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Commit 8ecedd7a authored Jan 11, 2011 by Bharata B Rao Committed by Ingo Molnar Jan 18, 2011

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>

parent efe25c2c

kernel/sched_autogroup.c

+5 −0

Original line number	Original line	Diff line number	Diff line
	@@ -231,6 +231,11 @@ void proc_sched_autogroup_show_task(struct task_struct p, struct seq_file m)
	#ifdef CONFIG_SCHED_DEBUG		#ifdef CONFIG_SCHED_DEBUG
	static inline int autogroup_path(struct task_group tg, char buf, int buflen)		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);		return snprintf(buf, buflen, "%s-%ld", "/autogroup", tg->autogroup->id);
	}		}
	#endif /* CONFIG_SCHED_DEBUG */		#endif /* CONFIG_SCHED_DEBUG */

kernel/sched_debug.c

+3 −0

Original line number	Original line	Diff line number	Diff line
	@@ -93,6 +93,9 @@ static char group_path[PATH_MAX];

	static char task_group_path(struct task_group tg)		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		* May be NULL if the underlying cgroup isn't fully-created yet
	*/		*/