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CCS - Memory bandwidth and Hit/miss cache

Sriram V
Intellectual 955 points

Hi,

I am using OMAP4. Can we meaure memory bandwidth when linux is in operation along with cache hit/miss stats using CCS in parallel.

  • 0
    TI__Guru**** 171809 points
    Hi,

    Usually the STM data transfer is done without the need to halt the target, therefore yes, it should be possible to monitor these with Linux in operation.

    Obviously that this may be completely false if Linux is powering down the JTAG circuitry to conserve power (a common scenario in some devices such as AM335x and OMAP5). To work around this, a rebuild of the kernel is necessary (or sometimes even a hacking on its source code).

    Hope this helps,
    Rafael