1103a8feaSLen Brown /* 2103a8feaSLen Brown * turbostat -- show CPU frequency and C-state residency 3103a8feaSLen Brown * on modern Intel turbo-capable processors. 4103a8feaSLen Brown * 5144b44b1SLen Brown * Copyright (c) 2013 Intel Corporation. 6103a8feaSLen Brown * Len Brown <len.brown@intel.com> 7103a8feaSLen Brown * 8103a8feaSLen Brown * This program is free software; you can redistribute it and/or modify it 9103a8feaSLen Brown * under the terms and conditions of the GNU General Public License, 10103a8feaSLen Brown * version 2, as published by the Free Software Foundation. 11103a8feaSLen Brown * 12103a8feaSLen Brown * This program is distributed in the hope it will be useful, but WITHOUT 13103a8feaSLen Brown * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14103a8feaSLen Brown * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15103a8feaSLen Brown * more details. 16103a8feaSLen Brown * 17103a8feaSLen Brown * You should have received a copy of the GNU General Public License along with 18103a8feaSLen Brown * this program; if not, write to the Free Software Foundation, Inc., 19103a8feaSLen Brown * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 20103a8feaSLen Brown */ 21103a8feaSLen Brown 2288c3281fSLen Brown #define _GNU_SOURCE 23b731f311SJosh Triplett #include MSRHEADER 2495aebc44SJosh Triplett #include <stdarg.h> 25103a8feaSLen Brown #include <stdio.h> 26b2c95d90SJosh Triplett #include <err.h> 27103a8feaSLen Brown #include <unistd.h> 28103a8feaSLen Brown #include <sys/types.h> 29103a8feaSLen Brown #include <sys/wait.h> 30103a8feaSLen Brown #include <sys/stat.h> 31103a8feaSLen Brown #include <sys/resource.h> 32103a8feaSLen Brown #include <fcntl.h> 33103a8feaSLen Brown #include <signal.h> 34103a8feaSLen Brown #include <sys/time.h> 35103a8feaSLen Brown #include <stdlib.h> 36d8af6f5fSLen Brown #include <getopt.h> 37103a8feaSLen Brown #include <dirent.h> 38103a8feaSLen Brown #include <string.h> 39103a8feaSLen Brown #include <ctype.h> 4088c3281fSLen Brown #include <sched.h> 412a0609c0SLen Brown #include <time.h> 422b92865eSJosh Triplett #include <cpuid.h> 4398481e79SLen Brown #include <linux/capability.h> 4498481e79SLen Brown #include <errno.h> 45103a8feaSLen Brown 46103a8feaSLen Brown char *proc_stat = "/proc/stat"; 47b7d8c148SLen Brown FILE *outf; 4836229897SLen Brown int *fd_percpu; 492a0609c0SLen Brown struct timespec interval_ts = {5, 0}; 50d8af6f5fSLen Brown unsigned int debug; 51d8af6f5fSLen Brown unsigned int rapl_joules; 52d8af6f5fSLen Brown unsigned int summary_only; 53d8af6f5fSLen Brown unsigned int dump_only; 54103a8feaSLen Brown unsigned int skip_c0; 55103a8feaSLen Brown unsigned int skip_c1; 56103a8feaSLen Brown unsigned int do_nhm_cstates; 57103a8feaSLen Brown unsigned int do_snb_cstates; 58fb5d4327SDasaratharaman Chandramouli unsigned int do_knl_cstates; 59ee7e38e3SLen Brown unsigned int do_pc2; 60ee7e38e3SLen Brown unsigned int do_pc3; 61ee7e38e3SLen Brown unsigned int do_pc6; 62ee7e38e3SLen Brown unsigned int do_pc7; 63ca58710fSKristen Carlson Accardi unsigned int do_c8_c9_c10; 640b2bb692SLen Brown unsigned int do_skl_residency; 65144b44b1SLen Brown unsigned int do_slm_cstates; 66144b44b1SLen Brown unsigned int use_c1_residency_msr; 67103a8feaSLen Brown unsigned int has_aperf; 68889facbeSLen Brown unsigned int has_epb; 695a63426eSLen Brown unsigned int do_irtl_snb; 705a63426eSLen Brown unsigned int do_irtl_hsw; 71fc04cc67SLen Brown unsigned int units = 1000000; /* MHz etc */ 72103a8feaSLen Brown unsigned int genuine_intel; 73103a8feaSLen Brown unsigned int has_invariant_tsc; 74d7899447SLen Brown unsigned int do_nhm_platform_info; 752f32edf1SLen Brown unsigned int extra_msr_offset32; 762f32edf1SLen Brown unsigned int extra_msr_offset64; 778e180f3cSLen Brown unsigned int extra_delta_offset32; 788e180f3cSLen Brown unsigned int extra_delta_offset64; 79b2b34dfeSHubert Chrzaniuk unsigned int aperf_mperf_multiplier = 1; 80562a2d37SLen Brown int do_irq = 1; 811ed51011SLen Brown int do_smi; 82103a8feaSLen Brown double bclk; 83a2b7b749SLen Brown double base_hz; 8421ed5574SLen Brown unsigned int has_base_hz; 85a2b7b749SLen Brown double tsc_tweak = 1.0; 86103a8feaSLen Brown unsigned int show_pkg; 87103a8feaSLen Brown unsigned int show_core; 88103a8feaSLen Brown unsigned int show_cpu; 89c98d5d94SLen Brown unsigned int show_pkg_only; 90c98d5d94SLen Brown unsigned int show_core_only; 91c98d5d94SLen Brown char *output_buffer, *outp; 92889facbeSLen Brown unsigned int do_rapl; 93889facbeSLen Brown unsigned int do_dts; 94889facbeSLen Brown unsigned int do_ptm; 95fdf676e5SLen Brown unsigned int do_gfx_rc6_ms; 96fdf676e5SLen Brown unsigned long long gfx_cur_rc6_ms; 9727d47356SLen Brown unsigned int do_gfx_mhz; 9827d47356SLen Brown unsigned int gfx_cur_mhz; 99889facbeSLen Brown unsigned int tcc_activation_temp; 100889facbeSLen Brown unsigned int tcc_activation_temp_override; 10140ee8e3bSAndrey Semin double rapl_power_units, rapl_time_units; 10240ee8e3bSAndrey Semin double rapl_dram_energy_units, rapl_energy_units; 103889facbeSLen Brown double rapl_joule_counter_range; 1043a9a941dSLen Brown unsigned int do_core_perf_limit_reasons; 1053a9a941dSLen Brown unsigned int do_gfx_perf_limit_reasons; 1063a9a941dSLen Brown unsigned int do_ring_perf_limit_reasons; 1078a5bdf41SLen Brown unsigned int crystal_hz; 1088a5bdf41SLen Brown unsigned long long tsc_hz; 1097ce7d5deSPrarit Bhargava int base_cpu; 11021ed5574SLen Brown double discover_bclk(unsigned int family, unsigned int model); 1117f5c258eSLen Brown unsigned int has_hwp; /* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */ 1127f5c258eSLen Brown /* IA32_HWP_REQUEST, IA32_HWP_STATUS */ 1137f5c258eSLen Brown unsigned int has_hwp_notify; /* IA32_HWP_INTERRUPT */ 1147f5c258eSLen Brown unsigned int has_hwp_activity_window; /* IA32_HWP_REQUEST[bits 41:32] */ 1157f5c258eSLen Brown unsigned int has_hwp_epp; /* IA32_HWP_REQUEST[bits 31:24] */ 1167f5c258eSLen Brown unsigned int has_hwp_pkg; /* IA32_HWP_REQUEST_PKG */ 117889facbeSLen Brown 118889facbeSLen Brown #define RAPL_PKG (1 << 0) 119e6f9bb3cSLen Brown /* 0x610 MSR_PKG_POWER_LIMIT */ 120e6f9bb3cSLen Brown /* 0x611 MSR_PKG_ENERGY_STATUS */ 121e6f9bb3cSLen Brown #define RAPL_PKG_PERF_STATUS (1 << 1) 122e6f9bb3cSLen Brown /* 0x613 MSR_PKG_PERF_STATUS */ 123e6f9bb3cSLen Brown #define RAPL_PKG_POWER_INFO (1 << 2) 124e6f9bb3cSLen Brown /* 0x614 MSR_PKG_POWER_INFO */ 125e6f9bb3cSLen Brown 126889facbeSLen Brown #define RAPL_DRAM (1 << 3) 127e6f9bb3cSLen Brown /* 0x618 MSR_DRAM_POWER_LIMIT */ 128e6f9bb3cSLen Brown /* 0x619 MSR_DRAM_ENERGY_STATUS */ 129e6f9bb3cSLen Brown #define RAPL_DRAM_PERF_STATUS (1 << 4) 130e6f9bb3cSLen Brown /* 0x61b MSR_DRAM_PERF_STATUS */ 1310b2bb692SLen Brown #define RAPL_DRAM_POWER_INFO (1 << 5) 1320b2bb692SLen Brown /* 0x61c MSR_DRAM_POWER_INFO */ 133e6f9bb3cSLen Brown 1340b2bb692SLen Brown #define RAPL_CORES (1 << 6) 135e6f9bb3cSLen Brown /* 0x638 MSR_PP0_POWER_LIMIT */ 136e6f9bb3cSLen Brown /* 0x639 MSR_PP0_ENERGY_STATUS */ 1370b2bb692SLen Brown #define RAPL_CORE_POLICY (1 << 7) 138e6f9bb3cSLen Brown /* 0x63a MSR_PP0_POLICY */ 139e6f9bb3cSLen Brown 1400b2bb692SLen Brown #define RAPL_GFX (1 << 8) 141e6f9bb3cSLen Brown /* 0x640 MSR_PP1_POWER_LIMIT */ 142e6f9bb3cSLen Brown /* 0x641 MSR_PP1_ENERGY_STATUS */ 143e6f9bb3cSLen Brown /* 0x642 MSR_PP1_POLICY */ 144889facbeSLen Brown #define TJMAX_DEFAULT 100 145889facbeSLen Brown 146889facbeSLen Brown #define MAX(a, b) ((a) > (b) ? (a) : (b)) 147103a8feaSLen Brown 148103a8feaSLen Brown int aperf_mperf_unstable; 149103a8feaSLen Brown int backwards_count; 150103a8feaSLen Brown char *progname; 151103a8feaSLen Brown 152c98d5d94SLen Brown cpu_set_t *cpu_present_set, *cpu_affinity_set; 153c98d5d94SLen Brown size_t cpu_present_setsize, cpu_affinity_setsize; 154c98d5d94SLen Brown 155c98d5d94SLen Brown struct thread_data { 156c98d5d94SLen Brown unsigned long long tsc; 157c98d5d94SLen Brown unsigned long long aperf; 158c98d5d94SLen Brown unsigned long long mperf; 159144b44b1SLen Brown unsigned long long c1; 1602f32edf1SLen Brown unsigned long long extra_msr64; 1618e180f3cSLen Brown unsigned long long extra_delta64; 1628e180f3cSLen Brown unsigned long long extra_msr32; 1638e180f3cSLen Brown unsigned long long extra_delta32; 164562a2d37SLen Brown unsigned int irq_count; 1651ed51011SLen Brown unsigned int smi_count; 166c98d5d94SLen Brown unsigned int cpu_id; 167c98d5d94SLen Brown unsigned int flags; 168c98d5d94SLen Brown #define CPU_IS_FIRST_THREAD_IN_CORE 0x2 169c98d5d94SLen Brown #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4 170c98d5d94SLen Brown } *thread_even, *thread_odd; 171c98d5d94SLen Brown 172c98d5d94SLen Brown struct core_data { 173c98d5d94SLen Brown unsigned long long c3; 174c98d5d94SLen Brown unsigned long long c6; 175c98d5d94SLen Brown unsigned long long c7; 176889facbeSLen Brown unsigned int core_temp_c; 177c98d5d94SLen Brown unsigned int core_id; 178c98d5d94SLen Brown } *core_even, *core_odd; 179c98d5d94SLen Brown 180c98d5d94SLen Brown struct pkg_data { 181c98d5d94SLen Brown unsigned long long pc2; 182c98d5d94SLen Brown unsigned long long pc3; 183c98d5d94SLen Brown unsigned long long pc6; 184c98d5d94SLen Brown unsigned long long pc7; 185ca58710fSKristen Carlson Accardi unsigned long long pc8; 186ca58710fSKristen Carlson Accardi unsigned long long pc9; 187ca58710fSKristen Carlson Accardi unsigned long long pc10; 1880b2bb692SLen Brown unsigned long long pkg_wtd_core_c0; 1890b2bb692SLen Brown unsigned long long pkg_any_core_c0; 1900b2bb692SLen Brown unsigned long long pkg_any_gfxe_c0; 1910b2bb692SLen Brown unsigned long long pkg_both_core_gfxe_c0; 1929185e988SLen Brown 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 */ 6269185e988SLen Brown if (do_gfx_rc6_ms) { 6279185e988SLen Brown if (p->gfx_rc6_ms == -1) { /* detect counter reset */ 6289185e988SLen Brown outp += sprintf(outp, " ***.**"); 6299185e988SLen Brown } else { 6309185e988SLen Brown outp += sprintf(outp, "%8.2f", 6319185e988SLen Brown p->gfx_rc6_ms / 10.0 / interval_float); 6329185e988SLen Brown } 6339185e988SLen Brown } 634fdf676e5SLen Brown 63527d47356SLen Brown /* GFXMHz */ 63627d47356SLen Brown if (do_gfx_mhz) 63727d47356SLen Brown outp += sprintf(outp, "%8d", p->gfx_mhz); 63827d47356SLen Brown 6390b2bb692SLen Brown /* Totl%C0, Any%C0 GFX%C0 CPUGFX% */ 6400b2bb692SLen Brown if (do_skl_residency) { 6410b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_wtd_core_c0/t->tsc); 6420b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_core_c0/t->tsc); 6430b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_gfxe_c0/t->tsc); 6440b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_both_core_gfxe_c0/t->tsc); 6450b2bb692SLen Brown } 6460b2bb692SLen Brown 647ee7e38e3SLen Brown if (do_pc2) 648fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc2/t->tsc); 649ee7e38e3SLen Brown if (do_pc3) 650fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc3/t->tsc); 651ee7e38e3SLen Brown if (do_pc6) 652fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc6/t->tsc); 653ee7e38e3SLen Brown if (do_pc7) 654fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc7/t->tsc); 655ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 656fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc8/t->tsc); 657fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc9/t->tsc); 658fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc10/t->tsc); 659ca58710fSKristen Carlson Accardi } 660889facbeSLen Brown 661889facbeSLen Brown /* 662889facbeSLen Brown * If measurement interval exceeds minimum RAPL Joule Counter range, 663889facbeSLen Brown * indicate that results are suspect by printing "**" in fraction place. 664889facbeSLen Brown */ 665fc04cc67SLen Brown if (interval_float < rapl_joule_counter_range) 666fc04cc67SLen Brown fmt8 = "%8.2f"; 667fc04cc67SLen Brown else 668fc04cc67SLen Brown fmt8 = " %6.0f**"; 669889facbeSLen Brown 6705c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 671889facbeSLen Brown if (do_rapl & RAPL_PKG) 672fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float); 673889facbeSLen Brown if (do_rapl & RAPL_CORES) 674fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float); 675889facbeSLen Brown if (do_rapl & RAPL_GFX) 676fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float); 677889facbeSLen Brown if (do_rapl & RAPL_DRAM) 67840ee8e3bSAndrey Semin outp += sprintf(outp, fmt8, p->energy_dram * rapl_dram_energy_units / interval_float); 679889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 680fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 681889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 682fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 683d7899447SLen Brown } else if (do_rapl && rapl_joules) { 6845c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 685fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6865c56be9aSDirk Brandewie p->energy_pkg * rapl_energy_units); 6875c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 688fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6895c56be9aSDirk Brandewie p->energy_cores * rapl_energy_units); 6905c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 691fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6925c56be9aSDirk Brandewie p->energy_gfx * rapl_energy_units); 6935c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 694fc04cc67SLen Brown outp += sprintf(outp, fmt8, 69540ee8e3bSAndrey Semin p->energy_dram * rapl_dram_energy_units); 6965c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 697fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 6985c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 699fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 700889facbeSLen Brown 701d7899447SLen Brown outp += sprintf(outp, fmt8, interval_float); 7025c56be9aSDirk Brandewie } 703c98d5d94SLen Brown done: 704c98d5d94SLen Brown outp += sprintf(outp, "\n"); 705c98d5d94SLen Brown 706c98d5d94SLen Brown return 0; 707103a8feaSLen Brown } 708103a8feaSLen Brown 709b7d8c148SLen Brown void flush_output_stdout(void) 710103a8feaSLen Brown { 711b7d8c148SLen Brown FILE *filep; 712b7d8c148SLen Brown 713b7d8c148SLen Brown if (outf == stderr) 714b7d8c148SLen Brown filep = stdout; 715b7d8c148SLen Brown else 716b7d8c148SLen Brown filep = outf; 717b7d8c148SLen Brown 718b7d8c148SLen Brown fputs(output_buffer, filep); 719b7d8c148SLen Brown fflush(filep); 720b7d8c148SLen Brown 721c98d5d94SLen Brown outp = output_buffer; 722c98d5d94SLen Brown } 723b7d8c148SLen Brown void flush_output_stderr(void) 724c98d5d94SLen Brown { 725b7d8c148SLen Brown fputs(output_buffer, outf); 726b7d8c148SLen Brown fflush(outf); 727c98d5d94SLen Brown outp = output_buffer; 728c98d5d94SLen Brown } 729c98d5d94SLen Brown void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 730c98d5d94SLen Brown { 731e23da037SLen Brown static int printed; 732103a8feaSLen Brown 733e23da037SLen Brown if (!printed || !summary_only) 734103a8feaSLen Brown print_header(); 735103a8feaSLen Brown 736c98d5d94SLen Brown if (topo.num_cpus > 1) 737c98d5d94SLen Brown format_counters(&average.threads, &average.cores, 738c98d5d94SLen Brown &average.packages); 739103a8feaSLen Brown 740e23da037SLen Brown printed = 1; 741e23da037SLen Brown 742e23da037SLen Brown if (summary_only) 743e23da037SLen Brown return; 744e23da037SLen Brown 745c98d5d94SLen Brown for_all_cpus(format_counters, t, c, p); 746103a8feaSLen Brown } 747103a8feaSLen Brown 748889facbeSLen Brown #define DELTA_WRAP32(new, old) \ 749889facbeSLen Brown if (new > old) { \ 750889facbeSLen Brown old = new - old; \ 751889facbeSLen Brown } else { \ 752889facbeSLen Brown old = 0x100000000 + new - old; \ 753889facbeSLen Brown } 754889facbeSLen Brown 755c98d5d94SLen Brown void 756c98d5d94SLen Brown delta_package(struct pkg_data *new, struct pkg_data *old) 757103a8feaSLen Brown { 7580b2bb692SLen Brown 7590b2bb692SLen Brown if (do_skl_residency) { 7600b2bb692SLen Brown old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0; 7610b2bb692SLen Brown old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0; 7620b2bb692SLen Brown old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0; 7630b2bb692SLen Brown old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0; 7640b2bb692SLen Brown } 765c98d5d94SLen Brown old->pc2 = new->pc2 - old->pc2; 766ee7e38e3SLen Brown if (do_pc3) 767c98d5d94SLen Brown old->pc3 = new->pc3 - old->pc3; 768ee7e38e3SLen Brown if (do_pc6) 769c98d5d94SLen Brown old->pc6 = new->pc6 - old->pc6; 770ee7e38e3SLen Brown if (do_pc7) 771c98d5d94SLen Brown old->pc7 = new->pc7 - old->pc7; 772ca58710fSKristen Carlson Accardi old->pc8 = new->pc8 - old->pc8; 773ca58710fSKristen Carlson Accardi old->pc9 = new->pc9 - old->pc9; 774ca58710fSKristen Carlson Accardi old->pc10 = new->pc10 - old->pc10; 775889facbeSLen Brown old->pkg_temp_c = new->pkg_temp_c; 776889facbeSLen Brown 7779185e988SLen Brown /* flag an error when rc6 counter resets/wraps */ 7789185e988SLen Brown if (old->gfx_rc6_ms > new->gfx_rc6_ms) 7799185e988SLen Brown old->gfx_rc6_ms = -1; 7809185e988SLen Brown else 781fdf676e5SLen Brown old->gfx_rc6_ms = new->gfx_rc6_ms - old->gfx_rc6_ms; 7829185e988SLen Brown 78327d47356SLen Brown old->gfx_mhz = new->gfx_mhz; 78427d47356SLen Brown 785889facbeSLen Brown DELTA_WRAP32(new->energy_pkg, old->energy_pkg); 786889facbeSLen Brown DELTA_WRAP32(new->energy_cores, old->energy_cores); 787889facbeSLen Brown DELTA_WRAP32(new->energy_gfx, old->energy_gfx); 788889facbeSLen Brown DELTA_WRAP32(new->energy_dram, old->energy_dram); 789889facbeSLen Brown DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status); 790889facbeSLen Brown DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status); 791103a8feaSLen Brown } 792103a8feaSLen Brown 793c98d5d94SLen Brown void 794c98d5d94SLen Brown delta_core(struct core_data *new, struct core_data *old) 795c98d5d94SLen Brown { 796c98d5d94SLen Brown old->c3 = new->c3 - old->c3; 797c98d5d94SLen Brown old->c6 = new->c6 - old->c6; 798c98d5d94SLen Brown old->c7 = new->c7 - old->c7; 799889facbeSLen Brown old->core_temp_c = new->core_temp_c; 800103a8feaSLen Brown } 801c98d5d94SLen Brown 802c3ae331dSLen Brown /* 803c3ae331dSLen Brown * old = new - old 804c3ae331dSLen Brown */ 805c98d5d94SLen Brown void 806c98d5d94SLen Brown delta_thread(struct thread_data *new, struct thread_data *old, 807c98d5d94SLen Brown struct core_data *core_delta) 808c98d5d94SLen Brown { 809c98d5d94SLen Brown old->tsc = new->tsc - old->tsc; 810c98d5d94SLen Brown 811103a8feaSLen Brown /* check for TSC < 1 Mcycles over interval */ 812b2c95d90SJosh Triplett if (old->tsc < (1000 * 1000)) 813b2c95d90SJosh Triplett errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n" 814b2c95d90SJosh Triplett "You can disable all c-states by booting with \"idle=poll\"\n" 815b2c95d90SJosh Triplett "or just the deep ones with \"processor.max_cstate=1\""); 816103a8feaSLen Brown 817c98d5d94SLen Brown old->c1 = new->c1 - old->c1; 818c98d5d94SLen Brown 819a729617cSLen Brown if (has_aperf) { 820c98d5d94SLen Brown if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) { 821c98d5d94SLen Brown old->aperf = new->aperf - old->aperf; 822c98d5d94SLen Brown old->mperf = new->mperf - old->mperf; 823c98d5d94SLen Brown } else { 824c98d5d94SLen Brown 825103a8feaSLen Brown if (!aperf_mperf_unstable) { 826b7d8c148SLen Brown fprintf(outf, "%s: APERF or MPERF went backwards *\n", progname); 827b7d8c148SLen Brown fprintf(outf, "* Frequency results do not cover entire interval *\n"); 828b7d8c148SLen Brown fprintf(outf, "* fix this by running Linux-2.6.30 or later *\n"); 829103a8feaSLen Brown 830103a8feaSLen Brown aperf_mperf_unstable = 1; 831103a8feaSLen Brown } 832103a8feaSLen Brown /* 833103a8feaSLen Brown * mperf delta is likely a huge "positive" number 834103a8feaSLen Brown * can not use it for calculating c0 time 835103a8feaSLen Brown */ 836103a8feaSLen Brown skip_c0 = 1; 837103a8feaSLen Brown skip_c1 = 1; 838103a8feaSLen Brown } 839a729617cSLen Brown } 840103a8feaSLen Brown 841c98d5d94SLen Brown 842144b44b1SLen Brown if (use_c1_residency_msr) { 843144b44b1SLen Brown /* 844144b44b1SLen Brown * Some models have a dedicated C1 residency MSR, 845144b44b1SLen Brown * which should be more accurate than the derivation below. 