Intel® VTune™ Amplifier XE and Intel® VTune™ Amplifier for Systems Help
Configure the Intel® VTune™ Amplifier to run the hardware event-based sampling collection on specific processors by using the CPU mask option.
Intel® VTune™ Amplifier supports sampling on up to 4096 processors (CPUs). To focus on specific processors, set processor masking and select processors to monitor for analysis: