On Fri, Aug 11, 2017 at 04:26:32PM -0700, Andi Kleen wrote: > From: Andi Kleen <[email protected]> > > Some of the metrics formulas (like GFLOPs) need to know how long > the measurement period is. Support an internal event called duration_time, > which > reports time in second. It maps to the dummy event, but is > special cased for statistics to report the walltime duration. > > So far it is not printed, but only used internally for metrics. > > Signed-off-by: Andi Kleen <[email protected]> > --- > tools/perf/util/parse-events.l | 1 + > tools/perf/util/stat-shadow.c | 17 +++++++++++++---- > 2 files changed, 14 insertions(+), 4 deletions(-) > > diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l > index fdb5bb52f01f..ea2426daf7e8 100644 > --- a/tools/perf/util/parse-events.l > +++ b/tools/perf/util/parse-events.l > @@ -288,6 +288,7 @@ cpu-migrations|migrations { return > sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COU > alignment-faults { return sym(yyscanner, > PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); } > emulation-faults { return sym(yyscanner, > PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); } > dummy { return sym(yyscanner, > PERF_TYPE_SOFTWARE, PERF_COUNT_SW_DUMMY); } > +duration_time { return sym(yyscanner, > PERF_TYPE_SOFTWARE, PERF_COUNT_SW_DUMMY); }
could you please use '-' (current style) instead of '_' thanks, jirka
