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authorHao Jia <jiahao.os@bytedance.com>2023-03-16 11:18:06 +0300
committerPeter Zijlstra <peterz@infradead.org>2023-03-22 12:10:58 +0300
commit530bfad1d53d103f98cec66a3e491a36d397884d (patch)
treed770ca67d960ed90c160e70f733a430ed0f5b1a6 /tools/perf/scripts/python/export-to-postgresql.py
parentd91e15a21d4b3823ce93a42b05f0d171689f4e6a (diff)
downloadlinux-530bfad1d53d103f98cec66a3e491a36d397884d.tar.xz
sched/core: Avoid selecting the task that is throttled to run when core-sched enable
When {rt, cfs}_rq or dl task is throttled, since cookied tasks are not dequeued from the core tree, So sched_core_find() and sched_core_next() may return throttled task, which may cause throttled task to run on the CPU. So we add checks in sched_core_find() and sched_core_next() to make sure that the return is a runnable task that is not throttled. Co-developed-by: Cruz Zhao <CruzZhao@linux.alibaba.com> Signed-off-by: Cruz Zhao <CruzZhao@linux.alibaba.com> Signed-off-by: Hao Jia <jiahao.os@bytedance.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20230316081806.69544-1-jiahao.os@bytedance.com
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