diff options
Diffstat (limited to 'tools/perf/util/data_map.c')
| -rw-r--r-- | tools/perf/util/data_map.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/tools/perf/util/data_map.c b/tools/perf/util/data_map.c index 18accb8fee4d..14cb8465eb08 100644 --- a/tools/perf/util/data_map.c +++ b/tools/perf/util/data_map.c @@ -70,6 +70,35 @@ process_event(event_t *event, unsigned long offset, unsigned long head) } } +int perf_header__read_build_ids(int input, off_t offset, off_t size) +{ + struct build_id_event bev; + char filename[PATH_MAX]; + off_t limit = offset + size; + int err = -1; + + while (offset < limit) { + struct dso *dso; + ssize_t len; + + if (read(input, &bev, sizeof(bev)) != sizeof(bev)) + goto out; + + len = bev.header.size - sizeof(bev); + if (read(input, filename, len) != len) + goto out; + + dso = dsos__findnew(filename); + if (dso != NULL) + dso__set_build_id(dso, &bev.build_id); + + offset += bev.header.size; + } + err = 0; +out: + return err; +} + int mmap_dispatch_perf_file(struct perf_header **pheader, const char *input_name, int force, @@ -130,7 +159,7 @@ int mmap_dispatch_perf_file(struct perf_header **pheader, if (curr_handler->sample_type_check(sample_type) < 0) exit(-1); - if (load_kernel(0, NULL) < 0) { + if (load_kernel(NULL) < 0) { perror("failed to load kernel symbols"); return EXIT_FAILURE; } |