From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: Size of perf data files Date: Wed, 26 Nov 2014 12:48:59 -0800 Message-ID: <871topit6s.fsf@tassilo.jf.intel.com> References: <1601237.BEhNSa8l6d@milian-kdab2> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mga09.intel.com ([134.134.136.24]:6430 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750793AbaKZUtB (ORCPT ); Wed, 26 Nov 2014 15:49:01 -0500 In-Reply-To: <1601237.BEhNSa8l6d@milian-kdab2> (Milian Wolff's message of "Wed, 26 Nov 2014 13:47:41 +0100") Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: Milian Wolff Cc: linux-perf-users Milian Wolff writes: > Hello all, > > I wonder whether there is a way to reduce the size of perf data files. Esp. > when I collect call graph information via Dwarf on user space applications, I > easily end up with multiple gigabytes of data in just a few seconds. Use a fixed period and reduce the period or so. -c 10000000 Don't use dwarf backtracing. On new enough perf you can disable time stamps --no-time. -Andi -- ak@linux.intel.com -- Speaking for myself only