• Measuring the time of a world switch
    Dear all, Consider a scenario where a bare minimum hardware-assisted hypervisor is hosting 2 simple guest OSes on a dual-core Cortex-A15. I want to accurately measure the time it takes to switch from...
  • What's the difference between core, processor,cluster and CPU in ARM architecture?
    What's the difference between core, processor,cluster and CPU?
  • How to measure program execution time in ARM Cortex-A53 processor?
    Hi, I was using following method to read clock in cortex-a15:        static void readticks(unsigned int *result)         {             struct timeval t;             unsigned int cc;             if (!enabled...
  • Why does the ARM A15 processor have so many DVFS levels ?
    For eg. the A15 on the Samsung Exynos 5422 has around 19 DVFS levels which varies frequencies from 200MHz to 2GHz.
  • How to set secondary core's registers from primary arm?
    Hi all, Im working on Keystone II Tci6638k2k(4arm+8dsp) custom design board with u-boot. I understand that how u-boot working. U-boot gives entry point to other cores. Other cores take program counters...