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| author | Zhen Lei <thunder.leizhen@huawei.com> | 2022-11-19 17:25:05 +0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2023-01-05 12:21:11 -0800 |
| commit | 7c182722a0a9447e31f9645de4f311e5bc59b480 (patch) | |
| tree | c394fb7c54824a6bf0eb8c7c45115a73d17ad675 /mm | |
| parent | 3ca0a6ea8f6de0f21a9331ff3596a9c073fbdab0 (diff) | |
sched: Add helper nr_context_switches_cpu()
Add a function nr_context_switches_cpu() that returns number of context
switches since boot on the specified CPU. This information will be used
to diagnose RCU CPU stalls.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Ben Segall <bsegall@google.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Daniel Bristot de Oliveira <bristot@redhat.com>
Cc: Valentin Schneider <vschneid@redhat.com>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions