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From: David Miller <davem@davemloft.net>
To: kjwinchester@gmail.com
Cc: mingo@elte.hu, elendil@planet.nl, torvalds@linux-foundation.org,
	linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
	a.p.zijlstra@chello.nl, efault@gmx.de, richie@coderworld.net,
	rjw@sisk.pl
Subject: Re: [git pull] scheduler changes for v2.6.26
Date: Tue, 22 Apr 2008 03:49:35 -0700 (PDT)	[thread overview]
Message-ID: <20080422.034935.134139117.davem@davemloft.net> (raw)
In-Reply-To: <480DB2DB.9040908@gmail.com>

From: Kevin Winchester <kjwinchester@gmail.com>
Date: Tue, 22 Apr 2008 06:41:47 -0300

> kevin@alekhine:~/linux$ ./watch-rq-clock.sh
> 89.986517
> 81.033471
> 76.942776
> 90.986318
> 75.988551
> 85.987089
> 74.988696
> 85.987078
> 73.988858
> 88.986641
> 68.989600

The results on my 128-cpu Niagara2 box are even more interesting:

davem@maramba:~$ /bin/bash ./watch-rq-clock.sh 
0
0
0
0
0
0
0
0
0
0
0
0
0
...

I guess this script doesn't work correctly when the cpu
whose clock value it greps out of /proc/sched_debug is
in NOHZ mode?

  reply	other threads:[~2008-04-22 10:49 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-19 18:13 Ingo Molnar
2008-04-19 18:47 ` Guillaume Chazarain
2008-04-19 18:49   ` Ingo Molnar
2008-04-19 18:54     ` Peter Zijlstra
2008-04-19 19:47 ` Frans Pop
2008-04-21 12:39   ` Ingo Molnar
2008-04-21 16:31     ` Frans Pop
2008-04-21 19:43       ` Ingo Molnar
2008-04-22  8:51         ` Mike Galbraith
2008-04-22  8:59           ` Ingo Molnar
2008-04-22  9:59             ` Peter Zijlstra
2008-04-22 12:25             ` Mike Galbraith
2008-04-23  8:11               ` Mike Galbraith
2008-04-23 10:30                 ` Mike Galbraith
2008-04-23 11:21                   ` Peter Zijlstra
2008-04-23 13:27                     ` Mike Galbraith
2008-04-22  9:41         ` Kevin Winchester
2008-04-22 10:49           ` David Miller [this message]
2008-04-22 11:10             ` Peter Zijlstra
2008-04-23  9:36         ` Frans Pop
2008-04-23  9:42           ` Peter Zijlstra
2008-04-23  9:46           ` Ingo Molnar
2008-04-23 13:36             ` Frans Pop
2008-04-29 12:29               ` Ingo Molnar
2008-04-29 15:28                 ` Steven Rostedt
2008-04-23 16:23             ` Frans Pop

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