Lines Matching refs:reader
3992 struct buffer_page *reader = cpu_buffer->reader_page; in rb_per_cpu_empty() local
4001 if (reader->read != rb_page_commit(reader)) in rb_per_cpu_empty()
4008 if (commit == reader) in rb_per_cpu_empty()
4434 struct buffer_page *reader; in ring_buffer_iter_empty() local
4443 reader = cpu_buffer->reader_page; in ring_buffer_iter_empty()
4469 (iter->head_page == reader && commit_page == head_page && in ring_buffer_iter_empty()
4540 struct buffer_page *reader = NULL; in rb_get_reader_page() local
4557 reader = NULL; in rb_get_reader_page()
4561 reader = cpu_buffer->reader_page; in rb_get_reader_page()
4564 if (cpu_buffer->reader_page->read < rb_page_size(reader)) in rb_get_reader_page()
4569 cpu_buffer->reader_page->read > rb_page_size(reader))) in rb_get_reader_page()
4573 reader = NULL; in rb_get_reader_page()
4593 reader = rb_set_head_page(cpu_buffer); in rb_get_reader_page()
4594 if (!reader) in rb_get_reader_page()
4596 cpu_buffer->reader_page->list.next = rb_list_head(reader->list.next); in rb_get_reader_page()
4597 cpu_buffer->reader_page->list.prev = reader->list.prev; in rb_get_reader_page()
4604 cpu_buffer->pages = reader->list.prev; in rb_get_reader_page()
4632 ret = rb_head_page_replace(reader, cpu_buffer->reader_page); in rb_get_reader_page()
4645 rb_list_head(reader->list.next)->prev = &cpu_buffer->reader_page->list; in rb_get_reader_page()
4651 cpu_buffer->reader_page = reader; in rb_get_reader_page()
4663 if (reader && reader->read == 0) in rb_get_reader_page()
4664 cpu_buffer->read_stamp = reader->page->time_stamp; in rb_get_reader_page()
4676 if (likely(!reader || rb_page_write(reader) <= BUF_PAGE_SIZE)) in rb_get_reader_page()
4687 reader = NULL; in rb_get_reader_page()
4696 return reader; in rb_get_reader_page()
4702 struct buffer_page *reader; in rb_advance_reader() local
4705 reader = rb_get_reader_page(cpu_buffer); in rb_advance_reader()
4708 if (RB_WARN_ON(cpu_buffer, !reader)) in rb_advance_reader()
4761 struct buffer_page *reader; in rb_buffer_peek() local
4776 reader = rb_get_reader_page(cpu_buffer); in rb_buffer_peek()
4777 if (!reader) in rb_buffer_peek()
4804 *ts = rb_fix_abs_ts(*ts, reader->page->time_stamp); in rb_buffer_peek()
5676 struct buffer_page *reader; in ring_buffer_read_page() local
5705 reader = rb_get_reader_page(cpu_buffer); in ring_buffer_read_page()
5706 if (!reader) in ring_buffer_read_page()
5711 read = reader->read; in ring_buffer_read_page()
5712 commit = rb_page_commit(reader); in ring_buffer_read_page()
5768 rpos = reader->read; in ring_buffer_read_page()
5787 cpu_buffer->read += rb_page_entries(reader); in ring_buffer_read_page()
5792 bpage = reader->page; in ring_buffer_read_page()
5793 reader->page = *data_page; in ring_buffer_read_page()
5794 local_set(&reader->write, 0); in ring_buffer_read_page()
5795 local_set(&reader->entries, 0); in ring_buffer_read_page()
5796 reader->read = 0; in ring_buffer_read_page()
5804 if (reader->real_end) in ring_buffer_read_page()
5805 local_set(&bpage->commit, reader->real_end); in ring_buffer_read_page()