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| author | Peter Zijlstra <peterz@infradead.org> | 2024-11-29 13:15:41 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2024-12-09 13:48:13 +0300 |
| commit | 2a77e4be12cb58bbf774e7c717c8bb80e128b7a4 (patch) | |
| tree | 54ed38b9bc900235dbf85151e445a73172cb788a /tools/perf/scripts/python/stackcollapse.py | |
| parent | 95d9fed3a2aea85fe9551c2f007e186d4abb4a2a (diff) | |
| download | linux-2a77e4be12cb58bbf774e7c717c8bb80e128b7a4.tar.xz | |
sched/fair: Untangle NEXT_BUDDY and pick_next_task()
There are 3 sites using set_next_buddy() and only one is conditional
on NEXT_BUDDY, the other two sites are unconditional; to note:
- yield_to_task()
- cgroup dequeue / pick optimization
However, having NEXT_BUDDY control both the wakeup-preemption and the
picking side of things means its near useless.
Fixes: 147f3efaa241 ("sched/fair: Implement an EEVDF-like scheduling policy")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20241129101541.GA33464@noisy.programming.kicks-ass.net
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
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