Hi Maciej,
On 2/9/2024 6:01 AM, Maciej Wieczor-Retman wrote:
...
> diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h
> index 5116ea082d03..f434a6543b4f 100644
> --- a/tools/testing/selftests/resctrl/resctrl.h
> +++ b/tools/testing/selftests/resctrl/resctrl.h
> @@ -136,7 +136,9 @@ int get_domain_id(const char *resource, int cpu_no, int *domain_id);
> int mount_resctrlfs(void);
> int umount_resctrlfs(void);
> int validate_bw_report_request(char *bw_report);
> -bool validate_resctrl_feature_request(const char *resource, const char *feature);
> +bool resctrl_resource_exists(const char *resource);
> +bool resctrl_mon_feature_exists(const char *resource, const char *feature);
> +bool resource_info_file_exists(const char *resource, const char *file);
Portion of next patch sneaked in here.
> bool test_resource_feature_check(const struct resctrl_test *test);
> char *fgrep(FILE *inf, const char *str);
> int taskset_benchmark(pid_t bm_pid, int cpu_no, cpu_set_t *old_affinity);
> diff --git a/tools/testing/selftests/resctrl/resctrlfs.c b/tools/testing/selftests/resctrl/resctrlfs.c
> index 8a183c73bc23..af4f800ab23d 100644
> --- a/tools/testing/selftests/resctrl/resctrlfs.c
> +++ b/tools/testing/selftests/resctrl/resctrlfs.c
> @@ -708,20 +708,16 @@ char *fgrep(FILE *inf, const char *str)
> }
>
> /*
> - * validate_resctrl_feature_request - Check if requested feature is valid.
> - * @resource: Required resource (e.g., MB, L3, L2, L3_MON, etc.)
> - * @feature: Required monitor feature (in mon_features file). Can only be
> - * set for L3_MON. Must be NULL for all other resources.
> + * resctrl_resource_exists - Check if a resource is supported.
> + * @resource: Resctrl resource (e.g., MB, L3, L2, L3_MON, etc.)
> *
> - * Return: True if the resource/feature is supported, else false. False is
> + * Return: True if the resource is supported, else false. False is
> * also returned if resctrl FS is not mounted.
> */
> -bool validate_resctrl_feature_request(const char *resource, const char *feature)
> +bool resctrl_resource_exists(const char *resource)
> {
> char res_path[PATH_MAX];
> struct stat statbuf;
> - char *res;
> - FILE *inf;
> int ret;
>
> if (!resource)
> @@ -736,8 +732,25 @@ bool validate_resctrl_feature_request(const char *resource, const char *feature)
> if (stat(res_path, &statbuf))
> return false;
>
> + return true;
> +}
> +
> +/*
> + * resctrl_mon_feature_exists - Check if requested monitoring feature is valid.
> + * @resource: Resource that uses the mon_features file. Currently only L3_MON
> + * is valid.
> + * @feature: Required monitor feature (in mon_features file).
> + *
> + * Return: True if the feature is supported, else false.
> + */
> +bool resctrl_mon_feature_exists(const char *resource, const char *feature)
> +{
> + char res_path[PATH_MAX];
> + char *res;
> + FILE *inf;
> +
> if (!feature)
Now that resource is a new parameter should it be checked also? It is not obvious
why only one parameter is checked.
Reinette
