linux-kernel - Re: [PATCH][RFC] Adding information of counts processes acquired how many spinlocks to schedstat

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20090718132535.GC32618@elte.hu>
Date:	Sat, 18 Jul 2009 15:25:35 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Hitoshi Mitake <mitake@....info.waseda.ac.jp>
Cc:	a.p.zijlstra@...llo.nl, andi@...stfloor.org, fweisbec@...il.com,
	acme@...hat.com, linux-kernel@...r.kernel.org, jbaron@...hat.com
Subject: Re: [PATCH][RFC] Adding information of counts processes acquired
	how many spinlocks to schedstat


* Hitoshi Mitake <mitake@....info.waseda.ac.jp> wrote:

> From: Ingo Molnar <mingo@...e.hu>
> Subject: Re: [PATCH][RFC] Adding information of counts processes acquired how many spinlocks to schedstat
> Date: Mon, 13 Jul 2009 10:51:19 +0200
> 
> > X-Mew-Uidl: 4144 3205
> > Return-Path: <mingo@...e.hu>
> > Received: from murder ([unix socket])
> > 	 by ns.dcl.info.waseda.ac.jp (Cyrus v2.3.8-OS X Server 10.5:	9F33) with LMTPA;
> > 	 Mon, 13 Jul 2009 17:51:35 +0900
> > X-Sieve: CMU Sieve 2.3
> > Received: from localhost (localhost [127.0.0.1])
> > 	by ns.dcl.info.waseda.ac.jp (Postfix) with ESMTP id 418376729D2
> > 	for <mitake@....info.waseda.ac.jp>; Mon, 13 Jul 2009 17:51:35 +0900 (JST)
> > X-Virus-Scanned: amavisd-new at dcl.info.waseda.ac.jp
> > Received: from ns.dcl.info.waseda.ac.jp ([127.0.0.1])
> > 	by localhost (ns.dcl.info.waseda.ac.jp [127.0.0.1]) (amavisd-new, port 10024)
> > 	with ESMTP id 4VNvZ6jG1jE9 for <mitake@....info.waseda.ac.jp>;
> > 	Mon, 13 Jul 2009 17:51:34 +0900 (JST)
> > Received: from mx3.mail.elte.hu (mx3.mail.elte.hu [157.181.1.138])
> > 	by ns.dcl.info.waseda.ac.jp (Postfix) with ESMTP id C08246729C2
> > 	for <mitake@....info.waseda.ac.jp>; Mon, 13 Jul 2009 17:51:33 +0900 (JST)
> > Received: from elvis.elte.hu ([157.181.1.14])
> > 	by mx3.mail.elte.hu with esmtp (Exim)
> > 	id 1MQHFr-0003wM-HT
> > 	from <mingo@...e.hu>; Mon, 13 Jul 2009 10:51:28 +0200
> > Received: by elvis.elte.hu (Postfix, from userid 1004)
> > 	id 115B83E22CE; Mon, 13 Jul 2009 10:51:21 +0200 (CEST)
> > Message-ID: <20090713085119.GA6757@...e.hu>
> > References: <1247230336.7529.34.camel@...ns> <20090712.162337.287595819039280884.mitake@....info.waseda.ac.jp> <1247405045.6733.2.camel@...top> <20090713.150612.886429910823138064.mitake@....info.waseda.ac.jp>
> > MIME-Version: 1.0
> > In-Reply-To: <20090713.150612.886429910823138064.mitake@....info.waseda.ac.jp>
> > X-ELTE-SpamScore: -1.5
> > X-ELTE-SpamLevel: 
> > X-ELTE-SpamCheck: no
> > X-ELTE-SpamVersion: ELTE 2.0 
> > X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5	-1.5 BAYES_00               BODY: Bayesian spam probability is 0 to 1%	[score: 0.0000]
> > Content-Type: text/plain; charset=us-ascii
> > Content-Disposition: inline
> > Subject: Re: [PATCH][RFC] Adding information of counts processes acquired how many spinlocks to schedstat
> > From: Ingo Molnar <mingo@...e.hu>
> > To: Hitoshi Mitake <mitake@....info.waseda.ac.jp>
> > Cc: a.p.zijlstra@...llo.nl, andi@...stfloor.org, fweisbec@...il.com,
> > 	acme@...hat.com, linux-kernel@...r.kernel.org,
> > 	Jason Baron <jbaron@...hat.com>
> > Date: Mon, 13 Jul 2009 10:51:19 +0200
> > User-Agent: Mutt/1.5.18 (2008-05-17)
> > Received-SPF: neutral (mx3: 157.181.1.14 is neither permitted nor denied by domain of elte.hu) client-ip=157.181.1.14; envelope-from=mingo@...e.hu; helo=elvis.elte.hu;
> > X-Mew: tab/spc characters on Subject: are simplified.
> > 
> > 
> > * Hitoshi Mitake <mitake@....info.waseda.ac.jp> wrote:
> > 
> > > > Yeah, steve broke it, but then Jason fixed it again, but his 
> > > > patches might not have made it in yet.
> > > > 
> > > >   http://lkml.org/lkml/2009/7/6/313
> > > 
> > > Wow! I can obtain lock_acquire with Jason's patch,
> > > 
> > > % perf stat -e lockdep:lock_acquire sleep 1
> > > 
> > >  Performance counter stats for 'sleep 1':
> > > 
> > >            1420  lockdep:lock_acquire
> > > 
> > >     1.004953591  seconds time elapsed
> > > 
> > > I wanted this.
> > > So I don't have nothing to do.., but thanks Jason!
> > 
> > I gave some review feedback about those patches, see:
> > 
> >    http://lkml.org/lkml/2009/7/13/360
> > 
> > Once they are addressed we can try them in -tip.
> 
> Thanks! I'll try new features of perfcounters. It's interesting.
> But I told "not found" by lkml.org.
>
> Is the post you attempted to point 
> http://lkml.org/lkml/2009/7/13/36 ?

yeah. The first post should be:

 http://lkml.org/lkml/2009/7/6/313

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/