Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S943940AbcJSPOj (ORCPT ); Wed, 19 Oct 2016 11:14:39 -0400 Received: from mail-it0-f66.google.com ([209.85.214.66]:33200 "EHLO mail-it0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932700AbcJSPOg (ORCPT ); Wed, 19 Oct 2016 11:14:36 -0400 From: Vince Weaver X-Google-Original-From: Vince Weaver Date: Wed, 19 Oct 2016 11:14:33 -0400 (EDT) X-X-Sender: vince@macbook-air To: "Michael Kerrisk (man-pages)" cc: Vince Weaver , linux-man@vger.kernel.org, linux-kernel@vger.kernel.org, Adrian Hunter , Arnaldo Carvalho de Melo , Peter Zijlstra , Ingo Molnar Subject: Re: [patch] perf_event_open.2: PERF_RECORD_SWITCH support In-Reply-To: <15d30ad2-2937-febe-d6c9-b8dded4642d8@gmail.com> Message-ID: References: <15d30ad2-2937-febe-d6c9-b8dded4642d8@gmail.com> 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: 826 Lines: 30 On Wed, 19 Oct 2016, Michael Kerrisk (man-pages) wrote: > > diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 > > index 68b99bb..04a0cf5 100644 > > +.B PERF_RECORD_SWITCH_CPU_WIDE > > +records when sampling in cpu-wide mode. > > +This functionality is in addition to existing tracepoint and > > +software events for measuring context switches. > > +The advantage of this method is that it will give full > > s/give full/give a full/ > > ok? > > > +information event with strict > > +.I perf_event_paranoid > > +settings. What I meant to say was "it will give full information *even* with strict perf_event_paranoid settings" Maybe saying something like "despite strict settings" would be better wording. not sure how I missed that typo, apparently my fingers are used to typing "event" too much. Vince