From nobody Tue Feb 10 02:59:03 2026 Received: from mail-dl1-f73.google.com (mail-dl1-f73.google.com [74.125.82.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C6C2B314A80 for ; Thu, 8 Jan 2026 19:11:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767899490; cv=none; b=jBjVUdCQG4+OalQClKLBXShMyP+pI2XyRrJgpfA04vpFs7qi/nulmd3oZ4nW8bzZuI5eEzGUc3HAtKWtGBRXvxz4vdVHg5opbspmvDoVi4qZwRfyuDq+GS3mWebLVtpeQQfBuMBk+83+r7CjU3IZumcAM/VXUNtleGCHHpB+NHg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767899490; c=relaxed/simple; bh=+gTQNryLEr3/Hv6b1sFXvK918lbzAnY34/Ic4iQIbPQ=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=YAb2z9ImnPjOIWOjXmjg5QHnzgeDsI1WuTvm2kIW7bp9cRcVdyYXf3xlUyBKko2zKE/mX72q7H8aTVProbh3LBLNwUwh1KJB+XY7fW5SQG0ilHfhHrEM8pTS3T9p7XBuw78HyWo945h+M997+WeTViFROaNEE2Zap4waxckkCmU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=fHdpeVsG; arc=none smtp.client-ip=74.125.82.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="fHdpeVsG" Received: by mail-dl1-f73.google.com with SMTP id a92af1059eb24-11b94abc09dso4131481c88.1 for ; Thu, 08 Jan 2026 11:11:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1767899488; x=1768504288; darn=vger.kernel.org; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=WdVij/CdHS3wRypY/uVWHzN4Zg9aAQVd2lazFiqQTms=; b=fHdpeVsGGySO1px4Hnl7NaVlkXGkZ56E31LdmtHilEsP9JMer07c5jwCspxV4Jniwh fy/BldZMAi/Y9IppvaD4RXcs0Kk6sLrkPRM2mDxdrR9vu0IFaV8PAoPFNK4tOtkzjlOV GKAWshhKu3KVuP2BpbMhlDlJswEVtI5x+LQ8KTrv0M78Luls356GRDGdYhswDp7S6+p9 mLHFkgIBd1yjU/UrIHgSd6RrnjlT4vRbMh2typSBr/4tkMCEowne4U+YAv0uQFA97ps0 Tqg0V+iQbCE6/nz0EBEf6o8nnXsJZBLdo+U0YuPYx//y8BDtyf+7sDluqs+SkFoxDDe7 Y1+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767899488; x=1768504288; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=WdVij/CdHS3wRypY/uVWHzN4Zg9aAQVd2lazFiqQTms=; b=lG9W0P0C7WT82nyt/Dm7/D1nqo3hciEUnfycfFWJDzpwKXz8twodm0vcfETEQaj/vE gc0NI9FxgGqkNQwB2KbAaECTUJkGTH1jMyGoWKgwIKmnUE2KoIs/seQPfnnFAv/h0vc3 MWr/+SRZah4wYQv/2yXagxyzrQ+97Zd4Ol8DOVrpgCcWt5BAemmynWZ2HDi9IZpXrjMs euv9jAwkSEEI+UXH6j8xgT1WMw0MALp7lW67I+I/SijKl6e6j952hVSa0k/tcg0/+H/Z /68mr+JJrjUvSGjSPnH5ICf2YZwF6wKrgBe5mR8diC74nHm3irXXbzi+15C3/NnaMG6f /O1g== X-Forwarded-Encrypted: i=1; AJvYcCVFM3eY5oUWZN6K1nKPkr90tan1p1UKI7HPPbME0AGbR/1zwJ+Pf226DPKXi5XeEMi1QKwMlC19ZjeDg6o=@vger.kernel.org X-Gm-Message-State: AOJu0YyDZao+gVkvhORylEJi7pUnFsrwxiI6M9oJqUgxEVa7f0fBdNj2 TZIijoNxZc98Hnxjh1t9S7L/FTSr0DuGf9eTIL1KMgH/qC2B/MzBmKO6+ZWoNGWrxkF2atsF09o sbppuFL4gJA== X-Google-Smtp-Source: AGHT+IHFBkOJ16gxPN8Npq4T+lUGZaKXI3+m6DOic9M52B+SeBca7P9pygG89WJD9554cWVJ0W+2zllRdAxP X-Received: from dlbbq37.prod.google.com ([2002:a05:7022:6725:b0:11f:45c3:e5f6]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:41a7:b0:121:9f05:c4c2 with SMTP id a92af1059eb24-121f8b7baf9mr4895707c88.23.1767899487987; Thu, 08 Jan 2026 11:11:27 -0800 (PST) Date: Thu, 8 Jan 2026 11:10:31 -0800 In-Reply-To: <20260108191105.695131-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260108191105.695131-1-irogers@google.com> X-Mailer: git-send-email 2.52.0.457.g6b5491de43-goog Message-ID: <20260108191105.695131-2-irogers@google.com> Subject: [PATCH v10 01/35] perf jevents: Build support for generating metrics from python