Commit b76ac80a authored by Kazuya Saito's avatar Kazuya Saito Committed by Stefan Hajnoczi
Browse files

kvm-all: add kvm_run_exit tracepoint 



This patch enable us to know exit reason of KVM_RUN. It will help us
know where the trouble is caused.

Signed-off-by: default avatarKazuya Saito <saito.kazuya@jp.fujitsu.com>
Reviewed-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
parent 9c775729

kvm-all.c

+1 −0
Original line number Diff line number Diff line
@@ -1627,6 +1627,7 @@ int kvm_cpu_exec(CPUArchState *env) 
            abort();

        }



        trace_kvm_run_exit(cpu->cpu_index, run->exit_reason);

        switch (run->exit_reason) {

        case KVM_EXIT_IO:

            DPRINTF("handle_io\n");

trace-events

+2 −0
Original line number Diff line number Diff line
@@ -1158,3 +1158,5 @@ migrate_set_state(int new_state) "new state %d" 
kvm_ioctl(int type, void *arg) "type %d, arg %p"

kvm_vm_ioctl(int type, void *arg) "type %d, arg %p"

kvm_vcpu_ioctl(int cpu_index, int type, void *arg) "cpu_index %d, type %d, arg %p"

kvm_run_exit(int cpu_index, uint32_t reason) "cpu_index %d, reason %d"