From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9CE1BCAC59A for ; Tue, 16 Sep 2025 07:35:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 565A310E1A3; Tue, 16 Sep 2025 07:35:34 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="m3HHWS0L"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7775C10E08A; Tue, 16 Sep 2025 07:35:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1758008132; x=1789544132; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=OPue7su3CypKqBwdePJhsUWz6agcLyDP9IpGUay8+AM=; b=m3HHWS0LoD1USyVzyZlBm/JBsH9+ZlnIjBrQkQIwfCK7wHXVeCu/jB/w fZ852IB6FFCp7I91PsuUPvdkV8d3vIQbNur6afvE5qh7u71gABLCL6fw4 PElGJPxpM3/FrBvbbCCTIhFYwEyGh8MKN2ca55SNUCmHEwFXhEL/eKx7v AgfteLsxq8PZzINjcb1Q/07QFM4xbZ0U1WC+ru9dmOopVkjy342NqF6c2 ABxh160uHidGQKYgNI3KamWtWUWLdSnIhh9ZOD1WJMOgEi4ebbpjuaERI XxUIEExmKrdDuE6ZkCw6KLmdVvdgcUykKUO2vSLclBu3rNU4yMGkjDZir g==; X-CSE-ConnectionGUID: hZIPpfvCQomSm6C45vG44g== X-CSE-MsgGUID: HbVlO6onRQOmXfXcqJqt2w== X-IronPort-AV: E=McAfee;i="6800,10657,11554"; a="70960405" X-IronPort-AV: E=Sophos;i="6.18,268,1751266800"; d="scan'208";a="70960405" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2025 00:35:30 -0700 X-CSE-ConnectionGUID: kjCspqE9TZaahAHDmP4BPA== X-CSE-MsgGUID: hB5mv/8ITai69Xi8NKZ8lg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,268,1751266800"; d="scan'208";a="179250715" Received: from intel-s2600wft.iind.intel.com ([10.223.26.143]) by fmviesa005.fm.intel.com with ESMTP; 16 Sep 2025 00:35:27 -0700 From: S Sebinraj To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: jeevaka.badrappan@intel.com, S Sebinraj Subject: [PATCH v3 0/3] drm: Add GPU frequency tracepoint Date: Tue, 16 Sep 2025 12:57:01 +0530 Message-Id: <20250916072704.2351591-1-s.sebinraj@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Add a GPU frequency tracepoint at the DRM subsystem level. Integrates with the Xe PMU to provide frequency tracing. The tracepoint is exposed at: /sys/kernel/debug/tracing/events/power/gpu_frequency Format: {unsigned int state, unsigned int gpu_id} - state: GPU frequency in KHz - gpu_id: GPU clock domain identifier S Sebinraj (3): drm: Add GPU frequency tracepoint at DRM level drm/xe: Add DRM GPU frequency tracepoint to Xe drm/xe: Refactoring the code as per review comment drivers/gpu/drm/Kconfig | 11 ++++++ drivers/gpu/drm/Makefile | 1 + drivers/gpu/drm/drm_gpu_frequency_trace.c | 16 ++++++++ drivers/gpu/drm/xe/xe_gpu_freq_trace.h | 14 +++++++ drivers/gpu/drm/xe/xe_pmu.c | 26 ++++++++++++- drivers/gpu/drm/xe/xe_pmu_types.h | 4 ++ include/drm/drm_gpu_frequency_trace.h | 47 +++++++++++++++++++++++ 7 files changed, 117 insertions(+), 2 deletions(-) create mode 100644 drivers/gpu/drm/drm_gpu_frequency_trace.c create mode 100644 drivers/gpu/drm/xe/xe_gpu_freq_trace.h create mode 100644 include/drm/drm_gpu_frequency_trace.h -- 2.34.1