Messages in this thread | | | Date | Thu, 8 Feb 2018 14:55:49 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH 5/9] perf utils: add support for arch standard events |
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On Wed, Feb 07, 2018 at 01:45:00AM +0800, John Garry wrote: > For some architectures (like arm), there are architecture- > defined events. Sometimes these events may be "recommended" > according to the architecture standard, in that the > implementer is free ignore the "recommendation" and create > its custom event. > > This patch adds support for parsing standard events from > arch-defined JSONs, and fixing up vendor events when they > have implemented these events as standard. > > Support is also ensured that the vendor may implement their > own custom events. > > A new step is added to the pmu events parsing to fix up the > vendor events with the arch-standard events. > > The arch-defined JSONs must be placed in the arch root > folder for preprocessing prior to tree JSON processing. > > In the vendor JSON, to specify that the arch event is > supported, the keyword "ArchStdEvent" should be used, > like this: > [ > { > "ArchStdEvent": "0x41", > "BriefDescription": "L1D cache access, write" > }, > ] > > No other JSON objects are strictly required. However, > for other objects added, these take precedence over > architecture defined standard events, thus supporting > separate events which have the same event code. > > Signed-off-by: John Garry <john.garry@huawei.com> > --- > tools/perf/pmu-events/Build | 1 + > tools/perf/pmu-events/README | 6 ++ > tools/perf/pmu-events/jevents.c | 185 +++++++++++++++++++++++++++++++++++++--- > 3 files changed, 182 insertions(+), 10 deletions(-) > > diff --git a/tools/perf/pmu-events/Build b/tools/perf/pmu-events/Build > index 999a4e8..f9e8466 100644 > --- a/tools/perf/pmu-events/Build > +++ b/tools/perf/pmu-events/Build > @@ -1,5 +1,6 @@ > hostprogs := jevents > > +CHOSTFLAGS = -I$(srctree)/tools/include
Ithink this could be just CHOSTFLAGS_jevents.o = -I$(srctree)/tools/include it's just for the list.h right?
jirka
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