PCI IRQ latency
doconnor at gsoft.com.au
Wed Aug 19 07:22:21 UTC 2009
On Wed, 19 Aug 2009, Daniel O'Connor wrote:
> Unfortunately it seems that _something_ blocks interrupts for >4
> milliseconds, however I have no real idea how to go about finding
> what it is.. Does anyone have any suggestions? (apart from get a new
> DAQ card, I know this one already :)
Actually it appears I have misread my diagnostics and it's not a lack of
interrupts, rather the reading process gets stalled (by up to 5 seconds
at a time).
Sorry for the noise :(
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
-- Andrew Tanenbaum
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