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| author | Ingo Molnar <mingo@elte.hu> | 2009-05-19 15:50:30 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-25 13:05:06 +0200 |
| commit | e4cbb4e3ac8b09fdb11e39e5a5611bfab0a7cd1a (patch) | |
| tree | 987f159fe3867781460c51e3363969efaeee2c8a /kernel/fork.c | |
| parent | perf top: Reduce display overhead (diff) | |
| download | linux-e4cbb4e3ac8b09fdb11e39e5a5611bfab0a7cd1a.tar.xz linux-e4cbb4e3ac8b09fdb11e39e5a5611bfab0a7cd1a.zip | |
perf_counter: Move child perfcounter init to after scheduler init
Initialize a task's perfcounters (inherit from parent, etc.) after
the child task's scheduler fields have been initialized already.
[ Impact: cleanup ]
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: John Kacur <jkacur@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index e72a09f5355b..675e01e9072a 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -984,7 +984,6 @@ static struct task_struct *copy_process(unsigned long clone_flags, goto fork_out; rt_mutex_init_task(p); - perf_counter_init_task(p); #ifdef CONFIG_PROVE_LOCKING DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled); @@ -1096,6 +1095,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, /* Perform scheduler related setup. Assign this task to a CPU. */ sched_fork(p, clone_flags); + perf_counter_init_task(p); if ((retval = audit_alloc(p))) goto bad_fork_cleanup_policy; |