846144b44b1SLen Brown */ 847144b44b1SLen Brown } else { 848103a8feaSLen Brown /* 849c3ae331dSLen Brown * As counter collection is not atomic, 850c3ae331dSLen Brown * it is possible for mperf's non-halted cycles + idle states 851103a8feaSLen Brown * to exceed TSC's all cycles: show c1 = 0% in that case. 852103a8feaSLen Brown */ 853c3ae331dSLen Brown if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc) 854c98d5d94SLen Brown old->c1 = 0; 855c98d5d94SLen Brown else { 856c98d5d94SLen Brown /* normal case, derive c1 */ 857c98d5d94SLen Brown old->c1 = old->tsc - old->mperf - core_delta->c3 858c98d5d94SLen Brown - core_delta->c6 - core_delta->c7; 859c98d5d94SLen Brown } 860144b44b1SLen Brown } 861c3ae331dSLen Brown 862c98d5d94SLen Brown if (old->mperf == 0) { 863b7d8c148SLen Brown if (debug > 1) 864b7d8c148SLen Brown fprintf(outf, "cpu%d MPERF 0!\n", old->cpu_id); 865c98d5d94SLen Brown old->mperf = 1; /* divide by 0 protection */ 866c98d5d94SLen Brown } 867103a8feaSLen Brown 8688e180f3cSLen Brown old->extra_delta32 = new->extra_delta32 - old->extra_delta32; 8698e180f3cSLen Brown old->extra_delta32 &= 0xFFFFFFFF; 8708e180f3cSLen Brown 8718e180f3cSLen Brown old->extra_delta64 = new->extra_delta64 - old->extra_delta64; 8728e180f3cSLen Brown 873103a8feaSLen Brown /* 8748e180f3cSLen Brown * Extra MSR is just a snapshot, simply copy latest w/o subtracting 875103a8feaSLen Brown */ 8762f32edf1SLen Brown old->extra_msr32 = new->extra_msr32; 8772f32edf1SLen Brown old->extra_msr64 = new->extra_msr64; 8781ed51011SLen Brown 879562a2d37SLen Brown if (do_irq) 880562a2d37SLen Brown old->irq_count = new->irq_count - old->irq_count; 881562a2d37SLen Brown 8821ed51011SLen Brown if (do_smi) 8831ed51011SLen Brown old->smi_count = new->smi_count - old->smi_count; 884103a8feaSLen Brown } 885c98d5d94SLen Brown 886c98d5d94SLen Brown int delta_cpu(struct thread_data *t, struct core_data *c, 887c98d5d94SLen Brown struct pkg_data *p, struct thread_data *t2, 888c98d5d94SLen Brown struct core_data *c2, struct pkg_data *p2) 889c98d5d94SLen Brown { 890c98d5d94SLen Brown /* calculate core delta only for 1st thread in core */ 891c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE) 892c98d5d94SLen Brown delta_core(c, c2); 893c98d5d94SLen Brown 894c98d5d94SLen Brown /* always calculate thread delta */ 895c98d5d94SLen Brown delta_thread(t, t2, c2); /* c2 is core delta */ 896c98d5d94SLen Brown 897c98d5d94SLen Brown /* calculate package delta only for 1st core in package */ 898c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE) 899c98d5d94SLen Brown delta_package(p, p2); 900c98d5d94SLen Brown 901103a8feaSLen Brown return 0; 902103a8feaSLen Brown } 903103a8feaSLen Brown 904c98d5d94SLen Brown void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 905103a8feaSLen Brown { 906c98d5d94SLen Brown t->tsc = 0; 907c98d5d94SLen Brown t->aperf = 0; 908c98d5d94SLen Brown t->mperf = 0; 909c98d5d94SLen Brown t->c1 = 0; 910103a8feaSLen Brown 9118e180f3cSLen Brown t->extra_delta32 = 0; 9128e180f3cSLen Brown t->extra_delta64 = 0; 9138e180f3cSLen Brown 914562a2d37SLen Brown t->irq_count = 0; 915562a2d37SLen Brown t->smi_count = 0; 916562a2d37SLen Brown 917c98d5d94SLen Brown /* tells format_counters to dump all fields from this set */ 918c98d5d94SLen Brown t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE; 919c98d5d94SLen Brown 920c98d5d94SLen Brown c->c3 = 0; 921c98d5d94SLen Brown c->c6 = 0; 922c98d5d94SLen Brown c->c7 = 0; 923889facbeSLen Brown c->core_temp_c = 0; 924c98d5d94SLen Brown 9250b2bb692SLen Brown p->pkg_wtd_core_c0 = 0; 9260b2bb692SLen Brown p->pkg_any_core_c0 = 0; 9270b2bb692SLen Brown p->pkg_any_gfxe_c0 = 0; 9280b2bb692SLen Brown p->pkg_both_core_gfxe_c0 = 0; 9290b2bb692SLen Brown 930c98d5d94SLen Brown p->pc2 = 0; 931ee7e38e3SLen Brown if (do_pc3) 932c98d5d94SLen Brown p->pc3 = 0; 933ee7e38e3SLen Brown if (do_pc6) 934c98d5d94SLen Brown p->pc6 = 0; 935ee7e38e3SLen Brown if (do_pc7) 936c98d5d94SLen Brown p->pc7 = 0; 937ca58710fSKristen Carlson Accardi p->pc8 = 0; 938ca58710fSKristen Carlson Accardi p->pc9 = 0; 939ca58710fSKristen Carlson Accardi p->pc10 = 0; 940889facbeSLen Brown 941889facbeSLen Brown p->energy_pkg = 0; 942889facbeSLen Brown p->energy_dram = 0; 943889facbeSLen Brown p->energy_cores = 0; 944889facbeSLen Brown p->energy_gfx = 0; 945889facbeSLen Brown p->rapl_pkg_perf_status = 0; 946889facbeSLen Brown p->rapl_dram_perf_status = 0; 947889facbeSLen Brown p->pkg_temp_c = 0; 94827d47356SLen Brown 949fdf676e5SLen Brown p->gfx_rc6_ms = 0; 95027d47356SLen Brown p->gfx_mhz = 0; 951103a8feaSLen Brown } 952c98d5d94SLen Brown int sum_counters(struct thread_data *t, struct core_data *c, 953c98d5d94SLen Brown struct pkg_data *p) 954103a8feaSLen Brown { 955c98d5d94SLen Brown average.threads.tsc += t->tsc; 956c98d5d94SLen Brown average.threads.aperf += t->aperf; 957c98d5d94SLen Brown average.threads.mperf += t->mperf; 958c98d5d94SLen Brown average.threads.c1 += t->c1; 95915aaa346SLen Brown 9608e180f3cSLen Brown average.threads.extra_delta32 += t->extra_delta32; 9618e180f3cSLen Brown average.threads.extra_delta64 += t->extra_delta64; 9628e180f3cSLen Brown 963562a2d37SLen Brown average.threads.irq_count += t->irq_count; 964562a2d37SLen Brown average.threads.smi_count += t->smi_count; 965562a2d37SLen Brown 966c98d5d94SLen Brown /* sum per-core values only for 1st thread in core */ 967c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 968c98d5d94SLen Brown return 0; 969c98d5d94SLen Brown 970c98d5d94SLen Brown average.cores.c3 += c->c3; 971c98d5d94SLen Brown average.cores.c6 += c->c6; 972c98d5d94SLen Brown average.cores.c7 += c->c7; 973c98d5d94SLen Brown 974889facbeSLen Brown average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c); 975889facbeSLen Brown 976c98d5d94SLen Brown /* sum per-pkg values only for 1st core in pkg */ 977c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 978c98d5d94SLen Brown return 0; 979c98d5d94SLen Brown 9800b2bb692SLen Brown if (do_skl_residency) { 9810b2bb692SLen Brown average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0; 9820b2bb692SLen Brown average.packages.pkg_any_core_c0 += p->pkg_any_core_c0; 9830b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0; 9840b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0; 9850b2bb692SLen Brown } 9860b2bb692SLen Brown 987c98d5d94SLen Brown average.packages.pc2 += p->pc2; 988ee7e38e3SLen Brown if (do_pc3) 989c98d5d94SLen Brown average.packages.pc3 += p->pc3; 990ee7e38e3SLen Brown if (do_pc6) 991c98d5d94SLen Brown average.packages.pc6 += p->pc6; 992ee7e38e3SLen Brown if (do_pc7) 993c98d5d94SLen Brown average.packages.pc7 += p->pc7; 994ca58710fSKristen Carlson Accardi average.packages.pc8 += p->pc8; 995ca58710fSKristen Carlson Accardi average.packages.pc9 += p->pc9; 996ca58710fSKristen Carlson Accardi average.packages.pc10 += p->pc10; 997c98d5d94SLen Brown 998889facbeSLen Brown average.packages.energy_pkg += p->energy_pkg; 999889facbeSLen Brown average.packages.energy_dram += p->energy_dram; 1000889facbeSLen Brown average.packages.energy_cores += p->energy_cores; 1001889facbeSLen Brown average.packages.energy_gfx += p->energy_gfx; 1002889facbeSLen Brown 1003fdf676e5SLen Brown average.packages.gfx_rc6_ms = p->gfx_rc6_ms; 100427d47356SLen Brown average.packages.gfx_mhz = p->gfx_mhz; 100527d47356SLen Brown 1006889facbeSLen Brown average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c); 1007889facbeSLen Brown 1008889facbeSLen Brown average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status; 1009889facbeSLen Brown average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status; 1010c98d5d94SLen Brown return 0; 1011c98d5d94SLen Brown } 1012c98d5d94SLen Brown /* 1013c98d5d94SLen Brown * sum the counters for all cpus in the system 1014c98d5d94SLen Brown * compute the weighted average 1015c98d5d94SLen Brown */ 1016c98d5d94SLen Brown void compute_average(struct thread_data *t, struct core_data *c, 1017c98d5d94SLen Brown struct pkg_data *p) 1018c98d5d94SLen Brown { 1019c98d5d94SLen Brown clear_counters(&average.threads, &average.cores, &average.packages); 1020c98d5d94SLen Brown 1021c98d5d94SLen Brown for_all_cpus(sum_counters, t, c, p); 1022c98d5d94SLen Brown 1023c98d5d94SLen Brown average.threads.tsc /= topo.num_cpus; 1024c98d5d94SLen Brown average.threads.aperf /= topo.num_cpus; 1025c98d5d94SLen Brown average.threads.mperf /= topo.num_cpus; 1026c98d5d94SLen Brown average.threads.c1 /= topo.num_cpus; 1027c98d5d94SLen Brown 10288e180f3cSLen Brown average.threads.extra_delta32 /= topo.num_cpus; 10298e180f3cSLen Brown average.threads.extra_delta32 &= 0xFFFFFFFF; 10308e180f3cSLen Brown 10318e180f3cSLen Brown average.threads.extra_delta64 /= topo.num_cpus; 10328e180f3cSLen Brown 1033c98d5d94SLen Brown average.cores.c3 /= topo.num_cores; 1034c98d5d94SLen Brown average.cores.c6 /= topo.num_cores; 1035c98d5d94SLen Brown average.cores.c7 /= topo.num_cores; 1036c98d5d94SLen Brown 10370b2bb692SLen Brown if (do_skl_residency) { 10380b2bb692SLen Brown average.packages.pkg_wtd_core_c0 /= topo.num_packages; 10390b2bb692SLen Brown average.packages.pkg_any_core_c0 /= topo.num_packages; 10400b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 /= topo.num_packages; 10410b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 /= topo.num_packages; 10420b2bb692SLen Brown } 10430b2bb692SLen Brown 1044c98d5d94SLen Brown average.packages.pc2 /= topo.num_packages; 1045ee7e38e3SLen Brown if (do_pc3) 1046c98d5d94SLen Brown average.packages.pc3 /= topo.num_packages; 1047ee7e38e3SLen Brown if (do_pc6) 1048c98d5d94SLen Brown average.packages.pc6 /= topo.num_packages; 1049ee7e38e3SLen Brown if (do_pc7) 1050c98d5d94SLen Brown average.packages.pc7 /= topo.num_packages; 1051ca58710fSKristen Carlson Accardi 1052ca58710fSKristen Carlson Accardi average.packages.pc8 /= topo.num_packages; 1053ca58710fSKristen Carlson Accardi average.packages.pc9 /= topo.num_packages; 1054ca58710fSKristen Carlson Accardi average.packages.pc10 /= topo.num_packages; 1055c98d5d94SLen Brown } 1056c98d5d94SLen Brown 1057c98d5d94SLen Brown static unsigned long long rdtsc(void) 1058c98d5d94SLen Brown { 1059c98d5d94SLen Brown unsigned int low, high; 1060c98d5d94SLen Brown 1061c98d5d94SLen Brown asm volatile("rdtsc" : "=a" (low), "=d" (high)); 1062c98d5d94SLen Brown 1063c98d5d94SLen Brown return low | ((unsigned long long)high) << 32; 1064c98d5d94SLen Brown } 1065c98d5d94SLen Brown 1066c98d5d94SLen Brown /* 1067c98d5d94SLen Brown * get_counters(...) 1068c98d5d94SLen Brown * migrate to cpu 1069c98d5d94SLen Brown * acquire and record local counters for that cpu 1070c98d5d94SLen Brown */ 1071c98d5d94SLen Brown int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1072c98d5d94SLen Brown { 1073c98d5d94SLen Brown int cpu = t->cpu_id; 1074889facbeSLen Brown unsigned long long msr; 10750102b067SLen Brown int aperf_mperf_retry_count = 0; 1076c98d5d94SLen Brown 1077e52966c0SLen Brown if (cpu_migrate(cpu)) { 1078b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 107915aaa346SLen Brown return -1; 1080e52966c0SLen Brown } 108115aaa346SLen Brown 10820102b067SLen Brown retry: 1083c98d5d94SLen Brown t->tsc = rdtsc(); /* we are running on local CPU of interest */ 108415aaa346SLen Brown 108515aaa346SLen Brown if (has_aperf) { 10860102b067SLen Brown unsigned long long tsc_before, tsc_between, tsc_after, aperf_time, mperf_time; 10870102b067SLen Brown 10880102b067SLen Brown /* 10890102b067SLen Brown * The TSC, APERF and MPERF must be read together for 10900102b067SLen Brown * APERF/MPERF and MPERF/TSC to give accurate results. 10910102b067SLen Brown * 10920102b067SLen Brown * Unfortunately, APERF and MPERF are read by 10930102b067SLen Brown * individual system call, so delays may occur 10940102b067SLen Brown * between them. If the time to read them 10950102b067SLen Brown * varies by a large amount, we re-read them. 10960102b067SLen Brown */ 10970102b067SLen Brown 10980102b067SLen Brown /* 10990102b067SLen Brown * This initial dummy APERF read has been seen to 11000102b067SLen Brown * reduce jitter in the subsequent reads. 11010102b067SLen Brown */ 11020102b067SLen Brown 11039c63a650SLen Brown if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 1104c98d5d94SLen Brown return -3; 11050102b067SLen Brown 11060102b067SLen Brown t->tsc = rdtsc(); /* re-read close to APERF */ 11070102b067SLen Brown 11080102b067SLen Brown tsc_before = t->tsc; 11090102b067SLen Brown 11100102b067SLen Brown if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 11110102b067SLen Brown return -3; 11120102b067SLen Brown 11130102b067SLen Brown tsc_between = rdtsc(); 11140102b067SLen Brown 11159c63a650SLen Brown if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf)) 1116c98d5d94SLen Brown return -4; 11170102b067SLen Brown 11180102b067SLen Brown tsc_after = rdtsc(); 11190102b067SLen Brown 11200102b067SLen Brown aperf_time = tsc_between - tsc_before; 11210102b067SLen Brown mperf_time = tsc_after - tsc_between; 11220102b067SLen Brown 11230102b067SLen Brown /* 11240102b067SLen Brown * If the system call latency to read APERF and MPERF 11250102b067SLen Brown * differ by more than 2x, then try again. 11260102b067SLen Brown */ 11270102b067SLen Brown if ((aperf_time > (2 * mperf_time)) || (mperf_time > (2 * aperf_time))) { 11280102b067SLen Brown aperf_mperf_retry_count++; 11290102b067SLen Brown if (aperf_mperf_retry_count < 5) 11300102b067SLen Brown goto retry; 11310102b067SLen Brown else 11320102b067SLen Brown warnx("cpu%d jitter %lld %lld", 11330102b067SLen Brown cpu, aperf_time, mperf_time); 11340102b067SLen Brown } 11350102b067SLen Brown aperf_mperf_retry_count = 0; 11360102b067SLen Brown 1137b2b34dfeSHubert Chrzaniuk t->aperf = t->aperf * aperf_mperf_multiplier; 1138b2b34dfeSHubert Chrzaniuk t->mperf = t->mperf * aperf_mperf_multiplier; 113988c3281fSLen Brown } 114088c3281fSLen Brown 1141562a2d37SLen Brown if (do_irq) 1142562a2d37SLen Brown t->irq_count = irqs_per_cpu[cpu]; 11431ed51011SLen Brown if (do_smi) { 11441ed51011SLen Brown if (get_msr(cpu, MSR_SMI_COUNT, &msr)) 11451ed51011SLen Brown return -5; 11461ed51011SLen Brown t->smi_count = msr & 0xFFFFFFFF; 11471ed51011SLen Brown } 11488e180f3cSLen Brown if (extra_delta_offset32) { 1149889facbeSLen Brown if (get_msr(cpu, extra_delta_offset32, &msr)) 11502f32edf1SLen Brown return -5; 1151889facbeSLen Brown t->extra_delta32 = msr & 0xFFFFFFFF; 11528e180f3cSLen Brown } 11538e180f3cSLen Brown 11548e180f3cSLen Brown if (extra_delta_offset64) 11558e180f3cSLen Brown if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64)) 11568e180f3cSLen Brown return -5; 11578e180f3cSLen Brown 11588e180f3cSLen Brown if (extra_msr_offset32) { 1159889facbeSLen Brown if (get_msr(cpu, extra_msr_offset32, &msr)) 11608e180f3cSLen Brown return -5; 1161889facbeSLen Brown t->extra_msr32 = msr & 0xFFFFFFFF; 11628e180f3cSLen Brown } 11632f32edf1SLen Brown 11642f32edf1SLen Brown if (extra_msr_offset64) 11652f32edf1SLen Brown if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64)) 1166c98d5d94SLen Brown return -5; 1167c98d5d94SLen Brown 1168144b44b1SLen Brown if (use_c1_residency_msr) { 1169144b44b1SLen Brown if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1)) 1170144b44b1SLen Brown return -6; 1171144b44b1SLen Brown } 1172144b44b1SLen Brown 1173c98d5d94SLen Brown /* collect core counters only for 1st thread in core */ 1174c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 1175c98d5d94SLen Brown return 0; 1176c98d5d94SLen Brown 1177fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) { 1178c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3)) 1179c98d5d94SLen Brown return -6; 1180144b44b1SLen Brown } 1181144b44b1SLen Brown 1182fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_knl_cstates) { 1183c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6)) 1184c98d5d94SLen Brown return -7; 1185fb5d4327SDasaratharaman Chandramouli } else if (do_knl_cstates) { 1186fb5d4327SDasaratharaman Chandramouli if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6)) 1187fb5d4327SDasaratharaman Chandramouli return -7; 1188103a8feaSLen Brown } 118915aaa346SLen Brown 119015aaa346SLen Brown if (do_snb_cstates) 1191c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7)) 1192c98d5d94SLen Brown return -8; 1193c98d5d94SLen Brown 1194889facbeSLen Brown if (do_dts) { 1195889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 1196889facbeSLen Brown return -9; 1197889facbeSLen Brown c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1198889facbeSLen Brown } 1199889facbeSLen Brown 1200889facbeSLen Brown 1201c98d5d94SLen Brown /* collect package counters only for 1st core in package */ 1202c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1203c98d5d94SLen Brown return 0; 120415aaa346SLen Brown 12050b2bb692SLen Brown if (do_skl_residency) { 12060b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0)) 12070b2bb692SLen Brown return -10; 12080b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0)) 12090b2bb692SLen Brown return -11; 12100b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0)) 12110b2bb692SLen Brown return -12; 12120b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0)) 12130b2bb692SLen Brown return -13; 12140b2bb692SLen Brown } 1215ee7e38e3SLen Brown if (do_pc3) 1216c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3)) 1217c98d5d94SLen Brown return -9; 1218ee7e38e3SLen Brown if (do_pc6) 1219c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6)) 1220c98d5d94SLen Brown return -10; 1221ee7e38e3SLen Brown if (do_pc2) 1222c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2)) 1223c98d5d94SLen Brown return -11; 1224ee7e38e3SLen Brown if (do_pc7) 1225c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7)) 1226c98d5d94SLen Brown return -12; 1227ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 1228ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8)) 1229ca58710fSKristen Carlson Accardi return -13; 1230ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9)) 1231ca58710fSKristen Carlson Accardi return -13; 1232ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10)) 1233ca58710fSKristen Carlson Accardi return -13; 1234ca58710fSKristen Carlson Accardi } 1235889facbeSLen Brown if (do_rapl & RAPL_PKG) { 1236889facbeSLen Brown if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr)) 1237889facbeSLen Brown return -13; 1238889facbeSLen Brown p->energy_pkg = msr & 0xFFFFFFFF; 1239889facbeSLen Brown } 1240889facbeSLen Brown if (do_rapl & RAPL_CORES) { 1241889facbeSLen Brown if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr)) 1242889facbeSLen Brown return -14; 1243889facbeSLen Brown p->energy_cores = msr & 0xFFFFFFFF; 1244889facbeSLen Brown } 1245889facbeSLen Brown if (do_rapl & RAPL_DRAM) { 1246889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr)) 1247889facbeSLen Brown return -15; 1248889facbeSLen Brown p->energy_dram = msr & 0xFFFFFFFF; 1249889facbeSLen Brown } 1250889facbeSLen Brown if (do_rapl & RAPL_GFX) { 1251889facbeSLen Brown if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr)) 1252889facbeSLen Brown return -16; 1253889facbeSLen Brown p->energy_gfx = msr & 0xFFFFFFFF; 1254889facbeSLen Brown } 1255889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) { 1256889facbeSLen Brown if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr)) 1257889facbeSLen Brown return -16; 1258889facbeSLen Brown p->rapl_pkg_perf_status = msr & 0xFFFFFFFF; 1259889facbeSLen Brown } 1260889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) { 1261889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr)) 1262889facbeSLen Brown return -16; 1263889facbeSLen Brown p->rapl_dram_perf_status = msr & 0xFFFFFFFF; 1264889facbeSLen Brown } 1265889facbeSLen Brown if (do_ptm) { 1266889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 1267889facbeSLen Brown return -17; 1268889facbeSLen Brown p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1269889facbeSLen Brown } 1270fdf676e5SLen Brown 1271fdf676e5SLen Brown if (do_gfx_rc6_ms) 1272fdf676e5SLen Brown p->gfx_rc6_ms = gfx_cur_rc6_ms; 1273fdf676e5SLen Brown 127427d47356SLen Brown if (do_gfx_mhz) 127527d47356SLen Brown p->gfx_mhz = gfx_cur_mhz; 127627d47356SLen Brown 127715aaa346SLen Brown return 0; 1278103a8feaSLen Brown } 1279103a8feaSLen Brown 1280ee7e38e3SLen Brown /* 1281ee7e38e3SLen Brown * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit: 1282ee7e38e3SLen Brown * If you change the values, note they are used both in comparisons 1283ee7e38e3SLen Brown * (>= PCL__7) and to index pkg_cstate_limit_strings[]. 