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; 69*5a63426eSLen Brown unsigned int do_irtl_snb; 70*5a63426eSLen 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}; 1301ee7e38e3SLen Brown 1302a2b7b749SLen Brown 1303a2b7b749SLen Brown static void 1304a2b7b749SLen Brown calculate_tsc_tweak() 1305a2b7b749SLen Brown { 1306a2b7b749SLen Brown tsc_tweak = base_hz / tsc_hz; 1307a2b7b749SLen Brown } 1308a2b7b749SLen Brown 1309fcd17211SLen Brown static void 1310fcd17211SLen Brown dump_nhm_platform_info(void) 1311103a8feaSLen Brown { 1312103a8feaSLen Brown unsigned long long msr; 1313103a8feaSLen Brown unsigned int ratio; 1314103a8feaSLen Brown 1315ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 1316103a8feaSLen Brown 1317b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr); 13186574a5d5SLen Brown 1319103a8feaSLen Brown ratio = (msr >> 40) & 0xFF; 1320b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max efficiency frequency\n", 1321103a8feaSLen Brown ratio, bclk, ratio * bclk); 1322103a8feaSLen Brown 1323103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1324b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz base frequency\n", 1325103a8feaSLen Brown ratio, bclk, ratio * bclk); 1326103a8feaSLen Brown 13277ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr); 1328b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n", 1329bfae2052SLen Brown base_cpu, msr, msr & 0x2 ? "EN" : "DIS"); 133067920418SLen Brown 1331fcd17211SLen Brown return; 1332fcd17211SLen Brown } 1333fcd17211SLen Brown 1334fcd17211SLen Brown static void 1335fcd17211SLen Brown dump_hsw_turbo_ratio_limits(void) 1336fcd17211SLen Brown { 1337fcd17211SLen Brown unsigned long long msr; 1338fcd17211SLen Brown unsigned int ratio; 1339fcd17211SLen Brown 13407ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr); 1341fcd17211SLen Brown 1342b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr); 1343fcd17211SLen Brown 1344fcd17211SLen Brown ratio = (msr >> 8) & 0xFF; 1345fcd17211SLen Brown if (ratio) 1346b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 18 active cores\n", 1347fcd17211SLen Brown ratio, bclk, ratio * bclk); 1348fcd17211SLen Brown 1349fcd17211SLen Brown ratio = (msr >> 0) & 0xFF; 1350fcd17211SLen Brown if (ratio) 1351b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 17 active cores\n", 1352fcd17211SLen Brown ratio, bclk, ratio * bclk); 1353fcd17211SLen Brown return; 1354fcd17211SLen Brown } 1355fcd17211SLen Brown 1356fcd17211SLen Brown static void 1357fcd17211SLen Brown dump_ivt_turbo_ratio_limits(void) 1358fcd17211SLen Brown { 1359fcd17211SLen Brown unsigned long long msr; 1360fcd17211SLen Brown unsigned int ratio; 13616574a5d5SLen Brown 13627ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr); 13636574a5d5SLen Brown 1364b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr); 13656574a5d5SLen Brown 13666574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 13676574a5d5SLen Brown if (ratio) 1368b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 16 active cores\n", 13696574a5d5SLen Brown ratio, bclk, ratio * bclk); 13706574a5d5SLen Brown 13716574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 13726574a5d5SLen Brown if (ratio) 1373b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 15 active cores\n", 13746574a5d5SLen Brown ratio, bclk, ratio * bclk); 13756574a5d5SLen Brown 13766574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 13776574a5d5SLen Brown if (ratio) 1378b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 14 active cores\n", 13796574a5d5SLen Brown ratio, bclk, ratio * bclk); 13806574a5d5SLen Brown 13816574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 13826574a5d5SLen Brown if (ratio) 1383b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 13 active cores\n", 13846574a5d5SLen Brown ratio, bclk, ratio * bclk); 13856574a5d5SLen Brown 13866574a5d5SLen Brown ratio = (msr >> 24) & 0xFF; 13876574a5d5SLen Brown if (ratio) 1388b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 12 active cores\n", 13896574a5d5SLen Brown ratio, bclk, ratio * bclk); 13906574a5d5SLen Brown 13916574a5d5SLen Brown ratio = (msr >> 16) & 0xFF; 13926574a5d5SLen Brown if (ratio) 1393b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 11 active cores\n", 13946574a5d5SLen Brown ratio, bclk, ratio * bclk); 13956574a5d5SLen Brown 13966574a5d5SLen Brown ratio = (msr >> 8) & 0xFF; 13976574a5d5SLen Brown if (ratio) 1398b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 10 active cores\n", 13996574a5d5SLen Brown ratio, bclk, ratio * bclk); 14006574a5d5SLen Brown 14016574a5d5SLen Brown ratio = (msr >> 0) & 0xFF; 14026574a5d5SLen Brown if (ratio) 1403b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 9 active cores\n", 14046574a5d5SLen Brown ratio, bclk, ratio * bclk); 1405103a8feaSLen Brown return; 1406fcd17211SLen Brown } 1407fcd17211SLen Brown 1408fcd17211SLen Brown static void 1409fcd17211SLen Brown dump_nhm_turbo_ratio_limits(void) 1410fcd17211SLen Brown { 1411fcd17211SLen Brown unsigned long long msr; 1412fcd17211SLen Brown unsigned int ratio; 1413103a8feaSLen Brown 14147ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); 1415103a8feaSLen Brown 1416b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr); 14176574a5d5SLen Brown 14186574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 14196574a5d5SLen Brown if (ratio) 1420b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 8 active cores\n", 14216574a5d5SLen Brown ratio, bclk, ratio * bclk); 14226574a5d5SLen Brown 14236574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 14246574a5d5SLen Brown if (ratio) 1425b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 7 active cores\n", 14266574a5d5SLen Brown ratio, bclk, ratio * bclk); 14276574a5d5SLen Brown 14286574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 14296574a5d5SLen Brown if (ratio) 1430b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 6 active cores\n", 14316574a5d5SLen Brown ratio, bclk, ratio * bclk); 14326574a5d5SLen Brown 14336574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 14346574a5d5SLen Brown if (ratio) 1435b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 5 active cores\n", 14366574a5d5SLen Brown ratio, bclk, ratio * bclk); 14376574a5d5SLen Brown 1438103a8feaSLen Brown ratio = (msr >> 24) & 0xFF; 1439103a8feaSLen Brown if (ratio) 1440b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 4 active cores\n", 1441103a8feaSLen Brown ratio, bclk, ratio * bclk); 1442103a8feaSLen Brown 1443103a8feaSLen Brown ratio = (msr >> 16) & 0xFF; 1444103a8feaSLen Brown if (ratio) 1445b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 3 active cores\n", 1446103a8feaSLen Brown ratio, bclk, ratio * bclk); 1447103a8feaSLen Brown 1448103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1449103a8feaSLen Brown if (ratio) 1450b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 2 active cores\n", 1451103a8feaSLen Brown ratio, bclk, ratio * bclk); 1452103a8feaSLen Brown 1453103a8feaSLen Brown ratio = (msr >> 0) & 0xFF; 1454103a8feaSLen Brown if (ratio) 1455b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 1 active cores\n", 1456103a8feaSLen Brown ratio, bclk, ratio * bclk); 1457fcd17211SLen Brown return; 1458fcd17211SLen Brown } 14593a9a941dSLen Brown 1460fcd17211SLen Brown static void 1461fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(void) 1462fb5d4327SDasaratharaman Chandramouli { 1463cbf97abaSHubert Chrzaniuk const unsigned int buckets_no = 7; 1464cbf97abaSHubert Chrzaniuk 1465fb5d4327SDasaratharaman Chandramouli unsigned long long msr; 1466cbf97abaSHubert Chrzaniuk int delta_cores, delta_ratio; 1467cbf97abaSHubert Chrzaniuk int i, b_nr; 1468cbf97abaSHubert Chrzaniuk unsigned int cores[buckets_no]; 1469cbf97abaSHubert Chrzaniuk unsigned int ratio[buckets_no]; 1470fb5d4327SDasaratharaman Chandramouli 14717ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_TURBO_RATIO_LIMIT, &msr); 1472fb5d4327SDasaratharaman Chandramouli 1473b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", 1474bfae2052SLen Brown base_cpu, msr); 1475fb5d4327SDasaratharaman Chandramouli 1476fb5d4327SDasaratharaman Chandramouli /** 1477fb5d4327SDasaratharaman Chandramouli * Turbo encoding in KNL is as follows: 1478cbf97abaSHubert Chrzaniuk * [0] -- Reserved 1479cbf97abaSHubert Chrzaniuk * [7:1] -- Base value of number of active cores of bucket 1. 1480fb5d4327SDasaratharaman Chandramouli * [15:8] -- Base value of freq ratio of bucket 1. 1481fb5d4327SDasaratharaman Chandramouli * [20:16] -- +ve delta of number of active cores of bucket 2. 1482fb5d4327SDasaratharaman Chandramouli * i.e. active cores of bucket 2 = 1483fb5d4327SDasaratharaman Chandramouli * active cores of bucket 1 + delta 1484fb5d4327SDasaratharaman Chandramouli * [23:21] -- Negative delta of freq ratio of bucket 2. 1485fb5d4327SDasaratharaman Chandramouli * i.e. freq ratio of bucket 2 = 1486fb5d4327SDasaratharaman Chandramouli * freq ratio of bucket 1 - delta 1487fb5d4327SDasaratharaman Chandramouli * [28:24]-- +ve delta of number of active cores of bucket 3. 1488fb5d4327SDasaratharaman Chandramouli * [31:29]-- -ve delta of freq ratio of bucket 3. 1489fb5d4327SDasaratharaman Chandramouli * [36:32]-- +ve delta of number of active cores of bucket 4. 1490fb5d4327SDasaratharaman Chandramouli * [39:37]-- -ve delta of freq ratio of bucket 4. 1491fb5d4327SDasaratharaman Chandramouli * [44:40]-- +ve delta of number of active cores of bucket 5. 1492fb5d4327SDasaratharaman Chandramouli * [47:45]-- -ve delta of freq ratio of bucket 5. 1493fb5d4327SDasaratharaman Chandramouli * [52:48]-- +ve delta of number of active cores of bucket 6. 1494fb5d4327SDasaratharaman Chandramouli * [55:53]-- -ve delta of freq ratio of bucket 6. 1495fb5d4327SDasaratharaman Chandramouli * [60:56]-- +ve delta of number of active cores of bucket 7. 1496fb5d4327SDasaratharaman Chandramouli * [63:61]-- -ve delta of freq ratio of bucket 7. 1497fb5d4327SDasaratharaman Chandramouli */ 1498fb5d4327SDasaratharaman Chandramouli 1499cbf97abaSHubert Chrzaniuk b_nr = 0; 1500cbf97abaSHubert Chrzaniuk cores[b_nr] = (msr & 0xFF) >> 1; 1501cbf97abaSHubert Chrzaniuk ratio[b_nr] = (msr >> 8) & 0xFF; 1502cbf97abaSHubert Chrzaniuk 1503cbf97abaSHubert Chrzaniuk for (i = 16; i < 64; i += 8) { 1504fb5d4327SDasaratharaman Chandramouli delta_cores = (msr >> i) & 0x1F; 1505cbf97abaSHubert Chrzaniuk delta_ratio = (msr >> (i + 5)) & 0x7; 1506fb5d4327SDasaratharaman Chandramouli 1507cbf97abaSHubert Chrzaniuk cores[b_nr + 1] = cores[b_nr] + delta_cores; 1508cbf97abaSHubert Chrzaniuk ratio[b_nr + 1] = ratio[b_nr] - delta_ratio; 1509cbf97abaSHubert Chrzaniuk b_nr++; 1510cbf97abaSHubert Chrzaniuk } 1511cbf97abaSHubert Chrzaniuk 1512cbf97abaSHubert Chrzaniuk for (i = buckets_no - 1; i >= 0; i--) 1513cbf97abaSHubert Chrzaniuk if (i > 0 ? ratio[i] != ratio[i - 1] : 1) 1514b7d8c148SLen Brown fprintf(outf, 1515fb5d4327SDasaratharaman Chandramouli "%d * %.0f = %.0f MHz max turbo %d active cores\n", 1516cbf97abaSHubert Chrzaniuk ratio[i], bclk, ratio[i] * bclk, cores[i]); 1517fb5d4327SDasaratharaman Chandramouli } 1518fb5d4327SDasaratharaman Chandramouli 1519fb5d4327SDasaratharaman Chandramouli static void 1520fcd17211SLen Brown dump_nhm_cst_cfg(void) 1521fcd17211SLen Brown { 1522fcd17211SLen Brown unsigned long long msr; 1523fcd17211SLen Brown 15247ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1525fcd17211SLen Brown 1526fcd17211SLen Brown #define SNB_C1_AUTO_UNDEMOTE (1UL << 27) 1527fcd17211SLen Brown #define SNB_C3_AUTO_UNDEMOTE (1UL << 28) 1528fcd17211SLen Brown 1529b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", base_cpu, msr); 1530fcd17211SLen Brown 1531b7d8c148SLen Brown fprintf(outf, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n", 1532fcd17211SLen Brown (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "", 1533fcd17211SLen Brown (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "", 1534fcd17211SLen Brown (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "", 1535fcd17211SLen Brown (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "", 1536fcd17211SLen Brown (msr & (1 << 15)) ? "" : "UN", 15376c34f160SLen Brown (unsigned int)msr & 0xF, 1538fcd17211SLen Brown pkg_cstate_limit_strings[pkg_cstate_limit]); 1539fcd17211SLen Brown return; 1540103a8feaSLen Brown } 1541103a8feaSLen Brown 15426fb3143bSLen Brown static void 15436fb3143bSLen Brown dump_config_tdp(void) 15446fb3143bSLen Brown { 15456fb3143bSLen Brown unsigned long long msr; 15466fb3143bSLen Brown 15476fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr); 1548b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr); 1549685b535bSChen Yu fprintf(outf, " (base_ratio=%d)\n", (unsigned int)msr & 0xFF); 15506fb3143bSLen Brown 15516fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr); 1552b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr); 15536fb3143bSLen Brown if (msr) { 1554685b535bSChen Yu fprintf(outf, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0x7FFF); 1555685b535bSChen Yu fprintf(outf, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0x7FFF); 1556685b535bSChen Yu fprintf(outf, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF); 1557685b535bSChen Yu fprintf(outf, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0x7FFF); 15586fb3143bSLen Brown } 1559b7d8c148SLen Brown fprintf(outf, ")\n"); 15606fb3143bSLen Brown 15616fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr); 1562b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr); 15636fb3143bSLen Brown if (msr) { 1564685b535bSChen Yu fprintf(outf, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0x7FFF); 1565685b535bSChen Yu fprintf(outf, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0x7FFF); 1566685b535bSChen Yu fprintf(outf, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF); 1567685b535bSChen Yu fprintf(outf, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0x7FFF); 15686fb3143bSLen Brown } 1569b7d8c148SLen Brown fprintf(outf, ")\n"); 15706fb3143bSLen Brown 15716fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr); 1572b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr); 15736fb3143bSLen Brown if ((msr) & 0x3) 1574b7d8c148SLen Brown fprintf(outf, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3); 1575b7d8c148SLen Brown fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 1576b7d8c148SLen Brown fprintf(outf, ")\n"); 15776fb3143bSLen Brown 15786fb3143bSLen Brown