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| author | Peng Liu <liupeng17@lenovo.com> | 2023-10-07 08:46:22 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-05-17 13:14:42 +0300 |
| commit | e3252b99a528253938d6436b53d21a0a7c533461 (patch) | |
| tree | dd8b438ead391b72cad21aa206399ad8af5ddb5b /tools/power/x86/turbostat | |
| parent | 265bf31776f81b91f51a217e7bfdaa2bdd01a3c7 (diff) | |
| download | linux-e3252b99a528253938d6436b53d21a0a7c533461.tar.xz | |
tools/power turbostat: Fix Bzy_MHz documentation typo
[ Upstream commit 0b13410b52c4636aacb6964a4253a797c0fa0d16 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools/power/x86/turbostat')
| -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. |