "); 2002103a8feaSLen Brown } 2003103a8feaSLen Brown 200498481e79SLen Brown void check_permissions() 2005103a8feaSLen Brown { 200698481e79SLen Brown struct __user_cap_header_struct cap_header_data; 200798481e79SLen Brown cap_user_header_t cap_header = &cap_header_data; 200898481e79SLen Brown struct __user_cap_data_struct cap_data_data; 200998481e79SLen Brown cap_user_data_t cap_data = &cap_data_data; 201098481e79SLen Brown extern int capget(cap_user_header_t hdrp, cap_user_data_t datap); 201198481e79SLen Brown int do_exit = 0; 20127ce7d5deSPrarit Bhargava char pathname[32]; 201398481e79SLen Brown 201498481e79SLen Brown /* check for CAP_SYS_RAWIO */ 201598481e79SLen Brown cap_header->pid = getpid(); 201698481e79SLen Brown cap_header->version = _LINUX_CAPABILITY_VERSION; 201798481e79SLen Brown if (capget(cap_header, cap_data) < 0) 201898481e79SLen Brown err(-6, "capget(2) failed"); 201998481e79SLen Brown 202098481e79SLen Brown if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) { 202198481e79SLen Brown do_exit++; 202298481e79SLen Brown warnx("capget(CAP_SYS_RAWIO) failed," 202398481e79SLen Brown " try \"# setcap cap_sys_rawio=ep %s\"", progname); 202498481e79SLen Brown } 202598481e79SLen Brown 202698481e79SLen Brown /* test file permissions */ 20277ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 20287ce7d5deSPrarit Bhargava if (euidaccess(pathname, R_OK)) { 202998481e79SLen Brown do_exit++; 203098481e79SLen Brown warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr"); 203198481e79SLen Brown } 203298481e79SLen Brown 203398481e79SLen Brown /* if all else fails, thell them to be root */ 203498481e79SLen Brown if (do_exit) 2035b2c95d90SJosh Triplett if (getuid() != 0) 2036d7899447SLen Brown warnx("... or simply run as root"); 203798481e79SLen Brown 203898481e79SLen Brown if (do_exit) 203998481e79SLen Brown exit(-6); 2040103a8feaSLen Brown } 2041103a8feaSLen Brown 2042d7899447SLen Brown /* 2043d7899447SLen Brown * NHM adds support for additional MSRs: 2044d7899447SLen Brown * 2045d7899447SLen Brown * MSR_SMI_COUNT 0x00000034 2046d7899447SLen Brown * 2047ec0adc53SLen Brown * MSR_PLATFORM_INFO 0x000000ce 2048d7899447SLen Brown * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2 2049d7899447SLen Brown * 2050d7899447SLen Brown * MSR_PKG_C3_RESIDENCY 0x000003f8 2051d7899447SLen Brown * MSR_PKG_C6_RESIDENCY 0x000003f9 2052d7899447SLen Brown * MSR_CORE_C3_RESIDENCY 0x000003fc 2053d7899447SLen Brown * MSR_CORE_C6_RESIDENCY 0x000003fd 2054d7899447SLen Brown * 2055ee7e38e3SLen Brown * Side effect: 2056ee7e38e3SLen Brown * sets global pkg_cstate_limit to decode MSR_NHM_SNB_PKG_CST_CFG_CTL 2057d7899447SLen Brown */ 2058ee7e38e3SLen Brown int probe_nhm_msrs(unsigned int family, unsigned int model) 2059103a8feaSLen Brown { 2060ee7e38e3SLen Brown unsigned long long msr; 206121ed5574SLen Brown unsigned int base_ratio; 2062ee7e38e3SLen Brown int *pkg_cstate_limits; 2063ee7e38e3SLen Brown 2064103a8feaSLen Brown if (!genuine_intel) 2065103a8feaSLen Brown return 0; 2066103a8feaSLen Brown 2067103a8feaSLen Brown if (family != 6) 2068103a8feaSLen Brown return 0; 2069103a8feaSLen Brown 207021ed5574SLen Brown bclk = discover_bclk(family, model); 207121ed5574SLen Brown 2072103a8feaSLen Brown switch (model) { 2073103a8feaSLen Brown case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */ 2074103a8feaSLen Brown case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ 2075103a8feaSLen Brown case 0x1F: /* Core i7 and i5 Processor - Nehalem */ 2076103a8feaSLen Brown case 0x25: /* Westmere Client - Clarkdale, Arrandale */ 2077103a8feaSLen Brown case 0x2C: /* Westmere EP - Gulftown */ 2078ee7e38e3SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 2079ee7e38e3SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 2080ee7e38e3SLen Brown pkg_cstate_limits = nhm_pkg_cstate_limits; 2081ee7e38e3SLen Brown break; 2082103a8feaSLen Brown case 0x2A: /* SNB */ 2083103a8feaSLen Brown case 0x2D: /* SNB Xeon */ 2084553575f1SLen Brown case 0x3A: /* IVB */ 20851300651bSLen Brown case 0x3E: /* IVB Xeon */ 2086ee7e38e3SLen Brown pkg_cstate_limits = snb_pkg_cstate_limits; 2087ee7e38e3SLen Brown break; 208870b43400SLen Brown case 0x3C: /* HSW */ 2089e6f9bb3cSLen Brown case 0x3F: /* HSX */ 209070b43400SLen Brown case 0x45: /* HSW */ 2091149c2319SLen Brown case 0x46: /* HSW */ 20924e8e863fSLen Brown case 0x3D: /* BDW */ 209348a0631cSLen Brown case 0x47: /* BDW */ 20944e8e863fSLen Brown case 0x4F: /* BDX */ 20954e8e863fSLen Brown case 0x56: /* BDX-DE */ 20960b2bb692SLen Brown case 0x4E: /* SKL */ 20970b2bb692SLen Brown case 0x5E: /* SKL */ 2098ee7e38e3SLen Brown pkg_cstate_limits = hsw_pkg_cstate_limits; 2099ee7e38e3SLen Brown break; 2100ee7e38e3SLen Brown case 0x37: /* BYT */ 2101ee7e38e3SLen Brown case 0x4D: /* AVN */ 2102ee7e38e3SLen Brown pkg_cstate_limits = slv_pkg_cstate_limits; 2103ee7e38e3SLen Brown break; 2104ee7e38e3SLen Brown case 0x4C: /* AMT */ 2105ee7e38e3SLen Brown pkg_cstate_limits = amt_pkg_cstate_limits; 2106ee7e38e3SLen Brown break; 2107ee7e38e3SLen Brown case 0x57: /* PHI */ 2108ee7e38e3SLen Brown pkg_cstate_limits = phi_pkg_cstate_limits; 2109ee7e38e3SLen Brown break; 2110103a8feaSLen Brown default: 2111103a8feaSLen Brown return 0; 2112103a8feaSLen Brown } 21137ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 2114e9257f5fSLen Brown pkg_cstate_limit = pkg_cstate_limits[msr & 0xF]; 2115ee7e38e3SLen Brown 2116ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 211721ed5574SLen Brown base_ratio = (msr >> 8) & 0xFF; 211821ed5574SLen Brown 211921ed5574SLen Brown base_hz = base_ratio * bclk * 1000000; 212021ed5574SLen Brown has_base_hz = 1; 2121ee7e38e3SLen Brown return 1; 2122103a8feaSLen Brown } 2123d7899447SLen Brown int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model) 2124d7899447SLen Brown { 2125d7899447SLen Brown switch (model) { 2126d7899447SLen Brown /* Nehalem compatible, but do not include turbo-ratio limit support */ 2127d7899447SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 2128d7899447SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 2129cbf97abaSHubert Chrzaniuk case 0x57: /* PHI - Knights Landing (different MSR definition) */ 2130d7899447SLen Brown return 0; 2131d7899447SLen Brown default: 2132d7899447SLen Brown return 1; 2133d7899447SLen Brown } 2134d7899447SLen Brown } 21356574a5d5SLen Brown int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model) 21366574a5d5SLen Brown { 21376574a5d5SLen Brown if (!genuine_intel) 21386574a5d5SLen Brown return 0; 21396574a5d5SLen Brown 21406574a5d5SLen Brown if (family != 6) 21416574a5d5SLen Brown return 0; 21426574a5d5SLen Brown 21436574a5d5SLen Brown switch (model) { 21446574a5d5SLen Brown case 0x3E: /* IVB Xeon */ 2145fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 21466574a5d5SLen Brown return 1; 21476574a5d5SLen Brown default: 21486574a5d5SLen Brown return 0; 21496574a5d5SLen Brown } 21506574a5d5SLen Brown } 2151fcd17211SLen Brown int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model) 2152fcd17211SLen Brown { 2153fcd17211SLen Brown if (!genuine_intel) 2154fcd17211SLen Brown return 0; 2155fcd17211SLen Brown 2156fcd17211SLen Brown if (family != 6) 2157fcd17211SLen Brown return 0; 2158fcd17211SLen Brown 2159fcd17211SLen Brown switch (model) { 2160fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 2161fcd17211SLen Brown return 1; 2162fcd17211SLen Brown default: 2163fcd17211SLen Brown return 0; 2164fcd17211SLen Brown } 2165fcd17211SLen Brown } 2166fcd17211SLen Brown 2167fb5d4327SDasaratharaman Chandramouli int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model) 2168fb5d4327SDasaratharaman Chandramouli { 2169fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 2170fb5d4327SDasaratharaman Chandramouli return 0; 2171fb5d4327SDasaratharaman Chandramouli 2172fb5d4327SDasaratharaman Chandramouli if (family != 6) 2173fb5d4327SDasaratharaman Chandramouli return 0; 2174fb5d4327SDasaratharaman Chandramouli 2175fb5d4327SDasaratharaman Chandramouli switch (model) { 2176fb5d4327SDasaratharaman Chandramouli case 0x57: /* Knights Landing */ 2177fb5d4327SDasaratharaman Chandramouli return 1; 2178fb5d4327SDasaratharaman Chandramouli default: 2179fb5d4327SDasaratharaman Chandramouli return 0; 2180fb5d4327SDasaratharaman Chandramouli } 2181fb5d4327SDasaratharaman Chandramouli } 21826fb3143bSLen Brown int has_config_tdp(unsigned int family, unsigned int model) 21836fb3143bSLen Brown { 21846fb3143bSLen Brown if (!genuine_intel) 21856fb3143bSLen Brown return 0; 21866fb3143bSLen Brown 21876fb3143bSLen Brown if (family != 6) 21886fb3143bSLen Brown return 0; 21896fb3143bSLen Brown 21906fb3143bSLen Brown switch (model) { 21916fb3143bSLen Brown case 0x3A: /* IVB */ 21926fb3143bSLen Brown case 0x3C: /* HSW */ 21936fb3143bSLen Brown case 0x3F: /* HSX */ 21946fb3143bSLen Brown case 0x45: /* HSW */ 21956fb3143bSLen Brown case 0x46: /* HSW */ 21966fb3143bSLen Brown case 0x3D: /* BDW */ 21976fb3143bSLen Brown case 0x47: /* BDW */ 21986fb3143bSLen Brown case 0x4F: /* BDX */ 21996fb3143bSLen Brown case 0x56: /* BDX-DE */ 22006fb3143bSLen Brown case 0x4E: /* SKL */ 22016fb3143bSLen Brown case 0x5E: /* SKL */ 22026fb3143bSLen Brown 22036fb3143bSLen Brown case 0x57: /* Knights Landing */ 22046fb3143bSLen Brown return 1; 22056fb3143bSLen Brown default: 22066fb3143bSLen Brown return 0; 22076fb3143bSLen Brown } 22086fb3143bSLen Brown } 22096fb3143bSLen Brown 2210fcd17211SLen Brown static void 221158cc30a4SLen Brown dump_cstate_pstate_config_info(int family, int model) 2212fcd17211SLen Brown { 2213fcd17211SLen Brown if (!do_nhm_platform_info) 