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Diffstat (limited to 'Documentation/cpu-freq/governors.txt')
| -rw-r--r-- | Documentation/cpu-freq/governors.txt | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/Documentation/cpu-freq/governors.txt b/Documentation/cpu-freq/governors.txt index 51b1cd3..963a543 100644 --- a/Documentation/cpu-freq/governors.txt +++ b/Documentation/cpu-freq/governors.txt @@ -225,11 +225,32 @@ frequency before ramping down. This is to ensure that the governor has seen enough historic cpu load data to determine the appropriate workload. Default is 80000 uS. -go_maxspeed_load: The CPU load at which to ramp to max speed. Default -is 85. +hispeed_freq: An intermediate "hi speed" at which to initially ramp +when CPU load hits the value specified in go_hispeed_load. If load +stays high for the amount of time specified in above_hispeed_delay, +then speed may be bumped higher. Default is maximum speed. + +go_hispeed_load: The CPU load at which to ramp to the intermediate "hi +speed". Default is 85%. + +above_hispeed_delay: Once speed is set to hispeed_freq, wait for this +long before bumping speed higher in response to continued high load. +Default is 20000 uS. timer_rate: Sample rate for reevaluating cpu load when the system is -not idle. Default is 30000 uS. +not idle. Default is 20000 uS. + +input_boost: If non-zero, boost speed of all CPUs to hispeed_freq on +touchscreen activity. Default is 0. + +boost: If non-zero, immediately boost speed of all CPUs to at least +hispeed_freq until zero is written to this attribute. If zero, allow +CPU speeds to drop below hispeed_freq according to load as usual. + +boostpulse: Immediately boost speed of all CPUs to hispeed_freq for +min_sample_time, after which speeds are allowed to drop below +hispeed_freq according to load as usual. + 3. The Governor Interface in the CPUfreq Core ============================================= |