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@ 2005-03-30 20:08 Jody Belka
  2005-03-30 20:22 ` [Xen-users] irc Christopher S. Aker
  2005-03-30 20:57 ` irc Rik van Riel
  0 siblings, 2 replies; 5+ messages in thread
From: Jody Belka @ 2005-03-30 20:08 UTC (permalink / raw)
  To: xen-devel, xen-users

Hi,

If anyone is interested, i've registered #xen-users and #xen-devel on
freenode, so pop by if you feel like it.


J

-- 
Jody Belka
knew (at) pimb (dot) org

^ permalink raw reply	[flat|nested] 5+ messages in thread
* RE: RTC going backwards?
@ 2005-04-05 20:20 Ian Pratt
  0 siblings, 0 replies; 5+ messages in thread
From: Ian Pratt @ 2005-04-05 20:20 UTC (permalink / raw)
  To: Rob Gardner, xen-devel


> Is it possible to call NOW() in xen, and then sometime later 
> call it again and get a slightly smaller value (ie, by a few 
> thousand ns)? Is there something that makes small corrections 
> to the rtc once in a while? 
> I'm trying to track down a bug in some code I'm developing 
> and it looks like time really does go backwards sometimes.

NOW() uses get_s_time (system time), which should always be greater or
equal to the previous value.

If you're running a domain 0 with xntpd, then Xen's wall clock time time
(as opposed to system time) can indeed go backwards if domain 0 pushes
down adjustments to it. 

Ian

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2005-04-05 20:20 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2005-03-30 20:08 irc Jody Belka
2005-03-30 20:22 ` [Xen-users] irc Christopher S. Aker
2005-03-30 20:57 ` irc Rik van Riel
2005-04-05 20:03   ` RTC going backwards? Rob Gardner
  -- strict thread matches above, loose matches on Subject: below --
2005-04-05 20:20 Ian Pratt

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