From nobody Fri Oct 3 15:34:23 2025 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (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 8024F2253A0 for ; Fri, 29 Aug 2025 05:32:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756445574; cv=none; b=TbKU2EE4K3SRvip+5Ti/Vyp5CnCd+j91C8ElohCm/KTifA1EnAvKVDR1R/4jBygH41D5vR3ooWXgO0IrycErHXWM44KCGuGXQLl0vmqNysdh2QqoitHanqXtC8YxPyrMZMuRdjvPIrPlDhenP1MZqcwoiHfhxqmzCDh9A0Bzn4g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756445574; c=relaxed/simple; bh=fwAL01LE19lhQ9UMyPpq4PFhYNoK6DT1X94dohuXWL0=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=cau2wNBXib2MHAbC+VOXGMMYBHc/E5F/5P047GCLsdG2KAoCDKJqt1WiZlF6nTstdNfBCq4WOjL1IPo2xejmIMGd2KfqAd3sbK4mo1RoeMrduMAXXPsrobHb+Wfqm3BpxwC69ZNOOpI+gW9LEDMHQRxiSjRFyKytCsYgDAyHT+c= 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=LHMMB876; arc=none smtp.client-ip=209.85.214.201 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="LHMMB876" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-24457ef983fso34129565ad.0 for ; Thu, 28 Aug 2025 22:32:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1756445572; x=1757050372; 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=pU2fAeE5oM19Gv08YDHyl9/3IFT39lq/g2I7zGvb/Xc=; b=LHMMB876jLun872dFqLtXNrEzb9/HB65UEX79j0mbz5/J4QQGCbUrxdHb0OcvORILu h29CaKSkfMun6ysZGw6Gh+Szf3u8bWE6+4pVTULYwF+aOe+jbi9OLKlc0qGPVVwpL/P2 Ppy2FOrYRDDcqy+Ytug/hE7ypGBkrYK4POqbL3kMl16/eBFRL+DeImk4VAelLxkpb9V5 isYCFRpSHohY64aFgDwr7fZihMvbXbYbmdcmEpzD+OaT/DH66YyciMPmN/3J/LNhDtcl KmyT+ULgNEgvucHUXQk5k+y1yQnsLAX9Dxq5gh/oxS0RKCGKiOevybP4gLiZezEyBtOZ dc+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756445572; x=1757050372; 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=pU2fAeE5oM19Gv08YDHyl9/3IFT39lq/g2I7zGvb/Xc=; b=ky61HY9WqOIKuiRsbwPVCIDvSEnbW3TniK616maoPH/PMVuhSZBiCrChCe3a8Jc61r UPvkzRR5sy1w5LmqUMH0d9UkQQqrOMAf4jun2JPiRTPcJxGgf9lp4xsEPnUIcYUGKOF5 ARdre87IgD953xMI2lx7GVqBGUooWIDNrbqKtVNXjtZF1yzsyXdfXsRbSz6NuPzI30yO Rlf2+GgMe7ujxgHVI5MGwjAOemAwYNWg5TTGplIPDO0JrkQRzEIAlxx0d62kKZcZBiya xaueppuzBB1pkf9r4KzQlKDer8kwoWR24M0Q9IzNTaRK7tjTTz+UunM35bp7NEfBfWVw 38dg== X-Forwarded-Encrypted: i=1; AJvYcCVEg8GCV5oiyw7FtnsQYcYwy9T3IrQcbyiqcuGfh0QvCOWMC4Aq0N2VdbNWMGV8vC1kxj2otXWw/AtrM8I=@vger.kernel.org X-Gm-Message-State: AOJu0Yyz3kwLQ1eCJuxYjjAUS85BNr+EUxBkjRhyuZvnPiKl7/HWFuVE DvYCMa0VQjGrkOBBXfHwNJx2/HmdtG5YU/RkmWSgkLWr/B/G2VL4udqzqVEa+HUgWy6Q1sdS3qc aMFQ2iFO+XA== X-Google-Smtp-Source: AGHT+IEXo8lujkPD6NwKIYSQQ44USgnCa80S8P2/L/lAYZbF7W+ElqRCMv4FbfFb51L26IXnQPyD74pxYC28 X-Received: from pjbdb3.prod.google.com ([2002:a17:90a:d643:b0:327:5941:b2fd]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:c403:b0:242:9bca:863c with SMTP id d9443c01a7336-2462ef47b04mr396377635ad.54.1756445571769; Thu, 28 Aug 2025 22:32:51 -0700 (PDT) Date: Thu, 28 Aug 2025 22:32:35 -0700 In-Reply-To: <20250829053235.21994-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250829053235.21994-1-irogers@google.com> X-Mailer: git-send-email 2.51.0.318.gd7df087d1a-goog Message-ID: <20250829053235.21994-4-irogers@google.com> Subject: [PATCH v5 3/3] perf jevents: Validate that all names given an Event 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 , Leo Yan 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. 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 315350f3b6ed..92dcd4cd9d54 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", "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 2.51.0.318.gd7df087d1a-goog