"L2"/"L3" conversion to integer is embedded into get_cache_size() which prevents reuse.
Create a helper for the cache string to integer conversion to make it reusable.
Signed-off-by: Ilpo Järvinen ilpo.jarvinen@linux.intel.com Reviewed-by: Reinette Chatre reinette.chatre@intel.com --- tools/testing/selftests/resctrl/resctrlfs.c | 28 +++++++++++++++------ 1 file changed, 20 insertions(+), 8 deletions(-)
diff --git a/tools/testing/selftests/resctrl/resctrlfs.c b/tools/testing/selftests/resctrl/resctrlfs.c index fed6741edc5f..eab928c46f98 100644 --- a/tools/testing/selftests/resctrl/resctrlfs.c +++ b/tools/testing/selftests/resctrl/resctrlfs.c @@ -94,6 +94,23 @@ int umount_resctrlfs(void) return 0; }
+/* + * get_cache_level - Convert cache level from string to integer + * @cache_type: Cache level as string + * + * Return: cache level as integer or -1 if @cache_type is invalid. + */ +static int get_cache_level(const char *cache_type) +{ + if (!strcmp(cache_type, "L3")) + return 3; + if (!strcmp(cache_type, "L2")) + return 2; + + ksft_print_msg("Invalid cache level\n"); + return -1; +} + /* * get_resource_id - Get socket number/l3 id for a specified CPU * @cpu_no: CPU number @@ -144,14 +161,9 @@ int get_cache_size(int cpu_no, const char *cache_type, unsigned long *cache_size int length, i, cache_num; FILE *fp;
- if (!strcmp(cache_type, "L3")) { - cache_num = 3; - } else if (!strcmp(cache_type, "L2")) { - cache_num = 2; - } else { - ksft_print_msg("Invalid cache level\n"); - return -1; - } + cache_num = get_cache_level(cache_type); + if (cache_num < 0) + return cache_num;
sprintf(cache_path, "/sys/bus/cpu/devices/cpu%d/cache/index%d/size", cpu_no, cache_num);