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=-12.0 required=3.0 tests=BAYES_00, 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 55081C433E2 for ; Fri, 4 Sep 2020 13:00:01 +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 2B8962073B for ; Fri, 4 Sep 2020 13:00:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2B8962073B 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 BC8AD6EB9E; Fri, 4 Sep 2020 13:00:00 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7053D6EB9F for ; Fri, 4 Sep 2020 12:59:59 +0000 (UTC) IronPort-SDR: kYuIcYzPA9kQ4oYLp9fonTTKoLhSjmB+vrWaFCt61yMHEJsBjShe/myk1XDFf6TZE1Cw80CYIW lAK+DSOENGkA== X-IronPort-AV: E=McAfee;i="6000,8403,9733"; a="175788972" X-IronPort-AV: E=Sophos;i="5.76,389,1592895600"; d="scan'208";a="175788972" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Sep 2020 05:59:59 -0700 IronPort-SDR: t7raYBf1oYRUqdiY+1drxgTIziV1TRUTDimZQgLxTvwFi7QoKJ+SMlDn8s/yfdyOVvfMrwcIdZ xWwC8b9Rj2Ag== X-IronPort-AV: E=Sophos;i="5.76,389,1592895600"; d="scan'208";a="478478891" Received: from arielsig-mobl1.ger.corp.intel.com (HELO localhost.localdomain) ([10.251.165.178]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Sep 2020 05:59:57 -0700 From: Tvrtko Ursulin To: Intel-gfx@lists.freedesktop.org Date: Fri, 4 Sep 2020 13:59:31 +0100 Message-Id: <20200904125934.133475-7-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200904125934.133475-1-tvrtko.ursulin@linux.intel.com> References: <20200904125934.133475-1-tvrtko.ursulin@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 6/9] drm/i915: Track all user contexts per client 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 We soon want to start answering questions like how much GPU time is the context belonging to a client which exited still using. To enable this we start tracking all context belonging to a client on a separate list. Signed-off-by: Tvrtko Ursulin --- drivers/gpu/drm/i915/gem/i915_gem_context.c | 8 ++++++++ drivers/gpu/drm/i915/gem/i915_gem_context_types.h | 3 +++ drivers/gpu/drm/i915/i915_drm_client.c | 3 +++ drivers/gpu/drm/i915/i915_drm_client.h | 5 +++++ 4 files changed, 19 insertions(+) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index dcaca4fce5fb..f9b11e4cc3ad 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -354,6 +354,10 @@ static void i915_gem_context_free(struct i915_gem_context *ctx) if (client) { unsigned int i; + spin_lock(&client->ctx_lock); + list_del_rcu(&ctx->client_link); + spin_unlock(&client->ctx_lock); + /* Transfer accumulated runtime to the parent drm client. */ BUILD_BUG_ON(ARRAY_SIZE(client->past_runtime) != ARRAY_SIZE(ctx->past_runtime)); @@ -992,6 +996,10 @@ static int gem_context_register(struct i915_gem_context *ctx, ctx->client = client; + spin_lock(&client->ctx_lock); + list_add_tail_rcu(&ctx->client_link, &client->ctx_list); + spin_unlock(&client->ctx_lock); + return 0; err_pid: 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 e473984b52c8..d65e3bd3c8bb 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h @@ -103,6 +103,9 @@ struct i915_gem_context { /** client: struct i915_drm_client */ struct i915_drm_client *client; + /** link: &drm_client.context_list */ + struct list_head client_link; + /** * @ref: reference count * diff --git a/drivers/gpu/drm/i915/i915_drm_client.c b/drivers/gpu/drm/i915/i915_drm_client.c index b0048af68912..064358b14079 100644 --- a/drivers/gpu/drm/i915/i915_drm_client.c +++ b/drivers/gpu/drm/i915/i915_drm_client.c @@ -155,6 +155,9 @@ i915_drm_client_add(struct i915_drm_clients *clients, struct task_struct *task) kref_init(&client->kref); mutex_init(&client->update_lock); + spin_lock_init(&client->ctx_lock); + INIT_LIST_HEAD(&client->ctx_list); + client->clients = clients; ret = xa_alloc_cyclic(&clients->xarray, &client->id, client, diff --git a/drivers/gpu/drm/i915/i915_drm_client.h b/drivers/gpu/drm/i915/i915_drm_client.h index 874b511c3217..8f528166e07b 100644 --- a/drivers/gpu/drm/i915/i915_drm_client.h +++ b/drivers/gpu/drm/i915/i915_drm_client.h @@ -10,10 +10,12 @@ #include #include #include +#include #include #include #include #include +#include #include #include "gt/intel_engine_types.h" @@ -37,6 +39,9 @@ struct i915_drm_client { char __rcu *name; bool closed; + spinlock_t ctx_lock; /* For add/remove from ctx_list. */ + struct list_head ctx_list; /* List of contexts belonging to client. */ + struct i915_drm_clients *clients; struct kobject *root; -- 2.25.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx