1 files changed, 19 insertions, 2 deletions

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 4274969ddc89..37388397b5bc 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -230,13 +230,14 @@ static int hpp__width_fn(struct perf_hpp_fmt *fmt,
 }
 
 static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
-                          struct hists *hists)
+                          struct hists *hists, int line __maybe_unused,
+                          int *span __maybe_unused)
 {
         int len = hpp__width_fn(fmt, hpp, hists);
         return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
 }
 
-static int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
+int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
 {
         va_list args;
         ssize_t ssize = hpp->size;
@@ -441,6 +442,7 @@ struct perf_hpp_fmt perf_hpp__format[] = {
 struct perf_hpp_list perf_hpp_list = {
         .fields = LIST_HEAD_INIT(perf_hpp_list.fields),
         .sorts  = LIST_HEAD_INIT(perf_hpp_list.sorts),
+        .nr_header_lines = 1,
 };
 
 #undef HPP__COLOR_PRINT_FNS
@@ -697,6 +699,21 @@ void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
         }
 }
 
+void hists__reset_column_width(struct hists *hists)
+{
+        struct perf_hpp_fmt *fmt;
+        struct perf_hpp_list_node *node;
+
+        hists__for_each_format(hists, fmt)
+                perf_hpp__reset_width(fmt, hists);
+
+        /* hierarchy entries have their own hpp list */
+        list_for_each_entry(node, &hists->hpp_formats, list) {
+                perf_hpp_list__for_each_format(&node->hpp, fmt)
+                        perf_hpp__reset_width(fmt, hists);
+        }
+}
+
 void perf_hpp__set_user_width(const char *width_list_str)
 {
         struct perf_hpp_fmt *fmt;