OPT_U64          1368 tools/perf/builtin-kvm.c 		OPT_U64(0, "duration", &kvm->duration,
OPT_U64          2131 tools/perf/builtin-record.c 	OPT_U64('c', "count", &record.opts.user_interval, "event period to sample"),
OPT_U64          1427 tools/perf/builtin-top.c 	OPT_U64('c', "count", &opts->user_interval, "event period to sample"),