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AJvYcCV/QlIH/WfO791jRylSv/3P+DBRHX+U/u/33I4r5mdt7/4tcluo0zZS8VV1xjwzya4lQxIxR8LR7LFB2Cs=@vger.kernel.org X-Gm-Message-State: AOJu0YyProUX+N/11yu/BiGMZSDjJhfxcbN3UTZu0/gLU2qM2YgTOoCe jWi4VuTZW8NAegU/0aUg9u9cKcE3F0cNPhUtRDJ879N6fv2RablxbXFOmsQ0B6VBqtsXoi9PzN4 BKcV+iBuAIg== X-Google-Smtp-Source: AGHT+IGbNBIZRRXlehmzTL2WQ8wGUyQD1mW1Qje7wUiLgUUmGWjGqvq48ym7ZTxCo6BwTdyJ7CuqFfkY7A0d X-Received: from pjjz1.prod.google.com ([2002:a17:90a:6d01:b0:329:7040:8862]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:57e7:b0:32a:15cc:57d5 with SMTP id 98e67ed59e1d1-32a15cc9665mr9334729a91.13.1756961222947; Wed, 03 Sep 2025 21:47:02 -0700 (PDT) Date: Wed, 3 Sep 2025 21:46:34 -0700 In-Reply-To: <20250904044653.1002362-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250904044653.1002362-1-irogers@google.com> X-Mailer: git-send-email 2.51.0.338.gd7d06c2dae-goog Message-ID: <20250904044653.1002362-4-irogers@google.com> Subject: [PATCH v6 03/22] perf jevents: Add CheckPmu to see if a PMU is in loaded json events From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , James Clark , Xu Yang , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, John Garry , Jing Zhang , Sandipan Das , Benjamin Gray , Perry Taylor , Samantha Alt , Caleb Biggers , Weilin Wang , Edward Baker , Thomas Falcon Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" CheckPmu can be used to determine if hybrid events are present, allowing for hybrid conditional metrics/events/pmus to be premised on the json files rather than hard coded tables. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/metric.py | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/tools/perf/pmu-events/metric.py b/tools/perf/pmu-events/metric= .py index e33e163b2815..62d1a1e1d458 100644 --- a/tools/perf/pmu-events/metric.py +++ b/tools/perf/pmu-events/metric.py @@ -8,10 +8,12 @@ import re from enum import Enum from typing import Dict, List, Optional, Set, Tuple, Union =20 +all_pmus =3D set() all_events =3D set() =20 def LoadEvents(directory: str) -> None: """Populate a global set of all known events for the purpose of validati= ng Event names""" + global all_pmus global all_events all_events =3D { "context\\-switches", @@ -26,6 +28,8 @@ def LoadEvents(directory: str) -> None: if filename.endswith(".json"): try: for x in json.load(open(f"{directory}/{filename}")): + if "Unit" in x: + all_pmus.add(x["Unit"]) if "EventName" in x: all_events.add(x["EventName"]) elif "ArchStdEvent" in x: @@ -36,6 +40,10 @@ def LoadEvents(directory: str) -> None: pass =20 =20 +def CheckPmu(name: str) -> bool: + return name in all_pmus + + def CheckEvent(name: str) -> bool: """Check the event name exists in the set of all loaded events""" global all_events --=20 2.51.0.338.gd7d06c2dae-goog