linux-kernel - [PATCH v8 03/52] perf jevents: Allow multiple metricgroups.json files

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Message-ID: <20251113032040.1994090-4-irogers@google.com>
Date: Wed, 12 Nov 2025 19:19:51 -0800
From: Ian Rogers <irogers@...gle.com>
To: Adrian Hunter <adrian.hunter@...el.com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Benjamin Gray <bgray@...ux.ibm.com>, 
	Caleb Biggers <caleb.biggers@...el.com>, Edward Baker <edward.baker@...el.com>, 
	Ian Rogers <irogers@...gle.com>, Ingo Molnar <mingo@...hat.com>, 
	James Clark <james.clark@...aro.org>, Jing Zhang <renyu.zj@...ux.alibaba.com>, 
	Jiri Olsa <jolsa@...nel.org>, John Garry <john.g.garry@...cle.com>, Leo Yan <leo.yan@....com>, 
	Namhyung Kim <namhyung@...nel.org>, Perry Taylor <perry.taylor@...el.com>, 
	Peter Zijlstra <peterz@...radead.org>, Samantha Alt <samantha.alt@...el.com>, 
	Sandipan Das <sandipan.das@....com>, Thomas Falcon <thomas.falcon@...el.com>, 
	Weilin Wang <weilin.wang@...el.com>, Xu Yang <xu.yang_2@....com>, linux-kernel@...r.kernel.org, 
	linux-perf-users@...r.kernel.org
Subject: [PATCH v8 03/52] perf jevents: Allow multiple metricgroups.json files

Allow multiple metricgroups.json files by handling any file ending
with metricgroups.json as a metricgroups file.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/pmu-events/jevents.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
index 3413ee5d0227..03f5ad262eb5 100755
--- a/tools/perf/pmu-events/jevents.py
+++ b/tools/perf/pmu-events/jevents.py
@@ -640,7 +640,7 @@ def preprocess_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
   if not item.is_file() or not item.name.endswith('.json'):
     return
 
-  if item.name == 'metricgroups.json':
+  if item.name.endswith('metricgroups.json'):
     metricgroup_descriptions = json.load(open(item.path))
     for mgroup in metricgroup_descriptions:
       assert len(mgroup) > 1, parents
@@ -693,7 +693,7 @@ def process_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
 
   # Ignore other directories. If the file name does not have a .json
   # extension, ignore it. It could be a readme.txt for instance.
-  if not item.is_file() or not item.name.endswith('.json') or item.name == 'metricgroups.json':
+  if not item.is_file() or not item.name.endswith('.json') or item.name.endswith('metricgroups.json'):
     return
 
   add_events_table_entries(item, get_topic(item.name))
-- 
2.51.2.1041.gc1ab5b90ca-goog