From patchwork Wed Jan 24 11:59:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Byungchul Park X-Patchwork-Id: 13529056 Received: from invmail4.hynix.com (exvmail4.hynix.com [166.125.252.92]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 32B97634E7; Wed, 24 Jan 2024 12:00:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=166.125.252.92 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706097610; cv=none; b=OyISF8rXrVF8Amgwmp8QnyWHp5XVeHJkr3xdFpjYs7ms3sahCClTIr3EaSiRvcVEi14mbm7SvatpJxF8HxR80lg1xYrCiedC9T2csVkFOoJcPm4mj+VjJ5ouZ5FAR1ZqGfGBclfo9csN5+81E/jpXp23drO2HaHXxiOKLRvbM5s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706097610; c=relaxed/simple; bh=t4Qh0s/9NGiebNos8RWbTI6PuT087Z/eTqnpXervcDg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=jhxmndNZ6Qr5he0SiJ8rDB7uj376EeUGfTawsjczY0cwYWRDHRWCJ/yPaRZTi+jLf9AFl3CqpD4h9t/Oi38NRYDwNmRGgYMbG1xMfED42Kbx9Uu4HuAx3Im6QG6esoeMigyP3jdSCiHLhCK6MWqaLUsMoCLqN2FMAq4oqUt4Evo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sk.com; spf=pass smtp.mailfrom=sk.com; arc=none smtp.client-ip=166.125.252.92 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sk.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sk.com X-AuditID: a67dfc5b-d85ff70000001748-35-65b0fbb6fc5a From: Byungchul Park To: linux-kernel@vger.kernel.org Cc: kernel_team@skhynix.com, torvalds@linux-foundation.org, damien.lemoal@opensource.wdc.com, linux-ide@vger.kernel.org, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, will@kernel.org, tglx@linutronix.de, rostedt@goodmis.org, joel@joelfernandes.org, sashal@kernel.org, daniel.vetter@ffwll.ch, duyuyang@gmail.com, johannes.berg@intel.com, tj@kernel.org, tytso@mit.edu, willy@infradead.org, david@fromorbit.com, amir73il@gmail.com, gregkh@linuxfoundation.org, kernel-team@lge.com, linux-mm@kvack.org, akpm@linux-foundation.org, mhocko@kernel.org, minchan@kernel.org, hannes@cmpxchg.org, vdavydov.dev@gmail.com, sj@kernel.org, jglisse@redhat.com, dennis@kernel.org, cl@linux.com, penberg@kernel.org, rientjes@google.com, vbabka@suse.cz, ngupta@vflare.org, linux-block@vger.kernel.org, josef@toxicpanda.com, linux-fsdevel@vger.kernel.org, viro@zeniv.linux.org.uk, jack@suse.cz, jlayton@kernel.org, dan.j.williams@intel.com, hch@infradead.org, djwong@kernel.org, dri-devel@lists.freedesktop.org, rodrigosiqueiramelo@gmail.com, melissa.srw@gmail.com, hamohammed.sa@gmail.com, 42.hyeyoo@gmail.com, chris.p.wilson@intel.com, gwan-gyeong.mun@intel.com, max.byungchul.park@gmail.com, boqun.feng@gmail.com, longman@redhat.com, hdanton@sina.com, her0gyugyu@gmail.com Subject: [PATCH v11 15/26] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait Date: Wed, 24 Jan 2024 20:59:26 +0900 Message-Id: <20240124115938.80132-16-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240124115938.80132-1-byungchul@sk.com> References: <20240124115938.80132-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzXSW1BMcRwHcP9zb7XmzLqdynXNjpmMyxrMT2PIA04PGoZB9cCODrujFhvV MlHaqFW5TUU3tbLWlsouKaxJphKVpYZsabRTdI/YRheXlvHym8/8Lt+nH4NLKkhvRqU+JmjU ijApJSJEA575S8vGS4UVjTo/uJS8AlzfEwnILimiwF5ciKDoXhwGPdVb4N1IP4Lxhlc4ZKTZ EeR3fMDhXk07ApvpDAVNndOg2TVEQV3aeQrib5RQ8LpvAoO29MsYFFq2wsuLBgwqRz8TkNFD QVZGPDZZujEYNZppMMbKwGnKpGGiQw517W9JsDmWwLXcNgoe2+oIqCl3YtD0MJuC9qLfJLys