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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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0c4b83da58
David Miller reported that hrtick update overhead has tripled the wakeup overhead on Sparc64. That is too much - disable the HRTICK feature for now by default, until a faster implementation is found. Reported-by: David Miller <davem@davemloft.net> Acked-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
15 lines
401 B
C
15 lines
401 B
C
SCHED_FEAT(NEW_FAIR_SLEEPERS, 1)
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SCHED_FEAT(NORMALIZED_SLEEPER, 1)
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SCHED_FEAT(WAKEUP_PREEMPT, 1)
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SCHED_FEAT(START_DEBIT, 1)
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SCHED_FEAT(AFFINE_WAKEUPS, 1)
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SCHED_FEAT(CACHE_HOT_BUDDY, 1)
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SCHED_FEAT(SYNC_WAKEUPS, 1)
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SCHED_FEAT(HRTICK, 0)
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SCHED_FEAT(DOUBLE_TICK, 0)
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SCHED_FEAT(ASYM_GRAN, 1)
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SCHED_FEAT(LB_BIAS, 1)
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SCHED_FEAT(LB_WAKEUP_UPDATE, 1)
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SCHED_FEAT(ASYM_EFF_LOAD, 1)
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SCHED_FEAT(WAKEUP_OVERLAP, 0)
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