1284ee7e38e3SLen Brown */ 1285ee7e38e3SLen Brown 1286ee7e38e3SLen Brown #define PCLUKN 0 /* Unknown */ 1287ee7e38e3SLen Brown #define PCLRSV 1 /* Reserved */ 1288ee7e38e3SLen Brown #define PCL__0 2 /* PC0 */ 1289ee7e38e3SLen Brown #define PCL__1 3 /* PC1 */ 1290ee7e38e3SLen Brown #define PCL__2 4 /* PC2 */ 1291ee7e38e3SLen Brown #define PCL__3 5 /* PC3 */ 1292ee7e38e3SLen Brown #define PCL__4 6 /* PC4 */ 1293ee7e38e3SLen Brown #define PCL__6 7 /* PC6 */ 1294ee7e38e3SLen Brown #define PCL_6N 8 /* PC6 No Retention */ 1295ee7e38e3SLen Brown #define PCL_6R 9 /* PC6 Retention */ 1296ee7e38e3SLen Brown #define PCL__7 10 /* PC7 */ 1297ee7e38e3SLen Brown #define PCL_7S 11 /* PC7 Shrink */ 12980b2bb692SLen Brown #define PCL__8 12 /* PC8 */ 12990b2bb692SLen Brown #define PCL__9 13 /* PC9 */ 13000b2bb692SLen Brown #define PCLUNL 14 /* Unlimited */ 1301ee7e38e3SLen Brown 1302ee7e38e3SLen Brown int pkg_cstate_limit = PCLUKN; 1303ee7e38e3SLen Brown char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2", 13040b2bb692SLen Brown "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"}; 1305ee7e38e3SLen Brown 1306e9257f5fSLen 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}; 1307e9257f5fSLen 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}; 1308e9257f5fSLen 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}; 1309e9257f5fSLen 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}; 1310e9257f5fSLen 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}; 1311e9257f5fSLen 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}; 1312e4085d54SLen Brown int bxt_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1313ee7e38e3SLen Brown 1314a2b7b749SLen Brown 1315a2b7b749SLen Brown static void 1316a2b7b749SLen Brown calculate_tsc_tweak() 1317a2b7b749SLen Brown { 1318a2b7b749SLen Brown tsc_tweak = base_hz / tsc_hz; 1319a2b7b749SLen Brown } 1320a2b7b749SLen Brown 1321fcd17211SLen Brown static void 1322fcd17211SLen Brown dump_nhm_platform_info(void) 1323103a8feaSLen Brown { 1324103a8feaSLen Brown unsigned long long msr; 1325103a8feaSLen Brown unsigned int ratio; 1326103a8feaSLen Brown 1327ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 1328103a8feaSLen Brown 1329b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr); 13306574a5d5SLen Brown 1331103a8feaSLen Brown ratio = (msr >> 40) & 0xFF; 1332b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max efficiency frequency\n", 1333103a8feaSLen Brown ratio, bclk, ratio * bclk); 1334103a8feaSLen Brown 1335103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1336b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz base frequency\n", 1337103a8feaSLen Brown ratio, bclk, ratio * bclk); 1338103a8feaSLen Brown 13397ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr); 1340b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n", 1341bfae2052SLen Brown base_cpu, msr, msr & 0x2 ? "EN" : "DIS"); 134267920418SLen Brown 1343fcd17211SLen Brown return; 1344fcd17211SLen Brown } 1345fcd17211SLen Brown 1346fcd17211SLen Brown static void 1347fcd17211SLen Brown dump_hsw_turbo_ratio_limits(void) 1348fcd17211SLen Brown { 1349fcd17211SLen Brown unsigned long long msr; 1350fcd17211SLen Brown unsigned int ratio; 1351fcd17211SLen Brown 13527ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr); 1353fcd17211SLen Brown 1354b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr); 1355fcd17211SLen Brown 1356fcd17211SLen Brown ratio = (msr >> 8) & 0xFF; 1357fcd17211SLen Brown if (ratio) 1358b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 18 active cores\n", 1359fcd17211SLen Brown ratio, bclk, ratio * bclk); 1360fcd17211SLen Brown 1361fcd17211SLen Brown ratio = (msr >> 0) & 0xFF; 1362fcd17211SLen Brown if (ratio) 1363b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 17 active cores\n", 1364fcd17211SLen Brown ratio, bclk, ratio * bclk); 1365fcd17211SLen Brown return; 1366fcd17211SLen Brown } 1367fcd17211SLen Brown 1368fcd17211SLen Brown static void 1369fcd17211SLen Brown dump_ivt_turbo_ratio_limits(void) 1370fcd17211SLen Brown { 1371fcd17211SLen Brown unsigned long long msr; 1372fcd17211SLen Brown unsigned int ratio; 13736574a5d5SLen Brown 13747ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr); 13756574a5d5SLen Brown 1376b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr); 13776574a5d5SLen Brown 13786574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 13796574a5d5SLen Brown if (ratio) 1380b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 16 active cores\n", 13816574a5d5SLen Brown ratio, bclk, ratio * bclk); 13826574a5d5SLen Brown 13836574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 13846574a5d5SLen Brown if (ratio) 1385b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 15 active cores\n", 13866574a5d5SLen Brown ratio, bclk, ratio * bclk); 13876574a5d5SLen Brown 13886574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 13896574a5d5SLen Brown if (ratio) 1390b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 14 active cores\n", 13916574a5d5SLen Brown ratio, bclk, ratio * bclk); 13926574a5d5SLen Brown 13936574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 13946574a5d5SLen Brown if (ratio) 1395b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 13 active cores\n", 13966574a5d5SLen Brown ratio, bclk, ratio * bclk); 13976574a5d5SLen Brown 13986574a5d5SLen Brown ratio = (msr >> 24) & 0xFF; 13996574a5d5SLen Brown if (ratio) 1400b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 12 active cores\n", 14016574a5d5SLen Brown ratio, bclk, ratio * bclk); 14026574a5d5SLen Brown 14036574a5d5SLen Brown ratio = (msr >> 16) & 0xFF; 14046574a5d5SLen Brown if (ratio) 1405b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 11 active cores\n", 14066574a5d5SLen Brown ratio, bclk, ratio * bclk); 14076574a5d5SLen Brown 14086574a5d5SLen Brown ratio = (msr >> 8) & 0xFF; 14096574a5d5SLen Brown if (ratio) 1410b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 10 active cores\n", 14116574a5d5SLen Brown ratio, bclk, ratio * bclk); 14126574a5d5SLen Brown 14136574a5d5SLen Brown ratio = (msr >> 0) & 0xFF; 14146574a5d5SLen Brown if (ratio) 1415b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 9 active cores\n", 14166574a5d5SLen Brown ratio, bclk, ratio * bclk); 1417103a8feaSLen Brown return; 1418fcd17211SLen Brown } 1419fcd17211SLen Brown 1420fcd17211SLen Brown static void 1421fcd17211SLen Brown dump_nhm_turbo_ratio_limits(void) 1422fcd17211SLen Brown { 1423fcd17211SLen Brown unsigned long long msr; 1424fcd17211SLen Brown unsigned int ratio; 1425103a8feaSLen Brown 14267ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); 1427103a8feaSLen Brown 1428b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr); 14296574a5d5SLen Brown 14306574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 14316574a5d5SLen Brown if (ratio) 1432b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 8 active cores\n", 14336574a5d5SLen Brown ratio, bclk, ratio * bclk); 14346574a5d5SLen Brown 14356574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 14366574a5d5SLen Brown if (ratio) 1437b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 7 active cores\n", 14386574a5d5SLen Brown ratio, bclk, ratio * bclk); 14396574a5d5SLen Brown 14406574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 14416574a5d5SLen Brown if (ratio) 1442b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 6 active cores\n", 14436574a5d5SLen Brown ratio, bclk, ratio * bclk); 14446574a5d5SLen Brown 14456574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 14466574a5d5SLen Brown if (ratio) 1447b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 5 active cores\n", 14486574a5d5SLen Brown ratio, bclk, ratio * bclk); 14496574a5d5SLen Brown 1450103a8feaSLen Brown ratio = (msr >> 24) & 0xFF; 1451103a8feaSLen Brown if (ratio) 1452b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 4 active cores\n", 1453103a8feaSLen Brown ratio, bclk, ratio * bclk); 1454103a8feaSLen Brown 1455103a8feaSLen Brown ratio = (msr >> 16) & 0xFF; 1456103a8feaSLen Brown if (ratio) 1457b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 3 active cores\n", 1458103a8feaSLen Brown ratio, bclk, ratio * bclk); 1459103a8feaSLen Brown 1460103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1461103a8feaSLen Brown if (ratio) 1462b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 2 active cores\n", 1463103a8feaSLen Brown ratio, bclk, ratio * bclk); 1464103a8feaSLen Brown 1465103a8feaSLen Brown ratio = (msr >> 0) & 0xFF; 1466103a8feaSLen Brown if (ratio) 1467b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 1 active cores\n", 1468103a8feaSLen Brown ratio, bclk, ratio * bclk); 1469fcd17211SLen Brown return; 1470fcd17211SLen Brown } 14713a9a941dSLen Brown 1472fcd17211SLen Brown static void 1473fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(void) 1474fb5d4327SDasaratharaman Chandramouli { 1475cbf97abaSHubert Chrzaniuk const unsigned int buckets_no = 7; 1476cbf97abaSHubert Chrzaniuk 1477fb5d4327SDasaratharaman Chandramouli unsigned long long msr; 1478cbf97abaSHubert Chrzaniuk int delta_cores, delta_ratio; 1479cbf97abaSHubert Chrzaniuk int i, b_nr; 1480cbf97abaSHubert Chrzaniuk unsigned int cores[buckets_no]; 1481cbf97abaSHubert Chrzaniuk unsigned int ratio[buckets_no]; 1482fb5d4327SDasaratharaman Chandramouli 1483*ebf5926aSSrinivas Pandruvada get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); 1484fb5d4327SDasaratharaman Chandramouli 1485b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", 1486bfae2052SLen Brown base_cpu, msr); 1487fb5d4327SDasaratharaman Chandramouli 1488fb5d4327SDasaratharaman Chandramouli /** 1489fb5d4327SDasaratharaman Chandramouli * Turbo encoding in KNL is as follows: 1490cbf97abaSHubert Chrzaniuk * [0] -- Reserved 1491cbf97abaSHubert Chrzaniuk * [7:1] -- Base value of number of active cores of bucket 1. 1492fb5d4327SDasaratharaman Chandramouli * [15:8] -- Base value of freq ratio of bucket 1. 1493fb5d4327SDasaratharaman Chandramouli * [20:16] -- +ve delta of number of active cores of bucket 2. 1494fb5d4327SDasaratharaman Chandramouli * i.e. active cores of bucket 2 = 1495fb5d4327SDasaratharaman Chandramouli * active cores of bucket 1 + delta 1496fb5d4327SDasaratharaman Chandramouli * [23:21] -- Negative delta of freq ratio of bucket 2. 1497fb5d4327SDasaratharaman Chandramouli * i.e. freq ratio of bucket 2 = 1498fb5d4327SDasaratharaman Chandramouli * freq ratio of bucket 1 - delta 1499fb5d4327SDasaratharaman Chandramouli * [28:24]-- +ve delta of number of active cores of bucket 3. 1500fb5d4327SDasaratharaman Chandramouli * [31:29]-- -ve delta of freq ratio of bucket 3. 1501fb5d4327SDasaratharaman Chandramouli * [36:32]-- +ve delta of number of active cores of bucket 4. 1502fb5d4327SDasaratharaman Chandramouli * [39:37]-- -ve delta of freq ratio of bucket 4. 1503fb5d4327SDasaratharaman Chandramouli * [44:40]-- +ve delta of number of active cores of bucket 5. 1504fb5d4327SDasaratharaman Chandramouli * [47:45]-- -ve delta of freq ratio of bucket 5. 1505fb5d4327SDasaratharaman Chandramouli * [52:48]-- +ve delta of number of active cores of bucket 6. 1506fb5d4327SDasaratharaman Chandramouli * [55:53]-- -ve delta of freq ratio of bucket 6. 1507fb5d4327SDasaratharaman Chandramouli * [60:56]-- +ve delta of number of active cores of bucket 7. 1508fb5d4327SDasaratharaman Chandramouli * [63:61]-- -ve delta of freq ratio of bucket 7. 1509fb5d4327SDasaratharaman Chandramouli */ 1510fb5d4327SDasaratharaman Chandramouli 1511cbf97abaSHubert Chrzaniuk b_nr = 0; 1512cbf97abaSHubert Chrzaniuk cores[b_nr] = (msr & 0xFF) >> 1; 1513cbf97abaSHubert Chrzaniuk ratio[b_nr] = (msr >> 8) & 0xFF; 1514cbf97abaSHubert Chrzaniuk 1515cbf97abaSHubert Chrzaniuk for (i = 16; i < 64; i += 8) { 1516fb5d4327SDasaratharaman Chandramouli delta_cores = (msr >> i) & 0x1F; 1517cbf97abaSHubert Chrzaniuk delta_ratio = (msr >> (i + 5)) & 0x7; 1518fb5d4327SDasaratharaman Chandramouli 1519cbf97abaSHubert Chrzaniuk cores[b_nr + 1] = cores[b_nr] + delta_cores; 1520cbf97abaSHubert Chrzaniuk ratio[b_nr + 1] = ratio[b_nr] - delta_ratio; 1521cbf97abaSHubert Chrzaniuk b_nr++; 1522fb5d4327SDasaratharaman Chandramouli } 1523cbf97abaSHubert Chrzaniuk 1524cbf97abaSHubert Chrzaniuk for (i = buckets_no - 1; i >= 0; i--) 1525cbf97abaSHubert Chrzaniuk if (i > 0 ? ratio[i] != ratio[i - 1] : 1) 1526b7d8c148SLen Brown fprintf(outf, 1527fb5d4327SDasaratharaman Chandramouli "%d * %.0f = %.0f MHz max turbo %d active cores\n", 1528cbf97abaSHubert Chrzaniuk ratio[i], bclk, ratio[i] * bclk, cores[i]); 1529fb5d4327SDasaratharaman Chandramouli } 1530fb5d4327SDasaratharaman Chandramouli 1531fb5d4327SDasaratharaman Chandramouli static void 1532fcd17211SLen Brown dump_nhm_cst_cfg(void) 1533fcd17211SLen Brown { 1534fcd17211SLen Brown unsigned long long msr; 1535fcd17211SLen Brown 15367ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1537fcd17211SLen Brown 1538fcd17211SLen Brown #define SNB_C1_AUTO_UNDEMOTE (1UL << 27) 1539fcd17211SLen Brown #define SNB_C3_AUTO_UNDEMOTE (1UL << 28) 1540fcd17211SLen Brown 1541b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", base_cpu, msr); 1542fcd17211SLen Brown 1543b7d8c148SLen Brown fprintf(outf, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n", 1544fcd17211SLen Brown (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "", 1545fcd17211SLen Brown (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "", 1546fcd17211SLen Brown (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "", 1547fcd17211SLen Brown (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "", 1548fcd17211SLen Brown (msr & (1 << 15)) ? "" : "UN", 15496c34f160SLen Brown (unsigned int)msr & 0xF, 1550fcd17211SLen Brown pkg_cstate_limit_strings[pkg_cstate_limit]); 1551fcd17211SLen Brown return; 1552103a8feaSLen Brown } 1553103a8feaSLen Brown 15546fb3143bSLen Brown static void 15556fb3143bSLen Brown dump_config_tdp(void) 15566fb3143bSLen Brown { 15576fb3143bSLen Brown unsigned long long msr; 15586fb3143bSLen Brown 15596fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr); 1560b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr); 1561685b535bSChen Yu fprintf(outf, " (base_ratio=%d)\n", (unsigned int)msr & 0xFF); 15626fb3143bSLen Brown 15636fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr); 1564b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr); 15656fb3143bSLen Brown if (msr) { 1566685b535bSChen Yu fprintf(outf, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0x7FFF); 1567685b535bSChen Yu fprintf(outf, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0x7FFF); 1568685b535bSChen Yu fprintf(outf, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF); 1569685b535bSChen Yu fprintf(outf, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0x7FFF); 15706fb3143bSLen Brown } 1571b7d8c148SLen Brown fprintf(outf, ")\n"); 15726fb3143bSLen Brown 15736fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr); 1574b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr); 15756fb3143bSLen Brown if (msr) { 1576685b535bSChen Yu fprintf(outf, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0x7FFF); 1577685b535bSChen Yu fprintf(outf, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0x7FFF); 1578685b535bSChen Yu fprintf(outf, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF); 1579685b535bSChen Yu fprintf(outf, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0x7FFF); 15806fb3143bSLen Brown } 1581b7d8c148SLen Brown fprintf(outf, ")\n"); 15826fb3143bSLen Brown 15836fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr); 1584b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr); 15856fb3143bSLen Brown if ((msr) & 0x3) 1586b7d8c148SLen Brown fprintf(outf, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3); 1587b7d8c148SLen Brown fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 1588b7d8c148SLen Brown fprintf(outf, ")\n"); 15896fb3143bSLen Brown 15906fb3143bSLen Brown get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr); 1591b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr); 1592685b535bSChen Yu fprintf(outf, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0xFF); 1593b7d8c148SLen Brown fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 1594b7d8c148SLen Brown fprintf(outf, ")\n"); 15956fb3143bSLen Brown } 15965a63426eSLen Brown 15975a63426eSLen Brown unsigned int irtl_time_units[] = {1, 32, 1024, 32768, 1048576, 33554432, 0, 0 }; 15985a63426eSLen Brown 15995a63426eSLen Brown void print_irtl(void) 16005a63426eSLen Brown { 16015a63426eSLen Brown unsigned long long msr; 16025a63426eSLen Brown 16035a63426eSLen Brown get_msr(base_cpu, MSR_PKGC3_IRTL, &msr); 16045a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC3_IRTL: 0x%08llx (", base_cpu, msr); 16055a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 16065a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16075a63426eSLen Brown 16085a63426eSLen Brown get_msr(base_cpu, MSR_PKGC6_IRTL, &msr); 16095a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC6_IRTL: 0x%08llx (", base_cpu, msr); 16105a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 16115a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16125a63426eSLen Brown 16135a63426eSLen Brown get_msr(base_cpu, MSR_PKGC7_IRTL, &msr); 16145a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC7_IRTL: 0x%08llx (", base_cpu, msr); 16155a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 16165a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16175a63426eSLen Brown 16185a63426eSLen Brown if (!do_irtl_hsw) 16195a63426eSLen Brown return; 16205a63426eSLen Brown 16215a63426eSLen Brown get_msr(base_cpu, MSR_PKGC8_IRTL, &msr); 16225a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC8_IRTL: 0x%08llx (", base_cpu, msr); 16235a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 16245a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16255a63426eSLen Brown 16265a63426eSLen Brown get_msr(base_cpu, MSR_PKGC9_IRTL, &msr); 16275a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC9_IRTL: 0x%08llx (", base_cpu, msr); 16285a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 16295a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16305a63426eSLen Brown 16315a63426eSLen Brown get_msr(base_cpu, MSR_PKGC10_IRTL, &msr); 16325a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC10_IRTL: 0x%08llx (", base_cpu, msr); 16335a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 16345a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16355a63426eSLen Brown 16365a63426eSLen Brown } 163736229897SLen Brown void free_fd_percpu(void) 163836229897SLen Brown { 163936229897SLen Brown int i; 164036229897SLen Brown 164136229897SLen Brown for (i = 0; i < topo.max_cpu_num; ++i) { 164236229897SLen Brown if (fd_percpu[i] != 0) 164336229897SLen Brown close(fd_percpu[i]); 164436229897SLen Brown } 164536229897SLen Brown 164636229897SLen Brown free(fd_percpu); 16476fb3143bSLen Brown } 16486fb3143bSLen Brown 1649c98d5d94SLen Brown void free_all_buffers(void) 1650103a8feaSLen Brown { 1651c98d5d94SLen Brown CPU_FREE(cpu_present_set); 1652c98d5d94SLen Brown cpu_present_set = NULL; 165336229897SLen Brown cpu_present_setsize = 0; 1654103a8feaSLen Brown 1655c98d5d94SLen Brown CPU_FREE(cpu_affinity_set); 1656c98d5d94SLen Brown cpu_affinity_set = NULL; 1657c98d5d94SLen Brown cpu_affinity_setsize = 0; 1658103a8feaSLen Brown 1659c98d5d94SLen Brown free(thread_even); 1660c98d5d94SLen Brown free(core_even); 1661c98d5d94SLen Brown free(package_even); 1662103a8feaSLen Brown 1663c98d5d94SLen Brown thread_even = NULL; 1664c98d5d94SLen Brown core_even = NULL; 1665c98d5d94SLen Brown package_even = NULL; 1666103a8feaSLen Brown 1667c98d5d94SLen Brown free(thread_odd); 1668c98d5d94SLen Brown free(core_odd); 1669c98d5d94SLen Brown free(package_odd); 1670103a8feaSLen Brown 1671c98d5d94SLen Brown thread_odd = NULL; 1672c98d5d94SLen Brown core_odd = NULL; 1673c98d5d94SLen Brown package_odd = NULL; 1674103a8feaSLen Brown 1675c98d5d94SLen Brown free(output_buffer); 1676c98d5d94SLen Brown output_buffer = NULL; 1677c98d5d94SLen Brown outp = NULL; 167836229897SLen Brown 167936229897SLen Brown free_fd_percpu(); 1680562a2d37SLen Brown 1681562a2d37SLen Brown free(irq_column_2_cpu); 1682562a2d37SLen Brown free(irqs_per_cpu); 1683103a8feaSLen Brown } 1684103a8feaSLen Brown 1685103a8feaSLen Brown /* 168657a42a34SJosh Triplett * Open a file, and exit on failure 168757a42a34SJosh Triplett */ 168857a42a34SJosh Triplett FILE *fopen_or_die(const char *path, const char *mode) 168957a42a34SJosh Triplett { 1690b7d8c148SLen Brown FILE *filep = fopen(path, mode); 1691b2c95d90SJosh Triplett if (!filep) 1692b2c95d90SJosh Triplett err(1, "%s: open failed", path); 169357a42a34SJosh Triplett return filep; 169457a42a34SJosh Triplett } 169557a42a34SJosh Triplett 169657a42a34SJosh Triplett /* 169795aebc44SJosh Triplett * Parse a file containing a single int. 169895aebc44SJosh Triplett */ 169995aebc44SJosh Triplett int parse_int_file(const char *fmt, ...) 