diff options
| author |   Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-06-04 16:53:44 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2009-06-04 17:51:38 +0200 |
| commit | 60313ebed739b331e8e61079da27a11ee3b73a30 (patch) | |
| tree | 8476fbd05be709595876360765776dd9ca20608d /include | |
| parent | perf stat: Update help text (diff) | |
| download | linux-dev-60313ebed739b331e8e61079da27a11ee3b73a30.tar.xz linux-dev-60313ebed739b331e8e61079da27a11ee3b73a30.zip | |
perf_counter: Add fork event
Create a fork event so that we can easily clone the comm and
dso maps without having to generate all those events.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/perf_counter.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h index 37d5541d74cb..380247bdb918 100644 --- a/include/linux/perf_counter.h +++ b/include/linux/perf_counter.h @@ -277,6 +277,14 @@ enum perf_event_type { 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) { } |