diff options
| author | Allen Martin <amartin@nvidia.com> | 2011-06-30 23:54:07 -0700 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:38:52 -0800 |
| commit | 66821d56b03f6a9e8eb84a65836b6f01ebf4e556 (patch) | |
| tree | 9b7ec2017a376a3b99fe3527ed7015d03d502312 /Documentation/cpu-freq | |
| parent | 6da168643910cde533b1e10ca1454fa8fdc0e088 (diff) | |
Documentation: cpufreq: add description of timer_rate
Add description of timer_rate tunable and clean up some
typos.
Change-Id: I4b96a36aad51eed3bef0ee5f571dc6e0a94c8dd9
Signed-off-by: Allen Martin <amartin@nvidia.com>
Diffstat (limited to 'Documentation/cpu-freq')
| -rw-r--r-- | Documentation/cpu-freq/governors.txt | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/cpu-freq/governors.txt b/Documentation/cpu-freq/governors.txt index e891e5180731..51b1cd360c33 100644 --- a/Documentation/cpu-freq/governors.txt +++ b/Documentation/cpu-freq/governors.txt @@ -215,10 +215,10 @@ to MAX speed. If the cpu was not sufficiently busy to immediately ramp to MAX speed, then governor evaluates the cpu load since the last speed adjustment, -choosing th highest value between that longer-term load or the +choosing the highest value between that longer-term load or the short-term load since idle exit to determine the cpu speed to ramp to. -The tuneable value for this governor are: +The tuneable values for this governor are: min_sample_time: The minimum amount of time to spend at the current frequency before ramping down. This is to ensure that the governor has @@ -228,6 +228,8 @@ workload. Default is 80000 uS. go_maxspeed_load: The CPU load at which to ramp to max speed. Default is 85. +timer_rate: Sample rate for reevaluating cpu load when the system is +not idle. Default is 30000 uS. 3. The Governor Interface in the CPUfreq Core ============================================= |