From dd242ab6a557900fd45fc43c753dac2e032d5429 Mon Sep 17 00:00:00 2001 From: wangxiaodong Date: Sun, 21 Jun 2026 10:25:03 +0800 Subject: [PATCH] Documentation: admin-guide: cpufreq: fix sampling_rate example command The example shell command for setting ondemand's sampling_rate wraps an arithmetic expansion $((...)) in command-substitution backticks. The arithmetic result is then executed as a command, which fails and writes an empty value. Drop the surrounding backticks so the computed value is passed to echo as intended. Fixes: e54ac586674d ("cpufreq: editing corrections to cpufreq.rst") Signed-off-by: wangxiaodong Reviewed-by: Randy Dunlap Reviewed-by: Zhongqiu Han [ rjw: Subject tweak ] Link: https://patch.msgid.link/20260621022515.10137-1-wangxiaodong827546786@gmail.com Signed-off-by: Rafael J. Wysocki --- Documentation/admin-guide/pm/cpufreq.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/admin-guide/pm/cpufreq.rst b/Documentation/admin-guide/pm/cpufreq.rst index 8831cface585..34baf20cc202 100644 --- a/Documentation/admin-guide/pm/cpufreq.rst +++ b/Documentation/admin-guide/pm/cpufreq.rst @@ -497,7 +497,7 @@ This governor exposes the following tunables: represented by it to be 1.5 times as high as the transition latency (the default):: - # echo `$(($(cat cpuinfo_transition_latency) * 3 / 2))` > ondemand/sampling_rate + # echo $(($(cat cpuinfo_transition_latency) * 3 / 2)) > ondemand/sampling_rate ``up_threshold`` If the estimated CPU load is above this value (in percent), the governor