Re: [Qemu-devel] [PATCH 3/5] kvm-all: add kvm_run_exit tracepoint

[Paolo Bonzini]

Il 22/03/2013 09:28, Kazuya Saito ha scritto:
> 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 <address@hidden>
> ---
>  kvm-all.c    |    1 +
>  trace-events |    1 +
>  2 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/kvm-all.c b/kvm-all.c
> index da15623..29fca13 100644
> --- a/kvm-all.c
> +++ b/kvm-all.c
> @@ -1576,6 +1576,7 @@ int kvm_cpu_exec(CPUArchState *env)
>              abort();
>          }
> 
> +        trace_kvm_run_exit(run->exit_reason);
>          switch (run->exit_reason) {
>          case KVM_EXIT_IO:
>              DPRINTF("handle_io\n");
> diff --git a/trace-events b/trace-events
> index 1af7060..c691ce4 100644
> --- a/trace-events
> +++ b/trace-events
> @@ -1101,3 +1101,4 @@ migrate_set_state(int new_state) "new state %d"
>  kvm_ioctl(int type) "type %d"
>  kvm_vm_ioctl(int type) "type %d"
>  kvm_vcpu_ioctl(int type) "type %d"
> +kvm_run_exit(uint32_t reason) "reason %d"
> 

Please add the CPU number here, too.

Paolo