Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

[cascardo/linux.git] / include / linux / perf_event.h

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 8adf70e..f325786 100644 (file)
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1084,8 +1084,10 @@ extern void perf_pmu_unregister(struct pmu *pmu);
 
 extern int perf_num_counters(void);
 extern const char *perf_pmu_name(void);
-extern void __perf_event_task_sched(struct task_struct *prev,
-                                   struct task_struct *next);
+extern void __perf_event_task_sched_in(struct task_struct *prev,
+                                      struct task_struct *task);
+extern void __perf_event_task_sched_out(struct task_struct *prev,
+                                       struct task_struct *next);
 extern int perf_event_init_task(struct task_struct *child);
 extern void perf_event_exit_task(struct task_struct *child);
 extern void perf_event_free_task(struct task_struct *task);
@@ -1205,13 +1207,20 @@ perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
 
 extern struct static_key_deferred perf_sched_events;
 
-static inline void perf_event_task_sched(struct task_struct *prev,
+static inline void perf_event_task_sched_in(struct task_struct *prev,
                                            struct task_struct *task)
+{
+       if (static_key_false(&perf_sched_events.key))
+               __perf_event_task_sched_in(prev, task);
+}
+
+static inline void perf_event_task_sched_out(struct task_struct *prev,
+                                            struct task_struct *next)
 {
        perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, NULL, 0);
 
        if (static_key_false(&perf_sched_events.key))
-               __perf_event_task_sched(prev, task);
+               __perf_event_task_sched_out(prev, next);
 }
 
 extern void perf_event_mmap(struct vm_area_struct *vma);
@@ -1286,8 +1295,11 @@ extern void perf_event_disable(struct perf_event *event);
 extern void perf_event_task_tick(void);
 #else
 static inline void
-perf_event_task_sched(struct task_struct *prev,
-                     struct task_struct *task)                         { }
+perf_event_task_sched_in(struct task_struct *prev,
+                        struct task_struct *task)                      { }
+static inline void
+perf_event_task_sched_out(struct task_struct *prev,
+                         struct task_struct *next)                     { }
 static inline int perf_event_init_task(struct task_struct *child)      { return 0; }
 static inline void perf_event_exit_task(struct task_struct *child)     { }
 static inline void perf_event_free_task(struct task_struct *task)      { }