ARM PMU access DRAM Event

Hi, accorting to the reference manual of cortex A7 https://static.docs.arm.com/ddi0464/f/DDI0464.pdf pagina 243, what event number i neet to select to count all the DRAM access (read / write)?
where can I find the detailed explanation of ARM PMU events?

Two questions: 1. Where can I find the detailed explanation of ARM PMU events? 2. How to know the stall cycles for e.g. icache miss etc.? Thanks.
PMU (Performance monitor Unit)

Hi, How can I use PMU(Performance Monitor Unit) in ARM11 to calculate execution clock cycles of an assembly code. I am using raspberry pi Model B. I am programming it in assembly language (running assembly...
How to use the performance monitor of Cortex-A9?

Hello experts, I feel I am an amateur. I tried to work the performance monitor of Cortex-A9 but it did not work. The followings are my codes. Please tell me what was wrong. mov r3, #0 ...
Is ARMv7-M3 thumb instructions compatible to ARMv7-A thumb?

Hello guys, I am trying to verify some features of ARMv7-M3 in a software simulator platform for ARM. But this simulator only support ARMv7-A ISA. Is ARMv7-M3 instructions compatible to ARMv7-A, especially...