From: Zach Brown <zab@zabbo.net>
To: "J.A. Magallon" <jamagallon@able.es>
Cc: Wanghong Yuan <wyuan1@ews.uiuc.edu>, linux-kernel@vger.kernel.org
Subject: Re: Accurately measure CPU cycles used by a program? thanks
Date: Tue, 30 Apr 2002 12:30:13 -0400 [thread overview]
Message-ID: <20020430123013.E30752@erasmus.off.net> (raw)
In-Reply-To: <20020428.204911.63038910.davem@redhat.com> <001001c1ef3d$890a6d50$e6f7ae80@ad.uiuc.edu> <005d01c1efcb$561b8c10$e6f7ae80@ad.uiuc.edu> <20020429222243.GC1732@werewolf.able.es>
> >Is there any package or program, which can be used to accurately measure the
> >CPU cycles used by a program? I think the following code can only provide an
>
> man getrusage
There is a measurable chance that getrusage isn't good enough, something
like perfctr ( http://www.csd.uu.se/~mikpe/linux/perfctr/ ) that
actually measures cpu events may be more insteresting. See also:
http://oprofile.sourceforge.net/
- z
next prev parent reply other threads:[~2002-04-30 16:30 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-24 15:09 VLAN and Network Drivers 2.4.x jd
2002-04-24 13:04 ` David S. Miller
2002-04-24 16:23 ` AW: " jd
2002-04-24 16:35 ` David S. Miller
2002-04-24 17:03 ` AW: " jd
2002-04-24 16:59 ` David S. Miller
2002-04-24 17:31 ` Ben Greear
2002-04-24 17:25 ` David S. Miller
2002-04-24 17:58 ` Ben Greear
2002-04-24 17:56 ` David S. Miller
2002-04-24 19:43 ` Ben Greear
2002-04-24 22:23 ` AW: " jd
2002-04-24 17:49 ` Jeff Garzik
2002-04-24 18:04 ` Ben Greear
2002-04-24 18:10 ` Jeff Garzik
2002-04-24 18:07 ` Matti Aarnio
2002-04-24 18:13 ` Jeff Garzik
2002-04-24 17:42 ` AW: " jd
2002-04-24 17:40 ` David S. Miller
2002-04-24 22:28 ` AW: " jd
2002-04-24 22:21 ` David S. Miller
2002-04-25 4:26 ` AW: Re: AW: Re: AW: Re: AW: Re: AW: Re: AW: Re: AW: [was: VLAN and Network Drivers 2.4.x] Dax Kelson
[not found] ` <200204242141.02957.bodnar42@phalynx.dhs.org>
2002-04-25 4:43 ` Ryan Cumming
2002-04-25 10:19 ` Matthias Andree
2002-04-25 13:45 ` AW: Re: AW: Re: AW: Re: AW: Re: AW: Re: VLAN and Network Drivers 2.4.x jd
2002-04-26 0:46 ` David S. Miller
2002-04-27 20:34 ` jd
2002-04-28 2:43 ` David S. Miller
2002-04-28 20:28 ` jd
2002-04-29 3:49 ` David S. Miller
2002-04-29 5:20 ` How to enable printk Wanghong Yuan
2002-04-28 6:33 ` Uilton Dutra
2002-04-29 6:33 ` Itai Nahshon
2002-04-29 6:52 ` Chris Wright
2002-04-29 11:37 ` David Woodhouse
2002-04-30 17:12 ` Denis Vlasenko
2002-04-30 12:55 ` David Woodhouse
2002-04-30 18:03 ` Denis Vlasenko
2002-04-30 13:14 ` David Woodhouse
2002-04-29 22:15 ` Accurately measure CPU cycles used by a program? thanks Wanghong Yuan
2002-04-29 22:22 ` J.A. Magallon
2002-04-30 16:30 ` Zach Brown [this message]
2002-05-10 23:49 ` Corey Minyard
2002-04-30 22:15 ` what replaces tq_scheduler in 2.4 Wanghong Yuan
2002-04-30 22:31 ` Andrew Morton
2002-05-02 15:44 ` Ingo Oeser
2002-05-03 0:13 ` Wanghong Yuan
2002-05-03 18:04 ` Andrew Morton
2002-05-01 6:41 ` suspend a thread in LKM Wanghong Yuan
2002-04-29 9:06 ` VLAN and Network Drivers 2.4.x jd
2002-04-25 10:20 ` Matthias Andree
2002-04-24 16:39 ` AW: " Pasi Kärkkäinen
2002-04-24 16:18 ` Ben Greear
2002-04-24 16:46 ` AW: " jd
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