linux-kernel - [PATCH 4/4] perf annotate browser: The idx_asm field should be used in asm only view

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Date:	Tue, 29 May 2012 21:11:28 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 4/4] perf annotate browser: The idx_asm field should be used in asm only view

From: Arnaldo Carvalho de Melo <acme@...hat.com>

When hide_src_view is true we can't use browser_disasm_line->idx, that
takes into account also non asm lines, we must use browser_disasm_line->idx_asm
instead, otherwise we may end up with an index after the number of
entries, oops, fix it.

Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Mike Galbraith <efault@....de>
Cc: Namhyung Kim <namhyung@...il.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/n/tip-o1szpyjh3z87yi0n6x0cr8uu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/ui/browsers/annotate.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index 6e0ef79..aaf36ce 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -300,10 +300,14 @@ static void annotate_browser__set_rb_top(struct annotate_browser *browser,
 {
 	struct browser_disasm_line *bpos;
 	struct disasm_line *pos;
+	u32 idx;
 
 	bpos = rb_entry(nd, struct browser_disasm_line, rb_node);
 	pos = ((struct disasm_line *)bpos) - 1;
-	annotate_browser__set_top(browser, pos, bpos->idx);
+	idx = bpos->idx;
+	if (browser->hide_src_code)
+		idx = bpos->idx_asm;
+	annotate_browser__set_top(browser, pos, idx);
 	browser->curr_hot = nd;
 }
 
-- 
1.7.9.2.358.g22243

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