diff options
Diffstat (limited to 'tools/perf/util/header.c')
-rw-r--r-- | tools/perf/util/header.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 2f3eded54b0c..3d12c16e5103 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -41,6 +41,8 @@ static const u64 __perf_magic2_sw = 0x50455246494c4532ULL; #define PERF_MAGIC __perf_magic2 +const char perf_version_string[] = PERF_VERSION; + struct perf_file_attr { struct perf_event_attr attr; struct perf_file_section ids; @@ -2250,11 +2252,28 @@ int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full) struct header_print_data hd; struct perf_header *header = &session->header; int fd = perf_data_file__fd(session->file); + struct stat st; + int ret, bit; + hd.fp = fp; hd.full = full; + ret = fstat(fd, &st); + if (ret == -1) + return -1; + + fprintf(fp, "# captured on: %s", ctime(&st.st_ctime)); + perf_header__process_sections(header, fd, &hd, perf_file_section__fprintf_info); + + fprintf(fp, "# missing features: "); + for_each_clear_bit(bit, header->adds_features, HEADER_LAST_FEATURE) { + if (bit) + fprintf(fp, "%s ", feat_ops[bit].name); + } + + fprintf(fp, "\n"); return 0; } @@ -2273,7 +2292,7 @@ static int do_write_feat(int fd, struct perf_header *h, int type, err = feat_ops[type].write(fd, h, evlist); if (err < 0) { - pr_debug("failed to write feature %d\n", type); + pr_debug("failed to write feature %s\n", feat_ops[type].name); /* undo anything written */ lseek(fd, (*p)->offset, SEEK_SET); @@ -2784,8 +2803,10 @@ static int perf_evsel__prepare_tracepoint_event(struct perf_evsel *evsel, } event = pevent_find_event(pevent, evsel->attr.config); - if (event == NULL) + if (event == NULL) { + pr_debug("cannot find event format for %d\n", (int)evsel->attr.config); return -1; + } if (!evsel->name) { snprintf(bf, sizeof(bf), "%s:%s", event->system, event->name); @@ -3184,6 +3205,7 @@ int perf_event__process_event_update(struct perf_tool *tool __maybe_unused, case PERF_EVENT_UPDATE__SCALE: ev_scale = (struct event_update_event_scale *) ev->data; evsel->scale = ev_scale->scale; + break; case PERF_EVENT_UPDATE__CPUS: ev_cpus = (struct event_update_event_cpus *) ev->data; |