diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /tools/power/x86/turbostat | |
parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'tools/power/x86/turbostat')
-rw-r--r-- | tools/power/x86/turbostat/turbostat.c | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index bde0ef1a6..0dac7e05a 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -75,6 +75,7 @@ unsigned int aperf_mperf_multiplier = 1; int do_smi; double bclk; double base_hz; +unsigned int has_base_hz; double tsc_tweak = 1.0; unsigned int show_pkg; unsigned int show_core; @@ -96,6 +97,7 @@ unsigned int do_ring_perf_limit_reasons; unsigned int crystal_hz; unsigned long long tsc_hz; int base_cpu; +double discover_bclk(unsigned int family, unsigned int model); #define RAPL_PKG (1 << 0) /* 0x610 MSR_PKG_POWER_LIMIT */ @@ -511,9 +513,13 @@ int format_counters(struct thread_data *t, struct core_data *c, } /* Bzy_MHz */ - if (has_aperf) - outp += sprintf(outp, "%8.0f", - 1.0 * t->tsc * tsc_tweak / units * t->aperf / t->mperf / interval_float); + if (has_aperf) { + if (has_base_hz) + outp += sprintf(outp, "%8.0f", base_hz / units * t->aperf / t->mperf); + else + outp += sprintf(outp, "%8.0f", + 1.0 * t->tsc / units * t->aperf / t->mperf / interval_float); + } /* TSC_MHz */ outp += sprintf(outp, "%8.0f", 1.0 * t->tsc/units/interval_float); @@ -1158,12 +1164,6 @@ int phi_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, static void calculate_tsc_tweak() { - unsigned long long msr; - unsigned int base_ratio; - - get_msr(base_cpu, MSR_NHM_PLATFORM_INFO, &msr); - base_ratio = (msr >> 8) & 0xFF; - base_hz = base_ratio * bclk * 1000000; tsc_tweak = base_hz / tsc_hz; } @@ -1173,9 +1173,9 @@ dump_nhm_platform_info(void) unsigned long long msr; unsigned int ratio; - get_msr(base_cpu, MSR_NHM_PLATFORM_INFO, &msr); + get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); - fprintf(stderr, "cpu%d: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr); + fprintf(stderr, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr); ratio = (msr >> 40) & 0xFF; fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency frequency\n", @@ -1440,7 +1440,7 @@ dump_config_tdp(void) get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr); fprintf(stderr, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr); - fprintf(stderr, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0xEF); + fprintf(stderr, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0x7F); fprintf(stderr, " lock=%d", (unsigned int)(msr >> 31) & 1); fprintf(stderr, ")\n"); } @@ -1807,7 +1807,7 @@ void check_permissions() * * MSR_SMI_COUNT 0x00000034 * - * MSR_NHM_PLATFORM_INFO 0x000000ce + * MSR_PLATFORM_INFO 0x000000ce * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2 * * MSR_PKG_C3_RESIDENCY 0x000003f8 @@ -1821,6 +1821,7 @@ void check_permissions() int probe_nhm_msrs(unsigned int family, unsigned int model) { unsigned long long msr; + unsigned int base_ratio; int *pkg_cstate_limits; if (!genuine_intel) @@ -1829,6 +1830,8 @@ int probe_nhm_msrs(unsigned int family, unsigned int model) if (family != 6) return 0; + bclk = discover_bclk(family, model); + switch (model) { case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */ case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ @@ -1871,9 +1874,13 @@ int probe_nhm_msrs(unsigned int family, unsigned int model) return 0; } get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); - pkg_cstate_limit = pkg_cstate_limits[msr & 0xF]; + get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); + base_ratio = (msr >> 8) & 0xFF; + + base_hz = base_ratio * bclk * 1000000; + has_base_hz = 1; return 1; } int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model) @@ -2780,7 +2787,6 @@ void process_cpuid() do_skl_residency = has_skl_msrs(family, model); do_slm_cstates = is_slm(family, model); do_knl_cstates = is_knl(family, model); - bclk = discover_bclk(family, model); rapl_probe(family, model); perf_limit_reasons_probe(family, model); |