From: Ian Rogers To: Adrian Hunter , Alexander Shishkin , Arnaldo Carvalho de Melo , Benjamin Gray , Caleb Biggers , Edward Baker , Ian Rogers , Ingo Molnar , James Clark , Jing Zhang , Jiri Olsa , John Garry , Leo Yan , Namhyung Kim , Perry Taylor , Peter Zijlstra , Samantha Alt , Sandipan Das , Thomas Falcon , Weilin Wang , Xu Yang , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Generate extra-metrics.json and extra-metricgroups.json from python architecture specific scripts. The metrics themselves will be added in later patches. If a build takes place in tools/perf/ then extra-metrics.json and extra-metricgroups.json are generated in that directory and so added to .gitignore. If there is an OUTPUT directory then the tools/perf/pmu-events/arch files are copied to it so the generated extra-metrics.json and extra-metricgroups.json can be added/generated there. Tested-by: Thomas Falcon Signed-off-by: Ian Rogers --- tools/perf/.gitignore | 5 +++ tools/perf/Makefile.perf | 2 + tools/perf/pmu-events/Build | 51 +++++++++++++++++++++++++- tools/perf/pmu-events/amd_metrics.py | 42 +++++++++++++++++++++ tools/perf/pmu-events/arm64_metrics.py | 43 ++++++++++++++++++++++ tools/perf/pmu-events/intel_metrics.py | 42 +++++++++++++++++++++ 6 files changed, 184 insertions(+), 1 deletion(-) create mode 100755 tools/perf/pmu-events/amd_metrics.py create mode 100755 tools/perf/pmu-events/arm64_metrics.py create mode 100755 tools/perf/pmu-events/intel_metrics.py diff --git a/tools/perf/.gitignore b/tools/perf/.gitignore index b64302a76144..133e343bf44e 100644 --- a/tools/perf/.gitignore +++ b/tools/perf/.gitignore @@ -42,6 +42,11 @@ pmu-events/metric_test.log pmu-events/empty-pmu-events.log pmu-events/test-empty-pmu-events.c *.shellcheck_log +pmu-events/arch/**/extra-metrics.json +pmu-events/arch/**/extra-metricgroups.json +tests/shell/*.shellcheck_log +tests/shell/coresight/*.shellcheck_log +tests/shell/lib/*.shellcheck_log feature/ libapi/ libbpf/ diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index b3f481a626af..3714288fc2f8 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -1277,6 +1277,8 @@ ifeq ($(OUTPUT),) pmu-events/metric_test.log \ pmu-events/test-empty-pmu-events.c \ pmu-events/empty-pmu-events.log + $(Q)find pmu-events/arch -name 'extra-metrics.json' -delete -o \ + -name 'extra-metricgroups.json' -delete else # When an OUTPUT directory is present, clean up the copied pmu-events= /arch directory. $(call QUIET_CLEAN, pmu-events) $(RM) -r $(OUTPUT)pmu-events/arch \ $(OUTPUT)pmu-events/pmu-events.c \ diff --git a/tools/perf/pmu-events/Build b/tools/perf/pmu-events/Build index a46ab7b612df..c9df78ee003c 100644 --- a/tools/perf/pmu-events/Build +++ b/tools/perf/pmu-events/Build @@ -29,6 +29,10 @@ $(PMU_EVENTS_C): $(EMPTY_PMU_EVENTS_C) $(call rule_mkdir) $(Q)$(call echo-cmd,gen)cp $< $@ else +# Functions to extract the model from a extra-metrics.json or extra-metric= groups.json path. +model_name =3D $(shell echo $(1)|sed -e 's@.\+/\(.*\)/extra-metric.*\.json= @\1@') +vendor_name =3D $(shell echo $(1)|sed -e 's@.\+/\(.*\)/[^/]*/extra-metric.