Messages in this thread | | | Date | Fri, 9 Jan 2015 15:13:18 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v8 14/14] perf: add ITRACE_START record to indicate that tracing has started |
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On Fri, Jan 09, 2015 at 03:12:48PM +0100, Peter Zijlstra wrote: > On Fri, Nov 14, 2014 at 03:43:47PM +0200, Alexander Shishkin wrote: > > +++ b/include/uapi/linux/perf_event.h > > @@ -750,6 +750,17 @@ enum perf_event_type { > > */ > > PERF_RECORD_AUX = 11, > > > > + /* > > + * Indicates that instruction trace has started > > + * > > + * struct { > > + * struct perf_event_header header; > > + * u32 pid; > > + * u32 tid; > > The below function suggests we should have: > > struct sample_id sample_id; > > > + * }; > > + */ > > + PERF_RECORD_ITRACE_START = 12,
This also raises the question; why not use PERF_RECORD_COMM?
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