CPU affinity

IRQ affinity
Linux SMP IRQ Affinity | IGI's Blog
http://www.igigo.net/archives/231

Linux Kernel Documentation :: IRQ-affinity.txt
http://www.mjmwired.net/kernel/Documentation/IRQ-affinity.txt

/proc/irq/IRQ#/smp_affinity and /proc/irq/IRQ#/smp_affinity_list specifywhich target CPUs are permitted for a given IRQ source.

Oracle® Coherence Administrator's Guide: Performance Tuning
http://docs.oracle.com/cd/E24290_01/coh.371/e22838/tune_perftune.htm

SMP affinity and proper interrupt handling in Linux - Alex on Linux
http://www.alexonlinux.com/smp-affinity-and-proper-interrupt-handling-in-linux

Can our Interrupt controller do load balance between 2 cores?



Why interrupt affinity with multiple cores is not such a good thing - Alex on Linux
http://www.alexonlinux.com/why-interrupt-affinity-with-multiple-cores-is-not-such-a-good-thing

Improved Linux* SMP Scaling: User-directed Processor Affinity | Intel® Developer Zone
http://software.intel.com/en-us/articles/improved-linux-smp-scaling-user-directed-processor-affinity

Process/task affinity
Linux Setting processor affinity for a certain task or process
http://www.cyberciti.biz/tips/setting-processor-affinity-certain-task-or-process.html

apt-get install schedutils
taskset 0x00000001 -p 13545taskset -c 1 -p 13545
taskset -c 3,4 -p 13545