* Yannick Brosseau ([email protected]) wrote:
> Signed-off-by: Yannick Brosseau <[email protected]>
> ---
>  instrumentation/events/lttng-module/printk.h |   26 
> ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
> diff --git a/instrumentation/events/lttng-module/printk.h 
> b/instrumentation/events/lttng-module/printk.h
> index 4c744f9..16f5716 100644
> --- a/instrumentation/events/lttng-module/printk.h
> +++ b/instrumentation/events/lttng-module/printk.h
> @@ -9,6 +9,31 @@
>  
>  #define MSG_TRACE_MAX_LEN    2048
>  
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
> +TRACE_EVENT(console,
> +        TP_PROTO(const char *text, size_t len),
> +
> +        TP_ARGS(text, len),
> +
> +        TP_STRUCT__entry(
> +                __dynamic_array_text(char, msg, min_t(unsigned, len, 
> MSG_TRACE_MAX_LEN))
> +        ),
> +
> +        TP_fast_assign(
> +                tp_memcpy_dyn(msg,
> +                        ({
> +                                char lmsg[MSG_TRACE_MAX_LEN + 1];
> +                             unsigned start = 0;

tab alignment issues ?

Thanks,

Mathieu

> +                                if (len > MSG_TRACE_MAX_LEN) {
> +                                        start = len - MSG_TRACE_MAX_LEN;
> +                                     len = MSG_TRACE_MAX_LEN;
> +                             }
> +                                memcpy(lmsg, text + start, len);
> +                                lmsg[len] = 0;
> +                                lmsg;
> +                        })
> +                )
> +#else
>  TRACE_EVENT_CONDITION(console,
>       TP_PROTO(const char *log_buf, unsigned start, unsigned end,
>                unsigned log_buf_len),
> @@ -54,6 +79,7 @@ TRACE_EVENT_CONDITION(console,
>                               lmsg;
>                       })
>               )
> +#endif
>       ),
>  
>       TP_printk("%s", __get_str(msg))
> -- 
> 1.7.10.4
> 
> 
> _______________________________________________
> lttng-dev mailing list
> [email protected]
> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com

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