diff options
| author | Dave Jones <davej@redhat.com> | 2011-03-11 15:33:26 -0500 |
|---|---|---|
| committer | Dave Jones <davej@redhat.com> | 2011-03-11 15:33:26 -0500 |
| commit | 5fe2a08dea0e35ba4d17e59fc3c778e1acfc95a0 (patch) | |
| tree | 69e0e92ee6ddaca272a8c3437197d7a40dc82dfd | |
| parent | 963298eea1b8ee97315b99e2c98163a8b11c283c (diff) | |
Some more IDA decoding
| -rw-r--r-- | Intel/Intel.h | 1 | ||||
| -rw-r--r-- | Intel/MSR-IDA.c | 19 |
2 files changed, 18 insertions, 2 deletions
diff --git a/Intel/Intel.h b/Intel/Intel.h index 838e6a4..d6e86b3 100644 --- a/Intel/Intel.h +++ b/Intel/Intel.h @@ -25,5 +25,6 @@ extern void Identify_Intel_family15(struct cpudata *cpu); #define MSR_IA32_THERM_STATUS 0x19c #define MSR_PM_THERM2_CTL 0x19d #define MSR_IA32_MISC_ENABLE 0x1a0 +#define MSR_IA32_ENERGY_PERF_BIAS 0x1b0 #endif /* _INTEL_H */ diff --git a/Intel/MSR-IDA.c b/Intel/MSR-IDA.c index 235f992..f6072b5 100644 --- a/Intel/MSR-IDA.c +++ b/Intel/MSR-IDA.c @@ -22,7 +22,8 @@ void dump_IDA_MSRs(struct cpudata *cpu) if (cpu->cpuid_level < 6) return; - cpuid_count(cpu->number, 6, 0, &eax, &ebx, &ecx, &edx); + cpuid(cpu->number, 6, &eax, &ebx, &ecx, &edx); + printf("Dynamic Acceleration MSRs:\n"); printf(" Opportunistic performance operation "); if ((eax & (1 << 1)) == 1) @@ -38,5 +39,19 @@ void dump_IDA_MSRs(struct cpudata *cpu) return; } - printf("\n"); + if (read_msr(cpu->number, MSR_IA32_PERF_CTL, &val) != 1) + return; + printf(" IA32_PERF_CTL: "); + if ((val & (1L << 32)) == 1) { + printf("IDA/Turbo DISENGAGE=1, "); + } + printf("EIST Transition target: 0x%x\n", (unsigned int) val & 0xff); + + + if (ecx & (1 << 3)) { /* SETBH present ? */ + if (read_msr(cpu->number, MSR_IA32_ENERGY_PERF_BIAS, &val) != 1) + return; + printf(" IA32_ENERGY_PERF_BIAS: "); + printf("hint=%d\n", (unsigned int) val & 0xf); + } } |