--- wpa_supplicant-2.9/src/utils/wpa_debug.c	2019-08-07 09:25:25.000000000 -0400
+++ wpa_supplicant-2.9-new/src/utils/wpa_debug.c	2020-12-17 09:17:14.274700827 -0500
@@ -16,6 +16,8 @@
 int wpa_debug_syslog = 0;
 #endif /* CONFIG_DEBUG_SYSLOG */
 
+#include <time.h>
+#include <sys/time.h>
 #ifdef CONFIG_DEBUG_LINUX_TRACING
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -658,7 +660,13 @@
 	if (wpa_msg_ifname_cb) {
 		const char *ifname = wpa_msg_ifname_cb(ctx);
 		if (ifname) {
-			int res = os_snprintf(prefix, sizeof(prefix), "%s: ",
+			struct timeval tv0;
+			gettimeofday(&tv0, NULL);
+			struct tm *tm0 = localtime((time_t *)&tv0.tv_sec);
+			int res = os_snprintf(prefix, sizeof(prefix),
+					      "%02d%02d%02d-%02d%02d%02d.%06ld %s: ",
+					      tm0->tm_year+1900-2000, tm0->tm_mon+1, tm0->tm_mday,
+					      tm0->tm_hour, tm0->tm_min, tm0->tm_sec, tv0.tv_usec,
 					      ifname);
 			if (os_snprintf_error(sizeof(prefix), res))
 				prefix[0] = '\0';