+ /* First: timestamp */
+ if (prefix_timestamp()) {
+ assert_se(clock_gettime(CLOCK_MONOTONIC, &ts) == 0);
+ snprintf(tbuf, sizeof(tbuf), "[%5llu.%06llu] ",
+ (unsigned long long) ts.tv_sec,
+ (unsigned long long) ts.tv_nsec / 1000);
+ IOVEC_SET_STRING(iovec[n++], tbuf);
+ }
+
+ /* Second: identifier and PID */