Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753321AbaAVPye (ORCPT ); Wed, 22 Jan 2014 10:54:34 -0500 Received: from merlin.infradead.org ([205.233.59.134]:60793 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753040AbaAVPyb (ORCPT ); Wed, 22 Jan 2014 10:54:31 -0500 Date: Wed, 22 Jan 2014 16:53:51 +0100 From: Peter Zijlstra To: Dan Ballard Cc: Lennart Poettering , kay.sievers@vrfy.org, Rob Landley , Andrew Morton , Minto Joseph , Cyrill Gorcunov , Pavel Emelyanov , Naoya Horiguchi , Rik van Riel , Frederic Weisbecker , Thomas Gleixner , Mel Gorman , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] add StartTimeMonotomic, StartTimeBootTime to per pid in /proc Message-ID: <20140122155351.GV13532@twins.programming.kicks-ass.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 21, 2014 at 07:10:04AM -0800, Dan Ballard wrote: > starttime in /proc/$PID/stat is inaccurate by "clock tick" granularity. > The kernel keeps better track os this exposes that in /prod/$PID/status > as StartTimeMonotonic and StartTimeBootTime > Why? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/