diff --git a/README.md b/README.md index 6eb63f20..67209090 100644 --- a/README.md +++ b/README.md @@ -835,6 +835,18 @@ Anything older *may* work. Note: Using the library and its headers in C++03 is supported. C++11 is only required to build the library. +## Disable CPU frequency scaling +If you see this error: +``` +***WARNING*** CPU scaling is enabled, the benchmark real time measurements may be noisy and will incur extra overhead. +``` +you might want to disable the CPU frequency scaling while running the benchmark: +```bash +sudo cpupower frequency-set --governor performance +./mybench +sudo cpupower frequency-set --governor powersave +``` + # Known Issues ### Windows