2214fcd17211SLen Brown return; 2215fcd17211SLen Brown 2216fcd17211SLen Brown dump_nhm_platform_info(); 2217fcd17211SLen Brown 2218fcd17211SLen Brown if (has_hsw_turbo_ratio_limit(family, model)) 2219fcd17211SLen Brown dump_hsw_turbo_ratio_limits(); 2220fcd17211SLen Brown 2221fcd17211SLen Brown if (has_ivt_turbo_ratio_limit(family, model)) 2222fcd17211SLen Brown dump_ivt_turbo_ratio_limits(); 2223fcd17211SLen Brown 2224fcd17211SLen Brown if (has_nhm_turbo_ratio_limit(family, model)) 2225fcd17211SLen Brown dump_nhm_turbo_ratio_limits(); 2226fcd17211SLen Brown 2227fb5d4327SDasaratharaman Chandramouli if (has_knl_turbo_ratio_limit(family, model)) 2228fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(); 2229fb5d4327SDasaratharaman Chandramouli 22306fb3143bSLen Brown if (has_config_tdp(family, model)) 22316fb3143bSLen Brown dump_config_tdp(); 22326fb3143bSLen Brown 2233fcd17211SLen Brown dump_nhm_cst_cfg(); 2234fcd17211SLen Brown } 2235fcd17211SLen Brown 22366574a5d5SLen Brown 2237889facbeSLen Brown /* 2238889facbeSLen Brown * print_epb() 2239889facbeSLen Brown * Decode the ENERGY_PERF_BIAS MSR 2240889facbeSLen Brown */ 2241889facbeSLen Brown int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2242889facbeSLen Brown { 2243889facbeSLen Brown unsigned long long msr; 2244889facbeSLen Brown char *epb_string; 2245889facbeSLen Brown int cpu; 2246889facbeSLen Brown 2247889facbeSLen Brown if (!has_epb) 2248889facbeSLen Brown return 0; 2249889facbeSLen Brown 2250889facbeSLen Brown cpu = t->cpu_id; 2251889facbeSLen Brown 2252889facbeSLen Brown /* EPB is per-package */ 2253889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2254889facbeSLen Brown return 0; 2255889facbeSLen Brown 2256889facbeSLen Brown if (cpu_migrate(cpu)) { 2257b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2258889facbeSLen Brown return -1; 2259889facbeSLen Brown } 2260889facbeSLen Brown 2261889facbeSLen Brown if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr)) 2262889facbeSLen Brown return 0; 2263889facbeSLen Brown 2264e9be7dd6SLen Brown switch (msr & 0xF) { 2265889facbeSLen Brown case ENERGY_PERF_BIAS_PERFORMANCE: 2266889facbeSLen Brown epb_string = "performance"; 2267889facbeSLen Brown break; 2268889facbeSLen Brown case ENERGY_PERF_BIAS_NORMAL: 2269889facbeSLen Brown epb_string = "balanced"; 2270889facbeSLen Brown break; 2271889facbeSLen Brown case ENERGY_PERF_BIAS_POWERSAVE: 2272889facbeSLen Brown epb_string = "powersave"; 2273889facbeSLen Brown break; 2274889facbeSLen Brown default: 2275889facbeSLen Brown epb_string = "custom"; 2276889facbeSLen Brown break; 2277889facbeSLen Brown } 2278b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string); 2279889facbeSLen Brown 2280889facbeSLen Brown return 0; 2281889facbeSLen Brown } 22827f5c258eSLen Brown /* 22837f5c258eSLen Brown * print_hwp() 22847f5c258eSLen Brown * Decode the MSR_HWP_CAPABILITIES 22857f5c258eSLen Brown */ 22867f5c258eSLen Brown int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) 22877f5c258eSLen Brown { 22887f5c258eSLen Brown unsigned long long msr; 22897f5c258eSLen Brown int cpu; 22907f5c258eSLen Brown 22917f5c258eSLen Brown if (!has_hwp) 22927f5c258eSLen Brown return 0; 22937f5c258eSLen Brown 22947f5c258eSLen Brown cpu = t->cpu_id; 22957f5c258eSLen Brown 22967f5c258eSLen Brown /* MSR_HWP_CAPABILITIES is per-package */ 22977f5c258eSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 22987f5c258eSLen Brown return 0; 22997f5c258eSLen Brown 23007f5c258eSLen Brown if (cpu_migrate(cpu)) { 2301b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 23027f5c258eSLen Brown return -1; 23037f5c258eSLen Brown } 23047f5c258eSLen Brown 23057f5c258eSLen Brown if (get_msr(cpu, MSR_PM_ENABLE, &msr)) 23067f5c258eSLen Brown return 0; 23077f5c258eSLen Brown 2308b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PM_ENABLE: 0x%08llx (%sHWP)\n", 23097f5c258eSLen Brown cpu, msr, (msr & (1 << 0)) ? "" : "No-"); 23107f5c258eSLen Brown 23117f5c258eSLen Brown /* MSR_PM_ENABLE[1] == 1 if HWP is enabled and MSRs visible */ 23127f5c258eSLen Brown if ((msr & (1 << 0)) == 0) 23137f5c258eSLen Brown return 0; 23147f5c258eSLen Brown 23157f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_CAPABILITIES, &msr)) 23167f5c258eSLen Brown return 0; 23177f5c258eSLen Brown 2318b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_CAPABILITIES: 0x%08llx " 23197f5c258eSLen Brown "(high 0x%x guar 0x%x eff 0x%x low 0x%x)\n", 23207f5c258eSLen Brown cpu, msr, 23217f5c258eSLen Brown (unsigned int)HWP_HIGHEST_PERF(msr), 23227f5c258eSLen Brown (unsigned int)HWP_GUARANTEED_PERF(msr), 23237f5c258eSLen Brown (unsigned int)HWP_MOSTEFFICIENT_PERF(msr), 23247f5c258eSLen Brown (unsigned int)HWP_LOWEST_PERF(msr)); 23257f5c258eSLen Brown 23267f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST, &msr)) 23277f5c258eSLen Brown return 0; 23287f5c258eSLen Brown 2329b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_REQUEST: 0x%08llx " 23307f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x pkg 0x%x)\n", 23317f5c258eSLen Brown cpu, msr, 23327f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 23337f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 23347f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 23357f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 23367f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3), 23377f5c258eSLen Brown (unsigned int)(((msr) >> 42) & 0x1)); 23387f5c258eSLen Brown 23397f5c258eSLen Brown if (has_hwp_pkg) { 23407f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST_PKG, &msr)) 23417f5c258eSLen Brown return 0; 23427f5c258eSLen Brown 2343b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_REQUEST_PKG: 0x%08llx " 23447f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x)\n", 23457f5c258eSLen Brown cpu, msr, 23467f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 23477f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 23487f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 23497f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 23507f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3)); 23517f5c258eSLen Brown } 23527f5c258eSLen Brown if (has_hwp_notify) { 23537f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_INTERRUPT, &msr)) 23547f5c258eSLen Brown return 0; 23557f5c258eSLen Brown 2356b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_INTERRUPT: 0x%08llx " 23577f5c258eSLen Brown "(%s_Guaranteed_Perf_Change, %s_Excursion_Min)\n", 23587f5c258eSLen Brown cpu, msr, 23597f5c258eSLen Brown ((msr) & 0x1) ? "EN" : "Dis", 23607f5c258eSLen Brown ((msr) & 0x2) ? "EN" : "Dis"); 23617f5c258eSLen Brown } 23627f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_STATUS, &msr)) 23637f5c258eSLen Brown return 0; 23647f5c258eSLen Brown 2365b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_STATUS: 0x%08llx " 23667f5c258eSLen Brown "(%sGuaranteed_Perf_Change, %sExcursion_Min)\n", 23677f5c258eSLen Brown cpu, msr, 23687f5c258eSLen Brown ((msr) & 0x1) ? "" : "No-", 23697f5c258eSLen Brown ((msr) & 0x2) ? "" : "No-"); 23707f5c258eSLen Brown 23717f5c258eSLen Brown return 0; 23727f5c258eSLen Brown } 2373889facbeSLen Brown 23743a9a941dSLen Brown /* 23753a9a941dSLen Brown * print_perf_limit() 23763a9a941dSLen Brown */ 23773a9a941dSLen Brown int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p) 23783a9a941dSLen Brown { 23793a9a941dSLen Brown unsigned long long msr; 23803a9a941dSLen Brown int cpu; 23813a9a941dSLen Brown 23823a9a941dSLen Brown cpu = t->cpu_id; 23833a9a941dSLen Brown 23843a9a941dSLen Brown /* per-package */ 23853a9a941dSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 23863a9a941dSLen Brown return 0; 23873a9a941dSLen Brown 23883a9a941dSLen Brown if (cpu_migrate(cpu)) { 2389b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 23903a9a941dSLen Brown return -1; 23913a9a941dSLen Brown } 23923a9a941dSLen Brown 23933a9a941dSLen Brown if (do_core_perf_limit_reasons) { 23943a9a941dSLen Brown get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr); 2395b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2396b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)", 2397e33cbe85SLen Brown (msr & 1 << 15) ? "bit15, " : "", 23983a9a941dSLen Brown (msr & 1 << 14) ? "bit14, " : "", 2399e33cbe85SLen Brown (msr & 1 << 13) ? "Transitions, " : "", 2400e33cbe85SLen Brown (msr & 1 << 12) ? "MultiCoreTurbo, " : "", 2401e33cbe85SLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : "", 2402e33cbe85SLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 2403e33cbe85SLen Brown (msr & 1 << 9) ? "CorePwr, " : "", 2404e33cbe85SLen Brown (msr & 1 << 8) ? "Amps, " : "", 2405e33cbe85SLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 2406e33cbe85SLen Brown (msr & 1 << 5) ? "Auto-HWP, " : "", 2407e33cbe85SLen Brown (msr & 1 << 4) ? "Graphics, " : "", 2408e33cbe85SLen Brown (msr & 1 << 2) ? "bit2, " : "", 2409e33cbe85SLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 2410e33cbe85SLen Brown (msr & 1 << 0) ? "PROCHOT, " : ""); 2411b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n", 2412e33cbe85SLen Brown (msr & 1 << 31) ? "bit31, " : "", 24133a9a941dSLen Brown (msr & 1 << 30) ? "bit30, " : "", 2414e33cbe85SLen Brown (msr & 1 << 29) ? "Transitions, " : "", 2415e33cbe85SLen Brown (msr & 1 << 28) ? "MultiCoreTurbo, " : "", 2416e33cbe85SLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : "", 2417e33cbe85SLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 2418e33cbe85SLen Brown (msr & 1 << 25) ? "CorePwr, " : "", 2419e33cbe85SLen Brown (msr & 1 << 24) ? "Amps, " : "", 