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; 695a63426eSLen Brown unsigned int do_irtl_snb; 705a63426eSLen Brown unsigned int do_irtl_hsw; 71fc04cc67SLen Brown unsigned int units = 1000000; /* MHz etc */ 72103a8feaSLen Brown unsigned int genuine_intel; 73103a8feaSLen Brown unsigned int has_invariant_tsc; 74d7899447SLen Brown unsigned int do_nhm_platform_info; 752f32edf1SLen Brown unsigned int extra_msr_offset32; 762f32edf1SLen Brown unsigned int extra_msr_offset64; 778e180f3cSLen Brown unsigned int extra_delta_offset32; 788e180f3cSLen Brown unsigned int extra_delta_offset64; 79b2b34dfeSHubert Chrzaniuk unsigned int aperf_mperf_multiplier = 1; 80562a2d37SLen Brown int do_irq = 1; 811ed51011SLen Brown int do_smi; 82103a8feaSLen Brown double bclk; 83a2b7b749SLen Brown double base_hz; 8421ed5574SLen Brown unsigned int has_base_hz; 85a2b7b749SLen Brown double tsc_tweak = 1.0; 86103a8feaSLen Brown unsigned int show_pkg; 87103a8feaSLen Brown unsigned int show_core; 88103a8feaSLen Brown unsigned int show_cpu; 89c98d5d94SLen Brown unsigned int show_pkg_only; 90c98d5d94SLen Brown unsigned int show_core_only; 91c98d5d94SLen Brown char *output_buffer, *outp; 92889facbeSLen Brown unsigned int do_rapl; 93889facbeSLen Brown unsigned int do_dts; 94889facbeSLen Brown unsigned int do_ptm; 95fdf676e5SLen Brown unsigned int do_gfx_rc6_ms; 96fdf676e5SLen Brown unsigned long long gfx_cur_rc6_ms; 9727d47356SLen Brown unsigned int do_gfx_mhz; 9827d47356SLen Brown unsigned int gfx_cur_mhz; 99889facbeSLen Brown unsigned int tcc_activation_temp; 100889facbeSLen Brown unsigned int tcc_activation_temp_override; 10140ee8e3bSAndrey Semin double rapl_power_units, rapl_time_units; 10240ee8e3bSAndrey Semin double rapl_dram_energy_units, rapl_energy_units; 103889facbeSLen Brown double rapl_joule_counter_range; 1043a9a941dSLen Brown unsigned int do_core_perf_limit_reasons; 1053a9a941dSLen Brown unsigned int do_gfx_perf_limit_reasons; 1063a9a941dSLen Brown unsigned int do_ring_perf_limit_reasons; 1078a5bdf41SLen Brown unsigned int crystal_hz; 1088a5bdf41SLen Brown unsigned long long tsc_hz; 1097ce7d5deSPrarit Bhargava int base_cpu; 11021ed5574SLen Brown double discover_bclk(unsigned int family, unsigned int model); 1117f5c258eSLen Brown unsigned int has_hwp; /* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */ 1127f5c258eSLen Brown /* IA32_HWP_REQUEST, IA32_HWP_STATUS */ 1137f5c258eSLen Brown unsigned int has_hwp_notify; /* IA32_HWP_INTERRUPT */ 1147f5c258eSLen Brown unsigned int has_hwp_activity_window; /* IA32_HWP_REQUEST[bits 41:32] */ 1157f5c258eSLen Brown unsigned int has_hwp_epp; /* IA32_HWP_REQUEST[bits 31:24] */ 1167f5c258eSLen Brown unsigned int has_hwp_pkg; /* IA32_HWP_REQUEST_PKG */ 117889facbeSLen Brown 118889facbeSLen Brown #define RAPL_PKG (1 << 0) 119e6f9bb3cSLen Brown /* 0x610 MSR_PKG_POWER_LIMIT */ 120e6f9bb3cSLen Brown /* 0x611 MSR_PKG_ENERGY_STATUS */ 121e6f9bb3cSLen Brown #define RAPL_PKG_PERF_STATUS (1 << 1) 122e6f9bb3cSLen Brown /* 0x613 MSR_PKG_PERF_STATUS */ 123e6f9bb3cSLen Brown #define RAPL_PKG_POWER_INFO (1 << 2) 124e6f9bb3cSLen Brown /* 0x614 MSR_PKG_POWER_INFO */ 125e6f9bb3cSLen Brown 126889facbeSLen Brown #define RAPL_DRAM (1 << 3) 127e6f9bb3cSLen Brown /* 0x618 MSR_DRAM_POWER_LIMIT */ 128e6f9bb3cSLen Brown /* 0x619 MSR_DRAM_ENERGY_STATUS */ 129e6f9bb3cSLen Brown #define RAPL_DRAM_PERF_STATUS (1 << 4) 130e6f9bb3cSLen Brown /* 0x61b MSR_DRAM_PERF_STATUS */ 1310b2bb692SLen Brown #define RAPL_DRAM_POWER_INFO (1 << 5) 1320b2bb692SLen Brown /* 0x61c MSR_DRAM_POWER_INFO */ 133e6f9bb3cSLen Brown 1340b2bb692SLen Brown #define RAPL_CORES (1 << 6) 135e6f9bb3cSLen Brown /* 0x638 MSR_PP0_POWER_LIMIT */ 136e6f9bb3cSLen Brown /* 0x639 MSR_PP0_ENERGY_STATUS */ 1370b2bb692SLen Brown #define RAPL_CORE_POLICY (1 << 7) 138e6f9bb3cSLen Brown /* 0x63a MSR_PP0_POLICY */ 139e6f9bb3cSLen Brown 1400b2bb692SLen Brown #define RAPL_GFX (1 << 8) 141e6f9bb3cSLen Brown /* 0x640 MSR_PP1_POWER_LIMIT */ 142e6f9bb3cSLen Brown /* 0x641 MSR_PP1_ENERGY_STATUS */ 143e6f9bb3cSLen Brown /* 0x642 MSR_PP1_POLICY */ 144889facbeSLen Brown #define TJMAX_DEFAULT 100 145889facbeSLen Brown 146889facbeSLen Brown #define MAX(a, b) ((a) > (b) ? (a) : (b)) 147103a8feaSLen Brown 148103a8feaSLen Brown int aperf_mperf_unstable; 149103a8feaSLen Brown int backwards_count; 150103a8feaSLen Brown char *progname; 151103a8feaSLen Brown 152c98d5d94SLen Brown cpu_set_t *cpu_present_set, *cpu_affinity_set; 153c98d5d94SLen Brown size_t cpu_present_setsize, cpu_affinity_setsize; 154c98d5d94SLen Brown 155c98d5d94SLen Brown struct thread_data { 156c98d5d94SLen Brown unsigned long long tsc; 157c98d5d94SLen Brown unsigned long long aperf; 158c98d5d94SLen Brown unsigned long long mperf; 159144b44b1SLen Brown unsigned long long c1; 1602f32edf1SLen Brown unsigned long long extra_msr64; 1618e180f3cSLen Brown unsigned long long extra_delta64; 1628e180f3cSLen Brown unsigned long long extra_msr32; 1638e180f3cSLen Brown unsigned long long extra_delta32; 164562a2d37SLen Brown unsigned int irq_count; 1651ed51011SLen Brown unsigned int smi_count; 166c98d5d94SLen Brown unsigned int cpu_id; 167c98d5d94SLen Brown unsigned int flags; 168c98d5d94SLen Brown #define CPU_IS_FIRST_THREAD_IN_CORE 0x2 169c98d5d94SLen Brown #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4 170c98d5d94SLen Brown } *thread_even, *thread_odd; 171c98d5d94SLen Brown 172c98d5d94SLen Brown struct core_data { 173c98d5d94SLen Brown unsigned long long c3; 174c98d5d94SLen Brown unsigned long long c6; 175c98d5d94SLen Brown unsigned long long c7; 176889facbeSLen Brown unsigned int core_temp_c; 177c98d5d94SLen Brown unsigned int core_id; 178c98d5d94SLen Brown } *core_even, *core_odd; 179c98d5d94SLen Brown 180c98d5d94SLen Brown struct pkg_data { 181c98d5d94SLen Brown unsigned long long pc2; 182c98d5d94SLen Brown unsigned long long pc3; 183c98d5d94SLen Brown unsigned long long pc6; 184c98d5d94SLen Brown unsigned long long pc7; 185ca58710fSKristen Carlson Accardi unsigned long long pc8; 186ca58710fSKristen Carlson Accardi unsigned long long pc9; 187ca58710fSKristen Carlson Accardi unsigned long long pc10; 1880b2bb692SLen Brown unsigned long long pkg_wtd_core_c0; 1890b2bb692SLen Brown unsigned long long pkg_any_core_c0; 1900b2bb692SLen Brown unsigned long long pkg_any_gfxe_c0; 1910b2bb692SLen Brown unsigned long long pkg_both_core_gfxe_c0; 192fdf676e5SLen Brown unsigned long long gfx_rc6_ms; 19327d47356SLen Brown unsigned int gfx_mhz; 194c98d5d94SLen Brown unsigned int package_id; 195889facbeSLen Brown unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */ 196889facbeSLen Brown unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */ 197889facbeSLen Brown unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */ 198889facbeSLen Brown unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */ 199889facbeSLen Brown unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */ 200889facbeSLen Brown unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */ 201889facbeSLen Brown unsigned int pkg_temp_c; 202889facbeSLen Brown 203c98d5d94SLen Brown } *package_even, *package_odd; 204c98d5d94SLen Brown 205c98d5d94SLen Brown #define ODD_COUNTERS thread_odd, core_odd, package_odd 206c98d5d94SLen Brown #define EVEN_COUNTERS thread_even, core_even, package_even 207c98d5d94SLen Brown 208c98d5d94SLen Brown #define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \ 209c98d5d94SLen Brown (thread_base + (pkg_no) * topo.num_cores_per_pkg * \ 210c98d5d94SLen Brown topo.num_threads_per_core + \ 211c98d5d94SLen Brown (core_no) * topo.num_threads_per_core + (thread_no)) 212c98d5d94SLen Brown #define GET_CORE(core_base, core_no, pkg_no) \ 213c98d5d94SLen Brown (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no)) 214c98d5d94SLen Brown #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no) 215c98d5d94SLen Brown 216c98d5d94SLen Brown struct system_summary { 217c98d5d94SLen Brown struct thread_data threads; 218c98d5d94SLen Brown struct core_data cores; 219c98d5d94SLen Brown struct pkg_data packages; 220c98d5d94SLen Brown } sum, average; 221c98d5d94SLen Brown 222c98d5d94SLen Brown 223c98d5d94SLen Brown struct topo_params { 224c98d5d94SLen Brown int num_packages; 225103a8feaSLen Brown int num_cpus; 226c98d5d94SLen Brown int num_cores; 227c98d5d94SLen Brown int max_cpu_num; 228c98d5d94SLen Brown int num_cores_per_pkg; 229c98d5d94SLen Brown int num_threads_per_core; 230c98d5d94SLen Brown } topo; 231103a8feaSLen Brown 232c98d5d94SLen Brown struct timeval tv_even, tv_odd, tv_delta; 233103a8feaSLen Brown 234562a2d37SLen Brown int *irq_column_2_cpu; /* /proc/interrupts column numbers */ 235562a2d37SLen Brown int *irqs_per_cpu; /* indexed by cpu_num */ 236562a2d37SLen Brown 237c98d5d94SLen Brown void setup_all_buffers(void); 238103a8feaSLen Brown 239c98d5d94SLen Brown int cpu_is_not_present(int cpu) 240d15cf7c1SLen Brown { 241c98d5d94SLen Brown return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set); 242c98d5d94SLen Brown } 243c98d5d94SLen Brown /* 244c98d5d94SLen Brown * run func(thread, core, package) in topology order 245c98d5d94SLen Brown * skip non-present cpus 246c98d5d94SLen Brown */ 247c98d5d94SLen Brown 248c98d5d94SLen Brown int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *), 249c98d5d94SLen Brown struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base) 250c98d5d94SLen Brown { 251c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 252c98d5d94SLen Brown 253c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 254c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 255c98d5d94SLen Brown for (thread_no = 0; thread_no < 256c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 257c98d5d94SLen Brown struct thread_data *t; 258c98d5d94SLen Brown struct core_data *c; 259c98d5d94SLen Brown struct pkg_data *p; 260c98d5d94SLen Brown 261c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 262c98d5d94SLen Brown 263c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 264c98d5d94SLen Brown continue; 265c98d5d94SLen Brown 266c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 267c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 268c98d5d94SLen Brown 269c98d5d94SLen Brown retval = func(t, c, p); 270c98d5d94SLen Brown if (retval) 271c98d5d94SLen Brown return retval; 272c98d5d94SLen Brown } 273c98d5d94SLen Brown } 274c98d5d94SLen Brown } 275d15cf7c1SLen Brown return 0; 276d15cf7c1SLen Brown } 277d15cf7c1SLen Brown 27888c3281fSLen Brown int cpu_migrate(int cpu) 27988c3281fSLen Brown { 280c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 281c98d5d94SLen Brown CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set); 282c98d5d94SLen Brown if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1) 28388c3281fSLen Brown return -1; 28488c3281fSLen Brown else 28588c3281fSLen Brown return 0; 28688c3281fSLen Brown } 28736229897SLen Brown int get_msr_fd(int cpu) 288103a8feaSLen Brown { 289103a8feaSLen Brown char pathname[32]; 290103a8feaSLen Brown int fd; 291103a8feaSLen Brown 29236229897SLen Brown fd = fd_percpu[cpu]; 29336229897SLen Brown 29436229897SLen Brown if (fd) 29536229897SLen Brown return fd; 29636229897SLen Brown 297103a8feaSLen Brown sprintf(pathname, "/dev/cpu/%d/msr", cpu); 298103a8feaSLen Brown fd = open(pathname, O_RDONLY); 29915aaa346SLen Brown if (fd < 0) 30098481e79SLen Brown err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname); 301103a8feaSLen Brown 30236229897SLen Brown fd_percpu[cpu] = fd; 30336229897SLen Brown 30436229897SLen Brown return fd; 30536229897SLen Brown } 30636229897SLen Brown 30736229897SLen Brown int get_msr(int cpu, off_t offset, unsigned long long *msr) 30836229897SLen Brown { 30936229897SLen Brown ssize_t retval; 31036229897SLen Brown 31136229897SLen Brown retval = pread(get_msr_fd(cpu), msr, sizeof(*msr), offset); 31215aaa346SLen Brown 31398481e79SLen Brown if (retval != sizeof *msr) 31436229897SLen Brown err(-1, "msr %d offset 0x%llx read failed", cpu, (unsigned long long)offset); 31515aaa346SLen Brown 31615aaa346SLen Brown return 0; 317103a8feaSLen Brown } 318103a8feaSLen Brown 319fc04cc67SLen Brown /* 320fc04cc67SLen Brown * Example Format w/ field column widths: 321fc04cc67SLen Brown * 32227d47356SLen 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 323562a2d37SLen Brown * 12345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678 324fc04cc67SLen Brown */ 325fc04cc67SLen Brown 326a829eb4dSLen Brown void print_header(void) 327103a8feaSLen Brown { 328103a8feaSLen Brown if (show_pkg) 329fc04cc67SLen Brown outp += sprintf(outp, " Package"); 330103a8feaSLen Brown if (show_core) 331fc04cc67SLen Brown outp += sprintf(outp, " Core"); 332103a8feaSLen Brown if (show_cpu) 333c98d5d94SLen Brown outp += sprintf(outp, " CPU"); 334103a8feaSLen Brown if (has_aperf) 335fc04cc67SLen Brown outp += sprintf(outp, " Avg_MHz"); 336d7899447SLen Brown if (has_aperf) 33775d2e44eSLen Brown outp += sprintf(outp, " Busy%%"); 338fc04cc67SLen Brown if (has_aperf) 339fc04cc67SLen Brown outp += sprintf(outp, " Bzy_MHz"); 340fc04cc67SLen Brown outp += sprintf(outp, " TSC_MHz"); 3411cc21f7bSLen Brown 3428e180f3cSLen Brown if (extra_delta_offset32) 343f9240813SLen Brown outp += sprintf(outp, " count 0x%03X", extra_delta_offset32); 3448e180f3cSLen Brown if (extra_delta_offset64) 345f9240813SLen Brown outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64); 3462f32edf1SLen Brown if (extra_msr_offset32) 3478e180f3cSLen Brown outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32); 3482f32edf1SLen Brown if (extra_msr_offset64) 3498e180f3cSLen Brown outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64); 3501cc21f7bSLen Brown 3511cc21f7bSLen Brown if (!debug) 3521cc21f7bSLen Brown goto done; 3531cc21f7bSLen Brown 354562a2d37SLen Brown if (do_irq) 355562a2d37SLen Brown outp += sprintf(outp, " IRQ"); 3561cc21f7bSLen Brown if (do_smi) 3571cc21f7bSLen Brown outp += sprintf(outp, " SMI"); 3581cc21f7bSLen Brown 359103a8feaSLen Brown if (do_nhm_cstates) 360fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c1"); 361fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) 362fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c3"); 363103a8feaSLen Brown if (do_nhm_cstates) 364fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c6"); 365103a8feaSLen Brown if (do_snb_cstates) 366fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c7"); 367889facbeSLen Brown 368889facbeSLen Brown if (do_dts) 369fc04cc67SLen Brown outp += sprintf(outp, " CoreTmp"); 370889facbeSLen Brown if (do_ptm) 371fc04cc67SLen Brown outp += sprintf(outp, " PkgTmp"); 372889facbeSLen Brown 373fdf676e5SLen Brown if (do_gfx_rc6_ms) 374fdf676e5SLen Brown outp += sprintf(outp, " GFX%%rc6"); 375fdf676e5SLen Brown 37627d47356SLen Brown if (do_gfx_mhz) 37727d47356SLen Brown outp += sprintf(outp, " GFXMHz"); 37827d47356SLen Brown 3790b2bb692SLen Brown if (do_skl_residency) { 3800b2bb692SLen Brown outp += sprintf(outp, " Totl%%C0"); 3810b2bb692SLen Brown outp += sprintf(outp, " Any%%C0"); 3820b2bb692SLen Brown outp += sprintf(outp, " GFX%%C0"); 3830b2bb692SLen Brown outp += sprintf(outp, " CPUGFX%%"); 3840b2bb692SLen Brown } 3850b2bb692SLen Brown 386ee7e38e3SLen Brown if (do_pc2) 387fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc2"); 388ee7e38e3SLen Brown if (do_pc3) 389fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc3"); 390ee7e38e3SLen Brown if (do_pc6) 391fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc6"); 392ee7e38e3SLen Brown if (do_pc7) 393fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc7"); 394ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 395fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc8"); 396fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc9"); 397fc04cc67SLen Brown outp += sprintf(outp, " Pk%%pc10"); 398ca58710fSKristen Carlson Accardi } 399103a8feaSLen Brown 4005c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 401889facbeSLen Brown if (do_rapl & RAPL_PKG) 402fc04cc67SLen Brown outp += sprintf(outp, " PkgWatt"); 403889facbeSLen Brown if (do_rapl & RAPL_CORES) 404fc04cc67SLen Brown outp += sprintf(outp, " CorWatt"); 405889facbeSLen Brown if (do_rapl & RAPL_GFX) 406fc04cc67SLen Brown outp += sprintf(outp, " GFXWatt"); 407889facbeSLen Brown if (do_rapl & RAPL_DRAM) 408fc04cc67SLen Brown outp += sprintf(outp, " RAMWatt"); 409889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 410889facbeSLen Brown outp += sprintf(outp, " PKG_%%"); 411889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 412889facbeSLen Brown outp += sprintf(outp, " RAM_%%"); 413d7899447SLen Brown } else if (do_rapl && rapl_joules) { 4145c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 4155c56be9aSDirk Brandewie outp += sprintf(outp, " Pkg_J"); 4165c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 4175c56be9aSDirk Brandewie outp += sprintf(outp, " Cor_J"); 4185c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 4195c56be9aSDirk Brandewie outp += sprintf(outp, " GFX_J"); 4205c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 421bd6906edSLen Brown outp += sprintf(outp, " RAM_J"); 4225c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 4235c56be9aSDirk Brandewie outp += sprintf(outp, " PKG_%%"); 4245c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 4255c56be9aSDirk Brandewie outp += sprintf(outp, " RAM_%%"); 4265c56be9aSDirk Brandewie outp += sprintf(outp, " time"); 427889facbeSLen Brown 4285c56be9aSDirk Brandewie } 4291cc21f7bSLen Brown done: 430c98d5d94SLen Brown outp += sprintf(outp, "\n"); 431103a8feaSLen Brown } 432103a8feaSLen Brown 433c98d5d94SLen Brown int dump_counters(struct thread_data *t, struct core_data *c, 434c98d5d94SLen Brown struct pkg_data *p) 435103a8feaSLen Brown { 4363b4d5c7fSAndy Shevchenko outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p); 437c98d5d94SLen Brown 438c98d5d94SLen Brown if (t) { 4393b4d5c7fSAndy Shevchenko outp += sprintf(outp, "CPU: %d flags 0x%x\n", 4403b4d5c7fSAndy Shevchenko t->cpu_id, t->flags); 4413b4d5c7fSAndy Shevchenko outp += sprintf(outp, "TSC: %016llX\n", t->tsc); 4423b4d5c7fSAndy Shevchenko outp += sprintf(outp, "aperf: %016llX\n", t->aperf); 4433b4d5c7fSAndy Shevchenko outp += sprintf(outp, "mperf: %016llX\n", t->mperf); 4443b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c1: %016llX\n", t->c1); 4453b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 4468e180f3cSLen Brown extra_delta_offset32, t->extra_delta32); 4473b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 4488e180f3cSLen Brown extra_delta_offset64, t->extra_delta64); 4493b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 4502f32edf1SLen Brown extra_msr_offset32, t->extra_msr32); 4513b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 4522f32edf1SLen Brown extra_msr_offset64, t->extra_msr64); 453562a2d37SLen Brown if (do_irq) 454562a2d37SLen Brown outp += sprintf(outp, "IRQ: %08X\n", t->irq_count); 4551ed51011SLen Brown if (do_smi) 4563b4d5c7fSAndy Shevchenko outp += sprintf(outp, "SMI: %08X\n", t->smi_count); 457103a8feaSLen Brown } 458103a8feaSLen Brown 459c98d5d94SLen Brown if (c) { 4603b4d5c7fSAndy Shevchenko outp += sprintf(outp, "core: %d\n", c->core_id); 4613b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c3: %016llX\n", c->c3); 4623b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c6: %016llX\n", c->c6); 4633b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c7: %016llX\n", c->c7); 4643b4d5c7fSAndy Shevchenko outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c); 465c98d5d94SLen Brown } 466103a8feaSLen Brown 467c98d5d94SLen Brown if (p) { 4683b4d5c7fSAndy Shevchenko outp += sprintf(outp, "package: %d\n", p->package_id); 4690b2bb692SLen Brown 4700b2bb692SLen Brown outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0); 4710b2bb692SLen Brown outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0); 4720b2bb692SLen Brown outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0); 4730b2bb692SLen Brown outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0); 4740b2bb692SLen Brown 4753b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc2: %016llX\n", p->pc2); 476ee7e38e3SLen Brown if (do_pc3) 4773b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc3: %016llX\n", p->pc3); 478ee7e38e3SLen Brown if (do_pc6) 4793b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc6: %016llX\n", p->pc6); 480ee7e38e3SLen Brown if (do_pc7) 4813b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc7: %016llX\n", p->pc7); 4823b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc8: %016llX\n", p->pc8); 4833b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc9: %016llX\n", p->pc9); 4843b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc10: %016llX\n", p->pc10); 4853b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg); 4863b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores); 4873b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx); 4883b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram); 4893b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle PKG: %0X\n", 4903b4d5c7fSAndy Shevchenko p->rapl_pkg_perf_status); 4913b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle RAM: %0X\n", 4923b4d5c7fSAndy Shevchenko p->rapl_dram_perf_status); 4933b4d5c7fSAndy Shevchenko outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c); 494c98d5d94SLen Brown } 4953b4d5c7fSAndy Shevchenko 4963b4d5c7fSAndy Shevchenko outp += sprintf(outp, "\n"); 4973b4d5c7fSAndy Shevchenko 498c98d5d94SLen Brown return 0; 499103a8feaSLen Brown } 500103a8feaSLen Brown 501e23da037SLen Brown /* 502e23da037SLen Brown * column formatting convention & formats 503e23da037SLen Brown */ 504c98d5d94SLen Brown int format_counters(struct thread_data *t, struct core_data *c, 505c98d5d94SLen Brown struct pkg_data *p) 506103a8feaSLen Brown { 507103a8feaSLen Brown