From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: event for speculative executed instruction Date: Wed, 20 May 2015 07:23:08 -0700 Message-ID: <87k2w3ib03.fsf@tassilo.jf.intel.com> References: Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mga09.intel.com ([134.134.136.24]:61611 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751609AbbETOXJ (ORCPT ); Wed, 20 May 2015 10:23:09 -0400 In-Reply-To: (Marina Moran's message of "Wed, 20 May 2015 10:45:42 -0300") Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: Marina Moran Cc: linux-perf-users@vger.kernel.org Marina Moran writes: > > The intels are: > Intel Xeon CPU E5-2630 0 @ 2.30GHz > Intel Core2 Quad CPU Q6600 @ 2.40GHz What you can measure on the E5 is cycles stalled due to recovery from mis-speculation. That is not quite the same, but somewhat related. The toplev tool in pmu-tools (http://github.com/andikleen/pmu-tools) can do this on top of perf for the E5. No support for the Core2. -Andi -- ak@linux.intel.com -- Speaking for myself only