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author Patrick J Volkerding <volkerdi@slackware.com>2018-08-28 22:05:19 +0000
committer Eric Hameleers <alien@slackware.com>2018-08-29 09:00:38 +0200
commit38dfc4aa131a87735dfc8629c3394c7d2670e9d5 (patch)
treeb34469310a5bc67af355f7145a9dd2cd6e59495c /source/a/sysvinit-scripts/scripts/rc.cpufreq
parentb70192b9212452c9cca2049c9e718ea7d88dd765 (diff)
downloadcurrent-20180828220519.tar.gz
current-20180828220519.tar.xz
Tue Aug 28 22:05:19 UTC 201820180828220519
a/sysvinit-scripts-2.1-noarch-18.txz: Rebuilt. rc.cpufreq: for CPUs that use intel_pstate, default to the performance governor. The performance governor provides power savings while avoiding the ramp-up lag caused by using "ondemand", which defaults to "powersave" on these systems. Thanks to EdGr. d/bison-3.1-x86_64-1.txz: Upgraded.
Diffstat (limited to 'source/a/sysvinit-scripts/scripts/rc.cpufreq')
-rw-r--r--source/a/sysvinit-scripts/scripts/rc.cpufreq8
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 cafcb66ae..24adb8d92 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