170095aebc44SJosh Triplett { 170195aebc44SJosh Triplett va_list args; 170295aebc44SJosh Triplett char path[PATH_MAX]; 170395aebc44SJosh Triplett FILE *filep; 170495aebc44SJosh Triplett int value; 170595aebc44SJosh Triplett 170695aebc44SJosh Triplett va_start(args, fmt); 170795aebc44SJosh Triplett vsnprintf(path, sizeof(path), fmt, args); 170895aebc44SJosh Triplett va_end(args); 170957a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1710b2c95d90SJosh Triplett if (fscanf(filep, "%d", &value) != 1) 1711b2c95d90SJosh Triplett err(1, "%s: failed to parse number from file", path); 171295aebc44SJosh Triplett fclose(filep); 171395aebc44SJosh Triplett return value; 171495aebc44SJosh Triplett } 171595aebc44SJosh Triplett 171695aebc44SJosh Triplett /* 1717e275b388SDasaratharaman Chandramouli * get_cpu_position_in_core(cpu) 1718e275b388SDasaratharaman Chandramouli * return the position of the CPU among its HT siblings in the core 1719e275b388SDasaratharaman Chandramouli * return -1 if the sibling is not in list 1720103a8feaSLen Brown */ 1721e275b388SDasaratharaman Chandramouli int get_cpu_position_in_core(int cpu) 1722103a8feaSLen Brown { 1723e275b388SDasaratharaman Chandramouli char path[64]; 1724e275b388SDasaratharaman Chandramouli FILE *filep; 1725e275b388SDasaratharaman Chandramouli int this_cpu; 1726e275b388SDasaratharaman Chandramouli char character; 1727e275b388SDasaratharaman Chandramouli int i; 1728e275b388SDasaratharaman Chandramouli 1729e275b388SDasaratharaman Chandramouli sprintf(path, 1730e275b388SDasaratharaman Chandramouli "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", 1731e275b388SDasaratharaman Chandramouli cpu); 1732e275b388SDasaratharaman Chandramouli filep = fopen(path, "r"); 1733e275b388SDasaratharaman Chandramouli if (filep == NULL) { 1734e275b388SDasaratharaman Chandramouli perror(path); 1735e275b388SDasaratharaman Chandramouli exit(1); 1736e275b388SDasaratharaman Chandramouli } 1737e275b388SDasaratharaman Chandramouli 1738e275b388SDasaratharaman Chandramouli for (i = 0; i < topo.num_threads_per_core; i++) { 1739e275b388SDasaratharaman Chandramouli fscanf(filep, "%d", &this_cpu); 1740e275b388SDasaratharaman Chandramouli if (this_cpu == cpu) { 1741e275b388SDasaratharaman Chandramouli fclose(filep); 1742e275b388SDasaratharaman Chandramouli return i; 1743e275b388SDasaratharaman Chandramouli } 1744e275b388SDasaratharaman Chandramouli 1745e275b388SDasaratharaman Chandramouli /* Account for no separator after last thread*/ 1746e275b388SDasaratharaman Chandramouli if (i != (topo.num_threads_per_core - 1)) 1747e275b388SDasaratharaman Chandramouli fscanf(filep, "%c", &character); 1748e275b388SDasaratharaman Chandramouli } 1749e275b388SDasaratharaman Chandramouli 1750e275b388SDasaratharaman Chandramouli fclose(filep); 1751e275b388SDasaratharaman Chandramouli return -1; 1752c98d5d94SLen Brown } 1753103a8feaSLen Brown 1754c98d5d94SLen Brown /* 1755c98d5d94SLen Brown * cpu_is_first_core_in_package(cpu) 1756c98d5d94SLen Brown * return 1 if given CPU is 1st core in package 1757c98d5d94SLen Brown */ 1758c98d5d94SLen Brown int cpu_is_first_core_in_package(int cpu) 1759c98d5d94SLen Brown { 176095aebc44SJosh Triplett return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); 1761103a8feaSLen Brown } 1762103a8feaSLen Brown 1763103a8feaSLen Brown int get_physical_package_id(int cpu) 1764103a8feaSLen Brown { 176595aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); 1766103a8feaSLen Brown } 1767103a8feaSLen Brown 1768103a8feaSLen Brown int get_core_id(int cpu) 1769103a8feaSLen Brown { 177095aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); 1771103a8feaSLen Brown } 1772103a8feaSLen Brown 1773c98d5d94SLen Brown int get_num_ht_siblings(int cpu) 1774c98d5d94SLen Brown { 1775c98d5d94SLen Brown char path[80]; 1776c98d5d94SLen Brown FILE *filep; 1777e275b388SDasaratharaman Chandramouli int sib1; 1778e275b388SDasaratharaman Chandramouli int matches = 0; 1779c98d5d94SLen Brown char character; 1780e275b388SDasaratharaman Chandramouli char str[100]; 1781e275b388SDasaratharaman Chandramouli char *ch; 1782c98d5d94SLen Brown 1783c98d5d94SLen Brown sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); 178457a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1785e275b388SDasaratharaman Chandramouli 1786103a8feaSLen Brown /* 1787c98d5d94SLen Brown * file format: 1788e275b388SDasaratharaman Chandramouli * A ',' separated or '-' separated set of numbers 1789e275b388SDasaratharaman Chandramouli * (eg 1-2 or 1,3,4,5) 1790c98d5d94SLen Brown */ 1791e275b388SDasaratharaman Chandramouli fscanf(filep, "%d%c\n", &sib1, &character); 1792e275b388SDasaratharaman Chandramouli fseek(filep, 0, SEEK_SET); 1793e275b388SDasaratharaman Chandramouli fgets(str, 100, filep); 1794e275b388SDasaratharaman Chandramouli ch = strchr(str, character); 1795e275b388SDasaratharaman Chandramouli while (ch != NULL) { 1796e275b388SDasaratharaman Chandramouli matches++; 1797e275b388SDasaratharaman Chandramouli ch = strchr(ch+1, character); 1798e275b388SDasaratharaman Chandramouli } 1799c98d5d94SLen Brown 1800c98d5d94SLen Brown fclose(filep); 1801e275b388SDasaratharaman Chandramouli return matches+1; 1802c98d5d94SLen Brown } 1803c98d5d94SLen Brown 1804c98d5d94SLen Brown /* 1805c98d5d94SLen Brown * run func(thread, core, package) in topology order 1806c98d5d94SLen Brown * skip non-present cpus 1807103a8feaSLen Brown */ 1808103a8feaSLen Brown 1809c98d5d94SLen Brown int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *, 1810c98d5d94SLen Brown struct pkg_data *, struct thread_data *, struct core_data *, 1811c98d5d94SLen Brown struct pkg_data *), struct thread_data *thread_base, 1812c98d5d94SLen Brown struct core_data *core_base, struct pkg_data *pkg_base, 1813c98d5d94SLen Brown struct thread_data *thread_base2, struct core_data *core_base2, 1814c98d5d94SLen Brown struct pkg_data *pkg_base2) 1815c98d5d94SLen Brown { 1816c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 1817c98d5d94SLen Brown 1818c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 1819c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 1820c98d5d94SLen Brown for (thread_no = 0; thread_no < 1821c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 1822c98d5d94SLen Brown struct thread_data *t, *t2; 1823c98d5d94SLen Brown struct core_data *c, *c2; 1824c98d5d94SLen Brown struct pkg_data *p, *p2; 1825c98d5d94SLen Brown 1826c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 1827c98d5d94SLen Brown 1828c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 1829c98d5d94SLen Brown continue; 1830c98d5d94SLen Brown 1831c98d5d94SLen Brown t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no); 1832c98d5d94SLen Brown 1833c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 1834c98d5d94SLen Brown c2 = GET_CORE(core_base2, core_no, pkg_no); 1835c98d5d94SLen Brown 1836c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 1837c98d5d94SLen Brown p2 = GET_PKG(pkg_base2, pkg_no); 1838c98d5d94SLen Brown 1839c98d5d94SLen Brown retval = func(t, c, p, t2, c2, p2); 1840c98d5d94SLen Brown if (retval) 1841c98d5d94SLen Brown return retval; 1842c98d5d94SLen Brown } 1843c98d5d94SLen Brown } 1844c98d5d94SLen Brown } 1845c98d5d94SLen Brown return 0; 1846c98d5d94SLen Brown } 1847c98d5d94SLen Brown 1848c98d5d94SLen Brown /* 1849c98d5d94SLen Brown * run func(cpu) on every cpu in /proc/stat 1850c98d5d94SLen Brown * return max_cpu number 1851c98d5d94SLen Brown */ 1852c98d5d94SLen Brown int for_all_proc_cpus(int (func)(int)) 1853103a8feaSLen Brown { 1854103a8feaSLen Brown FILE *fp; 1855c98d5d94SLen Brown int cpu_num; 1856103a8feaSLen Brown int retval; 1857103a8feaSLen Brown 185857a42a34SJosh Triplett fp = fopen_or_die(proc_stat, "r"); 1859103a8feaSLen Brown 1860103a8feaSLen Brown retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n"); 1861b2c95d90SJosh Triplett if (retval != 0) 1862b2c95d90SJosh Triplett err(1, "%s: failed to parse format", proc_stat); 1863103a8feaSLen Brown 1864c98d5d94SLen Brown while (1) { 1865c98d5d94SLen Brown retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num); 1866103a8feaSLen Brown if (retval != 1) 1867103a8feaSLen Brown break; 1868103a8feaSLen Brown 1869c98d5d94SLen Brown retval = func(cpu_num); 1870c98d5d94SLen Brown if (retval) { 1871c98d5d94SLen Brown fclose(fp); 1872c98d5d94SLen Brown return(retval); 1873c98d5d94SLen Brown } 1874103a8feaSLen Brown } 1875103a8feaSLen Brown fclose(fp); 1876c98d5d94SLen Brown return 0; 1877103a8feaSLen Brown } 1878103a8feaSLen Brown 1879103a8feaSLen Brown void re_initialize(void) 1880103a8feaSLen Brown { 1881c98d5d94SLen Brown free_all_buffers(); 1882c98d5d94SLen Brown setup_all_buffers(); 1883c98d5d94SLen Brown printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus); 1884103a8feaSLen Brown } 1885103a8feaSLen Brown 1886c98d5d94SLen Brown 1887103a8feaSLen Brown /* 1888c98d5d94SLen Brown * count_cpus() 1889c98d5d94SLen Brown * remember the last one seen, it will be the max 1890103a8feaSLen Brown */ 1891c98d5d94SLen Brown int count_cpus(int cpu) 1892103a8feaSLen Brown { 1893c98d5d94SLen Brown if (topo.max_cpu_num < cpu) 1894c98d5d94SLen Brown topo.max_cpu_num = cpu; 1895103a8feaSLen Brown 1896c98d5d94SLen Brown topo.num_cpus += 1; 1897c98d5d94SLen Brown return 0; 1898103a8feaSLen Brown } 1899c98d5d94SLen Brown int mark_cpu_present(int cpu) 1900c98d5d94SLen Brown { 1901c98d5d94SLen Brown CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set); 190215aaa346SLen Brown return 0; 1903103a8feaSLen Brown } 1904103a8feaSLen Brown 1905562a2d37SLen Brown /* 1906562a2d37SLen Brown * snapshot_proc_interrupts() 1907562a2d37SLen Brown * 1908562a2d37SLen Brown * read and record summary of /proc/interrupts 1909562a2d37SLen Brown * 1910562a2d37SLen Brown * return 1 if config change requires a restart, else return 0 1911562a2d37SLen Brown */ 1912562a2d37SLen Brown int snapshot_proc_interrupts(void) 1913562a2d37SLen Brown { 1914562a2d37SLen Brown static FILE *fp; 1915562a2d37SLen Brown int column, retval; 1916562a2d37SLen Brown 1917562a2d37SLen Brown if (fp == NULL) 1918562a2d37SLen Brown fp = fopen_or_die("/proc/interrupts", "r"); 1919562a2d37SLen Brown else 1920562a2d37SLen Brown rewind(fp); 1921562a2d37SLen Brown 1922562a2d37SLen Brown /* read 1st line of /proc/interrupts to get cpu* name for each column */ 1923562a2d37SLen Brown for (column = 0; column < topo.num_cpus; ++column) { 1924562a2d37SLen Brown int cpu_number; 1925562a2d37SLen Brown 1926562a2d37SLen Brown retval = fscanf(fp, " CPU%d", &cpu_number); 1927562a2d37SLen Brown if (retval != 1) 1928562a2d37SLen Brown break; 1929562a2d37SLen Brown 1930562a2d37SLen Brown if (cpu_number > topo.max_cpu_num) { 1931562a2d37SLen Brown warn("/proc/interrupts: cpu%d: > %d", cpu_number, topo.max_cpu_num); 1932562a2d37SLen Brown return 1; 1933562a2d37SLen Brown } 1934562a2d37SLen Brown 1935562a2d37SLen Brown irq_column_2_cpu[column] = cpu_number; 1936562a2d37SLen Brown irqs_per_cpu[cpu_number] = 0; 1937562a2d37SLen Brown } 1938562a2d37SLen Brown 1939562a2d37SLen Brown /* read /proc/interrupt count lines and sum up irqs per cpu */ 1940562a2d37SLen Brown while (1) { 1941562a2d37SLen Brown int column; 1942562a2d37SLen Brown char buf[64]; 1943562a2d37SLen Brown 1944562a2d37SLen Brown retval = fscanf(fp, " %s:", buf); /* flush irq# "N:" */ 1945562a2d37SLen Brown if (retval != 1) 1946562a2d37SLen Brown break; 1947562a2d37SLen Brown 1948562a2d37SLen Brown /* read the count per cpu */ 1949562a2d37SLen Brown for (column = 0; column < topo.num_cpus; ++column) { 1950562a2d37SLen Brown 1951562a2d37SLen Brown int cpu_number, irq_count; 1952562a2d37SLen Brown 1953562a2d37SLen Brown retval = fscanf(fp, " %d", &irq_count); 1954562a2d37SLen Brown if (retval != 1) 1955562a2d37SLen Brown break; 1956562a2d37SLen Brown 1957562a2d37SLen Brown cpu_number = irq_column_2_cpu[column]; 1958562a2d37SLen Brown irqs_per_cpu[cpu_number] += irq_count; 1959562a2d37SLen Brown 1960562a2d37SLen Brown } 1961562a2d37SLen Brown 1962562a2d37SLen Brown while (getc(fp) != '\n') 1963562a2d37SLen Brown ; /* flush interrupt description */ 1964562a2d37SLen Brown 1965562a2d37SLen Brown } 1966562a2d37SLen Brown return 0; 1967562a2d37SLen Brown } 196827d47356SLen Brown /* 1969fdf676e5SLen Brown * snapshot_gfx_rc6_ms() 1970fdf676e5SLen Brown * 1971fdf676e5SLen Brown * record snapshot of 1972fdf676e5SLen Brown * /sys/class/drm/card0/power/rc6_residency_ms 1973fdf676e5SLen Brown * 1974fdf676e5SLen Brown * return 1 if config change requires a restart, else return 0 1975fdf676e5SLen Brown */ 1976fdf676e5SLen Brown int snapshot_gfx_rc6_ms(void) 1977fdf676e5SLen Brown { 1978fdf676e5SLen Brown FILE *fp; 1979fdf676e5SLen Brown int retval; 1980fdf676e5SLen Brown 1981fdf676e5SLen Brown fp = fopen_or_die("/sys/class/drm/card0/power/rc6_residency_ms", "r"); 1982fdf676e5SLen Brown 1983fdf676e5SLen Brown retval = fscanf(fp, "%lld", &gfx_cur_rc6_ms); 1984fdf676e5SLen Brown if (retval != 1) 1985fdf676e5SLen Brown err(1, "GFX rc6"); 1986fdf676e5SLen Brown 1987fdf676e5SLen Brown fclose(fp); 1988fdf676e5SLen Brown 1989fdf676e5SLen Brown return 0; 1990fdf676e5SLen Brown } 1991fdf676e5SLen Brown /* 199227d47356SLen Brown * snapshot_gfx_mhz() 199327d47356SLen Brown * 199427d47356SLen Brown * record snapshot of 199527d47356SLen Brown * /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz 199627d47356SLen Brown * 199727d47356SLen Brown * return 1 if config change requires a restart, else return 0 199827d47356SLen Brown */ 199927d47356SLen Brown int snapshot_gfx_mhz(void) 200027d47356SLen Brown { 200127d47356SLen Brown static FILE *fp; 200227d47356SLen Brown int retval; 200327d47356SLen Brown 200427d47356SLen Brown if (fp == NULL) 200527d47356SLen Brown fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r"); 200627d47356SLen Brown else 200727d47356SLen Brown rewind(fp); 200827d47356SLen Brown 200927d47356SLen Brown retval = fscanf(fp, "%d", &gfx_cur_mhz); 201027d47356SLen Brown if (retval != 1) 201127d47356SLen Brown err(1, "GFX MHz"); 201227d47356SLen Brown 201327d47356SLen Brown return 0; 201427d47356SLen Brown } 2015562a2d37SLen Brown 2016562a2d37SLen Brown /* 2017562a2d37SLen Brown * snapshot /proc and /sys files 2018562a2d37SLen Brown * 2019562a2d37SLen Brown * return 1 if configuration restart needed, else return 0 2020562a2d37SLen Brown */ 2021562a2d37SLen Brown int snapshot_proc_sysfs_files(void) 2022562a2d37SLen Brown { 2023562a2d37SLen Brown if (snapshot_proc_interrupts()) 2024562a2d37SLen Brown return 1; 2025562a2d37SLen Brown 2026fdf676e5SLen Brown if (do_gfx_rc6_ms) 2027fdf676e5SLen Brown snapshot_gfx_rc6_ms(); 2028fdf676e5SLen Brown 202927d47356SLen Brown if (do_gfx_mhz) 203027d47356SLen Brown snapshot_gfx_mhz(); 203127d47356SLen Brown 2032562a2d37SLen Brown return 0; 2033562a2d37SLen Brown } 2034562a2d37SLen Brown 2035103a8feaSLen Brown void turbostat_loop() 2036103a8feaSLen Brown { 2037c98d5d94SLen Brown int retval; 2038e52966c0SLen Brown int restarted = 0; 2039c98d5d94SLen Brown 2040103a8feaSLen Brown restart: 2041e52966c0SLen Brown restarted++; 2042e52966c0SLen Brown 2043562a2d37SLen Brown snapshot_proc_sysfs_files(); 2044c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 2045d91bb17cSLen Brown if (retval < -1) { 2046d91bb17cSLen Brown exit(retval); 2047d91bb17cSLen Brown } else if (retval == -1) { 2048e52966c0SLen Brown if (restarted > 1) { 2049e52966c0SLen Brown exit(retval); 2050e52966c0SLen Brown } 2051c98d5d94SLen Brown re_initialize(); 2052c98d5d94SLen Brown goto restart; 2053c98d5d94SLen Brown } 2054e52966c0SLen Brown restarted = 0; 2055103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 2056103a8feaSLen Brown 2057103a8feaSLen Brown while (1) { 2058c98d5d94SLen Brown if (for_all_proc_cpus(cpu_is_not_present)) { 2059103a8feaSLen Brown re_initialize(); 2060103a8feaSLen Brown goto restart; 2061103a8feaSLen Brown } 20622a0609c0SLen Brown nanosleep(&interval_ts, NULL); 2063562a2d37SLen Brown if (snapshot_proc_sysfs_files()) 2064562a2d37SLen Brown goto restart; 2065c98d5d94SLen Brown retval = for_all_cpus(get_counters, ODD_COUNTERS); 2066d91bb17cSLen Brown if (retval < -1) { 2067d91bb17cSLen Brown exit(retval); 2068d91bb17cSLen Brown } else if (retval == -1) { 206915aaa346SLen Brown re_initialize(); 207015aaa346SLen Brown goto restart; 207115aaa346SLen Brown } 2072103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 2073103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 2074c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 2075c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 2076c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 2077b7d8c148SLen Brown flush_output_stdout(); 20782a0609c0SLen Brown nanosleep(&interval_ts, NULL); 2079562a2d37SLen Brown if (snapshot_proc_sysfs_files()) 2080562a2d37SLen Brown goto restart; 2081c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 2082d91bb17cSLen Brown if (retval < -1) { 2083d91bb17cSLen Brown exit(retval); 2084d91bb17cSLen Brown } else if (retval == -1) { 2085103a8feaSLen Brown re_initialize(); 2086103a8feaSLen Brown goto restart; 2087103a8feaSLen Brown } 2088103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 2089103a8feaSLen Brown timersub(&tv_even, &tv_odd, &tv_delta); 2090c98d5d94SLen Brown for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS); 2091c98d5d94SLen Brown compute_average(ODD_COUNTERS); 2092c98d5d94SLen Brown format_all_counters(ODD_COUNTERS); 2093b7d8c148SLen Brown flush_output_stdout(); 2094103a8feaSLen Brown } 2095103a8feaSLen Brown } 2096103a8feaSLen Brown 2097103a8feaSLen Brown void check_dev_msr() 2098103a8feaSLen Brown { 2099103a8feaSLen Brown struct stat sb; 21007ce7d5deSPrarit Bhargava char pathname[32]; 2101103a8feaSLen Brown 21027ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 21037ce7d5deSPrarit Bhargava if (stat(pathname, &sb)) 2104a21d38c8SLen Brown if (system("/sbin/modprobe msr > /dev/null 2>&1")) 2105d7899447SLen Brown err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" "); 