sd_journal_get_cutoff_monotonic_usec 1024 src/shared/logs-show.c                         r = sd_journal_get_cutoff_monotonic_usec(j, boot_id, &cutoff, NULL);
sd_journal_get_cutoff_monotonic_usec  123 src/systemd/sd-journal.h int sd_journal_get_cutoff_monotonic_usec(sd_journal *j, const sd_id128_t boot_id, uint64_t *from, uint64_t *to);