All of lore.kernel.org
 help / color / mirror / Atom feed
From: Keir Fraser <keir@xensource.com>
To: Jan Beulich <jbeulich@novell.com>, Keir Fraser <keir@xensource.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: performance counters
Date: Fri, 16 Mar 2007 08:21:33 +0000	[thread overview]
Message-ID: <C220040D.425B%keir@xensource.com> (raw)
In-Reply-To: <45FA60BA.76E4.0078.0@novell.com>




On 16/3/07 08:17, "Jan Beulich" <jbeulich@novell.com> wrote:

>> It has the added benefit of avoiding cacheline bouncing.
>> 
>> It just needs someone to implement this improvement. ;-)
> 
> I'll take care of this, but it may take me a few days to get to it. But I
> also think there's no need for rush here.

Indeed. The counters aren't even compiled by default. It may be, however,
that per-cpu non-atomic counters are cheap enough to enable all the time.
We'll have to see.

 -- Keir

  reply	other threads:[~2007-03-16  8:21 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-15 11:27 performance counters Jan Beulich
2007-03-15 11:58 ` Keir Fraser
2007-03-15 13:57   ` Jan Beulich
2007-03-15 14:01     ` Keir Fraser
2007-03-15 14:37       ` Jan Beulich
2007-03-15 15:03         ` Keir Fraser
2007-03-16  8:17           ` Jan Beulich
2007-03-16  8:21             ` Keir Fraser [this message]
2007-03-23  1:56 ` question about machine-to-physic table and phy-to-machine table tgh
2007-03-23 11:44   ` Daniel Stodden
2007-03-26  1:39     ` tgh
2007-03-27  4:14   ` Mark Williamson
2007-03-27  6:14     ` tgh

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=C220040D.425B%keir@xensource.com \
    --to=keir@xensource.com \
    --cc=jbeulich@novell.com \
    --cc=xen-devel@lists.xensource.com \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.