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-rw-r--r--tools/perf/pmu-events/Build43
1 files changed, 43 insertions, 0 deletions
diff --git a/tools/perf/pmu-events/Build b/tools/perf/pmu-events/Build
new file mode 100644
index 0000000000..1d18bb8940
--- /dev/null
+++ b/tools/perf/pmu-events/Build
@@ -0,0 +1,43 @@
+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 = $(OUTPUT)pmu-events/metric_test.log
+
+ifeq ($(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 $@ && false)
+
+$(PMU_EVENTS_C): $(JSON) $(JSON_TEST) $(JEVENTS_PY) $(METRIC_PY) $(METRIC_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)