get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr); 1579b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr); 1580685b535bSChen Yu fprintf(outf, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0xFF); 1581b7d8c148SLen Brown fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 1582b7d8c148SLen Brown fprintf(outf, ")\n"); 15836fb3143bSLen Brown } 1584*5a63426eSLen Brown 1585*5a63426eSLen Brown unsigned int irtl_time_units[] = {1, 32, 1024, 32768, 1048576, 33554432, 0, 0 }; 1586*5a63426eSLen Brown 1587*5a63426eSLen Brown void print_irtl(void) 1588*5a63426eSLen Brown { 1589*5a63426eSLen Brown unsigned long long msr; 1590*5a63426eSLen Brown 1591*5a63426eSLen Brown get_msr(base_cpu, MSR_PKGC3_IRTL, &msr); 1592*5a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC3_IRTL: 0x%08llx (", base_cpu, msr); 1593*5a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 1594*5a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 1595*5a63426eSLen Brown 1596*5a63426eSLen Brown get_msr(base_cpu, MSR_PKGC6_IRTL, &msr); 1597*5a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC6_IRTL: 0x%08llx (", base_cpu, msr); 1598*5a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 1599*5a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 1600*5a63426eSLen Brown 1601*5a63426eSLen Brown get_msr(base_cpu, MSR_PKGC7_IRTL, &msr); 1602*5a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC7_IRTL: 0x%08llx (", base_cpu, msr); 1603*5a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 1604*5a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 1605*5a63426eSLen Brown 1606*5a63426eSLen Brown if (!do_irtl_hsw) 1607*5a63426eSLen Brown return; 1608*5a63426eSLen Brown 1609*5a63426eSLen Brown get_msr(base_cpu, MSR_PKGC8_IRTL, &msr); 1610*5a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC8_IRTL: 0x%08llx (", base_cpu, msr); 1611*5a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 1612*5a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 1613*5a63426eSLen Brown 1614*5a63426eSLen Brown get_msr(base_cpu, MSR_PKGC9_IRTL, &msr); 1615*5a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC9_IRTL: 0x%08llx (", base_cpu, msr); 1616*5a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 1617*5a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 1618*5a63426eSLen Brown 1619*5a63426eSLen Brown get_msr(base_cpu, MSR_PKGC10_IRTL, &msr); 1620*5a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC10_IRTL: 0x%08llx (", base_cpu, msr); 1621*5a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 1622*5a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 1623*5a63426eSLen Brown 1624*5a63426eSLen Brown } 162536229897SLen Brown void free_fd_percpu(void) 162636229897SLen Brown { 162736229897SLen Brown int i; 162836229897SLen Brown 162936229897SLen Brown for (i = 0; i < topo.max_cpu_num; ++i) { 163036229897SLen Brown if (fd_percpu[i] != 0) 163136229897SLen Brown close(fd_percpu[i]); 163236229897SLen Brown } 163336229897SLen Brown 163436229897SLen Brown free(fd_percpu); 163536229897SLen Brown } 16366fb3143bSLen Brown 1637c98d5d94SLen Brown void free_all_buffers(void) 1638103a8feaSLen Brown { 1639c98d5d94SLen Brown CPU_FREE(cpu_present_set); 1640c98d5d94SLen Brown cpu_present_set = NULL; 164136229897SLen Brown cpu_present_setsize = 0; 1642103a8feaSLen Brown 1643c98d5d94SLen Brown CPU_FREE(cpu_affinity_set); 1644c98d5d94SLen Brown cpu_affinity_set = NULL; 1645c98d5d94SLen Brown cpu_affinity_setsize = 0; 1646103a8feaSLen Brown 1647c98d5d94SLen Brown free(thread_even); 1648c98d5d94SLen Brown free(core_even); 1649c98d5d94SLen Brown free(package_even); 1650103a8feaSLen Brown 1651c98d5d94SLen Brown thread_even = NULL; 1652c98d5d94SLen Brown core_even = NULL; 1653c98d5d94SLen Brown package_even = NULL; 1654103a8feaSLen Brown 1655c98d5d94SLen Brown free(thread_odd); 1656c98d5d94SLen Brown free(core_odd); 1657c98d5d94SLen Brown free(package_odd); 1658103a8feaSLen Brown 1659c98d5d94SLen Brown thread_odd = NULL; 1660c98d5d94SLen Brown core_odd = NULL; 1661c98d5d94SLen Brown package_odd = NULL; 1662103a8feaSLen Brown 1663c98d5d94SLen Brown free(output_buffer); 1664c98d5d94SLen Brown output_buffer = NULL; 1665c98d5d94SLen Brown outp = NULL; 166636229897SLen Brown 166736229897SLen Brown free_fd_percpu(); 1668562a2d37SLen Brown 1669562a2d37SLen Brown free(irq_column_2_cpu); 1670562a2d37SLen Brown free(irqs_per_cpu); 1671103a8feaSLen Brown } 1672103a8feaSLen Brown 1673103a8feaSLen Brown /* 167457a42a34SJosh Triplett * Open a file, and exit on failure 167557a42a34SJosh Triplett */ 167657a42a34SJosh Triplett FILE *fopen_or_die(const char *path, const char *mode) 167757a42a34SJosh Triplett { 1678b7d8c148SLen Brown FILE *filep = fopen(path, mode); 1679b2c95d90SJosh Triplett if (!filep) 1680b2c95d90SJosh Triplett err(1, "%s: open failed", path); 168157a42a34SJosh Triplett return filep; 168257a42a34SJosh Triplett } 168357a42a34SJosh Triplett 168457a42a34SJosh Triplett /* 168595aebc44SJosh Triplett * Parse a file containing a single int. 168695aebc44SJosh Triplett */ 168795aebc44SJosh Triplett int parse_int_file(const char *fmt, ...) 168895aebc44SJosh Triplett { 168995aebc44SJosh Triplett va_list args; 169095aebc44SJosh Triplett char path[PATH_MAX]; 169195aebc44SJosh Triplett FILE *filep; 169295aebc44SJosh Triplett int value; 169395aebc44SJosh Triplett 169495aebc44SJosh Triplett va_start(args, fmt); 169595aebc44SJosh Triplett vsnprintf(path, sizeof(path), fmt, args); 169695aebc44SJosh Triplett va_end(args); 169757a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1698b2c95d90SJosh Triplett if (fscanf(filep, "%d", &value) != 1) 1699b2c95d90SJosh Triplett err(1, "%s: failed to parse number from file", path); 170095aebc44SJosh Triplett fclose(filep); 170195aebc44SJosh Triplett return value; 170295aebc44SJosh Triplett } 170395aebc44SJosh Triplett 170495aebc44SJosh Triplett /* 1705e275b388SDasaratharaman Chandramouli * get_cpu_position_in_core(cpu) 1706e275b388SDasaratharaman Chandramouli * return the position of the CPU among its HT siblings in the core 1707e275b388SDasaratharaman Chandramouli * return -1 if the sibling is not in list 1708103a8feaSLen Brown */ 1709e275b388SDasaratharaman Chandramouli int get_cpu_position_in_core(int cpu) 1710103a8feaSLen Brown { 1711e275b388SDasaratharaman Chandramouli char path[64]; 1712e275b388SDasaratharaman Chandramouli FILE *filep; 1713e275b388SDasaratharaman Chandramouli int this_cpu; 1714e275b388SDasaratharaman Chandramouli char character; 1715e275b388SDasaratharaman Chandramouli int i; 1716e275b388SDasaratharaman Chandramouli 1717e275b388SDasaratharaman Chandramouli sprintf(path, 1718e275b388SDasaratharaman Chandramouli "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", 1719e275b388SDasaratharaman Chandramouli cpu); 1720e275b388SDasaratharaman Chandramouli filep = fopen(path, "r"); 1721e275b388SDasaratharaman Chandramouli if (filep == NULL) { 1722e275b388SDasaratharaman Chandramouli perror(path); 1723e275b388SDasaratharaman Chandramouli exit(1); 1724e275b388SDasaratharaman Chandramouli } 1725e275b388SDasaratharaman Chandramouli 1726e275b388SDasaratharaman Chandramouli for (i = 0; i < topo.num_threads_per_core; i++) { 1727e275b388SDasaratharaman Chandramouli fscanf(filep, "%d", &this_cpu); 1728e275b388SDasaratharaman Chandramouli if (this_cpu == cpu) { 1729e275b388SDasaratharaman Chandramouli fclose(filep); 1730e275b388SDasaratharaman Chandramouli return i; 1731e275b388SDasaratharaman Chandramouli } 1732e275b388SDasaratharaman Chandramouli 1733e275b388SDasaratharaman Chandramouli /* Account for no separator after last thread*/ 1734e275b388SDasaratharaman Chandramouli if (i != (topo.num_threads_per_core - 1)) 1735e275b388SDasaratharaman Chandramouli fscanf(filep, "%c", &character); 1736e275b388SDasaratharaman Chandramouli } 1737e275b388SDasaratharaman Chandramouli 1738e275b388SDasaratharaman Chandramouli fclose(filep); 1739e275b388SDasaratharaman Chandramouli return -1; 1740c98d5d94SLen Brown } 1741103a8feaSLen Brown 1742c98d5d94SLen Brown /* 1743c98d5d94SLen Brown * cpu_is_first_core_in_package(cpu) 1744c98d5d94SLen Brown * return 1 if given CPU is 1st core in package 1745c98d5d94SLen Brown */ 1746c98d5d94SLen Brown int cpu_is_first_core_in_package(int cpu) 1747c98d5d94SLen Brown { 174895aebc44SJosh Triplett return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); 1749103a8feaSLen Brown } 1750103a8feaSLen Brown 1751103a8feaSLen Brown int get_physical_package_id(int cpu) 1752103a8feaSLen Brown { 175395aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); 1754103a8feaSLen Brown } 1755103a8feaSLen Brown 1756103a8feaSLen Brown int get_core_id(int cpu) 1757103a8feaSLen Brown { 175895aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); 1759103a8feaSLen Brown } 1760103a8feaSLen Brown 1761c98d5d94SLen Brown int get_num_ht_siblings(int cpu) 1762c98d5d94SLen Brown { 1763c98d5d94SLen Brown char path[80]; 1764c98d5d94SLen Brown FILE *filep; 1765e275b388SDasaratharaman Chandramouli int sib1; 1766e275b388SDasaratharaman Chandramouli int matches = 0; 1767c98d5d94SLen Brown char character; 1768e275b388SDasaratharaman Chandramouli char str[100]; 1769e275b388SDasaratharaman Chandramouli char *ch; 1770c98d5d94SLen Brown 1771c98d5d94SLen Brown sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); 177257a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1773e275b388SDasaratharaman Chandramouli 1774103a8feaSLen Brown /* 1775c98d5d94SLen Brown * file format: 1776e275b388SDasaratharaman Chandramouli * A ',' separated or '-' separated set of numbers 1777e275b388SDasaratharaman Chandramouli * (eg 1-2 or 1,3,4,5) 1778c98d5d94SLen Brown */ 1779e275b388SDasaratharaman Chandramouli fscanf(filep, "%d%c\n", &sib1, &character); 1780e275b388SDasaratharaman Chandramouli fseek(filep, 0, SEEK_SET); 1781e275b388SDasaratharaman Chandramouli fgets(str, 100, filep); 1782e275b388SDasaratharaman Chandramouli ch = strchr(str, character); 1783e275b388SDasaratharaman Chandramouli while (ch != NULL) { 1784e275b388SDasaratharaman Chandramouli matches++; 1785e275b388SDasaratharaman Chandramouli ch = strchr(ch+1, character); 1786e275b388SDasaratharaman Chandramouli } 1787c98d5d94SLen Brown 1788c98d5d94SLen Brown fclose(filep); 1789e275b388SDasaratharaman Chandramouli return matches+1; 1790c98d5d94SLen Brown } 1791c98d5d94SLen Brown 1792c98d5d94SLen Brown /* 1793c98d5d94SLen Brown * run func(thread, core, package) in topology order 1794c98d5d94SLen Brown * skip non-present cpus 1795103a8feaSLen Brown */ 1796103a8feaSLen Brown 1797c98d5d94SLen Brown int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *, 1798c98d5d94SLen Brown struct pkg_data *, struct thread_data *, struct core_data *, 1799c98d5d94SLen Brown struct pkg_data *), struct thread_data *thread_base, 1800c98d5d94SLen Brown struct core_data *core_base, struct pkg_data *pkg_base, 1801c98d5d94SLen Brown struct thread_data *thread_base2, struct core_data *core_base2, 1802c98d5d94SLen Brown struct pkg_data *pkg_base2) 1803c98d5d94SLen Brown { 1804c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 1805c98d5d94SLen Brown 1806c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 1807c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 1808c98d5d94SLen Brown for (thread_no = 0; thread_no < 1809c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 1810c98d5d94SLen Brown struct thread_data *t, *t2; 1811c98d5d94SLen Brown struct core_data *c, *c2; 1812c98d5d94SLen Brown struct pkg_data *p, *p2; 1813c98d5d94SLen Brown 1814c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 1815c98d5d94SLen Brown 1816c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 1817c98d5d94SLen Brown continue; 1818c98d5d94SLen Brown 1819c98d5d94SLen Brown t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no); 1820c98d5d94SLen Brown 1821c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 1822c98d5d94SLen Brown c2 = GET_CORE(core_base2, core_no, pkg_no); 1823c98d5d94SLen Brown 1824c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 1825c98d5d94SLen Brown p2 = GET_PKG(pkg_base2, pkg_no); 1826c98d5d94SLen Brown 1827c98d5d94SLen Brown retval = func(t, c, p, t2, c2, p2); 1828c98d5d94SLen Brown if (retval) 1829c98d5d94SLen Brown return retval; 1830c98d5d94SLen Brown } 1831c98d5d94SLen Brown } 1832c98d5d94SLen Brown } 1833c98d5d94SLen Brown return 0; 1834c98d5d94SLen Brown } 1835c98d5d94SLen Brown 1836c98d5d94SLen Brown /* 1837c98d5d94SLen Brown * run func(cpu) on every cpu in /proc/stat 1838c98d5d94SLen Brown * return max_cpu number 1839c98d5d94SLen Brown */ 1840c98d5d94SLen Brown int for_all_proc_cpus(int (func)(int)) 1841103a8feaSLen Brown { 1842103a8feaSLen Brown FILE *fp; 1843c98d5d94SLen Brown int cpu_num; 1844103a8feaSLen Brown int retval; 1845103a8feaSLen Brown 184657a42a34SJosh Triplett fp = fopen_or_die(proc_stat, "r"); 1847103a8feaSLen Brown 1848103a8feaSLen Brown retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n"); 1849b2c95d90SJosh Triplett if (retval != 0) 1850b2c95d90SJosh Triplett err(1, "%s: failed to parse format", proc_stat); 1851103a8feaSLen Brown 1852c98d5d94SLen Brown while (1) { 1853c98d5d94SLen Brown retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num); 1854103a8feaSLen Brown if (retval != 1) 1855103a8feaSLen Brown break; 1856103a8feaSLen Brown 1857c98d5d94SLen Brown retval = func(cpu_num); 1858c98d5d94SLen Brown if (retval) { 1859c98d5d94SLen Brown fclose(fp); 1860c98d5d94SLen Brown return(retval); 1861c98d5d94SLen Brown } 1862103a8feaSLen Brown } 1863103a8feaSLen Brown fclose(fp); 1864c98d5d94SLen Brown return 0; 1865103a8feaSLen Brown } 1866103a8feaSLen Brown 1867103a8feaSLen Brown void re_initialize(void) 1868103a8feaSLen Brown { 1869c98d5d94SLen Brown free_all_buffers(); 1870c98d5d94SLen Brown setup_all_buffers(); 1871c98d5d94SLen Brown printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus); 1872103a8feaSLen Brown } 1873103a8feaSLen Brown 1874c98d5d94SLen Brown 1875103a8feaSLen Brown /* 1876c98d5d94SLen Brown * count_cpus() 1877c98d5d94SLen Brown * remember the last one seen, it will be the max 1878103a8feaSLen Brown */ 1879c98d5d94SLen Brown int count_cpus(int cpu) 1880103a8feaSLen Brown { 1881c98d5d94SLen Brown if (topo.max_cpu_num < cpu) 1882c98d5d94SLen Brown topo.max_cpu_num = cpu; 1883103a8feaSLen Brown 1884c98d5d94SLen Brown topo.num_cpus += 1; 1885c98d5d94SLen Brown return 0; 1886103a8feaSLen Brown } 1887c98d5d94SLen Brown int mark_cpu_present(int cpu) 1888c98d5d94SLen Brown { 1889c98d5d94SLen Brown CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set); 189015aaa346SLen Brown return 0; 1891103a8feaSLen Brown } 1892103a8feaSLen Brown 1893562a2d37SLen Brown /* 1894562a2d37SLen Brown * snapshot_proc_interrupts() 1895562a2d37SLen Brown * 1896562a2d37SLen Brown * read and record summary of /proc/interrupts 1897562a2d37SLen Brown * 1898562a2d37SLen Brown * return 1 if config change requires a restart, else return 0 1899562a2d37SLen Brown */ 1900562a2d37SLen Brown int snapshot_proc_interrupts(void) 1901562a2d37SLen Brown { 1902562a2d37SLen Brown static FILE *fp; 1903562a2d37SLen Brown int column, retval; 1904562a2d37SLen Brown 1905562a2d37SLen Brown if (fp == NULL) 1906562a2d37SLen Brown fp = fopen_or_die("/proc/interrupts", "r"); 1907562a2d37SLen Brown else 1908562a2d37SLen Brown rewind(fp); 1909562a2d37SLen Brown 1910562a2d37SLen Brown /* read 1st line of /proc/interrupts to get cpu* name for each column */ 1911562a2d37SLen Brown for (column = 0; column < topo.num_cpus; ++column) { 1912562a2d37SLen Brown int cpu_number; 1913562a2d37SLen Brown 1914562a2d37SLen Brown retval = fscanf(fp, " CPU%d", &cpu_number); 1915562a2d37SLen Brown if (retval != 1) 1916562a2d37SLen Brown break; 1917562a2d37SLen Brown 1918562a2d37SLen Brown if (cpu_number > topo.max_cpu_num) { 1919562a2d37SLen Brown warn("/proc/interrupts: cpu%d: > %d", cpu_number, topo.max_cpu_num); 1920562a2d37SLen Brown return 1; 1921562a2d37SLen Brown } 1922562a2d37SLen Brown 1923562a2d37SLen Brown irq_column_2_cpu[column] = cpu_number; 1924562a2d37SLen Brown irqs_per_cpu[cpu_number] = 0; 1925562a2d37SLen Brown } 1926562a2d37SLen Brown 1927562a2d37SLen Brown /* read /proc/interrupt count lines and sum up irqs per cpu */ 1928562a2d37SLen Brown while (1) { 1929562a2d37SLen Brown int column; 1930562a2d37SLen Brown char buf[64]; 1931562a2d37SLen Brown 1932562a2d37SLen Brown retval = fscanf(fp, " %s:", buf); /* flush irq# "N:" */ 1933562a2d37SLen Brown if (retval != 1) 1934562a2d37SLen Brown break; 1935562a2d37SLen Brown 1936562a2d37SLen Brown /* read the count per cpu */ 1937562a2d37SLen Brown for (column = 0; column < topo.num_cpus; ++column) { 1938562a2d37SLen Brown 1939562a2d37SLen Brown int cpu_number, irq_count; 1940562a2d37SLen Brown 1941562a2d37SLen Brown retval = fscanf(fp, " %d", &irq_count); 1942562a2d37SLen Brown if (retval != 1) 1943562a2d37SLen Brown break; 1944562a2d37SLen Brown 1945562a2d37SLen Brown cpu_number = irq_column_2_cpu[column]; 1946562a2d37SLen Brown irqs_per_cpu[cpu_number] += irq_count; 1947562a2d37SLen Brown 1948562a2d37SLen Brown } 1949562a2d37SLen Brown 1950562a2d37SLen Brown while (getc(fp) != '\n') 1951562a2d37SLen Brown ; /* flush interrupt description */ 1952562a2d37SLen Brown 1953562a2d37SLen Brown } 1954562a2d37SLen Brown return 0; 1955562a2d37SLen Brown } 195627d47356SLen Brown /* 1957fdf676e5SLen Brown * snapshot_gfx_rc6_ms() 1958fdf676e5SLen Brown * 1959fdf676e5SLen Brown * record snapshot of 1960fdf676e5SLen Brown * /sys/class/drm/card0/power/rc6_residency_ms 1961fdf676e5SLen Brown * 1962fdf676e5SLen Brown * return 1 if config change requires a restart, else return 0 1963fdf676e5SLen Brown */ 1964fdf676e5SLen Brown int snapshot_gfx_rc6_ms(void) 1965fdf676e5SLen Brown { 1966fdf676e5SLen Brown FILE *fp; 1967fdf676e5SLen Brown int retval; 1968fdf676e5SLen Brown 1969fdf676e5SLen Brown fp = fopen_or_die("/sys/class/drm/card0/power/rc6_residency_ms", "r"); 1970fdf676e5SLen Brown 1971fdf676e5SLen Brown retval = fscanf(fp, "%lld", &gfx_cur_rc6_ms); 1972fdf676e5SLen Brown if (retval != 1) 1973fdf676e5SLen Brown err(1, "GFX rc6"); 1974fdf676e5SLen Brown 1975fdf676e5SLen Brown fclose(fp); 1976fdf676e5SLen Brown 1977fdf676e5SLen Brown return 0; 1978fdf676e5SLen Brown } 1979fdf676e5SLen Brown /* 198027d47356SLen Brown * snapshot_gfx_mhz() 198127d47356SLen Brown * 198227d47356SLen Brown * record snapshot of 198327d47356SLen Brown * /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz 198427d47356SLen Brown * 198527d47356SLen Brown * return 1 if config change requires a restart, else return 0 198627d47356SLen Brown */ 198727d47356SLen Brown int snapshot_gfx_mhz(void) 198827d47356SLen Brown { 198927d47356SLen Brown static FILE *fp; 199027d47356SLen Brown int retval; 199127d47356SLen Brown 199227d47356SLen Brown if (fp == NULL) 199327d47356SLen Brown fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r"); 199427d47356SLen Brown else 199527d47356SLen Brown rewind(fp); 199627d47356SLen Brown 199727d47356SLen Brown retval = fscanf(fp, "%d", &gfx_cur_mhz); 199827d47356SLen Brown if (retval != 1) 199927d47356SLen Brown err(1, "GFX MHz"); 200027d47356SLen Brown 200127d47356SLen Brown return 0; 200227d47356SLen Brown } 2003562a2d37SLen Brown 2004562a2d37SLen Brown /* 2005562a2d37SLen Brown * snapshot /proc and /sys files 2006562a2d37SLen Brown * 2007562a2d37SLen Brown * return 1 if configuration restart needed, else return 0 2008562a2d37SLen Brown */ 2009562a2d37SLen Brown int snapshot_proc_sysfs_files(void) 2010562a2d37SLen Brown { 2011562a2d37SLen Brown if (snapshot_proc_interrupts()) 2012562a2d37SLen Brown return 1; 2013562a2d37SLen Brown 2014fdf676e5SLen Brown if (do_gfx_rc6_ms) 2015fdf676e5SLen Brown snapshot_gfx_rc6_ms(); 2016fdf676e5SLen Brown 201727d47356SLen Brown if (do_gfx_mhz) 201827d47356SLen Brown snapshot_gfx_mhz(); 201927d47356SLen Brown 2020562a2d37SLen Brown return 0; 2021562a2d37SLen Brown } 2022562a2d37SLen Brown 2023103a8feaSLen Brown void turbostat_loop() 2024103a8feaSLen Brown { 2025c98d5d94SLen Brown int retval; 2026e52966c0SLen Brown int restarted = 0; 2027c98d5d94SLen Brown 2028103a8feaSLen Brown restart: 2029e52966c0SLen Brown restarted++; 2030e52966c0SLen Brown 2031562a2d37SLen Brown snapshot_proc_sysfs_files(); 2032c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 2033d91bb17cSLen Brown if (retval < -1) { 2034d91bb17cSLen Brown exit(retval); 2035d91bb17cSLen Brown } else if (retval == -1) { 2036e52966c0SLen Brown if (restarted > 1) { 2037e52966c0SLen Brown exit(retval); 2038e52966c0SLen Brown } 2039c98d5d94SLen Brown re_initialize(); 2040c98d5d94SLen Brown goto restart; 2041c98d5d94SLen Brown } 2042e52966c0SLen Brown restarted = 0; 2043103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 2044103a8feaSLen Brown 2045103a8feaSLen Brown while (1) { 2046c98d5d94SLen Brown if (for_all_proc_cpus(cpu_is_not_present)) { 2047103a8feaSLen Brown re_initialize(); 2048103a8feaSLen Brown goto restart; 2049103a8feaSLen Brown } 20502a0609c0SLen Brown nanosleep(&interval_ts, NULL); 2051562a2d37SLen Brown if (snapshot_proc_sysfs_files()) 2052562a2d37SLen Brown goto restart; 2053c98d5d94SLen Brown retval = for_all_cpus(get_counters, ODD_COUNTERS); 2054d91bb17cSLen Brown if (retval < -1) { 2055d91bb17cSLen Brown exit(retval); 2056d91bb17cSLen Brown } else if (retval == -1) { 205715aaa346SLen Brown re_initialize(); 205815aaa346SLen Brown goto restart; 205915aaa346SLen Brown } 2060103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 2061103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 2062c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 2063c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 2064c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 2065b7d8c148SLen Brown flush_output_stdout(); 20662a0609c0SLen Brown nanosleep(&interval_ts, NULL); 2067562a2d37SLen Brown if (snapshot_proc_sysfs_files()) 2068562a2d37SLen Brown goto restart; 2069c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 2070d91bb17cSLen Brown if (retval < -1) { 2071d91bb17cSLen Brown exit(retval); 2072d91bb17cSLen Brown } else if (retval == -1) { 2073103a8feaSLen Brown re_initialize(); 2074103a8feaSLen Brown goto restart; 2075103a8feaSLen Brown } 2076103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 2077103a8feaSLen Brown timersub(&tv_even, &tv_odd, &tv_delta); 2078c98d5d94SLen Brown for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS); 2079c98d5d94SLen Brown compute_average(ODD_COUNTERS); 2080c98d5d94SLen Brown format_all_counters(ODD_COUNTERS); 2081b7d8c148SLen Brown flush_output_stdout(); 2082103a8feaSLen Brown } 2083103a8feaSLen Brown } 2084103a8feaSLen Brown 2085103a8feaSLen Brown void check_dev_msr() 2086103a8feaSLen Brown { 2087103a8feaSLen Brown struct stat sb; 20887ce7d5deSPrarit Bhargava char pathname[32]; 2089103a8feaSLen Brown 20907ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 20917ce7d5deSPrarit Bhargava if (stat(pathname, &sb)) 2092a21d38c8SLen Brown if (system("/sbin/modprobe msr > /dev/null 2>&1")) 2093d7899447SLen Brown err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" "); 2094103a8feaSLen Brown } 2095103a8feaSLen Brown 209698481e79SLen Brown void check_permissions() 2097103a8feaSLen Brown { 209898481e79SLen Brown struct __user_cap_header_struct cap_header_data; 209998481e79SLen Brown cap_user_header_t cap_header = &cap_header_data; 210098481e79SLen Brown struct __user_cap_data_struct cap_data_data; 210198481e79SLen Brown cap_user_data_t cap_data = &cap_data_data; 210298481e79SLen Brown extern int capget(cap_user_header_t hdrp, cap_user_data_t datap); 210398481e79SLen Brown int do_exit = 0; 21047ce7d5deSPrarit Bhargava char pathname[32]; 210598481e79SLen Brown 210698481e79SLen Brown /* check for CAP_SYS_RAWIO */ 210798481e79SLen Brown cap_header->pid = getpid(); 210898481e79SLen Brown cap_header->version = _LINUX_CAPABILITY_VERSION; 210998481e79SLen Brown if (capget(cap_header, cap_data) < 0) 211098481e79SLen Brown err(-6, "capget(2) failed"); 211198481e79SLen Brown 211298481e79SLen Brown if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) { 211398481e79SLen Brown do_exit++; 211498481e79SLen Brown warnx("capget(CAP_SYS_RAWIO) failed," 211598481e79SLen Brown " try \"# setcap cap_sys_rawio=ep %s\"", progname); 211698481e79SLen Brown } 211798481e79SLen Brown 211898481e79SLen Brown /* test file permissions */ 21197ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 21207ce7d5deSPrarit Bhargava if (euidaccess(pathname, R_OK)) { 212198481e79SLen Brown do_exit++; 212298481e79SLen Brown warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr"); 212398481e79SLen Brown } 212498481e79SLen Brown 212598481e79SLen Brown /* if all else fails, thell them to be root */ 212698481e79SLen Brown if (do_exit) 2127b2c95d90SJosh Triplett if (getuid() != 0) 2128d7899447SLen Brown warnx("... or simply run as root"); 212998481e79SLen Brown 213098481e79SLen Brown if (do_exit) 213198481e79SLen Brown exit(-6); 2132103a8feaSLen Brown } 2133103a8feaSLen Brown 2134d7899447SLen Brown /* 2135d7899447SLen Brown * NHM adds support for additional MSRs: 2136d7899447SLen Brown * 2137d7899447SLen Brown * MSR_SMI_COUNT 0x00000034 2138d7899447SLen Brown * 2139ec0adc53SLen Brown * MSR_PLATFORM_INFO 0x000000ce 2140d7899447SLen Brown * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2 2141d7899447SLen Brown * 2142d7899447SLen Brown * MSR_PKG_C3_RESIDENCY 0x000003f8 2143d7899447SLen Brown * MSR_PKG_C6_RESIDENCY 0x000003f9 2144d7899447SLen Brown * MSR_CORE_C3_RESIDENCY 0x000003fc 2145d7899447SLen Brown * MSR_CORE_C6_RESIDENCY 0x000003fd 2146d7899447SLen Brown * 2147ee7e38e3SLen Brown * Side effect: 2148ee7e38e3SLen Brown * sets global pkg_cstate_limit to decode MSR_NHM_SNB_PKG_CST_CFG_CTL 2149d7899447SLen Brown */ 2150ee7e38e3SLen Brown int probe_nhm_msrs(unsigned int family, unsigned int model) 2151103a8feaSLen Brown { 2152ee7e38e3SLen Brown unsigned long long msr; 215321ed5574SLen Brown unsigned int base_ratio; 2154ee7e38e3SLen Brown int *pkg_cstate_limits; 2155ee7e38e3SLen Brown 2156103a8feaSLen Brown if (!genuine_intel) 2157103a8feaSLen Brown return 0; 2158103a8feaSLen Brown 2159103a8feaSLen Brown if (family != 6) 2160103a8feaSLen Brown return 0; 2161103a8feaSLen Brown 216221ed5574SLen Brown bclk = discover_bclk(family, model); 216321ed5574SLen Brown 2164103a8feaSLen Brown switch (model) { 2165103a8feaSLen Brown case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */ 2166103a8feaSLen Brown case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ 2167103a8feaSLen Brown case 0x1F: /* Core i7 and i5 Processor - Nehalem */ 2168103a8feaSLen Brown case 0x25: /* Westmere Client - Clarkdale, Arrandale */ 2169103a8feaSLen Brown case 0x2C: /* Westmere EP - Gulftown */ 2170ee7e38e3SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 2171ee7e38e3SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 2172ee7e38e3SLen Brown pkg_cstate_limits = nhm_pkg_cstate_limits; 2173ee7e38e3SLen Brown break; 2174103a8feaSLen Brown case 0x2A: /* SNB */ 2175103a8feaSLen Brown case 0x2D: /* SNB Xeon */ 2176553575f1SLen Brown case 0x3A: /* IVB */ 21771300651bSLen Brown case 0x3E: /* IVB Xeon */ 2178ee7e38e3SLen Brown pkg_cstate_limits = snb_pkg_cstate_limits; 2179ee7e38e3SLen Brown break; 218070b43400SLen Brown case 0x3C: /* HSW */ 2181e6f9bb3cSLen Brown case 0x3F: /* HSX */ 218270b43400SLen Brown case 0x45: /* HSW */ 2183149c2319SLen Brown case 0x46: /* HSW */ 21844e8e863fSLen Brown case 0x3D: /* BDW */ 218548a0631cSLen Brown case 0x47: /* BDW */ 21864e8e863fSLen Brown case 0x4F: /* BDX */ 21874e8e863fSLen Brown case 0x56: /* BDX-DE */ 21880b2bb692SLen Brown case 0x4E: /* SKL */ 21890b2bb692SLen Brown case 0x5E: /* SKL */ 2190ee7e38e3SLen Brown pkg_cstate_limits = hsw_pkg_cstate_limits; 2191ee7e38e3SLen Brown break; 2192ee7e38e3SLen Brown case 0x37: /* BYT */ 2193ee7e38e3SLen Brown case 0x4D: /* AVN */ 2194ee7e38e3SLen Brown pkg_cstate_limits = slv_pkg_cstate_limits; 2195ee7e38e3SLen Brown break; 2196ee7e38e3SLen Brown case 0x4C: /* AMT */ 2197ee7e38e3SLen Brown pkg_cstate_limits = amt_pkg_cstate_limits; 2198ee7e38e3SLen Brown break; 2199ee7e38e3SLen Brown case 0x57: /* PHI */ 2200ee7e38e3SLen Brown pkg_cstate_limits = phi_pkg_cstate_limits; 2201ee7e38e3SLen Brown break; 2202103a8feaSLen Brown default: 2203103a8feaSLen Brown return 0; 2204103a8feaSLen Brown } 22057ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 2206e9257f5fSLen Brown pkg_cstate_limit = pkg_cstate_limits[msr & 0xF]; 2207ee7e38e3SLen Brown 2208ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 220921ed5574SLen Brown base_ratio = (msr >> 8) & 0xFF; 221021ed5574SLen Brown 221121ed5574SLen Brown base_hz = base_ratio * bclk * 1000000; 221221ed5574SLen Brown has_base_hz = 1; 2213ee7e38e3SLen Brown return 1; 2214103a8feaSLen Brown } 2215d7899447SLen Brown int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model) 2216d7899447SLen Brown { 2217d7899447SLen Brown switch (model) { 2218d7899447SLen Brown /* Nehalem