From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751579AbbJESNv (ORCPT ); Mon, 5 Oct 2015 14:13:51 -0400 Received: from mail-pa0-f45.google.com ([209.85.220.45]:34498 "EHLO mail-pa0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750980AbbJESNu (ORCPT ); Mon, 5 Oct 2015 14:13:50 -0400 Subject: Re: [PATCH 5/9] perf tools: Introduce 'P' modifier To: Jiri Olsa , Arnaldo Carvalho de Melo References: <1444068369-20978-1-git-send-email-jolsa@kernel.org> <1444068369-20978-6-git-send-email-jolsa@kernel.org> Cc: lkml , Ingo Molnar , Namhyung Kim , Peter Zijlstra , "Liang, Kan" , Don Zickus From: David Ahern Message-ID: <5612BDDC.2080806@gmail.com> Date: Mon, 5 Oct 2015 12:13:48 -0600 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <1444068369-20978-6-git-send-email-jolsa@kernel.org> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/5/15 12:06 PM, Jiri Olsa wrote: > The 'P' will cause the event to get maximum possible > detected precise level. > > Following record: > $ perf record -e cycles:P ... > > will detect maximum precise level for 'cycles' event > and use it. > Does the end result (which precise level is used) get saved to the header and displayed to the user properly?