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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-05-31 12:37:30 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-06-01 09:27:16 +0200 |
| commit | e51fd5e22e12b39f49b1bb60b37b300b17378a43 (patch) | |
| tree | 391500ff509dc30991db38e3d54eaccfe385d1cb /tools/perf | |
| parent | 54e88fad223c4e1d94289611a90c7fe3ebe5631b (diff) | |
| download | blackbird-op-linux-e51fd5e22e12b39f49b1bb60b37b300b17378a43.tar.gz blackbird-op-linux-e51fd5e22e12b39f49b1bb60b37b300b17378a43.zip | |
sched: Fix wake_affine() vs RT tasks
Mike reports that since e9e9250b (sched: Scale down cpu_power due to RT
tasks), wake_affine() goes funny on RT tasks due to them still having a
!0 weight and wake_affine() still subtracts that from the rq weight.
Since nobody should be using se->weight for RT tasks, set the value to
zero. Also, since we now use ->cpu_power to normalize rq weights to
account for RT cpu usage, add that factor into the imbalance computation.
Reported-by: Mike Galbraith <efault@gmx.de>
Tested-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1275316109.27810.22969.camel@twins>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf')
0 files changed, 0 insertions, 0 deletions
