From: Stefani Seibold <stefani@seibold.net>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>,
LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Alexey Dobriyan <adobriyan@gmail.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Randy Dunlap <randy.dunlap@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] proc: revert to show stack information in /proc/{pid}/status
Date: Sat, 02 Jan 2010 09:26:16 +0100 [thread overview]
Message-ID: <1262420776.18097.3.camel@wall-e> (raw)
In-Reply-To: <2f11576a1001012153qec2ea0eo7a2762386ed22273@mail.gmail.com>
Am Samstag, den 02.01.2010, 14:53 +0900 schrieb KOSAKI Motohiro:
> 2010/1/2 Stefani Seibold <stefani@seibold.net>:
> > Am Freitag, den 01.01.2010, 23:05 +0100 schrieb Samuel Thibault:
> >> Stefani Seibold, le Fri 01 Jan 2010 16:10:16 +0100, a écrit :
> >> > But ps is not a performance critical application nor a cat
> >> > /proc/*/status!
> >>
> >> Errr, maybe not so much as some other operations, but a lot of tools use
> >> them, so it's really worth considering it.
> >
> > Right. And i am still trying to find some optimization. Stay tuned.
>
> I can understand you feel sad. but don't worry. reverting is very usual event
> on kernel development. You can retry anytime if you make optimized code.
I had analyzed the problem and there is only one solution. Create a new
proc/<pid>/stack_usage entry, which was my first idea. This has absolut
now side effects.
I will write a patch and post it in the next days.
Stefani
next prev parent reply other threads:[~2010-01-02 8:26 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-31 14:12 [PATCH] proc: revert to show stack information in /proc/{pid}/status KOSAKI Motohiro
2009-12-31 15:48 ` Stefani Seibold
2010-01-01 14:14 ` KOSAKI Motohiro
2010-01-01 15:10 ` Stefani Seibold
2010-01-01 22:05 ` Samuel Thibault
2010-01-01 22:21 ` Stefani Seibold
2010-01-02 5:53 ` KOSAKI Motohiro
2010-01-02 8:26 ` Stefani Seibold [this message]
2010-01-02 14:05 ` [PATCH] partial revert to show stack information in /proc/<pid>/status Stefani Seibold
2010-01-05 5:24 ` KOSAKI Motohiro
2010-01-02 1:42 ` [PATCH] proc: revert to show stack information in /proc/{pid}/status Andi Kleen
2010-01-01 15:49 ` Andi Kleen
2010-01-01 16:09 ` Stefani Seibold
2010-01-07 21:52 ` Andrew Morton
2010-01-08 0:21 ` KOSAKI Motohiro
2010-01-08 0:34 ` Andrew Morton
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=1262420776.18097.3.camel@wall-e \
--to=stefani@seibold.net \
--cc=a.p.zijlstra@chello.nl \
--cc=adobriyan@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=ebiederm@xmission.com \
--cc=kosaki.motohiro@jp.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=randy.dunlap@oracle.com \
--cc=samuel.thibault@ens-lyon.org \
/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.