lkml.org 
[lkml]   [2003]   [Mar]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC] O(1) proc_pid_readdir

On Sun, 16 Mar 2003, Manfred Spraul wrote:

> Below is a proposal to get rid of the quadratic behaviour of
> proc_pid_readir(): Instead of storing the task number in f_pos and
> walking tasks by tasklist order, the pid is stored in f_pos and the
> tasks are walked by (hash-mangled) pid order.

have you seen my "procfs/procps threading performance speedup" patch? It
does something like this.

Ingo

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:34    [W:0.055 / U:0.388 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site