[PATCH] trace: add support for "trace clear"

[Tom Rini]

On Fri, Dec 06, 2024 at 11:29:16AM +0100, Jerome Forissier wrote:

> Implement a "trace clear" command to delete the currently accumulated
> trace data. This comes handy when someone needs to trace a particular
> command. For example:
> 
>   => trace clear; dhcp; trace pause
>   => trace stats
>   => trace calls 0x02100000 0x10000000
>   => tftpput $profbase $profoffset 192.168.0.16:trace.bin
> 
> Signed-off-by: Jerome Forissier <jerome.forissier at linaro.org>
> ---
>  cmd/trace.c     | 13 ++++++++++++-
>  include/trace.h |  2 ++
>  lib/trace.c     | 47 +++++++++++++++++++++++++++++++++--------------
>  3 files changed, 47 insertions(+), 15 deletions(-)

We have trace tests already, can they easily be expanded to cover this?

-- 
Tom
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