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authorBharata B Rao <bharata@linux.vnet.ibm.com>2011-01-11 15:42:57 +0530
committerIngo Molnar <mingo@elte.hu>2011-01-18 15:09:40 +0100
commit8ecedd7a06d27a31dbb36fab88e2ba6e6edd43ca (patch)
treef4fea491abd21408f8c607fb91baf709122a54de /kernel/sched_autogroup.c
parentefe25c2c7b3a5d17b0c70987a758d8fe7af8e3d1 (diff)
sched: Display autogroup names in /proc/sched_debug
Add autogroup name to cfs_rq and tasks information to /proc/sched_debug. Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <20110111101257.GF4772@in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched_autogroup.c')
-rw-r--r--kernel/sched_autogroup.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/sched_autogroup.c b/kernel/sched_autogroup.c
index 32a723b8f84..938d52f80a2 100644
--- a/kernel/sched_autogroup.c
+++ b/kernel/sched_autogroup.c
@@ -231,6 +231,11 @@ void proc_sched_autogroup_show_task(struct task_struct *p, struct seq_file *m)
#ifdef CONFIG_SCHED_DEBUG
static inline int autogroup_path(struct task_group *tg, char *buf, int buflen)
{
+ int enabled = ACCESS_ONCE(sysctl_sched_autogroup_enabled);
+
+ if (!enabled || !tg->autogroup)
+ return 0;
+
return snprintf(buf, buflen, "%s-%ld", "/autogroup", tg->autogroup->id);
}
#endif /* CONFIG_SCHED_DEBUG */