[tip:perf/core] perf probe: Show filename which contains target function

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Commit-ID:  8737ebdea02315eaffaebb3b73d55f2f726a4fe0
Gitweb:     http://git.kernel.org/tip/8737ebdea02315eaffaebb3b73d55f2f726a4fe0
Author:     Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
AuthorDate: Thu, 10 Feb 2011 18:08:16 +0900
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 16 Feb 2011 17:04:09 -0200

perf probe: Show filename which contains target function

Show filename which contains a target function with the function name on
"--lines" mode, because perf-probe just shows the first function even if
there are many same-name functions.

Originally adopted by Franck Bui-Huu's patch which shows file name
instead of function name. I've just modified it to show both of function
name and file name, because of completeness of output.

 E.g.)
 $ perf probe -L t_show
 <t_show@/home/mhiramat/ksrc/linux-2.6-tip/kernel/trace/ftrace.c:0>
      0  static int t_show(struct seq_file *m, void *v)
      1  {
      2         struct ftrace_iterator *iter = m->private;
 ...

 $ perf probe -L t_show@trace/trace.c
 <t_show@/home/mhiramat/ksrc/linux-2.6-tip/kernel/trace/trace.c:0>
      0  static int t_show(struct seq_file *m, void *v)
      1  {
                struct tracer *t = v;
 ...

Original-patch-by: Franck Bui-Huu <fbuihuu@xxxxxxxxx>
Cc: 2nddept-manager@xxxxxxxxxxxxxxxxx
Cc: Franck Bui-Huu <fbuihuu@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
LKML-Reference: <20110210090816.1809.43426.stgit@xxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/util/probe-event.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index cbd7650..0e3ea13 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -409,7 +409,7 @@ int show_line_range(struct line_range *lr, const char *module)
 	setup_pager();
 
 	if (lr->function)
-		fprintf(stdout, "<%s:%d>\n", lr->function,
+		fprintf(stdout, "<%s@%s:%d>\n", lr->function, lr->path,
 			lr->start - lr->offset);
 	else
 		fprintf(stdout, "<%s:%d>\n", lr->path, lr->start);
--
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