linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "Martin J. Bligh" <mbligh@mbligh.org>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Christoph Hellwig <hch@infradead.org>,
	Ingo Molnar <mingo@elte.hu>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org, John Hawkes <hawkes@sgi.com>
Subject: Re: lockmeter
Date: Sun, 28 Jan 2007 17:12:58 -0800	[thread overview]
Message-ID: <45BD4A1A.1040805@mbligh.org> (raw)
In-Reply-To: <1170032936.3054.2.camel@laptopd505.fenrus.org>

Arjan van de Ven wrote:
> On Sun, 2007-01-28 at 17:04 +0000, Christoph Hellwig wrote:
>> On Sun, Jan 28, 2007 at 08:52:25AM -0800, Martin J. Bligh wrote:
>>> Mmm. not wholly convinced that's true. Whilst i don't have lockmeter
>>> stats to hand, the heavy time in __d_lookup seems to indicate we may
>>> still have a problem to me. I guess we could move the spinlocks out
>>> of line again to test this fairly easily (or get lockmeter upstream).
>> We definitly should get lockmeter in.  Does anyone volunteer for doing
>> the cleanup and merged?
> 
> specifically; implementing it on top of lockdep should be very lean and
> simple...

cc: John Hawkes, if we're going to discuss this ;-)

M.


  reply	other threads:[~2007-01-29  1:13 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-28 11:51 [PATCH 0/7] breaking the global file_list_lock Peter Zijlstra
2007-01-28 11:51 ` [PATCH 1/7] lockdep: lock_set_subclass - reset a held locks subclass Peter Zijlstra
2007-01-28 11:51 ` [PATCH 3/7] barrier: a scalable synchonisation barrier Peter Zijlstra
2007-01-28 14:39   ` Christoph Hellwig
2007-01-28 15:24     ` Ingo Molnar
2007-01-28 15:34       ` Christoph Hellwig
2007-01-31 19:12       ` Paul E. McKenney
2007-01-31 21:13         ` Oleg Nesterov
2007-01-31 21:30           ` Oleg Nesterov
2007-01-31 21:48           ` Peter Zijlstra
2007-01-31 23:32             ` Paul E. McKenney
2007-02-01  0:03               ` Peter Zijlstra
2007-02-01  0:48                 ` Paul E. McKenney
2007-02-01 16:00                   ` Oleg Nesterov
2007-02-01 21:38                     ` Paul E. McKenney
2007-02-02 11:56                       ` Oleg Nesterov
2007-02-02 12:01                         ` Peter Zijlstra
2007-02-02 17:13                         ` Paul E. McKenney
2007-02-03 16:38                   ` Oleg Nesterov
2007-02-04  0:23                     ` Paul E. McKenney
2007-02-04  3:24                       ` Alan Stern
2007-02-04  5:46                         ` Paul E. McKenney
2007-01-28 11:51 ` [PATCH 4/7] fs: break the file_list_lock for sb->s_files Peter Zijlstra
2007-01-28 14:43   ` Christoph Hellwig
2007-01-28 15:21     ` Ingo Molnar
2007-01-28 15:30       ` Christoph Hellwig
2007-01-28 15:32         ` Peter Zijlstra
2007-01-28 15:36           ` Christoph Hellwig
2007-01-28 15:44         ` Ingo Molnar
2007-01-28 16:25         ` Bill Huey
2007-01-28 11:51 ` [PATCH 5/7] fs: restore previous sb->s_files iteration semantics Peter Zijlstra
2007-01-28 11:51 ` [PATCH 6/7] schedule_on_each_cpu_wq() Peter Zijlstra
2007-01-28 11:51 ` [PATCH 7/7] fs: fixup filevec_add_drain_all Peter Zijlstra
2007-01-28 12:16 ` [PATCH 8/7] fs: free_write_pipe() fix Peter Zijlstra
2007-01-28 14:43 ` [PATCH 0/7] breaking the global file_list_lock Christoph Hellwig
2007-01-28 15:11   ` Christoph Hellwig
2007-01-28 15:29     ` Peter Zijlstra
2007-01-28 15:33       ` Christoph Hellwig
2007-01-29 13:32     ` Stephen Smalley
2007-01-29 18:02       ` Christoph Hellwig
2007-01-28 15:24   ` Ingo Molnar
2007-01-28 16:52     ` Martin J. Bligh
2007-01-28 17:04       ` lockmeter Christoph Hellwig
2007-01-28 17:38         ` lockmeter Martin J. Bligh
2007-01-28 18:01           ` lockmeter Bill Huey
2007-01-28 19:26             ` lockmeter Ingo Molnar
2007-01-28 21:17             ` lockmeter Ingo Molnar
2007-01-29  5:27               ` lockmeter Bill Huey
2007-01-29 10:26                 ` lockmeter Bill Huey
2007-01-29  1:08         ` lockmeter Arjan van de Ven
2007-01-29  1:12           ` Martin J. Bligh [this message]
2007-01-28 18:41   ` [PATCH 0/7] breaking the global file_list_lock Ingo Molnar
2007-01-28 20:38     ` Christoph Hellwig
2007-01-28 21:05       ` Ingo Molnar

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=45BD4A1A.1040805@mbligh.org \
    --to=mbligh@mbligh.org \
    --cc=a.p.zijlstra@chello.nl \
    --cc=akpm@osdl.org \
    --cc=arjan@infradead.org \
    --cc=hawkes@sgi.com \
    --cc=hch@infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).