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| author | Peng Liu <liupeng17@lenovo.com> | 2023-10-07 08:46:22 +0300 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2024-01-12 21:43:19 +0300 |
| commit | 0b13410b52c4636aacb6964a4253a797c0fa0d16 (patch) | |
| tree | 602bb722aa85bdd1729c07a911e6236343570f66 /tools/power | |
| parent | 3ac1d14d0583a2de75d49a5234d767e2590384dd (diff) | |
| download | linux-0b13410b52c4636aacb6964a4253a797c0fa0d16.tar.xz | |
tools/power turbostat: Fix Bzy_MHz documentation typo
The code calculates Bzy_MHz by multiplying TSC_delta * APERF_delta/MPERF_delta
The man page erroneously showed that TSC_delta was divided.
Signed-off-by: Peng Liu <liupeng17@lenovo.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'tools/power')
| -rw-r--r-- | tools/power/x86/turbostat/turbostat.8 | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8 index 8f08c3fd498d..1ba6340d3b3d 100644 --- a/tools/power/x86/turbostat/turbostat.8 +++ b/tools/power/x86/turbostat/turbostat.8 @@ -370,7 +370,7 @@ below the processor's base frequency. Busy% = MPERF_delta/TSC_delta -Bzy_MHz = TSC_delta/APERF_delta/MPERF_delta/measurement_interval +Bzy_MHz = TSC_delta*APERF_delta/MPERF_delta/measurement_interval Note that these calculations depend on TSC_delta, so they are not reliable during intervals when TSC_MHz is not running at the base frequency. |