double interval_float; 508fc04cc67SLen Brown char *fmt8; 509103a8feaSLen Brown 510c98d5d94SLen Brown /* if showing only 1st thread in core and this isn't one, bail out */ 511c98d5d94SLen Brown if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 512c98d5d94SLen Brown return 0; 513c98d5d94SLen Brown 514c98d5d94SLen Brown /* if showing only 1st thread in pkg and this isn't one, bail out */ 515c98d5d94SLen Brown if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 516c98d5d94SLen Brown return 0; 517c98d5d94SLen Brown 518103a8feaSLen Brown interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0; 519103a8feaSLen Brown 520c98d5d94SLen Brown /* topo columns, print blanks on 1st (average) line */ 521c98d5d94SLen Brown if (t == &average.threads) { 522103a8feaSLen Brown if (show_pkg) 523fc04cc67SLen Brown outp += sprintf(outp, " -"); 524103a8feaSLen Brown if (show_core) 525fc04cc67SLen Brown outp += sprintf(outp, " -"); 526103a8feaSLen Brown if (show_cpu) 527fc04cc67SLen Brown outp += sprintf(outp, " -"); 528103a8feaSLen Brown } else { 529c98d5d94SLen Brown if (show_pkg) { 530c98d5d94SLen Brown if (p) 531fc04cc67SLen Brown outp += sprintf(outp, "%8d", p->package_id); 532c98d5d94SLen Brown else 533fc04cc67SLen Brown outp += sprintf(outp, " -"); 534c98d5d94SLen Brown } 535c98d5d94SLen Brown if (show_core) { 536c98d5d94SLen Brown if (c) 537fc04cc67SLen Brown outp += sprintf(outp, "%8d", c->core_id); 538c98d5d94SLen Brown else 539fc04cc67SLen Brown outp += sprintf(outp, " -"); 540c98d5d94SLen Brown } 541103a8feaSLen Brown if (show_cpu) 542fc04cc67SLen Brown outp += sprintf(outp, "%8d", t->cpu_id); 543103a8feaSLen Brown } 544fc04cc67SLen Brown 545d7899447SLen Brown /* Avg_MHz */ 546fc04cc67SLen Brown if (has_aperf) 547fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 548fc04cc67SLen Brown 1.0 / units * t->aperf / interval_float); 549fc04cc67SLen Brown 55075d2e44eSLen Brown /* Busy% */ 551d7899447SLen Brown if (has_aperf) { 552103a8feaSLen Brown if (!skip_c0) 553a2b7b749SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc/tsc_tweak); 554103a8feaSLen Brown else 555fc04cc67SLen Brown outp += sprintf(outp, "********"); 556103a8feaSLen Brown } 557103a8feaSLen Brown 558d7899447SLen Brown /* Bzy_MHz */ 55921ed5574SLen Brown if (has_aperf) { 56021ed5574SLen Brown if (has_base_hz) 56121ed5574SLen Brown outp += sprintf(outp, "%8.0f", base_hz / units * t->aperf / t->mperf); 56221ed5574SLen Brown else 563fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 56421ed5574SLen Brown 1.0 * t->tsc / units * t->aperf / t->mperf / interval_float); 56521ed5574SLen Brown } 566103a8feaSLen Brown 567d7899447SLen Brown /* TSC_MHz */ 568fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 1.0 * t->tsc/units/interval_float); 569103a8feaSLen Brown 5708e180f3cSLen Brown /* delta */ 5718e180f3cSLen Brown if (extra_delta_offset32) 5728e180f3cSLen Brown outp += sprintf(outp, " %11llu", t->extra_delta32); 5738e180f3cSLen Brown 5748e180f3cSLen Brown /* DELTA */ 5758e180f3cSLen Brown if (extra_delta_offset64) 5768e180f3cSLen Brown outp += sprintf(outp, " %11llu", t->extra_delta64); 5772f32edf1SLen Brown /* msr */ 5782f32edf1SLen Brown if (extra_msr_offset32) 5798e180f3cSLen Brown outp += sprintf(outp, " 0x%08llx", t->extra_msr32); 5802f32edf1SLen Brown 581130ff304SLen Brown /* MSR */ 5822f32edf1SLen Brown if (extra_msr_offset64) 5832f32edf1SLen Brown outp += sprintf(outp, " 0x%016llx", t->extra_msr64); 584130ff304SLen Brown 5851cc21f7bSLen Brown if (!debug) 5861cc21f7bSLen Brown goto done; 5871cc21f7bSLen Brown 588562a2d37SLen Brown /* IRQ */ 589562a2d37SLen Brown if (do_irq) 590562a2d37SLen Brown outp += sprintf(outp, "%8d", t->irq_count); 591562a2d37SLen Brown 5921cc21f7bSLen Brown /* SMI */ 5931cc21f7bSLen Brown if (do_smi) 5941cc21f7bSLen Brown outp += sprintf(outp, "%8d", t->smi_count); 5951cc21f7bSLen Brown 596103a8feaSLen Brown if (do_nhm_cstates) { 597103a8feaSLen Brown if (!skip_c1) 598fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * t->c1/t->tsc); 599103a8feaSLen Brown else 600fc04cc67SLen Brown outp += sprintf(outp, "********"); 601103a8feaSLen Brown } 602c98d5d94SLen Brown 603c98d5d94SLen Brown /* print per-core data only for 1st thread in core */ 604c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 605c98d5d94SLen Brown goto done; 606c98d5d94SLen Brown 607fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) 608fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c3/t->tsc); 609103a8feaSLen Brown if (do_nhm_cstates) 610fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c6/t->tsc); 611103a8feaSLen Brown if (do_snb_cstates) 612fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c7/t->tsc); 613c98d5d94SLen Brown 614889facbeSLen Brown if (do_dts) 615fc04cc67SLen Brown outp += sprintf(outp, "%8d", c->core_temp_c); 616889facbeSLen Brown 617c98d5d94SLen Brown /* print per-package data only for 1st core in package */ 618c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 619c98d5d94SLen Brown goto done; 620c98d5d94SLen Brown 6210b2bb692SLen Brown /* PkgTmp */ 622889facbeSLen Brown if (do_ptm) 623fc04cc67SLen Brown outp += sprintf(outp, "%8d", p->pkg_temp_c); 624889facbeSLen Brown 625fdf676e5SLen Brown /* GFXrc6 */ 626fdf676e5SLen Brown if (do_gfx_rc6_ms) 627fdf676e5SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->gfx_rc6_ms / 1000.0 / interval_float); 628fdf676e5SLen Brown 62927d47356SLen Brown /* GFXMHz */ 63027d47356SLen Brown if (do_gfx_mhz) 63127d47356SLen Brown outp += sprintf(outp, "%8d", p->gfx_mhz); 63227d47356SLen Brown 6330b2bb692SLen Brown /* Totl%C0, Any%C0 GFX%C0 CPUGFX% */ 6340b2bb692SLen Brown if (do_skl_residency) { 6350b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_wtd_core_c0/t->tsc); 6360b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_core_c0/t->tsc); 6370b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_gfxe_c0/t->tsc); 6380b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_both_core_gfxe_c0/t->tsc); 6390b2bb692SLen Brown } 6400b2bb692SLen Brown 641ee7e38e3SLen Brown if (do_pc2) 642fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc2/t->tsc); 643ee7e38e3SLen Brown if (do_pc3) 644fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc3/t->tsc); 645ee7e38e3SLen Brown if (do_pc6) 646fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc6/t->tsc); 647ee7e38e3SLen Brown if (do_pc7) 648fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc7/t->tsc); 649ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 650fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc8/t->tsc); 651fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc9/t->tsc); 652fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc10/t->tsc); 653ca58710fSKristen Carlson Accardi } 654889facbeSLen Brown 655889facbeSLen Brown /* 656889facbeSLen Brown * If measurement interval exceeds minimum RAPL Joule Counter range, 657889facbeSLen Brown * indicate that results are suspect by printing "**" in fraction place. 658889facbeSLen Brown */ 659fc04cc67SLen Brown if (interval_float < rapl_joule_counter_range) 660fc04cc67SLen Brown fmt8 = "%8.2f"; 661fc04cc67SLen Brown else 662fc04cc67SLen Brown fmt8 = " %6.0f**"; 663889facbeSLen Brown 6645c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 665889facbeSLen Brown if (do_rapl & RAPL_PKG) 666fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float); 667889facbeSLen Brown if (do_rapl & RAPL_CORES) 668fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float); 669889facbeSLen Brown if (do_rapl & RAPL_GFX) 670fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float); 671889facbeSLen Brown if (do_rapl & RAPL_DRAM) 67240ee8e3bSAndrey Semin outp += sprintf(outp, fmt8, p->energy_dram * rapl_dram_energy_units / interval_float); 673889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 674fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 675889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 676fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 677d7899447SLen Brown } else if (do_rapl && rapl_joules) { 6785c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 679fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6805c56be9aSDirk Brandewie p->energy_pkg * rapl_energy_units); 6815c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 682fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6835c56be9aSDirk Brandewie p->energy_cores * rapl_energy_units); 6845c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 685fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6865c56be9aSDirk Brandewie p->energy_gfx * rapl_energy_units); 6875c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 688fc04cc67SLen Brown outp += sprintf(outp, fmt8, 68940ee8e3bSAndrey Semin p->energy_dram * rapl_dram_energy_units); 6905c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 691fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 6925c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 693fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 694889facbeSLen Brown 695d7899447SLen Brown outp += sprintf(outp, fmt8, interval_float); 6965c56be9aSDirk Brandewie } 697c98d5d94SLen Brown done: 698c98d5d94SLen Brown outp += sprintf(outp, "\n"); 699c98d5d94SLen Brown 700c98d5d94SLen Brown return 0; 701103a8feaSLen Brown } 702103a8feaSLen Brown 703b7d8c148SLen Brown void flush_output_stdout(void) 704103a8feaSLen Brown { 705b7d8c148SLen Brown FILE *filep; 706b7d8c148SLen Brown 707b7d8c148SLen Brown if (outf == stderr) 708b7d8c148SLen Brown filep = stdout; 709b7d8c148SLen Brown else 710b7d8c148SLen Brown filep = outf; 711b7d8c148SLen Brown 712b7d8c148SLen Brown fputs(output_buffer, filep); 713b7d8c148SLen Brown fflush(filep); 714b7d8c148SLen Brown 715c98d5d94SLen Brown outp = output_buffer; 716c98d5d94SLen Brown } 717b7d8c148SLen Brown void flush_output_stderr(void) 718c98d5d94SLen Brown { 719b7d8c148SLen Brown fputs(output_buffer, outf); 720b7d8c148SLen Brown fflush(outf); 721c98d5d94SLen Brown outp = output_buffer; 722c98d5d94SLen Brown } 723c98d5d94SLen Brown void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 724c98d5d94SLen Brown { 725e23da037SLen Brown static int printed; 726103a8feaSLen Brown 727e23da037SLen Brown if (!printed || !summary_only) 728103a8feaSLen Brown print_header(); 729103a8feaSLen Brown 730c98d5d94SLen Brown if (topo.num_cpus > 1) 731c98d5d94SLen Brown format_counters(&average.threads, &average.cores, 732c98d5d94SLen Brown &average.packages); 733103a8feaSLen Brown 734e23da037SLen Brown printed = 1; 735e23da037SLen Brown 736e23da037SLen Brown if (summary_only) 737e23da037SLen Brown return; 738e23da037SLen Brown 739c98d5d94SLen Brown for_all_cpus(format_counters, t, c, p); 740103a8feaSLen Brown } 741103a8feaSLen Brown 742889facbeSLen Brown #define DELTA_WRAP32(new, old) \ 743889facbeSLen Brown if (new > old) { \ 744889facbeSLen Brown old = new - old; \ 745889facbeSLen Brown } else { \ 746889facbeSLen Brown old = 0x100000000 + new - old; \ 747889facbeSLen Brown } 748889facbeSLen Brown 749c98d5d94SLen Brown void 750c98d5d94SLen Brown delta_package(struct pkg_data *new, struct pkg_data *old) 751103a8feaSLen Brown { 7520b2bb692SLen Brown 7530b2bb692SLen Brown if (do_skl_residency) { 7540b2bb692SLen Brown old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0; 7550b2bb692SLen Brown old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0; 7560b2bb692SLen Brown old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0; 7570b2bb692SLen Brown old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0; 7580b2bb692SLen Brown } 759c98d5d94SLen Brown old->pc2 = new->pc2 - old->pc2; 760ee7e38e3SLen Brown if (do_pc3) 761c98d5d94SLen Brown old->pc3 = new->pc3 - old->pc3; 762ee7e38e3SLen Brown if (do_pc6) 763c98d5d94SLen Brown old->pc6 = new->pc6 - old->pc6; 764ee7e38e3SLen Brown if (do_pc7) 765c98d5d94SLen Brown old->pc7 = new->pc7 - old->pc7; 766ca58710fSKristen Carlson Accardi old->pc8 = new->pc8 - old->pc8; 767ca58710fSKristen Carlson Accardi old->pc9 = new->pc9 - old->pc9; 768ca58710fSKristen Carlson Accardi old->pc10 = new->pc10 - old->pc10; 769889facbeSLen Brown old->pkg_temp_c = new->pkg_temp_c; 770889facbeSLen Brown 771fdf676e5SLen Brown old->gfx_rc6_ms = new->gfx_rc6_ms - old->gfx_rc6_ms; 77227d47356SLen Brown old->gfx_mhz = new->gfx_mhz; 77327d47356SLen Brown 774889facbeSLen Brown DELTA_WRAP32(new->energy_pkg, old->energy_pkg); 775889facbeSLen Brown DELTA_WRAP32(new->energy_cores, old->energy_cores); 776889facbeSLen Brown DELTA_WRAP32(new->energy_gfx, old->energy_gfx); 777889facbeSLen Brown DELTA_WRAP32(new->energy_dram, old->energy_dram); 778889facbeSLen Brown DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status); 779889facbeSLen Brown DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status); 780103a8feaSLen Brown } 781103a8feaSLen Brown 782c98d5d94SLen Brown void 783c98d5d94SLen Brown delta_core(struct core_data *new, struct core_data *old) 784c98d5d94SLen Brown { 785c98d5d94SLen Brown old->c3 = new->c3 - old->c3; 786c98d5d94SLen Brown old->c6 = new->c6 - old->c6; 787c98d5d94SLen Brown old->c7 = new->c7 - old->c7; 788889facbeSLen Brown old->core_temp_c = new->core_temp_c; 789103a8feaSLen Brown } 790c98d5d94SLen Brown 791c3ae331dSLen Brown /* 792c3ae331dSLen Brown * old = new - old 793c3ae331dSLen Brown */ 794c98d5d94SLen Brown void 795c98d5d94SLen Brown delta_thread(struct thread_data *new, struct thread_data *old, 796c98d5d94SLen Brown struct core_data *core_delta) 797c98d5d94SLen Brown { 798c98d5d94SLen Brown old->tsc = new->tsc - old->tsc; 799c98d5d94SLen Brown 800103a8feaSLen Brown /* check for TSC < 1 Mcycles over interval */ 801b2c95d90SJosh Triplett if (old->tsc < (1000 * 1000)) 802b2c95d90SJosh Triplett errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n" 803b2c95d90SJosh Triplett "You can disable all c-states by booting with \"idle=poll\"\n" 804b2c95d90SJosh Triplett "or just the deep ones with \"processor.max_cstate=1\""); 805103a8feaSLen Brown 806c98d5d94SLen Brown old->c1 = new->c1 - old->c1; 807c98d5d94SLen Brown 808a729617cSLen Brown if (has_aperf) { 809c98d5d94SLen Brown if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) { 810c98d5d94SLen Brown old->aperf = new->aperf - old->aperf; 811c98d5d94SLen Brown old->mperf = new->mperf - old->mperf; 812c98d5d94SLen Brown } else { 813c98d5d94SLen Brown 814103a8feaSLen Brown if (!aperf_mperf_unstable) { 815b7d8c148SLen Brown fprintf(outf, "%s: APERF or MPERF went backwards *\n", progname); 816b7d8c148SLen Brown fprintf(outf, "* Frequency results do not cover entire interval *\n"); 817b7d8c148SLen Brown fprintf(outf, "* fix this by running Linux-2.6.30 or later *\n"); 818103a8feaSLen Brown 819103a8feaSLen Brown aperf_mperf_unstable = 1; 820103a8feaSLen Brown } 821103a8feaSLen Brown /* 822103a8feaSLen Brown * mperf delta is likely a huge "positive" number 823103a8feaSLen Brown * can not use it for calculating c0 time 824103a8feaSLen Brown */ 825103a8feaSLen Brown skip_c0 = 1; 826103a8feaSLen Brown skip_c1 = 1; 827103a8feaSLen Brown } 828a729617cSLen Brown } 829103a8feaSLen Brown 830c98d5d94SLen Brown 831144b44b1SLen Brown if (use_c1_residency_msr) { 832144b44b1SLen Brown /* 833144b44b1SLen Brown * Some models have a dedicated C1 residency MSR, 834144b44b1SLen Brown * which should be more accurate than the derivation below. 835144b44b1SLen Brown */ 836144b44b1SLen Brown } else { 837103a8feaSLen Brown /* 838c3ae331dSLen Brown * As counter collection is not atomic, 839c3ae331dSLen Brown * it is possible for mperf's non-halted cycles + idle states 840103a8feaSLen Brown * to exceed TSC's all cycles: show c1 = 0% in that case. 841103a8feaSLen Brown */ 842c3ae331dSLen Brown if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc) 843c98d5d94SLen Brown old->c1 = 0; 844c98d5d94SLen Brown else { 845c98d5d94SLen Brown /* normal case, derive c1 */ 846c98d5d94SLen Brown old->c1 = old->tsc - old->mperf - core_delta->c3 847c98d5d94SLen Brown - core_delta->c6 - core_delta->c7; 848c98d5d94SLen Brown } 849144b44b1SLen Brown } 850c3ae331dSLen Brown 851c98d5d94SLen Brown if (old->mperf == 0) { 852b7d8c148SLen Brown if (debug > 1) 853b7d8c148SLen Brown fprintf(outf, "cpu%d MPERF 0!\n", old->cpu_id); 854c98d5d94SLen Brown old->mperf = 1; /* divide by 0 protection */ 855c98d5d94SLen Brown } 856103a8feaSLen Brown 8578e180f3cSLen Brown old->extra_delta32 = new->extra_delta32 - old->extra_delta32; 8588e180f3cSLen Brown old->extra_delta32 &= 0xFFFFFFFF; 8598e180f3cSLen Brown 8608e180f3cSLen Brown old->extra_delta64 = new->extra_delta64 - old->extra_delta64; 8618e180f3cSLen Brown 862103a8feaSLen Brown /* 8638e180f3cSLen Brown * Extra MSR is just a snapshot, simply copy latest w/o subtracting 864103a8feaSLen Brown */ 8652f32edf1SLen Brown old->extra_msr32 = new->extra_msr32; 8662f32edf1SLen Brown old->extra_msr64 = new->extra_msr64; 8671ed51011SLen Brown 868562a2d37SLen Brown if (do_irq) 869562a2d37SLen Brown old->irq_count = new->irq_count - old->irq_count; 870562a2d37SLen Brown 8711ed51011SLen Brown if (do_smi) 8721ed51011SLen Brown old->smi_count = new->smi_count - old->smi_count; 873103a8feaSLen Brown } 874c98d5d94SLen Brown 875c98d5d94SLen Brown int delta_cpu(struct thread_data *t, struct core_data *c, 876c98d5d94SLen Brown struct pkg_data *p, struct thread_data *t2, 877c98d5d94SLen Brown struct core_data *c2, struct pkg_data *p2) 878c98d5d94SLen Brown { 879c98d5d94SLen Brown /* calculate core delta only for 1st thread in core */ 880c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE) 881c98d5d94SLen Brown delta_core(c, c2); 882c98d5d94SLen Brown 883c98d5d94SLen Brown /* always calculate thread delta */ 884c98d5d94SLen Brown delta_thread(t, t2, c2); /* c2 is core delta */ 885c98d5d94SLen Brown 886c98d5d94SLen Brown /* calculate package delta only for 1st core in package */ 887c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE) 888c98d5d94SLen Brown delta_package(p, p2); 889c98d5d94SLen Brown 890103a8feaSLen Brown return 0; 891103a8feaSLen Brown } 892103a8feaSLen Brown 893c98d5d94SLen Brown void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 894103a8feaSLen Brown { 895c98d5d94SLen Brown t->tsc = 0; 896c98d5d94SLen Brown t->aperf = 0; 897c98d5d94SLen Brown t->mperf = 0; 898c98d5d94SLen Brown t->c1 = 0; 899103a8feaSLen Brown 9008e180f3cSLen Brown t->extra_delta32 = 0; 9018e180f3cSLen Brown t->extra_delta64 = 0; 9028e180f3cSLen Brown 903562a2d37SLen Brown t->irq_count = 0; 904562a2d37SLen Brown t->smi_count = 0; 905562a2d37SLen Brown 906c98d5d94SLen Brown /* tells format_counters to dump all fields from this set */ 907c98d5d94SLen Brown t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE; 908c98d5d94SLen Brown 909c98d5d94SLen Brown c->c3 = 0; 910c98d5d94SLen Brown c->c6 = 0; 911c98d5d94SLen Brown c->c7 = 0; 912889facbeSLen Brown c->core_temp_c = 0; 913c98d5d94SLen Brown 9140b2bb692SLen Brown p->pkg_wtd_core_c0 = 0; 9150b2bb692SLen Brown p->pkg_any_core_c0 = 0; 9160b2bb692SLen Brown p->pkg_any_gfxe_c0 = 0; 9170b2bb692SLen Brown p->pkg_both_core_gfxe_c0 = 0; 9180b2bb692SLen Brown 919c98d5d94SLen Brown p->pc2 = 0; 920ee7e38e3SLen Brown if (do_pc3) 921c98d5d94SLen Brown p->pc3 = 0; 922ee7e38e3SLen Brown if (do_pc6) 923c98d5d94SLen Brown p->pc6 = 0; 924ee7e38e3SLen Brown if (do_pc7) 925c98d5d94SLen Brown p->pc7 = 0; 926ca58710fSKristen Carlson Accardi p->pc8 = 0; 927ca58710fSKristen Carlson Accardi p->pc9 = 0; 928ca58710fSKristen Carlson Accardi p->pc10 = 0; 929889facbeSLen Brown 930889facbeSLen Brown p->energy_pkg = 0; 931889facbeSLen Brown p->energy_dram = 0; 932889facbeSLen Brown p->energy_cores = 0; 933889facbeSLen Brown p->energy_gfx = 0; 934889facbeSLen Brown p->rapl_pkg_perf_status = 0; 935889facbeSLen Brown p->rapl_dram_perf_status = 0; 936889facbeSLen Brown p->pkg_temp_c = 0; 93727d47356SLen Brown 938fdf676e5SLen Brown p->gfx_rc6_ms = 0; 93927d47356SLen Brown p->gfx_mhz = 0; 940103a8feaSLen Brown } 941c98d5d94SLen Brown int sum_counters(struct thread_data *t, struct core_data *c, 942c98d5d94SLen Brown struct pkg_data *p) 943103a8feaSLen Brown { 944c98d5d94SLen Brown average.threads.tsc += t->tsc; 945c98d5d94SLen Brown average.threads.aperf += t->aperf; 946c98d5d94SLen Brown average.threads.mperf += t->mperf; 947c98d5d94SLen Brown average.threads.c1 += t->c1; 94815aaa346SLen Brown 9498e180f3cSLen Brown average.threads.extra_delta32 += t->extra_delta32; 9508e180f3cSLen Brown average.threads.extra_delta64 += t->extra_delta64; 9518e180f3cSLen Brown 952562a2d37SLen Brown average.threads.irq_count += t->irq_count; 953562a2d37SLen Brown average.threads.smi_count += t->smi_count; 954562a2d37SLen Brown 955c98d5d94SLen Brown /* sum per-core values only for 1st thread in core */ 956c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 957c98d5d94SLen Brown return 0; 958c98d5d94SLen Brown 959c98d5d94SLen Brown average.cores.c3 += c->c3; 960c98d5d94SLen Brown average.cores.c6 += c->c6; 961c98d5d94SLen Brown average.cores.c7 += c->c7; 962c98d5d94SLen Brown 963889facbeSLen Brown average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c); 964889facbeSLen Brown 965c98d5d94SLen Brown /* sum per-pkg values only for 1st core in pkg */ 966c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 967c98d5d94SLen Brown return 0; 968c98d5d94SLen Brown 9690b2bb692SLen Brown if (do_skl_residency) { 9700b2bb692SLen Brown average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0; 9710b2bb692SLen Brown average.packages.pkg_any_core_c0 += p->pkg_any_core_c0; 9720b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0; 9730b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0; 9740b2bb692SLen Brown } 9750b2bb692SLen Brown 976c98d5d94SLen Brown average.packages.pc2 += p->pc2; 977ee7e38e3SLen Brown if (do_pc3) 978c98d5d94SLen Brown average.packages.pc3 += p->pc3; 979ee7e38e3SLen Brown if (do_pc6) 980c98d5d94SLen