2106103a8feaSLen Brown } 2107103a8feaSLen Brown 210898481e79SLen Brown void check_permissions() 2109103a8feaSLen Brown { 211098481e79SLen Brown struct __user_cap_header_struct cap_header_data; 211198481e79SLen Brown cap_user_header_t cap_header = &cap_header_data; 211298481e79SLen Brown struct __user_cap_data_struct cap_data_data; 211398481e79SLen Brown cap_user_data_t cap_data = &cap_data_data; 211498481e79SLen Brown extern int capget(cap_user_header_t hdrp, cap_user_data_t datap); 211598481e79SLen Brown int do_exit = 0; 21167ce7d5deSPrarit Bhargava char pathname[32]; 211798481e79SLen Brown 211898481e79SLen Brown /* check for CAP_SYS_RAWIO */ 211998481e79SLen Brown cap_header->pid = getpid(); 212098481e79SLen Brown cap_header->version = _LINUX_CAPABILITY_VERSION; 212198481e79SLen Brown if (capget(cap_header, cap_data) < 0) 212298481e79SLen Brown err(-6, "capget(2) failed"); 212398481e79SLen Brown 212498481e79SLen Brown if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) { 212598481e79SLen Brown do_exit++; 212698481e79SLen Brown warnx("capget(CAP_SYS_RAWIO) failed," 212798481e79SLen Brown " try \"# setcap cap_sys_rawio=ep %s\"", progname); 212898481e79SLen Brown } 212998481e79SLen Brown 213098481e79SLen Brown /* test file permissions */ 21317ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 21327ce7d5deSPrarit Bhargava if (euidaccess(pathname, R_OK)) { 213398481e79SLen Brown do_exit++; 213498481e79SLen Brown warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr"); 213598481e79SLen Brown } 213698481e79SLen Brown 213798481e79SLen Brown /* if all else fails, thell them to be root */ 213898481e79SLen Brown if (do_exit) 2139b2c95d90SJosh Triplett if (getuid() != 0) 2140d7899447SLen Brown warnx("... or simply run as root"); 214198481e79SLen Brown 214298481e79SLen Brown if (do_exit) 214398481e79SLen Brown exit(-6); 2144103a8feaSLen Brown } 2145103a8feaSLen Brown 2146d7899447SLen Brown /* 2147d7899447SLen Brown * NHM adds support for additional MSRs: 2148d7899447SLen Brown * 2149d7899447SLen Brown * MSR_SMI_COUNT 0x00000034 2150d7899447SLen Brown * 2151ec0adc53SLen Brown * MSR_PLATFORM_INFO 0x000000ce 2152d7899447SLen Brown * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2 2153d7899447SLen Brown * 2154d7899447SLen Brown * MSR_PKG_C3_RESIDENCY 0x000003f8 2155d7899447SLen Brown * MSR_PKG_C6_RESIDENCY 0x000003f9 2156d7899447SLen Brown * MSR_CORE_C3_RESIDENCY 0x000003fc 2157d7899447SLen Brown * MSR_CORE_C6_RESIDENCY 0x000003fd 2158d7899447SLen Brown * 2159ee7e38e3SLen Brown * Side effect: 2160ee7e38e3SLen Brown * sets global pkg_cstate_limit to decode MSR_NHM_SNB_PKG_CST_CFG_CTL 2161d7899447SLen Brown */ 2162ee7e38e3SLen Brown int probe_nhm_msrs(unsigned int family, unsigned int model) 2163103a8feaSLen Brown { 2164ee7e38e3SLen Brown unsigned long long msr; 216521ed5574SLen Brown unsigned int base_ratio; 2166ee7e38e3SLen Brown int *pkg_cstate_limits; 2167ee7e38e3SLen Brown 2168103a8feaSLen Brown if (!genuine_intel) 2169103a8feaSLen Brown return 0; 2170103a8feaSLen Brown 2171103a8feaSLen Brown if (family != 6) 2172103a8feaSLen Brown return 0; 2173103a8feaSLen Brown 217421ed5574SLen Brown bclk = discover_bclk(family, model); 217521ed5574SLen Brown 2176103a8feaSLen Brown switch (model) { 2177103a8feaSLen Brown case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */ 2178103a8feaSLen Brown case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ 2179103a8feaSLen Brown case 0x1F: /* Core i7 and i5 Processor - Nehalem */ 2180103a8feaSLen Brown case 0x25: /* Westmere Client - Clarkdale, Arrandale */ 2181103a8feaSLen Brown case 0x2C: /* Westmere EP - Gulftown */ 2182ee7e38e3SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 2183ee7e38e3SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 2184ee7e38e3SLen Brown pkg_cstate_limits = nhm_pkg_cstate_limits; 2185ee7e38e3SLen Brown break; 2186103a8feaSLen Brown case 0x2A: /* SNB */ 2187103a8feaSLen Brown case 0x2D: /* SNB Xeon */ 2188553575f1SLen Brown case 0x3A: /* IVB */ 21891300651bSLen Brown case 0x3E: /* IVB Xeon */ 2190ee7e38e3SLen Brown pkg_cstate_limits = snb_pkg_cstate_limits; 2191ee7e38e3SLen Brown break; 219270b43400SLen Brown case 0x3C: /* HSW */ 2193e6f9bb3cSLen Brown case 0x3F: /* HSX */ 219470b43400SLen Brown case 0x45: /* HSW */ 2195149c2319SLen Brown case 0x46: /* HSW */ 21964e8e863fSLen Brown case 0x3D: /* BDW */ 219748a0631cSLen Brown case 0x47: /* BDW */ 21984e8e863fSLen Brown case 0x4F: /* BDX */ 21994e8e863fSLen Brown case 0x56: /* BDX-DE */ 22000b2bb692SLen Brown case 0x4E: /* SKL */ 22010b2bb692SLen Brown case 0x5E: /* SKL */ 2202cdc57272SLen Brown case 0x8E: /* KBL */ 2203cdc57272SLen Brown case 0x9E: /* KBL */ 2204ec53e594SLen Brown case 0x55: /* SKX */ 2205ee7e38e3SLen Brown pkg_cstate_limits = hsw_pkg_cstate_limits; 2206ee7e38e3SLen Brown break; 2207ee7e38e3SLen Brown case 0x37: /* BYT */ 2208ee7e38e3SLen Brown case 0x4D: /* AVN */ 2209ee7e38e3SLen Brown pkg_cstate_limits = slv_pkg_cstate_limits; 2210ee7e38e3SLen Brown break; 2211ee7e38e3SLen Brown case 0x4C: /* AMT */ 2212ee7e38e3SLen Brown pkg_cstate_limits = amt_pkg_cstate_limits; 2213ee7e38e3SLen Brown break; 2214ee7e38e3SLen Brown case 0x57: /* PHI */ 2215ee7e38e3SLen Brown pkg_cstate_limits = phi_pkg_cstate_limits; 2216ee7e38e3SLen Brown break; 2217e4085d54SLen Brown case 0x5C: /* BXT */ 2218e4085d54SLen Brown pkg_cstate_limits = bxt_pkg_cstate_limits; 2219e4085d54SLen Brown break; 2220103a8feaSLen Brown default: 2221103a8feaSLen Brown return 0; 2222103a8feaSLen Brown } 22237ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 2224e9257f5fSLen Brown pkg_cstate_limit = pkg_cstate_limits[msr & 0xF]; 2225ee7e38e3SLen Brown 2226ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 222721ed5574SLen Brown base_ratio = (msr >> 8) & 0xFF; 222821ed5574SLen Brown 222921ed5574SLen Brown base_hz = base_ratio * bclk * 1000000; 223021ed5574SLen Brown has_base_hz = 1; 2231ee7e38e3SLen Brown return 1; 2232103a8feaSLen Brown } 2233d7899447SLen Brown int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model) 2234d7899447SLen Brown { 2235d7899447SLen Brown switch (model) { 2236d7899447SLen Brown /* Nehalem compatible, but do not include turbo-ratio limit support */ 2237d7899447SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 2238d7899447SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 2239cbf97abaSHubert Chrzaniuk case 0x57: /* PHI - Knights Landing (different MSR definition) */ 2240d7899447SLen Brown return 0; 2241d7899447SLen Brown default: 2242d7899447SLen Brown return 1; 2243d7899447SLen Brown } 2244d7899447SLen Brown } 22456574a5d5SLen Brown int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model) 22466574a5d5SLen Brown { 22476574a5d5SLen Brown if (!genuine_intel) 22486574a5d5SLen Brown return 0; 22496574a5d5SLen Brown 22506574a5d5SLen Brown if (family != 6) 22516574a5d5SLen Brown return 0; 22526574a5d5SLen Brown 22536574a5d5SLen Brown switch (model) { 22546574a5d5SLen Brown case 0x3E: /* IVB Xeon */ 2255fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 22566574a5d5SLen Brown return 1; 22576574a5d5SLen Brown default: 22586574a5d5SLen Brown return 0; 22596574a5d5SLen Brown } 22606574a5d5SLen Brown } 2261fcd17211SLen Brown int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model) 2262fcd17211SLen Brown { 2263fcd17211SLen Brown if (!genuine_intel) 2264fcd17211SLen Brown return 0; 2265fcd17211SLen Brown 2266fcd17211SLen Brown if (family != 6) 2267fcd17211SLen Brown return 0; 2268fcd17211SLen Brown 2269fcd17211SLen Brown switch (model) { 2270fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 2271fcd17211SLen Brown return 1; 2272fcd17211SLen Brown default: 2273fcd17211SLen Brown return 0; 2274fcd17211SLen Brown } 2275fcd17211SLen Brown } 2276fcd17211SLen Brown 2277fb5d4327SDasaratharaman Chandramouli int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model) 2278fb5d4327SDasaratharaman Chandramouli { 2279fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 2280fb5d4327SDasaratharaman Chandramouli return 0; 2281fb5d4327SDasaratharaman Chandramouli 2282fb5d4327SDasaratharaman Chandramouli if (family != 6) 2283fb5d4327SDasaratharaman Chandramouli return 0; 2284fb5d4327SDasaratharaman Chandramouli 2285fb5d4327SDasaratharaman Chandramouli switch (model) { 2286fb5d4327SDasaratharaman Chandramouli case 0x57: /* Knights Landing */ 2287fb5d4327SDasaratharaman Chandramouli return 1; 2288fb5d4327SDasaratharaman Chandramouli default: 2289fb5d4327SDasaratharaman Chandramouli return 0; 2290fb5d4327SDasaratharaman Chandramouli } 2291fb5d4327SDasaratharaman Chandramouli } 22926fb3143bSLen Brown int has_config_tdp(unsigned int family, unsigned int model) 22936fb3143bSLen Brown { 22946fb3143bSLen Brown if (!genuine_intel) 22956fb3143bSLen Brown return 0; 22966fb3143bSLen Brown 22976fb3143bSLen Brown if (family != 6) 22986fb3143bSLen Brown return 0; 22996fb3143bSLen Brown 23006fb3143bSLen Brown switch (model) { 23016fb3143bSLen Brown case 0x3A: /* IVB */ 23026fb3143bSLen Brown case 0x3C: /* HSW */ 23036fb3143bSLen Brown case 0x3F: /* HSX */ 23046fb3143bSLen Brown case 0x45: /* HSW */ 23056fb3143bSLen Brown case 0x46: /* HSW */ 23066fb3143bSLen Brown case 0x3D: /* BDW */ 23076fb3143bSLen Brown case 0x47: /* BDW */ 23086fb3143bSLen Brown case 0x4F: /* BDX */ 23096fb3143bSLen Brown case 0x56: /* BDX-DE */ 23106fb3143bSLen Brown case 0x4E: /* SKL */ 23116fb3143bSLen Brown case 0x5E: /* SKL */ 2312cdc57272SLen Brown case 0x8E: /* KBL */ 2313cdc57272SLen Brown case 0x9E: /* KBL */ 2314ec53e594SLen Brown case 0x55: /* SKX */ 23156fb3143bSLen Brown 23166fb3143bSLen Brown case 0x57: /* Knights Landing */ 23176fb3143bSLen Brown return 1; 23186fb3143bSLen Brown default: 23196fb3143bSLen Brown return 0; 23206fb3143bSLen Brown } 23216fb3143bSLen Brown } 23226fb3143bSLen Brown 2323fcd17211SLen Brown static void 23241b69317dSColin Ian King dump_cstate_pstate_config_info(unsigned int family, unsigned int model) 2325fcd17211SLen Brown { 2326fcd17211SLen Brown if (!do_nhm_platform_info) 2327fcd17211SLen Brown return; 2328fcd17211SLen Brown 2329fcd17211SLen Brown dump_nhm_platform_info(); 2330fcd17211SLen Brown 2331fcd17211SLen Brown if (has_hsw_turbo_ratio_limit(family, model)) 2332fcd17211SLen Brown dump_hsw_turbo_ratio_limits(); 2333fcd17211SLen Brown 2334fcd17211SLen Brown if (has_ivt_turbo_ratio_limit(family, model)) 2335fcd17211SLen Brown dump_ivt_turbo_ratio_limits(); 2336fcd17211SLen Brown 2337fcd17211SLen Brown if (has_nhm_turbo_ratio_limit(family, model)) 2338fcd17211SLen Brown dump_nhm_turbo_ratio_limits(); 2339fcd17211SLen Brown 2340fb5d4327SDasaratharaman Chandramouli if (has_knl_turbo_ratio_limit(family, model)) 2341fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(); 2342fb5d4327SDasaratharaman Chandramouli 23436fb3143bSLen Brown if (has_config_tdp(family, model)) 23446fb3143bSLen Brown dump_config_tdp(); 23456fb3143bSLen Brown 2346fcd17211SLen Brown dump_nhm_cst_cfg(); 2347fcd17211SLen Brown } 2348fcd17211SLen Brown 23496574a5d5SLen Brown 2350889facbeSLen Brown /* 2351889facbeSLen Brown * print_epb() 2352889facbeSLen Brown * Decode the ENERGY_PERF_BIAS MSR 2353889facbeSLen Brown */ 2354889facbeSLen Brown int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2355889facbeSLen Brown { 2356889facbeSLen Brown unsigned long long msr; 2357889facbeSLen Brown char *epb_string; 2358889facbeSLen Brown int cpu; 2359889facbeSLen Brown 2360889facbeSLen Brown if (!has_epb) 2361889facbeSLen Brown return 0; 2362889facbeSLen Brown 2363889facbeSLen Brown cpu = t->cpu_id; 2364889facbeSLen Brown 2365889facbeSLen Brown /* EPB is per-package */ 2366889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2367889facbeSLen Brown return 0; 2368889facbeSLen Brown 2369889facbeSLen Brown if (cpu_migrate(cpu)) { 2370b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2371889facbeSLen Brown return -1; 2372889facbeSLen Brown } 2373889facbeSLen Brown 2374889facbeSLen Brown if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr)) 2375889facbeSLen Brown return 0; 2376889facbeSLen Brown 2377e9be7dd6SLen Brown switch (msr & 0xF) { 2378889facbeSLen Brown case ENERGY_PERF_BIAS_PERFORMANCE: 2379889facbeSLen Brown epb_string = "performance"; 2380889facbeSLen Brown break; 2381889facbeSLen Brown case ENERGY_PERF_BIAS_NORMAL: 2382889facbeSLen Brown epb_string = "balanced"; 2383889facbeSLen Brown break; 2384889facbeSLen Brown case ENERGY_PERF_BIAS_POWERSAVE: 2385889facbeSLen Brown epb_string = "powersave"; 2386889facbeSLen Brown break; 2387889facbeSLen Brown default: 2388889facbeSLen Brown epb_string = "custom"; 2389889facbeSLen Brown break; 2390889facbeSLen Brown } 2391b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string); 2392889facbeSLen Brown 2393889facbeSLen Brown return 0; 2394889facbeSLen Brown } 23957f5c258eSLen Brown /* 23967f5c258eSLen Brown * print_hwp() 23977f5c258eSLen Brown * Decode the MSR_HWP_CAPABILITIES 23987f5c258eSLen Brown */ 23997f5c258eSLen Brown int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) 24007f5c258eSLen Brown { 24017f5c258eSLen Brown unsigned long long msr; 24027f5c258eSLen Brown int cpu; 24037f5c258eSLen Brown 24047f5c258eSLen Brown if (!has_hwp) 24057f5c258eSLen Brown return 0; 24067f5c258eSLen Brown 24077f5c258eSLen Brown cpu = t->cpu_id; 24087f5c258eSLen Brown 24097f5c258eSLen Brown /* MSR_HWP_CAPABILITIES is per-package */ 24107f5c258eSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 24117f5c258eSLen Brown return 0; 24127f5c258eSLen Brown 24137f5c258eSLen Brown if (cpu_migrate(cpu)) { 2414b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 24157f5c258eSLen Brown return -1; 24167f5c258eSLen Brown } 24177f5c258eSLen Brown 24187f5c258eSLen Brown if (get_msr(cpu, MSR_PM_ENABLE, &msr)) 24197f5c258eSLen Brown return 0; 24207f5c258eSLen Brown 2421b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PM_ENABLE: 0x%08llx (%sHWP)\n", 24227f5c258eSLen Brown cpu, msr, (msr & (1 << 0)) ? "" : "No-"); 24237f5c258eSLen Brown 24247f5c258eSLen Brown /* MSR_PM_ENABLE[1] == 1 if HWP is enabled and MSRs visible */ 24257f5c258eSLen Brown if ((msr & (1 << 0)) == 0) 24267f5c258eSLen Brown return 0; 24277f5c258eSLen Brown 24287f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_CAPABILITIES, &msr)) 24297f5c258eSLen Brown return 0; 24307f5c258eSLen Brown 2431b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_CAPABILITIES: 0x%08llx " 24327f5c258eSLen Brown "(high 0x%x guar 0x%x eff 0x%x low 0x%x)\n", 24337f5c258eSLen Brown cpu, msr, 24347f5c258eSLen Brown (unsigned int)HWP_HIGHEST_PERF(msr), 24357f5c258eSLen Brown (unsigned int)HWP_GUARANTEED_PERF(msr), 24367f5c258eSLen Brown (unsigned int)HWP_MOSTEFFICIENT_PERF(msr), 24377f5c258eSLen Brown (unsigned int)HWP_LOWEST_PERF(msr)); 24387f5c258eSLen Brown 24397f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST, &msr)) 24407f5c258eSLen Brown return 0; 24417f5c258eSLen Brown 2442b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_REQUEST: 0x%08llx " 24437f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x pkg 0x%x)\n", 24447f5c258eSLen Brown cpu, msr, 24457f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 24467f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 24477f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 24487f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 24497f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3), 24507f5c258eSLen Brown (unsigned int)(((msr) >> 42) & 0x1)); 24517f5c258eSLen Brown 24527f5c258eSLen Brown if (has_hwp_pkg) { 24537f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST_PKG, &msr)) 24547f5c258eSLen Brown return 0; 24557f5c258eSLen Brown 2456b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_REQUEST_PKG: 0x%08llx " 24577f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x)\n", 24587f5c258eSLen Brown cpu, msr, 24597f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 24607f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 24617f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 24627f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 24637f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3)); 24647f5c258eSLen Brown } 24657f5c258eSLen Brown if (has_hwp_notify) { 24667f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_INTERRUPT, &msr)) 24677f5c258eSLen Brown return 0; 24687f5c258eSLen Brown 2469b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_INTERRUPT: 0x%08llx " 24707f5c258eSLen Brown "(%s_Guaranteed_Perf_Change, %s_Excursion_Min)\n", 24717f5c258eSLen Brown cpu, msr, 24727f5c258eSLen Brown ((msr) & 0x1) ? "EN" : "Dis", 24737f5c258eSLen Brown ((msr) & 0x2) ? "EN" : "Dis"); 24747f5c258eSLen Brown } 24757f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_STATUS, &msr)) 24767f5c258eSLen Brown return 0; 24777f5c258eSLen Brown 2478b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_STATUS: 0x%08llx " 24797f5c258eSLen Brown "(%sGuaranteed_Perf_Change, %sExcursion_Min)\n", 24807f5c258eSLen Brown cpu, msr, 24817f5c258eSLen Brown ((msr) & 0x1) ? "" : "No-", 24827f5c258eSLen Brown ((msr) & 0x2) ? "" : "No-"); 2483889facbeSLen Brown 2484889facbeSLen Brown return 0; 2485889facbeSLen Brown } 2486889facbeSLen Brown 24873a9a941dSLen Brown /* 24883a9a941dSLen Brown * print_perf_limit() 24893a9a941dSLen Brown */ 24903a9a941dSLen Brown int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p) 24913a9a941dSLen Brown { 24923a9a941dSLen Brown unsigned long long msr; 24933a9a941dSLen Brown int cpu; 24943a9a941dSLen Brown 24953a9a941dSLen Brown cpu = t->cpu_id; 24963a9a941dSLen Brown 24973a9a941dSLen Brown /* per-package */ 24983a9a941dSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 24993a9a941dSLen Brown return 0; 25003a9a941dSLen Brown 25013a9a941dSLen Brown if (cpu_migrate(cpu)) { 2502b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 25033a9a941dSLen Brown return -1; 25043a9a941dSLen Brown } 25053a9a941dSLen Brown 25063a9a941dSLen Brown if (do_core_perf_limit_reasons) { 25073a9a941dSLen Brown get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr); 2508b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2509b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)", 2510e33cbe85SLen Brown (msr & 1 << 15) ? "bit15, " : "", 25113a9a941dSLen Brown (msr & 1 << 14) ? "bit14, " : "", 2512e33cbe85SLen Brown (msr & 1 << 13) ? "Transitions, " : "", 2513e33cbe85SLen Brown (msr & 1 << 12) ? "MultiCoreTurbo, " : "", 2514e33cbe85SLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : "", 2515e33cbe85SLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 2516e33cbe85SLen Brown (msr & 1 << 9) ? "CorePwr, " : "", 2517e33cbe85SLen Brown (msr & 1 << 8) ? "Amps, " : "", 2518e33cbe85SLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 2519e33cbe85SLen Brown (msr & 1 << 5) ? "Auto-HWP, " : "", 2520e33cbe85SLen Brown (msr & 1 << 4) ? "Graphics, " : "", 2521e33cbe85SLen Brown (msr & 1 << 2) ? "bit2, " : "", 2522e33cbe85SLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 2523e33cbe85SLen Brown (msr & 1 << 0) ? "PROCHOT, " : ""); 2524b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n", 2525e33cbe85SLen Brown (msr & 1 << 31) ? "bit31, " : "", 25263a9a941dSLen Brown (msr & 1 << 30) ? "bit30, " : "", 2527e33cbe85SLen Brown (msr & 1 << 29) ? "Transitions, " : "", 2528e33cbe85SLen Brown (msr & 1 << 28) ? "MultiCoreTurbo, " : "", 2529e33cbe85SLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : "", 2530e33cbe85SLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 2531e33cbe85SLen Brown (msr & 1 << 25) ? "CorePwr, " : "", 2532e33cbe85SLen Brown (msr & 1 << 24) ? "Amps, " : "", 2533e33cbe85SLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 2534e33cbe85SLen Brown (msr & 1 << 21) ? "Auto-HWP, " : "", 2535e33cbe85SLen Brown (msr & 1 << 20) ? "Graphics, " : "", 2536e33cbe85SLen Brown (msr & 1 << 18) ? "bit18, " : "", 2537e33cbe85SLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 2538e33cbe85SLen Brown (msr & 1 << 16) ? "PROCHOT, " : ""); 25393a9a941dSLen Brown 25403a9a941dSLen Brown } 25413a9a941dSLen Brown if (do_gfx_perf_limit_reasons) { 25423a9a941dSLen Brown get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr); 2543b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2544b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s%s%s)", 25453a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 25463a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 25473a9a941dSLen Brown (msr & 1 << 4) ? "Graphics, " : "", 25483a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 25493a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 25503a9a941dSLen Brown (msr & 1 << 9) ? "GFXPwr, " : "", 25513a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 25523a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 2553b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s)\n", 25543a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 25553a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 25563a9a941dSLen Brown (msr & 1 << 20) ? "Graphics, " : "", 25573a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 25583a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 25593a9a941dSLen Brown (msr & 1 << 25) ? "GFXPwr, " : "", 25603a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 25613a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 25623a9a941dSLen Brown } 25633a9a941dSLen Brown if (do_ring_perf_limit_reasons) { 25643a9a941dSLen Brown get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr); 2565b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2566b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s)", 25673a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 25683a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 25693a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 25703a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 25713a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 25723a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 2573b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s)\n", 25743a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 25753a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 25763a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 25773a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 25783a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 25793a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 25803a9a941dSLen Brown } 25813a9a941dSLen Brown return 0; 25823a9a941dSLen Brown } 25833a9a941dSLen Brown 2584889facbeSLen Brown #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */ 2585889facbeSLen Brown #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */ 2586889facbeSLen Brown 25871b69317dSColin Ian King double get_tdp(unsigned int model) 2588144b44b1SLen Brown { 2589144b44b1SLen Brown unsigned long long msr; 2590144b44b1SLen Brown 2591144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) 25927ce7d5deSPrarit Bhargava if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr)) 2593144b44b1SLen Brown return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units; 2594144b44b1SLen Brown 2595144b44b1SLen Brown switch (model) { 2596144b44b1SLen Brown case 0x37: 2597144b44b1SLen Brown case 0x4D: 2598144b44b1SLen Brown return 30.0; 2599144b44b1SLen Brown default: 2600144b44b1SLen Brown return 135.0; 2601144b44b1SLen Brown } 2602144b44b1SLen Brown } 2603144b44b1SLen Brown 260440ee8e3bSAndrey Semin /* 260540ee8e3bSAndrey Semin * rapl_dram_energy_units_probe() 260640ee8e3bSAndrey Semin * Energy units are either hard-coded, or come from RAPL Energy Unit MSR. 260740ee8e3bSAndrey Semin */ 260840ee8e3bSAndrey Semin static double 260940ee8e3bSAndrey Semin rapl_dram_energy_units_probe(int model, double rapl_energy_units) 261040ee8e3bSAndrey Semin { 261140ee8e3bSAndrey Semin /* only called for genuine_intel, family 6 */ 261240ee8e3bSAndrey Semin 261340ee8e3bSAndrey Semin switch (model) { 261440ee8e3bSAndrey Semin case 0x3F: /* HSX */ 261540ee8e3bSAndrey Semin case 0x4F: /* BDX */ 261640ee8e3bSAndrey Semin case 0x56: /* BDX-DE */ 2617fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 261840ee8e3bSAndrey Semin return (rapl_dram_energy_units = 15.3 / 1000000); 261940ee8e3bSAndrey Semin default: 262040ee8e3bSAndrey Semin return (rapl_energy_units); 262140ee8e3bSAndrey Semin } 262240ee8e3bSAndrey Semin } 262340ee8e3bSAndrey Semin 2624144b44b1SLen Brown 2625889facbeSLen Brown /* 2626889facbeSLen Brown * rapl_probe() 2627889facbeSLen Brown * 2628144b44b1SLen Brown * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units 2629889facbeSLen Brown */ 2630889facbeSLen Brown void rapl_probe(unsigned int family, unsigned int model) 2631889facbeSLen Brown { 2632889facbeSLen Brown unsigned long long msr; 2633144b44b1SLen Brown unsigned int time_unit; 2634889facbeSLen Brown double tdp; 2635889facbeSLen Brown 2636889facbeSLen Brown if (!genuine_intel) 2637889facbeSLen Brown return; 2638889facbeSLen Brown 2639889facbeSLen Brown if (family != 6) 2640889facbeSLen Brown return; 2641889facbeSLen Brown 2642889facbeSLen Brown switch (model) { 2643889facbeSLen Brown case 0x2A: 2644889facbeSLen Brown case 0x3A: 264570b43400SLen Brown case 0x3C: /* HSW */ 264670b43400SLen Brown case 0x45: /* HSW */ 2647149c2319SLen Brown case 0x46: /* HSW */ 26484e8e863fSLen Brown case 0x3D: /* BDW */ 264948a0631cSLen Brown case 0x47: /* BDW */ 2650144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; 2651889facbeSLen Brown break; 2652e4085d54SLen Brown case 0x5C: /* BXT */ 2653e4085d54SLen Brown do_rapl = RAPL_PKG | RAPL_PKG_POWER_INFO; 2654e4085d54SLen Brown break; 26550b2bb692SLen Brown case 0x4E: /* SKL */ 26560b2bb692SLen Brown case 0x5E: /* SKL */ 2657cdc57272SLen Brown case 0x8E: /* KBL */ 2658cdc57272SLen Brown case 0x9E: /* KBL */ 26590b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 26600b2bb692SLen Brown break; 2661e6f9bb3cSLen Brown case 0x3F: /* HSX */ 26624e8e863fSLen Brown case 0x4F: /* BDX */ 26634e8e863fSLen Brown case 0x56: /* BDX-DE */ 2664ec53e594SLen Brown case 0x55: /* SKX */ 2665fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 26660b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 2667e6f9bb3cSLen Brown break; 2668889facbeSLen Brown case 0x2D: 2669889facbeSLen Brown case 0x3E: 26700b2bb692SLen 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; 2671144b44b1SLen Brown break; 2672144b44b1SLen Brown case 0x37: /* BYT */ 2673144b44b1SLen Brown case 0x4D: /* AVN */ 2674144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES ; 2675889facbeSLen Brown break; 2676889facbeSLen Brown default: 2677889facbeSLen Brown return; 2678889facbeSLen Brown } 2679889facbeSLen Brown 2680889facbeSLen Brown /* units on package 0, verify later other packages match */ 26817ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr)) 2682889facbeSLen Brown return; 2683889facbeSLen Brown 2684889facbeSLen Brown rapl_power_units = 1.0 / (1 << (msr & 0xF)); 2685144b44b1SLen Brown if (model == 0x37) 2686144b44b1SLen Brown rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000; 2687144b44b1SLen Brown else 2688889facbeSLen Brown rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F)); 2689889facbeSLen Brown 269040ee8e3bSAndrey Semin rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units); 269140ee8e3bSAndrey Semin 2692144b44b1SLen Brown time_unit = msr >> 16 & 0xF; 2693144b44b1SLen Brown if (time_unit == 0) 2694144b44b1SLen Brown time_unit = 0xA; 2695889facbeSLen Brown 2696144b44b1SLen Brown rapl_time_units = 1.0 / (1 << (time_unit)); 2697144b44b1SLen Brown 2698144b44b1SLen Brown tdp = get_tdp(model); 2699889facbeSLen Brown 2700889facbeSLen Brown rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; 2701d8af6f5fSLen Brown if (debug) 2702b7d8c148SLen Brown fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp); 2703889facbeSLen Brown 2704889facbeSLen Brown return; 2705889facbeSLen Brown } 2706889facbeSLen Brown 27071b69317dSColin Ian King void perf_limit_reasons_probe(unsigned int family, unsigned int model) 27083a9a941dSLen Brown { 27093a9a941dSLen Brown if (!genuine_intel) 27103a9a941dSLen Brown return; 27113a9a941dSLen Brown 27123a9a941dSLen Brown if (family != 6) 27133a9a941dSLen Brown return; 27143a9a941dSLen Brown 27153a9a941dSLen Brown switch (model) { 27163a9a941dSLen Brown case 0x3C: /* HSW */ 27173a9a941dSLen Brown case 0x45: /* HSW */ 27183a9a941dSLen Brown case 0x46: /* HSW */ 27193a9a941dSLen Brown do_gfx_perf_limit_reasons = 1; 27203a9a941dSLen Brown case 0x3F: /* HSX */ 27213a9a941dSLen Brown do_core_perf_limit_reasons = 1; 27223a9a941dSLen Brown do_ring_perf_limit_reasons = 1; 27233a9a941dSLen Brown default: 27243a9a941dSLen Brown return; 27253a9a941dSLen Brown } 27263a9a941dSLen Brown } 27273a9a941dSLen Brown 2728889facbeSLen Brown int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2729889facbeSLen Brown { 2730889facbeSLen Brown unsigned long long msr; 2731889facbeSLen Brown unsigned int dts; 2732889facbeSLen Brown int cpu; 2733889facbeSLen Brown 2734889facbeSLen Brown if (!(do_dts || do_ptm)) 2735889facbeSLen Brown return 0; 2736889facbeSLen Brown 2737889facbeSLen Brown cpu = t->cpu_id; 2738889facbeSLen Brown 2739889facbeSLen Brown /* DTS is per-core, no need to print for each thread */ 2740889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 2741889facbeSLen Brown return 0; 2742889facbeSLen Brown 2743889facbeSLen Brown if (cpu_migrate(cpu)) { 2744b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2745889facbeSLen Brown return -1; 2746889facbeSLen Brown } 2747889facbeSLen Brown 2748889facbeSLen Brown if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) { 2749889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 2750889facbeSLen Brown return 0; 2751889facbeSLen Brown 2752889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2753b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", 2754889facbeSLen Brown cpu, msr, tcc_activation_temp - dts); 2755889facbeSLen Brown 2756889facbeSLen Brown #ifdef THERM_DEBUG 2757889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) 2758889facbeSLen Brown return 0; 2759889facbeSLen Brown 2760889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2761889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2762b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2763889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2764889facbeSLen Brown #endif 2765889facbeSLen Brown } 2766889facbeSLen Brown 2767889facbeSLen Brown 2768889facbeSLen Brown if (do_dts) { 2769889facbeSLen Brown unsigned int resolution; 2770889facbeSLen Brown 2771889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 2772889facbeSLen Brown return 0; 2773889facbeSLen Brown 2774889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2775889facbeSLen Brown resolution = (msr >> 27) & 0xF; 2776b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", 2777889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, resolution); 2778889facbeSLen Brown 2779889facbeSLen Brown #ifdef THERM_DEBUG 2780889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) 2781889facbeSLen Brown return 0; 2782889facbeSLen Brown 2783889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2784889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2785b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2786889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2787889facbeSLen Brown #endif 2788889facbeSLen Brown } 2789889facbeSLen Brown 2790889facbeSLen Brown return 0; 2791889facbeSLen Brown } 2792889facbeSLen Brown 2793889facbeSLen Brown void print_power_limit_msr(int cpu, unsigned long long msr, char *label) 2794889facbeSLen Brown { 2795b7d8c148SLen Brown fprintf(outf, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n", 2796889facbeSLen Brown cpu, label, 2797889facbeSLen Brown ((msr >> 15) & 1) ? "EN" : "DIS", 2798889facbeSLen Brown ((msr >> 0) & 0x7FFF) * rapl_power_units, 2799889facbeSLen Brown (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units, 2800889facbeSLen Brown (((msr >> 16) & 1) ? "EN" : "DIS")); 2801889facbeSLen Brown 2802889facbeSLen Brown return; 2803889facbeSLen Brown } 2804889facbeSLen Brown 2805889facbeSLen Brown int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2806889facbeSLen Brown { 2807889facbeSLen Brown unsigned long long msr; 2808889facbeSLen Brown int cpu; 2809889facbeSLen Brown 2810889facbeSLen Brown if (!do_rapl) 2811889facbeSLen Brown return 0; 2812889facbeSLen Brown 2813889facbeSLen Brown /* RAPL counters are per package, so print only for 1st thread/package */ 2814889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2815889facbeSLen Brown return 0; 2816889facbeSLen Brown 2817889facbeSLen Brown cpu = t->cpu_id; 2818889facbeSLen Brown if (cpu_migrate(cpu)) { 2819b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2820889facbeSLen Brown return -1; 2821889facbeSLen Brown } 2822889facbeSLen Brown 2823889facbeSLen Brown if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr)) 2824889facbeSLen Brown return -1; 2825889facbeSLen Brown 2826d8af6f5fSLen Brown if (debug) { 2827b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx " 2828889facbeSLen Brown "(%f Watts, %f Joules, %f sec.)\n", cpu, msr, 2829144b44b1SLen Brown rapl_power_units, rapl_energy_units, rapl_time_units); 2830889facbeSLen Brown } 2831144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) { 2832144b44b1SLen Brown 2833889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr)) 2834889facbeSLen Brown return -5; 2835889facbeSLen Brown 2836889facbeSLen Brown 2837b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2838889facbeSLen Brown cpu, msr, 2839889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2840889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2841889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2842889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 2843889facbeSLen Brown 2844144b44b1SLen Brown } 2845144b44b1SLen Brown if (do_rapl & RAPL_PKG) { 2846144b44b1SLen Brown 2847889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr)) 2848889facbeSLen Brown return -9; 2849889facbeSLen Brown 2850b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n", 2851889facbeSLen Brown cpu, msr, (msr >> 63) & 1 ? "": "UN"); 2852889facbeSLen Brown 2853889facbeSLen Brown print_power_limit_msr(cpu, msr, "PKG Limit #1"); 2854b7d8c148SLen Brown fprintf(outf, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n", 2855889facbeSLen Brown cpu, 2856889facbeSLen Brown ((msr >> 47) & 1) ? "EN" : "DIS", 2857889facbeSLen Brown ((msr >> 32) & 0x7FFF) * rapl_power_units, 2858889facbeSLen Brown (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units, 2859889facbeSLen Brown ((msr >> 48) & 1) ? "EN" : "DIS"); 2860889facbeSLen Brown } 2861889facbeSLen Brown 28620b2bb692SLen Brown if (do_rapl & RAPL_DRAM_POWER_INFO) { 2863889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr)) 2864889facbeSLen Brown return -6; 2865889facbeSLen Brown 2866b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2867889facbeSLen Brown cpu, msr, 2868889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2869889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2870889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2871889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 28720b2bb692SLen Brown } 28730b2bb692SLen Brown if (do_rapl & RAPL_DRAM) { 2874889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr)) 2875889facbeSLen Brown return -9; 2876b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n", 2877889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2878889facbeSLen Brown 2879889facbeSLen Brown print_power_limit_msr(cpu, msr, "DRAM Limit"); 2880889facbeSLen Brown } 2881144b44b1SLen Brown if (do_rapl & RAPL_CORE_POLICY) { 2882d8af6f5fSLen Brown if (debug) { 2883889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POLICY, &msr)) 2884889facbeSLen Brown return -7; 2885889facbeSLen Brown 2886b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF); 2887144b44b1SLen Brown } 2888144b44b1SLen Brown } 2889144b44b1SLen Brown if (do_rapl & RAPL_CORES) { 2890d8af6f5fSLen Brown if (debug) { 2891889facbeSLen Brown 2892889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr)) 2893889facbeSLen Brown return -9; 2894b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n", 2895889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2896889facbeSLen Brown print_power_limit_msr(cpu, msr, "Cores Limit"); 2897889facbeSLen Brown } 2898889facbeSLen Brown } 2899889facbeSLen Brown if (do_rapl & RAPL_GFX) { 2900d8af6f5fSLen Brown if (debug) { 2901889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POLICY, &msr)) 2902889facbeSLen Brown return -8; 2903889facbeSLen Brown 2904b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF); 2905889facbeSLen Brown 2906889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr)) 2907889facbeSLen Brown return -9; 2908b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n", 2909889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2910889facbeSLen Brown print_power_limit_msr(cpu, msr, "GFX Limit"); 2911889facbeSLen Brown } 2912889facbeSLen Brown } 2913889facbeSLen Brown return 0; 2914889facbeSLen Brown } 2915889facbeSLen Brown 2916d7899447SLen Brown /* 2917d7899447SLen Brown * SNB adds support for additional MSRs: 2918d7899447SLen Brown * 2919d7899447SLen Brown * MSR_PKG_C7_RESIDENCY 0x000003fa 2920d7899447SLen Brown * MSR_CORE_C7_RESIDENCY 0x000003fe 2921d7899447SLen Brown * MSR_PKG_C2_RESIDENCY 0x0000060d 2922d7899447SLen Brown */ 2923103a8feaSLen Brown 2924d7899447SLen Brown int has_snb_msrs(unsigned int family, unsigned int model) 2925103a8feaSLen Brown { 2926103a8feaSLen Brown if (!genuine_intel) 2927103a8feaSLen Brown return 0; 2928103a8feaSLen Brown 2929103a8feaSLen Brown switch (model) { 2930103a8feaSLen Brown case 0x2A: 2931103a8feaSLen Brown case 0x2D: 2932650a37f3SLen Brown case 0x3A: /* IVB */ 29331300651bSLen Brown case 0x3E: /* IVB Xeon */ 293470b43400SLen Brown case 0x3C: /* HSW */ 293570b43400SLen Brown case 0x3F: /* HSW */ 293670b43400SLen Brown case 0x45: /* HSW */ 2937149c2319SLen Brown case 0x46: /* HSW */ 29384e8e863fSLen Brown case 0x3D: /* BDW */ 293948a0631cSLen Brown case 0x47: /* BDW */ 29404e8e863fSLen Brown case 0x4F: /* BDX */ 29414e8e863fSLen Brown case 0x56: /* BDX-DE */ 29420b2bb692SLen Brown case 0x4E: /* SKL */ 29430b2bb692SLen Brown case 0x5E: /* SKL */ 2944cdc57272SLen Brown case 0x8E: /* KBL */ 2945cdc57272SLen Brown case 0x9E: /* KBL */ 2946ec53e594SLen Brown case 0x55: /* SKX */ 2947e4085d54SLen Brown case 0x5C: /* BXT */ 2948103a8feaSLen Brown return 1; 2949103a8feaSLen Brown } 2950103a8feaSLen Brown return 0; 2951103a8feaSLen Brown } 2952103a8feaSLen Brown 2953d7899447SLen Brown /* 2954d7899447SLen Brown * HSW adds support for additional MSRs: 2955d7899447SLen Brown * 2956d7899447SLen Brown * MSR_PKG_C8_RESIDENCY 0x00000630 2957d7899447SLen Brown * MSR_PKG_C9_RESIDENCY 0x00000631 2958d7899447SLen Brown * MSR_PKG_C10_RESIDENCY 0x00000632 29595a63426eSLen Brown * 29605a63426eSLen Brown * MSR_PKGC8_IRTL 0x00000633 29615a63426eSLen Brown * MSR_PKGC9_IRTL 0x00000634 29625a63426eSLen Brown * MSR_PKGC10_IRTL 0x00000635 29635a63426eSLen Brown * 2964d7899447SLen Brown */ 2965d7899447SLen Brown int has_hsw_msrs(unsigned int family, unsigned int model) 2966ca58710fSKristen Carlson Accardi { 2967ca58710fSKristen Carlson Accardi if (!genuine_intel) 2968ca58710fSKristen Carlson Accardi return 0; 2969ca58710fSKristen Carlson Accardi 2970ca58710fSKristen Carlson Accardi switch (model) { 29714e8e863fSLen Brown case 0x45: /* HSW */ 29724e8e863fSLen Brown case 0x3D: /* BDW */ 29730b2bb692SLen Brown case 0x4E: /* SKL */ 29740b2bb692SLen Brown case 0x5E: /* SKL */ 2975cdc57272SLen Brown case 0x8E: /* KBL */ 2976cdc57272SLen Brown case 0x9E: /* KBL */ 2977e4085d54SLen Brown case 0x5C: /* BXT */ 2978ca58710fSKristen Carlson Accardi return 1; 2979ca58710fSKristen