[PATCH] perf mem: Show perf mem report usage by -h option

[Sangwon Hong]

When typing 'perf mem report -h', the result showed 'perf report' usage.
So change to show 'perf mem report' usage.

Cc: Jiri Olsa <jo...@kernel.org>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Taeung Song <treeze.tae...@gmail.com>
Signed-off-by: Sangwon Hong <qpa...@gmail.com>
---
 tools/perf/builtin-mem.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c
index 5065646..311fbed 100644
--- a/tools/perf/builtin-mem.c
+++ b/tools/perf/builtin-mem.c
@@ -314,6 +314,25 @@ static int report_events(int argc, const char **argv, 
struct perf_mem *mem)
        return ret;
 }
 
+static int __cmd_report(int argc, const char **argv, struct perf_mem *mem)
+{
+       int argc2;
+       const char *mem_report_usage[] = {
+               "perf mem [<options>] report",
+               NULL
+       };
+       struct option options[] = {
+       OPT_END()
+       };
+
+       argc2 = parse_options(argc, argv, options, mem_report_usage,
+                            PARSE_OPT_STOP_AT_NON_OPTION);
+       if (argc2)
+               usage_with_options(mem_report_usage, options);
+
+       return report_events(argc, argv, mem);
+}
+
 struct mem_mode {
        const char *name;
        int mode;
@@ -451,7 +470,7 @@ int cmd_mem(int argc, const char **argv)
        if (!strncmp(argv[0], "rec", 3))
                return __cmd_record(argc, argv, &mem);
        else if (!strncmp(argv[0], "rep", 3))
-               return report_events(argc, argv, &mem);
+               return __cmd_report(argc, argv, &mem);
        else
                usage_with_options(mem_usage, mem_options);
 
-- 
2.7.4