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Message-ID: <20130625080336.GA20175@linux.vnet.ibm.com> Date: Tue, 25 Jun 2013 13:33:36 +0530 From: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com> To: linux-kernel@...r.kernel.org Cc: peterz@...radead.org, pjt@...gle.com, mingo@...nel.org, kamalesh@...ux.vnet.ibm.com Subject: [PATCH] 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@...ux.vnet.ibm.com> --- kernel/sched/debug.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index d1c0c81..375225b 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -567,6 +567,12 @@ 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 -- 1.7.11.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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