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Diffstat (limited to 'Documentation/cpu-freq/intel-pstate.txt')
| -rw-r--r-- | Documentation/cpu-freq/intel-pstate.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/cpu-freq/intel-pstate.txt b/Documentation/cpu-freq/intel-pstate.txt index 7767ce6756be..655750743fb0 100644 --- a/Documentation/cpu-freq/intel-pstate.txt +++ b/Documentation/cpu-freq/intel-pstate.txt | |||
| @@ -41,6 +41,10 @@ controlling P state selection. These files have been added to | |||
| 41 | is supported by hardware that is in the turbo range. This number | 41 | is supported by hardware that is in the turbo range. This number |
| 42 | is independent of whether turbo has been disabled or not. | 42 | is independent of whether turbo has been disabled or not. |
| 43 | 43 | ||
| 44 | num_pstates: displays the number of pstates that are supported | ||
| 45 | by hardware. This number is independent of whether turbo has | ||
| 46 | been disabled or not. | ||
| 47 | |||
| 44 | For contemporary Intel processors, the frequency is controlled by the | 48 | For contemporary Intel processors, the frequency is controlled by the |
| 45 | processor itself and the P-states exposed to software are related to | 49 | processor itself and the P-states exposed to software are related to |
| 46 | performance levels. The idea that frequency can be set to a single | 50 | performance levels. The idea that frequency can be set to a single |