Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756654Ab2BWS5O (ORCPT ); Thu, 23 Feb 2012 13:57:14 -0500 Received: from mail-qw0-f53.google.com ([209.85.216.53]:33616 "EHLO mail-qw0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752524Ab2BWS5M (ORCPT ); Thu, 23 Feb 2012 13:57:12 -0500 Authentication-Results: mr.google.com; spf=pass (google.com: domain of cyfmxc@gmail.com designates 10.229.78.159 as permitted sender) smtp.mail=cyfmxc@gmail.com; dkim=pass header.i=cyfmxc@gmail.com MIME-Version: 1.0 In-Reply-To: <4F45ED78.2010007@lge.com> References: <4F4484AC.9050500@lge.com> <4F45ED78.2010007@lge.com> Date: Thu, 23 Feb 2012 13:57:10 -0500 Message-ID: Subject: Re: perf record: can I specify multiple events and use different sample-after value From: Yuanfang Chen To: Namhyung Kim Cc: linux-kernel@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1105 Lines: 35 On Thu, Feb 23, 2012 at 2:40 AM, Namhyung Kim wrote: > 2012-02-23 3:57 AM, Yuanfang Chen wrote: >> >> On Wed, Feb 22, 2012 at 1:01 AM, Namhyung Kim >> wrote: >>> >>> 2012-02-22 10:59 AM, Yuanfang Chen wrote: >>> The "-l" option was meaningful only if you specified events more than the >>> actual number of counters in the PMU. >> >> >> So -l is for multiplexing? >> > > The "-l" option is no longer supported in perf record/report and > multiplexing is always enabled by default, if needed. That would be the same > even for old versions AFAIK, and "-l" option just controlled whether it'd > scale or not the counter value which is taken from already multiplexed > events. > My question may sounds silly, but why to scale the counter value? Why it is deprecated now? Thank you, yuanfang > > Thanks, > Namhyung -- 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/