[patch 09/10] perf_event_open.2: 4.1 add PERF_RECORD_ITRACE_START

[Vince Weaver]

This manpage patch relates to the addition of the PERF_RECORD_ITRACE_START
record type in the following commit:

	commit ec0d7729bbaed4b9d2d3fada693278e13a3d1368
	Author: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>

	perf: Add ITRACE_START record to indicate that tracing has started

	Signed-off-by: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
	Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
	Cc: Borislav Petkov <bp@xxxxxxxxx>
	Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
	Cc: H. Peter Anvin <hpa@xxxxxxxxx>
	Cc: Kaixu Xia <kaixu.xia@xxxxxxxxxx>
	Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
	Cc: Mike Galbraith <efault@xxxxxx>
	Cc: Paul Mackerras <paulus@xxxxxxxxx>
	Cc: Robert Richter <rric@xxxxxxxxxx>
	Cc: Stephane Eranian <eranian@xxxxxxxxxx>
	Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
	Cc: acme@xxxxxxxxxxxxx
	Cc: adrian.hunter@xxxxxxxxx
	Cc: kan.liang@xxxxxxxxx
	Cc: markus.t.metzger@xxxxxxxxx
	Cc: mathieu.poirier@xxxxxxxxxx
	Link: http://lkml.kernel.org/r/1421237903-181015-15-git-send-email-alexander.shishkin@xxxxxxxxxxxxxxx
	Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>


Signed-off-by: Vince Weaver <vincent.weaver@xxxxxxxxx>

diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2
--- a/man2/perf_event_open.2
+++ b/man2/perf_event_open.2
@@ -2356,6 +2356,29 @@
 buffer size.
 .RE
 .RE
+.TP
+.BR PERF_RECORD_ITRACE_START " (since Linux 4.1)"
+\" ec0d7729bbaed4b9d2d3fada693278e13a3d1368
+This record indicates which process has initiated an instruction
+trace event, allowing tools to properly correlate the instruction
+addresses in the AUX buffer with the proper executable.
+
+.in +4n
+.nf
+struct {
+    struct perf_event_header header;
+    u32 pid;
+    u32 tid;
+};
+.fi
+.RS
+.TP
+.I pid
+process id of the thread starting an instruction trace.
+.TP
+.I tid
+thread id of the thread starting an instruction trace.
+.RE
 .RE
 .SS Overflow handling
 Events can be set to notify when a threshold is crossed,
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