Messages in this thread | | | Date | Tue, 11 Mar 2014 14:37:32 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH 2/8] perf, tools: Add support for reading JSON event files |
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On Wed, Mar 05, 2014 at 11:49:32AM -0800, Andi Kleen wrote: > From: Andi Kleen <ak@linux.intel.com> > > Add a parser for Intel style JSON event files. This allows > to use an Intel event list directly with perf. The Intel > event lists can be quite large and are too big to store > in unswappable kernel memory. > > The parser code knows how to convert the JSON fields > to perf fields. The conversion code is straight forward. > It knows (very little) Intel specific information, and can be easily > extended to handle fields for other CPUs. > > The parser code is partially shared with an independent parsing > library, which is 2-clause BSD licenced. To avoid any conflicts I marked > those files as BSD licenced too. As part of perf they become GPLv2. > > The events are handled using the existing alias machinery. > > We output the BriefDescription in perf list. > > Right now the json file can be specified as an argument > to perf stat/record/list. Followon patches will automate this. > > Signed-off-by: Andi Kleen <ak@linux.intel.com> > --- > tools/perf/Documentation/perf-list.txt | 6 + > tools/perf/Documentation/perf-record.txt | 3 + > tools/perf/Documentation/perf-stat.txt | 3 + > tools/perf/Makefile.perf | 2 + > tools/perf/builtin-list.c | 2 + > tools/perf/builtin-record.c | 3 + > tools/perf/builtin-stat.c | 2 + > tools/perf/util/jevents.c | 248 +++++++++++++++++++++++++++++++ > tools/perf/util/jevents.h | 3 + > tools/perf/util/pmu.c | 141 ++++++++++++++---- > tools/perf/util/pmu.h | 2 +
please put the alias code factoring (perf_pmu__new_alias) and print_pmu_events changes to separate commits
jirka
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