diff options
| -rw-r--r-- | tools/perf/util/header.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 07ff647197ff..3285981948d7 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -61,14 +61,28 @@ struct perf_file_section { u64 size; }; +/** + * struct perf_file_header: Header representation on disk. + */ struct perf_file_header { + /** @magic: Holds "PERFILE2". */ u64 magic; + /** @size: Size of this header - sizeof(struct perf_file_header). */ u64 size; + /** + * @attr_size: Size of attrs entries - sizeof(struct perf_event_attr) + + * sizeof(struct perf_file_section). + */ u64 attr_size; + /** @attrs: Offset and size of file section holding attributes. */ struct perf_file_section attrs; + /** @data: Offset and size of file section holding regular event data. */ struct perf_file_section data; - /* event_types is ignored */ + /** @event_types: Ignored. */ struct perf_file_section event_types; + /** + * @adds_features: Bitmap of features. The features are immediately after the data section. + */ DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); }; |