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| author |   Yan, Zheng <zheng.z.yan@intel.com> | 2012-06-15 14:31:33 +0800 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2012-06-18 12:13:21 +0200 |
| commit | 0cda4c023132aa93f2dd94811061f812e88daf4c (patch) | |
| tree | a8190d6f16124450a633eb22007c80cf25a0937f /include/linux/perf_event.h | |
| parent | perf: Allow the PMU driver to choose the CPU on which to install events (diff) | |
| download | linux-dev-0cda4c023132aa93f2dd94811061f812e88daf4c.tar.xz linux-dev-0cda4c023132aa93f2dd94811061f812e88daf4c.zip | |
perf: Introduce perf_pmu_migrate_context()
Originally from Peter Zijlstra. The helper migrates perf events
from one cpu to another cpu.
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 1ce887abcc5c..76c5c8b724a7 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -1107,6 +1107,8 @@ perf_event_create_kernel_counter(struct perf_event_attr *attr, struct task_struct *task, perf_overflow_handler_t callback, void *context); +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); |