compatible, but do not include turbo-ratio limit support */ 2219d7899447SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 2220d7899447SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 2221cbf97abaSHubert Chrzaniuk case 0x57: /* PHI - Knights Landing (different MSR definition) */ 2222d7899447SLen Brown return 0; 2223d7899447SLen Brown default: 2224d7899447SLen Brown return 1; 2225d7899447SLen Brown } 2226d7899447SLen Brown } 22276574a5d5SLen Brown int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model) 22286574a5d5SLen Brown { 22296574a5d5SLen Brown if (!genuine_intel) 22306574a5d5SLen Brown return 0; 22316574a5d5SLen Brown 22326574a5d5SLen Brown if (family != 6) 22336574a5d5SLen Brown return 0; 22346574a5d5SLen Brown 22356574a5d5SLen Brown switch (model) { 22366574a5d5SLen Brown case 0x3E: /* IVB Xeon */ 2237fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 22386574a5d5SLen Brown return 1; 22396574a5d5SLen Brown default: 22406574a5d5SLen Brown return 0; 22416574a5d5SLen Brown } 22426574a5d5SLen Brown } 2243fcd17211SLen Brown int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model) 2244fcd17211SLen Brown { 2245fcd17211SLen Brown if (!genuine_intel) 2246fcd17211SLen Brown return 0; 2247fcd17211SLen Brown 2248fcd17211SLen Brown if (family != 6) 2249fcd17211SLen Brown return 0; 2250fcd17211SLen Brown 2251fcd17211SLen Brown switch (model) { 2252fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 2253fcd17211SLen Brown return 1; 2254fcd17211SLen Brown default: 2255fcd17211SLen Brown return 0; 2256fcd17211SLen Brown } 2257fcd17211SLen Brown } 2258fcd17211SLen Brown 2259fb5d4327SDasaratharaman Chandramouli int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model) 2260fb5d4327SDasaratharaman Chandramouli { 2261fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 2262fb5d4327SDasaratharaman Chandramouli return 0; 2263fb5d4327SDasaratharaman Chandramouli 2264fb5d4327SDasaratharaman Chandramouli if (family != 6) 2265fb5d4327SDasaratharaman Chandramouli return 0; 2266fb5d4327SDasaratharaman Chandramouli 2267fb5d4327SDasaratharaman Chandramouli switch (model) { 2268fb5d4327SDasaratharaman Chandramouli case 0x57: /* Knights Landing */ 2269fb5d4327SDasaratharaman Chandramouli return 1; 2270fb5d4327SDasaratharaman Chandramouli default: 2271fb5d4327SDasaratharaman Chandramouli return 0; 2272fb5d4327SDasaratharaman Chandramouli } 2273fb5d4327SDasaratharaman Chandramouli } 22746fb3143bSLen Brown int has_config_tdp(unsigned int family, unsigned int model) 22756fb3143bSLen Brown { 22766fb3143bSLen Brown if (!genuine_intel) 22776fb3143bSLen Brown return 0; 22786fb3143bSLen Brown 22796fb3143bSLen Brown if (family != 6) 22806fb3143bSLen Brown return 0; 22816fb3143bSLen Brown 22826fb3143bSLen Brown switch (model) { 22836fb3143bSLen Brown case 0x3A: /* IVB */ 22846fb3143bSLen Brown case 0x3C: /* HSW */ 22856fb3143bSLen Brown case 0x3F: /* HSX */ 22866fb3143bSLen Brown case 0x45: /* HSW */ 22876fb3143bSLen Brown case 0x46: /* HSW */ 22886fb3143bSLen Brown case 0x3D: /* BDW */ 22896fb3143bSLen Brown case 0x47: /* BDW */ 22906fb3143bSLen Brown case 0x4F: /* BDX */ 22916fb3143bSLen Brown case 0x56: /* BDX-DE */ 22926fb3143bSLen Brown case 0x4E: /* SKL */ 22936fb3143bSLen Brown case 0x5E: /* SKL */ 22946fb3143bSLen Brown 22956fb3143bSLen Brown case 0x57: /* Knights Landing */ 22966fb3143bSLen Brown return 1; 22976fb3143bSLen Brown default: 22986fb3143bSLen Brown return 0; 22996fb3143bSLen Brown } 23006fb3143bSLen Brown } 23016fb3143bSLen Brown 2302fcd17211SLen Brown static void 230358cc30a4SLen Brown dump_cstate_pstate_config_info(int family, int model) 2304fcd17211SLen Brown { 2305fcd17211SLen Brown if (!do_nhm_platform_info) 2306fcd17211SLen Brown return; 2307fcd17211SLen Brown 2308fcd17211SLen Brown dump_nhm_platform_info(); 2309fcd17211SLen Brown 2310fcd17211SLen Brown if (has_hsw_turbo_ratio_limit(family, model)) 2311fcd17211SLen Brown dump_hsw_turbo_ratio_limits(); 2312fcd17211SLen Brown 2313fcd17211SLen Brown if (has_ivt_turbo_ratio_limit(family, model)) 2314fcd17211SLen Brown dump_ivt_turbo_ratio_limits(); 2315fcd17211SLen Brown 2316fcd17211SLen Brown if (has_nhm_turbo_ratio_limit(family, model)) 2317fcd17211SLen Brown dump_nhm_turbo_ratio_limits(); 2318fcd17211SLen Brown 2319fb5d4327SDasaratharaman Chandramouli if (has_knl_turbo_ratio_limit(family, model)) 2320fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(); 2321fb5d4327SDasaratharaman Chandramouli 23226fb3143bSLen Brown if (has_config_tdp(family, model)) 23236fb3143bSLen Brown dump_config_tdp(); 23246fb3143bSLen Brown 2325fcd17211SLen Brown dump_nhm_cst_cfg(); 2326fcd17211SLen Brown } 2327fcd17211SLen Brown 23286574a5d5SLen Brown 2329889facbeSLen Brown /* 2330889facbeSLen Brown * print_epb() 2331889facbeSLen Brown * Decode the ENERGY_PERF_BIAS MSR 2332889facbeSLen Brown */ 2333889facbeSLen Brown int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2334889facbeSLen Brown { 2335889facbeSLen Brown unsigned long long msr; 2336889facbeSLen Brown char *epb_string; 2337889facbeSLen Brown int cpu; 2338889facbeSLen Brown 2339889facbeSLen Brown if (!has_epb) 2340889facbeSLen Brown return 0; 2341889facbeSLen Brown 2342889facbeSLen Brown cpu = t->cpu_id; 2343889facbeSLen Brown 2344889facbeSLen Brown /* EPB is per-package */ 2345889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2346889facbeSLen Brown return 0; 2347889facbeSLen Brown 2348889facbeSLen Brown if (cpu_migrate(cpu)) { 2349b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2350889facbeSLen Brown return -1; 2351889facbeSLen Brown } 2352889facbeSLen Brown 2353889facbeSLen Brown if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr)) 2354889facbeSLen Brown return 0; 2355889facbeSLen Brown 2356e9be7dd6SLen Brown switch (msr & 0xF) { 2357889facbeSLen Brown case ENERGY_PERF_BIAS_PERFORMANCE: 2358889facbeSLen Brown epb_string = "performance"; 2359889facbeSLen Brown break; 2360889facbeSLen Brown case ENERGY_PERF_BIAS_NORMAL: 2361889facbeSLen Brown epb_string = "balanced"; 2362889facbeSLen Brown break; 2363889facbeSLen Brown case ENERGY_PERF_BIAS_POWERSAVE: 2364889facbeSLen Brown epb_string = "powersave"; 2365889facbeSLen Brown break; 2366889facbeSLen Brown default: 2367889facbeSLen Brown epb_string = "custom"; 2368889facbeSLen Brown break; 2369889facbeSLen Brown } 2370b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string); 2371889facbeSLen Brown 2372889facbeSLen Brown return 0; 2373889facbeSLen Brown } 23747f5c258eSLen Brown /* 23757f5c258eSLen Brown * print_hwp() 23767f5c258eSLen Brown * Decode the MSR_HWP_CAPABILITIES 23777f5c258eSLen Brown */ 23787f5c258eSLen Brown int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) 23797f5c258eSLen Brown { 23807f5c258eSLen Brown unsigned long long msr; 23817f5c258eSLen Brown int cpu; 23827f5c258eSLen Brown 23837f5c258eSLen Brown if (!has_hwp) 23847f5c258eSLen Brown return 0; 23857f5c258eSLen Brown 23867f5c258eSLen Brown cpu = t->cpu_id; 23877f5c258eSLen Brown 23887f5c258eSLen Brown /* MSR_HWP_CAPABILITIES is per-package */ 23897f5c258eSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 23907f5c258eSLen Brown return 0; 23917f5c258eSLen Brown 23927f5c258eSLen Brown if (cpu_migrate(cpu)) { 2393b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 23947f5c258eSLen Brown return -1; 23957f5c258eSLen Brown } 23967f5c258eSLen Brown 23977f5c258eSLen Brown if (get_msr(cpu, MSR_PM_ENABLE, &msr)) 23987f5c258eSLen Brown return 0; 23997f5c258eSLen Brown 2400b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PM_ENABLE: 0x%08llx (%sHWP)\n", 24017f5c258eSLen Brown cpu, msr, (msr & (1 << 0)) ? "" : "No-"); 24027f5c258eSLen Brown 24037f5c258eSLen Brown /* MSR_PM_ENABLE[1] == 1 if HWP is enabled and MSRs visible */ 24047f5c258eSLen Brown if ((msr & (1 << 0)) == 0) 24057f5c258eSLen Brown return 0; 24067f5c258eSLen Brown 24077f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_CAPABILITIES, &msr)) 24087f5c258eSLen Brown return 0; 24097f5c258eSLen Brown 2410b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_CAPABILITIES: 0x%08llx " 24117f5c258eSLen Brown "(high 0x%x guar 0x%x eff 0x%x low 0x%x)\n", 24127f5c258eSLen Brown cpu, msr, 24137f5c258eSLen Brown (unsigned int)HWP_HIGHEST_PERF(msr), 24147f5c258eSLen Brown (unsigned int)HWP_GUARANTEED_PERF(msr), 24157f5c258eSLen Brown (unsigned int)HWP_MOSTEFFICIENT_PERF(msr), 24167f5c258eSLen Brown (unsigned int)HWP_LOWEST_PERF(msr)); 24177f5c258eSLen Brown 24187f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST, &msr)) 24197f5c258eSLen Brown return 0; 24207f5c258eSLen Brown 2421b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_REQUEST: 0x%08llx " 24227f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x pkg 0x%x)\n", 24237f5c258eSLen Brown cpu, msr, 24247f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 24257f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 24267f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 24277f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 24287f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3), 24297f5c258eSLen Brown (unsigned int)(((msr) >> 42) & 0x1)); 24307f5c258eSLen Brown 24317f5c258eSLen Brown if (has_hwp_pkg) { 24327f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST_PKG, &msr)) 24337f5c258eSLen Brown return 0; 24347f5c258eSLen Brown 2435b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_REQUEST_PKG: 0x%08llx " 24367f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x)\n", 24377f5c258eSLen Brown cpu, msr, 24387f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 24397f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 24407f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 24417f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 24427f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3)); 24437f5c258eSLen Brown } 24447f5c258eSLen Brown if (has_hwp_notify) { 24457f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_INTERRUPT, &msr)) 24467f5c258eSLen Brown return 0; 24477f5c258eSLen Brown 2448b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_INTERRUPT: 0x%08llx " 24497f5c258eSLen Brown "(%s_Guaranteed_Perf_Change, %s_Excursion_Min)\n", 24507f5c258eSLen Brown cpu, msr, 24517f5c258eSLen Brown ((msr) & 0x1) ? "EN" : "Dis", 24527f5c258eSLen Brown ((msr) & 0x2) ? "EN" : "Dis"); 24537f5c258eSLen Brown } 24547f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_STATUS, &msr)) 24557f5c258eSLen Brown return 0; 24567f5c258eSLen Brown 2457b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_STATUS: 0x%08llx " 24587f5c258eSLen Brown "(%sGuaranteed_Perf_Change, %sExcursion_Min)\n", 24597f5c258eSLen Brown cpu, msr, 24607f5c258eSLen Brown ((msr) & 0x1) ? "" : "No-", 24617f5c258eSLen Brown ((msr) & 0x2) ? "" : "No-"); 24627f5c258eSLen Brown 24637f5c258eSLen Brown return 0; 24647f5c258eSLen Brown } 2465889facbeSLen Brown 24663a9a941dSLen Brown /* 24673a9a941dSLen Brown * print_perf_limit() 24683a9a941dSLen Brown */ 24693a9a941dSLen Brown int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p) 24703a9a941dSLen Brown { 24713a9a941dSLen Brown unsigned long long msr; 24723a9a941dSLen Brown int cpu; 24733a9a941dSLen Brown 24743a9a941dSLen Brown cpu = t->cpu_id; 24753a9a941dSLen Brown 24763a9a941dSLen Brown /* per-package */ 24773a9a941dSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 24783a9a941dSLen Brown return 0; 24793a9a941dSLen Brown 24803a9a941dSLen Brown if (cpu_migrate(cpu)) { 2481b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 24823a9a941dSLen Brown return -1; 24833a9a941dSLen Brown } 24843a9a941dSLen Brown 24853a9a941dSLen Brown if (do_core_perf_limit_reasons) { 24863a9a941dSLen Brown get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr); 2487b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2488b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)", 2489e33cbe85SLen Brown (msr & 1 << 15) ? "bit15, " : "", 24903a9a941dSLen Brown (msr & 1 << 14) ? "bit14, " : "", 2491e33cbe85SLen Brown (msr & 1 << 13) ? "Transitions, " : "", 2492e33cbe85SLen Brown (msr & 1 << 12) ? "MultiCoreTurbo, " : "", 2493e33cbe85SLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : "", 2494e33cbe85SLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 2495e33cbe85SLen Brown (msr & 1 << 9) ? "CorePwr, " : "", 2496e33cbe85SLen Brown (msr & 1 << 8) ? "Amps, " : "", 2497e33cbe85SLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 2498e33cbe85SLen Brown (msr & 1 << 5) ? "Auto-HWP, " : "", 2499e33cbe85SLen Brown (msr & 1 << 4) ? "Graphics, " : "", 2500e33cbe85SLen Brown (msr & 1 << 2) ? "bit2, " : "", 2501e33cbe85SLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 2502e33cbe85SLen Brown (msr & 1 << 0) ? "PROCHOT, " : ""); 2503b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n", 2504e33cbe85SLen Brown (msr & 1 << 31) ? "bit31, " : "", 25053a9a941dSLen Brown (msr & 1 << 30) ? "bit30, " : "", 2506e33cbe85SLen Brown (msr & 1 << 29) ? "Transitions, " : "", 2507e33cbe85SLen Brown (msr & 1 << 28) ? "MultiCoreTurbo, " : "", 2508e33cbe85SLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : "", 2509e33cbe85SLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 2510e33cbe85SLen Brown (msr & 1 << 25) ? "CorePwr, " : "", 2511e33cbe85SLen Brown (msr & 1 << 24) ? "Amps, " : "", 2512e33cbe85SLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 2513e33cbe85SLen Brown (msr & 1 << 21) ? "Auto-HWP, " : "", 2514e33cbe85SLen Brown (msr & 1 << 20) ? "Graphics, " : "", 2515e33cbe85SLen Brown (msr & 1 << 18) ? "bit18, " : "", 2516e33cbe85SLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 2517e33cbe85SLen Brown (msr & 1 << 16) ? "PROCHOT, " : ""); 25183a9a941dSLen Brown 25193a9a941dSLen Brown } 25203a9a941dSLen Brown if (do_gfx_perf_limit_reasons) { 25213a9a941dSLen Brown get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr); 2522b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2523b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s%s%s)", 25243a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 25253a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 25263a9a941dSLen Brown (msr & 1 << 4) ? "Graphics, " : "", 25273a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 25283a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 25293a9a941dSLen Brown (msr & 1 << 9) ? "GFXPwr, " : "", 25303a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 25313a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 2532b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s)\n", 25333a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 25343a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 25353a9a941dSLen Brown (msr & 1 << 20) ? "Graphics, " : "", 25363a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 25373a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 25383a9a941dSLen Brown (msr & 1 << 25) ? "GFXPwr, " : "", 25393a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 25403a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 25413a9a941dSLen Brown } 25423a9a941dSLen Brown if (do_ring_perf_limit_reasons) { 25433a9a941dSLen Brown get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr); 2544b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2545b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s)", 25463a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 25473a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 25483a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 25493a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 25503a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 25513a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 2552b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s)\n", 25533a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 25543a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 25553a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 25563a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 25573a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 25583a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 25593a9a941dSLen Brown } 25603a9a941dSLen Brown return 0; 25613a9a941dSLen Brown } 25623a9a941dSLen Brown 2563889facbeSLen Brown #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */ 2564889facbeSLen Brown #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */ 2565889facbeSLen Brown 256658cc30a4SLen Brown double get_tdp(int model) 2567144b44b1SLen Brown { 2568144b44b1SLen Brown unsigned long long msr; 2569144b44b1SLen Brown 2570144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) 25717ce7d5deSPrarit Bhargava if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr)) 2572144b44b1SLen Brown return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units; 2573144b44b1SLen Brown 2574144b44b1SLen Brown switch (model) { 2575144b44b1SLen Brown case 0x37: 2576144b44b1SLen Brown case 0x4D: 2577144b44b1SLen Brown return 30.0; 2578144b44b1SLen Brown default: 2579144b44b1SLen Brown return 135.0; 2580144b44b1SLen Brown } 2581144b44b1SLen Brown } 2582144b44b1SLen Brown 258340ee8e3bSAndrey Semin /* 258440ee8e3bSAndrey Semin * rapl_dram_energy_units_probe() 258540ee8e3bSAndrey Semin * Energy units are either hard-coded, or come from RAPL Energy Unit MSR. 258640ee8e3bSAndrey Semin */ 258740ee8e3bSAndrey Semin static double 258840ee8e3bSAndrey Semin rapl_dram_energy_units_probe(int model, double rapl_energy_units) 258940ee8e3bSAndrey Semin { 259040ee8e3bSAndrey Semin /* only called for genuine_intel, family 6 */ 259140ee8e3bSAndrey Semin 259240ee8e3bSAndrey Semin switch (model) { 259340ee8e3bSAndrey Semin case 0x3F: /* HSX */ 259440ee8e3bSAndrey Semin case 0x4F: /* BDX */ 259540ee8e3bSAndrey Semin case 0x56: /* BDX-DE */ 2596fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 259740ee8e3bSAndrey Semin return (rapl_dram_energy_units = 15.3 / 1000000); 259840ee8e3bSAndrey Semin default: 259940ee8e3bSAndrey Semin return (rapl_energy_units); 260040ee8e3bSAndrey Semin } 260140ee8e3bSAndrey Semin } 260240ee8e3bSAndrey Semin 2603144b44b1SLen Brown 2604889facbeSLen Brown /* 2605889facbeSLen Brown * rapl_probe() 2606889facbeSLen Brown * 2607144b44b1SLen Brown * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units 2608889facbeSLen Brown */ 2609889facbeSLen Brown void rapl_probe(unsigned int family, unsigned int model) 2610889facbeSLen Brown { 2611889facbeSLen Brown unsigned long long msr; 2612144b44b1SLen Brown unsigned int time_unit; 2613889facbeSLen Brown double tdp; 2614889facbeSLen Brown 2615889facbeSLen Brown if (!genuine_intel) 2616889facbeSLen Brown return; 2617889facbeSLen Brown 2618889facbeSLen Brown if (family != 6) 2619889facbeSLen Brown return; 2620889facbeSLen Brown 2621889facbeSLen Brown switch (model) { 2622889facbeSLen Brown case 0x2A: 2623889facbeSLen Brown case 0x3A: 262470b43400SLen Brown case 0x3C: /* HSW */ 262570b43400SLen Brown case 0x45: /* HSW */ 2626149c2319SLen Brown case 0x46: /* HSW */ 26274e8e863fSLen Brown case 0x3D: /* BDW */ 262848a0631cSLen Brown case 0x47: /* BDW */ 2629144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; 2630889facbeSLen Brown break; 26310b2bb692SLen Brown case 0x4E: /* SKL */ 26320b2bb692SLen Brown case 0x5E: /* SKL */ 26330b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 26340b2bb692SLen Brown break; 2635e6f9bb3cSLen Brown case 0x3F: /* HSX */ 26364e8e863fSLen Brown case 0x4F: /* BDX */ 26374e8e863fSLen Brown case 0x56: /* BDX-DE */ 2638fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 26390b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 2640e6f9bb3cSLen Brown break; 2641889facbeSLen Brown case 0x2D: 2642889facbeSLen Brown case 0x3E: 26430b2bb692SLen 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; 2644144b44b1SLen Brown break; 2645144b44b1SLen Brown case 0x37: /* BYT */ 2646144b44b1SLen Brown case 0x4D: /* AVN */ 2647144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES ; 2648889facbeSLen Brown break; 2649889facbeSLen Brown default: 2650889facbeSLen Brown return; 2651889facbeSLen Brown } 2652889facbeSLen Brown 2653889facbeSLen Brown /* units on package 0, verify later other packages match */ 26547ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr)) 2655889facbeSLen Brown return; 2656889facbeSLen Brown 2657889facbeSLen Brown rapl_power_units = 1.0 / (1 << (msr & 0xF)); 2658144b44b1SLen Brown if (model == 0x37) 2659144b44b1SLen Brown rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000; 2660144b44b1SLen Brown else 2661889facbeSLen Brown rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F)); 2662889facbeSLen Brown 266340ee8e3bSAndrey Semin rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units); 266440ee8e3bSAndrey Semin 2665144b44b1SLen Brown time_unit = msr >> 16 & 0xF; 2666144b44b1SLen Brown if (time_unit == 0) 2667144b44b1SLen Brown time_unit = 0xA; 2668889facbeSLen Brown 2669144b44b1SLen Brown rapl_time_units = 1.0 / (1 << (time_unit)); 2670144b44b1SLen Brown 2671144b44b1SLen Brown tdp = get_tdp(model); 2672889facbeSLen Brown 2673889facbeSLen Brown rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; 2674d8af6f5fSLen Brown if (debug) 2675b7d8c148SLen Brown fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp); 2676889facbeSLen Brown 2677889facbeSLen Brown return; 2678889facbeSLen Brown } 2679889facbeSLen Brown 268058cc30a4SLen Brown void perf_limit_reasons_probe(int family, int model) 26813a9a941dSLen Brown { 26823a9a941dSLen Brown if (!genuine_intel) 26833a9a941dSLen Brown return; 26843a9a941dSLen Brown 26853a9a941dSLen Brown if (family != 6) 26863a9a941dSLen Brown return; 26873a9a941dSLen Brown 26883a9a941dSLen Brown switch (model) { 26893a9a941dSLen Brown case 0x3C: /* HSW */ 26903a9a941dSLen Brown case 0x45: /* HSW */ 26913a9a941dSLen Brown case 0x46: /* HSW */ 26923a9a941dSLen Brown do_gfx_perf_limit_reasons = 1; 26933a9a941dSLen Brown case 0x3F: /* HSX */ 26943a9a941dSLen Brown do_core_perf_limit_reasons = 1; 26953a9a941dSLen Brown do_ring_perf_limit_reasons = 1; 26963a9a941dSLen Brown default: 26973a9a941dSLen Brown return; 26983a9a941dSLen Brown } 26993a9a941dSLen Brown } 27003a9a941dSLen Brown 2701889facbeSLen Brown int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2702889facbeSLen Brown { 2703889facbeSLen Brown unsigned long long msr; 2704889facbeSLen Brown unsigned int dts; 2705889facbeSLen Brown int cpu; 2706889facbeSLen Brown 2707889facbeSLen Brown if (!(do_dts || do_ptm)) 2708889facbeSLen Brown return 0; 2709889facbeSLen Brown 2710889facbeSLen Brown cpu = t->cpu_id; 2711889facbeSLen Brown 2712889facbeSLen Brown /* DTS is per-core, no need to print for each thread */ 2713889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 2714889facbeSLen Brown return 0; 2715889facbeSLen Brown 2716889facbeSLen Brown if (cpu_migrate(cpu)) { 2717b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2718889facbeSLen Brown return -1; 2719889facbeSLen Brown } 2720889facbeSLen Brown 2721889facbeSLen Brown if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) { 2722889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 2723889facbeSLen Brown return 0; 2724889facbeSLen Brown 2725889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2726b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", 2727889facbeSLen Brown cpu, msr, tcc_activation_temp - dts); 2728889facbeSLen Brown 2729889facbeSLen Brown #ifdef THERM_DEBUG 2730889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) 2731889facbeSLen Brown return 0; 2732889facbeSLen Brown 2733889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2734889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2735b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2736889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2737889facbeSLen Brown #endif 2738889facbeSLen Brown } 2739889facbeSLen Brown 2740889facbeSLen Brown 2741889facbeSLen Brown if (do_dts) { 2742889facbeSLen Brown unsigned int resolution; 2743889facbeSLen Brown 2744889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 2745889facbeSLen Brown return 0; 2746889facbeSLen Brown 2747889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2748889facbeSLen Brown resolution = (msr >> 27) & 0xF; 2749b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", 2750889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, resolution); 2751889facbeSLen Brown 2752889facbeSLen Brown #ifdef THERM_DEBUG 2753889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) 2754889facbeSLen Brown return 0; 2755889facbeSLen Brown 2756889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2757889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2758b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2759889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2760889facbeSLen Brown #endif 2761889facbeSLen Brown } 2762889facbeSLen Brown 2763889facbeSLen Brown return 0; 2764889facbeSLen Brown } 2765889facbeSLen Brown 2766889facbeSLen Brown void print_power_limit_msr(int cpu, unsigned long long msr, char *label) 2767889facbeSLen Brown { 2768b7d8c148SLen Brown fprintf(outf, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n", 2769889facbeSLen Brown cpu, label, 2770889facbeSLen Brown ((msr >> 15) & 1) ? "EN" : "DIS", 2771889facbeSLen Brown ((msr >> 0) & 0x7FFF) * rapl_power_units, 2772889facbeSLen Brown (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units, 2773889facbeSLen Brown (((msr >> 16) & 1) ? "EN" : "DIS")); 2774889facbeSLen Brown 2775889facbeSLen Brown return; 2776889facbeSLen Brown } 2777889facbeSLen Brown 2778889facbeSLen Brown int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2779889facbeSLen Brown { 2780889facbeSLen Brown unsigned long long msr; 2781889facbeSLen Brown int cpu; 2782889facbeSLen Brown 2783889facbeSLen Brown if (!do_rapl) 2784889facbeSLen Brown return 0; 2785889facbeSLen Brown 2786889facbeSLen Brown /* RAPL counters are per package, so print only for 1st thread/package */ 2787889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2788889facbeSLen Brown return 0; 2789889facbeSLen Brown 2790889facbeSLen Brown cpu = t->cpu_id; 2791889facbeSLen Brown if (cpu_migrate(cpu)) { 2792b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2793889facbeSLen Brown return -1; 2794889facbeSLen Brown } 2795889facbeSLen Brown 2796889facbeSLen Brown if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr)) 2797889facbeSLen Brown return -1; 2798889facbeSLen Brown 2799d8af6f5fSLen Brown if (debug) { 2800b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx " 2801889facbeSLen Brown "(%f Watts, %f Joules, %f sec.)\n", cpu, msr, 2802144b44b1SLen Brown rapl_power_units, rapl_energy_units, rapl_time_units); 2803889facbeSLen Brown } 2804144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) { 2805144b44b1SLen Brown 2806889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr)) 2807889facbeSLen Brown return -5; 2808889facbeSLen Brown 2809889facbeSLen Brown 2810b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2811889facbeSLen Brown cpu, msr, 2812889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2813889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2814889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2815889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 2816889facbeSLen Brown 2817144b44b1SLen Brown } 2818144b44b1SLen Brown if (do_rapl & RAPL_PKG) { 2819144b44b1SLen Brown 2820889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr)) 2821889facbeSLen Brown return -9; 2822889facbeSLen Brown 2823b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n", 2824889facbeSLen Brown cpu, msr, (msr >> 63) & 1 ? "": "UN"); 2825889facbeSLen Brown 2826889facbeSLen Brown print_power_limit_msr(cpu, msr, "PKG Limit #1"); 2827b7d8c148SLen Brown fprintf(outf, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n", 2828889facbeSLen Brown cpu, 2829889facbeSLen Brown ((msr >> 47) & 1) ? "EN" : "DIS", 2830889facbeSLen Brown ((msr >> 32) & 0x7FFF) * rapl_power_units, 2831889facbeSLen Brown (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units, 2832889facbeSLen Brown ((msr >> 48) & 1) ? "EN" : "DIS"); 2833889facbeSLen Brown } 2834889facbeSLen Brown 28350b2bb692SLen Brown if (do_rapl & RAPL_DRAM_POWER_INFO) { 2836889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr)) 2837889facbeSLen Brown return -6; 2838889facbeSLen Brown 2839b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2840889facbeSLen Brown cpu, msr, 2841889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2842889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2843889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2844889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 28450b2bb692SLen Brown } 28460b2bb692SLen Brown if (do_rapl & RAPL_DRAM) { 2847889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr)) 2848889facbeSLen Brown return -9; 2849b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n", 2850889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2851889facbeSLen Brown 2852889facbeSLen Brown