Carlson Accardi } 2980ca58710fSKristen Carlson Accardi return 0; 2981ca58710fSKristen Carlson Accardi } 2982ca58710fSKristen Carlson Accardi 29830b2bb692SLen Brown /* 29840b2bb692SLen Brown * SKL adds support for additional MSRS: 29850b2bb692SLen Brown * 29860b2bb692SLen Brown * MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658 29870b2bb692SLen Brown * MSR_PKG_ANY_CORE_C0_RES 0x00000659 29880b2bb692SLen Brown * MSR_PKG_ANY_GFXE_C0_RES 0x0000065A 29890b2bb692SLen Brown * MSR_PKG_BOTH_CORE_GFXE_C0_RES 0x0000065B 29900b2bb692SLen Brown */ 29910b2bb692SLen Brown int has_skl_msrs(unsigned int family, unsigned int model) 29920b2bb692SLen Brown { 29930b2bb692SLen Brown if (!genuine_intel) 29940b2bb692SLen Brown return 0; 29950b2bb692SLen Brown 29960b2bb692SLen Brown switch (model) { 29970b2bb692SLen Brown case 0x4E: /* SKL */ 29980b2bb692SLen Brown case 0x5E: /* SKL */ 2999cdc57272SLen Brown case 0x8E: /* KBL */ 3000cdc57272SLen Brown case 0x9E: /* KBL */ 30010b2bb692SLen Brown return 1; 30020b2bb692SLen Brown } 30030b2bb692SLen Brown return 0; 30040b2bb692SLen Brown } 30050b2bb692SLen Brown 30060b2bb692SLen Brown 3007ca58710fSKristen Carlson Accardi 3008144b44b1SLen Brown int is_slm(unsigned int family, unsigned int model) 3009144b44b1SLen Brown { 3010144b44b1SLen Brown if (!genuine_intel) 3011144b44b1SLen Brown return 0; 3012144b44b1SLen Brown switch (model) { 3013144b44b1SLen Brown case 0x37: /* BYT */ 3014144b44b1SLen Brown case 0x4D: /* AVN */ 3015144b44b1SLen Brown return 1; 3016144b44b1SLen Brown } 3017144b44b1SLen Brown return 0; 3018144b44b1SLen Brown } 3019144b44b1SLen Brown 3020fb5d4327SDasaratharaman Chandramouli int is_knl(unsigned int family, unsigned int model) 3021fb5d4327SDasaratharaman Chandramouli { 3022fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 3023fb5d4327SDasaratharaman Chandramouli return 0; 3024fb5d4327SDasaratharaman Chandramouli switch (model) { 3025fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 3026fb5d4327SDasaratharaman Chandramouli return 1; 3027fb5d4327SDasaratharaman Chandramouli } 3028fb5d4327SDasaratharaman Chandramouli return 0; 3029fb5d4327SDasaratharaman Chandramouli } 3030fb5d4327SDasaratharaman Chandramouli 3031b2b34dfeSHubert Chrzaniuk unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model) 3032b2b34dfeSHubert Chrzaniuk { 3033b2b34dfeSHubert Chrzaniuk if (is_knl(family, model)) 3034b2b34dfeSHubert Chrzaniuk return 1024; 3035b2b34dfeSHubert Chrzaniuk return 1; 3036b2b34dfeSHubert Chrzaniuk } 3037b2b34dfeSHubert Chrzaniuk 3038144b44b1SLen Brown #define SLM_BCLK_FREQS 5 3039144b44b1SLen Brown double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0}; 3040144b44b1SLen Brown 3041144b44b1SLen Brown double slm_bclk(void) 3042144b44b1SLen Brown { 3043144b44b1SLen Brown unsigned long long msr = 3; 3044144b44b1SLen Brown unsigned int i; 3045144b44b1SLen Brown double freq; 3046144b44b1SLen Brown 30477ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_FSB_FREQ, &msr)) 3048b7d8c148SLen Brown fprintf(outf, "SLM BCLK: unknown\n"); 3049144b44b1SLen Brown 3050144b44b1SLen Brown i = msr & 0xf; 3051144b44b1SLen Brown if (i >= SLM_BCLK_FREQS) { 3052b7d8c148SLen Brown fprintf(outf, "SLM BCLK[%d] invalid\n", i); 3053144b44b1SLen Brown msr = 3; 3054144b44b1SLen Brown } 3055144b44b1SLen Brown freq = slm_freq_table[i]; 3056144b44b1SLen Brown 3057b7d8c148SLen Brown fprintf(outf, "SLM BCLK: %.1f Mhz\n", freq); 3058144b44b1SLen Brown 3059144b44b1SLen Brown return freq; 3060144b44b1SLen Brown } 3061144b44b1SLen Brown 3062103a8feaSLen Brown double discover_bclk(unsigned int family, unsigned int model) 3063103a8feaSLen Brown { 3064121b48bbSChrzaniuk, Hubert if (has_snb_msrs(family, model) || is_knl(family, model)) 3065103a8feaSLen Brown return 100.00; 3066144b44b1SLen Brown else if (is_slm(family, model)) 3067144b44b1SLen Brown return slm_bclk(); 3068103a8feaSLen Brown else 3069103a8feaSLen Brown return 133.33; 3070103a8feaSLen Brown } 3071103a8feaSLen Brown 3072889facbeSLen Brown /* 3073889facbeSLen Brown * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where 3074889facbeSLen Brown * the Thermal Control Circuit (TCC) activates. 3075889facbeSLen Brown * This is usually equal to tjMax. 3076889facbeSLen Brown * 3077889facbeSLen Brown * Older processors do not have this MSR, so there we guess, 3078889facbeSLen Brown * but also allow cmdline over-ride with -T. 3079889facbeSLen Brown * 3080889facbeSLen Brown * Several MSR temperature values are in units of degrees-C 3081889facbeSLen Brown * below this value, including the Digital Thermal Sensor (DTS), 3082889facbeSLen Brown * Package Thermal Management Sensor (PTM), and thermal event thresholds. 3083889facbeSLen Brown */ 3084889facbeSLen Brown int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p) 3085889facbeSLen Brown { 3086889facbeSLen Brown unsigned long long msr; 3087889facbeSLen Brown unsigned int target_c_local; 3088889facbeSLen Brown int cpu; 3089889facbeSLen Brown 3090889facbeSLen Brown /* tcc_activation_temp is used only for dts or ptm */ 3091889facbeSLen Brown if (!(do_dts || do_ptm)) 3092889facbeSLen Brown return 0; 3093889facbeSLen Brown 3094889facbeSLen Brown /* this is a per-package concept */ 3095889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 3096889facbeSLen Brown return 0; 3097889facbeSLen Brown 3098889facbeSLen Brown cpu = t->cpu_id; 3099889facbeSLen Brown if (cpu_migrate(cpu)) { 3100b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 3101889facbeSLen Brown return -1; 3102889facbeSLen Brown } 3103889facbeSLen Brown 3104889facbeSLen Brown if (tcc_activation_temp_override != 0) { 3105889facbeSLen Brown tcc_activation_temp = tcc_activation_temp_override; 3106b7d8c148SLen Brown fprintf(outf, "cpu%d: Using cmdline TCC Target (%d C)\n", 3107889facbeSLen Brown cpu, tcc_activation_temp); 3108889facbeSLen Brown return 0; 3109889facbeSLen Brown } 3110889facbeSLen Brown 3111889facbeSLen Brown /* Temperature Target MSR is Nehalem and newer only */ 3112d7899447SLen Brown if (!do_nhm_platform_info) 3113889facbeSLen Brown goto guess; 3114889facbeSLen Brown 31157ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr)) 3116889facbeSLen Brown goto guess; 3117889facbeSLen Brown 31183482124aSJean Delvare target_c_local = (msr >> 16) & 0xFF; 3119889facbeSLen Brown 3120d8af6f5fSLen Brown if (debug) 3121b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", 3122889facbeSLen Brown cpu, msr, target_c_local); 3123889facbeSLen Brown 31243482124aSJean Delvare if (!target_c_local) 3125889facbeSLen Brown goto guess; 3126889facbeSLen Brown 3127889facbeSLen Brown tcc_activation_temp = target_c_local; 3128889facbeSLen Brown 3129889facbeSLen Brown return 0; 3130889facbeSLen Brown 3131889facbeSLen Brown guess: 3132889facbeSLen Brown tcc_activation_temp = TJMAX_DEFAULT; 3133b7d8c148SLen Brown fprintf(outf, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n", 3134889facbeSLen Brown cpu, tcc_activation_temp); 3135889facbeSLen Brown 3136889facbeSLen Brown return 0; 3137889facbeSLen Brown } 313869807a63SLen Brown 3139aa8d8cc7SLen Brown void decode_feature_control_msr(void) 3140aa8d8cc7SLen Brown { 3141aa8d8cc7SLen Brown unsigned long long msr; 3142aa8d8cc7SLen Brown 3143aa8d8cc7SLen Brown if (!get_msr(base_cpu, MSR_IA32_FEATURE_CONTROL, &msr)) 3144aa8d8cc7SLen Brown fprintf(outf, "cpu%d: MSR_IA32_FEATURE_CONTROL: 0x%08llx (%sLocked %s)\n", 3145aa8d8cc7SLen Brown base_cpu, msr, 3146aa8d8cc7SLen Brown msr & FEATURE_CONTROL_LOCKED ? "" : "UN-", 3147aa8d8cc7SLen Brown msr & (1 << 18) ? "SGX" : ""); 3148aa8d8cc7SLen Brown } 3149aa8d8cc7SLen Brown 315069807a63SLen Brown void decode_misc_enable_msr(void) 315169807a63SLen Brown { 315269807a63SLen Brown unsigned long long msr; 315369807a63SLen Brown 315469807a63SLen Brown if (!get_msr(base_cpu, MSR_IA32_MISC_ENABLE, &msr)) 3155b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_MISC_ENABLE: 0x%08llx (%s %s %s)\n", 315669807a63SLen Brown base_cpu, msr, 315769807a63SLen Brown msr & (1 << 3) ? "TCC" : "", 315869807a63SLen Brown msr & (1 << 16) ? "EIST" : "", 315969807a63SLen Brown msr & (1 << 18) ? "MONITOR" : ""); 316069807a63SLen Brown } 316169807a63SLen Brown 3162f0057310SLen Brown /* 3163f0057310SLen Brown * Decode MSR_MISC_PWR_MGMT 3164f0057310SLen Brown * 3165f0057310SLen Brown * Decode the bits according to the Nehalem documentation 3166f0057310SLen Brown * bit[0] seems to continue to have same meaning going forward 3167f0057310SLen Brown * bit[1] less so... 3168f0057310SLen Brown */ 3169f0057310SLen Brown void decode_misc_pwr_mgmt_msr(void) 3170f0057310SLen Brown { 3171f0057310SLen Brown unsigned long long msr; 3172f0057310SLen Brown 3173f0057310SLen Brown if (!do_nhm_platform_info) 3174f0057310SLen Brown return; 3175f0057310SLen Brown 3176f0057310SLen Brown if (!get_msr(base_cpu, MSR_MISC_PWR_MGMT, &msr)) 3177b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_MISC_PWR_MGMT: 0x%08llx (%sable-EIST_Coordination %sable-EPB)\n", 3178f0057310SLen Brown base_cpu, msr, 3179f0057310SLen Brown msr & (1 << 0) ? "DIS" : "EN", 3180f0057310SLen Brown msr & (1 << 1) ? "EN" : "DIS"); 3181f0057310SLen Brown } 31827f5c258eSLen Brown 3183fcd17211SLen Brown void process_cpuid() 3184103a8feaSLen Brown { 318561a87ba7SLen Brown unsigned int eax, ebx, ecx, edx, max_level, max_extended_level; 3186103a8feaSLen Brown unsigned int fms, family, model, stepping; 3187103a8feaSLen Brown 3188103a8feaSLen Brown eax = ebx = ecx = edx = 0; 3189103a8feaSLen Brown 31905aea2f7fSLen Brown __cpuid(0, max_level, ebx, ecx, edx); 3191103a8feaSLen Brown 3192103a8feaSLen Brown if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e) 3193103a8feaSLen Brown genuine_intel = 1; 3194103a8feaSLen Brown 3195d8af6f5fSLen Brown if (debug) 3196b7d8c148SLen Brown fprintf(outf, "CPUID(0): %.4s%.4s%.4s ", 3197103a8feaSLen Brown (char *)&ebx, (char *)&edx, (char *)&ecx); 3198103a8feaSLen Brown 31995aea2f7fSLen Brown __cpuid(1, fms, ebx, ecx, edx); 3200103a8feaSLen Brown family = (fms >> 8) & 0xf; 3201103a8feaSLen Brown model = (fms >> 4) & 0xf; 3202103a8feaSLen Brown stepping = fms & 0xf; 3203103a8feaSLen Brown if (family == 6 || family == 0xf) 3204103a8feaSLen Brown model += ((fms >> 16) & 0xf) << 4; 3205103a8feaSLen Brown 320669807a63SLen Brown if (debug) { 3207b7d8c148SLen Brown fprintf(outf, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n", 3208103a8feaSLen Brown max_level, family, model, stepping, family, model, stepping); 3209aa8d8cc7SLen Brown fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s %s\n", 321069807a63SLen Brown ecx & (1 << 0) ? "SSE3" : "-", 321169807a63SLen Brown ecx & (1 << 3) ? "MONITOR" : "-", 3212aa8d8cc7SLen Brown ecx & (1 << 6) ? "SMX" : "-", 321369807a63SLen Brown ecx & (1 << 7) ? "EIST" : "-", 321469807a63SLen Brown ecx & (1 << 8) ? "TM2" : "-", 321569807a63SLen Brown edx & (1 << 4) ? "TSC" : "-", 321669807a63SLen Brown edx & (1 << 5) ? "MSR" : "-", 321769807a63SLen Brown edx & (1 << 22) ? "ACPI-TM" : "-", 321869807a63SLen Brown edx & (1 << 29) ? "TM" : "-"); 321969807a63SLen Brown } 3220103a8feaSLen Brown 3221b2c95d90SJosh Triplett if (!(edx & (1 << 5))) 3222b2c95d90SJosh Triplett errx(1, "CPUID: no MSR"); 3223103a8feaSLen Brown 3224103a8feaSLen Brown /* 3225103a8feaSLen Brown * check max extended function levels of CPUID. 3226103a8feaSLen Brown * This is needed to check for invariant TSC. 3227103a8feaSLen Brown * This check is valid for both Intel and AMD. 3228103a8feaSLen Brown */ 3229103a8feaSLen Brown ebx = ecx = edx = 0; 32305aea2f7fSLen Brown __cpuid(0x80000000, max_extended_level, ebx, ecx, edx); 3231103a8feaSLen Brown 323261a87ba7SLen Brown if (max_extended_level >= 0x80000007) { 3233103a8feaSLen Brown 3234103a8feaSLen Brown /* 3235103a8feaSLen Brown * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 3236103a8feaSLen Brown * this check is valid for both Intel and AMD 3237103a8feaSLen Brown */ 32385aea2f7fSLen Brown __cpuid(0x80000007, eax, ebx, ecx, edx); 32398209e054SThomas Renninger has_invariant_tsc = edx & (1 << 8); 3240d7899447SLen Brown } 3241103a8feaSLen Brown 3242103a8feaSLen Brown /* 3243103a8feaSLen Brown * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0 3244103a8feaSLen Brown * this check is valid for both Intel and AMD 3245103a8feaSLen Brown */ 3246103a8feaSLen Brown 32475aea2f7fSLen Brown __cpuid(0x6, eax, ebx, ecx, edx); 32488209e054SThomas Renninger has_aperf = ecx & (1 << 0); 3249889facbeSLen Brown do_dts = eax & (1 << 0); 3250889facbeSLen Brown do_ptm = eax & (1 << 6); 32517f5c258eSLen Brown has_hwp = eax & (1 << 7); 32527f5c258eSLen Brown has_hwp_notify = eax & (1 << 8); 32537f5c258eSLen Brown has_hwp_activity_window = eax & (1 << 9); 32547f5c258eSLen Brown has_hwp_epp = eax & (1 << 10); 32557f5c258eSLen Brown has_hwp_pkg = eax & (1 << 11); 3256889facbeSLen Brown has_epb = ecx & (1 << 3); 3257889facbeSLen Brown 3258d8af6f5fSLen Brown if (debug) 3259b7d8c148SLen Brown fprintf(outf, "CPUID(6): %sAPERF, %sDTS, %sPTM, %sHWP, " 32607f5c258eSLen Brown "%sHWPnotify, %sHWPwindow, %sHWPepp, %sHWPpkg, %sEPB\n", 32617f5c258eSLen Brown has_aperf ? "" : "No-", 32627f5c258eSLen Brown do_dts ? "" : "No-", 32637f5c258eSLen Brown do_ptm ? "" : "No-", 32647f5c258eSLen Brown has_hwp ? "" : "No-", 32657f5c258eSLen Brown has_hwp_notify ? "" : "No-", 32667f5c258eSLen Brown has_hwp_activity_window ? "" : "No-", 32677f5c258eSLen Brown has_hwp_epp ? "" : "No-", 32687f5c258eSLen Brown has_hwp_pkg ? "" : "No-", 32697f5c258eSLen Brown has_epb ? "" : "No-"); 3270103a8feaSLen Brown 327169807a63SLen Brown if (debug) 327269807a63SLen Brown decode_misc_enable_msr(); 327369807a63SLen Brown 32748ae72255SLen Brown if (max_level >= 0x7 && debug) { 3275aa8d8cc7SLen Brown int has_sgx; 3276aa8d8cc7SLen Brown 3277aa8d8cc7SLen Brown ecx = 0; 3278aa8d8cc7SLen Brown 3279aa8d8cc7SLen Brown __cpuid_count(0x7, 0, eax, ebx, ecx, edx); 3280aa8d8cc7SLen Brown 3281aa8d8cc7SLen Brown has_sgx = ebx & (1 << 2); 3282aa8d8cc7SLen Brown fprintf(outf, "CPUID(7): %sSGX\n", has_sgx ? "" : "No-"); 3283aa8d8cc7SLen Brown 3284aa8d8cc7SLen Brown if (has_sgx) 3285aa8d8cc7SLen Brown decode_feature_control_msr(); 3286aa8d8cc7SLen Brown } 3287aa8d8cc7SLen Brown 328861a87ba7SLen Brown if (max_level >= 0x15) { 32898a5bdf41SLen Brown unsigned int eax_crystal; 32908a5bdf41SLen Brown unsigned int ebx_tsc; 32918a5bdf41SLen Brown 32928a5bdf41SLen Brown /* 32938a5bdf41SLen Brown * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz 32948a5bdf41SLen Brown */ 32958a5bdf41SLen Brown eax_crystal = ebx_tsc = crystal_hz = edx = 0; 32965aea2f7fSLen Brown __cpuid(0x15, eax_crystal, ebx_tsc, crystal_hz, edx); 32978a5bdf41SLen Brown 32988a5bdf41SLen Brown if (ebx_tsc != 0) { 32998a5bdf41SLen Brown 33008a5bdf41SLen Brown if (debug && (ebx != 0)) 3301b7d8c148SLen Brown fprintf(outf, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n", 33028a5bdf41SLen Brown eax_crystal, ebx_tsc, crystal_hz); 33038a5bdf41SLen Brown 33048a5bdf41SLen Brown if (crystal_hz == 0) 33058a5bdf41SLen Brown switch(model) { 33068a5bdf41SLen Brown case 0x4E: /* SKL */ 33078a5bdf41SLen Brown case 0x5E: /* SKL */ 3308cdc57272SLen Brown case 0x8E: /* KBL */ 3309cdc57272SLen Brown case 0x9E: /* KBL */ 3310e8efbc80SLen Brown crystal_hz = 24000000; /* 24.0 MHz */ 3311e8efbc80SLen Brown break; 3312ec53e594SLen Brown case 0x55: /* SKX */ 3313ec53e594SLen Brown crystal_hz = 25000000; /* 25.0 MHz */ 3314ec53e594SLen Brown break; 3315e8efbc80SLen Brown case 0x5C: /* BXT */ 3316e8efbc80SLen Brown crystal_hz = 19200000; /* 19.2 MHz */ 33178a5bdf41SLen Brown break; 33188a5bdf41SLen Brown default: 33198a5bdf41SLen Brown crystal_hz = 0; 33208a5bdf41SLen Brown } 33218a5bdf41SLen Brown 33228a5bdf41SLen Brown if (crystal_hz) { 33238a5bdf41SLen Brown tsc_hz = (unsigned long long) crystal_hz * ebx_tsc / eax_crystal; 33248a5bdf41SLen Brown if (debug) 3325b7d8c148SLen Brown fprintf(outf, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n", 33268a5bdf41SLen Brown tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal); 33278a5bdf41SLen Brown } 33288a5bdf41SLen Brown } 33298a5bdf41SLen Brown } 333061a87ba7SLen Brown if (max_level >= 0x16) { 333161a87ba7SLen Brown unsigned int base_mhz, max_mhz, bus_mhz, edx; 333261a87ba7SLen Brown 333361a87ba7SLen Brown /* 333461a87ba7SLen Brown * CPUID 16H Base MHz, Max MHz, Bus MHz 333561a87ba7SLen Brown */ 333661a87ba7SLen Brown base_mhz = max_mhz = bus_mhz = edx = 0; 333761a87ba7SLen Brown 33385aea2f7fSLen Brown __cpuid(0x16, base_mhz, max_mhz, bus_mhz, edx); 333961a87ba7SLen Brown if (debug) 3340b7d8c148SLen Brown fprintf(outf, "CPUID(0x16): base_mhz: %d max_mhz: %d bus_mhz: %d\n", 334161a87ba7SLen Brown base_mhz, max_mhz, bus_mhz); 334261a87ba7SLen Brown } 33438a5bdf41SLen Brown 3344b2b34dfeSHubert Chrzaniuk if (has_aperf) 3345b2b34dfeSHubert Chrzaniuk aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model); 3346b2b34dfeSHubert Chrzaniuk 3347ee7e38e3SLen Brown do_nhm_platform_info = do_nhm_cstates = do_smi = probe_nhm_msrs(family, model); 3348d7899447SLen Brown do_snb_cstates = has_snb_msrs(family, model); 33495a63426eSLen Brown do_irtl_snb = has_snb_msrs(family, model); 3350ee7e38e3SLen Brown do_pc2 = do_snb_cstates && (pkg_cstate_limit >= PCL__2); 3351ee7e38e3SLen Brown do_pc3 = (pkg_cstate_limit >= PCL__3); 3352ee7e38e3SLen Brown do_pc6 = (pkg_cstate_limit >= PCL__6); 3353ee7e38e3SLen Brown do_pc7 = do_snb_cstates && (pkg_cstate_limit >= PCL__7); 3354d7899447SLen Brown do_c8_c9_c10 = has_hsw_msrs(family, model); 33555a63426eSLen Brown do_irtl_hsw = has_hsw_msrs(family, model); 33560b2bb692SLen Brown do_skl_residency = has_skl_msrs(family, model); 3357144b44b1SLen Brown do_slm_cstates = is_slm(family, model); 3358fb5d4327SDasaratharaman Chandramouli do_knl_cstates = is_knl(family, model); 3359103a8feaSLen Brown 3360f0057310SLen Brown if (debug) 3361f0057310SLen Brown decode_misc_pwr_mgmt_msr(); 3362f0057310SLen Brown 3363889facbeSLen Brown rapl_probe(family, model); 33643a9a941dSLen Brown perf_limit_reasons_probe(family, model); 3365889facbeSLen Brown 3366fcd17211SLen Brown if (debug) 33671b69317dSColin Ian King dump_cstate_pstate_config_info(family, model); 3368fcd17211SLen Brown 3369a2b7b749SLen Brown if (has_skl_msrs(family, model)) 3370a2b7b749SLen Brown calculate_tsc_tweak(); 3371a2b7b749SLen Brown 3372fdf676e5SLen Brown do_gfx_rc6_ms = !access("/sys/class/drm/card0/power/rc6_residency_ms", R_OK); 3373fdf676e5SLen Brown 337427d47356SLen Brown do_gfx_mhz = !access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK); 337527d47356SLen Brown 3376889facbeSLen Brown return; 3377103a8feaSLen Brown } 3378103a8feaSLen Brown 3379d8af6f5fSLen Brown void help() 3380103a8feaSLen Brown { 3381b7d8c148SLen Brown fprintf(outf, 3382d8af6f5fSLen Brown "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n" 3383d8af6f5fSLen Brown "\n" 3384d8af6f5fSLen Brown "Turbostat forks the specified COMMAND and prints statistics\n" 3385d8af6f5fSLen Brown "when COMMAND completes.\n" 3386d8af6f5fSLen Brown "If no COMMAND is specified, turbostat wakes every 5-seconds\n" 3387d8af6f5fSLen Brown "to print statistics, until interrupted.\n" 3388d8af6f5fSLen Brown "--debug run in \"debug\" mode\n" 3389d8af6f5fSLen Brown "--interval sec Override default 5-second measurement interval\n" 3390d8af6f5fSLen Brown "--help print this help message\n" 3391d8af6f5fSLen Brown "--counter msr print 32-bit counter at address \"msr\"\n" 3392d8af6f5fSLen Brown "--Counter msr print 64-bit Counter at address \"msr\"\n" 3393b7d8c148SLen Brown "--out file create or truncate \"file\" for all output\n" 3394d8af6f5fSLen Brown "--msr msr print 32-bit value at address \"msr\"\n" 3395d8af6f5fSLen Brown "--MSR msr print 64-bit Value at address \"msr\"\n" 3396d8af6f5fSLen Brown "--version print version information\n" 3397d8af6f5fSLen Brown "\n" 3398d8af6f5fSLen Brown "For more help, run \"man turbostat\"\n"); 3399103a8feaSLen Brown } 3400103a8feaSLen Brown 3401103a8feaSLen Brown 3402103a8feaSLen Brown /* 3403103a8feaSLen Brown * in /dev/cpu/ return success for names that are numbers 3404103a8feaSLen Brown * ie. filter out ".", "..", "microcode". 