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Mon, 21 Aug 2023 00:09:53 -0400 Received: from invmail4.hynix.com (exvmail4.hynix.com [166.125.252.92]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id EFB81FD; Sun, 20 Aug 2023 21:09:17 -0700 (PDT) X-AuditID: a67dfc5b-d6dff70000001748-eb-64e2ded695c7 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: [RESEND PATCH v10 16/25] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait Date: Mon, 21 Aug 2023 12:46:28 +0900 Message-Id: <20230821034637.34630-17-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230821034637.34630-1-byungchul@sk.com> References: <20230821034637.34630-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAz3SbUxTZxQH8D3Pvfe5l0rNTTHxatWRJmjE+BrAEzONJibekS0u0xgjErmu N6OzFNMqLyZmoKiAQkQCnUKWAqY2gKItvlYcYETQAFUrooHGVnwhgGil3SrVjeK2Lye/nH/O /9PhKJWTmcvpDPtko0HSa4iCVoxF1yzt8/i0KwbDC6HsxAoITBTSUN3USMB1oQFBY3M+huE7 m+BJcBTBZHcvBeYKF4Ia7yAFzR0eBC22QwQeDc0Ed2CcQFfFcQKH65oIPBgJYxioPIWhwf49 3D9Zi6E19JoG8zCBKvNhPDXeYAhZ61mw5sWBz3aGhbB3JXR5+hhoebYETv8+QOBmSxcNHdd8 GB7dqCbgafybgfsdnTS4ykoYOP+2lsBI0EqBNTDOwsNWC4aLBVNFRz98ZuBuSSuGo2cvYXA/ dSK4Vfgcg72xj8DtwCgGh72Cgo/n7iDwlY6xcOREiIWq/FIEx49U0tD76S4DBQOJMPlXNVm/ Rrw9Ok6JBY5ssSVoocV7tYJ4/cwgKxbcesaKFvt+0WGLF+tuDmOxxh9gRHt9ERHt/lOsWDzm xuLbnh5W7PxtkhaH3Gb8g3qH4hutrNdlycbl69IU6eWhHrI3X5ljcZxl89BLRTGK4gQ+QXBU HaP+9+ur0yb8IqG/PzTtWXys4Ch5xRQjBUfxx2YItnfdJBLE8KlCeXMXjpjm44Q3/jEmYiWf JNR2/vFv6ddCw8XWaUdN7e3OGyhiFZ8ovPe+oCOlAl8eJRR9cpIvB3OENls/fRIpLeireqTS GbIyJJ0+YVl6rkGXs+ynzAw7mnop68FwyjXkd21pRzyHNNHKtHk+rYqRsky5Ge1I4CjNLKX6 T69WpdRKuQdkY+Yu4369bGpHao7WzFauCmZrVfzP0j55jyzvlY3/pZiLmpuH6nbEFyXFzCuN 29pWXbR1STh5zbcPh37l2mISNi6Y/8QbF7Z8V6HdlvNBvTrZw0Ub9my/krZzyJRKH8p0XU7z O7Imrvok2cn3hvI7sn959WN7vXG+O7HMo5+RseW52RDbn2zdTUkzk2r8wxPdsYs3P36hXp6y oTJ2JGdbamHw4FqrhjalSyvjKaNJ+gcAEHXBTgMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAAzXSe0xTZxgGcL/vnPOdQ7fOk0riiZi4NWHLIF5IxLwJzmjC4tlUNDOLycwm jT1IuRTTAoMREwr1MhAjKLIpmlpIJYAip6gIRSsItBAQLUFk0I2OCUSQySizghfqsn/e/PI8 yfPXy1Gqi8wqTqdPlwx6TYqaKGhFXEz+2gGvT7vBO7ccik9uAP/cCRrK62oJ9F2rQVDbYMIw 2b4dHs9PIVjoeUBBWWkfgsujIxQ0dHgRtFTlEfCMfQT9/hkC7tJCAvkVdQQePlvEMHyuBEON vAu6T1sxOAPjNJRNErhQlo+XzgSGgK2aBVtuOPiqzrOwOBoFbu8AA20X3Qy0DEXCr5eGCTha 3DR0NPoweJrKCXhr3zLQ3eGioa+4iIGrz60Ens3bKLD5Z1h45LRguG5eWjv2zxsGOoucGI5V 1mPof9KM4M6JPzDItQME2vxTGOxyKQWvrrQj8J2aZuHoyQALF0ynEBQePUfDg9edDJiHo2Hh ZTnZGiO2Tc1Qotn+o9gyb6HFLqsg3j4/wormO0OsaJEzRHtVhFjhmMTi5Vk/I8rVPxNRni1h xYLpfiw+7+1lRdcvC7Q41l+G96z+TrFZK6XoMiXD+i3xisQzgV5y2KTMstgr2Vz0l6IAhXAC v1Gwj9+igib8Z8LgYOC9Q/mPBXvRU6YAKTiKP/6BUPV3DwkWK/jvhTMNbhw0zYcLE7PTTNBK fpNgdd2l/htdI9Rcd753yFIuNzehoFV8tPBi9E/6NFJY0LJqFKrTZ6ZqdCnR64zJidl6Xda6 g2mpMlp6GtuRxeJGNOfZ3op4Dqk/VMav9mlVjCbTmJ3aigSOUocqw/4d1aqUWk32T5Ih7YAh I0UytqIwjlavVH69T4pX8Yc06VKyJB2WDP+3mAtZlYsc5jf8b/X7XaYe0knys35/Nf75y6e8 Z4fekfPNFxN9WwvVy1Pl2Ncu396kWBxn7zqwbQcXl1D9ZVd5XuQ934SGW7Z/c2SEAx2JLFmj z4v96lruJ9/WeQZvph9XWROaknaaYG9ojjvjftpZZ/hkRtgNa+buq/ZPu2NGhnbail/8cFtN GxM1URGUwah5B5yxqSkwAwAA X-CFilter-Loop: Reflected X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org 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 f177c56269bb..ad2d7a94c868 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 @@ -782,6 +783,7 @@ 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); @@ -795,6 +797,7 @@ 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); @@ -884,6 +887,7 @@ 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); @@ -898,6 +902,7 @@ 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);