From nobody Mon Feb 9 06:25:42 2026 Received: from mail-dl1-f74.google.com (mail-dl1-f74.google.com [74.125.82.74]) (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 A44FC32C945 for ; Thu, 8 Jan 2026 19:12:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.74 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767899554; cv=none; b=m0SZGE0XxhmOWCgcvVNhQaJRqNn+edrDERFlcWO8W+HSCRYiPZrHKMh5Y7/NB8YUeknhoiACbKCZ93ybutnno4BCXhykGCkuOQbqj2zolDYhxN2Q7vr8aBEACuBrmTRKQA/jVtPVfio869Jkw7raBNpFG8K+gIubcdN7d6jz4xU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767899554; c=relaxed/simple; bh=J+f02vC6vGMWfbo7N83jJBpPCUC7ojdATQyc1Sr4ucs=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=aItbuNuAM5HommVkKroHL8kr8FNRxwEaMlbfIQSFp1Ux+JT0GAZf8rVjiJFchcQFy72YrR/BwjoX9pWjpkto0Xook59ueX620MG0mqNIXjvtQH0/XSfTaadQ1DoCu9euioN0I5Ebf/Ez5DdBEyAA0AS6P6SuVgrhoQxXMs1LP5M= 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=RAozLpJY; arc=none smtp.client-ip=74.125.82.74 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="RAozLpJY" Received: by mail-dl1-f74.google.com with SMTP id a92af1059eb24-11b21dfe918so1629535c88.0 for ; Thu, 08 Jan 2026 11:12:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1767899552; x=1768504352; 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=FbXTdK+dMmj1w20jlEWvuTScD9bjGDPfd4CifWDSxbc=; b=RAozLpJYhaO/GKIYtwnzpJdIM1oOvT4RpUiZAYEMHD55mnsz+VRxQL1qlsxMbuAhmc z7XMLumH09cipxf6lxtWjBLr6Z9bABhtclRDNrY5FDc1HCDbyTW7NaPkYNpgw7KABuSL JQKT/k/aTFPF2bOHf1rqkNKKDiUmKw5BYxlvH3tLr9iHUD0+j9fwtupfcSf1QOG59u39 8I47/3hv0R8XySK8H8x5oX9gMQ4FITkALlHQ9mLkNZOlsdY8znyppRORrn4Gv53wWYlU muDIjm2NKZ4LC+gtG6eSu4kW7rfk8d/21PFhKKiaOZ/FFcVQvf9ZuItAmToEBUGeFrLa U/jg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767899552; x=1768504352; 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=FbXTdK+dMmj1w20jlEWvuTScD9bjGDPfd4CifWDSxbc=; b=aUxRgycbHeSQlmWNzsEvV6nJmNdcgDat1zz2ix1rNryg/WrHugVkwl9BPBH6mcgI0x BReAvfos83CmVsFgjEqSq9fiLk2P2CKSIowJByk+57ozMTmD7oA6N/JUNYwqWitzb/wx sJWXiAHdPbXTQcA/YUeQvx6y6LbqwxKzBKV5C2aAWGpwbsuhBmsxqhs6Du0tIXjx5poF k7+QxopFfzA1YW8Gfn97V+pkVqrPwyq2tysaXGSUbXPm0tmgI1MnbvKdQjCNsf/v7UpO Dnc34mrvXMJ2szyNb4yI8Gene/sxAFqH7W1DZeCyob20V3O+mOgUuCRMIL4elDaSXpT9 Erlw== X-Forwarded-Encrypted: i=1; AJvYcCX+T+H0rmxo5aJ5gfwpccKVmyyifFV8FRXtpSa62c8CA1mDF7B9ztgd9uwKo8ixNxDmNoSJOrIQYSJ7+sk=@vger.kernel.org X-Gm-Message-State: AOJu0Yzeaa+Jz7iZKVHW3Wyeh0Rl7G1N/mv59IxUHBChEJAhioV05XK7 1sC539oZaiqadqwc49fIpxhY3aWyp2el43TAT4hwiGn4PCiHTMw6BnEMZqcaEKbWKf/FFwhMcMj V+BTKOrwGMw== X-Google-Smtp-Source: AGHT+IGAA2yE/NJa3SzPn1/ZdLSyNxrmof7l6ODeKVPxDFp55Pp4RwkZHSNTayJhhJKuW5DvwlfGyvIYkpIB X-Received: from dlbpk2.prod.google.com ([2002:a05:7022:3842:b0:119:78ff:fe11]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:ec88:b0:11b:ca88:c4f1 with SMTP id a92af1059eb24-121f865e7f7mr6749184c88.20.1767899551756; Thu, 08 Jan 2026 11:12:31 -0800 (PST) Date: Thu, 8 Jan 2026 11:11:05 -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: <20260108191105.695131-36-irogers@google.com> Subject: [PATCH v10 35/35] perf jevents: Validate that all names given an Event 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" Validate they exist in a json file from one directory found from one directory above the model's json directory. This avoids broken fallback encodings being created. Tested-by: Thomas Falcon Signed-off-by: Ian Rogers --- tools/perf/pmu-events/metric.py | 36 +++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/tools/perf/pmu-events/metric.py b/tools/perf/pmu-events/metric= .py index 2029b6e28365..585454828c2f 100644 --- a/tools/perf/pmu-events/metric.py +++ b/tools/perf/pmu-events/metric.py @@ -11,12 +11,14 @@ from typing import Dict, List, Optional, Set, Tuple, Un= ion all_pmus =3D set() all_events =3D set() experimental_events =3D set() +all_events_all_models =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 global experimental_events + global all_events_all_models all_events =3D { "context\\-switches", "cpu\\-cycles", @@ -42,6 +44,20 @@ def LoadEvents(directory: str) -> None: # The generated directory may be the same as the input, which # causes partial json files. Ignore errors. pass + all_events_all_models =3D all_events.copy() + for root, dirs, files in os.walk(directory + ".."): + for filename in files: + if filename.endswith(".json"): + try: + for x in json.load(open(f"{root}/{filename}")): + if "EventName" in x: + all_events_all_models.add(x["EventName"]) + elif "ArchStdEvent" in x: + all_events_all_models.add(x["ArchStdEvent"]) + except json.decoder.JSONDecodeError: + # The generated directory may be the same as the input, which + # causes partial json files. Ignore errors. + pass =20 =20 def CheckPmu(name: str) -> bool: @@ -64,6 +80,25 @@ def CheckEvent(name: str) -> bool: =20 return name in all_events =20 +def CheckEveryEvent(*names: str) -> None: + """Check all the events exist in at least one json file""" + global all_events_all_models + if len(all_events_all_models) =3D=3D 0: + assert len(names) =3D=3D 1, f"Cannot determine valid events in {names}" + # No events loaded so assume any event is good. + return + + for name in names: + # Remove trailing modifier. + if ':' in name: + name =3D name[:name.find(':')] + elif '/' in name: + name =3D name[:name.find('/')] + if any([name.startswith(x) for x in ['amd', 'arm', 'cpu', 'msr', 'po= wer']]): + continue + if name not in all_events_all_models: + raise Exception(f"Is {name} a named json event?") + =20 def IsExperimentalEvent(name: str) -> bool: global experimental_events @@ -403,6 +438,7 @@ class Event(Expression): =20 def __init__(self, *args: str): error =3D "" + CheckEveryEvent(*args) for name in args: if CheckEvent(name): self.name =3D _FixEscapes(name) --=20 2.52.0.457.g6b5491de43-goog