diff options
Diffstat (limited to 'source/a/sysvinit-scripts/scripts/rc.cpufreq')
-rw-r--r-- | source/a/sysvinit-scripts/scripts/rc.cpufreq | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/source/a/sysvinit-scripts/scripts/rc.cpufreq b/source/a/sysvinit-scripts/scripts/rc.cpufreq index cafcb66a..24adb8d9 100644 --- a/source/a/sysvinit-scripts/scripts/rc.cpufreq +++ b/source/a/sysvinit-scripts/scripts/rc.cpufreq @@ -29,6 +29,14 @@ # also provides information about the recent load. SCALING_GOVERNOR=ondemand +# For CPUs using intel_pstate, always use the performance governor. This also +# provides power savings on Intel processors while avoiding the ramp-up lag +# present when using the powersave governor (which is the default if ondemand +# is requested on these machines): +if [ "$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver)" = "intel_pstate" ]; then + SCALING_GOVERNOR="performance" +fi + # If rc.cpufreq is given an option, use it for the CPU scaling governor instead: if [ ! -z "$1" -a "$1" != "start" ]; then SCALING_GOVERNOR=$1 |