> Support any expression as a blob length by using an intermediate variable in
> the trace point emitter itself.
> This also avoids any side effect on the passed variable.
>
> On the "register" side, prefix the length variable in the trace metadata with
> the name of the emitted argument.
>
> With this, we can update ethdev traces and avoid intermediate variables.
>
> Signed-off-by: David Marchand <david.march...@redhat.com>
> ---
> Changes since v2:
> - fixed length field in CTF metadata,
>
> Changes since v1:
> - removed code relying on arguments in "registering"
> rte_trace_point_emit_blob implementation (see patch 3),
> - moved build check in non registering __rte_trace_point_emit,
>
> ---
> lib/eal/include/rte_trace_point.h | 12 ++++++----
> lib/eal/include/rte_trace_point_register.h | 6 ++++-
> lib/ethdev/ethdev_trace.h | 27 ++++++----------------
> 3 files changed, 19 insertions(+), 26 deletions(-)
>
> 2.48.1
Acked-by: Sunil Kumar Kori <sk...@marvell.com>
