Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754405AbbGWRH6 (ORCPT ); Thu, 23 Jul 2015 13:07:58 -0400 Received: from mail-oi0-f51.google.com ([209.85.218.51]:36451 "EHLO mail-oi0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753968AbbGWRH4 (ORCPT ); Thu, 23 Jul 2015 13:07:56 -0400 From: Vince Weaver X-Google-Original-From: Vince Weaver Date: Thu, 23 Jul 2015 13:14:35 -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 08/11] perf_event_open.2: 4.1 add aux_watermark 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: 2673 Lines: 76 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 238eb62..19c5c23 100644 --- a/man2/perf_event_open.2 +++ b/man2/perf_event_open.2 @@ -259,6 +259,9 @@ struct perf_event_attr { samples */ __s32 clockid; /* clock to use for time fields */ __u64 sample_regs_intr; /* regs to dump on samples */ + __u32 aux_watermark; /* aux bytes before wakeup */ + __u32 __reserved_2; /* align to u64 */ + }; .fi .in @@ -357,6 +360,11 @@ is 104 corresponding to the addition of .I sample_regs_intr in Linux 3.19. .\" commit 60e2364e60e86e81bc6377f49779779e6120977f +.B PERF_ATTR_SIZE_VER5 +is 112 corresponding to the addition of +.I aux_watermak +in Linux 4.1. +.\" commit 1a5941312414c71dece6717da9a0fa1303127afa .TP .I "config" This specifies which event you want, in conjunction with @@ -1284,6 +1292,12 @@ with .BR CLOCK_MONOTONIC , CLOCK_MONOTONIC_RAW , CLOCK_REALTIME , .BR CLOCK_BOOTTIME ", and " CLOCK_TAI currently supported. +.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/