From mboxrd@z Thu Jan 1 00:00:00 1970 From: Clark Williams Subject: Re: [PATCH RFC] rdtscbench: a nohz_full validation and benchmarking tool Date: Fri, 11 Dec 2015 10:44:22 -0600 Message-ID: <20151211104422.2fd21bd3@sluggy.hsv.redhat.com> References: <1440189958-6959-1-git-send-email-isaac.griswoldsteiner@ni.com> <20151211162607.GD6720@linutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Isaac Griswold-Steiner , jkacur@redhat.com, linux-rt-users@vger.kernel.org, joshc@ni.com, Isaac Griswold-Steiner To: Sebastian Andrzej Siewior Return-path: Received: from mx1.redhat.com ([209.132.183.28]:43447 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752288AbbLKQoY (ORCPT ); Fri, 11 Dec 2015 11:44:24 -0500 In-Reply-To: <20151211162607.GD6720@linutronix.de> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On Fri, 11 Dec 2015 17:26:07 +0100 Sebastian Andrzej Siewior wrote: > * Isaac Griswold-Steiner | 2015-08-21 15:45:58 [-0500]: > > >From: Isaac Griswold-Steiner > > > >rdtscbench is a cyclictest-like tool that spawns a thread per cpu. Each thread > >measures the difference in cycle count (using the tsc) during the execution of a > >tight loop. > > > >This is a simple tool intended to be used for the validation of nohz_full CPU > >configurations. As the validation of nohz_full CPUs is the objective, the tool > >avoids the usage of system calls, timers, or anything that might break nohz_full. > > > >Signed-off-by: Isaac Griswold-Steiner > > jkacur, williams: did you guys took a look on it? > > Sebastian I haven't yet. Will look at it this afternoon. Clark