From: Karim Yaghmour <karym@opersys.com>
To: Torrey Hoffman <thoffman@arnor.net>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: measuring time spent in kernel
Date: Thu, 11 Apr 2002 19:22:47 -0400 [thread overview]
Message-ID: <3CB61AC7.5AB77189@opersys.com> (raw)
In-Reply-To: <1018569297.15331.4.camel@shire.arnor.net>
You may want to try LTT:
http://www.opersys.com/LTT
It will give this sort of information, among many other things,
and it doesn't soak up any cycles.
Karim
Torrey Hoffman wrote:
>
> "top" and similar tools don't seem to capture the time spent in kernel
> which isn't on behalf of a user process.
>
> I vaguely remember mention on this list of a tool that soaks up as many
> cycles as it can get to obtain an accurate measurement of the true
> system time.
>
> Can some one give me a pointer? I've had no luck with Google...
>
> thanks,
>
> Torrey Hoffman
> thoffman@arnor.net
> torrey.hoffman@myrio.com
>
> -
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--
===================================================
Karim Yaghmour
karym@opersys.com
Embedded and Real-Time Linux Expert
===================================================
next prev parent reply other threads:[~2002-04-12 0:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-11 23:54 measuring time spent in kernel Torrey Hoffman
2002-04-11 23:22 ` Karim Yaghmour [this message]
2002-04-11 23:26 ` Andrew Morton
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