Re: [PATCH v4 03/17] perf jevents: Add JEVENTS_ARCH make option

From: Arnaldo Carvalho de Melo
Date: Tue Aug 09 2022 - 15:39:28 EST


Em Fri, Aug 05, 2022 at 10:55:50AM +0100, John Garry escreveu:
> On 04/08/2022 23:18, Ian Rogers wrote:
> > Allow the architecture built into pmu-events.c to be set on the make
> > command line with JEVENTS_ARCH.
> >
> > Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
>
> Seems reasonable, so:
>
> Reviewed-by: John Garry <john.garry@xxxxxxxxxx>

Thanks, applied.

- Arnaldo


> I assume that if we run on the wrong arch (than we build for) then it has
> same effect as if pmu-events is not supported.
>
> > ---
> > tools/perf/pmu-events/Build | 6 +++++-
> > 1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/tools/perf/pmu-events/Build b/tools/perf/pmu-events/Build
> > index 28a9d01b08af..04ef95174660 100644
> > --- a/tools/perf/pmu-events/Build
> > +++ b/tools/perf/pmu-events/Build
> > @@ -7,6 +7,10 @@ JSON_TEST = $(shell [ -d $(JDIR_TEST) ] && \
> > find $(JDIR_TEST) -name '*.json')
> > JEVENTS_PY = pmu-events/jevents.py
> > +ifeq ($(JEVENTS_ARCH),)
> > +JEVENTS_ARCH=$(SRCARCH)
> > +endif
> > +
> > #
> > # Locate/process JSON files in pmu-events/arch/
> > # directory and create tables in pmu-events.c.
> > @@ -19,5 +23,5 @@ $(OUTPUT)pmu-events/pmu-events.c: pmu-events/empty-pmu-events.c
> > else
> > $(OUTPUT)pmu-events/pmu-events.c: $(JSON) $(JSON_TEST) $(JEVENTS_PY)
> > $(call rule_mkdir)
> > - $(Q)$(call echo-cmd,gen)$(PYTHON) $(JEVENTS_PY) $(SRCARCH) pmu-events/arch $@
> > + $(Q)$(call echo-cmd,gen)$(PYTHON) $(JEVENTS_PY) $(JEVENTS_ARCH) pmu-events/arch $@
> > endif

--

- Arnaldo