Re: [PATCH 17/24] selftests/resctrl: Create struct for input parameter

From: Reinette Chatre
Date: Thu Nov 02 2023 - 13:52:29 EST


Hi Ilpo,

On 10/24/2023 2:26 AM, Ilpo Järvinen wrote:

...

> diff --git a/tools/testing/selftests/resctrl/mba_test.c b/tools/testing/selftests/resctrl/mba_test.c
> index d3bf4368341e..5157a3f74fee 100644
> --- a/tools/testing/selftests/resctrl/mba_test.c
> +++ b/tools/testing/selftests/resctrl/mba_test.c
> @@ -141,13 +141,13 @@ void mba_test_cleanup(void)
> remove(RESULT_FILE_NAME);
> }
>
> -int mba_schemata_change(int cpu_no, const char * const *benchmark_cmd)
> +int mba_schemata_change(const struct user_params *uparams)
> {
> struct resctrl_val_param param = {
> .resctrl_val = MBA_STR,
> .ctrlgrp = "c1",
> .mongrp = "m1",
> - .cpu_no = cpu_no,
> + .cpu_no = uparams->cpu,
> .filename = RESULT_FILE_NAME,
> .bw_report = "reads",
> .setup = mba_setup
> @@ -156,7 +156,7 @@ int mba_schemata_change(int cpu_no, const char * const *benchmark_cmd)
>
> remove(RESULT_FILE_NAME);
>
> - ret = resctrl_val(benchmark_cmd, &param);
> + ret = resctrl_val(uparams->benchmark_cmd, &param);
> if (ret)
> goto out;
>

How about a new member of struct resctrl_val_param that points to
uparams? That would remove cpu_no from resctrl_val_param
and have everything available when a test needs to run ... not copying
some user parameters into struct resctrl_val_param and passing
others as parameters.

Reinette