From nobody Mon Feb 9 23:15:53 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 32189366053 for ; Tue, 27 Jan 2026 18:45:54 +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=1769539555; cv=none; b=QWGe0AXkhij3LQ4McpCtb73LMGPPtNJADtj5PZzi5xZb3mFALqChlRbsMl2q7aJtpC7dPhMSX9iu+HBGRJM0AeaCgMHgFPZR6l8zc6OM3jjvW4xZF8aXzqpHKWwPkTrI++AFWGUh8h/c+iXfWLFxQdL057OBWNPsnwcJ2rlxP2Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769539555; c=relaxed/simple; bh=bp7wUYlwFQ9u8p8yyH/LWJ+nT+cGLAukFIDqJoid0TM=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=lIYT46d8V/TwUt+AFNjyPpPxw5R7d9dIp9ye0DaAbCxtmmx1fozhXR2pQ5x4r2T0EEQ/jbwY08iS6WpIlHmVIgoiZUROS8+yJ0isyMVAy35ogzt5sQOpvKOngpK1zc1b/8LJpY3p3ldIJicPCVe650KSJPzjlvfABs3l7ytmYcA= 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=1lmNwqFL; 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="1lmNwqFL" Received: by mail-dl1-f73.google.com with SMTP id a92af1059eb24-124743cf760so5120637c88.1 for ; Tue, 27 Jan 2026 10:45:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1769539553; x=1770144353; 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=ZlwDSvXJTA5pQkOVBh7Jgz1PRQVOZ1b1qdOJqVwcy94=; b=1lmNwqFLo6EicyM7YjFBIxNJfVMyw8vRNWwjaMRI6NhrXuorxRrVQ6wpdu5/BW307D RKHIV8u3d8ZbKNynJeQdyyFBsL75HRwS7GPibuY22HCdJO2DifiKxqicxPsHZM2CndYI CLJnJlpPKlS4qdBBIVWKDg+EjVMmJepQo65IwZdooFYbpPH0jQHyMHJTKOUK/eRedC8e m83L/qYJM6ws7Xov5lvPdr4t/yqVGIByOyhbTj/wylrLSIIKUJcFpns7GTpb2eL7fQUe VHAX1YaXbQCQJLCz1n8uzq3WQ+9PbOtth7Nnb+UfgZSfC4kbuYWIOfpuOXwu5NOhB16c WGow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769539553; x=1770144353; 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=ZlwDSvXJTA5pQkOVBh7Jgz1PRQVOZ1b1qdOJqVwcy94=; b=lb43qT3SBPRz1VYtKqrqRDU6xVpNkzfh39+HB9euTJAiuJlfbg17rx3OBuGk/ybkuu Q4iIwV+hd7v851B5rZaVnP3M9pA9iDA9Ao319t5qHLZb01f4IKezheuLpkqhXdB2TeOw xMPCRTt31nDq7Rxs0MmVvECxvWUi+LUIsl0nslcIvw9LURe7ODWSUnCOGeCo6vq4wWWq Q6nMcSaOGmRPRGO61YWz51n8Q3r24GQgvlECc6oJMGBHofbfWVowIfsaCExx/s1CUcGt fXDTVqvJVPsZHOl1JzJioCjc12wKUyp4jFVzpNZAGoNb6d2TDpgJ/4ReudkFvS8GHEZT H76Q== X-Forwarded-Encrypted: i=1; AJvYcCVuhpjojc6RGXNinIvXlQ/Q1sQTK6dKSflLTmGgyi4GpvRdH4Qw/UcDpTc5ZWWCPzdl255f9BlhOpaLf+s=@vger.kernel.org X-Gm-Message-State: AOJu0YwMvVDnTPAj0FiBYftVluxyBw/8kiaq5zaHamuhHGj5OmwCoxvG pyWwSduLStiPrRzD8xuuk9cA/S96F7H6a2PLxWVevk+XoyqTjrc3BIWMGxJrq9nViyRv5TMMWVE oMuxV1W7RdQ== X-Received: from dlbrs24.prod.google.com ([2002:a05:7022:f698:b0:124:9f56:9bb7]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:e0e:b0:11b:c1ab:bdd4 with SMTP id a92af1059eb24-124a00dfa79mr1639604c88.38.1769539553255; Tue, 27 Jan 2026 10:45:53 -0800 (PST) Date: Tue, 27 Jan 2026 10:44:45 -0800 In-Reply-To: <20260127184506.3059493-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260127184506.3059493-1-irogers@google.com> X-Mailer: git-send-email 2.52.0.457.g6b5491de43-goog Message-ID: <20260127184506.3059493-15-irogers@google.com> Subject: [PATCH v11 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 , 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