diff options
Diffstat (limited to 'Documentation/cpu-freq')
| -rw-r--r-- | Documentation/cpu-freq/intel-pstate.txt | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/cpu-freq/intel-pstate.txt b/Documentation/cpu-freq/intel-pstate.txt index e6bd1e6512a5..5528d6d59687 100644 --- a/Documentation/cpu-freq/intel-pstate.txt +++ b/Documentation/cpu-freq/intel-pstate.txt @@ -122,11 +122,12 @@ will run at is selected by the processor itself. Tuning Intel P-State driver -When HWP mode is not used, debugfs files have also been added to allow the -tuning of the internal governor algorithm. These files are located at -/sys/kernel/debug/pstate_snb/. The algorithm uses a PID (Proportional -Integral Derivative) controller. The PID tunable parameters are: +When the performance can be tuned using PID (Proportional Integral +Derivative) controller, debugfs files are provided for adjusting performance. +They are presented under: +/sys/kernel/debug/pstate_snb/ +The PID tunable parameters are: deadband d_gain_pct i_gain_pct |