Brown average.packages.pc6 += p->pc6; 981ee7e38e3SLen Brown if (do_pc7) 982c98d5d94SLen Brown average.packages.pc7 += p->pc7; 983ca58710fSKristen Carlson Accardi average.packages.pc8 += p->pc8; 984ca58710fSKristen Carlson Accardi average.packages.pc9 += p->pc9; 985ca58710fSKristen Carlson Accardi average.packages.pc10 += p->pc10; 986c98d5d94SLen Brown 987889facbeSLen Brown average.packages.energy_pkg += p->energy_pkg; 988889facbeSLen Brown average.packages.energy_dram += p->energy_dram; 989889facbeSLen Brown average.packages.energy_cores += p->energy_cores; 990889facbeSLen Brown average.packages.energy_gfx += p->energy_gfx; 991889facbeSLen Brown 992fdf676e5SLen Brown average.packages.gfx_rc6_ms = p->gfx_rc6_ms; 99327d47356SLen Brown average.packages.gfx_mhz = p->gfx_mhz; 99427d47356SLen Brown 995889facbeSLen Brown average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c); 996889facbeSLen Brown 997889facbeSLen Brown average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status; 998889facbeSLen Brown average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status; 999c98d5d94SLen Brown return 0; 1000c98d5d94SLen Brown } 1001c98d5d94SLen Brown /* 1002c98d5d94SLen Brown * sum the counters for all cpus in the system 1003c98d5d94SLen Brown * compute the weighted average 1004c98d5d94SLen Brown */ 1005c98d5d94SLen Brown void compute_average(struct thread_data *t, struct core_data *c, 1006c98d5d94SLen Brown struct pkg_data *p) 1007c98d5d94SLen Brown { 1008c98d5d94SLen Brown clear_counters(&average.threads, &average.cores, &average.packages); 1009c98d5d94SLen Brown 1010c98d5d94SLen Brown for_all_cpus(sum_counters, t, c, p); 1011c98d5d94SLen Brown 1012c98d5d94SLen Brown average.threads.tsc /= topo.num_cpus; 1013c98d5d94SLen Brown average.threads.aperf /= topo.num_cpus; 1014c98d5d94SLen Brown average.threads.mperf /= topo.num_cpus; 1015c98d5d94SLen Brown average.threads.c1 /= topo.num_cpus; 1016c98d5d94SLen Brown 10178e180f3cSLen Brown average.threads.extra_delta32 /= topo.num_cpus; 10188e180f3cSLen Brown average.threads.extra_delta32 &= 0xFFFFFFFF; 10198e180f3cSLen Brown 10208e180f3cSLen Brown average.threads.extra_delta64 /= topo.num_cpus; 10218e180f3cSLen Brown 1022c98d5d94SLen Brown average.cores.c3 /= topo.num_cores; 1023c98d5d94SLen Brown average.cores.c6 /= topo.num_cores; 1024c98d5d94SLen Brown average.cores.c7 /= topo.num_cores; 1025c98d5d94SLen Brown 10260b2bb692SLen Brown if (do_skl_residency) { 10270b2bb692SLen Brown average.packages.pkg_wtd_core_c0 /= topo.num_packages; 10280b2bb692SLen Brown average.packages.pkg_any_core_c0 /= topo.num_packages; 10290b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 /= topo.num_packages; 10300b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 /= topo.num_packages; 10310b2bb692SLen Brown } 10320b2bb692SLen Brown 1033c98d5d94SLen Brown average.packages.pc2 /= topo.num_packages; 1034ee7e38e3SLen Brown if (do_pc3) 1035c98d5d94SLen Brown average.packages.pc3 /= topo.num_packages; 1036ee7e38e3SLen Brown if (do_pc6) 1037c98d5d94SLen Brown average.packages.pc6 /= topo.num_packages; 1038ee7e38e3SLen Brown if (do_pc7) 1039c98d5d94SLen Brown average.packages.pc7 /= topo.num_packages; 1040ca58710fSKristen Carlson Accardi 1041ca58710fSKristen Carlson Accardi average.packages.pc8 /= topo.num_packages; 1042ca58710fSKristen Carlson Accardi average.packages.pc9 /= topo.num_packages; 1043ca58710fSKristen Carlson Accardi average.packages.pc10 /= topo.num_packages; 1044c98d5d94SLen Brown } 1045c98d5d94SLen Brown 1046c98d5d94SLen Brown static unsigned long long rdtsc(void) 1047c98d5d94SLen Brown { 1048c98d5d94SLen Brown unsigned int low, high; 1049c98d5d94SLen Brown 1050c98d5d94SLen Brown asm volatile("rdtsc" : "=a" (low), "=d" (high)); 1051c98d5d94SLen Brown 1052c98d5d94SLen Brown return low | ((unsigned long long)high) << 32; 1053c98d5d94SLen Brown } 1054c98d5d94SLen Brown 1055c98d5d94SLen Brown /* 1056c98d5d94SLen Brown * get_counters(...) 1057c98d5d94SLen Brown * migrate to cpu 1058c98d5d94SLen Brown * acquire and record local counters for that cpu 1059c98d5d94SLen Brown */ 1060c98d5d94SLen Brown int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1061c98d5d94SLen Brown { 1062c98d5d94SLen Brown int cpu = t->cpu_id; 1063889facbeSLen Brown unsigned long long msr; 10640102b067SLen Brown int aperf_mperf_retry_count = 0; 1065c98d5d94SLen Brown 1066e52966c0SLen Brown if (cpu_migrate(cpu)) { 1067b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 106815aaa346SLen Brown return -1; 1069e52966c0SLen Brown } 107015aaa346SLen Brown 10710102b067SLen Brown retry: 1072c98d5d94SLen Brown t->tsc = rdtsc(); /* we are running on local CPU of interest */ 107315aaa346SLen Brown 107415aaa346SLen Brown if (has_aperf) { 10750102b067SLen Brown unsigned long long tsc_before, tsc_between, tsc_after, aperf_time, mperf_time; 10760102b067SLen Brown 10770102b067SLen Brown /* 10780102b067SLen Brown * The TSC, APERF and MPERF must be read together for 10790102b067SLen Brown * APERF/MPERF and MPERF/TSC to give accurate results. 10800102b067SLen Brown * 10810102b067SLen Brown * Unfortunately, APERF and MPERF are read by 10820102b067SLen Brown * individual system call, so delays may occur 10830102b067SLen Brown * between them. If the time to read them 10840102b067SLen Brown * varies by a large amount, we re-read them. 10850102b067SLen Brown */ 10860102b067SLen Brown 10870102b067SLen Brown /* 10880102b067SLen Brown * This initial dummy APERF read has been seen to 10890102b067SLen Brown * reduce jitter in the subsequent reads. 10900102b067SLen Brown */ 10910102b067SLen Brown 10929c63a650SLen Brown if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 1093c98d5d94SLen Brown return -3; 10940102b067SLen Brown 10950102b067SLen Brown t->tsc = rdtsc(); /* re-read close to APERF */ 10960102b067SLen Brown 10970102b067SLen Brown tsc_before = t->tsc; 10980102b067SLen Brown 10990102b067SLen Brown if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 11000102b067SLen Brown return -3; 11010102b067SLen Brown 11020102b067SLen Brown tsc_between = rdtsc(); 11030102b067SLen Brown 11049c63a650SLen Brown if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf)) 1105c98d5d94SLen Brown return -4; 11060102b067SLen Brown 11070102b067SLen Brown tsc_after = rdtsc(); 11080102b067SLen Brown 11090102b067SLen Brown aperf_time = tsc_between - tsc_before; 11100102b067SLen Brown mperf_time = tsc_after - tsc_between; 11110102b067SLen Brown 11120102b067SLen Brown /* 11130102b067SLen Brown * If the system call latency to read APERF and MPERF 11140102b067SLen Brown * differ by more than 2x, then try again. 11150102b067SLen Brown */ 11160102b067SLen Brown if ((aperf_time > (2 * mperf_time)) || (mperf_time > (2 * aperf_time))) { 11170102b067SLen Brown aperf_mperf_retry_count++; 11180102b067SLen Brown if (aperf_mperf_retry_count < 5) 11190102b067SLen Brown goto retry; 11200102b067SLen Brown else 11210102b067SLen Brown warnx("cpu%d jitter %lld %lld", 11220102b067SLen Brown cpu, aperf_time, mperf_time); 11230102b067SLen Brown } 11240102b067SLen Brown aperf_mperf_retry_count = 0; 11250102b067SLen Brown 1126b2b34dfeSHubert Chrzaniuk t->aperf = t->aperf * aperf_mperf_multiplier; 1127b2b34dfeSHubert Chrzaniuk t->mperf = t->mperf * aperf_mperf_multiplier; 112888c3281fSLen Brown } 112988c3281fSLen Brown 1130562a2d37SLen Brown if (do_irq) 1131562a2d37SLen Brown t->irq_count = irqs_per_cpu[cpu]; 11321ed51011SLen Brown if (do_smi) { 11331ed51011SLen Brown if (get_msr(cpu, MSR_SMI_COUNT, &msr)) 11341ed51011SLen Brown return -5; 11351ed51011SLen Brown t->smi_count = msr & 0xFFFFFFFF; 11361ed51011SLen Brown } 11378e180f3cSLen Brown if (extra_delta_offset32) { 1138889facbeSLen Brown if (get_msr(cpu, extra_delta_offset32, &msr)) 11392f32edf1SLen Brown return -5; 1140889facbeSLen Brown t->extra_delta32 = msr & 0xFFFFFFFF; 11418e180f3cSLen Brown } 11428e180f3cSLen Brown 11438e180f3cSLen Brown if (extra_delta_offset64) 11448e180f3cSLen Brown if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64)) 11458e180f3cSLen Brown return -5; 11468e180f3cSLen Brown 11478e180f3cSLen Brown if (extra_msr_offset32) { 1148889facbeSLen Brown if (get_msr(cpu, extra_msr_offset32, &msr)) 11498e180f3cSLen Brown return -5; 1150889facbeSLen Brown t->extra_msr32 = msr & 0xFFFFFFFF; 11518e180f3cSLen Brown } 11522f32edf1SLen Brown 11532f32edf1SLen Brown if (extra_msr_offset64) 11542f32edf1SLen Brown if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64)) 1155c98d5d94SLen Brown return -5; 1156c98d5d94SLen Brown 1157144b44b1SLen Brown if (use_c1_residency_msr) { 1158144b44b1SLen Brown if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1)) 1159144b44b1SLen Brown return -6; 1160144b44b1SLen Brown } 1161144b44b1SLen Brown 1162c98d5d94SLen Brown /* collect core counters only for 1st thread in core */ 1163c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 1164c98d5d94SLen Brown return 0; 1165c98d5d94SLen Brown 1166fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) { 1167c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3)) 1168c98d5d94SLen Brown return -6; 1169144b44b1SLen Brown } 1170144b44b1SLen Brown 1171fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_knl_cstates) { 1172c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6)) 1173c98d5d94SLen Brown return -7; 1174fb5d4327SDasaratharaman Chandramouli } else if (do_knl_cstates) { 1175fb5d4327SDasaratharaman Chandramouli if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6)) 1176fb5d4327SDasaratharaman Chandramouli return -7; 1177103a8feaSLen Brown } 117815aaa346SLen Brown 117915aaa346SLen Brown if (do_snb_cstates) 1180c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7)) 1181c98d5d94SLen Brown return -8; 1182c98d5d94SLen Brown 1183889facbeSLen Brown if (do_dts) { 1184889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 1185889facbeSLen Brown return -9; 1186889facbeSLen Brown c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1187889facbeSLen Brown } 1188889facbeSLen Brown 1189889facbeSLen Brown 1190c98d5d94SLen Brown /* collect package counters only for 1st core in package */ 1191c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1192c98d5d94SLen Brown return 0; 119315aaa346SLen Brown 11940b2bb692SLen Brown if (do_skl_residency) { 11950b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0)) 11960b2bb692SLen Brown return -10; 11970b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0)) 11980b2bb692SLen Brown return -11; 11990b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0)) 12000b2bb692SLen Brown return -12; 12010b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0)) 12020b2bb692SLen Brown return -13; 12030b2bb692SLen Brown } 1204ee7e38e3SLen Brown if (do_pc3) 1205c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3)) 1206c98d5d94SLen Brown return -9; 1207ee7e38e3SLen Brown if (do_pc6) 1208c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6)) 1209c98d5d94SLen Brown return -10; 1210ee7e38e3SLen Brown if (do_pc2) 1211c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2)) 1212c98d5d94SLen Brown return -11; 1213ee7e38e3SLen Brown if (do_pc7) 1214c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7)) 1215c98d5d94SLen Brown return -12; 1216ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 1217ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8)) 1218ca58710fSKristen Carlson Accardi return -13; 1219ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9)) 1220ca58710fSKristen Carlson Accardi return -13; 1221ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10)) 1222ca58710fSKristen Carlson Accardi return -13; 1223ca58710fSKristen Carlson Accardi } 1224889facbeSLen Brown if (do_rapl & RAPL_PKG) { 1225889facbeSLen Brown if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr)) 1226889facbeSLen Brown return -13; 1227889facbeSLen Brown p->energy_pkg = msr & 0xFFFFFFFF; 1228889facbeSLen Brown } 1229889facbeSLen Brown if (do_rapl & RAPL_CORES) { 1230889facbeSLen Brown if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr)) 1231889facbeSLen Brown return -14; 1232889facbeSLen Brown p->energy_cores = msr & 0xFFFFFFFF; 1233889facbeSLen Brown } 1234889facbeSLen Brown if (do_rapl & RAPL_DRAM) { 1235889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr)) 1236889facbeSLen Brown return -15; 1237889facbeSLen Brown p->energy_dram = msr & 0xFFFFFFFF; 1238889facbeSLen Brown } 1239889facbeSLen Brown if (do_rapl & RAPL_GFX) { 1240889facbeSLen Brown if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr)) 1241889facbeSLen Brown return -16; 1242889facbeSLen Brown p->energy_gfx = msr & 0xFFFFFFFF; 1243889facbeSLen Brown } 1244889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) { 1245889facbeSLen Brown if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr)) 1246889facbeSLen Brown return -16; 1247889facbeSLen Brown p->rapl_pkg_perf_status = msr & 0xFFFFFFFF; 1248889facbeSLen Brown } 1249889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) { 1250889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr)) 1251889facbeSLen Brown return -16; 1252889facbeSLen Brown p->rapl_dram_perf_status = msr & 0xFFFFFFFF; 1253889facbeSLen Brown } 1254889facbeSLen Brown if (do_ptm) { 1255889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 1256889facbeSLen Brown return -17; 1257889facbeSLen Brown p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1258889facbeSLen Brown } 1259fdf676e5SLen Brown 1260fdf676e5SLen Brown if (do_gfx_rc6_ms) 1261fdf676e5SLen Brown p->gfx_rc6_ms = gfx_cur_rc6_ms; 1262fdf676e5SLen Brown 126327d47356SLen Brown if (do_gfx_mhz) 126427d47356SLen Brown p->gfx_mhz = gfx_cur_mhz; 126527d47356SLen Brown 126615aaa346SLen Brown return 0; 1267103a8feaSLen Brown } 1268103a8feaSLen Brown 1269ee7e38e3SLen Brown /* 1270ee7e38e3SLen Brown * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit: 1271ee7e38e3SLen Brown * If you change the values, note they are used both in comparisons 1272ee7e38e3SLen Brown * (>= PCL__7) and to index pkg_cstate_limit_strings[]. 1273ee7e38e3SLen Brown */ 1274ee7e38e3SLen Brown 1275ee7e38e3SLen Brown #define PCLUKN 0 /* Unknown */ 1276ee7e38e3SLen Brown #define PCLRSV 1 /* Reserved */ 1277ee7e38e3SLen Brown #define PCL__0 2 /* PC0 */ 1278ee7e38e3SLen Brown #define PCL__1 3 /* PC1 */ 1279ee7e38e3SLen Brown #define PCL__2 4 /* PC2 */ 1280ee7e38e3SLen Brown #define PCL__3 5 /* PC3 */ 1281ee7e38e3SLen Brown #define PCL__4 6 /* PC4 */ 1282ee7e38e3SLen Brown #define PCL__6 7 /* PC6 */ 1283ee7e38e3SLen Brown #define PCL_6N 8 /* PC6 No Retention */ 1284ee7e38e3SLen Brown #define PCL_6R 9 /* PC6 Retention */ 1285ee7e38e3SLen Brown #define PCL__7 10 /* PC7 */ 1286ee7e38e3SLen Brown #define PCL_7S 11 /* PC7 Shrink */ 12870b2bb692SLen Brown #define PCL__8 12 /* PC8 */ 12880b2bb692SLen Brown #define PCL__9 13 /* PC9 */ 12890b2bb692SLen Brown #define PCLUNL 14 /* Unlimited */ 1290ee7e38e3SLen Brown 1291ee7e38e3SLen Brown int pkg_cstate_limit = PCLUKN; 1292ee7e38e3SLen Brown char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2", 12930b2bb692SLen Brown "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"}; 1294ee7e38e3SLen Brown 1295e9257f5fSLen 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}; 1296e9257f5fSLen 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}; 1297e9257f5fSLen 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}; 1298e9257f5fSLen 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}; 1299e9257f5fSLen 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}; 1300e9257f5fSLen 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}; 1301*e4085d54SLen Brown int bxt_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1302ee7e38e3SLen Brown 1303a2b7b749SLen Brown 1304a2b7b749SLen Brown static void 1305a2b7b749SLen Brown calculate_tsc_tweak() 1306a2b7b749SLen Brown { 1307a2b7b749SLen Brown tsc_tweak = base_hz / tsc_hz; 1308a2b7b749SLen Brown } 1309a2b7b749SLen Brown 1310fcd17211SLen Brown static void 1311fcd17211SLen Brown dump_nhm_platform_info(void) 1312103a8feaSLen Brown { 1313103a8feaSLen Brown unsigned long long msr; 1314103a8feaSLen Brown unsigned int ratio; 1315103a8feaSLen Brown 1316ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 1317103a8feaSLen Brown 1318b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr); 13196574a5d5SLen Brown 1320103a8feaSLen Brown ratio = (msr >> 40) & 0xFF; 1321b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max efficiency frequency\n", 1322103a8feaSLen Brown ratio, bclk, ratio * bclk); 1323103a8feaSLen Brown 1324103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1325b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz base frequency\n", 1326103a8feaSLen Brown ratio, bclk, ratio * bclk); 1327103a8feaSLen Brown 13287ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr); 1329b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n", 1330bfae2052SLen Brown base_cpu, msr, msr & 0x2 ? "EN" : "DIS"); 133167920418SLen Brown 1332fcd17211SLen Brown return; 1333fcd17211SLen Brown } 1334fcd17211SLen Brown 1335fcd17211SLen Brown static void 1336fcd17211SLen Brown dump_hsw_turbo_ratio_limits(void) 1337fcd17211SLen Brown { 1338fcd17211SLen Brown unsigned long long msr; 1339fcd17211SLen Brown unsigned int ratio; 1340fcd17211SLen Brown 13417ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr); 1342fcd17211SLen Brown 1343b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr); 1344fcd17211SLen Brown 1345fcd17211SLen Brown ratio = (msr >> 8) & 0xFF; 1346fcd17211SLen Brown if (ratio) 1347b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 18 active cores\n", 1348fcd17211SLen Brown ratio, bclk, ratio * bclk); 1349fcd17211SLen Brown 1350fcd17211SLen Brown ratio = (msr >> 0) & 0xFF; 1351fcd17211SLen Brown if (ratio) 1352b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 17 active cores\n", 1353fcd17211SLen Brown ratio, bclk, ratio * bclk); 1354fcd17211SLen Brown return; 1355fcd17211SLen Brown } 1356fcd17211SLen Brown 1357fcd17211SLen Brown static void 1358fcd17211SLen Brown dump_ivt_turbo_ratio_limits(void) 1359fcd17211SLen Brown { 1360fcd17211SLen Brown unsigned long long msr; 1361fcd17211SLen Brown unsigned int ratio; 13626574a5d5SLen Brown 13637ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr); 13646574a5d5SLen Brown 1365b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 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 16 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 15 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 14 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 13 active cores\n", 13856574a5d5SLen Brown ratio, bclk, ratio * bclk); 13866574a5d5SLen Brown 13876574a5d5SLen Brown ratio = (msr >> 24) & 0xFF; 13886574a5d5SLen Brown if (ratio) 1389b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 12 active cores\n", 13906574a5d5SLen Brown ratio, bclk, ratio * bclk); 13916574a5d5SLen Brown 13926574a5d5SLen Brown ratio = (msr >> 16) & 0xFF; 13936574a5d5SLen Brown if (ratio) 1394b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 11 active cores\n", 13956574a5d5SLen Brown ratio, bclk, ratio * bclk); 13966574a5d5SLen Brown 13976574a5d5SLen Brown ratio = (msr >> 8) & 0xFF; 13986574a5d5SLen Brown if (ratio) 1399b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 10 active cores\n", 14006574a5d5SLen Brown ratio, bclk, ratio * bclk); 14016574a5d5SLen Brown 14026574a5d5SLen Brown ratio = (msr >> 0) & 0xFF; 14036574a5d5SLen Brown if (ratio) 1404b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 9 active cores\n", 14056574a5d5SLen Brown ratio, bclk, ratio * bclk); 1406103a8feaSLen Brown return; 1407fcd17211SLen Brown } 1408fcd17211SLen Brown 1409fcd17211SLen Brown static void 1410fcd17211SLen Brown dump_nhm_turbo_ratio_limits(void) 1411fcd17211SLen Brown { 1412fcd17211SLen Brown unsigned long long msr; 1413fcd17211SLen Brown unsigned int ratio; 1414103a8feaSLen Brown 14157ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); 1416103a8feaSLen Brown 1417b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr); 14186574a5d5SLen Brown 14196574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 14206574a5d5SLen Brown if (ratio) 1421b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 8 active cores\n", 14226574a5d5SLen Brown ratio, bclk, ratio * bclk); 14236574a5d5SLen Brown 14246574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 14256574a5d5SLen Brown if (ratio) 1426b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 7 active cores\n", 14276574a5d5SLen Brown ratio, bclk, ratio * bclk); 14286574a5d5SLen Brown 14296574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 14306574a5d5SLen Brown if (ratio) 1431b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 6 active cores\n", 14326574a5d5SLen Brown ratio, bclk, ratio * bclk); 14336574a5d5SLen Brown 14346574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 14356574a5d5SLen Brown if (ratio) 1436b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 5 active cores\n", 14376574a5d5SLen Brown ratio, bclk, ratio * bclk); 14386574a5d5SLen Brown 1439103a8feaSLen Brown ratio = (msr >> 24) & 0xFF; 1440103a8feaSLen Brown if (ratio) 1441b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 4 active cores\n", 1442103a8feaSLen Brown ratio, bclk, ratio * bclk); 1443103a8feaSLen Brown 1444103a8feaSLen Brown ratio = (msr >> 16) & 0xFF; 1445103a8feaSLen Brown if (ratio) 1446b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 3 active cores\n", 1447103a8feaSLen Brown ratio, bclk, ratio * bclk); 1448103a8feaSLen Brown 1449103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1450103a8feaSLen Brown if (ratio) 1451b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 2 active cores\n", 1452103a8feaSLen Brown ratio, bclk, ratio * bclk); 1453103a8feaSLen Brown 1454103a8feaSLen Brown ratio = (msr >> 0) & 0xFF; 1455103a8feaSLen Brown if (ratio) 1456b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 1 active cores\n", 1457103a8feaSLen Brown ratio, bclk, ratio * bclk); 1458fcd17211SLen Brown return; 1459fcd17211SLen Brown } 14603a9a941dSLen Brown 1461fcd17211SLen Brown static void 1462fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(void) 1463fb5d4327SDasaratharaman Chandramouli { 1464cbf97abaSHubert Chrzaniuk const unsigned int buckets_no = 7; 1465cbf97abaSHubert Chrzaniuk 1466fb5d4327SDasaratharaman Chandramouli unsigned long long msr; 1467cbf97abaSHubert Chrzaniuk int delta_cores, delta_ratio; 1468cbf97abaSHubert Chrzaniuk int i, b_nr; 1469cbf97abaSHubert Chrzaniuk unsigned int cores[buckets_no]; 1470cbf97abaSHubert Chrzaniuk unsigned int ratio[buckets_no]; 1471fb5d4327SDasaratharaman Chandramouli 14727ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_TURBO_RATIO_LIMIT, &msr); 1473fb5d4327SDasaratharaman Chandramouli 1474b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", 1475bfae2052SLen Brown base_cpu, msr); 1476fb5d4327SDasaratharaman Chandramouli 1477fb5d4327SDasaratharaman Chandramouli /** 1478fb5d4327SDasaratharaman Chandramouli * Turbo encoding in KNL is as follows: 1479cbf97abaSHubert Chrzaniuk * [0] -- Reserved 1480cbf97abaSHubert Chrzaniuk * [7:1] -- Base value of number of active cores of bucket 1. 