From patchwork Wed Jul 29 17:48:37 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Gordon X-Patchwork-Id: 6895691 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E12159F38B for ; Wed, 29 Jul 2015 17:49:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F3FA620635 for ; Wed, 29 Jul 2015 17:49:06 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 214472063D for ; Wed, 29 Jul 2015 17:49:04 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 321316EB5F; Wed, 29 Jul 2015 10:49:03 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id 0D42B6E4FE for ; Wed, 29 Jul 2015 10:49:00 -0700 (PDT) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP; 29 Jul 2015 10:48:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,572,1432623600"; d="scan'208";a="772406100" Received: from dsgordon-linux2.isw.intel.com ([10.102.226.88]) by fmsmga002.fm.intel.com with ESMTP; 29 Jul 2015 10:48:58 -0700 From: Dave Gordon To: intel-gfx@lists.freedesktop.org Date: Wed, 29 Jul 2015 18:48:37 +0100 Message-Id: <1438192118-5807-10-git-send-email-david.s.gordon@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1438192118-5807-1-git-send-email-david.s.gordon@intel.com> References: <1438192118-5807-1-git-send-email-david.s.gordon@intel.com> Organization: Intel Corporation (UK) Ltd. - Co. Reg. #1134945 - Pipers Way, Swindon SN3 1RJ Subject: [Intel-gfx] [PATCH 09/10 v5] drm/i915: Debugfs interface for GuC submission statistics X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This provides a means of reading status and counts relating to GuC actions and submissions. v2: Remove surplus blank line in output [Chris Wilson] v5: Added GuC per-engine submission & seqno statistics Signed-off-by: Dave Gordon Signed-off-by: Alex Dai --- drivers/gpu/drm/i915/i915_debugfs.c | 52 +++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index cd40909..9b44fb1 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2410,6 +2410,57 @@ static int i915_guc_load_status_info(struct seq_file *m, void *data) return 0; } +static int i915_guc_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = m->private; + struct drm_device *dev = node->minor->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_engine_cs *ring; + struct intel_guc guc; + struct i915_guc_client client = { .client_obj = 0 }; + enum intel_ring_id i; + u64 total = 0; + + if (!HAS_GUC_SCHED(dev_priv->dev)) + return 0; + + /* Take a local copy of the GuC data, so we can dump it at leisure */ + spin_lock(&dev_priv->guc.host2guc_lock); + guc = dev_priv->guc; + if (guc.execbuf_client) { + spin_lock(&guc.execbuf_client->wq_lock); + client = *guc.execbuf_client; + spin_unlock(&guc.execbuf_client->wq_lock); + } + spin_unlock(&dev_priv->guc.host2guc_lock); + + seq_printf(m, "GuC total action count: %llu\n", guc.action_count); + seq_printf(m, "GuC last action command: 0x%x\n", guc.action_cmd); + seq_printf(m, "GuC last action status: 0x%x\n", guc.action_status); + + seq_printf(m, "GuC action failure count: %u\n", guc.action_fail); + seq_printf(m, "GuC last action error code: %d\n", guc.action_err); + + seq_printf(m, "\nGuC submissions:\n"); + for_each_ring(ring, dev_priv, i) { + seq_printf(m, "\t%-24s: %10llu, last seqno 0x%08x %9d\n", + ring->name, guc.submissions[i], + guc.last_seqno[i], guc.last_seqno[i]); + total += guc.submissions[i]; + } + seq_printf(m, "\t%s: %llu\n", "Total", total); + + seq_printf(m, "\nGuC execbuf client @ %p:\n", guc.execbuf_client); + seq_printf(m, "\tTotal submissions: %llu\n", client.submissions); + seq_printf(m, "\tFailed to queue: %u\n", client.q_fail); + seq_printf(m, "\tFailed doorbell: %u\n", client.b_fail); + seq_printf(m, "\tLast submission result: %d\n", client.retcode); + + /* Add more as required ... */ + + return 0; +} + static int i915_guc_log_dump(struct seq_file *m, void *data) { struct drm_info_node *node = m->private; @@ -5131,6 +5182,7 @@ static const struct drm_info_list i915_debugfs_list[] = { {"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS}, {"i915_gem_hws_vebox", i915_hws_info, 0, (void *)VECS}, {"i915_gem_batch_pool", i915_gem_batch_pool_info, 0}, + {"i915_guc_info", i915_guc_info, 0}, {"i915_guc_load_status", i915_guc_load_status_info, 0}, {"i915_guc_log_dump", i915_guc_log_dump, 0}, {"i915_frequency_info", i915_frequency_info, 0},