eU6A/VIKCXcGDRT0jRhxMLqGaHhTmYdBqW4y6Oy3XyTUplRicLbgLgbN7x8heJL4EQNL0VsK nrn6MbBa0nAYu1WNwJk6QENC8igNWXGpCM4npBPw6mctCbq21TD+I5vy9+Of9Q/hvM4axdtG 8gj+hYHjKzI/0LzuiYPm8yzHeavJl7/xuAfj84ddJG8xJ1G8ZfgyzesHmjF+sLGR5p9fHSf4 zuYMbJtPsGhdqBCmihQ0y9fvEylTWxvRkThxtOU6HYu6RHrkwXDsKi69tx79t6E6AXebYhdz LS2jfz2DXcBZUz6ReiRicPbcVM70pYHSI4aZzu7iTH073DsEK+MKvr6g3Raza7ghVy/+L3M+ V1ha+dcek/071xyE2xJ2NffRfIF2Z3JsvAfXcdNJ/zvw4p6aWoiLSJyHppiRRKWODFeowlYt U2rVquhl+w+HW9DkQxljJkLK0bB9RxViGST1FPubSwQJqYiM0IZXIY7BpTPELV7FgkQcqtCe EDSH92qOhwkRVciHIaSzxStHokIl7EHFMeGQIBwRNP+nGOPhHYtSCwOaSkLG5FcOaNf6+Hnl dA5oF0Jgr+yBv+3rvpPBZdJ665hj02nrnk3MbbHBWRxU9z5Qbr/fqgv2PCWbrSuIDIq5Kquo LY6ex27flax2ytUBcaG5c4Wj7UmEsq90w/WbuYtyujbvnNetfOc/p2tmcGDAXt9p+vRZG2+d ++GA3VIiQqmQ++KaCMUfAxQQ8EwDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAAzXSf0yMcRwHcN/nd6ezx7nNI4admVUkm/hs0rLZPLMxw5gfm57pUaer7K6O DCt1J0eptiRFp3LO3alcNFKtdfo9iRpJWhqSfhzqmnMdivnns9c+78/ef30YXFZA+jHKuARR HSeoFJSEkOzclLqmylMhBrdML4fsy8HgmkwnoLDcRkFnmRWB7UEKBsON2+D11CgCz7PnOOTl diK49f4dDg+a+hHUms9T0PVhHnS7nBS05l6iILWknIIXI9MY9F3NwcBq3wHtWcUY1LuHCMgb pqAgLxWbGZ8xcJssNJiSV8Kg+ToN0+/XQWv/KxIcN1pJqO0NhPybfRTU1LYS0PRoEIOu6kIK +m2/SWhvaiGgMzuDhHvjxRSMTJlwMLmcNLysN2JQkTbTpp/4RUJzRj0G+tL7GHS/eYKgLn0A A7vtFQUO1ygGlfZcHH7eaUQwmDlGg+6ym4aClEwEl3RXCXjubSYhrS8EPD8KqfBNvGPUifNp lSf52ikjwbcVc/zj6+9oPq2ul+aN9kS+0hzAl9QMY/yt7y6St1suUrz9ew7NG8a6MX68o4Pm W655CP5Ddx62a8lBSWikqFJqRfXasAhJdObbDnQiRXrKXkQno48SA/JhOHY9V9yow2dNsau4 nh73X8vZ5VxlxifSgCQMzl6Yy5m/PqMMiGEWsPs488ie2RuCXcmVfmujZy1lN3BO1xf8X+cy zlpR/9c+M/t7+b3ErGVsCDdguUJnIYkRzbEguTJOGysoVSFBmpjopDjlqaCj8bF2NPMyprPT 2Y/QZNe2BsQySOErDbeUizJS0GqSYhsQx+AKubRnUZkok0YKSadFdfwRdaJK1DSgxQyhWCjd vl+MkLFRQoIYI4onRPX/FGN8/JLR/MNLI6u8+bvu6ir2/YzCgw9vVYX2h7qE8pGevf7Hgs+c G9dD1UWnPP7axv0Td7mh12FX3Hpv5u1Jw0S7XKJvPzdQV/3DI+R4OzYbDVmDhzYEhhWRCdXp q7V94Vbf7BV+x72yjT5hrjm7n24pPeKwObRj/gfGEsmhqtK3D/18JxWEJlpYF4CrNcIfhViG ai4DAAA= X-CFilter-Loop: Reflected Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Makes Dept able to track dma fence waits. Signed-off-by: Byungchul Park --- drivers/dma-buf/dma-fence.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index 8aa8f8cb7071..76dba11f0dab 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -16,6 +16,7 @@ #include #include #include +#include #define CREATE_TRACE_POINTS #include @@ -783,6 +784,7 @@ dma_fence_default_wait(struct dma_fence *fence, bool intr, signed long timeout) cb.task = current; list_add(&cb.base.node, &fence->cb_list); + sdt_might_sleep_start(NULL); while (!test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags) && ret > 0) { if (intr) __set_current_state(TASK_INTERRUPTIBLE); @@ -796,6 +798,7 @@ dma_fence_default_wait(struct dma_fence *fence, bool intr, signed long timeout) if (ret > 0 && intr && signal_pending(current)) ret = -ERESTARTSYS; } + sdt_might_sleep_end(); if (!list_empty(&cb.base.node)) list_del(&cb.base.node); @@ -885,6 +888,7 @@ dma_fence_wait_any_timeout(struct dma_fence **fences, uint32_t count, } } + sdt_might_sleep_start(NULL); while (ret > 0) { if (intr) set_current_state(TASK_INTERRUPTIBLE); @@ -899,6 +903,7 @@ dma_fence_wait_any_timeout(struct dma_fence **fences, uint32_t count, if (ret > 0 && intr && signal_pending(current)) ret = -ERESTARTSYS; } + sdt_might_sleep_end(); __set_current_state(TASK_RUNNING);