diff options
| author | Vatika Harlalka <[email protected]> | 2015-09-01 16:50:59 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2015-09-02 10:33:22 +0200 |
| commit | 9642d18eee2cd169b60c6ac0f20bda745b5a3d1e (patch) | |
| tree | 11ba961bc1366fd72d9ec7f732488f1574d15281 /tools/perf/scripts/python/stackcollapse.py | |
| parent | e713c80a4e49d4bed5324d24755e42bf01c87556 (diff) | |
nohz: Affine unpinned timers to housekeepers
The problem addressed in this patch is about affining unpinned
timers. Adaptive or Full Dynticks CPUs are currently disturbed
by unnecessary jitter due to firing of such timers on them.
This patch will affine timers to online CPUs which are not full
dynticks in NOHZ_FULL configured systems. It should not
introduce overhead in nohz full off case due to static keys.
Signed-off-by: Vatika Harlalka <[email protected]>
Signed-off-by: Frederic Weisbecker <[email protected]>
Reviewed-by: Preeti U Murthy <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Cc: Chris Metcalf <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions