Sean Boudreau(deleted)
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Re: io-pkt handles interrupt 0x1C EPIT-1 every 1 ms - is this
frequency required?
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Sean Boudreau(deleted)
02/11/2010 7:41 AM
post47113
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Re: io-pkt handles interrupt 0x1C EPIT-1 every 1 ms - is this
frequency required?
On Thu, Feb 11, 2010 at 02:58:18AM -0500, Andrew Sherk wrote:
> From a .kev file from a customer's target (via tracelogger):
>
> io-pkt-v4-hc handles interrupt 0x1C (EPIT-1 on imx35 platform, "Enhanced
> periodic interrupt timer"), which occurs regularly every 1 ms.
> What kind of processing is going on by io-pkt-v4-hc? Is it necessary? If not, how can we decrease the frequency of io
-pkt's interrupt handler being executed?
> This does not cause io-pkt to run, however, but it takes time to enter and exit this handler. The only other process
that handles this interrupt is procnto-v6-instr
>
It's attaching to the timer interrupt to handle all
its timers. It's necessary as currently architected.
Regards,
-seanb
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