vfs_timestamp(9)

vfs_timestamp9

Generate current timestamp

Usage

#include <sys/param.h>

#include <sys/vnode.h>

void

vfs_timestamp(struct timespec *tsp);

Overview

The vfs_timestamp() function fills in tsp with the current time.

The precision is based on the value of the vfs.timestamp_precision sysctl variable:

0

seconds only; nanoseconds are zeroed.

1

seconds and nanoseconds, accurate within 1/HZ.

2

seconds and nanoseconds, truncated to microseconds.

≥3

seconds and nanoseconds, maximum precision.

Releases

56 releases since FreeBSD 5.0-RELEASE; the text changed 33 times.

  1. 5.0–5.1
  2. 5.2–6.3
  3. 6.4
  4. 7.0
  5. 7.1
  6. 7.2
  7. 7.3
  8. 7.4
  9. 8.0
  10. 8.1
  11. 8.2
  12. 8.3
  13. 8.4
  14. 9.0
  15. 9.1
  16. 9.2
  17. 9.3
  18. 10.0
  19. 10.1
  20. 10.2
  21. 10.3
  22. 10.4
  23. 11.0
  24. 11.1
  25. 11.2
  26. 11.3
  27. 11.4
  28. 12.0
  29. 12.1
  30. 12.2
  31. 12.3
  32. 12.4
  33. 13.0–13.2
  34. 13.3–16.0

Authors

This manual page was written by Chad David ⟨[email protected]⟩.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.