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SubjectRe: questions on NAPI processing latency and dropped network packets
James Chapman wrote:

> What's changed in your application? Any real-time threads in there?
>
>>From the top output below, looks like SigtranServices is consuming all
> your CPU...

There are two cpus, and SigtranServices is multithreaded with many
threads. Most of these threads are affined to cpu0, a couple to cpu1.
None of the threads are realtime.

Top is showing 37% idle on cpu0, and 6% idle on cpu1, so not all the cpu
is being consumed. However, I'm wondering if we're hitting bursty bits
and we're just running out of time.

I'm going to try a system with MAX_SOFTIRQ_RESTART bumped up a bit, and
also enable profiling.

Chris


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