From: Willy Tarreau <willy@w.ods.org>
To: u1_amd64@dslr.net
Cc: linux-kernel@vger.kernel.org
Subject: Re: time cat /proc/*/statm ?
Date: Fri, 9 Jan 2004 01:49:34 +0100 [thread overview]
Message-ID: <20040109004934.GC545@alpha.home.local> (raw)
In-Reply-To: <179256560250.20040108135458@dslr.net>
On Thu, Jan 08, 2004 at 01:54:58PM -0500, u1_amd64@dslr.net wrote:
> Is it reasonable for a 64bit dual cpu to take 5+ seconds of processing to
> cat /proc/*/statm when there is hardly more than 1gb of actual memory
> space used by processes (the rest being filesystem cache)?
Here on alpha, it takes 0.023s (0.011 sys) for 58 processes on 2.4.23.
Perhaps there's something specific to x86_64 ?
Willy
> # free
> total used free shared buffers cached
> Mem: 16278356 16264484 13872 0 85400 14819932
> -/+ buffers/cache: 1359152 14919204
>
> # ps -eda|wc
> 216 866 6751
>
> # time cat /proc/*/statm
> :
> :
> :
> real 0m5.740s
> user 0m0.003s
> sys 0m5.521s
>
> # uname -a
>
> Linux silver 2.4.21-151-smp #22 SMP Mon Jan 5 21:31:07 PST 2004 x86_64 x86_64 x86_64 GNU/Linux
>
>
> thanks!!
>
> -
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next prev parent reply other threads:[~2004-01-09 0:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-08 18:54 time cat /proc/*/statm ? u1_amd64
2004-01-09 0:32 ` Roger Luethi
2004-01-09 0:49 ` Willy Tarreau [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-01-10 17:57 Albert Cahalan
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