= *\.json@\1@') + # Copy checked-in json to OUTPUT for generation if it's an out of source b= uild ifneq ($(OUTPUT),) $(OUTPUT)pmu-events/arch/%: pmu-events/arch/% @@ -40,7 +44,52 @@ $(LEGACY_CACHE_JSON): $(LEGACY_CACHE_PY) $(call rule_mkdir) $(Q)$(call echo-cmd,gen)$(PYTHON) $(LEGACY_CACHE_PY) > $@ =20 -GEN_JSON =3D $(patsubst %,$(OUTPUT)%,$(JSON)) $(LEGACY_CACHE_JSON) +GEN_METRIC_DEPS :=3D pmu-events/metric.py + +# Generate AMD Json +ZENS =3D $(shell ls -d pmu-events/arch/x86/amdzen*) +ZEN_METRICS =3D $(foreach x,$(ZENS),$(OUTPUT)$(x)/extra-metrics.json) +ZEN_METRICGROUPS =3D $(foreach x,$(ZENS),$(OUTPUT)$(x)/extra-metricgroups.= json) + +$(ZEN_METRICS): pmu-events/amd_metrics.py $(GEN_METRIC_DEPS) + $(call rule_mkdir) + $(Q)$(call echo-cmd,gen)$(PYTHON) $< $(call model_name,$@) arch > $@ + +$(ZEN_METRICGROUPS): pmu-events/amd_metrics.py $(GEN_METRIC_DEPS) + $(call rule_mkdir) + $(Q)$(call echo-cmd,gen)$(PYTHON) $< -metricgroups $(call model_name,$@) = arch > $@ + +# Generate ARM Json +ARMS =3D $(shell ls -d pmu-events/arch/arm64/arm/*) +ARM_METRICS =3D $(foreach x,$(ARMS),$(OUTPUT)$(x)/extra-metrics.json) +ARM_METRICGROUPS =3D $(foreach x,$(ARMS),$(OUTPUT)$(x)/extra-metricgroups.= json) + +$(ARM_METRICS): pmu-events/arm64_metrics.py $(GEN_METRIC_DEPS) + $(call rule_mkdir) + $(Q)$(call echo-cmd,gen)$(PYTHON) $< $(call vendor_name,$@) $(call model_= name,$@) arch > $@ + +$(ARM_METRICGROUPS): pmu-events/arm64_metrics.py $(GEN_METRIC_DEPS) + $(call rule_mkdir) + $(Q)$(call echo-cmd,gen)$(PYTHON) $< -metricgroups $(call vendor_name,$@)= $(call model_name,$@) arch > $@ + +# Generate Intel Json +INTELS =3D $(shell ls -d pmu-events/arch/x86/*|grep -v amdzen|grep -v mapf= ile.csv) +INTEL_METRICS =3D $(foreach x,$(INTELS),$(OUTPUT)$(x)/extra-metrics.json) +INTEL_METRICGROUPS =3D $(foreach x,$(INTELS),$(OUTPUT)$(x)/extra-metricgro= ups.json) + +$(INTEL_METRICS): pmu-events/intel_metrics.py $(GEN_METRIC_DEPS) + $(call rule_mkdir) + $(Q)$(call echo-cmd,gen)$(PYTHON) $< $(call model_name,$@) arch > $@ + +$(INTEL_METRICGROUPS): pmu-events/intel_metrics.py $(GEN_METRIC_DEPS) + $(call rule_mkdir) + $(Q)$(call echo-cmd,gen)$(PYTHON) $< -metricgroups $(call model_name,$@) = arch > $@ + +GEN_JSON =3D $(patsubst %,$(OUTPUT)%,$(JSON)) \ + $(LEGACY_CACHE_JSON) \ + $(ZEN_METRICS) $(ZEN_METRICGROUPS) \ + $(ARM_METRICS) $(ARM_METRICGROUPS) \ + $(INTEL_METRICS) $(INTEL_METRICGROUPS) =20 $(METRIC_TEST_LOG): $(METRIC_TEST_PY) $(METRIC_PY) $(call rule_mkdir) diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/a= md_metrics.py new file mode 100755 index 000000000000..5f44687d8d20 --- /dev/null +++ b/tools/perf/pmu-events/amd_metrics.py @@ -0,0 +1,42 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +import argparse +import os +from metric import ( + JsonEncodeMetric, JsonEncodeMetricGroupDescriptions, MetricGroup) + +# Global command line arguments. +_args =3D None + + +def main() -> None: + global _args + + def dir_path(path: str) -> str: + """Validate path is a directory for argparse.""" + if os.path.isdir(path): + return path + raise argparse.ArgumentTypeError( + f'\'{path}\' is not a valid directory') + + parser =3D argparse.ArgumentParser(description=3D"AMD perf json genera= tor") + parser.add_argument( + "-metricgroups", help=3D"Generate metricgroups