1481fb5d4327SDasaratharaman Chandramouli * [15:8] -- Base value of freq ratio of bucket 1. 1482fb5d4327SDasaratharaman Chandramouli * [20:16] -- +ve delta of number of active cores of bucket 2. 1483fb5d4327SDasaratharaman Chandramouli * i.e. active cores of bucket 2 = 1484fb5d4327SDasaratharaman Chandramouli * active cores of bucket 1 + delta 1485fb5d4327SDasaratharaman Chandramouli * [23:21] -- Negative delta of freq ratio of bucket 2. 1486fb5d4327SDasaratharaman Chandramouli * i.e. freq ratio of bucket 2 = 1487fb5d4327SDasaratharaman Chandramouli * freq ratio of bucket 1 - delta 1488fb5d4327SDasaratharaman Chandramouli * [28:24]-- +ve delta of number of active cores of bucket 3. 1489fb5d4327SDasaratharaman Chandramouli * [31:29]-- -ve delta of freq ratio of bucket 3. 1490fb5d4327SDasaratharaman Chandramouli * [36:32]-- +ve delta of number of active cores of bucket 4. 1491fb5d4327SDasaratharaman Chandramouli * [39:37]-- -ve delta of freq ratio of bucket 4. 1492fb5d4327SDasaratharaman Chandramouli * [44:40]-- +ve delta of number of active cores of bucket 5. 1493fb5d4327SDasaratharaman Chandramouli * [47:45]-- -ve delta of freq ratio of bucket 5. 1494fb5d4327SDasaratharaman Chandramouli * [52:48]-- +ve delta of number of active cores of bucket 6. 1495fb5d4327SDasaratharaman Chandramouli * [55:53]-- -ve delta of freq ratio of bucket 6. 1496fb5d4327SDasaratharaman Chandramouli * [60:56]-- +ve delta of number of active cores of bucket 7. 1497fb5d4327SDasaratharaman Chandramouli * [63:61]-- -ve delta of freq ratio of bucket 7. 1498fb5d4327SDasaratharaman Chandramouli */ 1499fb5d4327SDasaratharaman Chandramouli 1500cbf97abaSHubert Chrzaniuk b_nr = 0; 1501cbf97abaSHubert Chrzaniuk cores[b_nr] = (msr & 0xFF) >> 1; 1502cbf97abaSHubert Chrzaniuk ratio[b_nr] = (msr >> 8) & 0xFF; 1503cbf97abaSHubert Chrzaniuk 1504cbf97abaSHubert Chrzaniuk for (i = 16; i < 64; i += 8) { 1505fb5d4327SDasaratharaman Chandramouli delta_cores = (msr >> i) & 0x1F; 1506cbf97abaSHubert Chrzaniuk delta_ratio = (msr >> (i + 5)) & 0x7; 1507fb5d4327SDasaratharaman Chandramouli 1508cbf97abaSHubert Chrzaniuk cores[b_nr + 1] = cores[b_nr] + delta_cores; 1509cbf97abaSHubert Chrzaniuk ratio[b_nr + 1] = ratio[b_nr] - delta_ratio; 1510cbf97abaSHubert Chrzaniuk b_nr++; 1511cbf97abaSHubert Chrzaniuk } 1512cbf97abaSHubert Chrzaniuk 1513cbf97abaSHubert Chrzaniuk for (i = buckets_no - 1; i >= 0; i--) 1514cbf97abaSHubert Chrzaniuk if (i > 0 ? ratio[i] != ratio[i - 1] : 1) 1515b7d8c148SLen Brown fprintf(outf, 1516fb5d4327SDasaratharaman Chandramouli "%d * %.0f = %.0f MHz max turbo %d active cores\n", 1517cbf97abaSHubert Chrzaniuk ratio[i], bclk, ratio[i] * bclk, cores[i]); 1518fb5d4327SDasaratharaman Chandramouli } 1519fb5d4327SDasaratharaman Chandramouli 1520fb5d4327SDasaratharaman Chandramouli static void 1521fcd17211SLen Brown dump_nhm_cst_cfg(void) 1522fcd17211SLen Brown { 1523fcd17211SLen Brown unsigned long long msr; 1524fcd17211SLen Brown 15257ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1526fcd17211SLen Brown 1527fcd17211SLen Brown #define SNB_C1_AUTO_UNDEMOTE (1UL << 27) 1528fcd17211SLen Brown #define SNB_C3_AUTO_UNDEMOTE (1UL << 28) 1529fcd17211SLen Brown 1530b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", base_cpu, msr); 1531fcd17211SLen Brown 1532b7d8c148SLen Brown fprintf(outf, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n", 1533fcd17211SLen Brown (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "", 1534fcd17211SLen Brown (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "", 1535fcd17211SLen Brown (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "", 1536fcd17211SLen Brown (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "", 1537fcd17211SLen Brown (msr & (1 << 15)) ? "" : "UN", 15386c34f160SLen Brown (unsigned int)msr & 0xF, 1539fcd17211SLen Brown pkg_cstate_limit_strings[pkg_cstate_limit]); 1540fcd17211SLen Brown return; 1541103a8feaSLen Brown } 1542103a8feaSLen Brown 15436fb3143bSLen Brown static void 15446fb3143bSLen Brown dump_config_tdp(void) 15456fb3143bSLen Brown { 15466fb3143bSLen Brown unsigned long long msr; 15476fb3143bSLen Brown 15486fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr); 1549b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr); 1550685b535bSChen Yu fprintf(outf, " (base_ratio=%d)\n", (unsigned int)msr & 0xFF); 15516fb3143bSLen Brown 15526fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr); 1553b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr); 15546fb3143bSLen Brown if (msr) { 1555685b535bSChen Yu fprintf(outf, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0x7FFF); 1556685b535bSChen Yu fprintf(outf, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0x7FFF); 1557685b535bSChen Yu fprintf(outf, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF); 1558685b535bSChen Yu fprintf(outf, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0x7FFF); 15596fb3143bSLen Brown } 1560b7d8c148SLen Brown fprintf(outf, ")\n"); 15616fb3143bSLen Brown 15626fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr); 1563b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr); 15646fb3143bSLen Brown if (msr) { 1565685b535bSChen Yu fprintf(outf, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0x7FFF); 1566685b535bSChen Yu fprintf(outf, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0x7FFF); 1567685b535bSChen Yu fprintf(outf, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF); 1568685b535bSChen Yu fprintf(outf, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0x7FFF); 15696fb3143bSLen Brown } 1570b7d8c148SLen Brown fprintf(outf, ")\n"); 15716fb3143bSLen Brown 15726fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr); 1573b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr); 15746fb3143bSLen Brown if ((msr) & 0x3) 1575b7d8c148SLen Brown fprintf(outf, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3); 1576b7d8c148SLen Brown fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 1577b7d8c148SLen Brown fprintf(outf, ")\n"); 15786fb3143bSLen Brown 15796fb3143bSLen Brown get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr); 1580b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr); 1581685b535bSChen Yu fprintf(outf, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0xFF); 1582b7d8c148SLen Brown fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 1583b7d8c148SLen Brown fprintf(outf, ")\n"); 15846fb3143bSLen Brown } 15855a63426eSLen Brown 15865a63426eSLen Brown unsigned int irtl_time_units[] = {1, 32, 1024, 32768, 1048576, 33554432, 0, 0 }; 15875a63426eSLen Brown 15885a63426eSLen Brown void print_irtl(void) 15895a63426eSLen Brown { 15905a63426eSLen Brown unsigned long long msr; 15915a63426eSLen Brown 15925a63426eSLen Brown get_msr(base_cpu, MSR_PKGC3_IRTL, &msr); 15935a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC3_IRTL: 0x%08llx (", base_cpu, msr); 15945a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 15955a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 15965a63426eSLen Brown 15975a63426eSLen Brown get_msr(base_cpu, MSR_PKGC6_IRTL, &msr); 15985a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC6_IRTL: 0x%08llx (", base_cpu, msr); 15995a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 16005a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16015a63426eSLen Brown 16025a63426eSLen Brown get_msr(base_cpu, MSR_PKGC7_IRTL, &msr); 16035a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC7_IRTL: 0x%08llx (", base_cpu, msr); 16045a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 16055a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16065a63426eSLen Brown 16075a63426eSLen Brown if (!do_irtl_hsw) 16085a63426eSLen Brown return; 16095a63426eSLen Brown 16105a63426eSLen Brown get_msr(base_cpu, MSR_PKGC8_IRTL, &msr); 16115a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC8_IRTL: 0x%08llx (", base_cpu, msr); 16125a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 16135a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16145a63426eSLen Brown 16155a63426eSLen Brown get_msr(base_cpu, MSR_PKGC9_IRTL, &msr); 16165a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC9_IRTL: 0x%08llx (", base_cpu, msr); 16175a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 16185a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16195a63426eSLen Brown 16205a63426eSLen Brown get_msr(base_cpu, MSR_PKGC10_IRTL, &msr); 16215a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC10_IRTL: 0x%08llx (", base_cpu, msr); 16225a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 16235a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16245a63426eSLen Brown 16255a63426eSLen Brown } 162636229897SLen Brown void free_fd_percpu(void) 162736229897SLen Brown { 162836229897SLen Brown int i; 162936229897SLen Brown 163036229897SLen Brown for (i = 0; i < topo.max_cpu_num; ++i) { 163136229897SLen Brown if (fd_percpu[i] != 0) 163236229897SLen Brown close(fd_percpu[i]); 163336229897SLen Brown } 163436229897SLen Brown 163536229897SLen Brown free(fd_percpu); 163636229897SLen Brown } 16376fb3143bSLen Brown 1638c98d5d94SLen Brown void free_all_buffers(void) 1639103a8feaSLen Brown { 1640c98d5d94SLen Brown CPU_FREE(cpu_present_set); 1641c98d5d94SLen Brown cpu_present_set = NULL; 164236229897SLen Brown cpu_present_setsize = 0; 1643103a8feaSLen Brown 1644c98d5d94SLen Brown CPU_FREE(cpu_affinity_set); 1645c98d5d94SLen Brown cpu_affinity_set = NULL; 1646c98d5d94SLen Brown cpu_affinity_setsize = 0; 1647103a8feaSLen Brown 1648c98d5d94SLen Brown free(thread_even); 1649c98d5d94SLen Brown free(core_even); 1650c98d5d94SLen Brown free(package_even); 1651103a8feaSLen Brown 1652c98d5d94SLen Brown thread_even = NULL; 1653c98d5d94SLen Brown core_even = NULL; 1654c98d5d94SLen Brown package_even = NULL; 1655103a8feaSLen Brown 1656c98d5d94SLen Brown free(thread_odd); 1657c98d5d94SLen Brown free(core_odd); 1658c98d5d94SLen Brown free(package_odd); 1659103a8feaSLen Brown 1660c98d5d94SLen Brown thread_odd = NULL; 1661c98d5d94SLen Brown core_odd = NULL; 1662c98d5d94SLen Brown package_odd = NULL; 1663103a8feaSLen Brown 1664c98d5d94SLen Brown free(output_buffer); 1665c98d5d94SLen Brown output_buffer = NULL; 1666c98d5d94SLen Brown outp = NULL; 166736229897SLen Brown 166836229897SLen Brown free_fd_percpu(); 1669562a2d37SLen Brown 1670562a2d37SLen Brown free(irq_column_2_cpu); 1671562a2d37SLen Brown free(irqs_per_cpu); 1672103a8feaSLen Brown } 1673103a8feaSLen Brown 1674103a8feaSLen Brown /* 167557a42a34SJosh Triplett * Open a file, and exit on failure 167657a42a34SJosh Triplett */ 167757a42a34SJosh Triplett FILE *fopen_or_die(const char *path, const char *mode) 167857a42a34SJosh Triplett { 1679b7d8c148SLen Brown FILE *filep = fopen(path, mode); 1680b2c95d90SJosh Triplett if (!filep) 1681b2c95d90SJosh Triplett err(1, "%s: open failed", path); 168257a42a34SJosh Triplett return filep; 168357a42a34SJosh Triplett } 168457a42a34SJosh Triplett 168557a42a34SJosh Triplett /* 168695aebc44SJosh Triplett * Parse a file containing a single int. 168795aebc44SJosh Triplett */ 168895aebc44SJosh Triplett int parse_int_file(const char *fmt, ...) 168995aebc44SJosh Triplett { 169095aebc44SJosh Triplett va_list args; 169195aebc44SJosh Triplett char path[PATH_MAX]; 169295aebc44SJosh Triplett FILE *filep; 169395aebc44SJosh Triplett int value; 169495aebc44SJosh Triplett 169595aebc44SJosh Triplett va_start(args, fmt); 169695aebc44SJosh Triplett vsnprintf(path, sizeof(path), fmt, args); 169795aebc44SJosh Triplett va_end(args); 169857a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1699b2c95d90SJosh Triplett if (fscanf(filep, "%d", &value) != 1) 1700b2c95d90SJosh Triplett err(1, "%s: failed to parse number from file", path); 170195aebc44SJosh Triplett fclose(filep); 170295aebc44SJosh Triplett return value; 170395aebc44SJosh Triplett } 170495aebc44SJosh Triplett 170595aebc44SJosh Triplett /* 1706e275b388SDasaratharaman Chandramouli * get_cpu_position_in_core(cpu) 1707e275b388SDasaratharaman Chandramouli * return the position of the CPU among its HT siblings in the core 1708e275b388SDasaratharaman Chandramouli * return -1 if the sibling is not in list 1709103a8feaSLen Brown */ 1710e275b388SDasaratharaman Chandramouli int get_cpu_position_in_core(int cpu) 1711103a8feaSLen Brown { 1712e275b388SDasaratharaman Chandramouli char path[64]; 1713e275b388SDasaratharaman Chandramouli FILE *filep; 1714e275b388SDasaratharaman Chandramouli int this_cpu; 1715e275b388SDasaratharaman Chandramouli char character; 1716e275b388SDasaratharaman Chandramouli int i; 1717e275b388SDasaratharaman Chandramouli 1718e275b388SDasaratharaman Chandramouli sprintf(path, 1719e275b388SDasaratharaman Chandramouli "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", 1720e275b388SDasaratharaman Chandramouli cpu); 1721e275b388SDasaratharaman Chandramouli filep = fopen(path, "r"); 1722e275b388SDasaratharaman Chandramouli if (filep == NULL) { 1723e275b388SDasaratharaman Chandramouli perror(path); 1724e275b388SDasaratharaman Chandramouli exit(1); 1725e275b388SDasaratharaman Chandramouli } 1726e275b388SDasaratharaman Chandramouli 1727e275b388SDasaratharaman Chandramouli for (i = 0; i < topo.num_threads_per_core; i++) { 1728e275b388SDasaratharaman Chandramouli fscanf(filep, "%d", &this_cpu); 1729e275b388SDasaratharaman Chandramouli if (this_cpu == cpu) { 1730e275b388SDasaratharaman Chandramouli fclose(filep); 1731e275b388SDasaratharaman Chandramouli return i; 1732e275b388SDasaratharaman Chandramouli } 1733e275b388SDasaratharaman Chandramouli 1734e275b388SDasaratharaman Chandramouli /* Account for no separator after last thread*/ 1735e275b388SDasaratharaman Chandramouli if (i != (topo.num_threads_per_core - 1)) 1736e275b388SDasaratharaman Chandramouli fscanf(filep, "%c", &character); 1737e275b388SDasaratharaman Chandramouli } 1738e275b388SDasaratharaman Chandramouli 1739e275b388SDasaratharaman Chandramouli fclose(filep); 1740e275b388SDasaratharaman Chandramouli return -1; 1741c98d5d94SLen Brown } 1742103a8feaSLen Brown 1743c98d5d94SLen Brown /* 1744c98d5d94SLen Brown * cpu_is_first_core_in_package(cpu) 1745c98d5d94SLen Brown * return 1 if given CPU is 1st core in package 1746c98d5d94SLen Brown */ 1747c98d5d94SLen Brown int cpu_is_first_core_in_package(int cpu) 1748c98d5d94SLen Brown { 174995aebc44SJosh Triplett return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); 1750103a8feaSLen Brown } 1751103a8feaSLen Brown 1752103a8feaSLen Brown int get_physical_package_id(int cpu) 1753103a8feaSLen Brown { 175495aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); 1755103a8feaSLen Brown } 1756103a8feaSLen Brown 1757103a8feaSLen Brown int get_core_id(int cpu) 1758103a8feaSLen Brown { 175995aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); 1760103a8feaSLen Brown } 1761103a8feaSLen Brown 1762c98d5d94SLen Brown int get_num_ht_siblings(int cpu) 1763c98d5d94SLen Brown { 1764c98d5d94SLen Brown char path[80]; 1765c98d5d94SLen Brown FILE *filep; 1766e275b388SDasaratharaman Chandramouli int sib1; 1767e275b388SDasaratharaman Chandramouli int matches = 0; 1768c98d5d94SLen Brown char character; 1769e275b388SDasaratharaman Chandramouli char str[100]; 1770e275b388SDasaratharaman Chandramouli char *ch; 1771c98d5d94SLen Brown 1772c98d5d94SLen Brown sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); 177357a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1774e275b388SDasaratharaman Chandramouli 1775103a8feaSLen Brown /* 1776c98d5d94SLen Brown * file format: 1777e275b388SDasaratharaman Chandramouli * A ',' separated or '-' separated set of numbers 1778e275b388SDasaratharaman Chandramouli * (eg 1-2 or 1,3,4,5) 1779c98d5d94SLen Brown */ 1780e275b388SDasaratharaman Chandramouli fscanf(filep, "%d%c\n", &sib1, &character); 1781e275b388SDasaratharaman Chandramouli fseek(filep, 0, SEEK_SET); 1782e275b388SDasaratharaman Chandramouli fgets(str, 100, filep); 1783e275b388SDasaratharaman Chandramouli ch = strchr(str, character); 1784e275b388SDasaratharaman Chandramouli while (ch != NULL) { 1785e275b388SDasaratharaman Chandramouli matches++; 1786e275b388SDasaratharaman Chandramouli ch = strchr(ch+1, character); 1787e275b388SDasaratharaman Chandramouli } 1788c98d5d94SLen Brown 1789c98d5d94SLen Brown fclose(filep); 1790e275b388SDasaratharaman Chandramouli return matches+1; 1791c98d5d94SLen Brown } 1792c98d5d94SLen Brown 1793c98d5d94SLen Brown /* 1794c98d5d94SLen Brown * run func(thread, core, package) in topology order 1795c98d5d94SLen Brown * skip non-present cpus 1796103a8feaSLen Brown */ 1797103a8feaSLen Brown 1798c98d5d94SLen Brown int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *, 1799c98d5d94SLen Brown struct pkg_data *, struct thread_data *, struct core_data *, 1800c98d5d94SLen Brown struct pkg_data *), struct thread_data *thread_base, 1801c98d5d94SLen Brown struct core_data *core_base, struct pkg_data *pkg_base, 1802c98d5d94SLen Brown struct thread_data *thread_base2, struct core_data *core_base2, 1803c98d5d94SLen Brown struct pkg_data *pkg_base2) 1804c98d5d94SLen Brown { 1805c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 1806c98d5d94SLen Brown 1807c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 1808c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 1809c98d5d94SLen Brown for (thread_no = 0; thread_no < 1810c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 1811c98d5d94SLen Brown struct thread_data *t, *t2; 1812c98d5d94SLen Brown struct core_data *c, *c2; 1813c98d5d94SLen Brown struct pkg_data *p, *p2; 1814c98d5d94SLen Brown 1815c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 1816c98d5d94SLen Brown 1817c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 1818c98d5d94SLen Brown continue; 1819c98d5d94SLen Brown 1820c98d5d94SLen Brown t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no); 1821c98d5d94SLen Brown 1822c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 1823c98d5d94SLen Brown c2 = GET_CORE(core_base2, core_no, pkg_no); 1824c98d5d94SLen Brown 1825c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 1826c98d5d94SLen Brown p2 = GET_PKG(pkg_base2, pkg_no); 1827c98d5d94SLen Brown 1828c98d5d94SLen Brown retval = func(t, c, p, t2, c2, p2); 1829c98d5d94SLen Brown if (retval) 1830c98d5d94SLen Brown return retval; 1831c98d5d94SLen Brown } 1832c98d5d94SLen Brown } 1833c98d5d94SLen Brown } 1834c98d5d94SLen Brown return 0; 1835c98d5d94SLen Brown } 1836c98d5d94SLen Brown 1837c98d5d94SLen Brown /* 1838c98d5d94SLen Brown * run func(cpu) on every cpu in /proc/stat 1839c98d5d94SLen Brown * return max_cpu number 1840c98d5d94SLen Brown */ 1841c98d5d94SLen Brown int for_all_proc_cpus(int (func)(int)) 1842103a8feaSLen Brown { 1843103a8feaSLen Brown FILE *fp; 1844c98d5d94SLen Brown int cpu_num; 1845103a8feaSLen Brown int retval; 1846103a8feaSLen Brown 184757a42a34SJosh Triplett fp = fopen_or_die(proc_stat, "r"); 1848103a8feaSLen Brown 1849103a8feaSLen Brown retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n"); 1850b2c95d90SJosh Triplett if (retval != 0) 1851b2c95d90SJosh Triplett err(1, "%s: failed to parse format", proc_stat); 1852103a8feaSLen Brown 1853c98d5d94SLen Brown while (1) { 1854c98d5d94SLen Brown retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num); 1855103a8feaSLen Brown if (retval != 1) 1856103a8feaSLen Brown break; 1857103a8feaSLen Brown 1858c98d5d94SLen Brown retval = func(cpu_num); 1859c98d5d94SLen Brown if (retval) { 1860c98d5d94SLen Brown fclose(fp); 1861c98d5d94SLen Brown return(retval); 1862c98d5d94SLen Brown } 1863103a8feaSLen Brown } 1864103a8feaSLen Brown fclose(fp); 1865c98d5d94SLen Brown return 0; 1866103a8feaSLen Brown } 1867103a8feaSLen Brown 1868103a8feaSLen Brown void re_initialize(void) 1869103a8feaSLen Brown { 1870c98d5d94SLen Brown free_all_buffers(); 1871c98d5d94SLen Brown setup_all_buffers(); 1872c98d5d94SLen Brown printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus); 1873103a8feaSLen Brown } 1874103a8feaSLen Brown 1875c98d5d94SLen Brown 1876103a8feaSLen Brown /* 1877c98d5d94SLen Brown * count_cpus() 1878c98d5d94SLen Brown * remember the last one seen, it will be the max 1879103a8feaSLen Brown */ 1880c98d5d94SLen Brown int count_cpus(int cpu) 1881103a8feaSLen Brown { 1882c98d5d94SLen Brown if (topo.max_cpu_num < cpu) 1883c98d5d94SLen Brown topo.max_cpu_num = cpu; 1884103a8feaSLen Brown 1885c98d5d94SLen Brown topo.num_cpus += 1; 1886c98d5d94SLen Brown return 0; 1887103a8feaSLen Brown } 1888c98d5d94SLen Brown int mark_cpu_present(int cpu) 