[PATCH] dmadev: add tracepoints

[Bruce Richardson]

On Wed, Apr 12, 2023 at 02:48:08AM +0000, Chengwen Feng wrote:
> Add tracepoints at important APIs for tracing support.
> 
> Signed-off-by: Chengwen Feng <fengchengwen at huawei.com>
> ---
>  lib/dmadev/meson.build               |   2 +-
>  lib/dmadev/rte_dmadev.c              |  39 ++++++--
>  lib/dmadev/rte_dmadev.h              |  56 ++++++++---
>  lib/dmadev/rte_dmadev_trace.h        | 133 +++++++++++++++++++++++++++
>  lib/dmadev/rte_dmadev_trace_fp.h     | 113 +++++++++++++++++++++++
>  lib/dmadev/rte_dmadev_trace_points.c |  59 ++++++++++++
>  lib/dmadev/version.map               |  10 ++
>  7 files changed, 391 insertions(+), 21 deletions(-)
>  create mode 100644 lib/dmadev/rte_dmadev_trace.h
>  create mode 100644 lib/dmadev/rte_dmadev_trace_fp.h
>  create mode 100644 lib/dmadev/rte_dmadev_trace_points.c
> 
For completeness, do you have any numbers for the performance impact (if
any) to the DMA dataplane APIs with this tracing added?

/Bruce