The tests for uniproc and dualcore-hyperthreading processors in the start-up stript of irqbalance (/etc/init.d/irqbalance) seem to be far too excessive. a)The uniproc/dual-core-hyperthreading processor tests are present in the code already: ----- /* On single core UP systems irqbalance obviously has no work to do */ if (core_count<2) exit(EXIT_SUCCESS); /* On dual core/hyperthreading shared cache systems just do a one shot setup */ if (cache_domain_count==1) one_shot_mode = 1; ----- (irqbalance.c, line 73) b)this test exclude AMD64X2 processors; as far as I know, these processors have not shared cache, but separated ones. Reproducible: Always Steps to Reproduce: 1.Try start irqbalance on AMD64X2 system via /etc/init.d/irqbalance script 2.it will not start, because of dual-core processor 3.try start irqbalance in the debug mode manually - it seems to be working prefectly Expected Results: It should be possible to start irqbalance on AMD64X2 systems, equipped by processors with separated caches (i.e. 939Toledo e.t.c).
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