2420e33cbe85SLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 2421e33cbe85SLen Brown (msr & 1 << 21) ? "Auto-HWP, " : "", 2422e33cbe85SLen Brown (msr & 1 << 20) ? "Graphics, " : "", 2423e33cbe85SLen Brown (msr & 1 << 18) ? "bit18, " : "", 2424e33cbe85SLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 2425e33cbe85SLen Brown (msr & 1 << 16) ? "PROCHOT, " : ""); 24263a9a941dSLen Brown 24273a9a941dSLen Brown } 24283a9a941dSLen Brown if (do_gfx_perf_limit_reasons) { 24293a9a941dSLen Brown get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr); 2430b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2431b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s%s%s)", 24323a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 24333a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 24343a9a941dSLen Brown (msr & 1 << 4) ? "Graphics, " : "", 24353a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 24363a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 24373a9a941dSLen Brown (msr & 1 << 9) ? "GFXPwr, " : "", 24383a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 24393a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 2440b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s)\n", 24413a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 24423a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 24433a9a941dSLen Brown (msr & 1 << 20) ? "Graphics, " : "", 24443a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 24453a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 24463a9a941dSLen Brown (msr & 1 << 25) ? "GFXPwr, " : "", 24473a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 24483a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 24493a9a941dSLen Brown } 24503a9a941dSLen Brown if (do_ring_perf_limit_reasons) { 24513a9a941dSLen Brown get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr); 2452b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2453b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s)", 24543a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 24553a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 24563a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 24573a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 24583a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 24593a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 2460b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s)\n", 24613a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 24623a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 24633a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 24643a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 24653a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 24663a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 24673a9a941dSLen Brown } 24683a9a941dSLen Brown return 0; 24693a9a941dSLen Brown } 24703a9a941dSLen Brown 2471889facbeSLen Brown #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */ 2472889facbeSLen Brown #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */ 2473889facbeSLen Brown 247458cc30a4SLen Brown double get_tdp(int model) 2475144b44b1SLen Brown { 2476144b44b1SLen Brown unsigned long long msr; 2477144b44b1SLen Brown 2478144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) 24797ce7d5deSPrarit Bhargava if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr)) 2480144b44b1SLen Brown return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units; 2481144b44b1SLen Brown 2482144b44b1SLen Brown switch (model) { 2483144b44b1SLen Brown case 0x37: 2484144b44b1SLen Brown case 0x4D: 2485144b44b1SLen Brown return 30.0; 2486144b44b1SLen Brown default: 2487144b44b1SLen Brown return 135.0; 2488144b44b1SLen Brown } 2489144b44b1SLen Brown } 2490144b44b1SLen Brown 249140ee8e3bSAndrey Semin /* 249240ee8e3bSAndrey Semin * rapl_dram_energy_units_probe() 249340ee8e3bSAndrey Semin * Energy units are either hard-coded, or come from RAPL Energy Unit MSR. 249440ee8e3bSAndrey Semin */ 249540ee8e3bSAndrey Semin static double 249640ee8e3bSAndrey Semin rapl_dram_energy_units_probe(int model, double rapl_energy_units) 249740ee8e3bSAndrey Semin { 249840ee8e3bSAndrey Semin /* only called for genuine_intel, family 6 */ 249940ee8e3bSAndrey Semin 250040ee8e3bSAndrey Semin switch (model) { 250140ee8e3bSAndrey Semin case 0x3F: /* HSX */ 250240ee8e3bSAndrey Semin case 0x4F: /* BDX */ 250340ee8e3bSAndrey Semin case 0x56: /* BDX-DE */ 2504fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 250540ee8e3bSAndrey Semin return (rapl_dram_energy_units = 15.3 / 1000000); 250640ee8e3bSAndrey Semin default: 250740ee8e3bSAndrey Semin return (rapl_energy_units); 250840ee8e3bSAndrey Semin } 250940ee8e3bSAndrey Semin } 251040ee8e3bSAndrey Semin 2511144b44b1SLen Brown 2512889facbeSLen Brown /* 2513889facbeSLen Brown * rapl_probe() 2514889facbeSLen Brown * 2515144b44b1SLen Brown * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units 2516889facbeSLen Brown */ 2517889facbeSLen Brown void rapl_probe(unsigned int family, unsigned int model) 2518889facbeSLen Brown { 2519889facbeSLen Brown unsigned long long msr; 2520144b44b1SLen Brown unsigned int time_unit; 2521889facbeSLen Brown double tdp; 2522889facbeSLen Brown 2523889facbeSLen Brown if (!genuine_intel) 2524889facbeSLen Brown return; 2525889facbeSLen Brown 2526889facbeSLen Brown if (family != 6) 2527889facbeSLen Brown return; 2528889facbeSLen Brown 2529889facbeSLen Brown switch (model) { 2530889facbeSLen Brown case 0x2A: 2531889facbeSLen Brown case 0x3A: 253270b43400SLen Brown case 0x3C: /* HSW */ 253370b43400SLen Brown case 0x45: /* HSW */ 2534149c2319SLen Brown case 0x46: /* HSW */ 25354e8e863fSLen Brown case 0x3D: /* BDW */ 253648a0631cSLen Brown case 0x47: /* BDW */ 2537144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; 2538889facbeSLen Brown break; 25390b2bb692SLen Brown case 0x4E: /* SKL */ 25400b2bb692SLen Brown case 0x5E: /* SKL */ 25410b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 25420b2bb692SLen Brown break; 2543e6f9bb3cSLen Brown case 0x3F: /* HSX */ 25444e8e863fSLen Brown case 0x4F: /* BDX */ 25454e8e863fSLen Brown case 0x56: /* BDX-DE */ 2546fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 25470b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 2548e6f9bb3cSLen Brown break; 2549889facbeSLen Brown case 0x2D: 2550889facbeSLen Brown case 0x3E: 25510b2bb692SLen Brown 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; 2552144b44b1SLen Brown break; 2553144b44b1SLen Brown case 0x37: /* BYT */ 2554144b44b1SLen Brown case 0x4D: /* AVN */ 2555144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES ; 2556889facbeSLen Brown break; 2557889facbeSLen Brown default: 2558889facbeSLen Brown return; 2559889facbeSLen Brown } 2560889facbeSLen Brown 2561889facbeSLen Brown /* units on package 0, verify later other packages match */ 25627ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr)) 2563889facbeSLen Brown return; 2564889facbeSLen Brown 2565889facbeSLen Brown rapl_power_units = 1.0 / (1 << (msr & 0xF)); 2566144b44b1SLen Brown if (model == 0x37) 2567144b44b1SLen Brown rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000; 2568144b44b1SLen Brown else 2569889facbeSLen Brown rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F)); 2570889facbeSLen Brown 257140ee8e3bSAndrey Semin rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units); 257240ee8e3bSAndrey Semin 2573144b44b1SLen Brown time_unit = msr >> 16 & 0xF; 2574144b44b1SLen Brown if (time_unit == 0) 2575144b44b1SLen Brown time_unit = 0xA; 2576889facbeSLen Brown 2577144b44b1SLen Brown rapl_time_units = 1.0 / (1 << (time_unit)); 2578144b44b1SLen Brown 2579144b44b1SLen Brown tdp = get_tdp(model); 2580889facbeSLen Brown 2581889facbeSLen Brown rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; 2582d8af6f5fSLen Brown if (debug) 2583b7d8c148SLen Brown fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp); 2584889facbeSLen Brown 2585889facbeSLen Brown return; 2586889facbeSLen Brown } 2587889facbeSLen Brown 258858cc30a4SLen Brown void perf_limit_reasons_probe(int family, int model) 25893a9a941dSLen Brown { 25903a9a941dSLen Brown if (!genuine_intel) 25913a9a941dSLen Brown return; 25923a9a941dSLen Brown 25933a9a941dSLen Brown if (family != 6) 25943a9a941dSLen Brown return; 25953a9a941dSLen Brown 25963a9a941dSLen Brown switch (model) { 25973a9a941dSLen Brown case 0x3C: /* HSW */ 25983a9a941dSLen Brown case 0x45: /* HSW */ 25993a9a941dSLen Brown case 0x46: /* HSW */ 26003a9a941dSLen Brown do_gfx_perf_limit_reasons = 1; 26013a9a941dSLen Brown case 0x3F: /* HSX */ 26023a9a941dSLen Brown do_core_perf_limit_reasons = 1; 26033a9a941dSLen Brown do_ring_perf_limit_reasons = 1; 26043a9a941dSLen Brown default: 26053a9a941dSLen Brown return; 26063a9a941dSLen Brown } 26073a9a941dSLen Brown } 26083a9a941dSLen Brown 2609889facbeSLen Brown int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2610889facbeSLen Brown { 2611889facbeSLen Brown unsigned long long msr; 2612889facbeSLen Brown unsigned int dts; 2613889facbeSLen Brown int cpu; 2614889facbeSLen Brown 2615889facbeSLen Brown if (!