From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6AC28C43334 for ; Tue, 4 Sep 2018 13:58:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 15B9720843 for ; Tue, 4 Sep 2018 13:58:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 15B9720843 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727223AbeIDSXv (ORCPT ); Tue, 4 Sep 2018 14:23:51 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:37426 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726281AbeIDSXv (ORCPT ); Tue, 4 Sep 2018 14:23:51 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 75E777DAC7; Tue, 4 Sep 2018 13:58:37 +0000 (UTC) Received: from krava (unknown [10.40.205.171]) by smtp.corp.redhat.com (Postfix) with SMTP id 1EF5663AF9; Tue, 4 Sep 2018 13:58:35 +0000 (UTC) Date: Tue, 4 Sep 2018 15:58:35 +0200 From: Jiri Olsa To: Peter Zijlstra Cc: Arnaldo Carvalho de Melo , Stephane Eranian , Jiri Olsa , LKML , Namhyung Kim Subject: Re: [RFC] perf tool improvement requests Message-ID: <20180904135835.GA25298@krava> References: <20180904071049.GY24124@hirez.programming.kicks-ass.net> <20180904134218.GA5364@kernel.org> <20180904135325.GI24124@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180904135325.GI24124@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Tue, 04 Sep 2018 13:58:37 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Tue, 04 Sep 2018 13:58:37 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'jolsa@redhat.com' RCPT:'' Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 04, 2018 at 03:53:25PM +0200, Peter Zijlstra wrote: > On Tue, Sep 04, 2018 at 10:42:18AM -0300, Arnaldo Carvalho de Melo wrote: > > So, use 'c2c record' to get the samples: > > IIRC that uses numa events and is completely useless. I guess perf record on any other event would work in Arnaldo's workflow jirka