Re: [PATCH 6/6] selftests/sgx: Add a bpftrace script for tracking allocation errors

[Reinette Chatre]

Hi Jarkko,

On 8/29/2022 8:12 PM, Jarkko Sakkinen wrote:
> Signed-off-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
> ---
>  tools/testing/selftests/sgx/alloc-error.bt | 7 +++++++
>  1 file changed, 7 insertions(+)
>  create mode 100644 tools/testing/selftests/sgx/alloc-error.bt
> 
> diff --git a/tools/testing/selftests/sgx/alloc-error.bt b/tools/testing/selftests/sgx/alloc-error.bt
> new file mode 100644
> index 000000000000..9268d50dea29
> --- /dev/null
> +++ b/tools/testing/selftests/sgx/alloc-error.bt
> @@ -0,0 +1,7 @@
> +kr:sgx_alloc_epc_page /(uint64)retval >= (uint64)(-4095)/ {
> +		 printf("sgx_alloc_epc_page: retval=%d\n", (int64)retval);
> +}
> +
> +kr:sgx_encl_page_alloc /(uint64)retval >= (uint64)(-4095)/ {
> +		 printf("sgx_encl_page_alloc: retval=%d\n", (int64)retval);
> +}


Could there be a snippet of comments in this new file to guide users
on how to use this script?

Reinette