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Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/cpu-freq/governors.txt | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/cpu-freq/governors.txt b/Documentation/cpu-freq/governors.txt index 3732ec16287..2ed766ec75f 100644 --- a/Documentation/cpu-freq/governors.txt +++ b/Documentation/cpu-freq/governors.txt @@ -260,7 +260,17 @@ Default is 99%. above_hispeed_delay: When speed is at or above hispeed_freq, wait for this long before raising speed in response to continued high load. -Default is 20000 uS. +The format is a single delay value, optionally followed by pairs of +CPU speeds and the delay to use at or above those speeds. Colons can +be used between the speeds and associated delays for readability. For +example: + + 80000 1300000:200000 1500000:40000 + +uses delay 80000 uS until CPU speed 1.3 GHz, at which speed delay +200000 uS is used until speed 1.5 GHz, at which speed (and above) +delay 40000 uS is used. If speeds are specified these must appear in +ascending order. Default is 20000 uS. timer_rate: Sample rate for reevaluating CPU load when the CPU is not idle. A deferrable timer is used, such that the CPU will not be woken |