Bartosz Giza wrote: > Tuesday 28 of October 2008 11:49:21 Oleksandr Samoylyk napisał(a): >> Ivan Voras wrote: >>> Bartosz Giza wrote: >>>> Another question is why em0 taskq is eating so much cpu ? BGE >>>> interface is actually one that pushes 2 times more packets than em0 >>>> and it uses about half cpu comparing to em0. Is that not strange ? >>>> Could someone tell my why is this happening ? BGE is faster ? or maybe >>>> i can tune some >>> I have the same problem - em0 taskq eating incredible amounts of CPU. >>> If you find a solution, contact me! >> It could be not just a problem with em driver. >> Firstly, it's good to make profiling and find out what exactly eats CPU >> time. > > Yes, we should make some profiling, but it is quite hard on busy production > router. When i turn on pooling on em0 card swi1: net is using about 3% of > cpu. So it is quite big difference between 20% with tasq and 3% with > polling.
Is the difference reflected in your system / idle CPU time? (i.e. does your idle time increase for ~~ 17%?)
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