From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael Kerrisk (man-pages)" Subject: Re: [patch 06/11] perf_event_open.2: 4.1 add AUX sample support Date: Wed, 14 Oct 2015 08:32:25 +0200 Message-ID: <561DF6F9.1080904@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Vince Weaver Cc: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.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-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, kan.liang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, markus.t.metzger-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, mathieu.poirier-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org List-Id: linux-man@vger.kernel.org On 07/23/2015 07:13 PM, Vince Weaver wrote: > > This manpage patch relates to the addition of the AUX sample type > as added in the following commit: Thanks, Vince. Applied. Cheers, Michael > commit 68db7e98c3a6ebe7284b6cf14906ed7c55f3f7f0 > Author: Alexander Shishkin > > perf: Add AUX record > > Signed-off-by: Alexander Shishkin > Signed-off-by: Peter Zijlstra (Intel) > Cc: Arnaldo Carvalho de Melo > 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: adrian.hunter-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org > Cc: kan.liang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org > Cc: markus.t.metzger-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org > Cc: mathieu.poirier-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org > Link: http://lkml.kernel.org/r/1421237903-181015-7-git-send-email-alexander.shishkin-VuQAYsv1563Yd54FQh9/CA@public.gmane.org > 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 bd6c4c9..dfb0b64 100644 > --- a/man2/perf_event_open.2 > +++ b/man2/perf_event_open.2 > @@ -2445,6 +2445,39 @@ is the flags information. > .I filename > is a string describing the backing of the allocated memory. > .RE > +.TP > +.BR PERF_RECORD_AUX " (since Linux 4.1)" > +\" commit 68db7e98c3a6ebe7284b6cf14906ed7c55f3f7f0 > +This record reports that new data is available in the separate > +AUX buffer region. > + > +.in +4n > +.nf > +struct { > + struct perf_event_header header; > + u64 aux_offset; > + u64 aux_size; > + u64 flags; > + struct sample_id sample_id; > +}; > +.fi > +.RS > +.TP > +.I aux_offset > +offset in the AUX mmap region where the new data begins. > +.TP > +.I aux_size > +size of the data made available. > +.TP > +.I flags > +describes the aux update. > +.RS > +.TP > +.B PERF_AUX_FLAG_TRUNCATED > +if set then the data returned was truncated to fit the available > +buffer size. > +.RE > +.RE > .RE > .SS Overflow handling > Events can be set to notify when a threshold is crossed, > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html