linux-kernel - [PATCH 3/3] sched:Add sum_sleep

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Message-Id: <1433751041-11724-4-git-send-email-srikar@linux.vnet.ibm.com>
Date:	Mon,  8 Jun 2015 13:40:41 +0530
From:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
To:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-kernel@...r.kernel.org,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Subject: [PATCH 3/3] sched:Add sum_sleep_runtime to /proc/<pid>/sched

When CONFIG_SCHEDSTATS is enabled, /proc/<pid>/sched prints almost all
sched statistics except sum_sleep_runtime. Since sum_sleep_runtime is
a good info to collect, add this it to /proc/<pid>/sched.

Signed-off-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
---
 kernel/sched/debug.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 7dc547e..704683c 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -584,6 +584,7 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
 	nr_switches = p->nvcsw + p->nivcsw;
 
 #ifdef CONFIG_SCHEDSTATS
+	PN(se.statistics.sum_sleep_runtime);
 	PN(se.statistics.wait_start);
 	PN(se.statistics.sleep_start);
 	PN(se.statistics.block_start);
-- 
1.8.3.1

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