1889c98d5d94SLen Brown { 1890c98d5d94SLen Brown CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set); 189115aaa346SLen Brown return 0; 1892103a8feaSLen Brown } 1893103a8feaSLen Brown 1894562a2d37SLen Brown /* 1895562a2d37SLen Brown * snapshot_proc_interrupts() 1896562a2d37SLen Brown * 1897562a2d37SLen Brown * read and record summary of /proc/interrupts 1898562a2d37SLen Brown * 1899562a2d37SLen Brown * return 1 if config change requires a restart, else return 0 1900562a2d37SLen Brown */ 1901562a2d37SLen Brown int snapshot_proc_interrupts(void) 1902562a2d37SLen Brown { 1903562a2d37SLen Brown static FILE *fp; 1904562a2d37SLen Brown int column, retval; 1905562a2d37SLen Brown 1906562a2d37SLen Brown if (fp == NULL) 1907562a2d37SLen Brown fp = fopen_or_die("/proc/interrupts", "r"); 1908562a2d37SLen Brown else 1909562a2d37SLen Brown rewind(fp); 1910562a2d37SLen Brown 1911562a2d37SLen Brown /* read 1st line of /proc/interrupts to get cpu* name for each column */ 1912562a2d37SLen Brown for (column = 0; column < topo.num_cpus; ++column) { 1913562a2d37SLen Brown int cpu_number; 1914562a2d37SLen Brown 1915562a2d37SLen Brown retval = fscanf(fp, " CPU%d", &cpu_number); 1916562a2d37SLen Brown if (retval != 1) 1917562a2d37SLen Brown break; 1918562a2d37SLen Brown 1919562a2d37SLen Brown if (cpu_number > topo.max_cpu_num) { 1920562a2d37SLen Brown warn("/proc/interrupts: cpu%d: > %d", cpu_number, topo.max_cpu_num); 1921562a2d37SLen Brown return 1; 1922562a2d37SLen Brown } 1923562a2d37SLen Brown 1924562a2d37SLen Brown irq_column_2_cpu[column] = cpu_number; 1925562a2d37SLen Brown irqs_per_cpu[cpu_number] = 0; 1926562a2d37SLen Brown } 1927562a2d37SLen Brown 1928562a2d37SLen Brown /* read /proc/interrupt count lines and sum up irqs per cpu */ 1929562a2d37SLen Brown while (1) { 1930562a2d37SLen Brown int column; 1931562a2d37SLen Brown char buf[64]; 1932562a2d37SLen Brown 1933562a2d37SLen Brown retval = fscanf(fp, " %s:", buf); /* flush irq# "N:" */ 1934562a2d37SLen Brown if (retval != 1) 1935562a2d37SLen Brown break; 1936562a2d37SLen Brown 1937562a2d37SLen Brown /* read the count per cpu */ 1938562a2d37SLen Brown for (column = 0; column < topo.num_cpus; ++column) { 1939562a2d37SLen Brown 1940562a2d37SLen Brown int cpu_number, irq_count; 1941562a2d37SLen Brown 1942562a2d37SLen Brown retval = fscanf(fp, " %d", &irq_count); 1943562a2d37SLen Brown if (retval != 1) 1944562a2d37SLen Brown break; 1945562a2d37SLen Brown 1946562a2d37SLen Brown cpu_number = irq_column_2_cpu[column]; 1947562a2d37SLen Brown irqs_per_cpu[cpu_number] += irq_count; 1948562a2d37SLen Brown 1949562a2d37SLen Brown } 1950562a2d37SLen Brown 1951562a2d37SLen Brown while (getc(fp) != '\n') 1952562a2d37SLen Brown ; /* flush interrupt description */ 1953562a2d37SLen Brown 1954562a2d37SLen Brown } 1955562a2d37SLen Brown return 0; 1956562a2d37SLen Brown } 195727d47356SLen Brown /* 1958fdf676e5SLen Brown * snapshot_gfx_rc6_ms() 1959fdf676e5SLen Brown * 1960fdf676e5SLen Brown * record snapshot of 1961fdf676e5SLen Brown * /sys/class/drm/card0/power/rc6_residency_ms 1962fdf676e5SLen Brown * 1963fdf676e5SLen Brown * return 1 if config change requires a restart, else return 0 1964fdf676e5SLen Brown */ 1965fdf676e5SLen Brown int snapshot_gfx_rc6_ms(void) 1966fdf676e5SLen Brown { 1967fdf676e5SLen Brown FILE *fp; 1968fdf676e5SLen Brown int retval; 1969fdf676e5SLen Brown 1970fdf676e5SLen Brown fp = fopen_or_die("/sys/class/drm/card0/power/rc6_residency_ms", "r"); 1971fdf676e5SLen Brown 1972fdf676e5SLen Brown retval = fscanf(fp, "%lld", &gfx_cur_rc6_ms); 1973fdf676e5SLen Brown if (retval != 1) 1974fdf676e5SLen Brown err(1, "GFX rc6"); 1975fdf676e5SLen Brown 1976fdf676e5SLen Brown fclose(fp); 1977fdf676e5SLen Brown 1978fdf676e5SLen Brown return 0; 1979fdf676e5SLen Brown } 1980fdf676e5SLen Brown /* 198127d47356SLen Brown * snapshot_gfx_mhz() 198227d47356SLen Brown * 198327d47356SLen Brown * record snapshot of 198427d47356SLen Brown * /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz 198527d47356SLen Brown * 198627d47356SLen Brown * return 1 if config change requires a restart, else return 0 198727d47356SLen Brown */ 198827d47356SLen Brown int snapshot_gfx_mhz(void) 198927d47356SLen Brown { 199027d47356SLen Brown static FILE *fp; 199127d47356SLen Brown int retval; 199227d47356SLen Brown 199327d47356SLen Brown if (fp == NULL) 199427d47356SLen Brown fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r"); 199527d47356SLen Brown else 199627d47356SLen Brown rewind(fp); 199727d47356SLen Brown 199827d47356SLen Brown retval = fscanf(fp, "%d", &gfx_cur_mhz); 199927d47356SLen Brown if (retval != 1) 200027d47356SLen Brown err(1, "GFX MHz"); 200127d47356SLen Brown 200227d47356SLen Brown return 0; 200327d47356SLen Brown } 2004562a2d37SLen Brown 2005562a2d37SLen Brown /* 2006562a2d37SLen Brown * snapshot /proc and /sys files 2007562a2d37SLen Brown * 2008562a2d37SLen Brown * return 1 if configuration restart needed, else return 0 2009562a2d37SLen Brown */ 2010562a2d37SLen Brown int snapshot_proc_sysfs_files(void) 2011562a2d37SLen Brown { 2012562a2d37SLen Brown if (snapshot_proc_interrupts()) 2013562a2d37SLen Brown return 1; 2014562a2d37SLen Brown 2015fdf676e5SLen Brown if (do_gfx_rc6_ms) 2016fdf676e5SLen Brown snapshot_gfx_rc6_ms(); 2017fdf676e5SLen Brown 201827d47356SLen Brown if (do_gfx_mhz) 201927d47356SLen Brown snapshot_gfx_mhz(); 202027d47356SLen Brown 2021562a2d37SLen Brown return 0; 2022562a2d37SLen Brown } 2023562a2d37SLen Brown 2024103a8feaSLen Brown void turbostat_loop() 2025103a8feaSLen Brown { 2026c98d5d94SLen Brown int retval; 2027e52966c0SLen Brown int restarted = 0; 2028c98d5d94SLen Brown 2029103a8feaSLen Brown restart: 2030e52966c0SLen Brown restarted++; 2031e52966c0SLen Brown 2032562a2d37SLen Brown snapshot_proc_sysfs_files(); 2033c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 2034d91bb17cSLen Brown if (retval < -1) { 2035d91bb17cSLen Brown exit(retval); 2036d91bb17cSLen Brown } else if (retval == -1) { 2037e52966c0SLen Brown if (restarted > 1) { 2038e52966c0SLen Brown exit(retval); 2039e52966c0SLen Brown } 2040c98d5d94SLen Brown re_initialize(); 2041c98d5d94SLen Brown goto restart; 2042c98d5d94SLen Brown } 2043e52966c0SLen Brown restarted = 0; 2044103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 2045103a8feaSLen Brown 2046103a8feaSLen Brown while (1) { 2047c98d5d94SLen Brown if (for_all_proc_cpus(cpu_is_not_present)) { 2048103a8feaSLen Brown re_initialize(); 2049103a8feaSLen Brown goto restart; 2050103a8feaSLen Brown } 20512a0609c0SLen Brown nanosleep(&interval_ts, NULL); 2052562a2d37SLen Brown if (snapshot_proc_sysfs_files()) 2053562a2d37SLen Brown goto restart; 2054c98d5d94SLen Brown retval = for_all_cpus(get_counters, ODD_COUNTERS); 2055d91bb17cSLen Brown if (retval < -1) { 2056d91bb17cSLen Brown exit(retval); 2057d91bb17cSLen Brown } else if (retval == -1) { 205815aaa346SLen Brown re_initialize(); 205915aaa346SLen Brown goto restart; 206015aaa346SLen Brown } 2061103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 2062103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 2063c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 2064c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 2065c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 2066b7d8c148SLen Brown flush_output_stdout(); 20672a0609c0SLen Brown nanosleep(&interval_ts, NULL); 2068562a2d37SLen Brown if (snapshot_proc_sysfs_files()) 2069562a2d37SLen Brown goto restart; 2070c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 2071d91bb17cSLen Brown if (retval < -1) { 2072d91bb17cSLen Brown exit(retval); 2073d91bb17cSLen Brown } else if (retval == -1) { 2074103a8feaSLen Brown re_initialize(); 2075103a8feaSLen Brown goto restart; 2076103a8feaSLen Brown } 2077103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 2078103a8feaSLen Brown timersub(&tv_even, &tv_odd, &tv_delta); 2079c98d5d94SLen Brown for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS); 2080c98d5d94SLen Brown compute_average(ODD_COUNTERS); 2081c98d5d94SLen Brown format_all_counters(ODD_COUNTERS); 2082b7d8c148SLen Brown flush_output_stdout(); 2083103a8feaSLen Brown } 2084103a8feaSLen Brown } 2085103a8feaSLen Brown 2086103a8feaSLen Brown void check_dev_msr() 2087103a8feaSLen Brown { 2088103a8feaSLen Brown struct stat sb; 20897ce7d5deSPrarit Bhargava char pathname[32]; 2090103a8feaSLen Brown 20917ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 20927ce7d5deSPrarit Bhargava if (stat(pathname, &sb)) 2093a21d38c8SLen Brown if (system("/sbin/modprobe msr > /dev/null 2>&1")) 2094d7899447SLen Brown err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" "); 2095103a8feaSLen Brown } 2096103a8feaSLen Brown 209798481e79SLen Brown void check_permissions() 2098103a8feaSLen Brown { 209998481e79SLen Brown struct __user_cap_header_struct cap_header_data; 210098481e79SLen Brown cap_user_header_t cap_header = &cap_header_data; 210198481e79SLen Brown struct __user_cap_data_struct cap_data_data; 210298481e79SLen Brown cap_user_data_t cap_data = &cap_data_data; 210398481e79SLen Brown extern int capget(cap_user_header_t hdrp, cap_user_data_t datap); 210498481e79SLen Brown int do_exit = 0; 21057ce7d5deSPrarit Bhargava char pathname[32]; 210698481e79SLen Brown 210798481e79SLen Brown /* check for CAP_SYS_RAWIO */ 210898481e79SLen Brown cap_header->pid = getpid(); 210998481e79SLen Brown cap_header->version = _LINUX_CAPABILITY_VERSION; 211098481e79SLen Brown if (capget(cap_header, cap_data) < 0) 211198481e79SLen Brown err(-6, "capget(2) failed"); 211298481e79SLen Brown 211398481e79SLen Brown if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) { 211498481e79SLen Brown do_exit++; 211598481e79SLen Brown warnx("capget(CAP_SYS_RAWIO) failed," 211698481e79SLen Brown " try \"# setcap cap_sys_rawio=ep %s\"", progname); 211798481e79SLen Brown } 211898481e79SLen Brown 211998481e79SLen Brown /* test file permissions */ 21207ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 21217ce7d5deSPrarit Bhargava if (euidaccess(pathname, R_OK)) { 212298481e79SLen Brown do_exit++; 212398481e79SLen Brown warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr"); 212498481e79SLen Brown } 212598481e79SLen Brown 212698481e79SLen Brown /* if all else fails, thell them to be root */ 212798481e79SLen Brown if (do_exit) 2128b2c95d90SJosh Triplett if (getuid() != 0) 2129d7899447SLen Brown warnx("... or simply run as root"); 213098481e79SLen Brown 213198481e79SLen Brown if (do_exit) 213298481e79SLen Brown exit(-6); 2133103a8feaSLen Brown } 2134103a8feaSLen Brown 2135d7899447SLen Brown /* 2136d7899447SLen Brown * NHM adds support for additional MSRs: 2137d7899447SLen Brown * 2138d7899447SLen Brown * MSR_SMI_COUNT 0x00000034 2139d7899447SLen Brown * 2140ec0adc53SLen Brown * MSR_PLATFORM_INFO 0x000000ce 2141d7899447SLen Brown * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2 2142d7899447SLen Brown * 2143d7899447SLen Brown * MSR_PKG_C3_RESIDENCY 0x000003f8 2144d7899447SLen Brown * MSR_PKG_C6_RESIDENCY 0x000003f9 2145d7899447SLen Brown * MSR_CORE_C3_RESIDENCY 0x000003fc 2146d7899447SLen Brown * MSR_CORE_C6_RESIDENCY 0x000003fd 2147d7899447SLen Brown * 2148ee7e38e3SLen Brown * Side effect: 2149ee7e38e3SLen Brown * sets global pkg_cstate_limit to decode MSR_NHM_SNB_PKG_CST_CFG_CTL 2150d7899447SLen Brown */ 2151ee7e38e3SLen Brown int probe_nhm_msrs(unsigned int family, unsigned int model) 2152103a8feaSLen Brown { 2153ee7e38e3SLen Brown unsigned long long msr; 215421ed5574SLen Brown unsigned int base_ratio; 2155ee7e38e3SLen Brown int *pkg_cstate_limits; 2156ee7e38e3SLen Brown 2157103a8feaSLen Brown if (!genuine_intel) 2158103a8feaSLen Brown return 0; 2159103a8feaSLen Brown 2160103a8feaSLen Brown if (family != 6) 2161103a8feaSLen Brown return 0; 2162103a8feaSLen Brown 216321ed5574SLen Brown bclk = discover_bclk(family, model); 216421ed5574SLen Brown 2165103a8feaSLen Brown switch (model) { 2166103a8feaSLen Brown case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */ 2167103a8feaSLen Brown case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ 2168103a8feaSLen Brown case 0x1F: /* Core i7 and i5 Processor - Nehalem */ 2169103a8feaSLen Brown case 0x25: /* Westmere Client - Clarkdale, Arrandale */ 2170103a8feaSLen Brown case 0x2C: /* Westmere EP - Gulftown */ 2171ee7e38e3SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 2172ee7e38e3SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 2173ee7e38e3SLen Brown pkg_cstate_limits = nhm_pkg_cstate_limits; 2174ee7e38e3SLen Brown break; 2175103a8feaSLen Brown case 0x2A: /* SNB */ 2176103a8feaSLen Brown case 0x2D: /* SNB Xeon */ 2177553575f1SLen Brown case 0x3A: /* IVB */ 21781300651bSLen Brown case 0x3E: /* IVB Xeon */ 2179ee7e38e3SLen Brown pkg_cstate_limits = snb_pkg_cstate_limits; 2180ee7e38e3SLen Brown break; 218170b43400SLen Brown case 0x3C: /* HSW */ 2182e6f9bb3cSLen Brown case 0x3F: /* HSX */ 218370b43400SLen Brown case 0x45: /* HSW */ 2184149c2319SLen Brown case 0x46: /* HSW */ 21854e8e863fSLen Brown case 0x3D: /* BDW */ 218648a0631cSLen Brown case 0x47: /* BDW */ 21874e8e863fSLen Brown case 0x4F: /* BDX */ 21884e8e863fSLen Brown case 0x56: /* BDX-DE */ 21890b2bb692SLen Brown case 0x4E: /* SKL */ 21900b2bb692SLen Brown case 0x5E: /* SKL */ 2191ee7e38e3SLen Brown pkg_cstate_limits = hsw_pkg_cstate_limits; 2192ee7e38e3SLen Brown break; 2193ee7e38e3SLen Brown case 0x37: /* BYT */ 2194ee7e38e3SLen Brown case 0x4D: /* AVN */ 2195ee7e38e3SLen Brown pkg_cstate_limits = slv_pkg_cstate_limits; 2196ee7e38e3SLen Brown break; 2197ee7e38e3SLen Brown case 0x4C: /* AMT */ 2198ee7e38e3SLen Brown pkg_cstate_limits = amt_pkg_cstate_limits; 2199ee7e38e3SLen Brown break; 2200ee7e38e3SLen Brown case 0x57: /* PHI */ 2201ee7e38e3SLen Brown pkg_cstate_limits = phi_pkg_cstate_limits; 2202ee7e38e3SLen Brown break; 2203*e4085d54SLen Brown case 0x5C: /* BXT */ 2204*e4085d54SLen Brown pkg_cstate_limits = bxt_pkg_cstate_limits; 2205*e4085d54SLen Brown break; 2206103a8feaSLen Brown default: 2207103a8feaSLen Brown return 0; 2208103a8feaSLen Brown } 22097ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 2210e9257f5fSLen Brown pkg_cstate_limit = pkg_cstate_limits[msr & 0xF]; 2211ee7e38e3SLen Brown 2212ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 221321ed5574SLen Brown base_ratio = (msr >> 8) & 0xFF; 221421ed5574SLen Brown 221521ed5574SLen Brown base_hz = base_ratio * bclk * 1000000; 221621ed5574SLen Brown has_base_hz = 1; 2217ee7e38e3SLen Brown return 1; 2218103a8feaSLen Brown } 2219d7899447SLen Brown int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model) 2220d7899447SLen Brown { 2221d7899447SLen Brown switch (model) { 2222d7899447SLen Brown /* Nehalem compatible, but do not include turbo-ratio limit support */ 2223d7899447SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 2224d7899447SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 2225cbf97abaSHubert Chrzaniuk case 0x57: /* PHI - Knights Landing (different MSR definition) */ 2226d7899447SLen Brown return 0; 2227d7899447SLen Brown default: 2228d7899447SLen Brown return 1; 2229d7899447SLen Brown } 2230d7899447SLen Brown } 22316574a5d5SLen Brown int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model) 22326574a5d5SLen Brown { 22336574a5d5SLen Brown if (!genuine_intel) 22346574a5d5SLen Brown return 0; 22356574a5d5SLen Brown 22366574a5d5SLen Brown if (family != 6) 22376574a5d5SLen Brown return 0; 22386574a5d5SLen Brown 22396574a5d5SLen Brown switch (model) { 22406574a5d5SLen Brown case 0x3E: /* IVB Xeon */ 2241fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 22426574a5d5SLen Brown return 1; 22436574a5d5SLen Brown default: 22446574a5d5SLen Brown return 0; 22456574a5d5SLen Brown } 22466574a5d5SLen Brown } 2247fcd17211SLen Brown int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model) 2248fcd17211SLen Brown { 2249fcd17211SLen Brown if (!genuine_intel) 2250fcd17211SLen Brown return 0; 2251fcd17211SLen Brown 2252fcd17211SLen Brown if (family != 6) 2253fcd17211SLen Brown return 0; 2254fcd17211SLen Brown 2255fcd17211SLen Brown switch (model) { 2256fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 2257fcd17211SLen Brown return 1; 2258fcd17211SLen Brown default: 2259fcd17211SLen Brown return 0; 2260fcd17211SLen Brown } 2261fcd17211SLen Brown } 2262fcd17211SLen Brown 2263fb5d4327SDasaratharaman Chandramouli int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model) 2264fb5d4327SDasaratharaman Chandramouli { 2265fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 2266fb5d4327SDasaratharaman Chandramouli return 0; 2267fb5d4327SDasaratharaman Chandramouli 2268fb5d4327SDasaratharaman Chandramouli if (family != 6) 2269fb5d4327SDasaratharaman Chandramouli return 0; 2270fb5d4327SDasaratharaman Chandramouli 2271fb5d4327SDasaratharaman Chandramouli switch (model) { 2272fb5d4327SDasaratharaman Chandramouli case 0x57: /* Knights Landing */ 2273fb5d4327SDasaratharaman Chandramouli return 1; 2274fb5d4327SDasaratharaman Chandramouli default: 2275fb5d4327SDasaratharaman Chandramouli return 0; 2276fb5d4327SDasaratharaman Chandramouli } 2277fb5d4327SDasaratharaman Chandramouli } 22786fb3143bSLen Brown int has_config_tdp(unsigned int family, unsigned int model) 22796fb3143bSLen Brown { 22806fb3143bSLen Brown if (!genuine_intel) 22816fb3143bSLen Brown return 0; 22826fb3143bSLen Brown 22836fb3143bSLen Brown if (family != 6) 22846fb3143bSLen Brown return 0; 22856fb3143bSLen Brown 22866fb3143bSLen Brown switch (model) { 22876fb3143bSLen Brown case 0x3A: /* IVB */ 22886fb3143bSLen Brown case 0x3C: /* HSW */ 22896fb3143bSLen Brown case 0x3F: /* HSX */ 22906fb3143bSLen Brown case 0x45: /* HSW */ 22916fb3143bSLen Brown case 0x46: /* HSW */ 22926fb3143bSLen Brown case 0x3D: /* BDW */ 22936fb3143bSLen Brown case 0x47: /* BDW */ 22946fb3143bSLen Brown case 0x4F: /* BDX */ 22956fb3143bSLen Brown case 0x56: /* BDX-DE */ 22966fb3143bSLen Brown case 0x4E: /* SKL */ 22976fb3143bSLen Brown case 0x5E: /* SKL */ 22986fb3143bSLen Brown 22996fb3143bSLen Brown case 0x57: /* Knights Landing */ 23006fb3143bSLen Brown return 1; 23016fb3143bSLen Brown default: 23026fb3143bSLen Brown return 0; 23036fb3143bSLen Brown } 23046fb3143bSLen Brown } 23056fb3143bSLen Brown 2306fcd17211SLen Brown static void 230758cc30a4SLen Brown dump_cstate_pstate_config_info(int family, int model) 2308fcd17211SLen Brown { 2309fcd17211SLen Brown if (!do_nhm_platform_info) 2310fcd17211SLen Brown return; 2311fcd17211SLen Brown 2312fcd17211SLen Brown dump_nhm_platform_info(); 2313fcd17211SLen Brown 2314fcd17211SLen Brown if (has_hsw_turbo_ratio_limit(family, model)) 2315fcd17211SLen Brown dump_hsw_turbo_ratio_limits(); 2316fcd17211SLen Brown 2317fcd17211SLen Brown if (has_ivt_turbo_ratio_limit(family, model)) 2318fcd17211SLen Brown dump_ivt_turbo_ratio_limits(); 2319fcd17211SLen Brown 2320fcd17211SLen Brown if (has_nhm_turbo_ratio_limit(family, model)) 2321fcd17211SLen Brown dump_nhm_turbo_ratio_limits(); 2322fcd17211SLen Brown 2323fb5d4327SDasaratharaman Chandramouli if (has_knl_turbo_ratio_limit(family, model)) 2324fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(); 2325fb5d4327SDasaratharaman Chandramouli 23266fb3143bSLen Brown if (has_config_tdp(family, model)) 23276fb3143bSLen Brown dump_config_tdp(); 23286fb3143bSLen Brown 2329fcd17211SLen Brown dump_nhm_cst_cfg(); 2330fcd17211SLen Brown } 2331fcd17211SLen Brown 23326574a5d5SLen Brown 2333889facbeSLen Brown /* 2334889facbeSLen Brown * print_epb() 2335889facbeSLen Brown * Decode the ENERGY_PERF_BIAS MSR 2336889facbeSLen Brown */ 2337889facbeSLen Brown int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2338889facbeSLen Brown { 2339889facbeSLen Brown unsigned long long msr; 2340889facbeSLen Brown char *epb_string; 2341889facbeSLen Brown int cpu; 2342889facbeSLen Brown 2343889facbeSLen Brown if (!has_epb) 2344889facbeSLen Brown return 0; 2345889facbeSLen Brown 2346889facbeSLen Brown cpu = t->cpu_id; 2347889facbeSLen Brown 2348889facbeSLen Brown /* EPB is per-package */ 2349889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2350889facbeSLen Brown return 0; 2351889facbeSLen Brown 2352889facbeSLen Brown if (cpu_migrate(cpu)) { 2353b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2354889facbeSLen Brown return -1; 2355889facbeSLen Brown } 2356889facbeSLen Brown 2357889facbeSLen Brown if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr)) 2358889facbeSLen Brown return 0; 2359889facbeSLen Brown 2360e9be7dd6SLen Brown switch (msr & 0xF) { 2361889facbeSLen Brown case ENERGY_PERF_BIAS_PERFORMANCE: 2362889facbeSLen Brown epb_string = "performance"; 2363889facbeSLen Brown break; 2364889facbeSLen Brown case ENERGY_PERF_BIAS_NORMAL: 2365889facbeSLen Brown epb_string = "balanced"; 2366889facbeSLen Brown break; 2367889facbeSLen Brown case ENERGY_PERF_BIAS_POWERSAVE: 2368889facbeSLen Brown epb_string = "powersave"; 2369889facbeSLen Brown break; 2370889facbeSLen Brown default: 2371889facbeSLen Brown epb_string = "custom"; 2372889facbeSLen Brown break; 2373889facbeSLen Brown } 2374b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string); 2375889facbeSLen Brown 2376889facbeSLen Brown return 0; 2377889facbeSLen Brown } 23787f5c258eSLen Brown /* 23797f5c258eSLen Brown * print_hwp() 23807f5c258eSLen Brown * Decode the MSR_HWP_CAPABILITIES 23817f5c258eSLen Brown */ 23827f5c258eSLen Brown int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) 23837f5c258eSLen Brown { 23847f5c258eSLen Brown unsigned long long msr; 23857f5c258eSLen Brown int cpu; 23867f5c258eSLen Brown 23877f5c258eSLen Brown if (!has_hwp) 23887f5c258eSLen Brown return 0; 23897f5c258eSLen Brown 23907f5c258eSLen Brown cpu = t->cpu_id; 23917f5c258eSLen Brown 23927f5c258eSLen Brown /* MSR_HWP_CAPABILITIES is per-package */ 23937f5c258eSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 23947f5c258eSLen Brown