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 7CA02CA0EE8 for ; Wed, 17 Sep 2025 08:50:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3249C10E183; Wed, 17 Sep 2025 08:50:09 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="jFgzTQyS"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) by gabe.freedesktop.org (Postfix) with ESMTPS id CD8E710E01F; Wed, 17 Sep 2025 08:50:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1758099008; x=1789635008; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=3eLHHGbA5sIRLYXgVB83DdiagFaJbLkZaJgAsc3v5+I=; b=jFgzTQySjXPFVL3BHggYfJhmeHX8/YvwHW1xWfGp4LUf8hijLwq+eLyD M3GOpXMsHCIGLLuj3MrvptZmA58AuB1nzIH5uSP3/rtzWkNi0/a2fv3Zm AzyW3A9JpJdlv8sRrmcrfoA9LfsbcsO4ZgIe/AWGG5hh2/UDTcZituOev 3NZlmgUYzjMzBwb3Nz+SsfzTr17FIbdDMa3yt4JicQFKz5GckAZO8Axfg 4uemT+X8Wora3OjQsITqeH4b29YR6Ajh9aEB+eWpgvSIt4x8VQKYw8t8/ ttS3rtRcxN3jv+zenCuFqSEvu35/p8OGkS23X/gzHUbethaIQ7x8pNzB+ w==; X-CSE-ConnectionGUID: 3Vpgd16vRV+oHv6/GHzZ6A== X-CSE-MsgGUID: 2NPJvwcoTSepomjhieB/bg== X-IronPort-AV: E=McAfee;i="6800,10657,11531"; a="60316051" X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="60316051" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2025 01:50:08 -0700 X-CSE-ConnectionGUID: EqYea4/wRJ+n5Ba7eg1sPw== X-CSE-MsgGUID: L47Xnwa7Q3SZJPfqzKqatw== X-ExtLoop1: 1 Received: from intel-s2600wft.iind.intel.com ([10.223.26.143]) by fmviesa003.fm.intel.com with ESMTP; 17 Sep 2025 01:50:05 -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 v4 0/2] drm: Add GPU frequency tracepoint Date: Wed, 17 Sep 2025 14:11:33 +0530 Message-Id: <20250917084135.2049550-1-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 (2): drm: Add GPU frequency tracepoint at DRM level drm/xe: Add DRM GPU frequency tracepoint to Xe 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