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AJvYcCUCVhzgb9aGUQ53wQpC7V4Sg6wCObOjRoB/io90/eTjxrzYEUNs6JRF/uPqlqSnDdVK6baGfOYiXL7MGko=@vger.kernel.org X-Gm-Message-State: AOJu0YyDb1StzHRf+059QPy8lfW5K2AhlJaX0eKvo53AUgT6rHAak7tO kn0R6DSC3bripLnsdIy6wEfJpwBKQK6o9WtgFPICa8MCXTmp0cU93vFrN7FVyBnibQqHygoWM4H 3yYRRys+LGA== X-Google-Smtp-Source: AGHT+IELChdLGepD16cMdJFlCGSq1vQv0//kOzXIur+0B6dP8L4hB1a2ag4vLjYxov3UcU9S5KBpkbBCw231 X-Received: from dlbqj6.prod.google.com ([2002:a05:7022:ec06:b0:11a:4c58:f398]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:944:b0:295:32ea:4cf6 with SMTP id d9443c01a7336-2984ed27f0emr67157975ad.5.1763004111750; Wed, 12 Nov 2025 19:21:51 -0800 (PST) Date: Wed, 12 Nov 2025 19:20:18 -0800 In-Reply-To: <20251113032040.1994090-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20251113032040.1994090-1-irogers@google.com> X-Mailer: git-send-email 2.51.2.1041.gc1ab5b90ca-goog Message-ID: <20251113032040.1994090-31-irogers@google.com> Subject: [PATCH v8 30/52] perf jevents: Add CheckPmu to see if a PMU is in loaded json events 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" 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 2.51.2.1041.gc1ab5b90ca-goog