From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: Understanding timestamps in perf.data Date: Wed, 02 Sep 2015 12:23:39 -0700 Message-ID: <87oahk4ock.fsf@tassilo.jf.intel.com> References: <55E6C120.3030504@kit.edu> <55E6FCF9.60403@gmail.com> <55E71351.8010507@kit.edu> <55E72762.6030209@gmail.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mga14.intel.com ([192.55.52.115]:33381 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756033AbbIBTXq (ORCPT ); Wed, 2 Sep 2015 15:23:46 -0400 In-Reply-To: <55E72762.6030209@gmail.com> (David Ahern's message of "Wed, 2 Sep 2015 10:44:18 -0600") Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: David Ahern Cc: Dennis Gnad , linux-perf-users@vger.kernel.org David Ahern writes: > > The counter values are not relevant for profiling. They are programmed > to rollover and generate an NMI which causes the sample to be taken. Actually it's relevent if you use adaptive frequency mode (-F or default, not using -c) because it varies then. The count values are reported by default in perf script. -Andi