perf bench sched-messaging: Use USEC_PER_MSEC

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-xhyoyxejvorrgmwjx9k3j8k2@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/bench/sched-messaging.c

@@ -29,6 +29,7 @@
 #include <poll.h>
 #include <limits.h>
 #include <err.h>
+#include <linux/time64.h>
 
 #define DATASIZE 100
 
@@ -312,11 +313,11 @@ int bench_sched_messaging(int argc, const char **argv,
 		       thread_mode ? "threads" : "processes");
 		printf(" %14s: %lu.%03lu [sec]\n", "Total time",
 		       diff.tv_sec,
-		       (unsigned long) (diff.tv_usec/1000));
+		       (unsigned long) (diff.tv_usec / USEC_PER_MSEC));
 		break;
 	case BENCH_FORMAT_SIMPLE:
 		printf("%lu.%03lu\n", diff.tv_sec,
-		       (unsigned long) (diff.tv_usec/1000));
+		       (unsigned long) (diff.tv_usec / USEC_PER_MSEC));
 		break;
 	default:
 		/* reaching here is something disaster */