When horizontall scrolling is used in hierarchy mode, the the right most
column has unnecessary indentation.  Actually it's needed only if some
of left (overhead) columns were shown.

Signed-off-by: Namhyung Kim <[email protected]>
---
 tools/perf/ui/browsers/hists.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 7722ad311318..15b29a79a69b 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1361,8 +1361,10 @@ static int hist_browser__show_hierarchy_entry(struct 
hist_browser *browser,
                width -= hpp.buf - s;
        }
 
-       ui_browser__write_nstring(&browser->b, "", hierarchy_indent);
-       width -= hierarchy_indent;
+       if (!first) {
+               ui_browser__write_nstring(&browser->b, "", hierarchy_indent);
+               width -= hierarchy_indent;
+       }
 
        if (column >= browser->b.horiz_scroll) {
                char s[2048];
@@ -1565,6 +1567,7 @@ static int 
hists_browser__scnprintf_hierarchy_headers(struct hist_browser *brows
        if (advance_hpp_check(&dummy_hpp, ret))
                return ret;
 
+       first_node = true;
        /* the first hpp_list_node is for overhead columns */
        fmt_node = list_first_entry(&hists->hpp_formats,
                                    struct perf_hpp_list_node, list);
@@ -1579,12 +1582,16 @@ static int 
hists_browser__scnprintf_hierarchy_headers(struct hist_browser *brows
                ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, "  ");
                if (advance_hpp_check(&dummy_hpp, ret))
                        break;
+
+               first_node = false;
        }
 
-       ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, "%*s",
-                       indent * HIERARCHY_INDENT, "");
-       if (advance_hpp_check(&dummy_hpp, ret))
-               return ret;
+       if (!first_node) {
+               ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, "%*s",
+                               indent * HIERARCHY_INDENT, "");
+               if (advance_hpp_check(&dummy_hpp, ret))
+                       return ret;
+       }
 
        first_node = true;
        list_for_each_entry_continue(fmt_node, &hists->hpp_formats, list) {
-- 
2.10.1

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