(do_dts || do_ptm)) 2616889facbeSLen Brown return 0; 2617889facbeSLen Brown 2618889facbeSLen Brown cpu = t->cpu_id; 2619889facbeSLen Brown 2620889facbeSLen Brown /* DTS is per-core, no need to print for each thread */ 2621889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 2622889facbeSLen Brown return 0; 2623889facbeSLen Brown 2624889facbeSLen Brown if (cpu_migrate(cpu)) { 2625b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2626889facbeSLen Brown return -1; 2627889facbeSLen Brown } 2628889facbeSLen Brown 2629889facbeSLen Brown if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) { 2630889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 2631889facbeSLen Brown return 0; 2632889facbeSLen Brown 2633889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2634b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", 2635889facbeSLen Brown cpu, msr, tcc_activation_temp - dts); 2636889facbeSLen Brown 2637889facbeSLen Brown #ifdef THERM_DEBUG 2638889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) 2639889facbeSLen Brown return 0; 2640889facbeSLen Brown 2641889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2642889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2643b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2644889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2645889facbeSLen Brown #endif 2646889facbeSLen Brown } 2647889facbeSLen Brown 2648889facbeSLen Brown 2649889facbeSLen Brown if (do_dts) { 2650889facbeSLen Brown unsigned int resolution; 2651889facbeSLen Brown 2652889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 2653889facbeSLen Brown return 0; 2654889facbeSLen Brown 2655889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2656889facbeSLen Brown resolution = (msr >> 27) & 0xF; 2657b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", 2658889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, resolution); 2659889facbeSLen Brown 2660889facbeSLen Brown #ifdef THERM_DEBUG 2661889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) 2662889facbeSLen Brown return 0; 2663889facbeSLen Brown 2664889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2665889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2666b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2667889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2668889facbeSLen Brown #endif 2669889facbeSLen Brown } 2670889facbeSLen Brown 2671889facbeSLen Brown return 0; 2672889facbeSLen Brown } 2673889facbeSLen Brown 2674889facbeSLen Brown void print_power_limit_msr(int cpu, unsigned long long msr, char *label) 2675889facbeSLen Brown { 2676b7d8c148SLen Brown fprintf(outf, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n", 2677889facbeSLen Brown cpu, label, 2678889facbeSLen Brown ((msr >> 15) & 1) ? "EN" : "DIS", 2679889facbeSLen Brown ((msr >> 0) & 0x7FFF) * rapl_power_units, 2680889facbeSLen Brown (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units, 2681889facbeSLen Brown (((msr >> 16) & 1) ? "EN" : "DIS")); 2682889facbeSLen Brown 2683889facbeSLen Brown return; 2684889facbeSLen Brown } 2685889facbeSLen Brown 2686889facbeSLen Brown int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2687889facbeSLen Brown { 2688889facbeSLen Brown unsigned long long msr; 2689889facbeSLen Brown int cpu; 2690889facbeSLen Brown 2691889facbeSLen Brown if (!do_rapl) 2692889facbeSLen Brown return 0; 2693889facbeSLen Brown 2694889facbeSLen Brown /* RAPL counters are per package, so print only for 1st thread/package */ 2695889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2696889facbeSLen Brown return 0; 2697889facbeSLen Brown 2698889facbeSLen Brown cpu = t->cpu_id; 2699889facbeSLen Brown if (cpu_migrate(cpu)) { 2700b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2701889facbeSLen Brown return -1; 2702889facbeSLen Brown } 2703889facbeSLen Brown 2704889facbeSLen Brown if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr)) 2705889facbeSLen Brown return -1; 2706889facbeSLen Brown 2707d8af6f5fSLen Brown if (debug) { 2708b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx " 2709889facbeSLen Brown "(%f Watts, %f Joules, %f sec.)\n", cpu, msr, 2710144b44b1SLen Brown rapl_power_units, rapl_energy_units, rapl_time_units); 2711889facbeSLen Brown } 2712144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) { 2713144b44b1SLen Brown 2714889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr)) 2715889facbeSLen Brown return -5; 2716889facbeSLen Brown 2717889facbeSLen Brown 2718b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2719889facbeSLen Brown cpu, msr, 2720889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2721889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2722889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2723889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 2724889facbeSLen Brown 2725144b44b1SLen Brown } 2726144b44b1SLen Brown if (do_rapl & RAPL_PKG) { 2727144b44b1SLen Brown 2728889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr)) 2729889facbeSLen Brown return -9; 2730889facbeSLen Brown 2731b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n", 2732889facbeSLen Brown cpu, msr, (msr >> 63) & 1 ? "": "UN"); 2733889facbeSLen Brown 2734889facbeSLen Brown print_power_limit_msr(cpu, msr, "PKG Limit #1"); 2735b7d8c148SLen Brown fprintf(outf, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n", 2736889facbeSLen Brown cpu, 2737889facbeSLen Brown ((msr >> 47) & 1) ? "EN" : "DIS", 2738889facbeSLen Brown ((msr >> 32) & 0x7FFF) * rapl_power_units, 2739889facbeSLen Brown (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units, 2740889facbeSLen Brown ((msr >> 48) & 1) ? "EN" : "DIS"); 2741889facbeSLen Brown } 2742889facbeSLen Brown 27430b2bb692SLen Brown if (do_rapl & RAPL_DRAM_POWER_INFO) { 2744889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr)) 2745889facbeSLen Brown return -6; 2746889facbeSLen Brown 2747b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2748889facbeSLen Brown cpu, msr, 2749889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2750889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2751889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2752889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 27530b2bb692SLen Brown } 27540b2bb692SLen Brown if (do_rapl & RAPL_DRAM) { 2755889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr)) 2756889facbeSLen Brown return -9; 2757b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n", 2758889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2759889facbeSLen Brown 2760889facbeSLen Brown print_power_limit_msr(cpu, msr, "DRAM Limit"); 2761889facbeSLen Brown } 2762144b44b1SLen Brown if (do_rapl & RAPL_CORE_POLICY) { 2763d8af6f5fSLen Brown if (debug) { 2764889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POLICY, &msr)) 2765889facbeSLen Brown return -7; 2766889facbeSLen Brown 2767b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF); 2768144b44b1SLen Brown } 2769144b44b1SLen Brown } 2770144b44b1SLen Brown if (do_rapl & RAPL_CORES) { 2771d8af6f5fSLen Brown if (debug) { 2772889facbeSLen Brown 2773889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr)) 2774889facbeSLen Brown return -9; 2775b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n", 2776889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2777889facbeSLen Brown print_power_limit_msr(cpu, msr, "Cores Limit"); 2778889facbeSLen Brown } 2779889facbeSLen Brown } 2780889facbeSLen Brown if (do_rapl & RAPL_GFX) { 2781d8af6f5fSLen Brown if (debug) { 2782889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POLICY, &msr)) 2783889facbeSLen Brown return -8; 2784889facbeSLen Brown 2785b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF); 2786889facbeSLen Brown 2787889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr)) 2788889facbeSLen Brown return -9; 2789b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n", 2790889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2791889facbeSLen Brown print_power_limit_msr(cpu, msr, "GFX Limit"); 2792889facbeSLen Brown } 2793889facbeSLen Brown } 2794889facbeSLen Brown return 0; 2795889facbeSLen Brown } 2796889facbeSLen Brown 2797d7899447SLen Brown /* 2798d7899447SLen Brown * SNB adds support for additional MSRs: 2799d7899447SLen Brown * 2800d7899447SLen Brown * MSR_PKG_C7_RESIDENCY 0x000003fa 2801d7899447SLen Brown * MSR_CORE_C7_RESIDENCY 0x000003fe 2802d7899447SLen Brown * MSR_PKG_C2_RESIDENCY 0x0000060d 2803d7899447SLen Brown */ 2804103a8feaSLen Brown 2805d7899447SLen Brown int has_snb_msrs(unsigned int family, unsigned int model) 2806103a8feaSLen Brown { 2807103a8feaSLen Brown if (!genuine_intel) 2808103a8feaSLen Brown return 0; 2809103a8feaSLen Brown 2810103a8feaSLen Brown switch (model) { 2811103a8feaSLen Brown case 0x2A: 2812103a8feaSLen Brown case 0x2D: 2813650a37f3SLen Brown case 0x3A: /* IVB */ 28141300651bSLen Brown case 0x3E: /* IVB Xeon */ 281570b43400SLen Brown case 0x3C: /* HSW */ 281670b43400SLen Brown case 0x3F: /* HSW */ 281770b43400SLen Brown case 0x45: /* HSW */ 2818149c2319SLen Brown case 0x46: /* HSW */ 28194e8e863fSLen Brown case 0x3D: /* BDW */ 282048a0631cSLen Brown case 0x47: /* BDW */ 28214e8e863fSLen Brown case 0x4F: /* BDX */ 28224e8e863fSLen Brown case 0x56: /* BDX-DE */ 28230b2bb692SLen Brown case 0x4E: /* SKL */ 28240b2bb692SLen Brown case 0x5E: /* SKL */ 2825103a8feaSLen Brown return 1; 2826103a8feaSLen Brown } 2827103a8feaSLen Brown return 0; 2828103a8feaSLen Brown } 2829103a8feaSLen Brown 2830d7899447SLen Brown /* 2831d7899447SLen Brown * HSW adds support for additional MSRs: 2832d7899447SLen Brown * 2833d7899447SLen Brown * MSR_PKG_C8_RESIDENCY 0x00000630 2834d7899447SLen Brown * MSR_PKG_C9_RESIDENCY 0x00000631 2835d7899447SLen Brown * MSR_PKG_C10_RESIDENCY 0x00000632 2836d7899447SLen Brown */ 2837d7899447SLen Brown int has_hsw_msrs(unsigned int family, unsigned int model) 2838ca58710fSKristen Carlson Accardi { 2839ca58710fSKristen Carlson Accardi if (!genuine_intel) 2840ca58710fSKristen Carlson Accardi return 0; 2841ca58710fSKristen Carlson Accardi 2842ca58710fSKristen Carlson Accardi