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From: Vasily Averin <vvs@sw.ru>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	devel@openvz.org
Subject: Re: [2.6.22] negative time jump
Date: Mon, 30 Jul 2007 16:51:38 +0400	[thread overview]
Message-ID: <46ADDEDA.1070201@sw.ru> (raw)
In-Reply-To: <46AD57BF.8090106@sw.ru>

Groundhog Day?

Vasily Averin wrote:
> [root@ts28 ~]# echo 1 > /proc/timer_stats
> [root@ts28 ~]# cat /proc/timer_stats
> Timer Stats Version: v0.1
> Sample period: 17.992 s
> 0 total events
> [root@ts28 ~]# cat /proc/timer_stats
> Timer Stats Version: v0.1
> Sample period: -4366.278 s
> 0 total events
> [root@ts28 ~]# cat /proc/timer_stats
> Timer Stats Version: v0.1
> Sample period: -4359.840 s
> 0 total events

[root@ts28 ~]# cat /proc/timer_stats
Timer Stats Version: v0.1
Sample period: -5.060 s
0 total events
[root@ts28 ~]# cat /proc/timer_stats
Timer Stats Version: v0.1
Sample period: 0.365 s
0 total events
[root@ts28 ~]# cat /proc/timer_stats
Timer Stats Version: v0.1
Sample period: 8.675 s
0 total events
[root@ts28 ~]# cat /proc/timer_stats
Timer Stats Version: v0.1
Sample period: -4355.978 s
0 total events
[skip]

next loop:
[root@ts28 ~]# cat /proc/timer_stats
Timer Stats Version: v0.1
Sample period: 9.968 s
0 total events
[root@ts28 ~]# echo q > /proc/sysrq-trigger
Jul 30 11:10:17 ts28 now at 29196596844685 nsecs

[root@ts28 ~]# cat /proc/timer_stats
Timer Stats Version: v0.1
Sample period: 14.104 s
0 total events
[root@ts28 ~]# cat /proc/timer_stats
Timer Stats Version: v0.1
Sample period: 17.666 s
0 total events
[root@ts28 ~]# cat /proc/timer_stats
Timer Stats Version: v0.1
Sample period: 19.791 s
0 total events
[root@ts28 ~]# cat /proc/timer_stats
Timer Stats Version: v0.1
Sample period: 21.278 s
0 total events
[root@ts28 ~]# echo q > /proc/sysrq-trigger
Jul 30 11:10:28 ts28 now at 24810199356545 nsecs

[root@ts28 ~]# cat /proc/timer_stats
Timer Stats Version: v0.1
Sample period: -4373.161 s
0 total events

Node is still alive and I'm able to look at proc files and press sysrq keys.

Thank you,
	Vasily Averin

  reply	other threads:[~2007-07-30 10:45 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-07-30  3:15 [2.6.22] negative time jump Vasily Averin
2007-07-30 12:51 ` Vasily Averin [this message]
     [not found] ` <1f1b08da0707301113r173adba0yd2585263e89fd8@mail.gmail.com>
2007-07-31  1:07   ` john stultz
2007-07-31  4:43     ` Vasily Averin
2007-08-02  9:34       ` broken timer on VIA K8T800 chipset? Vasily Averin

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