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| author | Bharata B Rao <bharata@linux.vnet.ibm.com> | 2011-01-11 11:12:57 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-01-18 15:09:40 +0100 |
| commit | 8ecedd7a06d27a31dbb36fab88e2ba6e6edd43ca (patch) | |
| tree | f4fea491abd21408f8c607fb91baf709122a54de /kernel | |
| parent | sched: Reinstate group names in /proc/sched_debug (diff) | |
| download | linux-8ecedd7a06d27a31dbb36fab88e2ba6e6edd43ca.tar.xz linux-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')
| -rw-r--r-- | kernel/sched_autogroup.c | 5 | ||||
| -rw-r--r-- | kernel/sched_debug.c | 3 |
2 files changed, 8 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 */ diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c index 4d36f3726da7..e4d37259d490 100644 --- a/kernel/sched_debug.c +++ b/kernel/sched_debug.c @@ -93,6 +93,9 @@ static char group_path[PATH_MAX]; static char *task_group_path(struct task_group *tg) { + if (autogroup_path(tg, group_path, PATH_MAX)) + return group_path; + /* * May be NULL if the underlying cgroup isn't fully-created yet */ |