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kvm-all: add kvm_run_exit tracepoint

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

Signed-off-by: Kazuya Saito <saito.kazuya@jp.fujitsu.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Kazuya Saito 2013-03-29 13:27:52 +09:00 committed by Stefan Hajnoczi
parent 9c7757290c
commit b76ac80a5c
2 changed files with 3 additions and 0 deletions
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1
kvm-all.c
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@ -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");

2
trace-events
View File

@ -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"