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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HK_RANDOM_FROM,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 37967C2BA19 for ; Wed, 15 Apr 2020 10:12:01 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 165BF20768 for ; Wed, 15 Apr 2020 10:12:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 165BF20768 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 95A986E951; Wed, 15 Apr 2020 10:12:00 +0000 (UTC) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 59AF26E94D for ; Wed, 15 Apr 2020 10:11:54 +0000 (UTC) IronPort-SDR: faGVtkEeP01qYsgYLwRUh8BPhWvJrMVftUIboKcT2Up/MwBcBkxOITOUTuVmK4utjcf0D6th63 TOumxUgfiddw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2020 03:11:54 -0700 IronPort-SDR: 7UH9Ks40Z4MNa9pZ7keJRNRTJtJXCtoCmZiUJs9p9NMcKIpZpfhXei4Oi5JxGL3uCwXMzx7D2F RMiBcBat6sJg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,386,1580803200"; d="scan'208";a="427385490" Received: from idodadon-mobl1.ger.corp.intel.com (HELO localhost.localdomain) ([10.214.240.154]) by orsmga005.jf.intel.com with ESMTP; 15 Apr 2020 03:11:52 -0700 From: Tvrtko Ursulin To: Intel-gfx@lists.freedesktop.org Date: Wed, 15 Apr 2020 11:11:33 +0100 Message-Id: <20200415101138.26126-5-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200415101138.26126-1-tvrtko.ursulin@linux.intel.com> References: <20200415101138.26126-1-tvrtko.ursulin@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 4/9] drm/i915: Track runtime spent in unreachable intel_contexts X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Tvrtko Ursulin As contexts are abandoned we want to remember how much GPU time they used (per class) so later we can used it for smarter purposes. Signed-off-by: Tvrtko Ursulin --- drivers/gpu/drm/i915/gem/i915_gem_context.c | 13 ++++++++++++- drivers/gpu/drm/i915/gem/i915_gem_context_types.h | 5 +++++ 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 984abd8cc76a..d4229155853b 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -257,7 +257,19 @@ static void free_engines_rcu(struct rcu_head *rcu) { struct i915_gem_engines *engines = container_of(rcu, struct i915_gem_engines, rcu); + struct i915_gem_context *ctx = engines->ctx; + struct i915_gem_engines_iter it; + struct intel_context *ce; + + /* Transfer accumulated runtime to the parent GEM context. */ + for_each_gem_engine(ce, engines, it) { + unsigned int class = ce->engine->uabi_class; + GEM_BUG_ON(class >= ARRAY_SIZE(ctx->past_runtime)); + atomic64_add(ce->runtime.total, &ctx->past_runtime[class]); + } + + i915_gem_context_put(ctx); i915_sw_fence_fini(&engines->fence); free_engines(engines); } @@ -278,7 +290,6 @@ engines_notify(struct i915_sw_fence *fence, enum i915_sw_fence_notify state) list_del(&engines->link); spin_unlock_irqrestore(&ctx->stale.lock, flags); } - i915_gem_context_put(engines->ctx); break; case FENCE_FREE: diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h index b0e03380c690..f0d7441aafc8 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h @@ -177,6 +177,11 @@ struct i915_gem_context { spinlock_t lock; struct list_head engines; } stale; + + /** + * @past_runtime: Accumulation of freed intel_context pphwsp runtimes. + */ + atomic64_t past_runtime[MAX_ENGINE_CLASS + 1]; }; #endif /* __I915_GEM_CONTEXT_TYPES_H__ */ -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx