Provided by: freebsd-manpages_12.2-2_all 

NAME
vfs_timestamp — generate current timestamp
SYNOPSIS
#include <sys/param.h>
#include <sys/vnode.h>
void
vfs_timestamp(struct timespec *tsp);
DESCRIPTION
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.
AUTHORS
This manual page was written by Chad David <davidc@acns.ab.ca>.
Debian November 21, 2001 VFS_TIMESTAMP(9)