Category Archives: Debugger
qemu-kvm is much slower than qemu for single-step
I can do 1500 single-steps per second in qemu. But i can only do 148 in qemu-kvm. I test it by: 1) create a debug server in qemu 2) send huge amount of “s” command from a java program, every “s” command will perform one single step action in qemu. 2012/11/28
fail to single step qemu
Hi all I created a simple debug server on qemu, it receives command from tcp, but when i try to single step qemu, it fails, it will keep running rather than stop in the next instruction. I have traced the code a little bit, for gdb, when gdb do single step, the process will throw […] 2012/11/21