[PATCH v2 9/9] perf jevents: Add model list option
From: Ian Rogers <irogers@google.com>
Date: 2022-12-21 22:36:53
Also in:
linux-arm-kernel, linux-perf-users, lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
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 <irogers@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,
--
2.39.0.314.g84b9a713c41-goog