Interrupt Frequency Limit of M4 core and A7 core，where can i find its infomation? and is there some Testing Method？

hi,I use SAI interface for reading data  by M4 core in stm32mp157Only  in debug M4 mode(M4 is running and A7 isn't running),the read can success.When A7 core is running, the read will be failed(A7 is running ,but SAI is used by M4). when a7 is runnin...