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Category Archives: realtime

Tips on real time application tuning on Linux systems

02-Apr-10

Interrupt affinity   Individual IRQs can be assigned to individual processors to handle it. Interrupts are generally shared evenly between CPUs which means delays while writing new data and instruction caches and conflicts with other running processes. Time critical IRQs should be dedicated to a CPU.   cat /proc/interrupts   Show which CPUs all IRQs [...]