lkml.org 
[lkml]   [2001]   [Sep]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Locking comment on shrink_caches()
On Tue, 25 Sep 2001, David S. Miller wrote:

> It is known that pagecache_lock is the biggest scalability issue
> on large SMP systems, and thus the page cache locking patches
> Ingo and myself did.

Interesting, most lockmeter data dumps I've seen here
indicate the locks in fs/buffer.c as the big problem
and have pagecache_lock down in the noise.

Or were you measuring loads which are mostly read-only ?

regards,

Rik
--
IA64: a worthy successor to the i860.

http://www.surriel.com/
http://www.conectiva.com/ http://distro.conectiva.com/

-
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 13:03    [W:0.122 / U:19.184 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site