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=-8.5 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,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 D3533C433ED for ; Thu, 1 Apr 2021 01:23:55 +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 820C16105A for ; Thu, 1 Apr 2021 01:23:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 820C16105A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0193E6EBF6; Thu, 1 Apr 2021 01:23:55 +0000 (UTC) Received: from mail-pf1-x429.google.com (mail-pf1-x429.google.com [IPv6:2607:f8b0:4864:20::429]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7A5656EBF6; Thu, 1 Apr 2021 01:23:54 +0000 (UTC) Received: by mail-pf1-x429.google.com with SMTP id x26so312996pfn.0; Wed, 31 Mar 2021 18:23:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=+2jBkeo878G+FkmC1vjkk79rQNW00YDmS4BnvfJ2kYU=; b=nn1RaRztiuPrmeG4Y6A4+Z9aCNsh96twt7rXm6MoLkf4wFBDpEoglnIrhQ1RL3dISV DUtMy2J/5YiIZShK+V7U5YpTFXKMwBE1rwIITEM+0FDdpyi2d2UZacn1kDQDbW6BhtCY S+FZz0v5qW3QOcW2RCEuuGTbqHTfnErxOIdPaAtWw+So2UF/oHHIwFd8cewV6TxpbtZ3 ZzZ0JxQ/8v2DUKx1Wa2oytsG42W/V2rZvQr/bzlHUcqrSstmX20gdZDBSN09kxvmHauw uBm1StndG68O9XG6dj6Wv4O9SLiTfO1FM6QRsRCsFsSTt06PNKMeDjEgKtq2GScf76xg mafw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=+2jBkeo878G+FkmC1vjkk79rQNW00YDmS4BnvfJ2kYU=; b=ru/vu3/1KCJ1goIOKpxitxLjlb7VOqW3rOHKtCVjrA6Y6hTVUfKy7GvpwFEdzzdGds m5AO1jXlMFGayRhWjp6jirg3EdiN8AFw32QFW/4cT3zdoMjiHYbcu3Bsq3sYZ0/LollK s3FbvsR0s70MTHjnEU3d3fpMfcIQAdZpBjTSjo+LaPcXJUtFE4zgmIwxGyWutDxf2XFX vs4Am8X8j6Py8wy69bBFebSZ/Z8NvL2IIcVGeuv23J9XJtl7MR8YobRgo2jC3rcHMIBr ZEzZtgLZdiIXjcR5d59kz1KUERadmpaJuUbS37rDVNTKOktlBzNFUjiJ7XXeU/UrPK0F YiUQ== X-Gm-Message-State: AOAM530dvS86uftxPHhVoGY+91LWGEL8aueix4XRXvqu4qiGPy7z9hAI TsbCZ/1LSnf9G1JoqZejimTYl3zzo++tIA== X-Google-Smtp-Source: ABdhPJxpmKhVqceIQWiXrGGdLvcaLXzXdCmFiC3E3r6puxs07HbTGNDN+PC6hnUY+qLrnezZ75rs9g== X-Received: by 2002:a63:6d8a:: with SMTP id i132mr5567869pgc.82.1617240233466; Wed, 31 Mar 2021 18:23:53 -0700 (PDT) Received: from localhost ([2601:1c0:5200:a6:307:a401:7b76:c6e5]) by smtp.gmail.com with ESMTPSA id ha8sm3270796pjb.6.2021.03.31.18.23.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 Mar 2021 18:23:52 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Subject: [PATCH v2 0/4] drm/msm: Shrinker (and related) fixes Date: Wed, 31 Mar 2021 18:27:17 -0700 Message-Id: <20210401012722.527712-1-robdclark@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210331221630.488498-1-robdclark@gmail.com> References: <20210331221630.488498-1-robdclark@gmail.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Clark , "open list:DRM DRIVER FOR MSM ADRENO GPU" , open list , Jordan Crouse , "moderated list:DMA BUFFER SHARING FRAMEWORK" , "Kristian H. Kristensen" , "open list:DRM DRIVER FOR MSM ADRENO GPU" , "open list:DMA BUFFER SHARING FRAMEWORK" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Rob Clark I've been spending some time looking into how things behave under high memory pressure. The first patch is a random cleanup I noticed along the way. The second improves the situation significantly when we are getting shrinker called from many threads in parallel. And the last two are $debugfs/gem fixes I needed so I could monitor the state of GEM objects (ie. how many are active/purgable/purged) while triggering high memory pressure. We could probably go a bit further with dropping the mm_lock in the shrinker->scan() loop, but this is already a pretty big improvement. The next step is probably actually to add support to unpin/evict inactive objects. (We are part way there since we have already de- coupled the iova lifetime from the pages lifetime, but there are a few sharp corners to work through.) Rob Clark (4): drm/msm: Remove unused freed llist node drm/msm: Avoid mutex in shrinker_count() drm/msm: Fix debugfs deadlock drm/msm: Improved debugfs gem stats drivers/gpu/drm/msm/msm_debugfs.c | 14 ++--- drivers/gpu/drm/msm/msm_drv.c | 4 ++ drivers/gpu/drm/msm/msm_drv.h | 15 ++++-- drivers/gpu/drm/msm/msm_fb.c | 3 +- drivers/gpu/drm/msm/msm_gem.c | 65 ++++++++++++++++++----- drivers/gpu/drm/msm/msm_gem.h | 72 +++++++++++++++++++++++--- drivers/gpu/drm/msm/msm_gem_shrinker.c | 28 ++++------ 7 files changed, 150 insertions(+), 51 deletions(-) -- 2.30.2 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel