From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752842AbbJNGcc (ORCPT ); Wed, 14 Oct 2015 02:32:32 -0400 Received: from mail-wi0-f177.google.com ([209.85.212.177]:38070 "EHLO mail-wi0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752022AbbJNGc2 (ORCPT ); Wed, 14 Oct 2015 02:32:28 -0400 Message-ID: <561DF6F9.1080904@gmail.com> Date: Wed, 14 Oct 2015 08:32:25 +0200 From: "Michael Kerrisk (man-pages)" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: Vince Weaver CC: mtk.manpages@gmail.com, linux-man@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Stephane Eranian , Alexander Shishkin , Borislav Petkov , Frederic Weisbecker , "H. Peter Anvin" , Kaixu Xia , Linus Torvalds , Mike Galbraith , Robert Richter , Thomas Gleixner , adrian.hunter@intel.com, kan.liang@intel.com, markus.t.metzger@intel.com, mathieu.poirier@linaro.org Subject: Re: [patch 06/11] perf_event_open.2: 4.1 add AUX sample support References: In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/23/2015 07:13 PM, Vince Weaver wrote: > > This manpage patch relates to the addition of the AUX sample type > as added in the following commit: Thanks, Vince. Applied. Cheers, Michael > commit 68db7e98c3a6ebe7284b6cf14906ed7c55f3f7f0 > Author: Alexander Shishkin > > perf: Add AUX record > > Signed-off-by: Alexander Shishkin > Signed-off-by: Peter Zijlstra (Intel) > Cc: Arnaldo Carvalho de Melo > Cc: Borislav Petkov > Cc: Frederic Weisbecker > Cc: H. Peter Anvin > Cc: Kaixu Xia > Cc: Linus Torvalds > Cc: Mike Galbraith > Cc: Paul Mackerras > Cc: Robert Richter > Cc: Stephane Eranian > Cc: Thomas Gleixner > Cc: adrian.hunter@intel.com > Cc: kan.liang@intel.com > Cc: markus.t.metzger@intel.com > Cc: mathieu.poirier@linaro.org > Link: http://lkml.kernel.org/r/1421237903-181015-7-git-send-email-alexander.shishkin@linux.intel.com > Signed-off-by: Ingo Molnar > > > Signed-off-by: Vince Weaver > > diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 > index bd6c4c9..dfb0b64 100644 > --- a/man2/perf_event_open.2 > +++ b/man2/perf_event_open.2 > @@ -2445,6 +2445,39 @@ is the flags information. > .I filename > is a string describing the backing of the allocated memory. > .RE > +.TP > +.BR PERF_RECORD_AUX " (since Linux 4.1)" > +\" commit 68db7e98c3a6ebe7284b6cf14906ed7c55f3f7f0 > +This record reports that new data is available in the separate > +AUX buffer region. > + > +.in +4n > +.nf > +struct { > + struct perf_event_header header; > + u64 aux_offset; > + u64 aux_size; > + u64 flags; > + struct sample_id sample_id; > +}; > +.fi > +.RS > +.TP > +.I aux_offset > +offset in the AUX mmap region where the new data begins. > +.TP > +.I aux_size > +size of the data made available. > +.TP > +.I flags > +describes the aux update. > +.RS > +.TP > +.B PERF_AUX_FLAG_TRUNCATED > +if set then the data returned was truncated to fit the available > +buffer size. > +.RE > +.RE > .RE > .SS Overflow handling > Events can be set to notify when a threshold is crossed, > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/