Cortex-A15 MPCore: How to Enable Monitor Debug Mode

Hi experts, I want to enable monitor debug mode for Cortex-A15 MPCore. I tried modifying DSCR[15] bit but watchpoint event still won't generate exception/abort. Core was in no-debug mode before modifying...
Cortex-A15 MPCore: How to Enable Monitor Debug Mode

Hi experts, I want to enable monitor debug mode for Cortex-A15 MPCore. I tried modifying DSCR[15] bit but watchpoint event still won't generate exception/abort. Core was in no-debug mode before modifying...
Why I can't find the performance monitoring event for all Instructions count? How to get instructions event for my ARMV7 Cortex-A9 by PMU?

Can anyone help?
Why I can't find the performance monitoring event for all Instructions count? How to get instructions event for my ARMV7 Cortex-A9 by PMU?

Can anyone help?
Number of performance monitoring units in ARM Cortex A-53 and A-9

Home many performance monitoring units (PMU) are in ARM Cortex A-53 and A-9? Is there a single PMU for each core or single PMU for the whole processor?