data", action=3D'st= ore_true') + parser.add_argument("model", help=3D"e.g. amdzen[123]") + parser.add_argument( + 'events_path', + type=3Ddir_path, + help=3D'Root of tree containing architecture directories containin= g json files' + ) + _args =3D parser.parse_args() + + all_metrics =3D MetricGroup("", []) + + if _args.metricgroups: + print(JsonEncodeMetricGroupDescriptions(all_metrics)) + else: + print(JsonEncodeMetric(all_metrics)) + + +if __name__ =3D=3D '__main__': + main() diff --git a/tools/perf/pmu-events/arm64_metrics.py b/tools/perf/pmu-events= /arm64_metrics.py new file mode 100755 index 000000000000..204b3b08c680 --- /dev/null +++ b/tools/perf/pmu-events/arm64_metrics.py @@ -0,0 +1,43 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +import argparse +import os +from metric import ( + JsonEncodeMetric, JsonEncodeMetricGroupDescriptions, MetricGroup) + +# Global command line arguments. +_args =3D None + + +def main() -> None: + global _args + + def dir_path(path: str) -> str: + """Validate path is a directory for argparse.""" + if os.path.isdir(path): + return path + raise argparse.ArgumentTypeError( + f'\'{path}\' is not a valid directory') + + parser =3D argparse.ArgumentParser(description=3D"ARM perf json genera= tor") + parser.add_argument( + "-metricgroups", help=3D"Generate metricgroups data", action=3D'st= ore_true') + parser.add_argument("vendor", help=3D"e.g. arm") + parser.add_argument("model", help=3D"e.g. neoverse-n1") + parser.add_argument( + 'events_path', + type=3Ddir_path, + help=3D'Root of tree containing architecture directories containin= g json files' + ) + _args =3D parser.parse_args() + + all_metrics =3D MetricGroup("", []) + + if _args.metricgroups: + print(JsonEncodeMetricGroupDescriptions(all_metrics)) + else: + print(JsonEncodeMetric(all_metrics)) + + +if __name__ =3D=3D '__main__': + main() diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events= /intel_metrics.py new file mode 100755 index 000000000000..65ada006d05a --- /dev/null +++ b/tools/perf/pmu-events/intel_metrics.py @@ -0,0 +1,42 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +import argparse +import os +from metric import ( + JsonEncodeMetric, JsonEncodeMetricGroupDescriptions, MetricGroup) + +# Global command line arguments. +_args =3D None + + +def main() -> None: + global _args + + def dir_path(path: str) -> str: + """Validate path is a directory for argparse.""" + if os.path.isdir(path): + return path + raise argparse.ArgumentTypeError( + f'\'{path}\' is not a valid directory') + + parser =3D argparse.ArgumentParser(description=3D"Intel perf json gene= rator") + parser.add_argument( + "-metricgroups", help=3D"Generate metricgroups data", action=3D'st= ore_true') + parser.add_argument("model", help=3D"e.g. skylakex") + parser.add_argument( + 'events_path', + type=3Ddir_path, + help=3D'Root of tree containing architecture directories containin= g json files' + ) + _args =3D parser.parse_args() + + all_metrics =3D MetricGroup("", []) + + if _args.metricgroups: + print(JsonEncodeMetricGroupDescriptions(all_metrics)) + else: + print(JsonEncodeMetric(all_metrics)) + + +if __name__ =3D=3D '__main__': + main() --=20 2.52.0.457.g6b5491de43-goog