o de Melo <acme@redhat.com> 1297883049 -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@gmail.com>
Cc: 2nddept-manager@sdl.hitachi.co.jp
Cc: Franck Bui-Huu <fbuihuu@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20110210090816.1809.43426.stgit@ltc236.sdl.hitachi.co.jp>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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