From: Robert Hancock <hancockr@shaw.ca>
To: Jan Engelhardt <jengelh@computergmbh.de>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Few interrupts with NO_HZ
Date: Mon, 06 Aug 2007 17:22:52 -0600 [thread overview]
Message-ID: <46B7AD4C.1020806@shaw.ca> (raw)
In-Reply-To: <fa.09fMUH3GW8WqIBDx7yLbNn+7hAo@ifi.uio.no>
Jan Engelhardt wrote:
> Hi,
>
>
> this more of an informational question. So:
>
> kernel version is 2.6.22.1 on i686
>
> /proc/uptime
> 9917.81 9140.90 (2h45m)
>
> /proc/cpuinfo:
> CPU0
> 0: 282 IO-APIC-edge timer
>
> this is kinda neat, I expected much more interrupts than just 282 since
> boot. What kernel code actually uses the irq0 timer?
The kernel likely switched to using the local APIC timer after bootup..
--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/
next parent reply other threads:[~2007-08-06 23:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.09fMUH3GW8WqIBDx7yLbNn+7hAo@ifi.uio.no>
2007-08-06 23:22 ` Robert Hancock [this message]
2007-08-06 10:52 Few interrupts with NO_HZ Jan Engelhardt
2007-08-06 13:47 ` Chris Snook
2007-08-06 14:28 ` Jan Engelhardt
2007-08-06 14:35 ` Chris Snook
2007-08-06 22:31 ` Kyle McMartin
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