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how to check barnch miss predict

Note: This was originally posted on 3rd August 2009 at http://forums.arm.com

Hello,

I am doing coding in ARM- NEON Assembly on Cortex-A8 (ARMv7-a) architecture?

How to check that branch miss predict happened to avoid extra cycles?

Thanks,

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Peter Harris over 12 years ago

Note: This was originally posted on 3rd August 2009 at http://forums.arm.com

> As I am working on OMAP3530, how to enable 4 event count register in user mode?

Poke the appropriate bit in to the User Enable Register in the kernel, and then PMU counters should be visible in user-space.

[url="http://infocenter.arm.com/help/topic/com.arm.doc.ddi0344j/Bgbcjifb.html"]http://infocenter.arm.com/help/topic/com.a...j/Bgbcjifb.html[/url]
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Peter Harris over 12 years ago

Note: This was originally posted on 3rd August 2009 at http://forums.arm.com

> As I am working on OMAP3530, how to enable 4 event count register in user mode?

Poke the appropriate bit in to the User Enable Register in the kernel, and then PMU counters should be visible in user-space.

[url="http://infocenter.arm.com/help/topic/com.arm.doc.ddi0344j/Bgbcjifb.html"]http://infocenter.arm.com/help/topic/com.a...j/Bgbcjifb.html[/url]
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