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-rw-r--r--include/linux/perf_event.h31
1 files changed, 17 insertions, 14 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 40150f345982..4f1279e105ee 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -850,6 +850,7 @@ struct perf_event_context {
850 int nr_active; 850 int nr_active;
851 int is_active; 851 int is_active;
852 int nr_stat; 852 int nr_stat;
853 int rotate_disable;
853 atomic_t refcount; 854 atomic_t refcount;
854 struct task_struct *task; 855 struct task_struct *task;
855 856
@@ -886,6 +887,7 @@ struct perf_cpu_context {
886 int exclusive; 887 int exclusive;
887 struct list_head rotation_list; 888 struct list_head rotation_list;
888 int jiffies_interval; 889 int jiffies_interval;
890 struct pmu *active_pmu;
889}; 891};
890 892
891struct perf_output_handle { 893struct perf_output_handle {
@@ -908,20 +910,6 @@ extern int perf_num_counters(void);
908extern const char *perf_pmu_name(void); 910extern const char *perf_pmu_name(void);
909extern void __perf_event_task_sched_in(struct task_struct *task); 911extern void __perf_event_task_sched_in(struct task_struct *task);
910extern void __perf_event_task_sched_out(struct task_struct *task, struct task_struct *next); 912extern void __perf_event_task_sched_out(struct task_struct *task, struct task_struct *next);
911
912extern atomic_t perf_task_events;
913
914static inline void perf_event_task_sched_in(struct task_struct *task)
915{
916 COND_STMT(&perf_task_events, __perf_event_task_sched_in(task));
917}
918
919static inline
920void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next)
921{
922 COND_STMT(&perf_task_events, __perf_event_task_sched_out(task, next));
923}
924
925extern int perf_event_init_task(struct task_struct *child); 913extern int perf_event_init_task(struct task_struct *child);
926extern void perf_event_exit_task(struct task_struct *child); 914extern void perf_event_exit_task(struct task_struct *child);
927extern void perf_event_free_task(struct task_struct *task); 915extern void perf_event_free_task(struct task_struct *task);
@@ -1030,6 +1018,21 @@ have_event:
1030 __perf_sw_event(event_id, nr, nmi, regs, addr); 1018 __perf_sw_event(event_id, nr, nmi, regs, addr);
1031} 1019}
1032 1020
1021extern atomic_t perf_task_events;
1022
1023static inline void perf_event_task_sched_in(struct task_struct *task)
1024{
1025 COND_STMT(&perf_task_events, __perf_event_task_sched_in(task));
1026}
1027
1028static inline
1029void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next)
1030{
1031 perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, 1, NULL, 0);
1032
1033 COND_STMT(&perf_task_events, __perf_event_task_sched_out(task, next));
1034}
1035
1033extern void perf_event_mmap(struct vm_area_struct *vma); 1036extern void perf_event_mmap(struct vm_area_struct *vma);
1034extern struct perf_guest_info_callbacks *perf_guest_cbs; 1037extern struct perf_guest_info_callbacks *perf_guest_cbs;
1035extern int perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks); 1038extern int perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks);