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| author |   James Morris <james.l.morris@oracle.com> | 2014-07-17 02:10:27 +1000 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2014-07-17 02:10:27 +1000 |
| commit | bd89bb78f35fd175db7a9cfc504d789b6ca0f7b0 (patch) | |
| tree | dee9f8b31f3d6d2fb141541da88e1cc1329b017e /Documentation/cpu-freq/intel-pstate.txt | |
| parent | Merge commit 'v3.15' into next (diff) | |
| parent | Linux 3.16-rc5 (diff) | |
| download | linux-dev-bd89bb78f35fd175db7a9cfc504d789b6ca0f7b0.tar.xz linux-dev-bd89bb78f35fd175db7a9cfc504d789b6ca0f7b0.zip | |
Sync with the changes pushed by Serge in the last merge window.
Diffstat (limited to 'Documentation/cpu-freq/intel-pstate.txt')
| -rw-r--r-- | Documentation/cpu-freq/intel-pstate.txt | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/cpu-freq/intel-pstate.txt b/Documentation/cpu-freq/intel-pstate.txt index e742d21dbd96..a69ffe1d54d5 100644 --- a/Documentation/cpu-freq/intel-pstate.txt +++ b/Documentation/cpu-freq/intel-pstate.txt @@ -15,10 +15,13 @@ New sysfs files for controlling P state selection have been added to /sys/devices/system/cpu/intel_pstate/ max_perf_pct: limits the maximum P state that will be requested by - the driver stated as a percentage of the available performance. + the driver stated as a percentage of the available performance. The + available (P states) performance may be reduced by the no_turbo + setting described below. min_perf_pct: limits the minimum P state that will be requested by - the driver stated as a percentage of the available performance. + the driver stated as a percentage of the max (non-turbo) + performance level. no_turbo: limits the driver to selecting P states below the turbo frequency range. |