[PATCH v4] dmadev: add tracepoints

[fengchengwen]

Hi Thomas,

  This version alaready fix asan smoke fail, could you help merge it ?

Thanks

On 2023/5/26 16:42, Chengwen Feng wrote:
> Add tracepoints at important APIs for tracing support.
> 
> Signed-off-by: Chengwen Feng <fengchengwen at huawei.com>
> Acked-by: Morten Brørup <mb at smartsharesystems.com>
> 
> ---
> v4: Fix asan smoke fail.
> v3: Address Morten's comment:
>     Move stats_get and vchan_status and to trace_fp.h.
> v2: Address Morten's comment:
>     Make stats_get as fast-path trace-points.
>     Place fast-path trace-point functions behind in version.map.
> 

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