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max.byungchul.park@gmail.com, boqun.feng@gmail.com, longman@redhat.com, hdanton@sina.com, her0gyugyu@gmail.com Subject: [PATCH v13 15/27] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait Date: Wed, 6 Mar 2024 17:55:01 +0900 Message-Id: <20240306085513.41482-16-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240306085513.41482-1-byungchul@sk.com> References: <20240306085513.41482-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzWSa0hTcRjG+59zds7ZanJYhqf1wVp0M1ILizeKsC/1JxCiKKIkG3poIzWZ eVllaF4wTVNDLbPUJcvUNDfzkk6moWWXZWW11KTESvOW2rzNrGn15eXH8z487/PhZUlZpUjO qoPPCJpgZaCCllCSoSW6TRc8+gTPrLoNkH7ZE2w/EynILS+loa2sBEFpZQwB/c174f3EIAL7 i5ckZGe2ISj4/JGEypZuBKaiizS86XWCdtsIDa2ZyTTE3i6n4dXALAFdWRkElBh84FmajgDz 9DcKsvtpuJEdSzhGHwHT+mIG9NFroKcoh4HZz5uhtfudCEwdG+H6rS4a6k2tFLTU9BDw5mEu Dd2lv0XwrOUJBW3pKSK4N6yjYWBCT4LeNsLAa3M+AffjHEEJ43MieJxiJiChsIKA9g91CBoS PxFgKH1HwyPbIAFGQyYJM3eaEfSkDjEQf3magRsxqQiS47MoiOvaCvapXNp7O340OELiOGME 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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);