isolcpus - isolate cpus from the kernel scheduler

isolcpus kernel configuration

isolate cpus from the kernel scheduler

useful for removing the critical cores from the scheduler - therefore pinned threads won't be preempted when they block on IO or similar, and therefore that core's data caches won't be trashed by other threads

http://www.linuxtopia.org/online_books/linux_kernel/kernel_configuration/re46.html