linux-kernel - Re: [PATCH 3/5] lockstat: core infrastructure

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

Message-ID: <20070601131249.GA17059@elte.hu>
Date:	Fri, 1 Jun 2007 15:12:49 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Daniel Walker <dwalker@...sta.com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Steven Rostedt <rostedt@...dmis.org>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jason Baron <jbaron@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 3/5] lockstat: core infrastructure


* Daniel Walker <dwalker@...sta.com> wrote:

> On Wed, 2007-05-30 at 19:16 +0200, Peter Zijlstra wrote:

> > I think you are mistaken here; the two are similar but not 
> > identical.
> > 
> > I see sched_clock() as fast first, accurate second. Whereas the 
> > clocksource thing is accurate first, fast second.
> 
> This is true .. However, if there is a speed different it's small.

Ugh. Have you ever compared pmtimer (or even hpet) against TSC based 
sched_clock()? What you write is so wrong that it's not even funny. You 
keep repeating this nonsense despite having been told multiple times 
that you are dead wrong.

	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/