On 18/10/2017 19:49, Andi Kleen wrote: > > The ioctl appears to be the PIC timer > > - 6.36% __GI___ioctl ▒ > kvm_vm_ioctl ▒ > kvm_set_irq ▒ > kvm_pic_set_irq PIC is the interrupt controller, why do you say the timer? What is the QEMU side of the call stack? > - 2.83% libglib-2.0.so.0.5200.3 [.] g_main_context_check ▒ > - 2.81% g_main_context_check ▒ > - 2.60% main_loop_wait ▒ > main ▒ > __libc_start_main ▒ > _start > > And some AIO is going on, not sure what triggers that. > > 1.96% aio_ctx_check ▒ "check" is just "do I have something to do?" so it runs on every iteration. Paolo
