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sched/debug: Add load-tracking statistics to task

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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>
(cherry picked from commit 939fd731eb)

Signed-off-by: Jon Medhurst <tixy@linaro.org>
This commit is contained in:
Kamalesh Babulal
2013-06-25 13:33:36 +05:30
committed by Jon Medhurst
parent 9a0758156e
commit 42f95a9ca8
1 changed files with 6 additions and 0 deletions
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6
kernel/sched/debug.c
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@@ -569,6 +569,12 @@ 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