Searched refs:data_tail (Results 1 – 5 of 5) sorted by relevance
66 __u64 data_tail = header->data_tail; in perf_event_read() local73 if (data_head == data_tail) in perf_event_read()78 begin = base + data_tail % buffer_size; in perf_event_read()115 header->data_tail = data_head; in perf_event_read()
101 size_t data_tail; member303 head_to_end(udev->data_tail, udev->data_size)); in gather_and_free_data_area()308 udev->data_off + udev->data_tail; in gather_and_free_data_area()312 UPDATE_HEAD(udev->data_tail, copy_bytes, udev->data_size); in gather_and_free_data_area()319 udev->data_off + udev->data_tail; in gather_and_free_data_area()320 WARN_ON(udev->data_tail); in gather_and_free_data_area()325 UPDATE_HEAD(udev->data_tail, in gather_and_free_data_area()365 space = spc_free(udev->data_head, udev->data_tail, udev->data_size); in is_ring_space_avail()368 udev->data_tail, udev->data_size); in is_ring_space_avail()534 UPDATE_HEAD(udev->data_tail, cmd->data_length, udev->data_size); in tcmu_handle_completion()[all …]
543 __u64 data_tail; /* user-space written tail */ member
218 pc->data_tail = tail; in perf_mmap__write_tail()
144 tail = READ_ONCE(rb->user_page->data_tail); in perf_output_begin()