diff options
Diffstat (limited to 'tools/perf/builtin-diff.c')
| -rw-r--r-- | tools/perf/builtin-diff.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 4fde606..ff91e9c 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -50,6 +50,9 @@ static int diff__process_sample_event(event_t *event, struct perf_session *sessi return -1; } + if (al.filtered) + return 0; + event__parse_sample(event, session->sample_type, &data); if (al.sym && perf_session__add_hist_entry(session, &al, data.period)) { @@ -182,10 +185,14 @@ blank: memset(displacement, ' ', sizeof(displacement)); printed = fprintf(fp, "%4lu %5.5s ", pos, displacement); if (show_percent) { - double old_percent = (old_count * 100) / pair_session->events_stats.total, - new_percent = (self->count * 100) / session->events_stats.total; - double diff = old_percent - new_percent; + double old_percent = 0, new_percent = 0, diff; + + if (pair_session->events_stats.total > 0) + old_percent = (old_count * 100) / pair_session->events_stats.total; + if (session->events_stats.total > 0) + new_percent = (self->count * 100) / session->events_stats.total; + diff = old_percent - new_percent; if (verbose) printed += fprintf(fp, " %3.2f%% %3.2f%%", old_percent, new_percent); @@ -260,6 +267,12 @@ static const struct option options[] = { "Don't shorten the pathnames taking into account the cwd"), OPT_BOOLEAN('P', "full-paths", &event_ops.full_paths, "Don't shorten the pathnames taking into account the cwd"), + OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", + "only consider symbols in these dsos"), + OPT_STRING('C', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", + "only consider symbols in these comms"), + OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", + "only consider these symbols"), OPT_END() }; |