return 0; 23957f5c258eSLen Brown 23967f5c258eSLen Brown if (cpu_migrate(cpu)) { 2397b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 23987f5c258eSLen Brown return -1; 23997f5c258eSLen Brown } 24007f5c258eSLen Brown 24017f5c258eSLen Brown if (get_msr(cpu, MSR_PM_ENABLE, &msr)) 24027f5c258eSLen Brown return 0; 24037f5c258eSLen Brown 2404b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PM_ENABLE: 0x%08llx (%sHWP)\n", 24057f5c258eSLen Brown cpu, msr, (msr & (1 << 0)) ? "" : "No-"); 24067f5c258eSLen Brown 24077f5c258eSLen Brown /* MSR_PM_ENABLE[1] == 1 if HWP is enabled and MSRs visible */ 24087f5c258eSLen Brown if ((msr & (1 << 0)) == 0) 24097f5c258eSLen Brown return 0; 24107f5c258eSLen Brown 24117f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_CAPABILITIES, &msr)) 24127f5c258eSLen Brown return 0; 24137f5c258eSLen Brown 2414b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_CAPABILITIES: 0x%08llx " 24157f5c258eSLen Brown "(high 0x%x guar 0x%x eff 0x%x low 0x%x)\n", 24167f5c258eSLen Brown cpu, msr, 24177f5c258eSLen Brown (unsigned int)HWP_HIGHEST_PERF(msr), 24187f5c258eSLen Brown (unsigned int)HWP_GUARANTEED_PERF(msr), 24197f5c258eSLen Brown (unsigned int)HWP_MOSTEFFICIENT_PERF(msr), 24207f5c258eSLen Brown (unsigned int)HWP_LOWEST_PERF(msr)); 24217f5c258eSLen Brown 24227f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST, &msr)) 24237f5c258eSLen Brown return 0; 24247f5c258eSLen Brown 2425b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_REQUEST: 0x%08llx " 24267f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x pkg 0x%x)\n", 24277f5c258eSLen Brown cpu, msr, 24287f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 24297f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 24307f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 24317f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 24327f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3), 24337f5c258eSLen Brown (unsigned int)(((msr) >> 42) & 0x1)); 24347f5c258eSLen Brown 24357f5c258eSLen Brown if (has_hwp_pkg) { 24367f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST_PKG, &msr)) 24377f5c258eSLen Brown return 0; 24387f5c258eSLen Brown 2439b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_REQUEST_PKG: 0x%08llx " 24407f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x)\n", 24417f5c258eSLen Brown cpu, msr, 24427f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 24437f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 24447f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 24457f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 24467f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3)); 24477f5c258eSLen Brown } 24487f5c258eSLen Brown if (has_hwp_notify) { 24497f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_INTERRUPT, &msr)) 24507f5c258eSLen Brown return 0; 24517f5c258eSLen Brown 2452b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_INTERRUPT: 0x%08llx " 24537f5c258eSLen Brown "(%s_Guaranteed_Perf_Change, %s_Excursion_Min)\n", 24547f5c258eSLen Brown cpu, msr, 24557f5c258eSLen Brown ((msr) & 0x1) ? "EN" : "Dis", 24567f5c258eSLen Brown ((msr) & 0x2) ? "EN" : "Dis"); 24577f5c258eSLen Brown } 24587f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_STATUS, &msr)) 24597f5c258eSLen Brown return 0; 24607f5c258eSLen Brown 2461b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_STATUS: 0x%08llx " 24627f5c258eSLen Brown "(%sGuaranteed_Perf_Change, %sExcursion_Min)\n", 24637f5c258eSLen Brown cpu, msr, 24647f5c258eSLen Brown ((msr) & 0x1) ? "" : "No-", 24657f5c258eSLen Brown ((msr) & 0x2) ? "" : "No-"); 24667f5c258eSLen Brown 24677f5c258eSLen Brown return 0; 24687f5c258eSLen Brown } 2469889facbeSLen Brown 24703a9a941dSLen Brown /* 24713a9a941dSLen Brown * print_perf_limit() 24723a9a941dSLen Brown */ 24733a9a941dSLen Brown int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p) 24743a9a941dSLen Brown { 24753a9a941dSLen Brown unsigned long long msr; 24763a9a941dSLen Brown int cpu; 24773a9a941dSLen Brown 24783a9a941dSLen Brown cpu = t->cpu_id; 24793a9a941dSLen Brown 24803a9a941dSLen Brown /* per-package */ 24813a9a941dSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 24823a9a941dSLen Brown return 0; 24833a9a941dSLen Brown 24843a9a941dSLen Brown if (cpu_migrate(cpu)) { 2485b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 24863a9a941dSLen Brown return -1; 24873a9a941dSLen Brown } 24883a9a941dSLen Brown 24893a9a941dSLen Brown if (do_core_perf_limit_reasons) { 24903a9a941dSLen Brown get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr); 2491b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2492b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)", 2493e33cbe85SLen Brown (msr & 1 << 15) ? "bit15, " : "", 24943a9a941dSLen Brown (msr & 1 << 14) ? "bit14, " : "", 2495e33cbe85SLen Brown (msr & 1 << 13) ? "Transitions, " : "", 2496e33cbe85SLen Brown (msr & 1 << 12) ? "MultiCoreTurbo, " : "", 2497e33cbe85SLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : "", 2498e33cbe85SLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 2499e33cbe85SLen Brown (msr & 1 << 9) ? "CorePwr, " : "", 2500e33cbe85SLen Brown (msr & 1 << 8) ? "Amps, " : "", 2501e33cbe85SLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 2502e33cbe85SLen Brown (msr & 1 << 5) ? "Auto-HWP, " : "", 2503e33cbe85SLen Brown (msr & 1 << 4) ? "Graphics, " : "", 2504e33cbe85SLen Brown (msr & 1 << 2) ? "bit2, " : "", 2505e33cbe85SLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 2506e33cbe85SLen Brown (msr & 1 << 0) ? "PROCHOT, " : ""); 2507b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n", 2508e33cbe85SLen Brown (msr & 1 << 31) ? "bit31, " : "", 25093a9a941dSLen Brown (msr & 1 << 30) ? "bit30, " : "", 2510e33cbe85SLen Brown (msr & 1 << 29) ? "Transitions, " : "", 2511e33cbe85SLen Brown (msr & 1 << 28) ? "MultiCoreTurbo, " : "", 2512e33cbe85SLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : "", 2513e33cbe85SLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 2514e33cbe85SLen Brown (msr & 1 << 25) ? "CorePwr, " : "", 2515e33cbe85SLen Brown (msr & 1 << 24) ? "Amps, " : "", 2516e33cbe85SLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 2517e33cbe85SLen Brown (msr & 1 << 21) ? "Auto-HWP, " : "", 2518e33cbe85SLen Brown (msr & 1 << 20) ? "Graphics, " : "", 2519e33cbe85SLen Brown (msr & 1 << 18) ? "bit18, " : "", 2520e33cbe85SLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 2521e33cbe85SLen Brown (msr & 1 << 16) ? "PROCHOT, " : ""); 25223a9a941dSLen Brown 25233a9a941dSLen Brown } 25243a9a941dSLen Brown if (do_gfx_perf_limit_reasons) { 25253a9a941dSLen Brown get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr); 2526b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2527b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s%s%s)", 25283a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 25293a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 25303a9a941dSLen Brown (msr & 1 << 4) ? "Graphics, " : "", 25313a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 25323a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 25333a9a941dSLen Brown (msr & 1 << 9) ? "GFXPwr, " : "", 25343a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 25353a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 2536b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s)\n", 25373a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 25383a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 25393a9a941dSLen Brown (msr & 1 << 20) ? "Graphics, " : "", 25403a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 25413a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 25423a9a941dSLen Brown (msr & 1 << 25) ? "GFXPwr, " : "", 25433a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 25443a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 25453a9a941dSLen Brown } 25463a9a941dSLen Brown if (do_ring_perf_limit_reasons) { 25473a9a941dSLen Brown get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr); 2548b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2549b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s)", 25503a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 25513a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 25523a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 25533a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 25543a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 25553a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 2556b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s)\n", 25573a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 25583a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 25593a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 25603a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 25613a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 25623a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 25633a9a941dSLen Brown } 25643a9a941dSLen Brown return 0; 25653a9a941dSLen Brown } 25663a9a941dSLen Brown 2567889facbeSLen Brown #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */ 2568889facbeSLen Brown #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */ 2569889facbeSLen Brown 257058cc30a4SLen Brown double get_tdp(int model) 2571144b44b1SLen Brown { 2572144b44b1SLen Brown unsigned long long msr; 2573144b44b1SLen Brown 2574144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) 25757ce7d5deSPrarit Bhargava if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr)) 2576144b44b1SLen Brown return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units; 2577144b44b1SLen Brown 2578144b44b1SLen Brown switch (model) { 2579144b44b1SLen Brown case 0x37: 2580144b44b1SLen Brown case 0x4D: 2581144b44b1SLen Brown return 30.0; 2582144b44b1SLen Brown default: 2583144b44b1SLen Brown return 135.0; 2584144b44b1SLen Brown } 2585144b44b1SLen Brown } 2586144b44b1SLen Brown 258740ee8e3bSAndrey Semin /* 258840ee8e3bSAndrey Semin * rapl_dram_energy_units_probe() 258940ee8e3bSAndrey Semin * Energy units are either hard-coded, or come from RAPL Energy Unit MSR. 259040ee8e3bSAndrey Semin */ 259140ee8e3bSAndrey Semin static double 259240ee8e3bSAndrey Semin rapl_dram_energy_units_probe(int model, double rapl_energy_units) 259340ee8e3bSAndrey Semin { 259440ee8e3bSAndrey Semin /* only called for genuine_intel, family 6 */ 259540ee8e3bSAndrey Semin 259640ee8e3bSAndrey Semin switch (model) { 259740ee8e3bSAndrey Semin case 0x3F: /* HSX */ 259840ee8e3bSAndrey Semin case 0x4F: /* BDX */ 259940ee8e3bSAndrey Semin case 0x56: /* BDX-DE */ 2600fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 260140ee8e3bSAndrey Semin return (rapl_dram_energy_units = 15.3 / 1000000); 260240ee8e3bSAndrey Semin default: 260340ee8e3bSAndrey Semin return (rapl_energy_units); 260440ee8e3bSAndrey Semin } 260540ee8e3bSAndrey Semin } 260640ee8e3bSAndrey Semin 2607144b44b1SLen Brown 2608889facbeSLen Brown /* 2609889facbeSLen Brown * rapl_probe() 2610889facbeSLen Brown * 2611144b44b1SLen Brown * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units 2612889facbeSLen Brown */ 2613889facbeSLen Brown void rapl_probe(unsigned int family, unsigned int model) 2614889facbeSLen Brown { 2615889facbeSLen Brown unsigned long long msr; 2616144b44b1SLen Brown unsigned int time_unit; 2617889facbeSLen Brown double tdp; 2618889facbeSLen Brown 2619889facbeSLen Brown if (!genuine_intel) 2620889facbeSLen Brown return; 2621889facbeSLen Brown 2622889facbeSLen Brown if (family != 6) 2623889facbeSLen Brown return; 2624889facbeSLen Brown 2625889facbeSLen Brown switch (model) { 2626889facbeSLen Brown case 0x2A: 2627889facbeSLen Brown case 0x3A: 262870b43400SLen Brown case 0x3C: /* HSW */ 262970b43400SLen Brown case 0x45: /* HSW */ 2630149c2319SLen Brown case 0x46: /* HSW */ 26314e8e863fSLen Brown case 0x3D: /* BDW */ 263248a0631cSLen Brown case 0x47: /* BDW */ 2633144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; 2634889facbeSLen Brown break; 2635*e4085d54SLen Brown case 0x5C: /* BXT */ 2636*e4085d54SLen Brown do_rapl = RAPL_PKG | RAPL_PKG_POWER_INFO; 2637*e4085d54SLen Brown break; 26380b2bb692SLen Brown case 0x4E: /* SKL */ 26390b2bb692SLen Brown case 0x5E: /* SKL */ 26400b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 26410b2bb692SLen Brown break; 2642e6f9bb3cSLen Brown case 0x3F: /* HSX */ 26434e8e863fSLen Brown case 0x4F: /* BDX */ 26444e8e863fSLen Brown case 0x56: /* BDX-DE */ 2645fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 26460b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 2647e6f9bb3cSLen Brown break; 2648889facbeSLen Brown case 0x2D: 2649889facbeSLen Brown case 0x3E: 26500b2bb692SLen 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; 2651144b44b1SLen Brown break; 2652144b44b1SLen Brown case 0x37: /* BYT */ 2653144b44b1SLen Brown case 0x4D: /* AVN */ 2654144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES ; 2655889facbeSLen Brown break; 2656889facbeSLen Brown default: 2657889facbeSLen Brown return; 2658889facbeSLen Brown } 2659889facbeSLen Brown 2660889facbeSLen Brown /* units on package 0, verify later other packages match */ 26617ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr)) 2662889facbeSLen Brown return; 2663889facbeSLen Brown 2664889facbeSLen Brown rapl_power_units = 1.0 / (1 << (msr & 0xF)); 2665144b44b1SLen Brown if (model == 0x37) 2666144b44b1SLen Brown rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000; 2667144b44b1SLen Brown else 2668889facbeSLen Brown rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F)); 2669889facbeSLen Brown 267040ee8e3bSAndrey Semin rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units); 267140ee8e3bSAndrey Semin 2672144b44b1SLen Brown time_unit = msr >> 16 & 0xF; 2673144b44b1SLen Brown if (time_unit == 0) 2674144b44b1SLen Brown time_unit = 0xA; 2675889facbeSLen Brown 2676144b44b1SLen Brown rapl_time_units = 1.0 / (1 << (time_unit)); 2677144b44b1SLen Brown 2678144b44b1SLen Brown tdp = get_tdp(model); 2679889facbeSLen Brown 2680889facbeSLen Brown rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; 2681d8af6f5fSLen Brown if (debug) 2682b7d8c148SLen Brown fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp); 2683889facbeSLen Brown 2684889facbeSLen Brown return; 2685889facbeSLen Brown } 2686889facbeSLen Brown 268758cc30a4SLen Brown void perf_limit_reasons_probe(int family, int model) 26883a9a941dSLen Brown { 26893a9a941dSLen Brown if (!genuine_intel) 26903a9a941dSLen Brown return; 26913a9a941dSLen Brown 26923a9a941dSLen Brown if (family != 6) 26933a9a941dSLen Brown return; 26943a9a941dSLen Brown 26953a9a941dSLen Brown switch (model) { 26963a9a941dSLen Brown case 0x3C: /* HSW */ 26973a9a941dSLen Brown case 0x45: /* HSW */ 26983a9a941dSLen Brown case 0x46: /* HSW */ 26993a9a941dSLen Brown do_gfx_perf_limit_reasons = 1; 27003a9a941dSLen Brown case 0x3F: /* HSX */ 27013a9a941dSLen Brown do_core_perf_limit_reasons = 1; 27023a9a941dSLen Brown do_ring_perf_limit_reasons = 1; 27033a9a941dSLen Brown default: 27043a9a941dSLen Brown return; 27053a9a941dSLen Brown } 27063a9a941dSLen Brown } 27073a9a941dSLen Brown 2708889facbeSLen Brown int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2709889facbeSLen Brown { 2710889facbeSLen Brown unsigned long long msr; 2711889facbeSLen Brown unsigned int dts; 2712889facbeSLen Brown int cpu; 2713889facbeSLen Brown 2714889facbeSLen Brown if (!(do_dts || do_ptm)) 2715889facbeSLen Brown return 0; 2716889facbeSLen Brown 2717889facbeSLen Brown cpu = t->cpu_id; 2718889facbeSLen Brown 2719889facbeSLen Brown /* DTS is per-core, no need to print for each thread */ 2720889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 2721889facbeSLen Brown return 0; 2722889facbeSLen Brown 2723889facbeSLen Brown if (cpu_migrate(cpu)) { 2724b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2725889facbeSLen Brown return -1; 2726889facbeSLen Brown } 2727889facbeSLen Brown 2728889facbeSLen Brown if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) { 2729889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 2730889facbeSLen Brown return 0; 2731889facbeSLen Brown 2732889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2733b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", 2734889facbeSLen Brown cpu, msr, tcc_activation_temp - dts); 2735889facbeSLen Brown 2736889facbeSLen Brown #ifdef THERM_DEBUG 2737889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) 2738889facbeSLen Brown return 0; 2739889facbeSLen Brown 2740889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2741889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2742b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2743889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2744889facbeSLen Brown #endif 2745889facbeSLen Brown } 2746889facbeSLen Brown 2747889facbeSLen Brown 2748889facbeSLen Brown if (do_dts) { 2749889facbeSLen Brown unsigned int resolution; 2750889facbeSLen Brown 2751889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 2752889facbeSLen Brown return 0; 2753889facbeSLen Brown 2754889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2755889facbeSLen Brown resolution = (msr >> 27) & 0xF; 2756b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", 2757889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, resolution); 2758889facbeSLen Brown 2759889facbeSLen Brown #ifdef THERM_DEBUG 2760889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) 2761889facbeSLen Brown return 0; 2762889facbeSLen Brown 2763889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2764889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2765b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2766889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2767889facbeSLen Brown #endif 2768889facbeSLen Brown } 2769889facbeSLen Brown 2770889facbeSLen Brown return 0; 2771889facbeSLen Brown } 2772889facbeSLen Brown 2773889facbeSLen Brown void print_power_limit_msr(int cpu, unsigned long long msr, char *label) 2774889facbeSLen Brown { 2775b7d8c148SLen Brown fprintf(outf, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n", 2776889facbeSLen Brown cpu, label, 2777889facbeSLen Brown ((msr >> 15) & 1) ? "EN" : "DIS", 2778889facbeSLen Brown ((msr >> 0) & 0x7FFF) * rapl_power_units, 2779889facbeSLen Brown (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units, 2780889facbeSLen Brown (((msr >> 16) & 1) ? "EN" : "DIS")); 2781889facbeSLen Brown 2782889facbeSLen Brown return; 2783889facbeSLen Brown } 2784889facbeSLen Brown 2785889facbeSLen Brown int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2786889facbeSLen Brown { 2787889facbeSLen Brown unsigned long long msr; 2788889facbeSLen Brown int cpu; 2789889facbeSLen Brown 2790889facbeSLen Brown if (!do_rapl) 2791889facbeSLen Brown return 0; 2792889facbeSLen Brown 2793889facbeSLen Brown /* RAPL counters are per package, so print only for 1st thread/package */ 2794889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2795889facbeSLen Brown return 0; 2796889facbeSLen Brown 2797889facbeSLen Brown cpu = t->cpu_id; 2798889facbeSLen Brown if (cpu_migrate(cpu)) { 2799b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2800889facbeSLen Brown return -1; 2801889facbeSLen Brown } 2802889facbeSLen Brown 2803889facbeSLen Brown if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr)) 2804889facbeSLen Brown return -1; 2805889facbeSLen Brown 2806d8af6f5fSLen Brown if (debug) { 2807b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx " 2808889facbeSLen Brown "(%f Watts, %f Joules, %f sec.)