linux/tools/perf/pmu-events/Build
Ian Rogers b79f9a437a perf pmu-events: Change dependencies for empty-pmu-events.c test
Switch from $? (all the prerequisites that are newer than the target)
to $^ (all the prerequisites) as touching jevents.py will mean that
empty-pmu-events.c won't be passed to the diff command breaking the
build.

Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Atish Patra <atishp@rivosinc.com>
Cc: Changbin Du <changbin.du@huawei.com>
Cc: Charles Ci-Jyun Wu <dminus@andestech.com>
Cc: Eric Lin <eric.lin@sifive.com>
Cc: Greentime Hu <greentime.hu@sifive.com>
Cc: Guilherme Amadio <amadio@gentoo.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Inochi Amaoto <inochiama@outlook.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Ji Sheng Teoh <jisheng.teoh@starfivetech.com>
Cc: Jing Zhang <renyu.zj@linux.alibaba.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Locus Wei-Han Chen <locus84@andestech.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Samuel Holland <samuel.holland@sifive.com>
Cc: Sandipan Das <sandipan.das@amd.com>
Cc: Vincent Chen <vincent.chen@sifive.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xu Yang <xu.yang_2@nxp.com>
Link: https://lore.kernel.org/r/20240805194424.597244-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2024-08-06 10:35:27 -03:00

53 lines
1.9 KiB
Text

pmu-events-y += pmu-events.o
JDIR = pmu-events/arch/$(SRCARCH)
JSON = $(shell [ -d $(JDIR) ] && \
find $(JDIR) -name '*.json' -o -name 'mapfile.csv')
JDIR_TEST = pmu-events/arch/test
JSON_TEST = $(shell [ -d $(JDIR_TEST) ] && \
find $(JDIR_TEST) -name '*.json')
JEVENTS_PY = pmu-events/jevents.py
METRIC_PY = pmu-events/metric.py
METRIC_TEST_PY = pmu-events/metric_test.py
EMPTY_PMU_EVENTS_C = pmu-events/empty-pmu-events.c
PMU_EVENTS_C = $(OUTPUT)pmu-events/pmu-events.c
METRIC_TEST_LOG = $(OUTPUT)pmu-events/metric_test.log
TEST_EMPTY_PMU_EVENTS_C = $(OUTPUT)pmu-events/test-empty-pmu-events.c
EMPTY_PMU_EVENTS_TEST_LOG = $(OUTPUT)pmu-events/empty-pmu-events.log
ifeq ($(JEVENTS_ARCH),)
JEVENTS_ARCH=$(SRCARCH)
endif
JEVENTS_MODEL ?= all
#
# Locate/process JSON files in pmu-events/arch/
# directory and create tables in pmu-events.c.
#
ifeq ($(NO_JEVENTS),1)
$(PMU_EVENTS_C): $(EMPTY_PMU_EVENTS_C)
$(call rule_mkdir)
$(Q)$(call echo-cmd,gen)cp $< $@
else
$(METRIC_TEST_LOG): $(METRIC_TEST_PY) $(METRIC_PY)
$(call rule_mkdir)
$(Q)$(call echo-cmd,test)$(PYTHON) $< 2> $@ || (cat $@ && false)
$(TEST_EMPTY_PMU_EVENTS_C): $(JSON) $(JSON_TEST) $(JEVENTS_PY) $(METRIC_PY) $(METRIC_TEST_LOG)
$(call rule_mkdir)
$(Q)$(call echo-cmd,gen)$(PYTHON) $(JEVENTS_PY) none none pmu-events/arch $@
$(EMPTY_PMU_EVENTS_TEST_LOG): $(EMPTY_PMU_EVENTS_C) $(TEST_EMPTY_PMU_EVENTS_C)
$(call rule_mkdir)
$(Q)$(call echo-cmd,test)diff -u $^ 2> $@ || (cat $@ && false)
$(PMU_EVENTS_C): $(JSON) $(JSON_TEST) $(JEVENTS_PY) $(METRIC_PY) $(METRIC_TEST_LOG) $(EMPTY_PMU_EVENTS_TEST_LOG)
$(call rule_mkdir)
$(Q)$(call echo-cmd,gen)$(PYTHON) $(JEVENTS_PY) $(JEVENTS_ARCH) $(JEVENTS_MODEL) pmu-events/arch $@
endif
# pmu-events.c file is generated in the OUTPUT directory so it needs a
# separate rule to depend on it properly
$(OUTPUT)pmu-events/pmu-events.o: $(PMU_EVENTS_C)
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)