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perf_counter: Move child perfcounter init to after scheduler init

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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>
This commit is contained in:
Ingo Molnar 2009-05-19 15:50:30 +02:00
parent d94b943054
commit e4cbb4e3ac
1 changed files with 1 additions and 1 deletions
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2
kernel/fork.c
View file

@ -984,7 +984,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
goto fork_out; goto fork_out;
rt_mutex_init_task(p); rt_mutex_init_task(p);
perf_counter_init_task(p);
#ifdef CONFIG_PROVE_LOCKING #ifdef CONFIG_PROVE_LOCKING
DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled); 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. */ /* Perform scheduler related setup. Assign this task to a CPU. */
sched_fork(p, clone_flags); sched_fork(p, clone_flags);
perf_counter_init_task(p);
if ((retval = audit_alloc(p))) if ((retval = audit_alloc(p)))
goto bad_fork_cleanup_policy; goto bad_fork_cleanup_policy;