switch (model) { 28434e8e863fSLen Brown case 0x45: /* HSW */ 28444e8e863fSLen Brown case 0x3D: /* BDW */ 28450b2bb692SLen Brown case 0x4E: /* SKL */ 28460b2bb692SLen Brown case 0x5E: /* SKL */ 2847ca58710fSKristen Carlson Accardi return 1; 2848ca58710fSKristen Carlson Accardi } 2849ca58710fSKristen Carlson Accardi return 0; 2850ca58710fSKristen Carlson Accardi } 2851ca58710fSKristen Carlson Accardi 28520b2bb692SLen Brown /* 28530b2bb692SLen Brown * SKL adds support for additional MSRS: 28540b2bb692SLen Brown * 28550b2bb692SLen Brown * MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658 28560b2bb692SLen Brown * MSR_PKG_ANY_CORE_C0_RES 0x00000659 28570b2bb692SLen Brown * MSR_PKG_ANY_GFXE_C0_RES 0x0000065A 28580b2bb692SLen Brown * MSR_PKG_BOTH_CORE_GFXE_C0_RES 0x0000065B 28590b2bb692SLen Brown */ 28600b2bb692SLen Brown int has_skl_msrs(unsigned int family, unsigned int model) 28610b2bb692SLen Brown { 28620b2bb692SLen Brown if (!genuine_intel) 28630b2bb692SLen Brown return 0; 28640b2bb692SLen Brown 28650b2bb692SLen Brown switch (model) { 28660b2bb692SLen Brown case 0x4E: /* SKL */ 28670b2bb692SLen Brown case 0x5E: /* SKL */ 28680b2bb692SLen Brown return 1; 28690b2bb692SLen Brown } 28700b2bb692SLen Brown return 0; 28710b2bb692SLen Brown } 28720b2bb692SLen Brown 28730b2bb692SLen Brown 2874ca58710fSKristen Carlson Accardi 2875144b44b1SLen Brown int is_slm(unsigned int family, unsigned int model) 2876144b44b1SLen Brown { 2877144b44b1SLen Brown if (!genuine_intel) 2878144b44b1SLen Brown return 0; 2879144b44b1SLen Brown switch (model) { 2880144b44b1SLen Brown case 0x37: /* BYT */ 2881144b44b1SLen Brown case 0x4D: /* AVN */ 2882144b44b1SLen Brown return 1; 2883144b44b1SLen Brown } 2884144b44b1SLen Brown return 0; 2885144b44b1SLen Brown } 2886144b44b1SLen Brown 2887fb5d4327SDasaratharaman Chandramouli int is_knl(unsigned int family, unsigned int model) 2888fb5d4327SDasaratharaman Chandramouli { 2889fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 2890fb5d4327SDasaratharaman Chandramouli return 0; 2891fb5d4327SDasaratharaman Chandramouli switch (model) { 2892fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 2893fb5d4327SDasaratharaman Chandramouli return 1; 2894fb5d4327SDasaratharaman Chandramouli } 2895fb5d4327SDasaratharaman Chandramouli return 0; 2896fb5d4327SDasaratharaman Chandramouli } 2897fb5d4327SDasaratharaman Chandramouli 2898b2b34dfeSHubert Chrzaniuk unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model) 2899b2b34dfeSHubert Chrzaniuk { 2900b2b34dfeSHubert Chrzaniuk if (is_knl(family, model)) 2901b2b34dfeSHubert Chrzaniuk return 1024; 2902b2b34dfeSHubert Chrzaniuk return 1; 2903b2b34dfeSHubert Chrzaniuk } 2904b2b34dfeSHubert Chrzaniuk 2905144b44b1SLen Brown #define SLM_BCLK_FREQS 5 2906144b44b1SLen Brown double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0}; 2907144b44b1SLen Brown 2908144b44b1SLen Brown double slm_bclk(void) 2909144b44b1SLen Brown { 2910144b44b1SLen Brown unsigned long long msr = 3; 2911144b44b1SLen Brown unsigned int i; 2912144b44b1SLen Brown double freq; 2913144b44b1SLen Brown 29147ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_FSB_FREQ, &msr)) 2915b7d8c148SLen Brown fprintf(outf, "SLM BCLK: unknown\n"); 2916144b44b1SLen Brown 2917144b44b1SLen Brown i = msr & 0xf; 2918144b44b1SLen Brown if (i >= SLM_BCLK_FREQS) { 2919b7d8c148SLen Brown fprintf(outf, "SLM BCLK[%d] invalid\n", i); 2920144b44b1SLen Brown msr = 3; 2921144b44b1SLen Brown } 2922144b44b1SLen Brown freq = slm_freq_table[i]; 2923144b44b1SLen Brown 2924b7d8c148SLen Brown fprintf(outf, "SLM BCLK: %.1f Mhz\n", freq); 2925144b44b1SLen Brown 2926144b44b1SLen Brown return freq; 2927144b44b1SLen Brown } 2928144b44b1SLen Brown 2929103a8feaSLen Brown double discover_bclk(unsigned int family, unsigned int model) 2930103a8feaSLen Brown { 2931121b48bbSChrzaniuk, Hubert if (has_snb_msrs(family, model) || is_knl(family, model)) 2932103a8feaSLen Brown return 100.00; 2933144b44b1SLen Brown else if (is_slm(family, model)) 2934144b44b1SLen Brown return slm_bclk(); 2935103a8feaSLen Brown else 2936103a8feaSLen Brown return 133.33; 2937103a8feaSLen Brown } 2938103a8feaSLen Brown 2939889facbeSLen Brown /* 2940889facbeSLen Brown * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where 2941889facbeSLen Brown * the Thermal Control Circuit (TCC) activates. 2942889facbeSLen Brown * This is usually equal to tjMax. 2943889facbeSLen Brown * 2944889facbeSLen Brown * Older processors do not have this MSR, so there we guess, 2945889facbeSLen Brown * but also allow cmdline over-ride with -T. 2946889facbeSLen Brown * 2947889facbeSLen Brown * Several MSR temperature values are in units of degrees-C 2948889facbeSLen Brown * below this value, including the Digital Thermal Sensor (DTS), 2949889facbeSLen Brown * Package Thermal Management Sensor (PTM), and thermal event thresholds. 2950889facbeSLen Brown */ 2951889facbeSLen Brown int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2952889facbeSLen Brown { 2953889facbeSLen Brown unsigned long long msr; 2954889facbeSLen Brown unsigned int target_c_local; 2955889facbeSLen Brown int cpu; 2956889facbeSLen Brown 2957889facbeSLen Brown /* tcc_activation_temp is used only for dts or ptm */ 2958889facbeSLen Brown if (!(do_dts || do_ptm)) 2959889facbeSLen Brown return 0; 2960889facbeSLen Brown 2961889facbeSLen Brown /* this is a per-package concept */ 2962889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2963889facbeSLen Brown return 0; 2964889facbeSLen Brown 2965889facbeSLen Brown cpu = t->cpu_id; 2966889facbeSLen Brown if (cpu_migrate(cpu)) { 2967b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2968889facbeSLen Brown return -1; 2969889facbeSLen Brown } 2970889facbeSLen Brown 2971889facbeSLen Brown if (tcc_activation_temp_override != 0) { 2972889facbeSLen Brown tcc_activation_temp = tcc_activation_temp_override; 2973b7d8c148SLen Brown fprintf(outf, "cpu%d: Using cmdline TCC Target (%d C)\n", 2974889facbeSLen Brown cpu, tcc_activation_temp); 2975889facbeSLen Brown return 0; 2976889facbeSLen Brown } 2977889facbeSLen Brown 2978889facbeSLen Brown /* Temperature Target MSR is Nehalem and newer only */ 2979d7899447SLen Brown if (!do_nhm_platform_info) 2980889facbeSLen Brown goto guess; 2981889facbeSLen Brown 29827ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr)) 2983889facbeSLen Brown goto guess; 2984889facbeSLen Brown 29853482124aSJean Delvare target_c_local = (msr >> 16) & 0xFF; 2986889facbeSLen Brown 2987d8af6f5fSLen Brown if (debug) 2988b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", 2989889facbeSLen Brown cpu, msr, target_c_local); 2990889facbeSLen Brown 29913482124aSJean Delvare if (!target_c_local) 2992889facbeSLen Brown goto guess; 2993889facbeSLen Brown 2994889facbeSLen Brown tcc_activation_temp = target_c_local; 2995889facbeSLen Brown 2996889facbeSLen Brown return 0; 2997889facbeSLen Brown 2998889facbeSLen Brown guess: 2999889facbeSLen Brown tcc_activation_temp = TJMAX_DEFAULT; 3000b7d8c148SLen Brown fprintf(outf, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n", 3001889facbeSLen Brown cpu, tcc_activation_temp); 3002889facbeSLen Brown 3003889facbeSLen Brown return 0; 3004889facbeSLen Brown } 300569807a63SLen Brown 300669807a63SLen Brown void decode_misc_enable_msr(void) 300769807a63SLen Brown { 300869807a63SLen Brown unsigned long long msr; 300969807a63SLen Brown 301069807a63SLen Brown if (!get_msr(base_cpu, MSR_IA32_MISC_ENABLE, &msr)) 3011b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_MISC_ENABLE: 0x%08llx (%s %s %s)\n", 301269807a63SLen Brown base_cpu, msr, 301369807a63SLen Brown msr & (1 << 3) ? "TCC" : "", 301469807a63SLen Brown msr & (1 << 16) ? "EIST" : "", 301569807a63SLen Brown msr & (1 << 18) ? "MONITOR" : ""); 301669807a63SLen Brown } 301769807a63SLen Brown 3018f0057310SLen Brown /* 3019f0057310SLen Brown * Decode MSR_MISC_PWR_MGMT 3020f0057310SLen Brown * 3021f0057310SLen Brown * Decode the bits according to the Nehalem documentation 3022f0057310SLen Brown * bit[0] seems to continue to have same meaning going forward 3023f0057310SLen Brown * bit[1] less so... 3024f0057310SLen Brown */ 3025f0057310SLen Brown void decode_misc_pwr_mgmt_msr(void) 3026f0057310SLen Brown { 3027f0057310SLen Brown unsigned long long msr; 3028f0057310SLen Brown 3029f0057310SLen Brown if (!do_nhm_platform_info) 3030f0057310SLen Brown return; 3031f0057310SLen Brown 3032f0057310SLen Brown if (!get_msr(base_cpu, MSR_MISC_PWR_MGMT, &msr)) 3033b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_MISC_PWR_MGMT: 0x%08llx (%sable-EIST_Coordination %sable-EPB)\n", 3034f0057310SLen Brown base_cpu, msr, 3035f0057310SLen Brown msr & (1 << 0) ? "DIS" : "EN", 3036f0057310SLen Brown msr & (1 << 1) ? "EN" : "DIS"); 3037f0057310SLen Brown } 30387f5c258eSLen Brown 3039fcd17211SLen Brown void process_cpuid() 3040103a8feaSLen Brown { 304161a87ba7SLen Brown unsigned int eax, ebx, ecx, edx, max_level, max_extended_level; 3042103a8feaSLen Brown unsigned int fms, family, model, stepping; 3043103a8feaSLen Brown 3044103a8feaSLen Brown eax = ebx = ecx = edx = 0; 3045103a8feaSLen Brown 30462b92865eSJosh Triplett __get_cpuid(0, &max_level, &ebx, &ecx, &edx); 3047103a8feaSLen Brown 3048103a8feaSLen Brown if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e) 3049103a8feaSLen Brown genuine_intel = 1; 3050103a8feaSLen Brown 3051d8af6f5fSLen Brown if (debug) 3052b7d8c148SLen Brown fprintf(outf, "CPUID(0): %.4s%.4s%.4s ", 3053103a8feaSLen Brown (char *)&ebx, (char *)&edx, (char *)&ecx); 3054103a8feaSLen Brown 30552b92865eSJosh Triplett __get_cpuid(1, &fms, &ebx, &ecx, &edx); 3056103a8feaSLen Brown family = (fms >> 8) & 0xf; 3057103a8feaSLen Brown model = (fms >> 4) & 0xf; 3058103a8feaSLen Brown stepping = fms & 0xf; 3059103a8feaSLen Brown if (family == 6 || family == 0xf) 3060103a8feaSLen Brown model += ((fms >> 16) & 0xf) << 4; 3061103a8feaSLen Brown 306269807a63SLen Brown if (debug) { 3063b7d8c148SLen Brown fprintf(outf, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n", 3064103a8feaSLen Brown max_level, family, model, stepping, family, model, stepping); 3065b7d8c148SLen Brown fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s\n", 306669807a63SLen Brown ecx & (1 << 0) ? "SSE3" : "-", 306769807a63SLen Brown ecx & (1 << 3) ? "MONITOR" : "-", 306869807a63SLen Brown ecx & (1 << 7) ? "EIST" : "-", 306969807a63SLen Brown ecx & (1 << 8) ? "TM2" : "-", 307069807a63SLen Brown edx & (1 << 4) ? "TSC" : "-", 307169807a63SLen Brown edx & (1 << 5) ? "MSR" : "-", 307269807a63SLen Brown edx & (1 << 22) ? "ACPI-TM" : "-", 307369807a63SLen Brown edx & (1 << 29) ? "TM" : "-"); 307469807a63SLen Brown } 3075103a8feaSLen Brown 3076b2c95d90SJosh Triplett if (!