diff options
Diffstat (limited to 'tools/perf/util/header.h')
| -rw-r--r-- | tools/perf/util/header.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index c9e3265832d9..08563c1f1bff 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -121,6 +121,21 @@ int perf_session__write_header(struct perf_session *session, int fd, bool at_exit); int perf_header__write_pipe(int fd); +/* feat_writer writes a feature section to output */ +struct feat_writer { + int (*write)(struct feat_writer *fw, void *buf, size_t sz); +}; + +/* feat_copier copies a feature section using feat_writer to output */ +struct feat_copier { + int (*copy)(struct feat_copier *fc, int feat, struct feat_writer *fw); +}; + +int perf_session__inject_header(struct perf_session *session, + struct evlist *evlist, + int fd, + struct feat_copier *fc); + void perf_header__set_feat(struct perf_header *header, int feat); void perf_header__clear_feat(struct perf_header *header, int feat); bool perf_header__has_feat(const struct perf_header *header, int feat); @@ -158,6 +173,7 @@ int do_write(struct feat_fd *fd, const void *buf, size_t size); int write_padded(struct feat_fd *fd, const void *bf, size_t count, size_t count_aligned); +int is_cpu_online(unsigned int cpu); /* * arch specific callback */ |