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Profiling example code with CortexA9 core option on ARM profiler.

Sachin Kudva
Note: This was originally posted on 29th October 2010 at http://forums.arm.com

The ARM profiler bundled with RVDS comes with a few examples.
I was able to compile the xvid example with the ARM1136 compiler option (set in make file in ARM folder) and then profile with RTSM_EB_ARM_1136 as target Model as explained in the profiler user guide. I could see the xvid video play and i got the profile figures as well.

Also with the same image i am able to profile by setting RTSM_EB_Cortex_A8 as the target model option. Again, I could see the xvid video play and i got the profile figures as well.

But if i compile the same code with Cortex_A8 as the compiler and the try to profile with the RTSM_EB_Cortex_A8 as the target model, the profiler raises exception.. the code never enters main.. Could some one help me out on this..

I guess it is something to do with initialization of coretx features while compiling. for example the cache related feature etc not taken care in the arm_init.s file in the ARM folder.

Please help.. I am new to all this...
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