(edx & (1 << 5))) 3077b2c95d90SJosh Triplett errx(1, "CPUID: no MSR"); 3078103a8feaSLen Brown 3079103a8feaSLen Brown /* 3080103a8feaSLen Brown * check max extended function levels of CPUID. 3081103a8feaSLen Brown * This is needed to check for invariant TSC. 3082103a8feaSLen Brown * This check is valid for both Intel and AMD. 3083103a8feaSLen Brown */ 3084103a8feaSLen Brown ebx = ecx = edx = 0; 308561a87ba7SLen Brown __get_cpuid(0x80000000, &max_extended_level, &ebx, &ecx, &edx); 3086103a8feaSLen Brown 308761a87ba7SLen Brown if (max_extended_level >= 0x80000007) { 3088103a8feaSLen Brown 3089103a8feaSLen Brown /* 3090103a8feaSLen Brown * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 3091103a8feaSLen Brown * this check is valid for both Intel and AMD 3092103a8feaSLen Brown */ 30932b92865eSJosh Triplett __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx); 30948209e054SThomas Renninger has_invariant_tsc = edx & (1 << 8); 3095d7899447SLen Brown } 3096103a8feaSLen Brown 3097103a8feaSLen Brown /* 3098103a8feaSLen Brown * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0 3099103a8feaSLen Brown * this check is valid for both Intel and AMD 3100103a8feaSLen Brown */ 3101103a8feaSLen Brown 31022b92865eSJosh Triplett __get_cpuid(0x6, &eax, &ebx, &ecx, &edx); 31038209e054SThomas Renninger has_aperf = ecx & (1 << 0); 3104889facbeSLen Brown do_dts = eax & (1 << 0); 3105889facbeSLen Brown do_ptm = eax & (1 << 6); 31067f5c258eSLen Brown has_hwp = eax & (1 << 7); 31077f5c258eSLen Brown has_hwp_notify = eax & (1 << 8); 31087f5c258eSLen Brown has_hwp_activity_window = eax & (1 << 9); 31097f5c258eSLen Brown has_hwp_epp = eax & (1 << 10); 31107f5c258eSLen Brown has_hwp_pkg = eax & (1 << 11); 3111889facbeSLen Brown has_epb = ecx & (1 << 3); 3112889facbeSLen Brown 3113d8af6f5fSLen Brown if (debug) 3114b7d8c148SLen Brown fprintf(outf, "CPUID(6): %sAPERF, %sDTS, %sPTM, %sHWP, " 31157f5c258eSLen Brown "%sHWPnotify, %sHWPwindow, %sHWPepp, %sHWPpkg, %sEPB\n", 31167f5c258eSLen Brown has_aperf ? "" : "No-", 31177f5c258eSLen Brown do_dts ? "" : "No-", 31187f5c258eSLen Brown do_ptm ? "" : "No-", 31197f5c258eSLen Brown has_hwp ? "" : "No-", 31207f5c258eSLen Brown has_hwp_notify ? "" : "No-", 31217f5c258eSLen Brown has_hwp_activity_window ? "" : "No-", 31227f5c258eSLen Brown has_hwp_epp ? "" : "No-", 31237f5c258eSLen Brown has_hwp_pkg ? "" : "No-", 31247f5c258eSLen Brown has_epb ? "" : "No-"); 3125103a8feaSLen Brown 312669807a63SLen Brown if (debug) 312769807a63SLen Brown decode_misc_enable_msr(); 312869807a63SLen Brown 312961a87ba7SLen Brown if (max_level >= 0x15) { 31308a5bdf41SLen Brown unsigned int eax_crystal; 31318a5bdf41SLen Brown unsigned int ebx_tsc; 31328a5bdf41SLen Brown 31338a5bdf41SLen Brown /* 31348a5bdf41SLen Brown * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz 31358a5bdf41SLen Brown */ 31368a5bdf41SLen Brown eax_crystal = ebx_tsc = crystal_hz = edx = 0; 31378a5bdf41SLen Brown __get_cpuid(0x15, &eax_crystal, &ebx_tsc, &crystal_hz, &edx); 31388a5bdf41SLen Brown 31398a5bdf41SLen Brown if (ebx_tsc != 0) { 31408a5bdf41SLen Brown 31418a5bdf41SLen Brown if (debug && (ebx != 0)) 3142b7d8c148SLen Brown fprintf(outf, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n", 31438a5bdf41SLen Brown eax_crystal, ebx_tsc, crystal_hz); 31448a5bdf41SLen Brown 31458a5bdf41SLen Brown if (crystal_hz == 0) 31468a5bdf41SLen Brown switch(model) { 31478a5bdf41SLen Brown case 0x4E: /* SKL */ 31488a5bdf41SLen Brown case 0x5E: /* SKL */ 31498a5bdf41SLen Brown crystal_hz = 24000000; /* 24 MHz */ 31508a5bdf41SLen Brown break; 31518a5bdf41SLen Brown default: 31528a5bdf41SLen Brown crystal_hz = 0; 31538a5bdf41SLen Brown } 31548a5bdf41SLen Brown 31558a5bdf41SLen Brown if (crystal_hz) { 31568a5bdf41SLen Brown tsc_hz = (unsigned long long) crystal_hz * ebx_tsc / eax_crystal; 31578a5bdf41SLen Brown if (debug) 3158b7d8c148SLen Brown fprintf(outf, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n", 31598a5bdf41SLen Brown tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal); 31608a5bdf41SLen Brown } 31618a5bdf41SLen Brown } 31628a5bdf41SLen Brown } 316361a87ba7SLen Brown if (max_level >= 0x16) { 316461a87ba7SLen Brown unsigned int base_mhz, max_mhz, bus_mhz, edx; 316561a87ba7SLen Brown 316661a87ba7SLen Brown /* 316761a87ba7SLen Brown * CPUID 16H Base MHz, Max MHz, Bus MHz 316861a87ba7SLen Brown */ 316961a87ba7SLen Brown base_mhz = max_mhz = bus_mhz = edx = 0; 317061a87ba7SLen Brown 317161a87ba7SLen Brown __get_cpuid(0x16, &base_mhz, &max_mhz, &bus_mhz, &edx); 317261a87ba7SLen Brown if (debug) 3173b7d8c148SLen Brown fprintf(outf, "CPUID(0x16): base_mhz: %d max_mhz: %d bus_mhz: %d\n", 317461a87ba7SLen Brown base_mhz, max_mhz, bus_mhz); 317561a87ba7SLen Brown } 31768a5bdf41SLen Brown 3177b2b34dfeSHubert Chrzaniuk if (has_aperf) 3178b2b34dfeSHubert Chrzaniuk aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model); 3179b2b34dfeSHubert Chrzaniuk 3180ee7e38e3SLen Brown do_nhm_platform_info = do_nhm_cstates = do_smi = probe_nhm_msrs(family, model); 3181d7899447SLen Brown do_snb_cstates = has_snb_msrs(family, model); 3182ee7e38e3SLen Brown do_pc2 = do_snb_cstates && (pkg_cstate_limit >= PCL__2); 3183ee7e38e3SLen Brown do_pc3 = (pkg_cstate_limit >= PCL__3); 3184ee7e38e3SLen Brown do_pc6 = (pkg_cstate_limit >= PCL__6); 3185ee7e38e3SLen Brown do_pc7 = do_snb_cstates && (pkg_cstate_limit >= PCL__7); 3186d7899447SLen Brown do_c8_c9_c10 = has_hsw_msrs(family, model); 31870b2bb692SLen Brown do_skl_residency = has_skl_msrs(family, model); 3188144b44b1SLen Brown do_slm_cstates = is_slm(family, model); 3189fb5d4327SDasaratharaman Chandramouli do_knl_cstates = is_knl(family, model); 3190103a8feaSLen Brown 3191f0057310SLen Brown if (debug) 3192f0057310SLen Brown decode_misc_pwr_mgmt_msr(); 3193f0057310SLen Brown 3194889facbeSLen Brown rapl_probe(family, model); 31953a9a941dSLen Brown perf_limit_reasons_probe(family, model); 3196889facbeSLen Brown 3197fcd17211SLen Brown if (debug) 319858cc30a4SLen Brown dump_cstate_pstate_config_info(family, model); 3199fcd17211SLen Brown 3200a2b7b749SLen Brown if (has_skl_msrs(family, model)) 3201a2b7b749SLen Brown calculate_tsc_tweak(); 3202a2b7b749SLen Brown 3203*fdf676e5SLen Brown do_gfx_rc6_ms = !access("/sys/class/drm/card0/power/rc6_residency_ms", R_OK); 3204*fdf676e5SLen Brown 320527d47356SLen Brown do_gfx_mhz = !access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK); 320627d47356SLen Brown 3207889facbeSLen Brown return; 3208103a8feaSLen Brown } 3209103a8feaSLen Brown 3210d8af6f5fSLen Brown void help() 3211103a8feaSLen Brown { 3212b7d8c148SLen Brown fprintf(outf, 3213d8af6f5fSLen Brown "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n" 3214d8af6f5fSLen Brown "\n" 3215d8af6f5fSLen Brown "Turbostat forks the specified COMMAND and prints statistics\n" 3216d8af6f5fSLen Brown "when COMMAND completes.\n" 3217d8af6f5fSLen Brown "If no COMMAND is specified, turbostat wakes every 5-seconds\n" 3218d8af6f5fSLen Brown "to print statistics, until interrupted.\n" 3219d8af6f5fSLen Brown "--debug run in \"debug\" mode\n" 3220d8af6f5fSLen Brown "--interval sec Override default 5-second measurement interval\n" 3221d8af6f5fSLen Brown "--help print this help message\n" 3222d8af6f5fSLen Brown "--counter msr print 32-bit counter at address \"msr\"\n" 3223d8af6f5fSLen Brown "--Counter msr print 64-bit Counter at address \"msr\"\n" 3224b7d8c148SLen Brown "--out file create or truncate \"file\" for all output\n" 3225d8af6f5fSLen Brown "--msr msr print 32-bit value at address \"msr\"\n" 3226d8af6f5fSLen Brown "--MSR msr print 64-bit Value at address \"msr\"\n" 3227d8af6f5fSLen Brown "--version print version information\n" 3228d8af6f5fSLen Brown "\n" 3229d8af6f5fSLen Brown "For more help, run \"man turbostat\"\n"); 3230103a8feaSLen Brown } 3231103a8feaSLen Brown 3232103a8feaSLen Brown 3233103a8feaSLen Brown /* 3234103a8feaSLen Brown * in /dev/cpu/ return success for names that are numbers 3235103a8feaSLen Brown * ie. filter out ".", "..", "microcode". 