Re: [PATCH] Display -rt related stats in /proc/schedstat

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On Wed, Jul 25, 2007 at 10:05:04AM +0200, Ingo Molnar wrote:
> 
> * Ankita Garg <ankita@xxxxxxxxxx> wrote:
> 
> > Hi,
> > 
> > This patch adds support to display captured -rt stats under 
> > /proc/schedstat.
> 
> hm, could you add it to /proc/sched_debug instead? That's where all the 
> runqueue values are showing up normally. I'm also a bit wary about 
> introducing a new schedstats version for -rt.

So, I have merged my previous patch (to display rt_nr_running info in
sched_debug.c) with this one.


Signed-off-by: Ankita Garg <ankita@xxxxxxxxxx>
--
 sched_debug.c |    9 +++++++++
 1 file changed, 9 insertions(+)

Index: linux-2.6.22.1/kernel/sched_debug.c
===================================================================
--- linux-2.6.22.1.orig/kernel/sched_debug.c	2007-07-25 14:26:53.000000000 +0530
+++ linux-2.6.22.1/kernel/sched_debug.c	2007-07-25 14:58:07.000000000 +0530
@@ -161,6 +161,15 @@
 	P(cpu_load[2]);
 	P(cpu_load[3]);
 	P(cpu_load[4]);
+#ifdef CONFIG_PREEMPT_RT
+	/* Print rt related rq stats */
+	P(rt_nr_running);
+	P(rt_nr_uninterruptible);
+	P(rto_schedule);
+	P(rto_wakeup);
+	P(rto_pulled);
+#endif
+
 #undef P
 
 	print_cfs_stats(m, cpu, now);


-- 
Regards,
Ankita Garg (ankita@xxxxxxxxxx)
Linux Technology Center
IBM India Systems & Technology Labs, 
Bangalore, India   
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