On 10/03/2013 12:33 PM, Viresh Kumar wrote:
On 26 September 2013 13:58, Daniel Lezcano <[email protected]> wrote:
Yes, certainly and that will impact also the menu select governor function:
...
/*
* We want to default to C1 (hlt), not to busy polling
* unless the timer is happening really really soon.
*/
if (data->expected_us > 5 &&
!drv->states[CPUIDLE_DRIVER_STATE_START].disabled &&
dev->states_usage[CPUIDLE_DRIVER_STATE_START].disable == 0)
data->last_state_idx = CPUIDLE_DRIVER_STATE_START;
/*
* Find the idle state with the lowest power while satisfying
* our constraints.
*/
for (i = CPUIDLE_DRIVER_STATE_START; i < drv->state_count; i++) {
struct cpuidle_state *s = &drv->states[i];
struct cpuidle_state_usage *su = &dev->states_usage[i];
if (s->disabled || su->disable)
continue;
if (s->target_residency > data->predicted_us)
continue;
if (s->exit_latency > latency_req)
continue;
if (s->exit_latency * multiplier > data->predicted_us)
continue;
data->last_state_idx = i;
data->exit_us = s->exit_latency;
}
Hmm.. For now I will repost this patch as is and then you can go ahead
for this bigger change.. I wouldn't be able to do this change now, as I
would be rushing for my 2 weeks vacations :)
If this patch looked okay to you, can you please Ack it ?
Acked-by: Daniel Lezcano <[email protected]>
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