diff options
Diffstat (limited to 'include/linux/perf_event.h')
| -rw-r--r-- | include/linux/perf_event.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 4f77b22d47be..011dcbdbccc2 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -410,6 +410,15 @@ struct pmu { */ size_t task_ctx_size; + /* + * PMU specific parts of task perf event context (i.e. ctx->task_ctx_data) + * can be synchronized using this function. See Intel LBR callstack support + * implementation and Perf core context switch handling callbacks for usage + * examples. + */ + void (*swap_task_ctx) (struct perf_event_context *prev, + struct perf_event_context *next); + /* optional */ /* * Set up pmu-private data structures for an AUX area |