diff options
| author | Sai Charan Gurrappadi <sgurrappadi@nvidia.com> | 2012-07-25 08:41:53 -0700 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2012-08-24 19:19:26 -0700 |
| commit | 679350c95726bc6696e3fdfcdc85c658d88f660c (patch) | |
| tree | 00523eaf03154de3c8f4f97573e419384d40af73 /drivers/cpuquiet | |
| parent | a1c9f879ab8da0c4fc0a9c75791de5ada0a2ffba (diff) | |
cpuquiet: Add notifiers for the runnables governor
The governor stops sampling whenever the device is busy and starts its
sampling loop when the device is free.
Change-Id: Ifdae4a84e56c2734be48e49f6112b537602a02da
Signed-off-by: Sai Charan Gurrappadi <sgurrappadi@nvidia.com>
Reviewed-on: http://git-master/r/124680
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Diffstat (limited to 'drivers/cpuquiet')
| -rw-r--r-- | drivers/cpuquiet/governors/runnable_threads.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/cpuquiet/governors/runnable_threads.c b/drivers/cpuquiet/governors/runnable_threads.c index a44abe9b25f2..44cf308befcf 100644 --- a/drivers/cpuquiet/governors/runnable_threads.c +++ b/drivers/cpuquiet/governors/runnable_threads.c @@ -186,6 +186,22 @@ static int runnables_sysfs(void) return err; } +static void runnables_device_busy(void) +{ + if (runnables_state != DISABLED) { + runnables_state = DISABLED; + cancel_delayed_work_sync(&runnables_work); + } +} + +static void runnables_device_free(void) +{ + if (runnables_state == DISABLED) { + runnables_state = IDLE; + runnables_work_func(NULL); + } +} + static void runnables_stop(void) { runnables_state = DISABLED; @@ -228,6 +244,8 @@ static int runnables_start(void) struct cpuquiet_governor runnables_governor = { .name = "runnable", .start = runnables_start, + .device_free_notification = runnables_device_free, + .device_busy_notification = runnables_device_busy, .stop = runnables_stop, .owner = THIS_MODULE, }; |