Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754828AbbDPSNf (ORCPT ); Thu, 16 Apr 2015 14:13:35 -0400 Received: from mail-qg0-f52.google.com ([209.85.192.52]:35496 "EHLO mail-qg0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754112AbbDPSN2 (ORCPT ); Thu, 16 Apr 2015 14:13:28 -0400 From: Vince Weaver X-Google-Original-From: Vince Weaver Date: Thu, 16 Apr 2015 14:18:25 -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 08/10] perf_event_open.2: 4.1 add aux_watermark 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: 2575 Lines: 74 This manpage patch relates to the addition of the aux_watermark attr field in the following commit: commit 1a5941312414c71dece6717da9a0fa1303127afa Author: Alexander Shishkin perf: Add wakeup watermark control to the AUX area 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/1421237903-181015-10-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..fa6f6c5 100644 --- a/man2/perf_event_open.2 +++ b/man2/perf_event_open.2 @@ -256,6 +256,8 @@ struct perf_event_attr { __u32 sample_stack_user; /* size of stack to dump on samples */ __u32 __reserved_2; /* Align to u64 */ + __u32 aux_watermark; + __u32 __reserved_2; /* align to u64 */ }; .fi @@ -350,6 +352,11 @@ and .I sample_stack_user in Linux 3.7. .\" commit 1659d129ed014b715b0b2120e6fd929bdd33ed03 +.B PERF_ATTR_SIZE_VER5 +is 112 corresponding to the addition of +.I aux_watermak +.\" commit 1a5941312414c71dece6717da9a0fa1303127afa +in Linux 4.1. .TP .I "config" This specifies which event you want, in conjunction with @@ -1218,6 +1225,12 @@ described in the kernel header This defines the size of the user stack to dump if .B PERF_SAMPLE_STACK_USER is specified. +.TP +.IR "aux_watermark" " (since Linux 4.1)" +.\" commit 1a5941312414c71dece6717da9a0fa1303127afa +This specifies how much data is required to trigger a +.B PERF_RECORD_AUX +sample. .SS Reading results Once a .BR perf_event_open () -- 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/