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| author | Bharata B Rao <bharata@linux.vnet.ibm.com> | 2011-01-11 15:42:57 +0530 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-01-18 15:09:40 +0100 |
| commit | 8ecedd7a06d27a31dbb36fab88e2ba6e6edd43ca (patch) | |
| tree | f4fea491abd21408f8c607fb91baf709122a54de /kernel/sched_autogroup.c | |
| parent | efe25c2c7b3a5d17b0c70987a758d8fe7af8e3d1 (diff) | |
| download | lwn-8ecedd7a06d27a31dbb36fab88e2ba6e6edd43ca.tar.gz lwn-8ecedd7a06d27a31dbb36fab88e2ba6e6edd43ca.zip | |
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.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/sched_autogroup.c b/kernel/sched_autogroup.c index 32a723b8f84c..938d52f80a2d 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 */ |