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tools/power turbostat: decode MSR_IA32_POWER_CTL 

When verbose is enabled, print the C1E-Enable
bit in MSR_IA32_POWER_CTL.

also delete some redundant tests on the verbose variable.

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown 2013-01-31 15:22:15 -05:00
parent 70b43400bc
commit 6792041834
2 changed files with 9 additions and 6 deletions
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2
arch/x86/include/uapi/asm/msr-index.h
View File

@ -103,6 +103,8 @@
#define DEBUGCTLMSR_BTS_OFF_USR (1UL << 10)
#define DEBUGCTLMSR_FREEZE_LBRS_ON_PMI (1UL << 11)
#define MSR_IA32_POWER_CTL 0x000001fc
#define MSR_IA32_MC0_CTL 0x00000400
#define MSR_IA32_MC0_STATUS 0x00000401
#define MSR_IA32_MC0_ADDR 0x00000402

13
tools/power/x86/turbostat/turbostat.c
View File

@ -908,8 +908,7 @@ void print_verbose_header(void)
get_msr(0, MSR_NHM_PLATFORM_INFO, &msr);
if (verbose)
fprintf(stderr, "cpu0: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", msr);
fprintf(stderr, "cpu0: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", msr);
ratio = (msr >> 40) & 0xFF;
fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency\n",
@ -919,13 +918,16 @@ void print_verbose_header(void)
fprintf(stderr, "%d * %.0f = %.0f MHz TSC frequency\n",
ratio, bclk, ratio * bclk);
get_msr(0, MSR_IA32_POWER_CTL, &msr);
fprintf(stderr, "cpu0: MSR_IA32_POWER_CTL: 0x%08llx (C1E: %sabled)\n",
msr, msr & 0x2 ? "EN" : "DIS");
if (!do_ivt_turbo_ratio_limit)
goto print_nhm_turbo_ratio_limits;
get_msr(0, MSR_IVT_TURBO_RATIO_LIMIT, &msr);
if (verbose)
fprintf(stderr, "cpu0: MSR_IVT_TURBO_RATIO_LIMIT: 0x%08llx\n", msr);
fprintf(stderr, "cpu0: MSR_IVT_TURBO_RATIO_LIMIT: 0x%08llx\n", msr);
ratio = (msr >> 56) & 0xFF;
if (ratio)
@ -1016,8 +1018,7 @@ print_nhm_turbo_ratio_limits:
get_msr(0, MSR_NHM_TURBO_RATIO_LIMIT, &msr);
if (verbose)
fprintf(stderr, "cpu0: MSR_NHM_TURBO_RATIO_LIMIT: 0x%08llx\n", msr);
fprintf(stderr, "cpu0: MSR_NHM_TURBO_RATIO_LIMIT: 0x%08llx\n", msr);
ratio = (msr >> 56) & 0xFF;
if (ratio)