Open zdyj3170101136 opened 4 months ago
I understand that perf record -e cpu -F 100 will trigger the application to switch from user mode to kernel mode every time the application consumes 1ms of cpu.
And use fp to unwind traceback, this cost would be ns.
Please ask if what I said is correct？
I understand that perf record -e cpu -F 100 will trigger the application to switch from user mode to kernel mode every time the application consumes 1ms of cpu.
And use fp to unwind traceback, this cost would be ns.
Please ask if what I said is correct？