On 07/23/2015 07:15 PM, Vince Weaver wrote: > > > This manpage patch relates to the addition of the PERF_RECORD_ITRACE_START > record type in the following commit:
Thanks, Vince. Applied. Cheers, Michael > commit ec0d7729bbaed4b9d2d3fada693278e13a3d1368 > Author: Alexander Shishkin <[email protected]> > > perf: Add ITRACE_START record to indicate that tracing has started > > Signed-off-by: Alexander Shishkin <[email protected]> > Signed-off-by: Peter Zijlstra (Intel) <[email protected]> > Cc: Borislav Petkov <[email protected]> > Cc: Frederic Weisbecker <[email protected]> > Cc: H. Peter Anvin <[email protected]> > Cc: Kaixu Xia <[email protected]> > Cc: Linus Torvalds <[email protected]> > Cc: Mike Galbraith <[email protected]> > Cc: Paul Mackerras <[email protected]> > Cc: Robert Richter <[email protected]> > Cc: Stephane Eranian <[email protected]> > Cc: Thomas Gleixner <[email protected]> > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Link: > http://lkml.kernel.org/r/1421237903-181015-15-git-send-email-alexander.shish...@linux.intel.com > Signed-off-by: Ingo Molnar <[email protected]> > > > Signed-off-by: Vince Weaver <[email protected]> > > diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 > index 19c5c23..8ef9ec6 100644 > --- a/man2/perf_event_open.2 > +++ b/man2/perf_event_open.2 > @@ -2505,6 +2505,29 @@ buffer size. > if set then the data returned has overwritten previous data. > .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, > -- 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-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
