diff options
| author | Stephane Eranian <eranian@google.com> | 2019-04-08 20:32:51 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-04-16 13:19:34 +0300 |
| commit | c68d224e5ed15605e651e2482c6ffd95915ddf58 (patch) | |
| tree | 6d922a68c8af79dd81c32893a30b94a2d62d7875 /include/linux/perf_event.h | |
| parent | cc8670945d43f857dcb99c61ea3beaacfb6ed472 (diff) | |
| download | linux-c68d224e5ed15605e651e2482c6ffd95915ddf58.tar.xz | |
perf/core: Add perf_pmu_resched() as global function
This patch add perf_pmu_resched() a global function that can be called
to force rescheduling of events for a given PMU. The function locks
both cpuctx and task_ctx internally. This will be used by a subsequent
patch.
Signed-off-by: Stephane Eranian <eranian@google.com>
[ Simplified the calling convention. ]
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: kan.liang@intel.com
Cc: nelson.dsouza@intel.com
Cc: tonyj@suse.com
Link: https://lkml.kernel.org/r/20190408173252.37932-2-eranian@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/perf_event.h')
| -rw-r--r-- | include/linux/perf_event.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 085a95e2582a..f3864e1c5569 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -888,6 +888,9 @@ extern void perf_sched_cb_dec(struct pmu *pmu); extern void perf_sched_cb_inc(struct pmu *pmu); extern int perf_event_task_disable(void); extern int perf_event_task_enable(void); + +extern void perf_pmu_resched(struct pmu *pmu); + extern int perf_event_refresh(struct perf_event *event, int refresh); extern void perf_event_update_userpage(struct perf_event *event); extern int perf_event_release_kernel(struct perf_event *event); |