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    Folks, I am trying to run linux 'perf' on a new board with 2 ARM cortex-a9 CPUs. After compiling the kernel to include perf tool, i run 'perf stat true' and it returns valid stats. But when I run 'perf...
  • Basic tests on Cortex-A9, Cortex-A5x
    hello everyone our company in their products is using Cortex-A9, Cortex-A5x processors inside. i want to know same basic tests that i have to check to validate ARM Processors:
  • Which is better of thees CPUs
    Which is better of thees CPUs: Cortex A53 octa core 1.5 ghz, Cortex A7 Allwinner T8 Eight core 2.0 ghz, Cortex A9 Quad-Core 1.8 ghz ?
  • Cortex-A9 PMU cycle counter not always incrementing at CPU frequency?
    Hello, I want to benchmark my program running on Linux on an Altera Cyclone V SoC board, but it turns out that the values returned from the ARM Cortex-A9 PMU cycle counter suggest that some sort of CPU...
  • Dhrystone Testing on Cortex A9: disabling Prints increases the DMIPS.
    i am seeing an issue while doing Dhrystone test. i am using Dhrstone source code of version 2.1. when i run this source code on LINUX platform, i got DMIPS/MHz =1.6 but there are some printing commands...