diff options
Diffstat (limited to 'tools/perf/builtin-top.c')
| -rw-r--r-- | tools/perf/builtin-top.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 051ded5ba9ba..c77e195ea786 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1734,6 +1734,14 @@ int cmd_top(int argc, const char **argv) if (opts->branch_stack && callchain_param.enabled) symbol_conf.show_branchflag_count = true; + if (opts->branch_stack) { + status = perf_env__read_core_pmu_caps(&perf_env); + if (status) { + pr_err("PMU capability data is not available\n"); + goto out_delete_evlist; + } + } + sort__mode = SORT_MODE__TOP; /* display thread wants entries to be collapsed in a different tree */ perf_hpp_list.need_collapse = 1; |