3236103a8feaSLen Brown */ 3237103a8feaSLen Brown int dir_filter(const struct dirent *dirp) 3238103a8feaSLen Brown { 3239103a8feaSLen Brown if (isdigit(dirp->d_name[0])) 3240103a8feaSLen Brown return 1; 3241103a8feaSLen Brown else 3242103a8feaSLen Brown return 0; 3243103a8feaSLen Brown } 3244103a8feaSLen Brown 3245103a8feaSLen Brown int open_dev_cpu_msr(int dummy1) 3246103a8feaSLen Brown { 3247103a8feaSLen Brown return 0; 3248103a8feaSLen Brown } 3249103a8feaSLen Brown 3250c98d5d94SLen Brown void topology_probe() 3251c98d5d94SLen Brown { 3252c98d5d94SLen Brown int i; 3253c98d5d94SLen Brown int max_core_id = 0; 3254c98d5d94SLen Brown int max_package_id = 0; 3255c98d5d94SLen Brown int max_siblings = 0; 3256c98d5d94SLen Brown struct cpu_topology { 3257c98d5d94SLen Brown int core_id; 3258c98d5d94SLen Brown int physical_package_id; 3259c98d5d94SLen Brown } *cpus; 3260c98d5d94SLen Brown 3261c98d5d94SLen Brown /* Initialize num_cpus, max_cpu_num */ 3262c98d5d94SLen Brown topo.num_cpus = 0; 3263c98d5d94SLen Brown topo.max_cpu_num = 0; 3264c98d5d94SLen Brown for_all_proc_cpus(count_cpus); 3265c98d5d94SLen Brown if (!summary_only && topo.num_cpus > 1) 3266c98d5d94SLen Brown show_cpu = 1; 3267c98d5d94SLen Brown 3268d8af6f5fSLen Brown if (debug > 1) 3269b7d8c148SLen Brown fprintf(outf, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num); 3270c98d5d94SLen Brown 3271c98d5d94SLen Brown cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology)); 3272b2c95d90SJosh Triplett if (cpus == NULL) 3273b2c95d90SJosh Triplett err(1, "calloc cpus"); 3274c98d5d94SLen Brown 3275c98d5d94SLen Brown /* 3276c98d5d94SLen Brown * Allocate and initialize cpu_present_set 3277c98d5d94SLen Brown */ 3278c98d5d94SLen Brown cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1)); 3279b2c95d90SJosh Triplett if (cpu_present_set == NULL) 3280b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 3281c98d5d94SLen Brown cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 3282c98d5d94SLen Brown CPU_ZERO_S(cpu_present_setsize, cpu_present_set); 3283c98d5d94SLen Brown for_all_proc_cpus(mark_cpu_present); 3284c98d5d94SLen Brown 3285c98d5d94SLen Brown /* 3286c98d5d94SLen Brown * Allocate and initialize cpu_affinity_set 3287c98d5d94SLen Brown */ 3288c98d5d94SLen Brown cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1)); 3289b2c95d90SJosh Triplett if (cpu_affinity_set == NULL) 3290b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 3291c98d5d94SLen Brown cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 3292c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 3293c98d5d94SLen Brown 3294c98d5d94SLen Brown 3295c98d5d94SLen Brown /* 3296c98d5d94SLen Brown * For online cpus 3297c98d5d94SLen Brown * find max_core_id, max_package_id 3298c98d5d94SLen Brown */ 3299c98d5d94SLen Brown for (i = 0; i <= topo.max_cpu_num; ++i) { 3300c98d5d94SLen Brown int siblings; 3301c98d5d94SLen Brown 3302c98d5d94SLen Brown if (cpu_is_not_present(i)) { 3303d8af6f5fSLen Brown if (debug > 1) 3304b7d8c148SLen Brown fprintf(outf, "cpu%d NOT PRESENT\n", i); 3305c98d5d94SLen Brown continue; 3306c98d5d94SLen Brown } 3307c98d5d94SLen Brown cpus[i].core_id = get_core_id(i); 3308c98d5d94SLen Brown if (cpus[i].core_id > max_core_id) 3309c98d5d94SLen Brown max_core_id = cpus[i].core_id; 3310c98d5d94SLen Brown 3311c98d5d94SLen Brown cpus[i].physical_package_id = get_physical_package_id(i); 3312c98d5d94SLen Brown if (cpus[i].physical_package_id > max_package_id) 3313c98d5d94SLen Brown max_package_id = cpus[i].physical_package_id; 3314c98d5d94SLen Brown 3315c98d5d94SLen Brown siblings = get_num_ht_siblings(i); 3316c98d5d94SLen Brown if (siblings > max_siblings) 3317c98d5d94SLen Brown max_siblings = siblings; 3318d8af6f5fSLen Brown if (debug > 1) 3319b7d8c148SLen Brown fprintf(outf, "cpu %d pkg %d core %d\n", 3320c98d5d94SLen Brown i, cpus[i].physical_package_id, cpus[i].core_id); 3321c98d5d94SLen Brown } 3322c98d5d94SLen Brown topo.num_cores_per_pkg = max_core_id + 1; 3323d8af6f5fSLen Brown if (debug > 1) 3324b7d8c148SLen Brown fprintf(outf, "max_core_id %d, sizing for %d cores per package\n", 3325c98d5d94SLen Brown max_core_id, topo.num_cores_per_pkg); 33261cc21f7bSLen Brown if (debug && !summary_only && topo.num_cores_per_pkg > 1) 3327c98d5d94SLen Brown show_core = 1; 3328c98d5d94SLen Brown 3329c98d5d94SLen Brown topo.num_packages = max_package_id + 1; 3330d8af6f5fSLen Brown if (debug > 1) 3331b7d8c148SLen Brown fprintf(outf, "max_package_id %d, sizing for %d packages\n", 3332c98d5d94SLen Brown max_package_id, topo.num_packages); 33331cc21f7bSLen Brown if (debug && !summary_only && topo.num_packages > 1) 3334c98d5d94SLen Brown show_pkg = 1; 3335c98d5d94SLen Brown 3336c98d5d94SLen Brown topo.num_threads_per_core = max_siblings; 3337d8af6f5fSLen Brown if (debug > 1) 3338b7d8c148SLen Brown fprintf(outf, "max_siblings %d\n", max_siblings); 3339c98d5d94SLen Brown 3340c98d5d94SLen Brown free(cpus); 3341c98d5d94SLen Brown } 3342c98d5d94SLen Brown 3343c98d5d94SLen Brown void 3344c98d5d94SLen Brown allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p) 3345c98d5d94SLen Brown { 3346c98d5d94SLen Brown int i; 3347c98d5d94SLen Brown 3348c98d5d94SLen Brown *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg * 3349c98d5d94SLen Brown topo.num_packages, sizeof(struct thread_data)); 3350c98d5d94SLen Brown if (*t == NULL) 3351c98d5d94SLen Brown goto error; 3352c98d5d94SLen Brown 3353c98d5d94SLen Brown for (i = 0; i < topo.num_threads_per_core * 3354c98d5d94SLen Brown topo.num_cores_per_pkg * topo.num_packages; i++) 3355c98d5d94SLen Brown (*t)[i].cpu_id = -1; 3356c98d5d94SLen Brown 3357c98d5d94SLen Brown *c = calloc(topo.num_cores_per_pkg * topo.num_packages, 3358c98d5d94SLen Brown sizeof(struct core_data)); 3359c98d5d94SLen Brown if (*c == NULL) 3360c98d5d94SLen Brown goto error; 3361c98d5d94SLen Brown 3362c98d5d94SLen Brown for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++) 3363c98d5d94SLen Brown (*c)[i].core_id = -1; 3364c98d5d94SLen Brown 3365c98d5d94SLen Brown *p = calloc(topo.num_packages, sizeof(struct pkg_data)); 3366c98d5d94SLen Brown if (*p == NULL) 3367c98d5d94SLen Brown goto error; 3368c98d5d94SLen Brown 3369c98d5d94SLen Brown for (i = 0; i < topo.num_packages; i++) 3370c98d5d94SLen Brown (*p)[i].package_id = i; 3371c98d5d94SLen Brown 3372c98d5d94SLen Brown return; 3373c98d5d94SLen Brown error: 3374b2c95d90SJosh Triplett err(1, "calloc counters"); 3375c98d5d94SLen Brown } 3376c98d5d94SLen Brown /* 3377c98d5d94SLen Brown * init_counter() 3378c98d5d94SLen Brown * 3379c98d5d94SLen Brown * set cpu_id, core_num, pkg_num 3380c98d5d94SLen Brown * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE 3381c98d5d94SLen Brown * 3382c98d5d94SLen Brown * increment topo.num_cores when 1st core in pkg seen 3383c98d5d94SLen Brown */ 3384c98d5d94SLen Brown void init_counter(struct thread_data *thread_base, struct core_data *core_base, 3385c98d5d94SLen Brown struct pkg_data *pkg_base, int thread_num, int core_num, 3386c98d5d94SLen Brown int pkg_num, int cpu_id) 3387c98d5d94SLen Brown { 3388c98d5d94SLen Brown struct thread_data *t; 3389c98d5d94SLen Brown struct core_data *c; 3390c98d5d94SLen Brown struct pkg_data *p; 3391c98d5d94SLen Brown 3392c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_num, core_num, pkg_num); 3393c98d5d94SLen Brown c = GET_CORE(core_base, core_num, pkg_num); 3394c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_num); 3395c98d5d94SLen Brown 3396c98d5d94SLen Brown t->cpu_id = cpu_id; 3397c98d5d94SLen Brown if (thread_num == 0) { 3398c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_THREAD_IN_CORE; 3399c98d5d94SLen Brown if (cpu_is_first_core_in_package(cpu_id)) 3400c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE; 3401c98d5d94SLen Brown } 3402c98d5d94SLen Brown 3403c98d5d94SLen Brown c->core_id = core_num; 3404c98d5d94SLen Brown p->package_id = pkg_num; 3405c98d5d94SLen Brown } 3406c98d5d94SLen Brown 3407c98d5d94SLen Brown 3408c98d5d94SLen Brown int initialize_counters(int cpu_id) 3409c98d5d94SLen Brown { 3410c98d5d94SLen Brown int my_thread_id, my_core_id, my_package_id; 3411c98d5d94SLen Brown 3412c98d5d94SLen Brown my_package_id = get_physical_package_id(cpu_id); 3413c98d5d94SLen Brown my_core_id = get_core_id(cpu_id); 3414e275b388SDasaratharaman Chandramouli my_thread_id = get_cpu_position_in_core(cpu_id); 3415e275b388SDasaratharaman Chandramouli if (!my_thread_id) 3416c98d5d94SLen Brown topo.num_cores++; 3417c98d5d94SLen Brown 3418c98d5d94SLen Brown init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3419c98d5d94SLen Brown init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3420c98d5d94SLen Brown return 0; 3421c98d5d94SLen Brown } 3422c98d5d94SLen Brown 3423c98d5d94SLen Brown void allocate_output_buffer() 3424c98d5d94SLen Brown { 34253b4d5c7fSAndy Shevchenko output_buffer = calloc(1, (1 + topo.num_cpus) * 1024); 3426c98d5d94SLen Brown outp = output_buffer; 3427b2c95d90SJosh Triplett if (outp == NULL) 3428b2c95d90SJosh Triplett err(-1, "calloc output buffer"); 3429c98d5d94SLen Brown } 343036229897SLen Brown void allocate_fd_percpu(void) 343136229897SLen Brown { 343236229897SLen Brown fd_percpu = calloc(topo.max_cpu_num, sizeof(int)); 343336229897SLen Brown if (fd_percpu == NULL) 343436229897SLen Brown err(-1, "calloc fd_percpu"); 343536229897SLen Brown } 3436562a2d37SLen Brown void allocate_irq_buffers(void) 3437562a2d37SLen Brown { 3438562a2d37SLen Brown irq_column_2_cpu = calloc(topo.num_cpus, sizeof(int)); 3439562a2d37SLen Brown if (irq_column_2_cpu == NULL) 3440562a2d37SLen Brown err(-1, "calloc %d", topo.num_cpus); 3441562a2d37SLen Brown 3442562a2d37SLen Brown irqs_per_cpu = calloc(topo.max_cpu_num, sizeof(int)); 3443562a2d37SLen Brown if (irqs_per_cpu == NULL) 3444562a2d37SLen Brown err(-1, "calloc %d", topo.max_cpu_num); 3445562a2d37SLen Brown } 3446c98d5d94SLen Brown void setup_all_buffers(void) 3447c98d5d94SLen Brown { 3448c98d5d94SLen Brown topology_probe(); 3449562a2d37SLen Brown allocate_irq_buffers(); 345036229897SLen Brown allocate_fd_percpu(); 