Lines Matching refs:meta
20 description. It is referred to as the meta-page. One of the most important
21 fields of the meta-page is the reader. It contains the sub-buffer ID which can
24 The meta-page is followed by all the sub-buffers, ordered by ascending ID. It is
29 reader_id = meta->reader->id;
30 reader_offset = meta->meta_page_size + reader_id * meta->subbuf_size;
34 the meta-page fields.
69 struct trace_buffer_meta *meta;
80 meta = (struct trace_buffer_meta *)map;
81 meta_len = meta->meta_page_size;
83 printf("entries: %llu\n", meta->entries);
84 printf("overrun: %llu\n", meta->overrun);
85 printf("read: %llu\n", meta->read);
86 printf("nr_subbufs: %u\n", meta->nr_subbufs);
88 data_len = meta->subbuf_size * meta->nr_subbufs;
96 reader_id = meta->reader.id;
97 reader = data + meta->subbuf_size * reader_id;
102 munmap(meta, meta_len);