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A53 Cycle Count Using PMU

Hello,
I'm trying to count the number of CPU cycles on my A53 core using PMU_CCNTR. I tried enabling the PMU using DEMCR->TRCENA bit, the writes to this register seem to halt the execution of my code. Can someone guide me through?

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Willy Wolff over 3 years ago +1 verified

Dear Rishikesh, You could use code from Time measurement using Performance Monitors Register on Cortex-A72 - Architectures and Processors forum - Support forums - Arm Community Best Regards, Wil...

0 Annie over 3 years ago

Hi there, I have moved your question to the Architectures and Processors forum. Many thanks.
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+1 Willy Wolff over 3 years ago

Dear Rishikesh,

You could use code from Time measurement using Performance Monitors Register on Cortex-A72 - Architectures and Processors forum - Support forums - Arm Community

Best Regards,

Willy
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0 Rishikesh over 3 years ago in reply to Willy Wolff

Thanks Willy. It worked.
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