1 files changed, 39 insertions, 20 deletions

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 13d414384739..fb8e42c7507a 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -69,8 +69,11 @@ static u32 hist_browser__nr_entries(struct hist_browser *hb)
 static void hist_browser__update_rows(struct hist_browser *hb)
 {
 	struct ui_browser *browser = &hb->b;
-	u16 header_offset = hb->show_headers ? 1 : 0, index_row;
+	struct hists *hists = hb->hists;
+	struct perf_hpp_list *hpp_list = hists->hpp_list;
+	u16 header_offset, index_row;
 
+	header_offset = hb->show_headers ? hpp_list->nr_header_lines : 0;
 	browser->rows = browser->height - header_offset;
 	/*
 	 * Verify if we were at the last line and that line isn't
@@ -99,8 +102,11 @@ static void hist_browser__refresh_dimensions(struct ui_browser *browser)
 
 static void hist_browser__gotorc(struct hist_browser *browser, int row, int column)
 {
-	u16 header_offset = browser->show_headers ? 1 : 0;
+	struct hists *hists = browser->hists;
+	struct perf_hpp_list *hpp_list = hists->hpp_list;
+	u16 header_offset;
 
+	header_offset = browser->show_headers ? hpp_list->nr_header_lines : 0;
 	ui_browser__gotorc(&browser->b, row + header_offset, column);
 }
 
@@ -1074,7 +1080,7 @@ struct hpp_arg {
 	bool current_entry;
 };
 
-static int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...)
+int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...)
 {
 	struct hpp_arg *arg = hpp->ptr;
 	int ret, len;
@@ -1091,7 +1097,6 @@ static int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...)
 	ret = scnprintf(hpp->buf, hpp->size, fmt, len, percent);
 	ui_browser__printf(arg->b, "%s", hpp->buf);
 
-	advance_hpp(hpp, ret);
 	return ret;
 }
 
@@ -1496,7 +1501,9 @@ static int advance_hpp_check(struct perf_hpp *hpp, int inc)
 	return hpp->size <= 0;
 }
 
-static int hists_browser__scnprintf_headers(struct hist_browser *browser, char *buf, size_t size)
+static int
+hists_browser__scnprintf_headers(struct hist_browser *browser, char *buf,
+				 size_t size, int line)
 {
 	struct hists *hists = browser->hists;
 	struct perf_hpp dummy_hpp = {
@@ -1506,6 +1513,7 @@ static int hists_browser__scnprintf_headers(struct hist_browser *browser, char *
 	struct perf_hpp_fmt *fmt;
 	size_t ret = 0;
 	int column = 0;
+	int span = 0;
 
 	if (symbol_conf.use_callchain) {
 		ret = scnprintf(buf, size, "  ");
@@ -1517,10 +1525,13 @@ static int hists_browser__scnprintf_headers(struct hist_browser *browser, char *
 		if (perf_hpp__should_skip(fmt, hists)  || column++ < browser->b.horiz_scroll)
 			continue;
 
-		ret = fmt->header(fmt, &dummy_hpp, hists);
+		ret = fmt->header(fmt, &dummy_hpp, hists, line, &span);
 		if (advance_hpp_check(&dummy_hpp, ret))
 			break;
 
+		if (span)
+			continue;
+
 		ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, "  ");
 		if (advance_hpp_check(&dummy_hpp, ret))
 			break;
@@ -1554,7 +1565,7 @@ static int hists_browser__scnprintf_hierarchy_headers(struct hist_browser *brows
 		if (column++ < browser->b.horiz_scroll)
 			continue;
 
-		ret = fmt->header(fmt, &dummy_hpp, hists);
+		ret = fmt->header(fmt, &dummy_hpp, hists, 0, NULL);
 		if (advance_hpp_check(&dummy_hpp, ret))
 			break;
 
@@ -1591,7 +1602,7 @@ static int hists_browser__scnprintf_hierarchy_headers(struct hist_browser *brows
 			}
 			first_col = false;
 
-			ret = fmt->header(fmt, &dummy_hpp, hists);
+			ret = fmt->header(fmt, &dummy_hpp, hists, 0, NULL);
 			dummy_hpp.buf[ret] = '\0';
 
 			start = trim(dummy_hpp.buf);
@@ -1622,14 +1633,21 @@ static void hists_browser__hierarchy_headers(struct hist_browser *browser)
 
 static void hists_browser__headers(struct hist_browser *browser)
 {
-	char headers[1024];
+	struct hists *hists = browser->hists;
+	struct perf_hpp_list *hpp_list = hists->hpp_list;
 
-	hists_browser__scnprintf_headers(browser, headers,
-					 sizeof(headers));
+	int line;
 
-	ui_browser__gotorc(&browser->b, 0, 0);
-	ui_browser__set_color(&browser->b, HE_COLORSET_ROOT);
-	ui_browser__write_nstring(&browser->b, headers, browser->b.width + 1);
+	for (line = 0; line < hpp_list->nr_header_lines; line++) {
+		char headers[1024];
+
+		hists_browser__scnprintf_headers(browser, headers,
+						 sizeof(headers), line);
+
+		ui_browser__gotorc(&browser->b, line, 0);
+		ui_browser__set_color(&browser->b, HE_COLORSET_ROOT);
+		ui_browser__write_nstring(&browser->b, headers, browser->b.width + 1);
+	}
 }
 
 static void hist_browser__show_headers(struct hist_browser *browser)
@@ -1656,10 +1674,13 @@ static unsigned int hist_browser__refresh(struct ui_browser *browser)
 	u16 header_offset = 0;
 	struct rb_node *nd;
 	struct hist_browser *hb = container_of(browser, struct hist_browser, b);
+	struct hists *hists = hb->hists;
 
 	if (hb->show_headers) {
+		struct perf_hpp_list *hpp_list = hists->hpp_list;
+
 		hist_browser__show_headers(hb);
-		header_offset = 1;
+		header_offset = hpp_list->nr_header_lines;
 	}
 
 	ui_browser__hists_init_top(browser);
@@ -2054,10 +2075,10 @@ void hist_browser__init(struct hist_browser *browser,
 	browser->b.use_navkeypressed	= true;
 	browser->show_headers		= symbol_conf.show_hist_headers;
 
-	hists__for_each_format(hists, fmt) {
-		perf_hpp__reset_width(fmt, hists);
+	hists__for_each_format(hists, fmt)
 		++browser->b.columns;
-	}
+
+	hists__reset_column_width(hists);
 }
 
 struct hist_browser *hist_browser__new(struct hists *hists)
@@ -2418,8 +2439,6 @@ do_zoom_dso(struct hist_browser *browser, struct popup_action *act)
 		browser->hists->dso_filter = NULL;
 		ui_helpline__pop();
 	} else {
-		if (map == NULL)
-			return 0;
 		ui_helpline__fpush("To zoom out press ESC or ENTER + \"Zoom out of %s DSO\"",
 				   __map__is_kernel(map) ? "the Kernel" : map->dso->short_name);
 		browser->hists->dso_filter = map->dso;