diff options
author | Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> | 2013-06-25 13:33:36 +0530 |
---|---|---|
committer | Jon Medhurst <tixy@linaro.org> | 2014-01-22 09:50:40 +0000 |
commit | 42f95a9ca82e0931ba134c9ec180ab7ae8d90dcc (patch) | |
tree | 57835eddc6ffcd71eb3c8fc5b93dc2aeada67fdc | |
parent | 9a0758156e5f7f2f609617eb342e476378ef63f2 (diff) |
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.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index fbd8caa83ef5..6b7b86cfabad 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 |