diff options
| author | Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com> | 2024-05-09 13:39:47 +0300 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2024-05-16 04:50:16 +0300 |
| commit | 29fea61cd8d4d0e646022c0479aa35381cf1e990 (patch) | |
| tree | 7c226c4ab6e0c5443aa54db940ac342fd610c5f3 /tools | |
| parent | 4e7ee02300805d26d9731fd24c4de8e10a43ffea (diff) | |
| download | linux-29fea61cd8d4d0e646022c0479aa35381cf1e990.tar.xz | |
tools/power turbostat: Ignore pkg_cstate_limit when it is not available
When running in no-msr mode, the pkg_cstate_limit is not populated, thus
we use perf to determine if given pcstate counter is present on the
platform.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/power/x86/turbostat/turbostat.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index b45b2f494416..8cb18d42c189 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -7121,9 +7121,7 @@ void cstate_perf_init_(bool soft_c1) const bool counter_needed = BIC_IS_ENABLED(cai->bic) || (soft_c1 && (cai->flags & CSTATE_COUNTER_FLAG_SOFT_C1_DEPENDENCY)); - const bool counter_supported = - (platform->supported_cstates & cai->feature_mask) && - (pkg_cstate_limit >= cai->pkg_cstate_limit); + const bool counter_supported = (platform->supported_cstates & cai->feature_mask); if (counter_needed && counter_supported) { /* Use perf API for this counter */ @@ -7132,7 +7130,8 @@ void cstate_perf_init_(bool soft_c1) cci->source[cai->rci_index] = CSTATE_SOURCE_PERF; /* User MSR for this counter */ - } else if (!no_msr && cai->msr && probe_msr(cpu, cai->msr) == 0) { + } else if (!no_msr && cai->msr && pkg_cstate_limit >= cai->pkg_cstate_limit + && probe_msr(cpu, cai->msr) == 0) { cci->source[cai->rci_index] = CSTATE_SOURCE_MSR; cci->msr[cai->rci_index] = cai->msr; } |