3451c98d5d94SLen Brown allocate_counters(&thread_even, &core_even, &package_even); 3452c98d5d94SLen Brown allocate_counters(&thread_odd, &core_odd, &package_odd); 3453c98d5d94SLen Brown allocate_output_buffer(); 3454c98d5d94SLen Brown for_all_proc_cpus(initialize_counters); 3455c98d5d94SLen Brown } 34563b4d5c7fSAndy Shevchenko 34577ce7d5deSPrarit Bhargava void set_base_cpu(void) 34587ce7d5deSPrarit Bhargava { 34597ce7d5deSPrarit Bhargava base_cpu = sched_getcpu(); 34607ce7d5deSPrarit Bhargava if (base_cpu < 0) 34617ce7d5deSPrarit Bhargava err(-ENODEV, "No valid cpus found"); 34627ce7d5deSPrarit Bhargava 34637ce7d5deSPrarit Bhargava if (debug > 1) 3464b7d8c148SLen Brown fprintf(outf, "base_cpu = %d\n", base_cpu); 34657ce7d5deSPrarit Bhargava } 34667ce7d5deSPrarit Bhargava 3467103a8feaSLen Brown void turbostat_init() 3468103a8feaSLen Brown { 34697ce7d5deSPrarit Bhargava setup_all_buffers(); 34707ce7d5deSPrarit Bhargava set_base_cpu(); 3471103a8feaSLen Brown check_dev_msr(); 347298481e79SLen Brown check_permissions(); 3473fcd17211SLen Brown process_cpuid(); 3474103a8feaSLen Brown 3475103a8feaSLen Brown 3476d8af6f5fSLen Brown if (debug) 34777f5c258eSLen Brown for_all_cpus(print_hwp, ODD_COUNTERS); 34787f5c258eSLen Brown 34797f5c258eSLen Brown if (debug) 3480889facbeSLen Brown for_all_cpus(print_epb, ODD_COUNTERS); 3481889facbeSLen Brown 3482d8af6f5fSLen Brown if (debug) 34833a9a941dSLen Brown for_all_cpus(print_perf_limit, ODD_COUNTERS); 34843a9a941dSLen Brown 3485d8af6f5fSLen Brown if (debug) 3486889facbeSLen Brown for_all_cpus(print_rapl, ODD_COUNTERS); 3487889facbeSLen Brown 3488889facbeSLen Brown for_all_cpus(set_temperature_target, ODD_COUNTERS); 3489889facbeSLen Brown 3490d8af6f5fSLen Brown if (debug) 3491889facbeSLen Brown for_all_cpus(print_thermal, ODD_COUNTERS); 3492103a8feaSLen Brown } 3493103a8feaSLen Brown 3494103a8feaSLen Brown int fork_it(char **argv) 3495103a8feaSLen Brown { 3496103a8feaSLen Brown pid_t child_pid; 3497d91bb17cSLen Brown int status; 3498d15cf7c1SLen Brown 3499d91bb17cSLen Brown status = for_all_cpus(get_counters, EVEN_COUNTERS); 3500d91bb17cSLen Brown if (status) 3501d91bb17cSLen Brown exit(status); 3502d15cf7c1SLen Brown /* clear affinity side-effect of get_counters() */ 3503d15cf7c1SLen Brown sched_setaffinity(0, cpu_present_setsize, cpu_present_set); 3504103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 3505103a8feaSLen Brown 3506103a8feaSLen Brown child_pid = fork(); 3507103a8feaSLen Brown if (!child_pid) { 3508103a8feaSLen Brown /* child */ 3509103a8feaSLen Brown execvp(argv[0], argv); 3510103a8feaSLen Brown } else { 3511103a8feaSLen Brown 3512103a8feaSLen Brown /* parent */ 3513b2c95d90SJosh Triplett if (child_pid == -1) 3514b2c95d90SJosh Triplett err(1, "fork"); 3515103a8feaSLen Brown 3516103a8feaSLen Brown signal(SIGINT, SIG_IGN); 3517103a8feaSLen Brown signal(SIGQUIT, SIG_IGN); 3518b2c95d90SJosh Triplett if (waitpid(child_pid, &status, 0) == -1) 3519b2c95d90SJosh Triplett err(status, "waitpid"); 3520103a8feaSLen Brown } 3521c98d5d94SLen Brown /* 3522c98d5d94SLen Brown * n.b. fork_it() does not check for errors from for_all_cpus() 3523c98d5d94SLen Brown * because re-starting is problematic when forking 3524c98d5d94SLen Brown */ 3525c98d5d94SLen Brown for_all_cpus(get_counters, ODD_COUNTERS); 3526103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 3527103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 3528c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 3529c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 3530c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 3531103a8feaSLen Brown 3532b7d8c148SLen Brown fprintf(outf, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); 3533b7d8c148SLen Brown 3534b7d8c148SLen Brown flush_output_stderr(); 3535103a8feaSLen Brown 3536d91bb17cSLen Brown return status; 3537103a8feaSLen Brown } 3538103a8feaSLen Brown 35393b4d5c7fSAndy Shevchenko int get_and_dump_counters(void) 35403b4d5c7fSAndy Shevchenko { 35413b4d5c7fSAndy Shevchenko int status; 35423b4d5c7fSAndy Shevchenko 35433b4d5c7fSAndy Shevchenko status = for_all_cpus(get_counters, ODD_COUNTERS); 35443b4d5c7fSAndy Shevchenko if (status) 35453b4d5c7fSAndy Shevchenko return status; 35463b4d5c7fSAndy Shevchenko 35473b4d5c7fSAndy Shevchenko status = for_all_cpus(dump_counters, ODD_COUNTERS); 35483b4d5c7fSAndy Shevchenko if (status) 35493b4d5c7fSAndy Shevchenko return status; 35503b4d5c7fSAndy Shevchenko 3551b7d8c148SLen Brown flush_output_stdout(); 35523b4d5c7fSAndy Shevchenko 35533b4d5c7fSAndy Shevchenko return status; 35543b4d5c7fSAndy Shevchenko } 35553b4d5c7fSAndy Shevchenko 3556d8af6f5fSLen Brown void print_version() { 3557b7d8c148SLen Brown fprintf(outf, "turbostat version 4.10 10 Dec, 2015" 3558d8af6f5fSLen Brown " - Len Brown <lenb@kernel.org>\n"); 3559d8af6f5fSLen Brown } 3560d8af6f5fSLen Brown 3561103a8feaSLen Brown void cmdline(int argc, char **argv) 3562103a8feaSLen Brown { 3563103a8feaSLen Brown int opt; 3564d8af6f5fSLen Brown int option_index = 0; 3565d8af6f5fSLen Brown static struct option long_options[] = { 3566d8af6f5fSLen Brown {"Counter", required_argument, 0, 'C'}, 3567d8af6f5fSLen Brown {"counter", required_argument, 0, 'c'}, 3568d8af6f5fSLen Brown {"Dump", no_argument, 0, 'D'}, 3569d8af6f5fSLen Brown {"debug", no_argument, 0, 'd'}, 3570d8af6f5fSLen Brown {"interval", required_argument, 0, 'i'}, 3571d8af6f5fSLen Brown {"help", no_argument, 0, 'h'}, 3572d8af6f5fSLen Brown {"Joules", no_argument, 0, 'J'}, 3573d8af6f5fSLen Brown {"MSR", required_argument, 0, 'M'}, 3574d8af6f5fSLen Brown {"msr", required_argument, 0, 'm'}, 3575b7d8c148SLen Brown {"out", required_argument, 0, 'o'}, 3576d8af6f5fSLen Brown {"Package", no_argument, 0, 'p'}, 3577d8af6f5fSLen Brown {"processor", no_argument, 0, 'p'}, 3578d8af6f5fSLen Brown {"Summary", no_argument, 0, 'S'}, 3579d8af6f5fSLen Brown {"TCC", required_argument, 0, 'T'}, 3580d8af6f5fSLen Brown {"version", no_argument, 0, 'v' }, 3581d8af6f5fSLen Brown {0, 0, 0, 0 } 3582d8af6f5fSLen Brown }; 3583103a8feaSLen Brown 3584103a8feaSLen Brown progname = argv[0]; 3585103a8feaSLen Brown 3586b7d8c148SLen Brown while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:o:PpST:v", 3587d8af6f5fSLen Brown long_options, &option_index)) != -1) { 3588103a8feaSLen Brown switch (opt) { 3589d8af6f5fSLen Brown case 'C': 3590d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_delta_offset64); 3591103a8feaSLen Brown break; 3592f9240813SLen Brown case 'c': 35938e180f3cSLen Brown sscanf(optarg, "%x", &extra_delta_offset32); 35948e180f3cSLen Brown break; 3595d8af6f5fSLen Brown case 'D': 3596d8af6f5fSLen Brown dump_only++; 35978e180f3cSLen Brown break; 3598d8af6f5fSLen Brown case 'd': 3599d8af6f5fSLen Brown debug++; 36002f32edf1SLen Brown break; 3601d8af6f5fSLen Brown case 'h': 3602d8af6f5fSLen Brown default: 3603d8af6f5fSLen Brown help(); 3604d8af6f5fSLen Brown exit(1); 3605d8af6f5fSLen Brown case 'i': 36062a0609c0SLen Brown { 36072a0609c0SLen Brown double interval = strtod(optarg, NULL); 36082a0609c0SLen Brown 36092a0609c0SLen Brown if (interval < 0.001) { 3610b7d8c148SLen Brown fprintf(outf, "interval %f seconds is too small\n", 36112a0609c0SLen Brown interval); 36122a0609c0SLen Brown exit(2); 36132a0609c0SLen Brown } 36142a0609c0SLen Brown 36152a0609c0SLen Brown interval_ts.tv_sec = interval; 36162a0609c0SLen Brown interval_ts.tv_nsec = (interval - interval_ts.tv_sec) * 1000000000; 36172a0609c0SLen Brown } 3618889facbeSLen Brown break; 36195c56be9aSDirk Brandewie case 'J': 36205c56be9aSDirk Brandewie rapl_joules++; 36215c56be9aSDirk Brandewie break; 3622d8af6f5fSLen Brown case 'M': 3623d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset64); 3624d8af6f5fSLen Brown break; 3625d8af6f5fSLen Brown case 'm': 3626d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset32); 3627d8af6f5fSLen Brown break; 3628b7d8c148SLen Brown case 'o': 3629b7d8c148SLen Brown outf = fopen_or_die(optarg, "w"); 3630b7d8c148SLen Brown break; 3631d8af6f5fSLen Brown case 'P': 3632d8af6f5fSLen Brown show_pkg_only++; 3633d8af6f5fSLen Brown break; 3634d8af6f5fSLen Brown case 'p': 3635d8af6f5fSLen Brown show_core_only++; 3636d8af6f5fSLen Brown break; 3637d8af6f5fSLen Brown case 'S': 3638d8af6f5fSLen Brown summary_only++; 3639d8af6f5fSLen Brown break; 3640d8af6f5fSLen Brown case 'T': 3641d8af6f5fSLen Brown tcc_activation_temp_override = atoi(optarg); 3642d8af6f5fSLen Brown break; 3643d8af6f5fSLen Brown case 'v': 3644d8af6f5fSLen Brown print_version(); 3645d8af6f5fSLen Brown exit(0); 3646d8af6f5fSLen Brown break; 3647103a8feaSLen Brown } 3648103a8feaSLen Brown } 3649103a8feaSLen Brown } 3650103a8feaSLen Brown 3651103a8feaSLen Brown int main(int argc, char **argv) 3652103a8feaSLen Brown { 3653b7d8c148SLen Brown outf = stderr; 3654b7d8c148SLen Brown 3655103a8feaSLen Brown cmdline(argc, argv); 3656103a8feaSLen Brown 3657d8af6f5fSLen Brown if (debug) 3658d8af6f5fSLen Brown print_version(); 3659103a8feaSLen Brown 3660103a8feaSLen Brown turbostat_init(); 3661103a8feaSLen Brown 36623b4d5c7fSAndy Shevchenko /* dump counters and exit */ 36633b4d5c7fSAndy Shevchenko if (dump_only) 36643b4d5c7fSAndy Shevchenko return get_and_dump_counters(); 36653b4d5c7fSAndy Shevchenko 3666103a8feaSLen Brown /* 3667103a8feaSLen Brown * if any params left, it must be a command to fork 3668103a8feaSLen Brown */ 3669103a8feaSLen Brown if (argc - optind) 3670103a8feaSLen Brown return fork_it(argv + optind); 3671103a8feaSLen Brown else 3672103a8feaSLen Brown turbostat_loop(); 3673103a8feaSLen Brown 3674103a8feaSLen Brown return 0; 3675103a8feaSLen Brown } 3676