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>
diff --git a/kernel/fork.c b/kernel/fork.c
index b7d7a9f..f4466ca 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1412,12 +1412,12 @@
if (clone_flags & CLONE_VFORK) {
p->vfork_done = &vfork;
init_completion(&vfork);
- } else {
+ } else if (!(clone_flags & CLONE_VM)) {
/*
* vfork will do an exec which will call
* set_task_comm()
*/
- perf_counter_comm(p);
+ perf_counter_fork(p);
}
audit_finish_fork(p);