diff options
Diffstat (limited to 'tools/power/cpupower/utils')
-rw-r--r-- | tools/power/cpupower/utils/helpers/cpuid.c | 6 | ||||
-rw-r--r-- | tools/power/cpupower/utils/helpers/helpers.h | 9 | ||||
-rw-r--r-- | tools/power/cpupower/utils/helpers/misc.c | 12 | ||||
-rw-r--r-- | tools/power/cpupower/utils/helpers/msr.c | 23 |
4 files changed, 9 insertions, 41 deletions
diff --git a/tools/power/cpupower/utils/helpers/cpuid.c b/tools/power/cpupower/utils/helpers/cpuid.c index a97f091..906895d 100644 --- a/tools/power/cpupower/utils/helpers/cpuid.c +++ b/tools/power/cpupower/utils/helpers/cpuid.c @@ -131,6 +131,12 @@ out: } if (cpu_info->vendor == X86_VENDOR_INTEL) { + if (cpuid_level >= 6 && + (cpuid_eax(6) & (1 << 1))) + cpu_info->caps |= CPUPOWER_CAP_INTEL_IDA; + } + + if (cpu_info->vendor == X86_VENDOR_INTEL) { /* Intel's perf-bias MSR support */ if (cpuid_level >= 6 && (cpuid_ecx(6) & (1 << 3))) cpu_info->caps |= CPUPOWER_CAP_PERF_BIAS; diff --git a/tools/power/cpupower/utils/helpers/helpers.h b/tools/power/cpupower/utils/helpers/helpers.h index 9125a55..592ee36 100644 --- a/tools/power/cpupower/utils/helpers/helpers.h +++ b/tools/power/cpupower/utils/helpers/helpers.h @@ -58,6 +58,7 @@ enum cpupower_cpu_vendor {X86_VENDOR_UNKNOWN = 0, X86_VENDOR_INTEL, #define CPUPOWER_CAP_PERF_BIAS 0x00000008 #define CPUPOWER_CAP_HAS_TURBO_RATIO 0x00000010 #define CPUPOWER_CAP_IS_SNB 0x00000011 +#define CPUPOWER_CAP_INTEL_IDA 0x00000012 #define MAX_HW_PSTATES 10 @@ -115,9 +116,6 @@ extern int msr_intel_set_perf_bias(unsigned int cpu, unsigned int val); extern int msr_intel_get_perf_bias(unsigned int cpu); extern unsigned long long msr_intel_get_turbo_ratio(unsigned int cpu); -extern int msr_intel_has_boost_support(unsigned int cpu); -extern int msr_intel_boost_is_active(unsigned int cpu); - /* Read/Write msr ****************************/ /* PCI stuff ****************************/ @@ -163,11 +161,6 @@ static inline int msr_intel_get_perf_bias(unsigned int cpu) static inline unsigned long long msr_intel_get_turbo_ratio(unsigned int cpu) { return 0; }; -static inline int msr_intel_has_boost_support(unsigned int cpu) -{ return -1; }; -static inline int msr_intel_boost_is_active(unsigned int cpu) -{ return -1; }; - /* Read/Write msr ****************************/ static inline int cpufreq_has_boost_support(unsigned int cpu, int *support, diff --git a/tools/power/cpupower/utils/helpers/misc.c b/tools/power/cpupower/utils/helpers/misc.c index e8b3140..1609243 100644 --- a/tools/power/cpupower/utils/helpers/misc.c +++ b/tools/power/cpupower/utils/helpers/misc.c @@ -20,16 +20,8 @@ int cpufreq_has_boost_support(unsigned int cpu, int *support, int *active, if (ret <= 0) return ret; *support = 1; - } else if (cpupower_cpu_info.vendor == X86_VENDOR_INTEL) { - ret = msr_intel_has_boost_support(cpu); - if (ret <= 0) - return ret; - *support = ret; - ret = msr_intel_boost_is_active(cpu); - if (ret <= 0) - return ret; - *active = ret; - } + } else if (cpupower_cpu_info.caps & CPUPOWER_CAP_INTEL_IDA) + *support = *active = 1; return 0; } #endif /* #if defined(__i386__) || defined(__x86_64__) */ diff --git a/tools/power/cpupower/utils/helpers/msr.c b/tools/power/cpupower/utils/helpers/msr.c index 7869ca6..31a4b24 100644 --- a/tools/power/cpupower/utils/helpers/msr.c +++ b/tools/power/cpupower/utils/helpers/msr.c @@ -72,29 +72,6 @@ int write_msr(int cpu, unsigned int idx, unsigned long long val) return -1; } -int msr_intel_has_boost_support(unsigned int cpu) -{ - unsigned long long misc_enables; - int ret; - - ret = read_msr(cpu, MSR_IA32_MISC_ENABLES, &misc_enables); - if (ret) - return ret; - - return (misc_enables >> 38) & 0x1; -} - -int msr_intel_boost_is_active(unsigned int cpu) -{ - unsigned long long perf_status; - int ret; - - ret = read_msr(cpu, MSR_IA32_PERF_STATUS, &perf_status); - if (ret) - return ret; - return (perf_status >> 32) & 0x1; -} - int msr_intel_get_perf_bias(unsigned int cpu) { unsigned long long val; |