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AJvYcCVyZ0CalfhQo2NwXlYBIDlINEY6ZpqV8XC7m5swXD0cLK4UQ4Fc2BwTIIvFzFbsnVxo/2B3abamYFNUvQA=@vger.kernel.org X-Gm-Message-State: AOJu0Yw+YUNMGMnskK9irabww8BI7eKPxIxEP7qChV8kyWD1HpSI8Clm 2lueouMCL2MpHtIeh3QcLROG8KbT/BXs8T93zjAT+hLwNuYJZndg11rm+ePuO8rD+rS0kMAaVHF BPZPoMuG8hw== X-Google-Smtp-Source: AGHT+IGJJ/p0fhtPUPumCcKcm6lbsZ6C8U1Qdqbs2veuIqkmDamfVsqWWn/On2uRaOydb1Ld8CGqKXpAaTnu X-Received: from dlbdt22.prod.google.com ([2002:a05:7022:2596:b0:11f:30f6:ea10]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:b82:b0:11b:9386:8258 with SMTP id a92af1059eb24-121f8b76b79mr6229029c88.45.1767899513332; Thu, 08 Jan 2026 11:11:53 -0800 (PST) Date: Thu, 8 Jan 2026 11:10:44 -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: <20260108191105.695131-15-irogers@google.com> Subject: [PATCH v10 14/35] 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. Tested-by: Thomas Falcon 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 2.52.0.457.g6b5491de43-goog