From: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
To: Marc Burkhardt <marc@osknowledge.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Slowdown due to threads bouncing between HT cores
Date: Fri, 3 Oct 2014 23:14:17 +0200 [thread overview]
Message-ID: <20141003211417.GA17326@sesse.net> (raw)
In-Reply-To: <20141003211152.GB3889@localhost>
On Fri, Oct 03, 2014 at 11:11:52PM +0200, Marc Burkhardt wrote:
> As I understand your mail, you problem is quite similar, isn't it?
I guess it depends on how often your process migrates. If it happens, like,
every second, it's not a big problem (and probably is expected).
If it happens all the time, it might be; it depends a bit on a number of
factors.
/* Steinar */
--
Homepage: http://www.sesse.net/
next prev parent reply other threads:[~2014-10-03 21:14 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-03 19:44 Slowdown due to threads bouncing between HT cores Steinar H. Gunderson
2014-10-03 21:11 ` Marc Burkhardt
2014-10-03 21:14 ` Steinar H. Gunderson [this message]
2014-10-04 9:22 ` Marc Burkhardt
2014-10-04 13:41 ` Andi Kleen
2014-10-04 14:12 ` Steinar H. Gunderson
2014-10-04 14:50 ` Chuck Ebbert
2014-10-05 11:19 ` Steinar H. Gunderson
2014-10-08 15:37 ` bisected: futex regression >= 3.14 - was - " Mike Galbraith
2014-10-08 16:14 ` Thomas Gleixner
2014-10-08 16:45 ` Steinar H. Gunderson
2014-10-08 17:52 ` Mike Galbraith
2014-10-08 16:23 ` Steinar H. Gunderson
2014-10-08 17:04 ` Linus Torvalds
2014-10-08 17:05 ` Steinar H. Gunderson
2014-10-08 17:59 ` Mike Galbraith
2014-10-24 15:25 ` Thomas Gleixner
2014-10-24 16:38 ` Mike Galbraith
2014-10-26 10:39 ` Steinar H. Gunderson
2014-10-26 13:16 ` Mike Galbraith
2014-10-26 13:58 ` Mike Galbraith
2014-10-26 14:11 ` Steinar H. Gunderson
2014-10-26 14:41 ` Mike Galbraith
2014-10-27 10:05 ` Mike Galbraith
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