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| author | Vincent Guittot <[email protected]> | 2023-04-11 09:06:11 +0000 |
|---|---|---|
| committer | Peter Zijlstra <[email protected]> | 2023-04-12 14:46:30 +0000 |
| commit | 91dcf1e8068e9a8823e419a7a34ff4341275fb70 (patch) | |
| tree | ef17c6282989ffebc78319863054b07d189fd18a /tools/perf/scripts/python/libxed.py | |
| parent | Linux 6.3-rc6 (diff) | |
| download | kernel-91dcf1e8068e9a8823e419a7a34ff4341275fb70.tar.gz kernel-91dcf1e8068e9a8823e419a7a34ff4341275fb70.zip | |
sched/fair: Fix imbalance overflow
When local group is fully busy but its average load is above system load,
computing the imbalance will overflow and local group is not the best
target for pulling this load.
Fixes: 0b0695f2b34a ("sched/fair: Rework load_balance()")
Reported-by: Tingjia Cao <[email protected]>
Signed-off-by: Vincent Guittot <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Tested-by: Tingjia Cao <[email protected]>
Link: https://lore.kernel.org/lkml/CABcWv9_DAhVBOq2=W=2ypKE9dKM5s2DvoV8-U0+GDwwuKZ89jQ@mail.gmail.com/T/
Diffstat (limited to 'tools/perf/scripts/python/libxed.py')
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