Why can't I capture Cortex-A7/A15 counters on exynos 5 using ARM Streamline?

This is our current setup on a Hardkernel odroid-xu3 board based on EXYNOS5422.   1.- Board is running Ubuntu 14.04.1 LTS. Linux kernel 3.10.59 rebuilt with options:   CONFIG_GENERIC_TRACER   CONFIG_TRACING