perf_counter: Add fork event

[karo-tx-linux.git] / include / linux / perf_counter.h

diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 37d5541d74cb01e33d8bb2f331bd569a4ac51b5a..380247bdb9180982654e7dc728fc8cc86031a1c5 100644 (file)
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -276,6 +276,14 @@ enum perf_event_type {
        PERF_EVENT_THROTTLE             = 5,
        PERF_EVENT_UNTHROTTLE           = 6,
 
+       /*
+        * struct {
+        *      struct perf_event_header        header;
+        *      u32                             pid, ppid;
+        * };
+        */
+       PERF_EVENT_FORK                 = 7,
+
        /*
         * When header.misc & PERF_EVENT_MISC_OVERFLOW the event_type field
         * will be PERF_RECORD_*
@@ -618,6 +626,7 @@ extern void perf_counter_munmap(unsigned long addr, unsigned long len,
                                unsigned long pgoff, struct file *file);
 
 extern void perf_counter_comm(struct task_struct *tsk);
+extern void perf_counter_fork(struct task_struct *tsk);
 
 extern void perf_counter_task_migration(struct task_struct *task, int cpu);
 
@@ -673,6 +682,7 @@ perf_counter_munmap(unsigned long addr, unsigned long len,
                    unsigned long pgoff, struct file *file)             { }
 
 static inline void perf_counter_comm(struct task_struct *tsk)          { }
+static inline void perf_counter_fork(struct task_struct *tsk)          { }
 static inline void perf_counter_init(void)                             { }
 static inline void perf_counter_task_migration(struct task_struct *task,
                                               int cpu)                 { }