print_power_limit_msr(cpu, msr, "DRAM Limit"); 2853889facbeSLen Brown } 2854144b44b1SLen Brown if (do_rapl & RAPL_CORE_POLICY) { 2855d8af6f5fSLen Brown if (debug) { 2856889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POLICY, &msr)) 2857889facbeSLen Brown return -7; 2858889facbeSLen Brown 2859b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF); 2860144b44b1SLen Brown } 2861144b44b1SLen Brown } 2862144b44b1SLen Brown if (do_rapl & RAPL_CORES) { 2863d8af6f5fSLen Brown if (debug) { 2864889facbeSLen Brown 2865889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr)) 2866889facbeSLen Brown return -9; 2867b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n", 2868889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2869889facbeSLen Brown print_power_limit_msr(cpu, msr, "Cores Limit"); 2870889facbeSLen Brown } 2871889facbeSLen Brown } 2872889facbeSLen Brown if (do_rapl & RAPL_GFX) { 2873d8af6f5fSLen Brown if (debug) { 2874889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POLICY, &msr)) 2875889facbeSLen Brown return -8; 2876889facbeSLen Brown 2877b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF); 2878889facbeSLen Brown 2879889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr)) 2880889facbeSLen Brown return -9; 2881b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n", 2882889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2883889facbeSLen Brown print_power_limit_msr(cpu, msr, "GFX Limit"); 2884889facbeSLen Brown } 2885889facbeSLen Brown } 2886889facbeSLen Brown return 0; 2887889facbeSLen Brown } 2888889facbeSLen Brown 2889d7899447SLen Brown /* 2890d7899447SLen Brown * SNB adds support for additional MSRs: 2891d7899447SLen Brown * 2892d7899447SLen Brown * MSR_PKG_C7_RESIDENCY 0x000003fa 2893d7899447SLen Brown * MSR_CORE_C7_RESIDENCY 0x000003fe 2894d7899447SLen Brown * MSR_PKG_C2_RESIDENCY 0x0000060d 2895d7899447SLen Brown */ 2896103a8feaSLen Brown 2897d7899447SLen Brown int has_snb_msrs(unsigned int family, unsigned int model) 2898103a8feaSLen Brown { 2899103a8feaSLen Brown if (!genuine_intel) 2900103a8feaSLen Brown return 0; 2901103a8feaSLen Brown 2902103a8feaSLen Brown switch (model) { 2903103a8feaSLen Brown case 0x2A: 2904103a8feaSLen Brown case 0x2D: 2905650a37f3SLen Brown case 0x3A: /* IVB */ 29061300651bSLen Brown case 0x3E: /* IVB Xeon */ 290770b43400SLen Brown case 0x3C: /* HSW */ 290870b43400SLen Brown case 0x3F: /* HSW */ 290970b43400SLen Brown case 0x45: /* HSW */ 2910149c2319SLen Brown case 0x46: /* HSW */ 29114e8e863fSLen Brown case 0x3D: /* BDW */ 291248a0631cSLen Brown case 0x47: /* BDW */ 29134e8e863fSLen Brown case 0x4F: /* BDX */ 29144e8e863fSLen Brown case 0x56: /* BDX-DE */ 29150b2bb692SLen Brown case 0x4E: /* SKL */ 29160b2bb692SLen Brown case 0x5E: /* SKL */ 2917103a8feaSLen Brown return 1; 2918103a8feaSLen Brown } 2919103a8feaSLen Brown return 0; 2920103a8feaSLen Brown } 2921103a8feaSLen Brown 2922d7899447SLen Brown /* 2923d7899447SLen Brown * HSW adds support for additional MSRs: 2924d7899447SLen Brown * 2925d7899447SLen Brown * MSR_PKG_C8_RESIDENCY 0x00000630 2926d7899447SLen Brown * MSR_PKG_C9_RESIDENCY 0x00000631 2927d7899447SLen Brown * MSR_PKG_C10_RESIDENCY 0x00000632 2928*5a63426eSLen Brown * 2929*5a63426eSLen Brown * MSR_PKGC8_IRTL 0x00000633 2930*5a63426eSLen Brown * MSR_PKGC9_IRTL 0x00000634 2931*5a63426eSLen Brown * MSR_PKGC10_IRTL 0x00000635 2932*5a63426eSLen Brown * 2933d7899447SLen Brown */ 2934d7899447SLen Brown int has_hsw_msrs(unsigned int family, unsigned int model) 2935ca58710fSKristen Carlson Accardi { 2936ca58710fSKristen Carlson Accardi if (!genuine_intel) 2937ca58710fSKristen Carlson Accardi return 0; 2938ca58710fSKristen Carlson Accardi 2939ca58710fSKristen Carlson Accardi switch (model) { 29404e8e863fSLen Brown case 0x45: /* HSW */ 29414e8e863fSLen Brown case 0x3D: /* BDW */ 29420b2bb692SLen Brown case 0x4E: /* SKL */ 29430b2bb692SLen Brown case 0x5E: /* SKL */ 2944ca58710fSKristen Carlson Accardi return 1; 2945ca58710fSKristen Carlson Accardi } 2946ca58710fSKristen Carlson Accardi return 0; 2947ca58710fSKristen Carlson Accardi } 2948ca58710fSKristen Carlson Accardi 29490b2bb692SLen Brown /* 29500b2bb692SLen Brown * SKL adds support for additional MSRS: 29510b2bb692SLen Brown * 29520b2bb692SLen Brown * MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658 29530b2bb692SLen Brown * MSR_PKG_ANY_CORE_C0_RES 0x00000659 29540b2bb692SLen Brown * MSR_PKG_ANY_GFXE_C0_RES 0x0000065A 29550b2bb692SLen Brown * MSR_PKG_BOTH_CORE_GFXE_C0_RES 0x0000065B 29560b2bb692SLen Brown */ 29570b2bb692SLen Brown int has_skl_msrs(unsigned int family, unsigned int model) 29580b2bb692SLen Brown { 29590b2bb692SLen Brown if (!genuine_intel) 29600b2bb692SLen Brown return 0; 29610b2bb692SLen Brown 29620b2bb692SLen Brown switch (model) { 29630b2bb692SLen Brown case 0x4E: /* SKL */ 29640b2bb692SLen Brown case 0x5E: /* SKL */ 29650b2bb692SLen Brown return 1; 29660b2bb692SLen Brown } 29670b2bb692SLen Brown return 0; 29680b2bb692SLen Brown } 29690b2bb692SLen Brown 29700b2bb692SLen Brown 2971ca58710fSKristen Carlson Accardi 2972144b44b1SLen Brown int is_slm(unsigned int family, unsigned int model) 2973144b44b1SLen Brown { 2974144b44b1SLen Brown if (!genuine_intel) 2975144b44b1SLen Brown return 0; 2976144b44b1SLen Brown switch (model) { 2977144b44b1SLen Brown case 0x37: /* BYT */ 2978144b44b1SLen Brown case 0x4D: /* AVN */ 2979144b44b1SLen Brown return 1; 2980144b44b1SLen Brown } 2981144b44b1SLen Brown return 0; 2982144b44b1SLen Brown } 2983144b44b1SLen Brown 2984fb5d4327SDasaratharaman Chandramouli int is_knl(unsigned int family, unsigned int model) 2985fb5d4327SDasaratharaman Chandramouli { 2986fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 2987fb5d4327SDasaratharaman Chandramouli return 0; 2988fb5d4327SDasaratharaman Chandramouli switch (model) { 2989fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 2990fb5d4327SDasaratharaman Chandramouli return 1; 2991fb5d4327SDasaratharaman Chandramouli } 2992fb5d4327SDasaratharaman Chandramouli return 0; 2993fb5d4327SDasaratharaman Chandramouli } 2994fb5d4327SDasaratharaman Chandramouli 2995b2b34dfeSHubert Chrzaniuk unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model) 2996b2b34dfeSHubert Chrzaniuk { 2997b2b34dfeSHubert Chrzaniuk if (is_knl(family, model)) 2998b2b34dfeSHubert Chrzaniuk return 1024; 2999b2b34dfeSHubert Chrzaniuk return 1; 3000b2b34dfeSHubert Chrzaniuk } 3001b2b34dfeSHubert Chrzaniuk 3002144b44b1SLen Brown #define SLM_BCLK_FREQS 5 3003144b44b1SLen Brown double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0}; 3004144b44b1SLen Brown 3005144b44b1SLen Brown double slm_bclk(void) 3006144b44b1SLen Brown { 3007144b44b1SLen Brown unsigned long long msr = 3; 3008144b44b1SLen Brown unsigned int i; 3009144b44b1SLen Brown double freq; 3010144b44b1SLen Brown 30117ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_FSB_FREQ, &msr)) 3012b7d8c148SLen Brown fprintf(outf, "SLM BCLK: unknown\n"); 3013144b44b1SLen Brown 3014144b44b1SLen Brown i = msr & 0xf; 3015144b44b1SLen Brown if (i >= SLM_BCLK_FREQS) { 3016b7d8c148SLen Brown fprintf(outf, "SLM BCLK[%d] invalid\n", i); 3017144b44b1SLen Brown msr = 3; 3018144b44b1SLen Brown } 3019144b44b1SLen Brown freq = slm_freq_table[i]; 3020144b44b1SLen Brown 3021b7d8c148SLen Brown fprintf(outf, "SLM BCLK: %.1f Mhz\n", freq); 3022144b44b1SLen Brown 3023144b44b1SLen Brown return freq; 3024144b44b1SLen Brown } 3025144b44b1SLen Brown 3026103a8feaSLen Brown double discover_bclk(unsigned int family, unsigned int model) 3027103a8feaSLen Brown { 3028121b48bbSChrzaniuk, Hubert if (has_snb_msrs(family, model) || is_knl(family, model)) 3029103a8feaSLen Brown return 100.00; 3030144b44b1SLen Brown else if (is_slm(family, model)) 3031144b44b1SLen Brown return slm_bclk(); 3032103a8feaSLen Brown else 3033103a8feaSLen Brown return 133.33; 3034103a8feaSLen Brown } 3035103a8feaSLen Brown 3036889facbeSLen Brown /* 3037889facbeSLen Brown * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where 3038889facbeSLen Brown * the Thermal Control Circuit (TCC) activates. 3039889facbeSLen Brown * This is usually equal to tjMax. 3040889facbeSLen Brown * 3041889facbeSLen Brown * Older processors do not have this MSR, so there we guess, 3042889facbeSLen Brown * but also allow cmdline over-ride with -T. 3043889facbeSLen Brown * 3044889facbeSLen Brown * Several MSR temperature values are in units of degrees-C 3045889facbeSLen Brown * below this value, including the Digital Thermal Sensor (DTS), 3046889facbeSLen Brown * Package Thermal Management Sensor (PTM), and thermal event thresholds. 3047889facbeSLen Brown */ 3048889facbeSLen Brown int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p) 3049889facbeSLen Brown { 3050889facbeSLen Brown unsigned long long msr; 3051889facbeSLen Brown unsigned int target_c_local; 3052889facbeSLen Brown int cpu; 3053889facbeSLen Brown 3054889facbeSLen Brown /* tcc_activation_temp is used only for dts or ptm */ 3055889facbeSLen Brown if (!(do_dts || do_ptm)) 3056889facbeSLen Brown return 0; 3057889facbeSLen Brown 3058889facbeSLen Brown /* this is a per-package concept */ 3059889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 3060889facbeSLen Brown return 0; 3061889facbeSLen Brown 3062889facbeSLen Brown cpu = t->cpu_id; 3063889facbeSLen Brown if (cpu_migrate(cpu)) { 3064b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 3065889facbeSLen Brown return -1; 3066889facbeSLen Brown } 3067889facbeSLen Brown 3068889facbeSLen Brown if (tcc_activation_temp_override != 0) { 3069889facbeSLen Brown tcc_activation_temp = tcc_activation_temp_override; 3070b7d8c148SLen Brown fprintf(outf, "cpu%d: Using cmdline TCC Target (%d C)\n", 3071889facbeSLen Brown cpu, tcc_activation_temp); 3072889facbeSLen Brown return 0; 3073889facbeSLen Brown } 3074889facbeSLen Brown 3075889facbeSLen Brown /* Temperature Target MSR is Nehalem and newer only */ 3076d7899447SLen Brown if (!do_nhm_platform_info) 3077889facbeSLen Brown goto guess; 3078889facbeSLen Brown 30797ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr)) 3080889facbeSLen Brown goto guess; 3081889facbeSLen Brown 30823482124aSJean Delvare target_c_local = (msr >> 16) & 0xFF; 3083889facbeSLen Brown 3084d8af6f5fSLen Brown if (debug) 3085b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", 3086889facbeSLen Brown cpu, msr, target_c_local); 3087889facbeSLen Brown 30883482124aSJean Delvare if (!target_c_local) 3089889facbeSLen Brown goto guess; 3090889facbeSLen Brown 3091889facbeSLen Brown tcc_activation_temp = target_c_local; 3092889facbeSLen Brown 3093889facbeSLen Brown return 0; 3094889facbeSLen Brown 3095889facbeSLen Brown guess: 3096889facbeSLen Brown tcc_activation_temp = TJMAX_DEFAULT; 3097b7d8c148SLen Brown fprintf(outf, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n", 3098889facbeSLen Brown cpu, tcc_activation_temp); 3099889facbeSLen Brown 3100889facbeSLen Brown return 0; 3101889facbeSLen Brown } 310269807a63SLen Brown 3103aa8d8cc7SLen Brown void decode_feature_control_msr(void) 3104aa8d8cc7SLen Brown { 3105aa8d8cc7SLen Brown unsigned long long msr; 3106aa8d8cc7SLen Brown 3107aa8d8cc7SLen Brown if (!get_msr(base_cpu, MSR_IA32_FEATURE_CONTROL, &msr)) 3108aa8d8cc7SLen Brown fprintf(outf, "cpu%d: MSR_IA32_FEATURE_CONTROL: 0x%08llx (%sLocked %s)\n", 3109aa8d8cc7SLen Brown base_cpu, msr, 3110aa8d8cc7SLen Brown msr & FEATURE_CONTROL_LOCKED ? "" : "UN-", 3111aa8d8cc7SLen Brown msr & (1 << 18) ? "SGX" : ""); 3112aa8d8cc7SLen Brown } 3113aa8d8cc7SLen Brown 311469807a63SLen Brown void decode_misc_enable_msr(void) 311569807a63SLen Brown { 311669807a63SLen Brown unsigned long long msr; 311769807a63SLen Brown 311869807a63SLen Brown if (!get_msr(base_cpu, MSR_IA32_MISC_ENABLE, &msr)) 3119b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_MISC_ENABLE: 0x%08llx (%s %s %s)\n", 312069807a63SLen Brown base_cpu, msr, 312169807a63SLen Brown msr & (1 << 3) ? "TCC" : "", 312269807a63SLen Brown msr & (1 << 16) ? "EIST" : "", 312369807a63SLen Brown msr & (1 << 18) ? "MONITOR" : ""); 312469807a63SLen Brown } 312569807a63SLen Brown 3126f0057310SLen Brown /* 3127f0057310SLen Brown * Decode MSR_MISC_PWR_MGMT 3128f0057310SLen Brown * 3129f0057310SLen Brown * Decode the bits according to the Nehalem documentation 3130f0057310SLen Brown * bit[0] seems to continue to have same meaning going forward 3131f0057310SLen Brown * bit[1] less so... 3132f0057310SLen Brown */ 3133f0057310SLen Brown void decode_misc_pwr_mgmt_msr(void) 3134f0057310SLen Brown { 3135f0057310SLen Brown unsigned long long msr; 3136f0057310SLen Brown 3137f0057310SLen Brown if (!do_nhm_platform_info) 3138f0057310SLen Brown return; 3139f0057310SLen Brown 3140f0057310SLen Brown if (!get_msr(base_cpu, MSR_MISC_PWR_MGMT, &msr)) 3141b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_MISC_PWR_MGMT: 0x%08llx (%sable-EIST_Coordination %sable-EPB)\n", 3142f0057310SLen Brown base_cpu, msr, 3143f0057310SLen Brown msr & (1 << 0) ? "DIS" : "EN", 3144f0057310SLen Brown msr & (1 << 1) ? "EN" : "DIS"); 3145f0057310SLen Brown } 31467f5c258eSLen Brown 3147fcd17211SLen Brown void process_cpuid() 3148103a8feaSLen Brown { 314961a87ba7SLen Brown unsigned int eax, ebx, ecx, edx, max_level, max_extended_level; 3150103a8feaSLen Brown unsigned int fms, family, model, stepping; 3151103a8feaSLen Brown 3152103a8feaSLen Brown eax = ebx = ecx = edx = 0; 3153103a8feaSLen Brown 31545aea2f7fSLen Brown __cpuid(0, max_level, ebx, ecx, edx); 3155103a8feaSLen Brown 3156103a8feaSLen Brown if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e) 3157103a8feaSLen Brown genuine_intel = 1; 3158103a8feaSLen Brown 3159d8af6f5fSLen Brown if (debug) 3160b7d8c148SLen Brown fprintf(outf, "CPUID(0): %.4s%.4s%.4s ", 3161103a8feaSLen Brown (char *)&ebx, (char *)&edx, (char *)&ecx); 3162103a8feaSLen Brown 31635aea2f7fSLen Brown __cpuid(1, fms, ebx, ecx, edx); 3164103a8feaSLen Brown family = (fms >> 8) & 0xf; 3165103a8feaSLen Brown model = (fms >> 4) & 0xf; 3166103a8feaSLen Brown stepping = fms & 0xf; 3167103a8feaSLen Brown if (family == 6 || family == 0xf) 3168103a8feaSLen Brown model += ((fms >> 16) & 0xf) << 4; 3169103a8feaSLen Brown 317069807a63SLen Brown if (debug) { 3171b7d8c148SLen Brown fprintf(outf, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n", 3172103a8feaSLen Brown max_level, family, model, stepping, family, model, stepping); 3173aa8d8cc7SLen Brown fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s %s\n", 317469807a63SLen Brown ecx & (1 << 0) ? "SSE3" : "-", 317569807a63SLen Brown ecx & (1 << 3) ? "MONITOR" : "-", 3176aa8d8cc7SLen Brown ecx & (1 << 6) ? "SMX" : "-", 317769807a63SLen Brown ecx & (1 << 7) ? "EIST" : "-", 317869807a63SLen Brown ecx & (1 << 8) ? "TM2" : "-", 317969807a63SLen Brown edx & (1 << 4) ? "TSC" : "-", 318069807a63SLen Brown edx & (1 << 5) ? "MSR" : "-", 318169807a63SLen Brown edx & (1 << 22) ? "ACPI-TM" : "-", 318269807a63SLen Brown edx & (1 << 29) ? "TM" : "-"); 318369807a63SLen Brown } 3184103a8feaSLen Brown 3185b2c95d90SJosh Triplett if (!