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Mon, 3 Jul 2023 02:49:51 -0700 (PDT) X-AuditID: a67dfc5b-d85ff70000001748-d8-64a299b373f9 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 v10 rebased on v6.4 16/25] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait Date: Mon, 3 Jul 2023 18:47:43 +0900 Message-Id: <20230703094752.79269-17-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230703094752.79269-1-byungchul@sk.com> References: <20230703094752.79269-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzWSa0xTZxiA/c7lO6fF4rFj8agRtQkhYQx1EfOG6eKPRY8/nCYaY1QinT0b Hde1grLNDCyIk4uIA+QSbSuptRQvbVVEaxiEe4BuNAy1koHoRrhtaDsK6NZi/PPmyfPmfX69 LCl/QK9i1anHRU2qMlmBpZR0cqnhY0elUbVx6g0DFwo3gvf1WQpqbloxuG7UIbA6cggYa90J v/smEMz39JFQUeZCYBh+RoKjbQiB03waQ/9oKLi90xg6ywow6K7exPDr+AIBnvJSAupsu6G7 xEhAk/9PCirGMFRX6IjA+IsAv8nCgCk7AkbMVQwsDG+CzqEBGpxPPoLKyx4MD52dFLQ1jBDQ 31iDYcj6Hw3dbR0UuC4U0VA/ZcQw7jORYPJOM/Bbk56AW7mB0JlXb2loL2oi4EztbQLcjx8g eHT2DwJs1gEMLd4JAuy2MhLmrrUiGCmeZCCv0M9AdU4xgoK8cgr63rTTkOuJhfnZGrw9TmiZ mCaFXPsJwenTU0KXkRfuVz1jhNxHTxhBb8sQ7OYo4erDMUIwzHhpwWb5CQu2mVJGODfpJoSp 3l5G6Lg0Twmj7gpi7+pD0q0qMVmdKWo2fJYgTbzo78XpObKTenstk41eSM8hCctzm3nd09Pk ey7/10gHGXOR/OCgf9GHcet4e9HLgJeyJJcfwpv/7sHBxQfcV7y3twsFmeIieEfDDBNkGbeF 1+sG0LvoWr7uVtNiSBLwL2aLF72ci+U9lUM4GOW58xI+P3scvztYyf9iHqRKkEyPlliQXJ2a maJUJ2+OScxKVZ+MOZaWYkOBlzKdWjjcgGZc+5oRxyLFUtng9waVnFZmarNSmhHPkoowmW74 ikouUymzvhM1aUc1GcmithmtZinFCtknvhMqOfe18riYJIrpoub9lmAlq7JRfNXnU4U6fCDB clkVWlKgPPLPhth78ykHo5e1pW2fK+/pn92fEREZF8nGa/uS7nx599tpSyPVGa0NOSWJ3/Gy fu1ceFfo8lKHZK+zbNl59GO1Yc22n58794S76VHaQlvrLr7u/vCbcCouP/6HhI6IT9eHvK3N W+e7vsulv/RFjGfNcwWlTVRuiiI1WuX/9KM2Pk4DAAA= X-Brightmail-Tracker: H4sIAAAAAAAAAzWSa0xTZxjH977nnPccqjUnFeMJuqDN1MSFWyL6bKjB7IMni87LF40ukWoP 0liqaSmXMRJYq3PcIizAuGkppDbQCWshQaENQkBBRByMMVORNjhGRFmYZVaQrXXZlye//P7J 79PDUYp6JorT6DIkvU6lVRIZLfsiyRTjqraq44uaYqCsOB4Cr6/SUNfqIDB6qwWBo70Aw1z/ Qfh1aR7B8sNHFFRVjCJo8D2loH1gCoHb/g2BsZl1MB5YIDBYUUTA1NhK4PGLFQzeynIMLc7D 8OCaFUNPcJaGqjkCtVUmHDp/YAjamlmw5W8Dv72GhRVfAgxOTTDQVz/IgPvJx1B93Uug2z1I w0CnH8PYnToCU45/GHgwcJ+G0bISBn58ZSXwYslGgS2wwMLPPRYMbeZQ7cpfqwzcK+nBcKXp Jwzjv3Uh8FydxuB0TBDoC8xjcDkrKHh7sx+Bv/QlC5eLgyzUFpQiKLpcScOjd/cYMHsTYflN HUlOEvvmFyjR7MoS3UsWWhyyCuLtmqesaPY8YUWL0yi67DvFxu45LDYsBhjR2fwdEZ2L5axY +HIci69GRljx/g/LtDgzXoWPbj4l26uWtJpMSR+3P0WW9n1whFwqkGdbXE1sPnouK0QRnMDv Eir/tjJhJvwOYXIySIU5kt8iuEp+D3kZR/HfrhHsfz4k4WE9nyoERoZQmGl+m9DeuciGWc7v FiymCfRfNFpoaet5H4oI+edvSt97BZ8oeKunyDUks6APmlGkRpeZrtJoE2MNF9JydJrs2HMX 050o9DS2vJWyTvR67GAv4jmkXCufzG1QKxhVpiEnvRcJHKWMlJt8N9QKuVqV85Wkv3hGb9RK hl60iaOVG+Wfn5BSFPx5VYZ0QZIuSfr/V8xFROUjpWfN9gPDQnRGF702d3R34UqW23ynaN/M jo67v3gOGdcplnxnU0H+2RZNOXNow9c+fzD32JcdW5OFuGfyJHvjsN8xFj1bU2Jp+TRqOm/2 wEd743GdV5F6OsL4iXG140NOtmmotWt/sX86RkeOr1fmbVe7N54sPlJL1fv2eLTJq0rakKZK 2EnpDap/ATXR0DQwAwAA X-CFilter-Loop: Reflected X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE 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);