I am seeing problems of applications running on a TS-7350 that go 'dead' (for
lack of a better description) for periods of 2-5 seconds. This seems to happen
irregularly, but generally every 1 to 10 minutes. I suspect that there is some
daemon process running periodically that is hogging all userspace CPU, since
running 'top' doesn't show anything, but does also appear to go dead for brief
periods (although this is very difficult to assess for sure).
I've turned off swapping, and have tried to eliminate anything else I thought
was unnecessary for my application. There are no cron jobs running. Can anyone
suggest where else to look?
I'm using a default 2.6.21 kernel, and am also using the TS-CAN1 CANbus
interface with the TS supplied driver. I suspect that the problem exists even
without the CANbus, but the CANbus interface allows me to see the problem, as I
am grabbing time-stamped messages from the bus, and I know those timestamps are
accurate.
Thanks.
--- rod.
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