From: Masami Hiramatsu <masami.hiramatsu...@hitachi.com>

The --funcs option should be given exclusively.  This adds
PARSE_OPT_EXCUSIVE flag on --funcs (-F) option.

Without this, 'perf probe --funcs -l' just shows the list of probes.

With this, it shows error message correctly.

This also fixes the help message and the documentation.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com>
Tested-by: Arnaldo Carvalho de Melo <a...@redhat.com>
Cc: David Ahern <dsah...@gmail.com>
Cc: Jiri Olsa <jo...@redhat.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Link: 
http://lkml.kernel.org/r/20150423134612.26128.58189.stgit@localhost.localdomain
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/Documentation/perf-probe.txt | 2 ++
 tools/perf/builtin-probe.c              | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/tools/perf/Documentation/perf-probe.txt 
b/tools/perf/Documentation/perf-probe.txt
index 239609c09f83..a4a3cc76b36b 100644
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -19,6 +19,8 @@ or
 'perf probe' [options] --line='LINE'
 or
 'perf probe' [options] --vars='PROBEPOINT'
+or
+'perf probe' [options] --funcs
 
 DESCRIPTION
 -----------
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index f7b1af67e9f6..92dcce065e68 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -321,6 +321,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix 
__maybe_unused)
                "perf probe [<options>] --line 'LINEDESC'",
                "perf probe [<options>] --vars 'PROBEPOINT'",
 #endif
+               "perf probe [<options>] --funcs",
                NULL
 };
        struct option options[] = {
@@ -402,6 +403,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix 
__maybe_unused)
        set_option_flag(options, 'L', "line", PARSE_OPT_EXCLUSIVE);
        set_option_flag(options, 'V', "vars", PARSE_OPT_EXCLUSIVE);
 #endif
+       set_option_flag(options, 'F', "funcs", PARSE_OPT_EXCLUSIVE);
 
        argc = parse_options(argc, argv, options, probe_usage,
                             PARSE_OPT_STOP_AT_NON_OPTION);
-- 
1.9.3

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