From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (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 3F0533AC17 for ; Wed, 26 Mar 2025 03:51:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742961067; cv=none; b=eOimkyHBS6vojf24KvBmgyEKhJ/l06xh2Ua0DkSK3XovI059LYZ5PQHQH6tMuwJmYGtxyPlGdyZ4Nh0CpeDHbf+ZOsiQ5LJe/qOxn9oq7RfBgm0brw2CubNOHaAqqnyqS6pIkTgj3RggAq05iK5jvIIdIq8pqacUw1SH1eK7RkA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742961067; c=relaxed/simple; bh=OrNdDDtLr7sWANp1hVQxXXdW61TAcKhwpU/lYJV6sUI=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=YwmGjdgYAqaNJj3uvpO6GEix/zpRcg/Lf1VHxtrwCpM/I+dXoQ2wooyQ4xz8hYTJpFf52eK7FAS/IuCtoNC77cGFH2LlIVHJbV/1rlZjYnyMhFxatXXZH6rAfKGRf0FjweHJPhSg6pYsMrv+wC8ARz+/2zRUFV47ehalsHvh4fw= 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=kP+WiVAL; arc=none smtp.client-ip=209.85.214.202 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="kP+WiVAL" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-22403329f9eso91333185ad.3 for ; Tue, 25 Mar 2025 20:51:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1742961065; x=1743565865; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=Q4SBEUeVaxUtokJPIUYjJGAnoRWPInWE392dc3Q7SjQ=; b=kP+WiVAL/hBksX9PeSCEeTC9pI+ufxHlTmST9OMttl2oawKvio/fsP6ASgBtkIJZNK 6UUzIb42Pk7LtMaybxX+jXRmIBPdpIoLJrze1uEaxjRYHcyH8b/tXwN2SccqdJgY6QdR TE08jrUdbT2TLT72lk637xZ/5O5ta86T9UeRbEMvfnZnYYvG0jMX7fHnQs1wJHLOHTFB +hYxZ0xz7edWUx1V6NUpJ369sCttLG6AvgWiG+CRgo5V/Xqhnbsy2/PXayMaYORoHtvG MNWsj5fE+k2CDk2CYwwa7ByXriKXAAXFtrYKgLXG0TERRjfY5OFL8jzNC6F6x6i+IWX0 /YZg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1742961065; x=1743565865; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Q4SBEUeVaxUtokJPIUYjJGAnoRWPInWE392dc3Q7SjQ=; b=MD0flJxrLM/lix9pAm6RjnCKTB6D4PLAtYNSpQ6g5MZryrqtFJuJjYmDuynJQMMd65 7WowulrVJFhPY5Ep+CHd5X+eK/EyTLymYw4Q/OnE5waejevxwQtZZjnhe3LmT5km8beY rrdkLrrvPiIjK9d/OYBH80mzM7/5P6FPKDxkEV3RtzDS40BBjvEVykD+lGdTpeMQGJLA 6TCbt31B0Sq9KlckKnas0s+mMKOQcb3z1Tu3014C6a62ZoaKqnN+m1bW21elq3q51Zvj IxsAouYcHJ6WLhe8L2Dv8jCqsEChIdBp+Hlz8dI21qP4WYdcIhdQ23E88GpSo5B6wbPk 07AQ== X-Forwarded-Encrypted: i=1; AJvYcCUoHn34gQjk+M463YGKtzJ3bsKf0t0bBqZi3mBjKrnaYGeFTQqafSjZaWwTZ7d4w7jCy1yCHV2i1o+oMM4=@vger.kernel.org X-Gm-Message-State: AOJu0Yz10OgPecP/XO4gnP6q9wc4SAPSs2SJbQ+QmVWmSyHCrfMvYYiN 6p/XF7RQo0QK8qw04hi6fpc5omZHjqRjdWR68yYPMpMYjn+m90QrYfqmNC0wufwfCYMF6TAyQ4Y 23h+bqA== X-Google-Smtp-Source: AGHT+IFX6TAUq+5C9170e0/iEjt+LX7tYFuOYRqyp7uoH5Mv47EnjgV63qQG1LlVmvC8atTnWkrS5Orlfjl2 X-Received: from pffk14.prod.google.com ([2002:aa7:88ce:0:b0:730:8e17:ed13]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:4602:b0:739:56c2:b661 with SMTP id d2e1a72fcca58-73956c2b9efmr534037b3a.12.1742961065431; Tue, 25 Mar 2025 20:51:05 -0700 (PDT) Date: Tue, 25 Mar 2025 20:50:41 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.49.0.395.g12beb8f557-goog Message-ID: <20250326035045.129440-1-irogers@google.com> Subject: [PATCH v2 0/4] Add support for a DRM tool like PMU 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 , "Masami Hiramatsu (Google)" , James Clark , Weilin Wang , Dominique Martinet , Thomas Richter , Junhao He , Jean-Philippe Romain , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Content-Type: text/plain; charset="UTF-8" DRM clients expose information through usage stats as documented in Documentation/gpu/drm-usage-stats.rst (available online at https://docs.kernel.org/gpu/drm-usage-stats.html). Add a tool like PMU, similar to the hwmon PMU, that exposes DRM information. v2: Add support to only scan hwmon and drm PMUs if the event or PMU wildcard can match. Add a test as requested by Namhyung. Add file comments. v1: https://lore.kernel.org/lkml/20250211071727.364389-1-irogers@google.com/ Ian Rogers (4): perf parse-events: Avoid scanning PMUs that can't contain events perf parse-events: Avoid scanning PMUs that can't match a wildcard perf drm_pmu: Add a tool like PMU to expose DRM information perf tests: Add a DRM PMU test tools/perf/tests/shell/drm_pmu.sh | 77 ++++ tools/perf/util/Build | 1 + tools/perf/util/drm_pmu.c | 689 ++++++++++++++++++++++++++++++ tools/perf/util/drm_pmu.h | 39 ++ tools/perf/util/evsel.c | 9 + tools/perf/util/parse-events.c | 30 +- tools/perf/util/pmu.c | 15 + tools/perf/util/pmu.h | 4 +- tools/perf/util/pmus.c | 101 ++++- tools/perf/util/pmus.h | 2 + 10 files changed, 951 insertions(+), 16 deletions(-) create mode 100755 tools/perf/tests/shell/drm_pmu.sh create mode 100644 tools/perf/util/drm_pmu.c create mode 100644 tools/perf/util/drm_pmu.h -- 2.49.0.395.g12beb8f557-goog