> > So I'm asking you, again, how are you going to measure softirq load in
> > making hardware IRQ load balancing decisions? Watching the scheduling
>
> rdtsc could do it very well, irqs and softirqs can't be rescheduled so
> you can tick measure how long you take in each cpu
On CPUs that vary frequency, this will break, unless TSC scales
with frequency. You cannot assume that this will be the case.
Dave
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