Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754784AbbDPSLx (ORCPT ); Thu, 16 Apr 2015 14:11:53 -0400 Received: from mail-qc0-f173.google.com ([209.85.216.173]:36862 "EHLO mail-qc0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754048AbbDPSLp (ORCPT ); Thu, 16 Apr 2015 14:11:45 -0400 From: Vince Weaver X-Google-Original-From: Vince Weaver Date: Thu, 16 Apr 2015 14:16:39 -0400 (EDT) To: "Michael Kerrisk (man-pages)" cc: linux-man@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Zijlstra , Paul Mackerras , 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: [patch 06/10] perf_event_open.2: 4.1 add AUX sample support Message-ID: User-Agent: Alpine 2.11 (DEB 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2415 Lines: 81 This manpage patch relates to the addition of the AUX sample type as added in the following commit: 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 01ee579..98aef57 100644 --- a/man2/perf_event_open.2 +++ b/man2/perf_event_open.2 @@ -2310,6 +2310,39 @@ 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 fix the available +buffer size. +.RE +.RE .RE .SS Overflow handling Events can be set to notify when a threshold is crossed, -- 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/