Re: statm_pgd_range() sucks!

From: William Lee Irwin III (wli@holomorphy.com)
Date: Fri Aug 30 2002 - 03:31:00 EST


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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