[tip:perf/urgent] perf annotate browser: The idx_asm field should be used in asm only view

[tip-bot for Arnaldo Carvalho de Melo]

Commit-ID:  a44b45f236dd1c1a8caccf9a078adf2941a20267
Gitweb:     http://git.kernel.org/tip/a44b45f236dd1c1a8caccf9a078adf2941a20267
Author:     Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Tue, 29 May 2012 20:49:14 -0300
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 29 May 2012 20:52:38 -0300

perf annotate browser: The idx_asm field should be used in asm only view

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@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-o1szpyjh3z87yi0n6x0cr8uu@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/ui/browsers/annotate.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

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;
 }
 
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