From patchwork Wed May 8 09:47:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Byungchul Park X-Patchwork-Id: 13658405 Received: from invmail4.hynix.com (exvmail4.skhynix.com [166.125.252.92]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 44F1078286; Wed, 8 May 2024 10:02:59 +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=1715162584; cv=none; b=b1L8eyH7kdEWduyYCWK/IeiDk1BQ3aXNTlGBPnthCTtURCg692w33M0pnp2vn74sGmlxSGiII51e2C6zIlVIzTsedc2/fFM/HREkYc7CKMv4moJym181bPp36qUHWAKGOX1Ru28fZ1aYfbkiGl/U2tblT+bGoHvzOQ6x2BVo1Rk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715162584; c=relaxed/simple; bh=J0RDtciGug4eGz0Aw6Q2HokhqsFAGVYdBGn+hHV4m4Y=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=OEX2K7LaJek5TsSkRwV5wN7QB3eAI4anTmaOlxvRyVJbgD4LY7Ed/TyrMwRQI2uC2vhu3HHkyk+BwnJJGu4APAMDkcAYn5ghfNGOlv+3V03AMLt1//fB/RLjhlOSUa/33mJyq26yLHDAShbWdVd788LvzrvWX43qxfEslgRf42c= 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-d85ff70000001748-06-663b4a3a89ab 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, 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 v14 15/28] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait Date: Wed, 8 May 2024 18:47:12 +0900 Message-Id: <20240508094726.35754-16-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240508094726.35754-1-byungchul@sk.com> References: <20240508094726.35754-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzXSfUzMcRwHcN/v77Gb47fT5id/4LaYkKfio8yY4TebsTF/sMVNv6ubntxd nWy20uWh1NIkKlxlp9URvzzk4exk14PIIUkqapT0xHHHVTvuNP989trn4f3XhyUUEhXEahL0 ojZBFaekZaRseGrpkoitkepl7vyFcOb0MnD9PElCSbWFBsf1KgSWW+kYBuxb4K17CMH48xcE FBY4EJT2dBFwq74bgbXiGA2vP02DVtcoDU0F2TRklFfT8HJwAkPnuXwMVdI2aM4rw2Dz9JNQ OEBDcWEG9pUvGDzmSgbMacHQW1HEwETPcmjqbqPA2rEILlzqpOGhtYmE+tpeDK/vl9DQbflD QXN9IwmOMzkUXBspo2HQbSbA7Bpl4JXNhOGG0Rd0/IeXgoYcG4bjV25iaH33AMGjkx8xSJY2 Gp64hjDUSAUEjF21I+jNHWYg87SHgeL0XATZmedIMHaGw/jvEnr9GuHJ0CghGGsMgtVtIoWn Zbxwr6iLEYyPOhjBJCULNRUhQvnDASyUOl2UIFWeogXJmc8IWcOtWBhpaWGExvPjpPCptRDv CNojWxstxmlSRO3SdftlsWP3MnFSuvxwQ1Y6kYY+y7JQAMtzYXztq6/kfzvysrHfNLeAb2/3 EH4HcnP5mpw+ym+CG5LxV1o2+z2D281L9Rd9tyxLcsF80zODn3JuFW9zspOJc/iqG7Z/KQG+ 9rv+EeS3ggvnH2QUMZM7P1l+sHrXpGfxjyvayTwkN6EplUihSUiJV2niwkJjUxM0h0MPJMZL yPdJ5qMTe2uR07GzDnEsUk6V22ZGqBWUKkWXGl+HeJZQBsrtJ1arFfJoVeoRUZu4T5scJ+rq 0GyWVM6Ur3AbohVcjEovHhTFJFH7f4rZgKA0pN+QmNSzIsIcnG9SR2a92eRdTIeEiR3rdJ+/ 77sc6f1210AH3AX90fDAxvhig/VOH8Xd9hRturyyrW9eDuM8O7rxVEF5cp73l2x+rhFFfV0V Eaz98CfDLor2tHLveO6xscEymP7re9ePQzetFjZqTHG/WR0VSr236xtitsesUZK6WNXyEEKr U/0FanoJeUUDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAAzXSa0iTYRTA8Z7nvTpavCyhF4WKkRTZxSjr1KL6VA9F1w8JQpdRr7mcU7bU NAPNS+WtGU3LXM0LS3RlTqGrMTQvy7KVYmU20ywTlwNrkhcqV/Tl8OMc+H86PKUwMUG8RndK 0uvUWiUro2V7VBkrN+1URYXl9s6Hwrww8P24QENprY0F150aBLaGdAwjLTvgzYQHwfSLlxQU m1wIygY+UNDQ6kbQWHWOha6hedDt87LgNOWykFFRy8Kr0RkMfUWXMdTYd0OHsRyDY3KYhuIR Fq4XZ+DZ8RXDpLWaA2taCAxWlXAwM7AGnO4eBprNTgYae0Ph2o0+Fh43OmlovT+IoethKQtu 228GOlrbaXAV5jNwe6ychdEJKwVWn5eD1w4LhruZs7Xs778YaMt3YMiurMPQ/e4RgicXPmKw 23pYaPZ5MNTbTRRM3WpBMFjwjYOsvEkOrqcXIMjNKqIhsy8cpn+Wsts2kWaPlyKZ9UmkccJC k2flInlQ8oEjmU96OWKxJ5D6quWk4vEIJmXjPobYqy+yxD5+mSM537oxGevs5Ej71WmaDHUX 433BkbLNxyWtJlHSr95yVBY99SALx6fLT7flpFNp6LMsBwXworBOdBlzsd+ssFR8+3aS8jtQ WCzW539h/KYEj0ys7Nzu93zhoGhvNdM5iOdpIUR0Pk/yUy6sFx3j/L/iIrHmruNvJWB2/W54 DPmtEMLFRxklnBHJLGhONQrU6BJj1Rpt+CpDTHSyTnN61bG4WDuafRbr2ZnC++hH144mJPBI OVfuYlVRCkadaEiObUIiTykD5S3nN0Qp5MfVySmSPu6IPkErGZpQME8rF8h3RkhHFcIJ9Skp RpLiJf3/K+YDgtLQp5PHZvqX3azr3wu22v2rjX09eaqw0P5UTaU52LDLczL1ZzkfI1OkRC61 nHvuDTXVaF8cXmluO6QuUGW/j/AuvBKMqag3DQkKY1HSpUNttrVbxweEr2WBqSSkx+yutfZu rBi+F3HpQMrIkLT3k0E3Nfpleom2zl0mr1pxJjnuqZI2RKvXLKf0BvUfj5YZAigDAAA= X-CFilter-Loop: Reflected Precedence: bulk X-Mailing-List: linux-block@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 0393a9bba3a8..d6f9b339b143 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);