linux-kernel - Re: [patch] perf_event_open.2: PERF_RECORD

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Message-ID: <d4c7c1c9-4b6c-8d25-52fe-9884bf4f3444@gmail.com>
Date:   Thu, 20 Oct 2016 07:49:40 +0200
From:   "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
To:     Vince Weaver <vincent.weaver@...ne.edu>
Cc:     mtk.manpages@...il.com, linux-man@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Adrian Hunter <adrian.hunter@...el.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>
Subject: Re: [patch] perf_event_open.2: PERF_RECORD_SWITCH support

On 10/19/2016 05:14 PM, Vince Weaver wrote:
> 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.

Thanks, Vince. Fixed now.

Cheers,

Michael



-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/