3405103a8feaSLen Brown */ 3406103a8feaSLen Brown int dir_filter(const struct dirent *dirp) 3407103a8feaSLen Brown { 3408103a8feaSLen Brown if (isdigit(dirp->d_name[0])) 3409103a8feaSLen Brown return 1; 3410103a8feaSLen Brown else 3411103a8feaSLen Brown return 0; 3412103a8feaSLen Brown } 3413103a8feaSLen Brown 3414103a8feaSLen Brown int open_dev_cpu_msr(int dummy1) 3415103a8feaSLen Brown { 3416103a8feaSLen Brown return 0; 3417103a8feaSLen Brown } 3418103a8feaSLen Brown 3419c98d5d94SLen Brown void topology_probe() 3420c98d5d94SLen Brown { 3421c98d5d94SLen Brown int i; 3422c98d5d94SLen Brown int max_core_id = 0; 3423c98d5d94SLen Brown int max_package_id = 0; 3424c98d5d94SLen Brown int max_siblings = 0; 3425c98d5d94SLen Brown struct cpu_topology { 3426c98d5d94SLen Brown int core_id; 3427c98d5d94SLen Brown int physical_package_id; 3428c98d5d94SLen Brown } *cpus; 3429c98d5d94SLen Brown 3430c98d5d94SLen Brown /* Initialize num_cpus, max_cpu_num */ 3431c98d5d94SLen Brown topo.num_cpus = 0; 3432c98d5d94SLen Brown topo.max_cpu_num = 0; 3433c98d5d94SLen Brown for_all_proc_cpus(count_cpus); 3434c98d5d94SLen Brown if (!summary_only && topo.num_cpus > 1) 3435c98d5d94SLen Brown show_cpu = 1; 3436c98d5d94SLen Brown 3437d8af6f5fSLen Brown if (debug > 1) 3438b7d8c148SLen Brown fprintf(outf, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num); 3439c98d5d94SLen Brown 3440c98d5d94SLen Brown cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology)); 3441b2c95d90SJosh Triplett if (cpus == NULL) 3442b2c95d90SJosh Triplett err(1, "calloc cpus"); 3443c98d5d94SLen Brown 3444c98d5d94SLen Brown /* 3445c98d5d94SLen Brown * Allocate and initialize cpu_present_set 3446c98d5d94SLen Brown */ 3447c98d5d94SLen Brown cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1)); 3448b2c95d90SJosh Triplett if (cpu_present_set == NULL) 3449b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 3450c98d5d94SLen Brown cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 3451c98d5d94SLen Brown CPU_ZERO_S(cpu_present_setsize, cpu_present_set); 3452c98d5d94SLen Brown for_all_proc_cpus(mark_cpu_present); 3453c98d5d94SLen Brown 3454c98d5d94SLen Brown /* 3455c98d5d94SLen Brown * Allocate and initialize cpu_affinity_set 3456c98d5d94SLen Brown */ 3457c98d5d94SLen Brown cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1)); 3458b2c95d90SJosh Triplett if (cpu_affinity_set == NULL) 3459b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 3460c98d5d94SLen Brown cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 3461c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 3462c98d5d94SLen Brown 3463c98d5d94SLen Brown 3464c98d5d94SLen Brown /* 3465c98d5d94SLen Brown * For online cpus 3466c98d5d94SLen Brown * find max_core_id, max_package_id 3467c98d5d94SLen Brown */ 3468c98d5d94SLen Brown for (i = 0; i <= topo.max_cpu_num; ++i) { 3469c98d5d94SLen Brown int siblings; 3470c98d5d94SLen Brown 3471c98d5d94SLen Brown if (cpu_is_not_present(i)) { 3472d8af6f5fSLen Brown if (debug > 1) 3473b7d8c148SLen Brown fprintf(outf, "cpu%d NOT PRESENT\n", i); 3474c98d5d94SLen Brown continue; 3475c98d5d94SLen Brown } 3476c98d5d94SLen Brown cpus[i].core_id = get_core_id(i); 3477c98d5d94SLen Brown if (cpus[i].core_id > max_core_id) 3478c98d5d94SLen Brown max_core_id = cpus[i].core_id; 3479c98d5d94SLen Brown 3480c98d5d94SLen Brown cpus[i].physical_package_id = get_physical_package_id(i); 3481c98d5d94SLen Brown if (cpus[i].physical_package_id > max_package_id) 3482c98d5d94SLen Brown max_package_id = cpus[i].physical_package_id; 3483c98d5d94SLen Brown 3484c98d5d94SLen Brown siblings = get_num_ht_siblings(i); 3485c98d5d94SLen Brown if (siblings > max_siblings) 3486c98d5d94SLen Brown max_siblings = siblings; 3487d8af6f5fSLen Brown if (debug > 1) 3488b7d8c148SLen Brown fprintf(outf, "cpu %d pkg %d core %d\n", 3489c98d5d94SLen Brown i, cpus[i].physical_package_id, cpus[i].core_id); 3490c98d5d94SLen Brown } 3491c98d5d94SLen Brown topo.num_cores_per_pkg = max_core_id + 1; 3492d8af6f5fSLen Brown if (debug > 1) 3493b7d8c148SLen Brown fprintf(outf, "max_core_id %d, sizing for %d cores per package\n", 3494c98d5d94SLen Brown max_core_id, topo.num_cores_per_pkg); 34951cc21f7bSLen Brown if (debug && !summary_only && topo.num_cores_per_pkg > 1) 3496c98d5d94SLen Brown show_core = 1; 3497c98d5d94SLen Brown 3498c98d5d94SLen Brown topo.num_packages = max_package_id + 1; 3499d8af6f5fSLen Brown if (debug > 1) 3500b7d8c148SLen Brown fprintf(outf, "max_package_id %d, sizing for %d packages\n", 3501c98d5d94SLen Brown max_package_id, topo.num_packages); 35021cc21f7bSLen Brown if (debug && !summary_only && topo.num_packages > 1) 3503c98d5d94SLen Brown show_pkg = 1; 3504c98d5d94SLen Brown 3505c98d5d94SLen Brown topo.num_threads_per_core = max_siblings; 3506d8af6f5fSLen Brown if (debug > 1) 3507b7d8c148SLen Brown fprintf(outf, "max_siblings %d\n", max_siblings); 3508c98d5d94SLen Brown 3509c98d5d94SLen Brown free(cpus); 3510c98d5d94SLen Brown } 3511c98d5d94SLen Brown 3512c98d5d94SLen Brown void 3513c98d5d94SLen Brown allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p) 3514c98d5d94SLen Brown { 3515c98d5d94SLen Brown int i; 3516c98d5d94SLen Brown 3517c98d5d94SLen Brown *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg * 3518c98d5d94SLen Brown topo.num_packages, sizeof(struct thread_data)); 3519c98d5d94SLen Brown if (*t == NULL) 3520c98d5d94SLen Brown goto error; 3521c98d5d94SLen Brown 3522c98d5d94SLen Brown for (i = 0; i < topo.num_threads_per_core * 3523c98d5d94SLen Brown topo.num_cores_per_pkg * topo.num_packages; i++) 3524c98d5d94SLen Brown (*t)[i].cpu_id = -1; 3525c98d5d94SLen Brown 3526c98d5d94SLen Brown *c = calloc(topo.num_cores_per_pkg * topo.num_packages, 3527c98d5d94SLen Brown sizeof(struct core_data)); 3528c98d5d94SLen Brown if (*c == NULL) 3529c98d5d94SLen Brown goto error; 3530c98d5d94SLen Brown 3531c98d5d94SLen Brown for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++) 3532c98d5d94SLen Brown (*c)[i].core_id = -1; 3533c98d5d94SLen Brown 3534c98d5d94SLen Brown *p = calloc(topo.num_packages, sizeof(struct pkg_data)); 3535c98d5d94SLen Brown if (*p == NULL) 3536c98d5d94SLen Brown goto error; 3537c98d5d94SLen Brown 3538c98d5d94SLen Brown for (i = 0; i < topo.num_packages; i++) 3539c98d5d94SLen Brown (*p)[i].package_id = i; 3540c98d5d94SLen Brown 3541c98d5d94SLen Brown return; 3542c98d5d94SLen Brown error: 3543b2c95d90SJosh Triplett err(1, "calloc counters"); 3544c98d5d94SLen Brown } 3545c98d5d94SLen Brown /* 3546c98d5d94SLen Brown * init_counter() 3547c98d5d94SLen Brown * 3548c98d5d94SLen Brown * set cpu_id, core_num, pkg_num 3549c98d5d94SLen Brown * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE 3550c98d5d94SLen Brown * 3551c98d5d94SLen Brown * increment topo.num_cores when 1st core in pkg seen 3552c98d5d94SLen Brown */ 3553c98d5d94SLen Brown void init_counter(struct thread_data *thread_base, struct core_data *core_base, 3554c98d5d94SLen Brown struct pkg_data *pkg_base, int thread_num, int core_num, 3555c98d5d94SLen Brown int pkg_num, int cpu_id) 3556c98d5d94SLen Brown { 3557c98d5d94SLen Brown struct thread_data *t; 3558c98d5d94SLen Brown struct core_data *c; 3559c98d5d94SLen Brown struct pkg_data *p; 3560c98d5d94SLen Brown 3561c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_num, core_num, pkg_num); 3562c98d5d94SLen Brown c = GET_CORE(core_base, core_num, pkg_num); 3563c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_num); 3564c98d5d94SLen Brown 3565c98d5d94SLen Brown t->cpu_id = cpu_id; 3566c98d5d94SLen Brown if (thread_num == 0) { 3567c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_THREAD_IN_CORE; 3568c98d5d94SLen Brown if (cpu_is_first_core_in_package(cpu_id)) 3569c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE; 3570c98d5d94SLen Brown } 3571c98d5d94SLen Brown 3572c98d5d94SLen Brown c->core_id = core_num; 3573c98d5d94SLen Brown p->package_id = pkg_num; 3574c98d5d94SLen Brown } 3575c98d5d94SLen Brown 3576c98d5d94SLen Brown 3577c98d5d94SLen Brown int initialize_counters(int cpu_id) 3578c98d5d94SLen Brown { 3579c98d5d94SLen Brown int my_thread_id, my_core_id, my_package_id; 3580c98d5d94SLen Brown 3581c98d5d94SLen Brown my_package_id = get_physical_package_id(cpu_id); 3582c98d5d94SLen Brown my_core_id = get_core_id(cpu_id); 3583e275b388SDasaratharaman Chandramouli my_thread_id = get_cpu_position_in_core(cpu_id); 3584e275b388SDasaratharaman Chandramouli if (!my_thread_id) 3585c98d5d94SLen Brown topo.num_cores++; 3586c98d5d94SLen Brown 3587c98d5d94SLen Brown init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3588c98d5d94SLen Brown init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3589c98d5d94SLen Brown return 0; 3590c98d5d94SLen Brown } 3591c98d5d94SLen Brown 3592c98d5d94SLen Brown void allocate_output_buffer() 3593c98d5d94SLen Brown { 35943b4d5c7fSAndy Shevchenko output_buffer = calloc(1, (1 + topo.num_cpus) * 1024); 3595c98d5d94SLen Brown outp = output_buffer; 3596b2c95d90SJosh Triplett if (outp == NULL) 3597b2c95d90SJosh Triplett err(-1, "calloc output buffer"); 3598c98d5d94SLen Brown } 359936229897SLen Brown void allocate_fd_percpu(void) 360036229897SLen Brown { 360136229897SLen Brown fd_percpu = calloc(topo.max_cpu_num, sizeof(int)); 360236229897SLen Brown if (fd_percpu == NULL) 360336229897SLen Brown err(-1, "calloc fd_percpu"); 360436229897SLen Brown } 3605562a2d37SLen Brown void allocate_irq_buffers(void) 3606562a2d37SLen Brown { 3607562a2d37SLen Brown irq_column_2_cpu = calloc(topo.num_cpus, sizeof(int)); 3608562a2d37SLen Brown if (irq_column_2_cpu == NULL) 3609562a2d37SLen Brown err(-1, "calloc %d", topo.num_cpus); 3610c98d5d94SLen Brown 3611562a2d37SLen Brown irqs_per_cpu = calloc(topo.max_cpu_num, sizeof(int)); 3612562a2d37SLen Brown if (irqs_per_cpu == NULL) 3613562a2d37SLen Brown err(-1, "calloc %d", topo.max_cpu_num); 3614562a2d37SLen Brown } 3615c98d5d94SLen Brown void setup_all_buffers(void) 3616c98d5d94SLen Brown { 3617c98d5d94SLen Brown topology_probe(); 3618562a2d37SLen Brown allocate_irq_buffers(); 361936229897SLen Brown allocate_fd_percpu(); 3620c98d5d94SLen Brown allocate_counters(&thread_even, &core_even, &package_even); 3621c98d5d94SLen Brown allocate_counters(&thread_odd, &core_odd, &package_odd); 3622c98d5d94SLen Brown allocate_output_buffer(); 3623c98d5d94SLen Brown for_all_proc_cpus(initialize_counters); 3624c98d5d94SLen Brown } 36253b4d5c7fSAndy Shevchenko 36267ce7d5deSPrarit Bhargava void set_base_cpu(void) 36277ce7d5deSPrarit Bhargava { 36287ce7d5deSPrarit Bhargava base_cpu = sched_getcpu(); 36297ce7d5deSPrarit Bhargava if (base_cpu < 0) 36307ce7d5deSPrarit Bhargava err(-ENODEV, "No valid cpus found"); 36317ce7d5deSPrarit Bhargava 36327ce7d5deSPrarit Bhargava if (debug > 1) 3633b7d8c148SLen Brown fprintf(outf, "base_cpu = %d\n", base_cpu); 36347ce7d5deSPrarit Bhargava } 36357ce7d5deSPrarit Bhargava 3636103a8feaSLen Brown void turbostat_init() 3637103a8feaSLen Brown { 36387ce7d5deSPrarit Bhargava setup_all_buffers(); 36397ce7d5deSPrarit Bhargava set_base_cpu(); 3640103a8feaSLen Brown check_dev_msr(); 364198481e79SLen Brown check_permissions(); 3642fcd17211SLen Brown process_cpuid(); 3643103a8feaSLen Brown 3644103a8feaSLen Brown 3645d8af6f5fSLen Brown if (debug) 36467f5c258eSLen Brown for_all_cpus(print_hwp, ODD_COUNTERS); 36477f5c258eSLen Brown 36487f5c258eSLen Brown if (debug) 3649889facbeSLen Brown for_all_cpus(print_epb, ODD_COUNTERS); 3650889facbeSLen Brown 3651d8af6f5fSLen Brown if (debug) 36523a9a941dSLen Brown for_all_cpus(print_perf_limit, ODD_COUNTERS); 36533a9a941dSLen Brown 3654d8af6f5fSLen Brown if (debug) 3655889facbeSLen Brown for_all_cpus(print_rapl, ODD_COUNTERS); 3656889facbeSLen Brown 3657889facbeSLen Brown for_all_cpus(set_temperature_target, ODD_COUNTERS); 3658889facbeSLen Brown 3659d8af6f5fSLen Brown if (debug) 3660889facbeSLen Brown for_all_cpus(print_thermal, ODD_COUNTERS); 36615a63426eSLen Brown 36625a63426eSLen Brown if (debug && do_irtl_snb) 36635a63426eSLen Brown print_irtl(); 3664103a8feaSLen Brown } 3665103a8feaSLen Brown 3666103a8feaSLen Brown int fork_it(char **argv) 3667103a8feaSLen Brown { 3668103a8feaSLen Brown pid_t child_pid; 3669d91bb17cSLen Brown int status; 3670d15cf7c1SLen Brown 3671d91bb17cSLen Brown status = for_all_cpus(get_counters, EVEN_COUNTERS); 3672d91bb17cSLen Brown if (status) 3673d91bb17cSLen Brown exit(status); 3674d15cf7c1SLen Brown /* clear affinity side-effect of get_counters() */ 3675d15cf7c1SLen Brown sched_setaffinity(0, cpu_present_setsize, cpu_present_set); 3676103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 3677103a8feaSLen Brown 3678103a8feaSLen Brown child_pid = fork(); 3679103a8feaSLen Brown if (!child_pid) { 3680103a8feaSLen Brown /* child */ 3681103a8feaSLen Brown execvp(argv[0], argv); 3682103a8feaSLen Brown } else { 3683103a8feaSLen Brown 3684103a8feaSLen Brown /* parent */ 3685b2c95d90SJosh Triplett if (child_pid == -1) 3686b2c95d90SJosh Triplett err(1, "fork"); 3687103a8feaSLen Brown 3688103a8feaSLen Brown signal(SIGINT, SIG_IGN); 3689103a8feaSLen Brown signal(SIGQUIT, SIG_IGN); 3690b2c95d90SJosh Triplett if (waitpid(child_pid, &status, 0) == -1) 3691b2c95d90SJosh Triplett err(status, "waitpid"); 3692103a8feaSLen Brown } 3693c98d5d94SLen Brown /* 3694c98d5d94SLen Brown * n.b. fork_it() does not check for errors from for_all_cpus() 3695c98d5d94SLen Brown * because re-starting is problematic when forking 3696c98d5d94SLen Brown */ 3697c98d5d94SLen Brown for_all_cpus(get_counters, ODD_COUNTERS); 3698103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 3699103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 3700c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 3701c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 3702c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 3703103a8feaSLen Brown 3704b7d8c148SLen Brown fprintf(outf, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); 3705b7d8c148SLen Brown 3706b7d8c148SLen Brown flush_output_stderr(); 3707103a8feaSLen Brown 3708d91bb17cSLen Brown return status; 3709103a8feaSLen Brown } 3710103a8feaSLen Brown 37113b4d5c7fSAndy Shevchenko int get_and_dump_counters(void) 37123b4d5c7fSAndy Shevchenko { 37133b4d5c7fSAndy Shevchenko int status; 37143b4d5c7fSAndy Shevchenko 37153b4d5c7fSAndy Shevchenko status = for_all_cpus(get_counters, ODD_COUNTERS); 37163b4d5c7fSAndy Shevchenko if (status) 37173b4d5c7fSAndy Shevchenko return status; 37183b4d5c7fSAndy Shevchenko 37193b4d5c7fSAndy Shevchenko status = for_all_cpus(dump_counters, ODD_COUNTERS); 37203b4d5c7fSAndy Shevchenko if (status) 37213b4d5c7fSAndy Shevchenko return status; 37223b4d5c7fSAndy Shevchenko 3723b7d8c148SLen Brown flush_output_stdout(); 37243b4d5c7fSAndy Shevchenko 37253b4d5c7fSAndy Shevchenko return status; 37263b4d5c7fSAndy Shevchenko } 37273b4d5c7fSAndy Shevchenko 3728d8af6f5fSLen Brown void print_version() { 3729ec53e594SLen Brown fprintf(outf, "turbostat version 4.12 5 Apr 2016" 3730d8af6f5fSLen Brown " - Len Brown <lenb@kernel.org>\n"); 3731d8af6f5fSLen Brown } 3732d8af6f5fSLen Brown 3733103a8feaSLen Brown void cmdline(int argc, char **argv) 3734103a8feaSLen Brown { 3735103a8feaSLen Brown int opt; 3736d8af6f5fSLen Brown int option_index = 0; 3737d8af6f5fSLen Brown static struct option long_options[] = { 3738d8af6f5fSLen Brown {"Counter", required_argument, 0, 'C'}, 3739d8af6f5fSLen Brown {"counter", required_argument, 0, 'c'}, 3740d8af6f5fSLen Brown {"Dump", no_argument, 0, 'D'}, 3741d8af6f5fSLen Brown {"debug", no_argument, 0, 'd'}, 3742d8af6f5fSLen Brown {"interval", required_argument, 0, 'i'}, 3743d8af6f5fSLen Brown {"help", no_argument, 0, 'h'}, 3744d8af6f5fSLen Brown {"Joules", no_argument, 0, 'J'}, 3745d8af6f5fSLen Brown {"MSR", required_argument, 0, 'M'}, 3746d8af6f5fSLen Brown {"msr", required_argument, 0, 'm'}, 3747b7d8c148SLen Brown {"out", required_argument, 0, 'o'}, 3748d8af6f5fSLen Brown {"Package", no_argument, 0, 'p'}, 3749d8af6f5fSLen Brown {"processor", no_argument, 0, 'p'}, 3750d8af6f5fSLen Brown {"Summary", no_argument, 0, 'S'}, 3751d8af6f5fSLen Brown {"TCC", required_argument, 0, 'T'}, 3752d8af6f5fSLen Brown {"version", no_argument, 0, 'v' }, 3753d8af6f5fSLen Brown {0, 0, 0, 0 } 3754d8af6f5fSLen Brown }; 3755103a8feaSLen Brown 3756103a8feaSLen Brown progname = argv[0]; 3757103a8feaSLen Brown 3758b7d8c148SLen Brown while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:o:PpST:v", 3759d8af6f5fSLen Brown long_options, &option_index)) != -1) { 3760103a8feaSLen Brown switch (opt) { 3761d8af6f5fSLen Brown case 'C': 3762d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_delta_offset64); 3763103a8feaSLen Brown break; 3764f9240813SLen Brown case 'c': 37658e180f3cSLen Brown sscanf(optarg, "%x", &extra_delta_offset32); 37668e180f3cSLen Brown break; 3767d8af6f5fSLen Brown case 'D': 3768d8af6f5fSLen Brown dump_only++; 37698e180f3cSLen Brown break; 3770d8af6f5fSLen Brown case 'd': 3771d8af6f5fSLen Brown debug++; 37722f32edf1SLen Brown break; 3773d8af6f5fSLen Brown case 'h': 3774d8af6f5fSLen Brown default: 3775d8af6f5fSLen Brown help(); 3776d8af6f5fSLen Brown exit(1); 3777d8af6f5fSLen Brown case 'i': 37782a0609c0SLen Brown { 37792a0609c0SLen Brown double interval = strtod(optarg, NULL); 37802a0609c0SLen Brown 37812a0609c0SLen Brown if (interval < 0.001) { 3782b7d8c148SLen Brown fprintf(outf, "interval %f seconds is too small\n", 37832a0609c0SLen Brown interval); 37842a0609c0SLen Brown exit(2); 37852a0609c0SLen Brown } 37862a0609c0SLen Brown 37872a0609c0SLen Brown interval_ts.tv_sec = interval; 37882a0609c0SLen Brown interval_ts.tv_nsec = (interval - interval_ts.tv_sec) * 1000000000; 37892a0609c0SLen Brown } 3790889facbeSLen Brown break; 37915c56be9aSDirk Brandewie case 'J': 37925c56be9aSDirk Brandewie rapl_joules++; 37935c56be9aSDirk Brandewie break; 3794d8af6f5fSLen Brown case 'M': 3795d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset64); 3796d8af6f5fSLen Brown break; 3797d8af6f5fSLen Brown case 'm': 3798d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset32); 3799d8af6f5fSLen Brown break; 3800b7d8c148SLen Brown case 'o': 3801b7d8c148SLen Brown outf = fopen_or_die(optarg, "w"); 3802b7d8c148SLen Brown break; 3803d8af6f5fSLen Brown case 'P': 3804d8af6f5fSLen Brown show_pkg_only++; 3805d8af6f5fSLen Brown break; 3806d8af6f5fSLen Brown case 'p': 3807d8af6f5fSLen Brown show_core_only++; 3808d8af6f5fSLen Brown break; 3809d8af6f5fSLen Brown case 'S': 3810d8af6f5fSLen Brown summary_only++; 3811d8af6f5fSLen Brown break; 3812d8af6f5fSLen Brown case 'T': 3813d8af6f5fSLen Brown tcc_activation_temp_override = atoi(optarg); 3814d8af6f5fSLen Brown break; 3815d8af6f5fSLen Brown case 'v': 3816d8af6f5fSLen Brown print_version(); 3817d8af6f5fSLen Brown exit(0); 3818d8af6f5fSLen Brown break; 3819103a8feaSLen Brown } 3820103a8feaSLen Brown } 3821103a8feaSLen Brown } 3822103a8feaSLen Brown 3823103a8feaSLen Brown int main(int argc, char **argv) 3824103a8feaSLen Brown { 3825b7d8c148SLen Brown outf = stderr; 3826b7d8c148SLen Brown 3827103a8feaSLen Brown cmdline(argc, argv); 3828103a8feaSLen Brown 3829d8af6f5fSLen Brown if (debug) 3830d8af6f5fSLen Brown print_version(); 3831103a8feaSLen Brown 3832103a8feaSLen Brown turbostat_init(); 3833103a8feaSLen Brown 38343b4d5c7fSAndy Shevchenko /* dump counters and exit */ 38353b4d5c7fSAndy Shevchenko if (dump_only) 38363b4d5c7fSAndy Shevchenko return get_and_dump_counters(); 38373b4d5c7fSAndy Shevchenko 3838103a8feaSLen Brown /* 3839103a8feaSLen Brown * if any params left, it must be a command to fork 3840103a8feaSLen Brown */ 3841103a8feaSLen Brown if (argc - optind) 3842103a8feaSLen Brown return fork_it(argv + optind); 3843103a8feaSLen Brown else 3844103a8feaSLen Brown turbostat_loop(); 3845103a8feaSLen Brown 3846103a8feaSLen Brown return 0; 3847103a8feaSLen Brown } 3848