Re: Getting started with DTrace in FreeBSD-current (a.k.a. 8)

From: Chuck Robey <chuckr_at_telenix.org>
Date: Sat, 21 Jun 2008 18:09:58 -0400
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John Birrell wrote:
> On Sat, Jun 21, 2008 at 07:00:28PM +0200, Max Laier wrote:
>> On Wednesday 11 June 2008 07:12:57 John Birrell wrote:
>>> It's been a few weeks now since I committed DTrace support to current.
>>>
>>> I did this without a headsup message to this list to give the early
>>> adopters a chance to try it before exposing it to the world at large.
>> ...
>>> 11. Go wild!
>> This might be a stupid question, but it seems that timestamp (and friends) 
>> roll-over at 32bit, not 64 as advertised in the documentation.  Is this a 
>> feature or a bug?
> 
> It's a bug. I'm not convinced it's actually a roll-over problem though.

Piece of trivia I once picked up, that as it was orignally released, Windows NT
would reliably hang every 40 days (f it ever lasted that long).  Seems that NT
was keeping uptime in terms of milliseconds, with no rollover, which it would do
anyhow every 40 days.

Gave several of my friends a laugh.

> 
> --
> John Birrell
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Received on Sat Jun 21 2008 - 20:20:45 UTC

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