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Merge branch 'pm-cpu'

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* pm-cpu:
  x86: remove duplicate turbo ratio limit MSRs
  tools/power turbostat: Replace MSR_NHM_TURBO_RATIO_LIMIT
  cpufreq: intel_pstate: Replace MSR_NHM_TURBO_RATIO_LIMIT
This commit is contained in:
Rafael J. Wysocki 2016-07-25 13:46:30 +02:00
commit bc841e260c
4 changed files with 4 additions and 6 deletions
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2
arch/x86/include/asm/msr-index.h
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@ -64,8 +64,6 @@
#define MSR_OFFCORE_RSP_0 0x000001a6
#define MSR_OFFCORE_RSP_1 0x000001a7
#define MSR_NHM_TURBO_RATIO_LIMIT 0x000001ad
#define MSR_IVT_TURBO_RATIO_LIMIT 0x000001ae
#define MSR_TURBO_RATIO_LIMIT 0x000001ad
#define MSR_TURBO_RATIO_LIMIT1 0x000001ae
#define MSR_TURBO_RATIO_LIMIT2 0x000001af

4
drivers/cpufreq/intel_pstate.c
View File

@ -972,7 +972,7 @@ static int core_get_turbo_pstate(void)
u64 value;
int nont, ret;
rdmsrl(MSR_NHM_TURBO_RATIO_LIMIT, value);
rdmsrl(MSR_TURBO_RATIO_LIMIT, value);
nont = core_get_max_pstate();
ret = (value) & 255;
if (ret <= nont)
@ -1001,7 +1001,7 @@ static int knl_get_turbo_pstate(void)
u64 value;
int nont, ret;
rdmsrl(MSR_NHM_TURBO_RATIO_LIMIT, value);
rdmsrl(MSR_TURBO_RATIO_LIMIT, value);
nont = core_get_max_pstate();
ret = (((value) >> 8) & 0xFF);
if (ret <= nont)

2
tools/power/x86/turbostat/turbostat.8
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@ -123,7 +123,7 @@ cpu0: MSR_NHM_PLATFORM_INFO: 0x80838f3012300
35 * 100 = 3500 MHz TSC frequency
cpu0: MSR_IA32_POWER_CTL: 0x0004005d (C1E auto-promotion: DISabled)
cpu0: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x1e000400 (UNdemote-C3, UNdemote-C1, demote-C3, demote-C1, UNlocked: pkg-cstate-limit=0: pc0)
cpu0: MSR_NHM_TURBO_RATIO_LIMIT: 0x25262727
cpu0: MSR_TURBO_RATIO_LIMIT: 0x25262727
37 * 100 = 3700 MHz max turbo 4 active cores
38 * 100 = 3800 MHz max turbo 3 active cores
39 * 100 = 3900 MHz max turbo 2 active cores

2
tools/power/x86/turbostat/turbostat.c
View File

@ -1480,7 +1480,7 @@ dump_knl_turbo_ratio_limits(void)
unsigned int cores[buckets_no];
unsigned int ratio[buckets_no];
get_msr(base_cpu, MSR_NHM_TURBO_RATIO_LIMIT, &msr);
get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr);
fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n",
base_cpu, msr);