Re: [PATCH Linux-next] perf test: Fix test case perf trace BTF general tests

[Jan Polensky]

On Mon, Nov 17, 2025 at 01:43:59PM +0100, Thomas Richter wrote:
> The following test case fails on linux-next repo:
>
---8<--- snip ---8<---
>  #
>
> Signed-off-by: Thomas Richter <tmricht@xxxxxxxxxxxxx>
> ---
>  tools/perf/tests/shell/trace_btf_general.sh | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/tests/shell/trace_btf_general.sh b/tools/perf/tests/shell/trace_btf_general.sh
> index ef2da806be6b..9cd6180062d8 100755
> --- a/tools/perf/tests/shell/trace_btf_general.sh
> +++ b/tools/perf/tests/shell/trace_btf_general.sh
> @@ -39,7 +39,7 @@ trace_test_buffer() {
>    echo "Testing perf trace's buffer augmentation"
>    # echo will insert a newline (\10) at the end of the buffer
>    output="$(perf trace --sort-events -e write --max-events=1 -- echo "${buffer}" 2>&1)"
> -  if ! echo "$output" | grep -q -E "^echo/[0-9]+ write\([0-9]+, ${buffer}.*, [0-9]+\) += +[0-9]+$"
> +  if ! echo "$output" | grep -qE "^echo/[0-9]+ write\([0-9]+, ${buffer}\\\\10, [0-9]+(, ..)?\) += +[0-9]+$"
>    then
>      printf "Buffer augmentation test failed, output:\n$output\n"
>      err=1
---------------8<---------------
Tested-by: Jan Polensky <japo@xxxxxxxxxxxxx>
Reviewed-by: Jan Polensky <japo@xxxxxxxxxxxxx>

Thank you Thomas

Nit: maybe `(, \"\")?` instead of `(, ..)?` for clarity?