(edx & (1 << 5))) 3186b2c95d90SJosh Triplett errx(1, "CPUID: no MSR"); 3187103a8feaSLen Brown 3188103a8feaSLen Brown /* 3189103a8feaSLen Brown * check max extended function levels of CPUID. 3190103a8feaSLen Brown * This is needed to check for invariant TSC. 3191103a8feaSLen Brown * This check is valid for both Intel and AMD. 3192103a8feaSLen Brown */ 3193103a8feaSLen Brown ebx = ecx = edx = 0; 31945aea2f7fSLen Brown __cpuid(0x80000000, max_extended_level, ebx, ecx, edx); 3195103a8feaSLen Brown 319661a87ba7SLen Brown if (max_extended_level >= 0x80000007) { 3197103a8feaSLen Brown 3198103a8feaSLen Brown /* 3199103a8feaSLen Brown * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 3200103a8feaSLen Brown * this check is valid for both Intel and AMD 3201103a8feaSLen Brown */ 32025aea2f7fSLen Brown __cpuid(0x80000007, eax, ebx, ecx, edx); 32038209e054SThomas Renninger has_invariant_tsc = edx & (1 << 8); 3204d7899447SLen Brown } 3205103a8feaSLen Brown 3206103a8feaSLen Brown /* 3207103a8feaSLen Brown * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0 3208103a8feaSLen Brown * this check is valid for both Intel and AMD 3209103a8feaSLen Brown */ 3210103a8feaSLen Brown 32115aea2f7fSLen Brown __cpuid(0x6, eax, ebx, ecx, edx); 32128209e054SThomas Renninger has_aperf = ecx & (1 << 0); 3213889facbeSLen Brown do_dts = eax & (1 << 0); 3214889facbeSLen Brown do_ptm = eax & (1 << 6); 32157f5c258eSLen Brown has_hwp = eax & (1 << 7); 32167f5c258eSLen Brown has_hwp_notify = eax & (1 << 8); 32177f5c258eSLen Brown has_hwp_activity_window = eax & (1 << 9); 32187f5c258eSLen Brown has_hwp_epp = eax & (1 << 10); 32197f5c258eSLen Brown has_hwp_pkg = eax & (1 << 11); 3220889facbeSLen Brown has_epb = ecx & (1 << 3); 3221889facbeSLen Brown 3222d8af6f5fSLen Brown if (debug) 3223b7d8c148SLen Brown fprintf(outf, "CPUID(6): %sAPERF, %sDTS, %sPTM, %sHWP, " 32247f5c258eSLen Brown "%sHWPnotify, %sHWPwindow, %sHWPepp, %sHWPpkg, %sEPB\n", 32257f5c258eSLen Brown has_aperf ? "" : "No-", 32267f5c258eSLen Brown do_dts ? "" : "No-", 32277f5c258eSLen Brown do_ptm ? "" : "No-", 32287f5c258eSLen Brown has_hwp ? "" : "No-", 32297f5c258eSLen Brown has_hwp_notify ? "" : "No-", 32307f5c258eSLen Brown has_hwp_activity_window ? "" : "No-", 32317f5c258eSLen Brown has_hwp_epp ? "" : "No-", 32327f5c258eSLen Brown has_hwp_pkg ? "" : "No-", 32337f5c258eSLen Brown has_epb ? "" : "No-"); 3234103a8feaSLen Brown 323569807a63SLen Brown if (debug) 323669807a63SLen Brown decode_misc_enable_msr(); 323769807a63SLen Brown 32388ae72255SLen Brown if (max_level >= 0x7 && debug) { 3239aa8d8cc7SLen Brown int has_sgx; 3240aa8d8cc7SLen Brown 3241aa8d8cc7SLen Brown ecx = 0; 3242aa8d8cc7SLen Brown 3243aa8d8cc7SLen Brown __cpuid_count(0x7, 0, eax, ebx, ecx, edx); 3244aa8d8cc7SLen Brown 3245aa8d8cc7SLen Brown has_sgx = ebx & (1 << 2); 3246aa8d8cc7SLen Brown fprintf(outf, "CPUID(7): %sSGX\n", has_sgx ? "" : "No-"); 3247aa8d8cc7SLen Brown 3248aa8d8cc7SLen Brown if (has_sgx) 3249aa8d8cc7SLen Brown decode_feature_control_msr(); 3250aa8d8cc7SLen Brown } 3251aa8d8cc7SLen Brown 325261a87ba7SLen Brown if (max_level >= 0x15) { 32538a5bdf41SLen Brown unsigned int eax_crystal; 32548a5bdf41SLen Brown unsigned int ebx_tsc; 32558a5bdf41SLen Brown 32568a5bdf41SLen Brown /* 32578a5bdf41SLen Brown * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz 32588a5bdf41SLen Brown */ 32598a5bdf41SLen Brown eax_crystal = ebx_tsc = crystal_hz = edx = 0; 32605aea2f7fSLen Brown __cpuid(0x15, eax_crystal, ebx_tsc, crystal_hz, edx); 32618a5bdf41SLen Brown 32628a5bdf41SLen Brown if (ebx_tsc != 0) { 32638a5bdf41SLen Brown 32648a5bdf41SLen Brown if (debug && (ebx != 0)) 3265b7d8c148SLen Brown fprintf(outf, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n", 32668a5bdf41SLen Brown eax_crystal, ebx_tsc, crystal_hz); 32678a5bdf41SLen Brown 32688a5bdf41SLen Brown if (crystal_hz == 0) 32698a5bdf41SLen Brown switch(model) { 32708a5bdf41SLen Brown case 0x4E: /* SKL */ 32718a5bdf41SLen Brown case 0x5E: /* SKL */ 32728a5bdf41SLen Brown crystal_hz = 24000000; /* 24 MHz */ 32738a5bdf41SLen Brown break; 32748a5bdf41SLen Brown default: 32758a5bdf41SLen Brown crystal_hz = 0; 32768a5bdf41SLen Brown } 32778a5bdf41SLen Brown 32788a5bdf41SLen Brown if (crystal_hz) { 32798a5bdf41SLen Brown tsc_hz = (unsigned long long) crystal_hz * ebx_tsc / eax_crystal; 32808a5bdf41SLen Brown if (debug) 3281b7d8c148SLen Brown fprintf(outf, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n", 32828a5bdf41SLen Brown tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal); 32838a5bdf41SLen Brown } 32848a5bdf41SLen Brown } 32858a5bdf41SLen Brown } 328661a87ba7SLen Brown if (max_level >= 0x16) { 328761a87ba7SLen Brown unsigned int base_mhz, max_mhz, bus_mhz, edx; 328861a87ba7SLen Brown 328961a87ba7SLen Brown /* 329061a87ba7SLen Brown * CPUID 16H Base MHz, Max MHz, Bus MHz 329161a87ba7SLen Brown */ 329261a87ba7SLen Brown base_mhz = max_mhz = bus_mhz = edx = 0; 329361a87ba7SLen Brown 32945aea2f7fSLen Brown __cpuid(0x16, base_mhz, max_mhz, bus_mhz, edx); 329561a87ba7SLen Brown if (debug) 3296b7d8c148SLen Brown fprintf(outf, "CPUID(0x16): base_mhz: %d max_mhz: %d bus_mhz: %d\n", 329761a87ba7SLen Brown base_mhz, max_mhz, bus_mhz); 329861a87ba7SLen Brown } 32998a5bdf41SLen Brown 3300b2b34dfeSHubert Chrzaniuk if (has_aperf) 3301b2b34dfeSHubert Chrzaniuk aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model); 3302b2b34dfeSHubert Chrzaniuk 3303ee7e38e3SLen Brown do_nhm_platform_info = do_nhm_cstates = do_smi = probe_nhm_msrs(family, model); 3304d7899447SLen Brown do_snb_cstates = has_snb_msrs(family, model); 3305*5a63426eSLen Brown do_irtl_snb = has_snb_msrs(family, model); 3306ee7e38e3SLen Brown do_pc2 = do_snb_cstates && (pkg_cstate_limit >= PCL__2); 3307ee7e38e3SLen Brown do_pc3 = (pkg_cstate_limit >= PCL__3); 3308ee7e38e3SLen Brown do_pc6 = (pkg_cstate_limit >= PCL__6); 3309ee7e38e3SLen Brown do_pc7 = do_snb_cstates && (pkg_cstate_limit >= PCL__7); 3310d7899447SLen Brown do_c8_c9_c10 = has_hsw_msrs(family, model); 3311*5a63426eSLen Brown do_irtl_hsw = has_hsw_msrs(family, model); 33120b2bb692SLen Brown do_skl_residency = has_skl_msrs(family, model); 3313144b44b1SLen Brown do_slm_cstates = is_slm(family, model); 3314fb5d4327SDasaratharaman Chandramouli do_knl_cstates = is_knl(family, model); 3315103a8feaSLen Brown 3316f0057310SLen Brown if (debug) 3317f0057310SLen Brown decode_misc_pwr_mgmt_msr(); 3318f0057310SLen Brown 3319889facbeSLen Brown rapl_probe(family, model); 33203a9a941dSLen Brown perf_limit_reasons_probe(family, model); 3321889facbeSLen Brown 3322fcd17211SLen Brown if (debug) 332358cc30a4SLen Brown dump_cstate_pstate_config_info(family, model); 3324fcd17211SLen Brown 3325a2b7b749SLen Brown if (has_skl_msrs(family, model)) 3326a2b7b749SLen Brown calculate_tsc_tweak(); 3327a2b7b749SLen Brown 3328fdf676e5SLen Brown do_gfx_rc6_ms = !access("/sys/class/drm/card0/power/rc6_residency_ms", R_OK); 3329fdf676e5SLen Brown 333027d47356SLen Brown do_gfx_mhz = !access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK); 333127d47356SLen Brown 3332889facbeSLen Brown return; 3333103a8feaSLen Brown } 3334103a8feaSLen Brown 3335d8af6f5fSLen Brown void help() 3336103a8feaSLen Brown { 3337b7d8c148SLen Brown fprintf(outf, 3338d8af6f5fSLen Brown "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n" 3339d8af6f5fSLen Brown "\n" 3340d8af6f5fSLen Brown "Turbostat forks the specified COMMAND and prints statistics\n" 3341d8af6f5fSLen Brown "when COMMAND completes.\n" 3342d8af6f5fSLen Brown "If no COMMAND is specified, turbostat wakes every 5-seconds\n" 3343d8af6f5fSLen Brown "to print statistics, until interrupted.\n" 3344d8af6f5fSLen Brown "--debug run in \"debug\" mode\n" 3345d8af6f5fSLen Brown "--interval sec Override default 5-second measurement interval\n" 3346d8af6f5fSLen Brown "--help print this help message\n" 3347d8af6f5fSLen Brown "--counter msr print 32-bit counter at address \"msr\"\n" 3348d8af6f5fSLen Brown "--Counter msr print 64-bit Counter at address \"msr\"\n" 3349b7d8c148SLen Brown "--out file create or truncate \"file\" for all output\n" 3350d8af6f5fSLen Brown "--msr msr print 32-bit value at address \"msr\"\n" 3351d8af6f5fSLen Brown "--MSR msr print 64-bit Value at address \"msr\"\n" 3352d8af6f5fSLen Brown "--version print version information\n" 3353d8af6f5fSLen Brown "\n" 3354d8af6f5fSLen Brown "For more help, run \"man turbostat\"\n"); 3355103a8feaSLen Brown } 3356103a8feaSLen Brown 3357103a8feaSLen Brown 3358103a8feaSLen Brown /* 3359103a8feaSLen Brown * in /dev/cpu/ return success for names that are numbers 3360103a8feaSLen Brown * ie. filter out ".", "..", "microcode". 3361103a8feaSLen Brown */ 3362103a8feaSLen Brown int dir_filter(const struct dirent *dirp) 3363103a8feaSLen Brown { 3364103a8feaSLen Brown if (isdigit(dirp->d_name[0])) 3365103a8feaSLen Brown return 1; 3366103a8feaSLen Brown else 3367103a8feaSLen Brown return 0; 3368103a8feaSLen Brown } 3369103a8feaSLen Brown 3370103a8feaSLen Brown int open_dev_cpu_msr(int dummy1) 3371103a8feaSLen Brown { 3372103a8feaSLen Brown return 0; 3373103a8feaSLen Brown } 3374103a8feaSLen Brown 3375c98d5d94SLen Brown void topology_probe() 3376c98d5d94SLen Brown { 3377c98d5d94SLen Brown int i; 3378c98d5d94SLen Brown int max_core_id = 0; 3379c98d5d94SLen Brown int max_package_id = 0; 3380c98d5d94SLen Brown int max_siblings = 0; 3381c98d5d94SLen Brown struct cpu_topology { 3382c98d5d94SLen Brown int core_id; 3383c98d5d94SLen Brown int physical_package_id; 3384c98d5d94SLen Brown } *cpus; 3385c98d5d94SLen Brown 3386c98d5d94SLen Brown /* Initialize num_cpus, max_cpu_num */ 3387c98d5d94SLen Brown topo.num_cpus = 0; 3388c98d5d94SLen Brown topo.max_cpu_num = 0; 3389c98d5d94SLen Brown for_all_proc_cpus(count_cpus); 3390c98d5d94SLen Brown if (!summary_only && topo.num_cpus > 1) 3391c98d5d94SLen Brown show_cpu = 1; 3392c98d5d94SLen Brown 3393d8af6f5fSLen Brown if (debug > 1) 3394b7d8c148SLen Brown fprintf(outf, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num); 3395c98d5d94SLen Brown 3396c98d5d94SLen Brown cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology)); 3397b2c95d90SJosh Triplett if (cpus == NULL) 3398b2c95d90SJosh Triplett err(1, "calloc cpus"); 3399c98d5d94SLen Brown 3400c98d5d94SLen Brown /* 3401c98d5d94SLen Brown * Allocate and initialize cpu_present_set 3402c98d5d94SLen Brown */ 3403c98d5d94SLen Brown cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1)); 3404b2c95d90SJosh Triplett if (cpu_present_set == NULL) 3405b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 3406c98d5d94SLen Brown cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 3407c98d5d94SLen Brown CPU_ZERO_S(cpu_present_setsize, cpu_present_set); 3408c98d5d94SLen Brown for_all_proc_cpus(mark_cpu_present); 3409c98d5d94SLen Brown 3410c98d5d94SLen Brown /* 3411c98d5d94SLen Brown * Allocate and initialize cpu_affinity_set 3412c98d5d94SLen Brown */ 3413c98d5d94SLen Brown cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1)); 3414b2c95d90SJosh Triplett if (cpu_affinity_set == NULL) 3415b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 3416c98d5d94SLen Brown cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 3417c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 3418c98d5d94SLen Brown 3419c98d5d94SLen Brown 3420c98d5d94SLen Brown /* 3421c98d5d94SLen Brown * For online cpus 3422c98d5d94SLen Brown * find max_core_id, max_package_id 3423c98d5d94SLen Brown */ 3424c98d5d94SLen Brown for (i = 0; i <= topo.max_cpu_num; ++i) { 3425c98d5d94SLen Brown int siblings; 3426c98d5d94SLen Brown 3427c98d5d94SLen Brown if (cpu_is_not_present(i)) { 3428d8af6f5fSLen Brown if (debug > 1) 3429b7d8c148SLen Brown fprintf(outf, "cpu%d NOT PRESENT\n", i); 3430c98d5d94SLen Brown continue; 3431c98d5d94SLen Brown } 3432c98d5d94SLen Brown cpus[i].core_id = get_core_id(i); 3433c98d5d94SLen Brown if (cpus[i].core_id > max_core_id) 3434c98d5d94SLen Brown max_core_id = cpus[i].core_id; 3435c98d5d94SLen Brown 3436c98d5d94SLen Brown cpus[i].physical_package_id = get_physical_package_id(i); 3437c98d5d94SLen Brown if (cpus[i].physical_package_id > max_package_id) 3438c98d5d94SLen Brown max_package_id = cpus[i].physical_package_id; 3439c98d5d94SLen Brown 3440c98d5d94SLen Brown siblings = get_num_ht_siblings(i); 3441c98d5d94SLen Brown if (siblings > max_siblings) 3442c98d5d94SLen Brown max_siblings = siblings; 3443d8af6f5fSLen Brown if (debug > 1) 3444b7d8c148SLen Brown fprintf(outf, "cpu %d pkg %d core %d\n", 3445c98d5d94SLen Brown i, cpus[i].physical_package_id, cpus[i].core_id); 3446c98d5d94SLen Brown } 3447c98d5d94SLen Brown topo.num_cores_per_pkg = max_core_id + 1; 3448d8af6f5fSLen Brown if (debug > 1) 3449b7d8c148SLen Brown fprintf(outf, "max_core_id %d, sizing for %d cores per package\n", 3450c98d5d94SLen Brown max_core_id, topo.num_cores_per_pkg); 34511cc21f7bSLen Brown if (debug && !summary_only && topo.num_cores_per_pkg > 1) 3452c98d5d94SLen Brown show_core = 1; 3453c98d5d94SLen Brown 3454c98d5d94SLen Brown topo.num_packages = max_package_id + 1; 3455d8af6f5fSLen Brown if (debug > 1) 3456b7d8c148SLen Brown fprintf(outf, "max_package_id %d, sizing for %d packages\n", 3457c98d5d94SLen Brown max_package_id, topo.num_packages); 34581cc21f7bSLen Brown if (debug && !summary_only && topo.num_packages > 1) 3459c98d5d94SLen Brown show_pkg = 1; 3460c98d5d94SLen Brown 3461c98d5d94SLen Brown topo.num_threads_per_core = max_siblings; 3462d8af6f5fSLen Brown if (debug > 1) 3463b7d8c148SLen Brown fprintf(outf, "max_siblings %d\n", max_siblings); 3464c98d5d94SLen Brown 3465c98d5d94SLen Brown free(cpus); 3466c98d5d94SLen Brown } 3467c98d5d94SLen Brown 3468c98d5d94SLen Brown void 3469c98d5d94SLen Brown allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p) 3470c98d5d94SLen Brown { 3471c98d5d94SLen Brown int i; 3472c98d5d94SLen Brown 3473c98d5d94SLen Brown *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg * 3474c98d5d94SLen Brown topo.num_packages, sizeof(struct