From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Andrzej Siewior Subject: Re: [PATCH RT 0/3] hwlat-detector: Have it actually find hardware latency Date: Wed, 21 Aug 2013 17:59:45 +0200 Message-ID: <20130821155945.GC16913@linutronix.de> References: <20130819213324.405942342@goodmis.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: linux-kernel@vger.kernel.org, linux-rt-users , Thomas Gleixner , Carsten Emde , John Kacur , Clark Williams To: Steven Rostedt Return-path: Content-Disposition: inline In-Reply-To: <20130819213324.405942342@goodmis.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-rt-users.vger.kernel.org * Steven Rostedt | 2013-08-19 17:33:24 [-0400]: >Thi patch series fixes up hwlat-detector to check the entire path >of time for a latency being hit, instead of the quick check between >two time stamps. > >It also uses the trace_local_clock() if available, which is much lighter >weight than ktime_get() which might produce false positives. As >the trace clock is used to detect irq latencies, it's suitable for >hardware latency. > >Finally, stop machine is removed and the test is run by a single thread. Applied, thanks. Sebastian