linux-kernel - Re: Any faster and more efficient way to repeatedly access /proc/*

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Message-Id: <1173409893.18226.21.camel@localhost.localdomain>
Date:	Thu, 08 Mar 2007 19:11:32 -0800
From:	Matthew Helsley <matthltc@...ibm.com>
To:	mchu@...apoint.com
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Any faster and more efficient way to repeatedly access /proc/*

On Thu, 2007-03-08 at 16:55 -0800, mchu@...apoint.com wrote:
> Hi,
> 
> Is there a faster way to access "/proc/*" other than open it as a file and reading/parsing contents? e.g. fopen("/proc/stat", "r");
> 
> In BSD, there is the kvm method of access, which is relatively fast (light weight)
> 
> In Linux, if I have a daemon that keeps track of these statistics, it's a hell way to manage.
> 
> Imagine, having to probe the stat of each process?

Have you looked at Task Stats (CONFIG_TASKSTATS)?

Cheers,
	-Matt Helsley

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