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Date: Fri, 30 Aug 2002 01:31:00 -0700
From: William Lee Irwin III <wli@holomorphy.com>
To: Anton Blanchard <anton@samba.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@zip.com.au,
       riel@surriel.com
Subject: Re: statm_pgd_range() sucks!
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At some point in the past, I wrote:
>> Okay, I have *had it* with statm_pgd_range()!

On Fri, Aug 30, 2002 at 06:24:56PM +1000, Anton Blanchard wrote:
> On a related note, it would be nice if procps would not parse things it
> doesnt need:
> strace ps 2>&1 | grep open | grep '/proc'
> open("/proc/12467/stat", O_RDONLY)      = 7
> open("/proc/12467/statm", O_RDONLY)     = 7
> open("/proc/12467/status", O_RDONLY)    = 7
> open("/proc/12467/cmdline", O_RDONLY)   = 7
> open("/proc/12467/environ", O_RDONLY)   = 7
> It always opens statm even when its not required.
> Anton

Userspace is FITH, it only needs to do it for BSD-style stuff reporting
RSS/vsz. vsz is wrong anyway if it doesn't open /proc/$PID/maps.


Cheers,
Bill
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