On Wed, Oct 27, 2010 at 05:02:50PM +0800, Xiao Guangrong wrote:
> Use 'DECLARE_EVENT_CLASS' to cleanup async_pf tracepoints
> 
> Signed-off-by: Xiao Guangrong <[email protected]>
Nice

Acked-by: Gleb Natapov <[email protected]>

> ---
>  include/trace/events/kvm.h |   76 ++++++++++++++++++++-----------------------
>  1 files changed, 35 insertions(+), 41 deletions(-)
> 
> diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
> index 30063c6..7bec396 100644
> --- a/include/trace/events/kvm.h
> +++ b/include/trace/events/kvm.h
> @@ -186,59 +186,71 @@ TRACE_EVENT(kvm_age_page,
>  );
>  
>  #ifdef CONFIG_KVM_ASYNC_PF
> -TRACE_EVENT(
> -     kvm_try_async_get_page,
> +DECLARE_EVENT_CLASS(kvm_async_get_page_class,
> +
>       TP_PROTO(u64 gva, u64 gfn),
> +
>       TP_ARGS(gva, gfn),
>  
>       TP_STRUCT__entry(
> -             __field(u64, gva)
> +             __field(__u64, gva)
>               __field(u64, gfn)
> -             ),
> +     ),
>  
>       TP_fast_assign(
>               __entry->gva = gva;
>               __entry->gfn = gfn;
> -             ),
> +     ),
>  
>       TP_printk("gva = %#llx, gfn = %#llx", __entry->gva, __entry->gfn)
>  );
>  
> -TRACE_EVENT(
> -     kvm_async_pf_not_present,
> +DEFINE_EVENT(kvm_async_get_page_class, kvm_try_async_get_page,
> +
> +     TP_PROTO(u64 gva, u64 gfn),
> +
> +     TP_ARGS(gva, gfn)
> +);
> +
> +DEFINE_EVENT(kvm_async_get_page_class, kvm_async_pf_doublefault,
> +
> +     TP_PROTO(u64 gva, u64 gfn),
> +
> +     TP_ARGS(gva, gfn)
> +);
> +
> +DECLARE_EVENT_CLASS(kvm_async_pf_nopresent_ready,
> +
>       TP_PROTO(u64 token, u64 gva),
> +
>       TP_ARGS(token, gva),
>  
>       TP_STRUCT__entry(
>               __field(__u64, token)
>               __field(__u64, gva)
> -             ),
> +     ),
>  
>       TP_fast_assign(
>               __entry->token = token;
>               __entry->gva = gva;
> -             ),
> +     ),
> +
> +     TP_printk("token %#llx gva %#llx", __entry->token, __entry->gva)
>  
> -     TP_printk("token %#llx gva %#llx not present", __entry->token,
> -               __entry->gva)
>  );
>  
> -TRACE_EVENT(
> -     kvm_async_pf_ready,
> +DEFINE_EVENT(kvm_async_pf_nopresent_ready, kvm_async_pf_not_present,
> +
>       TP_PROTO(u64 token, u64 gva),
> -     TP_ARGS(token, gva),
>  
> -     TP_STRUCT__entry(
> -             __field(__u64, token)
> -             __field(__u64, gva)
> -             ),
> +     TP_ARGS(token, gva)
> +);
>  
> -     TP_fast_assign(
> -             __entry->token = token;
> -             __entry->gva = gva;
> -             ),
> +DEFINE_EVENT(kvm_async_pf_nopresent_ready, kvm_async_pf_ready,
> +
> +     TP_PROTO(u64 token, u64 gva),
>  
> -     TP_printk("token %#llx gva %#llx ready", __entry->token, __entry->gva)
> +     TP_ARGS(token, gva)
>  );
>  
>  TRACE_EVENT(
> @@ -262,24 +274,6 @@ TRACE_EVENT(
>                 __entry->address, __entry->pfn)
>  );
>  
> -TRACE_EVENT(
> -     kvm_async_pf_doublefault,
> -     TP_PROTO(u64 gva, u64 gfn),
> -     TP_ARGS(gva, gfn),
> -
> -     TP_STRUCT__entry(
> -             __field(u64, gva)
> -             __field(u64, gfn)
> -             ),
> -
> -     TP_fast_assign(
> -             __entry->gva = gva;
> -             __entry->gfn = gfn;
> -             ),
> -
> -     TP_printk("gva = %#llx, gfn = %#llx", __entry->gva, __entry->gfn)
> -);
> -
>  #endif
>  
>  #endif /* _TRACE_KVM_MAIN_H */
> -- 
> 1.7.0.4
> 
> --
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--
                        Gleb.
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