\n", cpu, msr, 2809144b44b1SLen Brown rapl_power_units, rapl_energy_units, rapl_time_units); 2810889facbeSLen Brown } 2811144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) { 2812144b44b1SLen Brown 2813889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr)) 2814889facbeSLen Brown return -5; 2815889facbeSLen Brown 2816889facbeSLen Brown 2817b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2818889facbeSLen Brown cpu, msr, 2819889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2820889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2821889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2822889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 2823889facbeSLen Brown 2824144b44b1SLen Brown } 2825144b44b1SLen Brown if (do_rapl & RAPL_PKG) { 2826144b44b1SLen Brown 2827889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr)) 2828889facbeSLen Brown return -9; 2829889facbeSLen Brown 2830b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n", 2831889facbeSLen Brown cpu, msr, (msr >> 63) & 1 ? "": "UN"); 2832889facbeSLen Brown 2833889facbeSLen Brown print_power_limit_msr(cpu, msr, "PKG Limit #1"); 2834b7d8c148SLen Brown fprintf(outf, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n", 2835889facbeSLen Brown cpu, 2836889facbeSLen Brown ((msr >> 47) & 1) ? "EN" : "DIS", 2837889facbeSLen Brown ((msr >> 32) & 0x7FFF) * rapl_power_units, 2838889facbeSLen Brown (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units, 2839889facbeSLen Brown ((msr >> 48) & 1) ? "EN" : "DIS"); 2840889facbeSLen Brown } 2841889facbeSLen Brown 28420b2bb692SLen Brown if (do_rapl & RAPL_DRAM_POWER_INFO) { 2843889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr)) 2844889facbeSLen Brown return -6; 2845889facbeSLen Brown 2846b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2847889facbeSLen Brown cpu, msr, 2848889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2849889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2850889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2851889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 28520b2bb692SLen Brown } 28530b2bb692SLen Brown if (do_rapl & RAPL_DRAM) { 2854889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr)) 2855889facbeSLen Brown return -9; 2856b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n", 2857889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2858889facbeSLen Brown 2859889facbeSLen Brown print_power_limit_msr(cpu, msr, "DRAM Limit"); 2860889facbeSLen Brown } 2861144b44b1SLen Brown if (do_rapl & RAPL_CORE_POLICY) { 2862d8af6f5fSLen Brown if (debug) { 2863889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POLICY, &msr)) 2864889facbeSLen Brown return -7; 2865889facbeSLen Brown 2866b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF); 2867144b44b1SLen Brown } 2868144b44b1SLen Brown } 2869144b44b1SLen Brown if (do_rapl & RAPL_CORES) { 2870d8af6f5fSLen Brown if (debug) { 2871889facbeSLen Brown 2872889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr)) 2873889facbeSLen Brown return -9; 2874b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n", 2875889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2876889facbeSLen Brown print_power_limit_msr(cpu, msr, "Cores Limit"); 2877889facbeSLen Brown } 2878889facbeSLen Brown } 2879889facbeSLen Brown if (do_rapl & RAPL_GFX) { 2880d8af6f5fSLen Brown if (debug) { 2881889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POLICY, &msr)) 2882889facbeSLen Brown return -8; 2883889facbeSLen Brown 2884b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF); 2885889facbeSLen Brown 2886889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr)) 2887889facbeSLen Brown return -9; 2888b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n", 2889889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2890889facbeSLen Brown print_power_limit_msr(cpu, msr, "GFX Limit"); 2891889facbeSLen Brown } 2892889facbeSLen Brown } 2893889facbeSLen Brown return 0; 2894889facbeSLen Brown } 2895889facbeSLen Brown 2896d7899447SLen Brown /* 2897d7899447SLen Brown * SNB adds support for additional MSRs: 2898d7899447SLen Brown * 2899d7899447SLen Brown * MSR_PKG_C7_RESIDENCY 0x000003fa 2900d7899447SLen Brown * MSR_CORE_C7_RESIDENCY 0x000003fe 2901d7899447SLen Brown * MSR_PKG_C2_RESIDENCY 0x0000060d 2902d7899447SLen Brown */ 2903103a8feaSLen Brown 2904d7899447SLen Brown int has_snb_msrs(unsigned int family, unsigned int model) 2905103a8feaSLen Brown { 2906103a8feaSLen Brown if (!genuine_intel) 2907103a8feaSLen Brown return 0; 2908103a8feaSLen Brown 2909103a8feaSLen Brown switch (model) { 2910103a8feaSLen Brown case 0x2A: 2911103a8feaSLen Brown case 0x2D: 2912650a37f3SLen Brown case 0x3A: /* IVB */ 29131300651bSLen Brown case 0x3E: /* IVB Xeon */ 291470b43400SLen Brown case 0x3C: /* HSW */ 291570b43400SLen Brown case 0x3F: /* HSW */ 291670b43400SLen Brown case 0x45: /* HSW */ 2917149c2319SLen Brown case 0x46: /* HSW */ 29184e8e863fSLen Brown case 0x3D: /* BDW */ 291948a0631cSLen Brown case 0x47: /* BDW */ 29204e8e863fSLen Brown case 0x4F: /* BDX */ 29214e8e863fSLen Brown case 0x56: /* BDX-DE */ 29220b2bb692SLen Brown case 0x4E: /* SKL */ 29230b2bb692SLen Brown case 0x5E: /* SKL */ 2924*e4085d54SLen Brown case 0x5C: /* BXT */ 2925103a8feaSLen Brown return 1; 2926103a8feaSLen Brown } 2927103a8feaSLen Brown return 0; 2928103a8feaSLen Brown } 2929103a8feaSLen Brown 2930d7899447SLen Brown /* 2931d7899447SLen Brown * HSW adds support for additional MSRs: 2932d7899447SLen Brown * 2933d7899447SLen Brown * MSR_PKG_C8_RESIDENCY 0x00000630 2934d7899447SLen Brown * MSR_PKG_C9_RESIDENCY 0x00000631 2935d7899447SLen Brown * MSR_PKG_C10_RESIDENCY 0x00000632 29365a63426eSLen Brown * 29375a63426eSLen Brown * MSR_PKGC8_IRTL 0x00000633 29385a63426eSLen Brown * MSR_PKGC9_IRTL 0x00000634 29395a63426eSLen Brown * MSR_PKGC10_IRTL 0x00000635 29405a63426eSLen Brown * 2941d7899447SLen Brown */ 2942d7899447SLen Brown int has_hsw_msrs(unsigned int family, unsigned int model) 2943ca58710fSKristen Carlson Accardi { 2944ca58710fSKristen Carlson Accardi if (!genuine_intel) 2945ca58710fSKristen Carlson Accardi return 0; 2946ca58710fSKristen Carlson Accardi 2947ca58710fSKristen Carlson Accardi switch (model) { 29484e8e863fSLen Brown case 0x45: /* HSW */ 29494e8e863fSLen Brown case 0x3D: /* BDW */ 29500b2bb692SLen Brown case 0x4E: /* SKL */ 29510b2bb692SLen Brown case 0x5E: /* SKL */ 2952*e4085d54SLen Brown case 0x5C: /* BXT */ 2953ca58710fSKristen Carlson Accardi return 1; 2954ca58710fSKristen Carlson Accardi } 2955ca58710fSKristen Carlson Accardi return 0; 2956ca58710fSKristen Carlson Accardi } 2957ca58710fSKristen Carlson Accardi 29580b2bb692SLen Brown /* 29590b2bb692SLen Brown * SKL adds support for additional MSRS: 29600b2bb692SLen Brown * 29610b2bb692SLen Brown * MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658 29620b2bb692SLen Brown * MSR_PKG_ANY_CORE_C0_RES 0x00000659 29630b2bb692SLen Brown * MSR_PKG_ANY_GFXE_C0_RES 0x0000065A 29640b2bb692SLen Brown * MSR_PKG_BOTH_CORE_GFXE_C0_RES 0x0000065B 29650b2bb692SLen Brown */ 29660b2bb692SLen Brown int has_skl_msrs(unsigned int family, unsigned int model) 29670b2bb692SLen Brown { 29680b2bb692SLen Brown if (!genuine_intel) 29690b2bb692SLen Brown return 0; 29700b2bb692SLen Brown 29710b2bb692SLen Brown switch (model) { 29720b2bb692SLen Brown case 0x4E: /* SKL */ 29730b2bb692SLen Brown case 0x5E: /* SKL */ 29740b2bb692SLen Brown return 1; 29750b2bb692SLen Brown } 29760b2bb692SLen Brown return 0; 29770b2bb692SLen Brown } 29780b2bb692SLen Brown 29790b2bb692SLen Brown 2980ca58710fSKristen Carlson Accardi 2981144b44b1SLen Brown int is_slm(unsigned int family, unsigned int model) 2982144b44b1SLen Brown { 2983144b44b1SLen Brown if (!genuine_intel) 2984144b44b1SLen Brown return 0; 2985144b44b1SLen Brown switch (model) { 2986144b44b1SLen Brown case 0x37: /* BYT */ 2987144b44b1SLen Brown case 0x4D: /* AVN */ 2988144b44b1SLen Brown return 1; 2989144b44b1SLen Brown } 2990144b44b1SLen Brown return 0; 2991144b44b1SLen Brown } 2992144b44b1SLen Brown 2993fb5d4327SDasaratharaman Chandramouli int is_knl(unsigned int family, unsigned int model) 2994fb5d4327SDasaratharaman Chandramouli { 2995fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 2996fb5d4327SDasaratharaman Chandramouli return 0; 2997fb5d4327SDasaratharaman Chandramouli switch (model) { 2998fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 2999fb5d4327SDasaratharaman Chandramouli return 1; 3000fb5d4327SDasaratharaman Chandramouli } 3001fb5d4327SDasaratharaman Chandramouli return 0; 3002fb5d4327SDasaratharaman Chandramouli } 3003fb5d4327SDasaratharaman Chandramouli 3004b2b34dfeSHubert Chrzaniuk unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model) 3005b2b34dfeSHubert Chrzaniuk { 3006b2b34dfeSHubert Chrzaniuk if (is_knl(family, model)) 3007b2b34dfeSHubert Chrzaniuk return 1024; 3008b2b34dfeSHubert Chrzaniuk return 1; 3009b2b34dfeSHubert Chrzaniuk } 3010b2b34dfeSHubert Chrzaniuk 3011144b44b1SLen Brown #define SLM_BCLK_FREQS 5 3012144b44b1SLen Brown double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0}; 3013144b44b1SLen Brown 3014144b44b1SLen Brown double slm_bclk(void) 3015144b44b1SLen Brown { 3016144b44b1SLen Brown unsigned long long msr = 3; 3017144b44b1SLen Brown unsigned int i; 3018144b44b1SLen Brown double freq; 3019144b44b1SLen Brown 30207ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_FSB_FREQ, &msr)) 3021b7d8c148SLen Brown fprintf(outf, "SLM BCLK: unknown\n"); 3022144b44b1SLen Brown 3023144b44b1SLen Brown i = msr & 0xf; 3024144b44b1SLen Brown if (i >= SLM_BCLK_FREQS) { 3025b7d8c148SLen Brown fprintf(outf, "SLM BCLK[%d] invalid\n", i); 3026144b44b1SLen Brown msr = 3; 3027144b44b1SLen Brown } 3028144b44b1SLen Brown freq = slm_freq_table[i]; 3029144b44b1SLen Brown 3030b7d8c148SLen Brown fprintf(outf, "SLM BCLK: %.1f Mhz\n", freq); 3031144b44b1SLen Brown 3032144b44b1SLen Brown return freq; 3033144b44b1SLen Brown } 3034144b44b1SLen Brown 3035103a8feaSLen Brown double discover_bclk(unsigned int family, unsigned int model) 3036103a8feaSLen Brown { 3037121b48bbSChrzaniuk, Hubert if (has_snb_msrs(family, model) || is_knl(family, model)) 3038103a8feaSLen Brown return 100.00; 3039144b44b1SLen Brown else if (is_slm(family, model)) 3040144b44b1SLen Brown return slm_bclk(); 3041103a8feaSLen Brown else 3042103a8feaSLen Brown return 133.33; 3043103a8feaSLen Brown } 3044103a8feaSLen Brown 3045889facbeSLen Brown /* 3046889facbeSLen Brown * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where 3047889facbeSLen Brown * the Thermal Control Circuit (TCC) activates. 3048889facbeSLen Brown * This is usually equal to tjMax. 3049889facbeSLen Brown * 3050889facbeSLen Brown * Older processors do not have this MSR, so there we guess, 3051889facbeSLen Brown * but also allow cmdline over-ride with -T. 3052889facbeSLen Brown * 3053889facbeSLen Brown * Several MSR temperature values are in units of degrees-C 3054889facbeSLen Brown * below this value, including the Digital Thermal Sensor (DTS), 3055889facbeSLen Brown * Package Thermal Management Sensor (PTM), and thermal event thresholds. 3056889facbeSLen Brown */ 3057889facbeSLen Brown int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p) 3058889facbeSLen Brown { 3059889facbeSLen Brown unsigned long long msr; 3060889facbeSLen Brown unsigned int target_c_local; 3061889facbeSLen Brown int cpu; 3062889facbeSLen Brown 3063889facbeSLen Brown /* tcc_activation_temp is used only for dts or ptm */ 3064889facbeSLen Brown if (!(do_dts || do_ptm)) 3065889facbeSLen Brown return 0; 3066889facbeSLen Brown 3067889facbeSLen Brown /* this is a per-package concept */ 3068889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 3069889facbeSLen Brown return 0; 3070889facbeSLen Brown 3071889facbeSLen Brown cpu = t->cpu_id; 3072889facbeSLen Brown if (cpu_migrate(cpu)) { 3073b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 3074889facbeSLen Brown return -1; 3075889facbeSLen Brown } 3076889facbeSLen Brown 3077889facbeSLen Brown if (tcc_activation_temp_override != 0) { 3078889facbeSLen Brown tcc_activation_temp = tcc_activation_temp_override; 3079b7d8c148SLen Brown fprintf(outf, "cpu%d: Using cmdline TCC Target (%d C)\n", 3080889facbeSLen Brown cpu, tcc_activation_temp); 3081889facbeSLen Brown return 0; 3082889facbeSLen Brown } 3083889facbeSLen Brown 3084889facbeSLen Brown /* Temperature Target MSR is Nehalem and newer only */ 3085d7899447SLen Brown if (!do_nhm_platform_info) 3086889facbeSLen Brown goto guess; 3087889facbeSLen Brown 30887ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr)) 3089889facbeSLen Brown goto guess; 3090889facbeSLen Brown 30913482124aSJean Delvare target_c_local = (msr >> 16) & 0xFF; 3092889facbeSLen Brown 3093d8af6f5fSLen Brown if (debug) 3094b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", 3095889facbeSLen Brown cpu, msr, target_c_local); 3096889facbeSLen Brown 30973482124aSJean Delvare if (!target_c_local) 3098889facbeSLen Brown goto guess; 3099889facbeSLen Brown 3100889facbeSLen Brown tcc_activation_temp = target_c_local; 3101889facbeSLen Brown 3102889facbeSLen Brown return 0; 3103889facbeSLen Brown 3104889facbeSLen Brown guess: 3105889facbeSLen Brown tcc_activation_temp = TJMAX_DEFAULT; 3106b7d8c148SLen Brown fprintf(outf, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n", 3107889facbeSLen Brown cpu, tcc_activation_temp); 3108889facbeSLen Brown 3109889facbeSLen Brown return 0; 3110889facbeSLen Brown } 311169807a63SLen Brown 3112aa8d8cc7SLen Brown void decode_feature_control_msr(void) 3113aa8d8cc7SLen Brown { 3114aa8d8cc7SLen Brown unsigned long long msr; 3115aa8d8cc7SLen Brown 3116aa8d8cc7SLen Brown if (!get_msr(base_cpu, MSR_IA32_FEATURE_CONTROL, &msr)) 3117aa8d8cc7SLen Brown fprintf(outf, "cpu%d: MSR_IA32_FEATURE_CONTROL: 0x%08llx (%sLocked %s)\n", 3118aa8d8cc7SLen Brown base_cpu, msr, 3119aa8d8cc7SLen Brown msr & FEATURE_CONTROL_LOCKED ? "" : "UN-", 3120aa8d8cc7SLen Brown msr & (1 << 18) ? "SGX" : ""); 3121aa8d8cc7SLen Brown } 3122aa8d8cc7SLen Brown 312369807a63SLen Brown void decode_misc_enable_msr(void) 312469807a63SLen Brown { 312569807a63SLen Brown unsigned long long msr; 312669807a63SLen Brown 312769807a63SLen Brown if (!get_msr(base_cpu, MSR_IA32_MISC_ENABLE, &msr)) 3128b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_MISC_ENABLE: 0x%08llx (%s %s %s)\n", 312969807a63SLen Brown base_cpu, msr, 313069807a63SLen Brown msr & (1 << 3) ? "TCC" : "", 313169807a63SLen Brown msr & (1 << 16) ? "EIST" : "", 313269807a63SLen Brown msr & (1 << 18) ? "MONITOR" : ""); 313369807a63SLen Brown } 313469807a63SLen Brown 3135f0057310SLen Brown /* 3136f0057310SLen Brown * Decode MSR_MISC_PWR_MGMT 3137f0057310SLen Brown * 3138f0057310SLen Brown * Decode the bits according to the Nehalem documentation 3139f0057310SLen Brown * bit[0] seems to continue to have same meaning going forward 3140f0057310SLen Brown * bit[1] less so... 3141f0057310SLen Brown */ 3142f0057310SLen Brown void decode_misc_pwr_mgmt_msr(void) 3143f0057310SLen Brown { 3144f0057310SLen Brown unsigned long long msr; 3145f0057310SLen Brown 3146f0057310SLen Brown if (!do_nhm_platform_info) 3147f0057310SLen Brown return; 3148f0057310SLen Brown 3149f0057310SLen Brown if (!get_msr(base_cpu, MSR_MISC_PWR_MGMT, &msr)) 3150b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_MISC_PWR_MGMT: 0x%08llx (%sable-EIST_Coordination %sable-EPB)\n", 3151f0057310SLen Brown base_cpu, msr, 3152f0057310SLen Brown msr & (1 << 0) ? "DIS" : "EN", 3153f0057310SLen Brown msr & (1 << 1) ? "EN" : "DIS"); 3154f0057310SLen Brown } 31557f5c258eSLen Brown 3156fcd17211SLen Brown void process_cpuid() 3157103a8feaSLen Brown { 315861a87ba7SLen Brown unsigned int eax, ebx, ecx, edx, max_level, max_extended_level; 3159103a8feaSLen Brown unsigned int fms, family, model, stepping; 3160103a8feaSLen Brown 3161103a8feaSLen Brown eax = ebx = ecx = edx = 0; 3162103a8feaSLen Brown 31635aea2f7fSLen Brown __cpuid(0, max_level, ebx, ecx, edx); 3164103a8feaSLen Brown 3165103a8feaSLen Brown if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e) 3166103a8feaSLen Brown genuine_intel = 1; 3167103a8feaSLen Brown 3168d8af6f5fSLen Brown if (debug) 3169b7d8c148SLen Brown fprintf(outf, "CPUID(0): %.4s%.4s%.4s ", 3170103a8feaSLen Brown (char *)&ebx, (char *)&edx, (char *)&ecx); 3171103a8feaSLen Brown 31725aea2f7fSLen Brown __cpuid(1, fms, ebx, ecx, edx); 3173103a8feaSLen Brown family = (fms >> 8) & 0xf; 3174103a8feaSLen Brown model = (fms >> 4) & 0xf; 3175103a8feaSLen Brown stepping = fms & 0xf; 3176103a8feaSLen Brown if (family == 6 || family == 0xf) 3177103a8feaSLen Brown model += ((fms >> 16) & 0xf) << 4; 3178103a8feaSLen Brown 317969807a63SLen Brown if (debug) { 3180b7d8c148SLen Brown fprintf(outf, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n", 3181103a8feaSLen Brown max_level, family, model, stepping, family, model, stepping); 3182aa8d8cc7SLen Brown fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s %s\n", 318369807a63SLen Brown ecx & (1 << 0) ? "SSE3" : "-", 318469807a63SLen Brown ecx & (1 << 3) ? "MONITOR" : "-", 3185aa8d8cc7SLen Brown ecx & (1 << 6) ? "SMX" : "-", 318669807a63SLen Brown ecx & (1 << 7) ? "EIST" : "-", 318769807a63SLen Brown ecx & (1 << 8) ? "TM2" : "-", 318869807a63SLen Brown edx & (1 << 4) ? "TSC" : "-", 318969807a63SLen Brown edx & (1 << 5) ? "MSR" : "-", 319069807a63SLen Brown edx & (1 << 22) ? "ACPI-TM" : "-", 319169807a63SLen Brown edx & (1 << 29) ? "TM" : "-"); 319269807a63SLen Brown } 3193103a8feaSLen Brown 3194b2c95d90SJosh Triplett if (!(edx & (1 << 5))) 3195b2c95d90SJosh Triplett errx(1, "CPUID: no MSR"); 3196103a8feaSLen Brown 3197103a8feaSLen Brown /* 3198103a8feaSLen Brown * check max extended function levels of CPUID. 3199103a8feaSLen Brown * This is needed to check for invariant TSC. 3200103a8feaSLen Brown * This check is valid for both Intel and AMD. 3201103a8feaSLen Brown */ 3202103a8feaSLen Brown ebx = ecx = edx = 0; 32035aea2f7fSLen Brown __cpuid(0x80000000, max_extended_level, ebx, ecx, edx); 3204103a8feaSLen Brown 320561a87ba7SLen Brown if (max_extended_level >= 0x80000007) { 3206103a8feaSLen Brown 3207103a8feaSLen Brown /* 3208103a8feaSLen Brown * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 3209103a8feaSLen Brown * this check is valid for both Intel and AMD 3210103a8feaSLen Brown */ 32115aea2f7fSLen Brown __cpuid(0x80000007, eax, ebx, ecx, edx); 32128209e054SThomas Renninger has_invariant_tsc = edx & (1 << 8); 3213d7899447SLen Brown } 3214103a8feaSLen Brown 3215103a8feaSLen Brown /* 3216103a8feaSLen Brown * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0 3217103a8feaSLen Brown * this check is valid for both Intel and AMD 3218103a8feaSLen Brown */ 3219103a8feaSLen Brown 32205aea2f7fSLen Brown __cpuid(0x6, eax, ebx, ecx, edx); 32218209e054SThomas Renninger has_aperf = ecx & (1 << 0); 3222889facbeSLen Brown do_dts = eax & (1 << 0); 3223889facbeSLen Brown do_ptm = eax & (1 << 6); 32247f5c258eSLen Brown has_hwp = eax & (1 << 7); 32257f5c258eSLen Brown has_hwp_notify = eax & (1 << 8); 32267f5c258eSLen Brown has_hwp_activity_window = eax & (1 << 9); 32277f5c258eSLen Brown has_hwp_epp = eax & (1 << 10); 32287f5c258eSLen Brown has_hwp_pkg = eax & (1 << 11); 3229889facbeSLen Brown has_epb = ecx & (1 << 3); 3230889facbeSLen Brown 3231d8af6f5fSLen Brown if (debug) 3232b7d8c148SLen Brown fprintf(outf, "CPUID(6): %sAPERF, %sDTS, %sPTM, %sHWP, " 32337f5c258eSLen Brown "%sHWPnotify, %sHWPwindow, %sHWPepp, %sHWPpkg, %sEPB\n", 32347f5c258eSLen Brown has_aperf ? "" : "No-", 32357f5c258eSLen Brown do_dts ? "" : "No-", 32367f5c258eSLen Brown do_ptm ? "" : "No-", 32377f5c258eSLen Brown has_hwp ? "" : "No-", 32387f5c258eSLen Brown has_hwp_notify ? "" : "No-", 32397f5c258eSLen Brown has_hwp_activity_window ? "" : "No-", 32407f5c258eSLen Brown has_hwp_epp ? "" : "No-", 32417f5c258eSLen Brown has_hwp_pkg ? "" : "No-", 32427f5c258eSLen Brown has_epb ? "" : "No-"); 3243103a8feaSLen Brown 324469807a63SLen Brown if (debug) 324569807a63SLen Brown decode_misc_enable_msr(); 324669807a63SLen Brown 32478ae72255SLen Brown if (max_level >= 0x7 && debug) { 3248aa8d8cc7SLen Brown int has_sgx; 3249aa8d8cc7SLen Brown 3250aa8d8cc7SLen Brown ecx = 0; 3251aa8d8cc7SLen Brown 3252aa8d8cc7SLen Brown __cpuid_count(0x7, 0, eax, ebx, ecx, edx); 3253aa8d8cc7SLen Brown 3254aa8d8cc7SLen Brown has_sgx = ebx & (1 << 2); 3255aa8d8cc7SLen Brown fprintf(outf, "CPUID(7): %sSGX\n", has_sgx ? "" : "No-"); 3256aa8d8cc7SLen Brown 3257aa8d8cc7SLen Brown if (has_sgx) 3258aa8d8cc7SLen Brown decode_feature_control_msr(); 3259aa8d8cc7SLen Brown } 3260aa8d8cc7SLen Brown 326161a87ba7SLen Brown if (max_level >= 0x15) { 32628a5bdf41SLen Brown unsigned int eax_crystal; 32638a5bdf41SLen Brown unsigned int ebx_tsc; 32648a5bdf41SLen Brown 32658a5bdf41SLen Brown /* 32668a5bdf41SLen Brown * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz 32678a5bdf41SLen Brown */ 32688a5bdf41SLen Brown eax_crystal = ebx_tsc = crystal_hz = edx = 0; 32695aea2f7fSLen Brown __cpuid(0x15, eax_crystal, ebx_tsc, crystal_hz, edx); 32708a5bdf41SLen Brown 32718a5bdf41SLen Brown if (ebx_tsc != 0) { 32728a5bdf41SLen Brown 32738a5bdf41SLen Brown if (debug && (ebx != 0)) 3274b7d8c148SLen Brown fprintf(outf, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n", 32758a5bdf41SLen Brown eax_crystal, ebx_tsc, crystal_hz); 32768a5bdf41SLen Brown 32778a5bdf41SLen Brown if (crystal_hz == 0) 32788a5bdf41SLen Brown switch(model) { 32798a5bdf41SLen Brown case 0x4E: /* SKL */ 32808a5bdf41SLen Brown case 0x5E: /* SKL */ 32818a5bdf41SLen Brown crystal_hz = 24000000; /* 24 MHz */ 32828a5bdf41SLen Brown break; 32838a5bdf41SLen Brown default: 32848a5bdf41SLen Brown crystal_hz = 0; 32858a5bdf41SLen Brown } 32868a5bdf41SLen Brown 32878a5bdf41SLen Brown if (crystal_hz) { 32888a5bdf41SLen Brown tsc_hz = (unsigned long long) crystal_hz * ebx_tsc / eax_crystal; 32898a5bdf41SLen Brown if (debug) 3290b7d8c148SLen Brown fprintf(outf, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n", 32918a5bdf41SLen Brown tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal); 32928a5bdf41SLen Brown } 32938a5bdf41SLen Brown } 32948a5bdf41SLen Brown } 329561a87ba7SLen Brown if (max_level >= 0x16) { 329661a87ba7SLen Brown unsigned int base_mhz, max_mhz, bus_mhz, edx; 329761a87ba7SLen Brown 329861a87ba7SLen Brown /* 329961a87ba7SLen Brown * CPUID 16H Base MHz, Max MHz, Bus MHz 330061a87ba7SLen Brown */ 330161a87ba7SLen Brown base_mhz = max_mhz = bus_mhz = edx = 0; 330261a87ba7SLen Brown 33035aea2f7fSLen Brown __cpuid(0x16, base_mhz, max_mhz, bus_mhz, edx); 330461a87ba7SLen Brown if (debug) 3305b7d8c148SLen Brown fprintf(outf, "CPUID(0x16): base_mhz: %d max_mhz: %d bus_mhz: %d\n", 330661a87ba7SLen Brown base_mhz, max_mhz, bus_mhz); 330761a87ba7SLen Brown } 33088a5bdf41SLen Brown 3309b2b34dfeSHubert Chrzaniuk if (has_aperf) 3310b2b34dfeSHubert Chrzaniuk aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model); 3311b2b34dfeSHubert Chrzaniuk 3312ee7e38e3SLen Brown do_nhm_platform_info = do_nhm_cstates = do_smi = probe_nhm_msrs(family, model); 3313d7899447SLen Brown do_snb_cstates = has_snb_msrs(family, model); 33145a63426eSLen Brown do_irtl_snb = has_snb_msrs(family, model); 3315ee7e38e3SLen Brown do_pc2 = do_snb_cstates && (pkg_cstate_limit >= PCL__2); 3316ee7e38e3SLen Brown do_pc3 = (pkg_cstate_limit >= PCL__3); 3317ee7e38e3SLen Brown do_pc6 = (pkg_cstate_limit >= PCL__6); 3318ee7e38e3SLen Brown do_pc7 = do_snb_cstates && (pkg_cstate_limit >= PCL__7); 3319d7899447SLen Brown do_c8_c9_c10 = has_hsw_msrs(family, model); 33205a63426eSLen Brown do_irtl_hsw = has_hsw_msrs(family, model); 33210b2bb692SLen Brown do_skl_residency = has_skl_msrs(family, model); 3322144b44b1SLen Brown do_slm_cstates = is_slm(family, model); 3323fb5d4327SDasaratharaman Chandramouli do_knl_cstates = is_knl(family, model); 3324103a8feaSLen Brown 3325f0057310SLen Brown if (debug) 3326f0057310SLen Brown decode_misc_pwr_mgmt_msr(); 3327f0057310SLen Brown 3328889facbeSLen Brown rapl_probe(family, model); 33293a9a941dSLen Brown perf_limit_reasons_probe(family, model); 3330889facbeSLen Brown 3331fcd17211SLen Brown if (debug) 333258cc30a4SLen Brown dump_cstate_pstate_config_info(family, model); 3333fcd17211SLen Brown 3334a2b7b749SLen Brown if (has_skl_msrs(family, model)) 3335a2b7b749SLen Brown calculate_tsc_tweak(); 3336a2b7b749SLen Brown 3337fdf676e5SLen Brown do_gfx_rc6_ms = !access("/sys/class/drm/card0/power/rc6_residency_ms", R_OK); 3338fdf676e5SLen Brown 333927d47356SLen Brown do_gfx_mhz = !access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK); 334027d47356SLen Brown 3341889facbeSLen Brown return; 3342103a8feaSLen Brown } 3343103a8feaSLen Brown 3344d8af6f5fSLen Brown void help() 3345103a8feaSLen Brown { 3346b7d8c148SLen Brown fprintf(outf, 3347d8af6f5fSLen Brown "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n" 3348d8af6f5fSLen Brown "\n" 3349d8af6f5fSLen Brown "Turbostat forks the specified COMMAND and prints statistics\n" 3350d8af6f5fSLen Brown "when COMMAND completes.