Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754509AbbGWRIq (ORCPT ); Thu, 23 Jul 2015 13:08:46 -0400 Received: from mail-oi0-f48.google.com ([209.85.218.48]:32975 "EHLO mail-oi0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754442AbbGWRIj (ORCPT ); Thu, 23 Jul 2015 13:08:39 -0400 From: Vince Weaver X-Google-Original-From: Vince Weaver Date: Thu, 23 Jul 2015 13:15:18 -0400 (EDT) To: "Michael Kerrisk (man-pages)" cc: 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, Vince Weaver Subject: [patch 09/11] perf_event_open.2: 4.1 add PERF_RECORD_ITRACE_START Message-ID: User-Agent: Alpine 2.20 (DEB 67 2015-01-07) 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: 2318 Lines: 72 This manpage patch relates to the addition of the PERF_RECORD_ITRACE_START record type in the following commit: commit ec0d7729bbaed4b9d2d3fada693278e13a3d1368 Author: Alexander Shishkin perf: Add ITRACE_START record to indicate that tracing has started Signed-off-by: Alexander Shishkin Signed-off-by: Peter Zijlstra (Intel) 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: acme@infradead.org 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/1421237903-181015-15-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 19c5c23..8ef9ec6 100644 --- a/man2/perf_event_open.2 +++ b/man2/perf_event_open.2 @@ -2505,6 +2505,29 @@ buffer size. if set then the data returned has overwritten previous data. .RE .RE +.TP +.BR PERF_RECORD_ITRACE_START " (since Linux 4.1)" +\" ec0d7729bbaed4b9d2d3fada693278e13a3d1368 +This record indicates which process has initiated an instruction +trace event, allowing tools to properly correlate the instruction +addresses in the AUX buffer with the proper executable. + +.in +4n +.nf +struct { + struct perf_event_header header; + u32 pid; + u32 tid; +}; +.fi +.RS +.TP +.I pid +process id of the thread starting an instruction trace. +.TP +.I tid +thread id of the thread starting an instruction trace. +.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/