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| author |   Yafang Shao <laoar.shao@gmail.com> | 2025-01-03 10:24:06 +0800 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2025-01-13 14:10:25 +0100 |
| commit | 8722903cbb8f0d51057fbf9ef1c680756b74119e (patch) | |
| tree | 7dabad538e408c65a8c4eae1f24d3b8dab138394 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | sched/fair: Do not compute overloaded status unnecessarily during lb (diff) | |
| download | wireguard-linux-8722903cbb8f0d51057fbf9ef1c680756b74119e.tar.xz wireguard-linux-8722903cbb8f0d51057fbf9ef1c680756b74119e.zip | |
sched: Define sched_clock_irqtime as static key
Since CPU time accounting is a performance-critical path, let's define
sched_clock_irqtime as a static key to minimize potential overhead.
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Michal Koutný <mkoutny@suse.com>
Reviewed-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20250103022409.2544-2-laoar.shao@gmail.com
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions