From: Alex Shi <alex.shi@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Davidlohr Bueso <davidlohr.bueso@hp.com>,
hpa@linux.intel.com, tim.c.chen@linux.intel.com,
linux-kernel@vger.kernel.org, andi.kleen@intel.com,
a.p.zijlstra@chello.nl, mingo@elte.hu
Subject: Re: [URGENT rfc patch 0/3] tsc clocksource bug fix
Date: Fri, 05 Jul 2013 09:12:55 +0800 [thread overview]
Message-ID: <51D61D97.8060904@intel.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1307042214090.11637@ionos.tec.linutronix.de>
On 07/05/2013 04:27 AM, Thomas Gleixner wrote:
>>>> We find some benchmarks drop a lot on tip/sched/core on many Intel boxes,
> And that branch does NOT have that commit included. So how can you see
> a regression on a branch caused by a commit NOT included into that
> branch?
>
> The offending commit is in tip timers/core and not in tip
> sched/core. What I'm wanted to say is, that we need a proper
> description of problems and not some random association.
>
> It tricked you to assume, that I'm not able to figure it out myself :)
>
> See? These things are complex and subtle, so we need precise
> descriptions and not some sloppy semi correct data.
>
> I'm well aware of the issue and with Peters help I got a reasonable
> explanation for it. A proper fix is about to be sent out.
>
Ingo had merged your branch into sched/core. :)
commit f9bed7021710a3e45c331f7d7781de914cc1b939
Merge: 7e76057 67dd331
Author: Ingo Molnar <mingo@kernel.org>
Date: Wed May 29 11:21:59 2013 +0200
Merge branch 'timers/urgent'
...
commit 7d194f78bde64ec813c1ed8291181bdd61515e78
Merge: 0298bf7 1eaff67
Author: Ingo Molnar <mingo@kernel.org>
Date: Tue May 28 09:53:41 2013 +0200
Merge branch 'timers/core'
commit 0298bf70644d7334bec16ae47f3aa58f4f883b59
Merge: cc662fa 2938d27
Author: Ingo Molnar <mingo@kernel.org>
Date: Tue May 28 09:49:51 2013 +0200
Merge branch 'timers/urgent'
--
Thanks
Alex
next prev parent reply other threads:[~2013-07-05 1:14 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-04 5:34 [URGENT rfc patch 0/3] tsc clocksource bug fix Alex Shi
2013-07-04 5:34 ` [PATCH 1/3] clocksource: clean up clocksource_select Alex Shi
2013-07-04 9:57 ` Thomas Gleixner
2013-07-04 10:21 ` Alex Shi
2013-07-04 10:27 ` Thomas Gleixner
2013-07-05 1:22 ` Alex Shi
2013-07-04 5:34 ` [PATCH 2/3] clockesource: set override clocksource Alex Shi
2013-07-04 10:23 ` Thomas Gleixner
2013-07-04 5:34 ` [PATCH 3/3] clocksource: fix can not set tsc as clocksource bug Alex Shi
2013-07-04 10:55 ` Thomas Gleixner
2013-07-04 13:04 ` Thomas Gleixner
2013-07-04 20:46 ` [PATCH] clocksource: Reselect clocksource when watchdog validated Thomas Gleixner
2013-07-05 1:38 ` Alex Shi
2013-07-05 9:13 ` [tip:timers/core] clocksource: Reselect clocksource when watchdog validated high-res capability tip-bot for Thomas Gleixner
2013-07-05 2:48 ` [PATCH 3/3] clocksource: fix can not set tsc as clocksource bug Alex Shi
2013-07-05 5:41 ` Thomas Gleixner
2013-07-05 6:44 ` Alex Shi
2013-07-04 7:58 ` [URGENT rfc patch 0/3] tsc clocksource bug fix Peter Zijlstra
2013-07-04 8:13 ` Alex Shi
2013-07-05 14:23 ` Frederic Weisbecker
2013-07-05 14:38 ` Peter Zijlstra
2013-07-05 15:24 ` Thomas Gleixner
2013-07-05 21:22 ` Peter Zijlstra
2013-07-05 21:50 ` Thomas Gleixner
2013-07-05 21:58 ` Borislav Petkov
2013-07-05 22:17 ` Thomas Gleixner
2013-07-06 8:37 ` Borislav Petkov
2013-07-06 10:50 ` Peter Zijlstra
2013-07-04 11:00 ` Thomas Gleixner
2013-07-04 18:11 ` Davidlohr Bueso
2013-07-04 20:27 ` Thomas Gleixner
2013-07-05 1:12 ` Alex Shi [this message]
2013-07-05 5:58 ` Thomas Gleixner
2013-07-05 6:28 ` Alex Shi
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=51D61D97.8060904@intel.com \
--to=alex.shi@intel.com \
--cc=a.p.zijlstra@chello.nl \
--cc=andi.kleen@intel.com \
--cc=davidlohr.bueso@hp.com \
--cc=hpa@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=tglx@linutronix.de \
--cc=tim.c.chen@linux.intel.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.