This manpage patch relates to the addition of the AUX sample type
as added in the following commit:
commit 68db7e98c3a6ebe7284b6cf14906ed7c55f3f7f0
Author: Alexander Shishkin <alexander.shish...@linux.intel.com>
perf: Add AUX record
Signed-off-by: Alexander Shishkin <alexander.shish...@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org>
Cc: Arnaldo Carvalho de Melo <a...@infradead.org>
Cc: Borislav Petkov <b...@alien8.de>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: H. Peter Anvin <h...@zytor.com>
Cc: Kaixu Xia <kaixu....@linaro.org>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Mike Galbraith <efa...@gmx.de>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Robert Richter <r...@kernel.org>
Cc: Stephane Eranian <eran...@google.com>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: adrian.hun...@intel.com
Cc: kan.li...@intel.com
Cc: markus.t.metz...@intel.com
Cc: mathieu.poir...@linaro.org
Link:
http://lkml.kernel.org/r/1421237903-181015-7-git-send-email-alexander.shish...@linux.intel.com
Signed-off-by: Ingo Molnar <mi...@kernel.org>
Signed-off-by: Vince Weaver <vincent.wea...@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,
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