This allows the set of generated jevents events and metrics be limited
to a subset of the model names. Appropriate if trying to minimize the
binary size where only a set of models are possible.
Signed-off-by: Ian Rogers <irog...@google.com>
---
tools/perf/pmu-events/Build | 3 ++-
tools/perf/pmu-events/jevents.py | 4 ++++
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/tools/perf/pmu-events/Build b/tools/perf/pmu-events/Build
index 15b9e8fdbffa..a14de24ecb69 100644
--- a/tools/perf/pmu-events/Build
+++ b/tools/perf/pmu-events/Build
@@ -10,6 +10,7 @@ JEVENTS_PY = pmu-events/jevents.py
ifeq ($(JEVENTS_ARCH),)
JEVENTS_ARCH=$(SRCARCH)
endif
+JEVENTS_MODEL ?= all
#
# Locate/process JSON files in pmu-events/arch/
@@ -23,5 +24,5 @@ $(OUTPUT)pmu-events/pmu-events.c:
pmu-events/empty-pmu-events.c
else
$(OUTPUT)pmu-events/pmu-events.c: $(JSON) $(JSON_TEST) $(JEVENTS_PY)
pmu-events/metric.py
$(call rule_mkdir)
- $(Q)$(call echo-cmd,gen)$(PYTHON) $(JEVENTS_PY) $(JEVENTS_ARCH)
pmu-events/arch $@
+ $(Q)$(call echo-cmd,gen)$(PYTHON) $(JEVENTS_PY) $(JEVENTS_ARCH)
$(JEVENTS_MODEL) pmu-events/arch $@
endif
diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
index c98443319145..e9eba51e8557 100755
--- a/tools/perf/pmu-events/jevents.py
+++ b/tools/perf/pmu-events/jevents.py
@@ -886,12 +886,16 @@ def main() -> None:
action: Callable[[Sequence[str], os.DirEntry], None]) -> None:
"""Replicate the directory/file walking behavior of C's file tree walk."""
for item in os.scandir(path):
+ if (len(parents) == 0 and item.is_dir() and _args.model != 'all' and
+ 'test' not in item.name and item.name not in _args.model.split(',')):
+ continue
action(parents, item)
if item.is_dir():
ftw(item.path, parents + [item.name], action)
ap = argparse.ArgumentParser()
ap.add_argument('arch', help='Architecture name like x86')
+ ap.add_argument('model', help='Model such as skylake, normally "all"',
default='all')
ap.add_argument(
'starting_dir',
type=dir_path,
--
2.39.0.rc1.256.g54fd8350bd-goog
