config MTK_PERF_COMMON tristate "MTK system performance common feature" help CONFIG_MTK_PERF_COMMON provides common entrypoint to support multiple the system performance features and it can easily extend. The trigger period is aligned to sched-tick. If you are not sure about whether to enable it or not, please set n. config MTK_PERF_TRACKER bool "MTK system performance index support" depends on MTK_PERF_COMMON help CONFIG_PERF_TRACKER define if system performance index should be built-in or not. It supports system related performance index via trace. If you are not sure about whether to enable it or not, please set n.