mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Peter Zijlstra <peterz@infradead.org>
To: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>,
	linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] perfcounters: Make s/w counters in a group only count when group is on
Date: Fri, 13 Mar 2009 14:04:00 +0100	[thread overview]
Message-ID: <1236949440.5188.709.camel@laptop> (raw)
In-Reply-To: <1236948283.22447.36.camel@twins>

On Fri, 2009-03-13 at 13:44 +0100, Peter Zijlstra wrote:

> The same for task migration, most migrations happen when they are in
> fact running, so there too we can account the migration either before we
> rip it off the src cpu, or after we place it on the dst cpu.

Right, I got confused between being on the cpu and having ->state = R.

Migrations are the odd one out indeed, but I'd rather fudge a little
with the migration counter itself than have this weird asymmetry.


  reply	other threads:[~2009-03-13 13:04 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-13  1:59 Paul Mackerras
2009-03-13 10:23 ` Peter Zijlstra
2009-03-13 12:23   ` Paul Mackerras
2009-03-13 12:44     ` Peter Zijlstra
2009-03-13 13:04       ` Peter Zijlstra [this message]
2009-03-13 13:13         ` Ingo Molnar
2009-03-13 23:43           ` Paul Mackerras
2009-03-13 22:41       ` Paul Mackerras
2009-03-14 11:51         ` Ingo Molnar
2009-03-16  9:56         ` Peter Zijlstra
2009-03-16 10:33           ` Paul Mackerras

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=1236949440.5188.709.camel@laptop \
    --to=peterz@infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=paulus@samba.org \
    --cc=tglx@linutronix.de \
    /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

Powered by JetHome