perf report: Rename to --show-cpu-utilization

So that it can be more consistent with other --show-* options.  The old
name (--showcpuutilization) is provided only for compatibility.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1445701767-12731-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 50dd4d3..2853ad2 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -699,8 +699,10 @@
 		   " Please refer the man page for the complete list."),
 	OPT_STRING('F', "fields", &field_order, "key[,keys...]",
 		   "output field(s): overhead, period, sample plus all of sort keys"),
-	OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
+	OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization,
 		    "Show sample percentage for different cpu modes"),
+	OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
+		    "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN),
 	OPT_STRING('p', "parent", &parent_pattern, "regex",
 		   "regex filter to identify parent, see: '--sort parent'"),
 	OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,