Barney Cordoba wrote:
Without polling (current load around 190-200 mbit/s, around
24-26 kpps):
top:
CPU: 0.0% user, 0.0% nice, 8.4%
system, 0.0% interrupt, 91.6% idle
Interrupts/s: 18322 total
28 mpt0 irq16
1999 cpu0: time
6906 em0 irq256
3392 em1 irq257
1999 cpu1: time
1999 cpu2: time
1999 cpu3: time
You really need to look at the taskq usage as averaging on a 4 core
CPU: 0.0% user, 0.0% nice, 10.0% system, 0.0% interrupt, 90.0% idle
27 root 1 -68 - 0K 16K - 1 137:47 40.28% em0 taskq
28 root 1 -68 - 0K 16K - 2 5:05 0.88% em1 taskq
You'll do a lot better setting your ITR to 2000 or so. You really don't
need an interrupt every 4 packets at those traffic levels.
Sorry, how would I do that? And how do I find the current ITR value?
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