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| author | Yan, Zheng <zheng.z.yan@intel.com> | 2012-06-15 14:31:33 +0800 |
|---|---|---|
| committer | Simon Shields <keepcalm444@gmail.com> | 2016-12-13 00:14:52 +1100 |
| commit | ab5cf14fb4432d2550896d37e77aa88c335ce9b8 (patch) | |
| tree | 766ebdd36a300789219202229fabf597bc83c364 /include/linux/perf_event.h | |
| parent | 55306f62c769cba0a97465b04790b8b9fbdce907 (diff) | |
| download | kernel_samsung_smdk4412-ab5cf14fb4432d2550896d37e77aa88c335ce9b8.zip kernel_samsung_smdk4412-ab5cf14fb4432d2550896d37e77aa88c335ce9b8.tar.gz kernel_samsung_smdk4412-ab5cf14fb4432d2550896d37e77aa88c335ce9b8.tar.bz2 | |
BACKPORT: perf: Introduce perf_pmu_migrate_context()
Originally from Peter Zijlstra. The helper migrates perf events
from one cpu to another cpu.
Conflicts (perf: Fix race in removing an event):
kernel/events/core.c
Change-Id: I7885fe36c9e2803b10477d556163197085be3d19
Signed-off-by: Zheng Yan <zheng.z.yan@intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1339741902-8449-5-git-send-email-zheng.z.yan@intel.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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index e4d3640..42dc246 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -979,6 +979,8 @@ perf_event_create_kernel_counter(struct perf_event_attr *attr, int cpu, struct task_struct *task, perf_overflow_handler_t callback); +extern void perf_pmu_migrate_context(struct pmu *pmu, + int src_cpu, int dst_cpu); extern u64 perf_event_read_value(struct perf_event *event, u64 *enabled, u64 *running); |