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| author | Thomas Gleixner <tglx@linutronix.de> | 2021-09-28 14:24:25 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-10-05 15:52:11 +0200 |
| commit | 691925f3ddccea832cf2d162dc277d2623a816e3 (patch) | |
| tree | b9c8a83cf7208a3bc1f18f726be956e6d579e5c9 /tools/perf/scripts/python/stackcollapse.py | |
| parent | 8d491de6edc27138806cae6e8eca455beb325b62 (diff) | |
| download | linux-691925f3ddccea832cf2d162dc277d2623a816e3.tar.gz linux-691925f3ddccea832cf2d162dc277d2623a816e3.tar.bz2 linux-691925f3ddccea832cf2d162dc277d2623a816e3.zip | |
sched: Limit the number of task migrations per batch on RT
Batched task migrations are a source for large latencies as they keep the
scheduler from running while processing the migrations.
Limit the batch size to 8 instead of 32 when running on a RT enabled
kernel.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20210928122411.425097596@linutronix.de
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions