Date: Sun, 19 Feb 2006 11:06:40 -0800
From: Chris Wedgwood <cw@f00f.org>
To: Irfan Habib <irfanhab@yahoo.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: How to find the CPU usage of a process
Message-ID: <20060219190640.GA4929@taniwha.stupidest.org>
References: <20060218174229.76852.qmail@web32603.mail.mud.yahoo.com>
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On Sat, Feb 18, 2006 at 09:42:29AM -0800, Irfan Habib wrote:

> I wanted to ask how can I find the cpu usage of a process, as
> opposed to runtime, with cpu usage I mean actually how many time
> slices were awarded to a specific process, like the runtime of job
> may be 4 s, but this also includes time it was suspended by some
> interrupt, or had to wait for the scheduler etc..

getrusage(2) or if it's not a child then grovel through /proc (i think
there is an argument for a better interface)
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