thread_data)); 3475c98d5d94SLen Brown if (*t == NULL) 3476c98d5d94SLen Brown goto error; 3477c98d5d94SLen Brown 3478c98d5d94SLen Brown for (i = 0; i < topo.num_threads_per_core * 3479c98d5d94SLen Brown topo.num_cores_per_pkg * topo.num_packages; i++) 3480c98d5d94SLen Brown (*t)[i].cpu_id = -1; 3481c98d5d94SLen Brown 3482c98d5d94SLen Brown *c = calloc(topo.num_cores_per_pkg * topo.num_packages, 3483c98d5d94SLen Brown sizeof(struct core_data)); 3484c98d5d94SLen Brown if (*c == NULL) 3485c98d5d94SLen Brown goto error; 3486c98d5d94SLen Brown 3487c98d5d94SLen Brown for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++) 3488c98d5d94SLen Brown (*c)[i].core_id = -1; 3489c98d5d94SLen Brown 3490c98d5d94SLen Brown *p = calloc(topo.num_packages, sizeof(struct pkg_data)); 3491c98d5d94SLen Brown if (*p == NULL) 3492c98d5d94SLen Brown goto error; 3493c98d5d94SLen Brown 3494c98d5d94SLen Brown for (i = 0; i < topo.num_packages; i++) 3495c98d5d94SLen Brown (*p)[i].package_id = i; 3496c98d5d94SLen Brown 3497c98d5d94SLen Brown return; 3498c98d5d94SLen Brown error: 3499b2c95d90SJosh Triplett err(1, "calloc counters"); 3500c98d5d94SLen Brown } 3501c98d5d94SLen Brown /* 3502c98d5d94SLen Brown * init_counter() 3503c98d5d94SLen Brown * 3504c98d5d94SLen Brown * set cpu_id, core_num, pkg_num 3505c98d5d94SLen Brown * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE 3506c98d5d94SLen Brown * 3507c98d5d94SLen Brown * increment topo.num_cores when 1st core in pkg seen 3508c98d5d94SLen Brown */ 3509c98d5d94SLen Brown void init_counter(struct thread_data *thread_base, struct core_data *core_base, 3510c98d5d94SLen Brown struct pkg_data *pkg_base, int thread_num, int core_num, 3511c98d5d94SLen Brown int pkg_num, int cpu_id) 3512c98d5d94SLen Brown { 3513c98d5d94SLen Brown struct thread_data *t; 3514c98d5d94SLen Brown struct core_data *c; 3515c98d5d94SLen Brown struct pkg_data *p; 3516c98d5d94SLen Brown 3517c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_num, core_num, pkg_num); 3518c98d5d94SLen Brown c = GET_CORE(core_base, core_num, pkg_num); 3519c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_num); 3520c98d5d94SLen Brown 3521c98d5d94SLen Brown t->cpu_id = cpu_id; 3522c98d5d94SLen Brown if (thread_num == 0) { 3523c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_THREAD_IN_CORE; 3524c98d5d94SLen Brown if (cpu_is_first_core_in_package(cpu_id)) 3525c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE; 3526c98d5d94SLen Brown } 3527c98d5d94SLen Brown 3528c98d5d94SLen Brown c->core_id = core_num; 3529c98d5d94SLen Brown p->package_id = pkg_num; 3530c98d5d94SLen Brown } 3531c98d5d94SLen Brown 3532c98d5d94SLen Brown 3533c98d5d94SLen Brown int initialize_counters(int cpu_id) 3534c98d5d94SLen Brown { 3535c98d5d94SLen Brown int my_thread_id, my_core_id, my_package_id; 3536c98d5d94SLen Brown 3537c98d5d94SLen Brown my_package_id = get_physical_package_id(cpu_id); 3538c98d5d94SLen Brown my_core_id = get_core_id(cpu_id); 3539e275b388SDasaratharaman Chandramouli my_thread_id = get_cpu_position_in_core(cpu_id); 3540e275b388SDasaratharaman Chandramouli if (!my_thread_id) 3541c98d5d94SLen Brown topo.num_cores++; 3542c98d5d94SLen Brown 3543c98d5d94SLen Brown init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3544c98d5d94SLen Brown init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3545c98d5d94SLen Brown return 0; 3546c98d5d94SLen Brown } 3547c98d5d94SLen Brown 3548c98d5d94SLen Brown void allocate_output_buffer() 3549c98d5d94SLen Brown { 35503b4d5c7fSAndy Shevchenko output_buffer = calloc(1, (1 + topo.num_cpus) * 1024); 3551c98d5d94SLen Brown outp = output_buffer; 3552b2c95d90SJosh Triplett if (outp == NULL) 3553b2c95d90SJosh Triplett err(-1, "calloc output buffer"); 3554c98d5d94SLen Brown } 355536229897SLen Brown void allocate_fd_percpu(void) 355636229897SLen Brown { 355736229897SLen Brown fd_percpu = calloc(topo.max_cpu_num, sizeof(int)); 355836229897SLen Brown if (fd_percpu == NULL) 355936229897SLen Brown err(-1, "calloc fd_percpu"); 356036229897SLen Brown } 3561562a2d37SLen Brown void allocate_irq_buffers(void) 3562562a2d37SLen Brown { 3563562a2d37SLen Brown irq_column_2_cpu = calloc(topo.num_cpus, sizeof(int)); 3564562a2d37SLen Brown if (irq_column_2_cpu == NULL) 3565562a2d37SLen Brown err(-1, "calloc %d", topo.num_cpus); 3566562a2d37SLen Brown 3567562a2d37SLen Brown irqs_per_cpu = calloc(topo.max_cpu_num, sizeof(int)); 3568562a2d37SLen Brown if (irqs_per_cpu == NULL) 3569562a2d37SLen Brown err(-1, "calloc %d", topo.max_cpu_num); 3570562a2d37SLen Brown } 3571c98d5d94SLen Brown void setup_all_buffers(void) 3572c98d5d94SLen Brown { 3573c98d5d94SLen Brown topology_probe(); 3574562a2d37SLen Brown allocate_irq_buffers(); 357536229897SLen Brown allocate_fd_percpu(); 3576c98d5d94SLen Brown allocate_counters(&thread_even, &core_even, &package_even); 3577c98d5d94SLen Brown allocate_counters(&thread_odd, &core_odd, &package_odd); 3578c98d5d94SLen Brown allocate_output_buffer(); 3579c98d5d94SLen Brown for_all_proc_cpus(initialize_counters); 3580c98d5d94SLen Brown } 35813b4d5c7fSAndy Shevchenko 35827ce7d5deSPrarit Bhargava void set_base_cpu(void) 35837ce7d5deSPrarit Bhargava { 35847ce7d5deSPrarit Bhargava base_cpu = sched_getcpu(); 35857ce7d5deSPrarit Bhargava if (base_cpu < 0) 35867ce7d5deSPrarit Bhargava err(-ENODEV, "No valid cpus found"); 35877ce7d5deSPrarit Bhargava 35887ce7d5deSPrarit Bhargava if (debug > 1) 3589b7d8c148SLen Brown fprintf(outf, "base_cpu = %d\n", base_cpu); 35907ce7d5deSPrarit Bhargava } 35917ce7d5deSPrarit Bhargava 3592103a8feaSLen Brown void turbostat_init() 3593103a8feaSLen Brown { 35947ce7d5deSPrarit Bhargava setup_all_buffers(); 35957ce7d5deSPrarit Bhargava set_base_cpu(); 3596103a8feaSLen Brown check_dev_msr(); 359798481e79SLen Brown check_permissions(); 3598fcd17211SLen Brown process_cpuid(); 3599103a8feaSLen Brown 3600103a8feaSLen Brown 3601d8af6f5fSLen Brown if (debug) 36027f5c258eSLen Brown for_all_cpus(print_hwp, ODD_COUNTERS); 36037f5c258eSLen Brown 36047f5c258eSLen Brown if (debug) 3605889facbeSLen Brown for_all_cpus(print_epb, ODD_COUNTERS); 3606889facbeSLen Brown 3607d8af6f5fSLen Brown if (debug) 36083a9a941dSLen Brown for_all_cpus(print_perf_limit, ODD_COUNTERS); 36093a9a941dSLen Brown 3610d8af6f5fSLen Brown if (debug) 3611889facbeSLen Brown for_all_cpus(print_rapl, ODD_COUNTERS); 3612889facbeSLen Brown 3613889facbeSLen Brown for_all_cpus(set_temperature_target, ODD_COUNTERS); 3614889facbeSLen Brown 3615d8af6f5fSLen Brown if (debug) 3616889facbeSLen Brown for_all_cpus(print_thermal, ODD_COUNTERS); 3617*5a63426eSLen Brown 3618*5a63426eSLen Brown if (debug && do_irtl_snb) 3619*5a63426eSLen Brown print_irtl(); 3620103a8feaSLen Brown } 3621103a8feaSLen Brown 3622103a8feaSLen Brown int fork_it(char **argv) 3623103a8feaSLen Brown { 3624103a8feaSLen Brown pid_t child_pid; 3625d91bb17cSLen Brown int status; 3626d15cf7c1SLen Brown 3627d91bb17cSLen Brown status = for_all_cpus(get_counters, EVEN_COUNTERS); 3628d91bb17cSLen Brown if (status) 3629d91bb17cSLen Brown exit(status); 3630d15cf7c1SLen Brown /* clear affinity side-effect of get_counters() */ 3631d15cf7c1SLen Brown sched_setaffinity(0, cpu_present_setsize, cpu_present_set); 3632103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 3633103a8feaSLen Brown 3634103a8feaSLen Brown child_pid = fork(); 3635103a8feaSLen Brown if (!child_pid) { 3636103a8feaSLen Brown /* child */ 3637103a8feaSLen Brown execvp(argv[0], argv); 3638103a8feaSLen Brown } else { 3639103a8feaSLen Brown 3640103a8feaSLen Brown /* parent */ 3641b2c95d90SJosh Triplett if (child_pid == -1) 3642b2c95d90SJosh Triplett err(1, "fork"); 3643103a8feaSLen Brown 3644103a8feaSLen Brown signal(SIGINT, SIG_IGN); 3645103a8feaSLen Brown signal(SIGQUIT, SIG_IGN); 3646b2c95d90SJosh Triplett if (waitpid(child_pid, &status, 0) == -1) 3647b2c95d90SJosh Triplett err(status, "waitpid"); 3648103a8feaSLen Brown } 3649c98d5d94SLen Brown /* 3650c98d5d94SLen Brown * n.b. fork_it() does not check for errors from for_all_cpus() 3651c98d5d94SLen Brown * because re-starting is problematic when forking 3652c98d5d94SLen Brown */ 3653c98d5d94SLen Brown for_all_cpus(get_counters, ODD_COUNTERS); 3654103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 3655103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 3656c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 3657c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 3658c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 3659103a8feaSLen Brown 3660b7d8c148SLen Brown fprintf(outf, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); 3661b7d8c148SLen Brown 3662b7d8c148SLen Brown flush_output_stderr(); 3663103a8feaSLen Brown 3664d91bb17cSLen Brown return status; 3665103a8feaSLen Brown } 3666103a8feaSLen Brown 36673b4d5c7fSAndy Shevchenko int get_and_dump_counters(void) 36683b4d5c7fSAndy Shevchenko { 36693b4d5c7fSAndy Shevchenko int status; 36703b4d5c7fSAndy Shevchenko 36713b4d5c7fSAndy Shevchenko status = for_all_cpus(get_counters, ODD_COUNTERS); 36723b4d5c7fSAndy Shevchenko if (status) 36733b4d5c7fSAndy Shevchenko return status; 36743b4d5c7fSAndy Shevchenko 36753b4d5c7fSAndy Shevchenko status = for_all_cpus(dump_counters, ODD_COUNTERS); 36763b4d5c7fSAndy Shevchenko if (status) 36773b4d5c7fSAndy Shevchenko return status; 36783b4d5c7fSAndy Shevchenko 3679b7d8c148SLen Brown flush_output_stdout(); 36803b4d5c7fSAndy Shevchenko 36813b4d5c7fSAndy Shevchenko return status; 36823b4d5c7fSAndy Shevchenko } 36833b4d5c7fSAndy Shevchenko 3684d8af6f5fSLen Brown void print_version() { 36850102b067SLen Brown fprintf(outf, "turbostat version 4.11 27 Feb 2016" 3686d8af6f5fSLen Brown " - Len Brown <lenb@kernel.org>\n"); 3687d8af6f5fSLen Brown } 3688d8af6f5fSLen Brown 3689103a8feaSLen Brown void cmdline(int argc, char **argv) 3690103a8feaSLen Brown { 3691103a8feaSLen Brown int opt; 3692d8af6f5fSLen Brown int option_index = 0; 3693d8af6f5fSLen Brown static struct option long_options[] = { 3694d8af6f5fSLen Brown {"Counter", required_argument, 0, 'C'}, 3695d8af6f5fSLen Brown {"counter", required_argument, 0, 'c'}, 3696d8af6f5fSLen Brown {"Dump", no_argument, 0, 'D'}, 3697d8af6f5fSLen Brown {"debug", no_argument, 0, 'd'}, 3698d8af6f5fSLen Brown {"interval", required_argument, 0, 'i'}, 3699d8af6f5fSLen Brown {"help", no_argument, 0, 'h'}, 3700d8af6f5fSLen Brown {"Joules", no_argument, 0, 'J'}, 3701d8af6f5fSLen Brown {"MSR", required_argument, 0, 'M'}, 3702d8af6f5fSLen Brown {"msr", required_argument, 0, 'm'}, 3703b7d8c148SLen Brown {"out", required_argument, 0, 'o'}, 3704d8af6f5fSLen Brown {"Package", no_argument, 0, 'p'}, 3705d8af6f5fSLen Brown {"processor", no_argument, 0, 'p'}, 3706d8af6f5fSLen Brown {"Summary", no_argument, 0, 'S'}, 3707d8af6f5fSLen Brown {"TCC", required_argument, 0, 'T'}, 3708d8af6f5fSLen Brown {"version", no_argument, 0, 'v' }, 3709d8af6f5fSLen Brown {0, 0, 0, 0 } 3710d8af6f5fSLen Brown }; 3711103a8feaSLen Brown 3712103a8feaSLen Brown progname = argv[0]; 3713103a8feaSLen Brown 3714b7d8c148SLen Brown while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:o:PpST:v", 3715d8af6f5fSLen Brown long_options, &option_index)) != -1) { 3716103a8feaSLen Brown switch (opt) { 3717d8af6f5fSLen Brown case 'C': 3718d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_delta_offset64); 3719103a8feaSLen Brown break; 3720f9240813SLen Brown case 'c': 37218e180f3cSLen Brown sscanf(optarg, "%x", &extra_delta_offset32); 37228e180f3cSLen Brown break; 3723d8af6f5fSLen Brown case 'D': 3724d8af6f5fSLen Brown dump_only++; 37258e180f3cSLen Brown break; 3726d8af6f5fSLen Brown case 'd': 3727d8af6f5fSLen Brown debug++; 37282f32edf1SLen Brown break; 3729d8af6f5fSLen Brown case 'h': 3730d8af6f5fSLen Brown default: 3731d8af6f5fSLen Brown help(); 3732d8af6f5fSLen Brown exit(1); 3733d8af6f5fSLen Brown case 'i': 37342a0609c0SLen Brown { 37352a0609c0SLen Brown double interval = strtod(optarg, NULL); 37362a0609c0SLen Brown 37372a0609c0SLen Brown if (interval < 0.001) { 3738b7d8c148SLen Brown fprintf(outf, "interval %f seconds is too small\n", 37392a0609c0SLen Brown interval); 37402a0609c0SLen Brown exit(2); 37412a0609c0SLen Brown } 37422a0609c0SLen Brown 37432a0609c0SLen Brown interval_ts.tv_sec = interval; 37442a0609c0SLen Brown interval_ts.tv_nsec = (interval - interval_ts.tv_sec) * 1000000000; 37452a0609c0SLen Brown } 3746889facbeSLen Brown break; 37475c56be9aSDirk Brandewie case 'J': 37485c56be9aSDirk Brandewie rapl_joules++; 37495c56be9aSDirk Brandewie break; 3750d8af6f5fSLen Brown case 'M': 3751d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset64); 3752d8af6f5fSLen Brown break; 3753d8af6f5fSLen Brown case 'm': 3754d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset32); 3755d8af6f5fSLen Brown break; 3756b7d8c148SLen Brown case 'o': 3757b7d8c148SLen Brown outf = fopen_or_die(optarg, "w"); 3758b7d8c148SLen Brown break; 3759d8af6f5fSLen Brown case 'P': 3760d8af6f5fSLen Brown show_pkg_only++; 3761d8af6f5fSLen Brown break; 3762d8af6f5fSLen Brown case 'p': 3763d8af6f5fSLen Brown show_core_only++; 3764d8af6f5fSLen Brown break; 3765d8af6f5fSLen Brown case 'S': 3766d8af6f5fSLen Brown summary_only++; 3767d8af6f5fSLen Brown break; 3768d8af6f5fSLen Brown case 'T': 3769d8af6f5fSLen Brown tcc_activation_temp_override = atoi(optarg); 3770d8af6f5fSLen Brown break; 3771d8af6f5fSLen Brown case 'v': 3772d8af6f5fSLen Brown print_version(); 3773d8af6f5fSLen Brown exit(0); 3774d8af6f5fSLen Brown break; 3775103a8feaSLen Brown } 3776103a8feaSLen Brown } 3777103a8feaSLen Brown } 3778103a8feaSLen Brown 3779103a8feaSLen Brown int main(int argc, char **argv) 3780103a8feaSLen Brown { 3781b7d8c148SLen Brown outf = stderr; 3782b7d8c148SLen Brown 3783103a8feaSLen Brown cmdline(argc, argv); 3784103a8feaSLen Brown 3785d8af6f5fSLen Brown if (debug) 3786d8af6f5fSLen Brown print_version(); 3787103a8feaSLen Brown 3788103a8feaSLen Brown turbostat_init(); 3789103a8feaSLen Brown 37903b4d5c7fSAndy Shevchenko /* dump counters and exit */ 37913b4d5c7fSAndy Shevchenko if (dump_only) 37923b4d5c7fSAndy Shevchenko return get_and_dump_counters(); 37933b4d5c7fSAndy Shevchenko 3794103a8feaSLen Brown /* 3795103a8feaSLen Brown * if any params left, it must be a command to fork 3796103a8feaSLen Brown */ 3797103a8feaSLen Brown if (argc - optind) 3798103a8feaSLen Brown return fork_it(argv + optind); 3799103a8feaSLen Brown else 3800103a8feaSLen Brown turbostat_loop(); 3801103a8feaSLen Brown 3802103a8feaSLen Brown return 0; 3803103a8feaSLen Brown } 3804