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SubjectRe: [PATCH 4/6] perf, tool: Add events support for pmu
On Fri, Jun 29, 2012 at 01:36:07PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Jun 14, 2012 at 10:38:39PM +0200, Jiri Olsa escreveu:
> > The pmu sysfs record expose events group attribute with
> > hardware events translations.
> >
> > Adding support to read those and make it available throught:
> > __u64 perf_pmu__event(struct perf_pmu *pmu, unsigned id)
> >
> > Signed-off-by: Jiri Olsa <jolsa@redhat.com>
> > ---
> > tools/perf/util/pmu.c | 98 ++++++++++++++++++++++++++++++++++++++++++++++++-
> > tools/perf/util/pmu.h | 2 +
> > 2 files changed, 98 insertions(+), 2 deletions(-)
> >
> > diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
> > index 1d73131..bf2a2a9 100644
> > --- a/tools/perf/util/pmu.c
> > +++ b/tools/perf/util/pmu.c
> > @@ -88,6 +88,94 @@ static int pmu_format(char *name, struct list_head *format)
> > return 0;
> > }
> >
> > +const char *events_files[PERF_COUNT_HW_MAX] = {
> > + [PERF_COUNT_HW_CPU_CYCLES] = "cycles",
> > + [PERF_COUNT_HW_INSTRUCTIONS] = "instructions",
> > + [PERF_COUNT_HW_CACHE_REFERENCES] = "cache_references",
> > + [PERF_COUNT_HW_CACHE_MISSES] = "cache_misses",
> > + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = "branch_instructions",
> > + [PERF_COUNT_HW_BRANCH_MISSES] = "branch_misses",
> > + [PERF_COUNT_HW_BUS_CYCLES] = "bus_cycles",
> > + [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = "stalled_cycles_frontend",
> > + [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = "stalled_cycles_backend",
> > + [PERF_COUNT_HW_REF_CPU_CYCLES] = "ref_cycles",
>
> we have this one:
>
> static const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX] = {
>
> Can't it be used?

right, probably yes... I need to redesign the patch anyway,
I'll see if I can use it

thanks,
jirka


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