In message <[EMAIL PROTECTED]>, Warner Losh writes: >We found at Timing Solutions when we were trying to measure interrupt >latency that the system time (getnanotime()) gave us measurements with >a larger variance than our expensive scopes that does statistical >gathering.
Uhm, you should have used nanotime(), not getnanotime(). getnanotime() returns a timestamp in nanoseconds of the last stored timestamp which may be up to 1/hz seconds old. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [EMAIL PROTECTED] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
