journal_file_get_cutoff_monotonic_usec  206 src/journal/journal-file.h int journal_file_get_cutoff_monotonic_usec(JournalFile *f, sd_id128_t boot, usec_t *from, usec_t *to);
journal_file_get_cutoff_monotonic_usec 2454 src/journal/sd-journal.c                 r = journal_file_get_cutoff_monotonic_usec(f, boot_id, &fr, &t);