diff options
| author |   Len Brown <len.brown@intel.com> | 2022-05-31 17:29:13 -1000 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2022-07-28 14:23:26 -0400 |
| commit | 4af184ee8b2c0a69a038483ba605510203bf015b (patch) | |
| tree | 9e429bb224d154170b00052af946ffe772ca996c /tools/power | |
| parent | tools/power turbostat: simplify dump_turbo_ratio_limits() (diff) | |
| download | linux-dev-4af184ee8b2c0a69a038483ba605510203bf015b.tar.xz linux-dev-4af184ee8b2c0a69a038483ba605510203bf015b.zip | |
tools/power turbostat: dump secondary Turbo-Ratio-Limit
Intel Performance Hybrid processors have a 2nd MSR
describing the turbo limits enforced on the Ecores.
Note, TRL and Secondary-TRL are usually R/O information,
but on overclock-capable parts, they can be written.
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'tools/power')
| -rw-r--r-- | tools/power/x86/turbostat/turbostat.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 5d3c40ad0cb1..7b291a2912d6 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -2529,13 +2529,14 @@ int has_turbo_ratio_group_limits(int family, int model) } } -static void dump_turbo_ratio_limits(int family, int model) +static void dump_turbo_ratio_limits(int trl_msr_offset, int family, int model) { unsigned long long msr, core_counts; int shift; - get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); - fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr); + get_msr(base_cpu, trl_msr_offset, &msr); + fprintf(outf, "cpu%d: MSR_%sTURBO_RATIO_LIMIT: 0x%08llx\n", + base_cpu, trl_msr_offset == MSR_SECONDARY_TURBO_RATIO_LIMIT ? "SECONDARY" : "", msr); if (has_turbo_ratio_group_limits(family, model)) { get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &core_counts); @@ -4073,8 +4074,12 @@ static void dump_cstate_pstate_config_info(unsigned int family, unsigned int mod if (has_ivt_turbo_ratio_limit(family, model)) dump_ivt_turbo_ratio_limits(); - if (has_turbo_ratio_limit(family, model)) - dump_turbo_ratio_limits(family, model); + if (has_turbo_ratio_limit(family, model)) { + dump_turbo_ratio_limits(MSR_TURBO_RATIO_LIMIT, family, model); + + if (is_hybrid) + dump_turbo_ratio_limits(MSR_SECONDARY_TURBO_RATIO_LIMIT, family, model); + } if (has_atom_turbo_ratio_limit(family, model)) dump_atom_turbo_ratio_limits(); |