From 7c9e7aafe14c2ad63e7a93c0345071acefd62a58 Mon Sep 17 00:00:00 2001 From: Max Xu Date: Mon, 8 Jan 2018 20:02:34 +0800 Subject: [PATCH] cpufreq-aperf: add page (#1865) --- pages/linux/cpufreq-aperf.md | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 pages/linux/cpufreq-aperf.md diff --git a/pages/linux/cpufreq-aperf.md b/pages/linux/cpufreq-aperf.md new file mode 100644 index 0000000000..f18f3e3c3f --- /dev/null +++ b/pages/linux/cpufreq-aperf.md @@ -0,0 +1,20 @@ +# cpufreq-aperf + +> Calculate the average CPU frequency over a time period. +> Requires root privileges. + +- Start calculating, defaulting to all CPU cores and 1 second refresh interval: + +`sudo cpufreq-aperf` + +- Start calculating for CPU 1 only: + +`sudo cpufreq-aperf -c {{1}}` + +- Start calculating with a 3 seconds refresh interval for all CPU cores: + +`sudo cpufreq-aperf -i {{3}}` + +- Calculate only once: + +`sudo cpufreq-aperf -o`