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| author |   Peter Zijlstra <peterz@infradead.org> | 2024-05-27 14:06:50 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2024-07-29 12:22:36 +0200 |
| commit | 557a6bfc662c4d560f909b78adb1270c9862efa8 (patch) | |
| tree | 9a562bf3a4404f4583b8ee3f3755c0fd102f8cd7 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | sched/core: Clear prev->dl_server in CFS pick fast path (diff) | |
| download | wireguard-linux-557a6bfc662c4d560f909b78adb1270c9862efa8.tar.xz wireguard-linux-557a6bfc662c4d560f909b78adb1270c9862efa8.zip | |
sched/fair: Add trivial fair server
Use deadline servers to service fair tasks.
This patch adds a fair_server deadline entity which acts as a container
for fair entities and can be used to fix starvation when higher priority
(wrt fair) tasks are monopolizing CPU(s).
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Juri Lelli <juri.lelli@redhat.com>
Link: https://lore.kernel.org/r/b6b0bcefaf25391bcf5b6ecdb9f1218de402d42e.1716811044.git.bristot@kernel.org
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
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