Messages in this thread | | | Date | Wed, 14 Oct 2015 08:32:25 +0200 | From | "Michael Kerrisk (man-pages)" <> | Subject | Re: [patch 06/11] perf_event_open.2: 4.1 add AUX sample support |
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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 <alexander.shishkin@linux.intel.com> > > perf: Add AUX record > > Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> > Cc: Arnaldo Carvalho de Melo <acme@infradead.org> > Cc: Borislav Petkov <bp@alien8.de> > Cc: Frederic Weisbecker <fweisbec@gmail.com> > Cc: H. Peter Anvin <hpa@zytor.com> > Cc: Kaixu Xia <kaixu.xia@linaro.org> > Cc: Linus Torvalds <torvalds@linux-foundation.org> > Cc: Mike Galbraith <efault@gmx.de> > Cc: Paul Mackerras <paulus@samba.org> > Cc: Robert Richter <rric@kernel.org> > Cc: Stephane Eranian <eranian@google.com> > Cc: Thomas Gleixner <tglx@linutronix.de> > 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/1421237903-181015-7-git-send-email-alexander.shishkin@linux.intel.com > Signed-off-by: Ingo Molnar <mingo@kernel.org> > > > Signed-off-by: Vince Weaver <vincent.weaver@maine.edu> > > 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/
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