diff options
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 3 | ||||
| -rw-r--r-- | tools/perf/builtin-report.c | 6 |
2 files changed, 7 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 907e505b6309..a76b871f78a6 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -354,7 +354,8 @@ OPTIONS Path to objdump binary. --group:: - Show event group information together. + Show event group information together. It forces group output also + if there are no groups defined in data file. --demangle:: Demangle symbol names to human readable form. It's enabled by default, diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 8ef71669e7a0..1eedb1815c4c 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -938,6 +938,7 @@ int cmd_report(int argc, const char **argv) "perf report [<options>]", NULL }; + bool group_set = false; struct report report = { .tool = { .sample = process_sample_event, @@ -1057,7 +1058,7 @@ int cmd_report(int argc, const char **argv) "Specify disassembler style (e.g. -M intel for intel syntax)"), OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, "Show a column with the sum of periods"), - OPT_BOOLEAN(0, "group", &symbol_conf.event_group, + OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group, &group_set, "Show event group information together"), OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", "use branch records for per branch histogram filling", @@ -1174,6 +1175,9 @@ repeat: has_br_stack = perf_header__has_feat(&session->header, HEADER_BRANCH_STACK); + if (group_set && !session->evlist->nr_groups) + perf_evlist__set_leader(session->evlist); + if (itrace_synth_opts.last_branch) has_br_stack = true; |
