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-rw-r--r--tools/perf/util/hist.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index da2899e8c6f8..f7ad6bdbc667 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -50,6 +50,15 @@ static void hists__calc_col_len(struct hists *self, struct hist_entry *h)
if (h->ms.sym)
hists__new_col_len(self, HISTC_SYMBOL, h->ms.sym->namelen);
+ else {
+ const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
+
+ if (hists__col_len(self, HISTC_DSO) < unresolved_col_width &&
+ !symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
+ !symbol_conf.dso_list)
+ hists__set_col_len(self, HISTC_DSO,
+ unresolved_col_width);
+ }
len = thread__comm_len(h->thread);
if (hists__new_col_len(self, HISTC_COMM, len))