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authorKamalesh Babulal <kamalesh@linux.vnet.ibm.com>2013-06-25 13:33:36 +0530
committerJon Medhurst <tixy@linaro.org>2014-01-22 09:50:40 +0000
commit42f95a9ca82e0931ba134c9ec180ab7ae8d90dcc (patch)
tree57835eddc6ffcd71eb3c8fc5b93dc2aeada67fdc
parent9a0758156e5f7f2f609617eb342e476378ef63f2 (diff)
downloadlinaro-lsk-42f95a9ca82e0931ba134c9ec180ab7ae8d90dcc.tar.gz
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> (cherry picked from commit 939fd731eb88a0cdd9058d0b0143563172a217d7) Signed-off-by: Jon Medhurst <tixy@linaro.org>
-rw-r--r--kernel/sched/debug.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index fbd8caa83ef..6b7b86cfaba 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -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