perf: Register PMU implementations

[mv-sheeva.git] / include / linux / perf_event.h

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 09d048b52115bc86cfcc2f520490d2fbcd6c7554..ab72f56eb3722dd8c4ea2f028fd0c97e136c90ff 100644 (file)
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -561,6 +561,13 @@ struct perf_event;
  * struct pmu - generic performance monitoring unit
  */
 struct pmu {
+       struct list_head                entry;
+
+       /*
+        * Should return -ENOENT when the @event doesn't match this pmu
+        */
+       int (*event_init)               (struct perf_event *event);
+
        int (*enable)                   (struct perf_event *event);
        void (*disable)                 (struct perf_event *event);
        int (*start)                    (struct perf_event *event);
@@ -849,7 +856,8 @@ struct perf_output_handle {
  */
 extern int perf_max_events;
 
-extern struct pmu *hw_perf_event_init(struct perf_event *event);
+extern int perf_pmu_register(struct pmu *pmu);
+extern void perf_pmu_unregister(struct pmu *pmu);
 
 extern void perf_event_task_sched_in(struct task_struct *task);
 extern void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next);