Commit 939fd731 authored Jun 25, 2013 by Kamalesh Babulal Committed by Ingo Molnar Jun 27, 2013

sched/debug: Add load-tracking statistics to task



At present we print per-entity load-tracking statistics for
cfs_rq of cgroups/runqueues. Given that per task statistics
is maintained, it can be used to know the contribution made
by the task to its parenting cfs_rq level.

This patch adds per-task load-tracking statistics to /proc/<PID>/sched.

Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20130625080336.GA20175@linux.vnet.ibm.com


Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent a9dc5d0e

kernel/sched/debug.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -566,6 +566,12 @@ void proc_sched_show_task(struct task_struct p, struct seq_file m)
		"nr_involuntary_switches", (long long)p->nivcsw);

		P(se.load.weight);
		#if defined(CONFIG_SMP) && defined(CONFIG_FAIR_GROUP_SCHED)
		P(se.avg.runnable_avg_sum);
		P(se.avg.runnable_avg_period);
		P(se.avg.load_avg_contrib);
		P(se.avg.decay_count);
		#endif
		P(policy);
		P(prio);
		#undef PN

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