\n" 3351d8af6f5fSLen Brown "If no COMMAND is specified, turbostat wakes every 5-seconds\n" 3352d8af6f5fSLen Brown "to print statistics, until interrupted.\n" 3353d8af6f5fSLen Brown "--debug run in \"debug\" mode\n" 3354d8af6f5fSLen Brown "--interval sec Override default 5-second measurement interval\n" 3355d8af6f5fSLen Brown "--help print this help message\n" 3356d8af6f5fSLen Brown "--counter msr print 32-bit counter at address \"msr\"\n" 3357d8af6f5fSLen Brown "--Counter msr print 64-bit Counter at address \"msr\"\n" 3358b7d8c148SLen Brown "--out file create or truncate \"file\" for all output\n" 3359d8af6f5fSLen Brown "--msr msr print 32-bit value at address \"msr\"\n" 3360d8af6f5fSLen Brown "--MSR msr print 64-bit Value at address \"msr\"\n" 3361d8af6f5fSLen Brown "--version print version information\n" 3362d8af6f5fSLen Brown "\n" 3363d8af6f5fSLen Brown "For more help, run \"man turbostat\"\n"); 3364103a8feaSLen Brown } 3365103a8feaSLen Brown 3366103a8feaSLen Brown 3367103a8feaSLen Brown /* 3368103a8feaSLen Brown * in /dev/cpu/ return success for names that are numbers 3369103a8feaSLen Brown * ie. filter out ".", "..", "microcode". 3370103a8feaSLen Brown */ 3371103a8feaSLen Brown int dir_filter(const struct dirent *dirp) 3372103a8feaSLen Brown { 3373103a8feaSLen Brown if (isdigit(dirp->d_name[0])) 3374103a8feaSLen Brown return 1; 3375103a8feaSLen Brown else 3376103a8feaSLen Brown return 0; 3377103a8feaSLen Brown } 3378103a8feaSLen Brown 3379103a8feaSLen Brown int open_dev_cpu_msr(int dummy1) 3380103a8feaSLen Brown { 3381103a8feaSLen Brown return 0; 3382103a8feaSLen Brown } 3383103a8feaSLen Brown 3384c98d5d94SLen Brown void topology_probe() 3385c98d5d94SLen Brown { 3386c98d5d94SLen Brown int i; 3387c98d5d94SLen Brown int max_core_id = 0; 3388c98d5d94SLen Brown int max_package_id = 0; 3389c98d5d94SLen Brown int max_siblings = 0; 3390c98d5d94SLen Brown struct cpu_topology { 3391c98d5d94SLen Brown int core_id; 3392c98d5d94SLen Brown int physical_package_id; 3393c98d5d94SLen Brown } *cpus; 3394c98d5d94SLen Brown 3395c98d5d94SLen Brown /* Initialize num_cpus, max_cpu_num */ 3396c98d5d94SLen Brown topo.num_cpus = 0; 3397c98d5d94SLen Brown topo.max_cpu_num = 0; 3398c98d5d94SLen Brown for_all_proc_cpus(count_cpus); 3399c98d5d94SLen Brown if (!summary_only && topo.num_cpus > 1) 3400c98d5d94SLen Brown show_cpu = 1; 3401c98d5d94SLen Brown 3402d8af6f5fSLen Brown if (debug > 1) 3403b7d8c148SLen Brown fprintf(outf, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num); 3404c98d5d94SLen Brown 3405c98d5d94SLen Brown cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology)); 3406b2c95d90SJosh Triplett if (cpus == NULL) 3407b2c95d90SJosh Triplett err(1, "calloc cpus"); 3408c98d5d94SLen Brown 3409c98d5d94SLen Brown /* 3410c98d5d94SLen Brown * Allocate and initialize cpu_present_set 3411c98d5d94SLen Brown */ 3412c98d5d94SLen Brown cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1)); 3413b2c95d90SJosh Triplett if (cpu_present_set == NULL) 3414b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 3415c98d5d94SLen Brown cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 3416c98d5d94SLen Brown CPU_ZERO_S(cpu_present_setsize, cpu_present_set); 3417c98d5d94SLen Brown for_all_proc_cpus(mark_cpu_present); 3418c98d5d94SLen Brown 3419c98d5d94SLen Brown /* 3420c98d5d94SLen Brown * Allocate and initialize cpu_affinity_set 3421c98d5d94SLen Brown */ 3422c98d5d94SLen Brown cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1)); 3423b2c95d90SJosh Triplett if (cpu_affinity_set == NULL) 3424b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 3425c98d5d94SLen Brown cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 3426c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 3427c98d5d94SLen Brown 3428c98d5d94SLen Brown 3429c98d5d94SLen Brown /* 3430c98d5d94SLen Brown * For online cpus 3431c98d5d94SLen Brown * find max_core_id, max_package_id 3432c98d5d94SLen Brown */ 3433c98d5d94SLen Brown for (i = 0; i <= topo.max_cpu_num; ++i) { 3434c98d5d94SLen Brown int siblings; 3435c98d5d94SLen Brown 3436c98d5d94SLen Brown if (cpu_is_not_present(i)) { 3437d8af6f5fSLen Brown if (debug > 1) 3438b7d8c148SLen Brown fprintf(outf, "cpu%d NOT PRESENT\n", i); 3439c98d5d94SLen Brown continue; 3440c98d5d94SLen Brown } 3441c98d5d94SLen Brown cpus[i].core_id = get_core_id(i); 3442c98d5d94SLen Brown if (cpus[i].core_id > max_core_id) 3443c98d5d94SLen Brown max_core_id = cpus[i].core_id; 3444c98d5d94SLen Brown 3445c98d5d94SLen Brown cpus[i].physical_package_id = get_physical_package_id(i); 3446c98d5d94SLen Brown if (cpus[i].physical_package_id > max_package_id) 3447c98d5d94SLen Brown max_package_id = cpus[i].physical_package_id; 3448c98d5d94SLen Brown 3449c98d5d94SLen Brown siblings = get_num_ht_siblings(i); 3450c98d5d94SLen Brown if (siblings > max_siblings) 3451c98d5d94SLen Brown max_siblings = siblings; 3452d8af6f5fSLen Brown if (debug > 1) 3453b7d8c148SLen Brown fprintf(outf, "cpu %d pkg %d core %d\n", 3454c98d5d94SLen Brown i, cpus[i].physical_package_id, cpus[i].core_id); 3455c98d5d94SLen Brown } 3456c98d5d94SLen Brown topo.num_cores_per_pkg = max_core_id + 1; 3457d8af6f5fSLen Brown if (debug > 1) 3458b7d8c148SLen Brown fprintf(outf, "max_core_id %d, sizing for %d cores per package\n", 3459c98d5d94SLen Brown max_core_id, topo.num_cores_per_pkg); 34601cc21f7bSLen Brown if (debug && !summary_only && topo.num_cores_per_pkg > 1) 3461c98d5d94SLen Brown show_core = 1; 3462c98d5d94SLen Brown 3463c98d5d94SLen Brown topo.num_packages = max_package_id + 1; 3464d8af6f5fSLen Brown if (debug > 1) 3465b7d8c148SLen Brown fprintf(outf, "max_package_id %d, sizing for %d packages\n", 3466c98d5d94SLen Brown max_package_id, topo.num_packages); 34671cc21f7bSLen Brown if (debug && !summary_only && topo.num_packages > 1) 3468c98d5d94SLen Brown show_pkg = 1; 3469c98d5d94SLen Brown 3470c98d5d94SLen Brown topo.num_threads_per_core = max_siblings; 3471d8af6f5fSLen Brown if (debug > 1) 3472b7d8c148SLen Brown fprintf(outf, "max_siblings %d\n", max_siblings); 3473c98d5d94SLen Brown 3474c98d5d94SLen Brown free(cpus); 3475c98d5d94SLen Brown } 3476c98d5d94SLen Brown 3477c98d5d94SLen Brown void 3478c98d5d94SLen Brown allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p) 3479c98d5d94SLen Brown { 3480c98d5d94SLen Brown int i; 3481c98d5d94SLen Brown 3482c98d5d94SLen Brown *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg * 3483c98d5d94SLen Brown topo.num_packages, sizeof(struct thread_data)); 3484c98d5d94SLen Brown if (*t == NULL) 3485c98d5d94SLen Brown goto error; 3486c98d5d94SLen Brown 3487c98d5d94SLen Brown for (i = 0; i < topo.num_threads_per_core * 3488c98d5d94SLen Brown topo.num_cores_per_pkg * topo.num_packages; i++) 3489c98d5d94SLen Brown (*t)[i].cpu_id = -1; 3490c98d5d94SLen Brown 3491c98d5d94SLen Brown *c = calloc(topo.num_cores_per_pkg * topo.num_packages, 3492c98d5d94SLen Brown sizeof(struct core_data)); 3493c98d5d94SLen Brown if (*c == NULL) 3494c98d5d94SLen Brown goto error; 3495c98d5d94SLen Brown 3496c98d5d94SLen Brown for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++) 3497c98d5d94SLen Brown (*c)[i].core_id = -1; 3498c98d5d94SLen Brown 3499c98d5d94SLen Brown *p = calloc(topo.num_packages, sizeof(struct pkg_data)); 3500c98d5d94SLen Brown if (*p == NULL) 3501c98d5d94SLen Brown goto error; 3502c98d5d94SLen Brown 3503c98d5d94SLen Brown for (i = 0; i < topo.num_packages; i++) 3504c98d5d94SLen Brown (*p)[i].package_id = i; 3505c98d5d94SLen Brown 3506c98d5d94SLen Brown return; 3507c98d5d94SLen Brown error: 3508b2c95d90SJosh Triplett err(1, "calloc counters"); 3509c98d5d94SLen Brown } 3510c98d5d94SLen Brown /* 3511c98d5d94SLen Brown * init_counter() 3512c98d5d94SLen Brown * 3513c98d5d94SLen Brown * set cpu_id, core_num, pkg_num 3514c98d5d94SLen Brown * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE 3515c98d5d94SLen Brown * 3516c98d5d94SLen Brown * increment topo.num_cores when 1st core in pkg seen 3517c98d5d94SLen Brown */ 3518c98d5d94SLen Brown void init_counter(struct thread_data *thread_base, struct core_data *core_base, 3519c98d5d94SLen Brown struct pkg_data *pkg_base, int thread_num, int core_num, 3520c98d5d94SLen Brown int pkg_num, int cpu_id) 3521c98d5d94SLen Brown { 3522c98d5d94SLen Brown struct thread_data *t; 3523c98d5d94SLen Brown struct core_data *c; 3524c98d5d94SLen Brown struct pkg_data *p; 3525c98d5d94SLen Brown 3526c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_num, core_num, pkg_num); 3527c98d5d94SLen Brown c = GET_CORE(core_base, core_num, pkg_num); 3528c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_num); 3529c98d5d94SLen Brown 3530c98d5d94SLen Brown t->cpu_id = cpu_id; 3531c98d5d94SLen Brown if (thread_num == 0) { 3532c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_THREAD_IN_CORE; 3533c98d5d94SLen Brown if (cpu_is_first_core_in_package(cpu_id)) 3534c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE; 3535c98d5d94SLen Brown } 3536c98d5d94SLen Brown 3537c98d5d94SLen Brown c->core_id = core_num; 3538c98d5d94SLen Brown p->package_id = pkg_num; 3539c98d5d94SLen Brown } 3540c98d5d94SLen Brown 3541c98d5d94SLen Brown 3542c98d5d94SLen Brown int initialize_counters(int cpu_id) 3543c98d5d94SLen Brown { 3544c98d5d94SLen Brown int my_thread_id, my_core_id, my_package_id; 3545c98d5d94SLen Brown 3546c98d5d94SLen Brown my_package_id = get_physical_package_id(cpu_id); 3547c98d5d94SLen Brown my_core_id = get_core_id(cpu_id); 3548e275b388SDasaratharaman Chandramouli my_thread_id = get_cpu_position_in_core(cpu_id); 3549e275b388SDasaratharaman Chandramouli if (!my_thread_id) 3550c98d5d94SLen Brown topo.num_cores++; 3551c98d5d94SLen Brown 3552c98d5d94SLen Brown init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3553c98d5d94SLen Brown init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3554c98d5d94SLen Brown return 0; 3555c98d5d94SLen Brown } 3556c98d5d94SLen Brown 3557c98d5d94SLen Brown void allocate_output_buffer() 3558c98d5d94SLen Brown { 35593b4d5c7fSAndy Shevchenko output_buffer = calloc(1, (1 + topo.num_cpus) * 1024); 3560c98d5d94SLen Brown outp = output_buffer; 3561b2c95d90SJosh Triplett if (outp == NULL) 3562b2c95d90SJosh Triplett err(-1, "calloc output buffer"); 3563c98d5d94SLen Brown } 356436229897SLen Brown void allocate_fd_percpu(void) 356536229897SLen Brown { 356636229897SLen Brown fd_percpu = calloc(topo.max_cpu_num, sizeof(int)); 356736229897SLen Brown if (fd_percpu == NULL) 356836229897SLen Brown err(-1, "calloc fd_percpu"); 356936229897SLen Brown } 3570562a2d37SLen Brown void allocate_irq_buffers(void) 3571562a2d37SLen Brown { 3572562a2d37SLen Brown irq_column_2_cpu = calloc(topo.num_cpus, sizeof(int)); 3573562a2d37SLen Brown if (irq_column_2_cpu == NULL) 3574562a2d37SLen Brown err(-1, "calloc %d", topo.num_cpus); 3575562a2d37SLen Brown 3576562a2d37SLen Brown irqs_per_cpu = calloc(topo.max_cpu_num, sizeof(int)); 3577562a2d37SLen Brown if (irqs_per_cpu == NULL) 3578562a2d37SLen Brown err(-1, "calloc %d", topo.max_cpu_num); 3579562a2d37SLen Brown } 3580c98d5d94SLen Brown void setup_all_buffers(void) 3581c98d5d94SLen Brown { 3582c98d5d94SLen Brown topology_probe(); 3583562a2d37SLen Brown allocate_irq_buffers(); 358436229897SLen Brown allocate_fd_percpu(); 3585c98d5d94SLen Brown allocate_counters(&thread_even, &core_even, &package_even); 3586c98d5d94SLen Brown allocate_counters(&thread_odd, &core_odd, &package_odd); 3587c98d5d94SLen Brown allocate_output_buffer(); 3588c98d5d94SLen Brown for_all_proc_cpus(initialize_counters); 3589c98d5d94SLen Brown } 35903b4d5c7fSAndy Shevchenko 35917ce7d5deSPrarit Bhargava void set_base_cpu(void) 35927ce7d5deSPrarit Bhargava { 35937ce7d5deSPrarit Bhargava base_cpu = sched_getcpu(); 35947ce7d5deSPrarit Bhargava if (base_cpu < 0) 35957ce7d5deSPrarit Bhargava err(-ENODEV, "No valid cpus found"); 35967ce7d5deSPrarit Bhargava 35977ce7d5deSPrarit Bhargava if (debug > 1) 3598b7d8c148SLen Brown fprintf(outf, "base_cpu = %d\n", base_cpu); 35997ce7d5deSPrarit Bhargava } 36007ce7d5deSPrarit Bhargava 3601103a8feaSLen Brown void turbostat_init() 3602103a8feaSLen Brown { 36037ce7d5deSPrarit Bhargava setup_all_buffers(); 36047ce7d5deSPrarit Bhargava set_base_cpu(); 3605103a8feaSLen Brown check_dev_msr(); 360698481e79SLen Brown check_permissions(); 3607fcd17211SLen Brown process_cpuid(); 3608103a8feaSLen Brown 3609103a8feaSLen Brown 3610d8af6f5fSLen Brown if (debug) 36117f5c258eSLen Brown for_all_cpus(print_hwp, ODD_COUNTERS); 36127f5c258eSLen Brown 36137f5c258eSLen Brown if (debug) 3614889facbeSLen Brown for_all_cpus(print_epb, ODD_COUNTERS); 3615889facbeSLen Brown 3616d8af6f5fSLen Brown if (debug) 36173a9a941dSLen Brown for_all_cpus(print_perf_limit, ODD_COUNTERS); 36183a9a941dSLen Brown 3619d8af6f5fSLen Brown if (debug) 3620889facbeSLen Brown for_all_cpus(print_rapl, ODD_COUNTERS); 3621889facbeSLen Brown 3622889facbeSLen Brown for_all_cpus(set_temperature_target, ODD_COUNTERS); 3623889facbeSLen Brown 3624d8af6f5fSLen Brown if (debug) 3625889facbeSLen Brown for_all_cpus(print_thermal, ODD_COUNTERS); 36265a63426eSLen Brown 36275a63426eSLen Brown if (debug && do_irtl_snb) 36285a63426eSLen Brown print_irtl(); 3629103a8feaSLen Brown } 3630103a8feaSLen Brown 3631103a8feaSLen Brown int fork_it(char **argv) 3632103a8feaSLen Brown { 3633103a8feaSLen Brown pid_t child_pid; 3634d91bb17cSLen Brown int status; 3635d15cf7c1SLen Brown 3636d91bb17cSLen Brown status = for_all_cpus(get_counters, EVEN_COUNTERS); 3637d91bb17cSLen Brown if (status) 3638d91bb17cSLen Brown exit(status); 3639d15cf7c1SLen Brown /* clear affinity side-effect of get_counters() */ 3640d15cf7c1SLen Brown sched_setaffinity(0, cpu_present_setsize, cpu_present_set); 3641103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 3642103a8feaSLen Brown 3643103a8feaSLen Brown child_pid = fork(); 3644103a8feaSLen Brown if (!child_pid) { 3645103a8feaSLen Brown /* child */ 3646103a8feaSLen Brown execvp(argv[0], argv); 3647103a8feaSLen Brown } else { 3648103a8feaSLen Brown 3649103a8feaSLen Brown /* parent */ 3650b2c95d90SJosh Triplett if (child_pid == -1) 3651b2c95d90SJosh Triplett err(1, "fork"); 3652103a8feaSLen Brown 3653103a8feaSLen Brown signal(SIGINT, SIG_IGN); 3654103a8feaSLen Brown signal(SIGQUIT, SIG_IGN); 3655b2c95d90SJosh Triplett if (waitpid(child_pid, &status, 0) == -1) 3656b2c95d90SJosh Triplett err(status, "waitpid"); 3657103a8feaSLen Brown } 3658c98d5d94SLen Brown /* 3659c98d5d94SLen Brown * n.b. fork_it() does not check for errors from for_all_cpus() 3660c98d5d94SLen Brown * because re-starting is problematic when forking 3661c98d5d94SLen Brown */ 3662c98d5d94SLen Brown for_all_cpus(get_counters, ODD_COUNTERS); 3663103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 3664103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 3665c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 3666c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 3667c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 3668103a8feaSLen Brown 3669b7d8c148SLen Brown fprintf(outf, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); 3670b7d8c148SLen Brown 3671b7d8c148SLen Brown flush_output_stderr(); 3672103a8feaSLen Brown 3673d91bb17cSLen Brown return status; 3674103a8feaSLen Brown } 3675103a8feaSLen Brown 36763b4d5c7fSAndy Shevchenko int get_and_dump_counters(void) 36773b4d5c7fSAndy Shevchenko { 36783b4d5c7fSAndy Shevchenko int status; 36793b4d5c7fSAndy Shevchenko 36803b4d5c7fSAndy Shevchenko status = for_all_cpus(get_counters, ODD_COUNTERS); 36813b4d5c7fSAndy Shevchenko if (status) 36823b4d5c7fSAndy Shevchenko return status; 36833b4d5c7fSAndy Shevchenko 36843b4d5c7fSAndy Shevchenko status = for_all_cpus(dump_counters, ODD_COUNTERS); 36853b4d5c7fSAndy Shevchenko if (status) 36863b4d5c7fSAndy Shevchenko return status; 36873b4d5c7fSAndy Shevchenko 3688b7d8c148SLen Brown flush_output_stdout(); 36893b4d5c7fSAndy Shevchenko 36903b4d5c7fSAndy Shevchenko return status; 36913b4d5c7fSAndy Shevchenko } 36923b4d5c7fSAndy Shevchenko 3693d8af6f5fSLen Brown void print_version() { 36940102b067SLen Brown fprintf(outf, "turbostat version 4.11 27 Feb 2016" 3695d8af6f5fSLen Brown " - Len Brown <lenb@kernel.org>\n"); 3696d8af6f5fSLen Brown } 3697d8af6f5fSLen Brown 3698103a8feaSLen Brown void cmdline(int argc, char **argv) 3699103a8feaSLen Brown { 3700103a8feaSLen Brown int opt; 3701d8af6f5fSLen Brown int option_index = 0; 3702d8af6f5fSLen Brown static struct option long_options[] = { 3703d8af6f5fSLen Brown {"Counter", required_argument, 0, 'C'}, 3704d8af6f5fSLen Brown {"counter", required_argument, 0, 'c'}, 3705d8af6f5fSLen Brown {"Dump", no_argument, 0, 'D'}, 3706d8af6f5fSLen Brown {"debug", no_argument, 0, 'd'}, 3707d8af6f5fSLen Brown {"interval", required_argument, 0, 'i'}, 3708d8af6f5fSLen Brown {"help", no_argument, 0, 'h'}, 3709d8af6f5fSLen Brown {"Joules", no_argument, 0, 'J'}, 3710d8af6f5fSLen Brown {"MSR", required_argument, 0, 'M'}, 3711d8af6f5fSLen Brown {"msr", required_argument, 0, 'm'}, 3712b7d8c148SLen Brown {"out", required_argument, 0, 'o'}, 3713d8af6f5fSLen Brown {"Package", no_argument, 0, 'p'}, 3714d8af6f5fSLen Brown {"processor", no_argument, 0, 'p'}, 3715d8af6f5fSLen Brown {"Summary", no_argument, 0, 'S'}, 3716d8af6f5fSLen Brown {"TCC", required_argument, 0, 'T'}, 3717d8af6f5fSLen Brown {"version", no_argument, 0, 'v' }, 3718d8af6f5fSLen Brown {0, 0, 0, 0 } 3719d8af6f5fSLen Brown }; 3720103a8feaSLen Brown 3721103a8feaSLen Brown progname = argv[0]; 3722103a8feaSLen Brown 3723b7d8c148SLen Brown while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:o:PpST:v", 3724d8af6f5fSLen Brown long_options, &option_index)) != -1) { 3725103a8feaSLen Brown switch (opt) { 3726d8af6f5fSLen Brown case 'C': 3727d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_delta_offset64); 3728103a8feaSLen Brown break; 3729f9240813SLen Brown case 'c': 37308e180f3cSLen Brown sscanf(optarg, "%x", &extra_delta_offset32); 37318e180f3cSLen Brown break; 3732d8af6f5fSLen Brown case 'D': 3733d8af6f5fSLen Brown dump_only++; 37348e180f3cSLen Brown break; 3735d8af6f5fSLen Brown case 'd': 3736d8af6f5fSLen Brown debug++; 37372f32edf1SLen Brown break; 3738d8af6f5fSLen Brown case 'h': 3739d8af6f5fSLen Brown default: 3740d8af6f5fSLen Brown help(); 3741d8af6f5fSLen Brown exit(1); 3742d8af6f5fSLen Brown case 'i': 37432a0609c0SLen Brown { 37442a0609c0SLen Brown double interval = strtod(optarg, NULL); 37452a0609c0SLen Brown 37462a0609c0SLen Brown if (interval < 0.001) { 3747b7d8c148SLen Brown fprintf(outf, "interval %f seconds is too small\n", 37482a0609c0SLen Brown interval); 37492a0609c0SLen Brown exit(2); 37502a0609c0SLen Brown } 37512a0609c0SLen Brown 37522a0609c0SLen Brown interval_ts.tv_sec = interval; 37532a0609c0SLen Brown interval_ts.tv_nsec = (interval - interval_ts.tv_sec) * 1000000000; 37542a0609c0SLen Brown } 3755889facbeSLen Brown break; 37565c56be9aSDirk Brandewie case 'J': 37575c56be9aSDirk Brandewie rapl_joules++; 37585c56be9aSDirk Brandewie break; 3759d8af6f5fSLen Brown case 'M': 3760d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset64); 3761d8af6f5fSLen Brown break; 3762d8af6f5fSLen Brown case 'm': 3763d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset32); 3764d8af6f5fSLen Brown break; 3765b7d8c148SLen Brown case 'o': 3766b7d8c148SLen Brown outf = fopen_or_die(optarg, "w"); 3767b7d8c148SLen Brown break; 3768d8af6f5fSLen Brown case 'P': 3769d8af6f5fSLen Brown show_pkg_only++; 3770d8af6f5fSLen Brown break; 3771d8af6f5fSLen Brown case 'p': 3772d8af6f5fSLen Brown show_core_only++; 3773d8af6f5fSLen Brown break; 3774d8af6f5fSLen Brown case 'S': 3775d8af6f5fSLen Brown summary_only++; 3776d8af6f5fSLen Brown break; 3777d8af6f5fSLen Brown case 'T': 3778d8af6f5fSLen Brown tcc_activation_temp_override = atoi(optarg); 3779d8af6f5fSLen Brown break; 3780d8af6f5fSLen Brown case 'v': 3781d8af6f5fSLen Brown print_version(); 3782d8af6f5fSLen Brown exit(0); 3783d8af6f5fSLen Brown break; 3784103a8feaSLen Brown } 3785103a8feaSLen Brown } 3786103a8feaSLen Brown } 3787103a8feaSLen Brown 3788103a8feaSLen Brown int main(int argc, char **argv) 3789103a8feaSLen Brown { 3790b7d8c148SLen Brown outf = stderr; 3791b7d8c148SLen Brown 3792103a8feaSLen Brown cmdline(argc, argv); 3793103a8feaSLen Brown 3794d8af6f5fSLen Brown if (debug) 3795d8af6f5fSLen Brown print_version(); 3796103a8feaSLen Brown 3797103a8feaSLen Brown turbostat_init(); 3798103a8feaSLen Brown 37993b4d5c7fSAndy Shevchenko /* dump counters and exit */ 38003b4d5c7fSAndy Shevchenko if (dump_only) 38013b4d5c7fSAndy Shevchenko return get_and_dump_counters(); 38023b4d5c7fSAndy Shevchenko 3803103a8feaSLen Brown /* 3804103a8feaSLen Brown * if any params left, it must be a command to fork 3805103a8feaSLen Brown */ 3806103a8feaSLen Brown if (argc - optind) 3807103a8feaSLen Brown return fork_it(argv + optind); 3808103a8feaSLen Brown else 3809103a8feaSLen Brown turbostat_loop(); 3810103a8feaSLen Brown 3811103a8feaSLen Brown return 0; 3812103a8feaSLen Brown } 3813