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perf ui browser: Fixup cleaning unused lines at the bottom

tip:perf/urgent tip-bot for Arnaldo Carvalho de Melo 1 participant 1 message Apr 6, 2018 perf events

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Commit-ID:  caf61de356189f0925b23c3922bd16b53bb7c768
Gitweb:     https://git.kernel.org/tip/caf61de356189f0925b23c3922bd16b53bb7c768
Author:     Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Thu, 5 Apr 2018 11:43:38 -0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Thu, 5 Apr 2018 11:51:28 -0300

perf ui browser: Fixup cleaning unused lines at the bottom

Now that we can have extra title lines we should use ui_browser->rows and not ->height when drawing lines, as well as adding ui_browser->extra_title_lines to browser->y when cleaning unused lines at the bottom, otherwise we end up clobbering with spaces the last line just shown by ui_browser->refresh() routine.

Cc Adrian Hunter <[email protected]>
Cc Andi Kleen <[email protected]>
Cc David Ahern <[email protected]>
Cc Jin Yao <[email protected]>
Cc Jiri Olsa <[email protected]>
Cc Namhyung Kim <[email protected]>
Cc Wang Nan <[email protected]>
Fixes ef9ff6017e3c ("perf ui browser: Move the extra title lines from the hists browser")
Link https://lkml.kernel.org/n/[email protected] open here
Signed-off-by Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/ui/browser.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
tools/perf/ui/browser.c +2 -2
index d7bb2591838e..4f75561424ed 100644
@@ -343,8 +343,8 @@ static int __ui_browser__refresh(struct ui_browser *browser)
 	else
 		width += 1;
 
-	SLsmg_fill_region(browser->y + row, browser->x,
-			  browser->height - row, width, ' ');
+	SLsmg_fill_region(browser->y + row + browser->extra_title_lines, browser->x,
+			  browser->rows - row, width, ' ');
 
 	return 0;
 }