Elad Lahav wrote:
> On Linux, it is possible to determine which processors on a 
> multiprocessor handle each interrupt (via 
> /proc/irq/IRQ_NUM/smp_affinity). From my experience, this can greatly 
> affect the performance of, e.g., web servers.
> Is there an equivalent mechanism on Solaris?

echo '::interrupts' | mdb -k

However, it just has the ISR name, not the actual device name.
So, for example, if you have two NICs of the same type, it
is hard to distinguish between them.   To do this, I tend to
run mpstat and watch the interrupt count..

Drew
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