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 328B4CA0FE1 for ; Mon, 25 Aug 2025 08:23:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8326F10E22F; Mon, 25 Aug 2025 08:23:05 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ZwQ3W4G7"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6F54210E22F for ; Mon, 25 Aug 2025 08:23:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1756110184; x=1787646184; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=IKAy+Nits9n5A0fk4KVDbVZ2VDcDs+upMH4lg0y7W8c=; b=ZwQ3W4G7nIqFpt3hxy4Wi2SUxXL+wZRFCF4gh6dbZQq5f/xdB7J+8Zj/ qjpdhnoF0nXOTzoQhd8TB9XL/gWcnrPM6FEoAhrrQZqCnIeXs2PktYS24 Q/AcYVHqACPYrItdk/ma4M/LbLemjLu5Kh4PPXA5Jp2k1/yiEmoTpRli1 Km1yHdY+HmG9LVQDRzaqa6dC+dg5ZOe1aMnT2aXk/VR5Tu1l3x0FivNyj 8ypY041LGx6KmboNiS80z422AjhGeJYzLPUvaqQryrLu9sN95AWjidbja ywHhyftD5p/WkhfynyvSrHcUJq0u13mZPq+XFRpaeFRqkruXcqi/HGHUy w==; X-CSE-ConnectionGUID: tkLy8CCgTWGfktfSYoKQNw== X-CSE-MsgGUID: Kqa1Dr/QQYG9b0HU/XuV7A== X-IronPort-AV: E=McAfee;i="6800,10657,11531"; a="58375328" X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="58375328" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Aug 2025 01:23:03 -0700 X-CSE-ConnectionGUID: jjrNtCtFT06R5jXLLb+Ucw== X-CSE-MsgGUID: G3dpr33vSu2c/Wi5K65YfQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="170060392" Received: from mbernato-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.101.99]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Aug 2025 01:23:00 -0700 From: Marcin Bernatowicz To: igt-dev@lists.freedesktop.org Cc: Marcin Bernatowicz , Adam Miszczak , Jakub Kolakowski , Kamil Konieczny , Lukasz Laguna , Satyanarayana K V P Subject: [PATCH v3 i-g-t 0/3] tests/intel/xe_sriov_scheduling: Refactor submission/measurement Date: Mon, 25 Aug 2025 10:22:51 +0200 Message-Id: <20250825082254.444880-1-marcin.bernatowicz@linux.intel.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Refactor submission/measurement to better saturate HW and make throughput comparisons more robust, especially with short jobs. Add the --inflight option. - Drive a K-in-flight pipeline per VF using per-slot BO/addr/spin and binary out-fences; add subm_exec_slot()/subm_wait_slot() (prefill + refill). - Record complete_ts[] and per-slot submit_ts[]; build the common window from completions [max(first), min(last)] and compute throughput as count/window. - Push durations as submit-to-completion (complete_ts - submit_ts) and print "mean submit->signal latency". - Add --inflight (0=auto; non-preempt defaults to 1; short jobs pick higher K); print chosen K in the banner. v2: - drop redundant num_syncs init; simplify subm_exec_slot (Lukasz) - free complete_ts (Lukasz) Signed-off-by: Marcin Bernatowicz Cc: Adam Miszczak Cc: Jakub Kolakowski Cc: Kamil Konieczny Cc: Lukasz Laguna Cc: Satyanarayana K V P Marcin Bernatowicz (3): tests/intel/xe_sriov_scheduling: Keep K submissions in flight tests/intel/xe_sriov_scheduling: Compute throughput from completion timestamps tests/intel/xe_sriov_scheduling: Make in-flight submissions configurable tests/intel/xe_sriov_scheduling.c | 237 +++++++++++++++++++++--------- 1 file changed, 167 insertions(+), 70 deletions(-) -- 2.31.1