linux-kernel - [tip:perf/urgent] perf ui browser: Fixup cleaning unused lines at the bottom

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Date:   Fri, 6 Apr 2018 10:06:05 -0700
From:   tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     adrian.hunter@...el.com, namhyung@...nel.org,
        yao.jin@...ux.intel.com, dsahern@...il.com, mingo@...nel.org,
        hpa@...or.com, acme@...hat.com, tglx@...utronix.de,
        wangnan0@...wei.com, linux-kernel@...r.kernel.org,
        ak@...ux.intel.com, jolsa@...nel.org
Subject: [tip:perf/urgent] perf ui browser: Fixup cleaning unused lines at
 the bottom

Commit-ID:  caf61de356189f0925b23c3922bd16b53bb7c768
Gitweb:     https://git.kernel.org/tip/caf61de356189f0925b23c3922bd16b53bb7c768
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Thu, 5 Apr 2018 11:43:38 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
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 <adrian.hunter@...el.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jin Yao <yao.jin@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Fixes: ef9ff6017e3c ("perf ui browser: Move the extra title lines from the hists browser")
Link: https://lkml.kernel.org/n/tip-dfcpokt1pm5ixm8n9pxwtstz@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/ui/browser.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
index d7bb2591838e..4f75561424ed 100644
--- a/tools/perf/ui/browser.c
+++ b/tools/perf/ui/browser.c
@@ -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;
 }