diff options
| -rw-r--r-- | tools/perf/builtin-report.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index dcedfe00f04d..ca8f2331795c 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -691,10 +691,25 @@ static int report__browse_hists(struct report *rep) static int report__collapse_hists(struct report *rep) { + struct perf_session *session = rep->session; + struct evlist *evlist = session->evlist; struct ui_progress prog; struct evsel *pos; int ret = 0; + /* + * The pipe data needs to setup hierarchy hpp formats now, because it + * cannot know about evsels in the data before reading the data. The + * normal file data saves the event (attribute) info in the header + * section, but pipe does not have the luxury. + */ + if (perf_data__is_pipe(session->data)) { + if (perf_hpp__setup_hists_formats(&perf_hpp_list, evlist) < 0) { + ui__error("Failed to setup hierachy output formats\n"); + return -1; + } + } + ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); evlist__for_each_entry(rep->session->evlist, pos) { |