+static int __eprintf_time(u64 t, const char *fmt, va_list args)
+{
+ int ret = 0;
+ u64 secs, usecs, nsecs = t;
+
+ secs = nsecs / NSECS_PER_SEC;
+ nsecs -= secs * NSECS_PER_SEC;
+ usecs = nsecs / NSECS_PER_USEC;
+
+ ret = fprintf(stderr, "[%13" PRIu64 ".%06" PRIu64 "] ",
+ secs, usecs);
+ ret += vfprintf(stderr, fmt, args);
+ return ret;
+}
+
+int eprintf_time(int level, int var, u64 t, const char *fmt, ...)
+{
+ int ret = 0;
+ va_list args;
+
+ if (var >= level) {
+ va_start(args, fmt);
+ ret = __eprintf_time(t, fmt, args);
+ va_end(args);
+ }
+
+ return ret;
+}
+