From: Patryk Wlazlyn Date: Tue, 9 Jul 2024 12:46:20 +0000 (+0200) Subject: tools/power turbostat: Add perf added counter example to turbostat.8 X-Git-Tag: v6.12~781^2~10 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9f50066b0dd47cff045ba6da37e6def52783ba55;p=platform%2Fkernel%2Flinux-amlogic.git tools/power turbostat: Add perf added counter example to turbostat.8 We had few lines about the feature, but without any complete examples. Signed-off-by: Patryk Wlazlyn Signed-off-by: Len Brown --- diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8 index 8a21e9b56071..71ae2d5159ad 100644 --- a/tools/power/x86/turbostat/turbostat.8 +++ b/tools/power/x86/turbostat/turbostat.8 @@ -336,6 +336,24 @@ CPU PRF_CTRL .fi +.SH ADD PERF COUNTER EXAMPLE +Here we limit turbostat to showing just the CPU number for cpu0 - cpu3. +We add a counter showing time spent in C1 core cstate, +labeling it with the column header, "pCPU%c1", and display it only once, +after the conclusion of 0.1 second sleep. +We also show CPU%c1 built-in counter that should show similar values. +.nf +sudo ./turbostat --quiet --cpu 0-3 --show CPU,CPU%c1 --add perf/cstate_core/c1-residency,cpu,delta,percent,pCPU%c1 sleep .1 +0.102448 sec +CPU pCPU%c1 CPU%c1 +- 34.89 34.89 +0 45.99 45.99 +1 45.94 45.94 +2 23.83 23.83 +3 23.84 23.84 + +.fi + .SH INPUT For interval-mode, turbostat will immediately end the current interval