From: Eric Dumazet <eric.dumazet@gmail.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
Paul Mackerras <paulus@samba.org>,
Pekka Enberg <penberg@kernel.org>,
Vegard Nossum <vegardno@ifi.uio.no>,
linux-kernel <linux-kernel@vger.kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Subject: Re: [BUG] perf and kmemcheck : fatal combination
Date: Tue, 26 Apr 2011 10:57:37 +0200 [thread overview]
Message-ID: <1303808257.3012.3.camel@edumazet-laptop> (raw)
In-Reply-To: <20110426080443.GA806@elte.hu>
[-- Attachment #1: Type: text/plain, Size: 309 bytes --]
Le mardi 26 avril 2011 à 10:04 +0200, Ingo Molnar a écrit :
> Eric, does it manage to limp along if you remove the BUG_ON()?
>
> That risks NMI recursion but maybe it allows you to see why things are slow,
> before it crashes ;-)
>
If I remove the BUG_ON from nmi_enter, it seems to crash very fast
[-- Attachment #2: capture2.png --]
[-- Type: image/png, Size: 132197 bytes --]
next prev parent reply other threads:[~2011-04-26 8:57 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-25 16:08 Eric Dumazet
2011-04-26 7:38 ` Peter Zijlstra
2011-04-26 7:43 ` Pekka Enberg
2011-04-26 8:04 ` Ingo Molnar
2011-04-26 8:57 ` Eric Dumazet [this message]
2011-04-26 9:53 ` Eric Dumazet
2011-04-26 10:08 ` Pekka Enberg
2011-04-26 10:27 ` Eric Dumazet
2011-04-26 12:27 ` Eric Dumazet
2011-04-26 12:33 ` Peter Zijlstra
2011-04-26 12:56 ` Eric Dumazet
2011-04-26 13:09 ` Eric Dumazet
2011-04-26 19:13 ` Pekka Enberg
2011-04-26 13:53 ` Mathieu Desnoyers
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=1303808257.3012.3.camel@edumazet-laptop \
--to=eric.dumazet@gmail.com \
--cc=a.p.zijlstra@chello.nl \
--cc=acme@infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mathieu.desnoyers@efficios.com \
--cc=mingo@elte.hu \
--cc=paulus@samba.org \
--cc=penberg@kernel.org \
--cc=vegardno@ifi.uio.no \
/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
all inboxes | Powered by JetHome®