menu "Linux Kernel Tools" config BR2_LINUX_KERNEL_TOOL_CPUPOWER bool "cpupower" depends on !BR2_bfin # pciutils select BR2_PACKAGE_PCIUTILS help cpupower is a collection of tools to examine and tune power saving related features of your processor. config BR2_LINUX_KERNEL_TOOL_PERF bool "perf" help perf (sometimes "Perf Events" or perf tools, originally "Performance Counters for Linux") - is a performance analyzing tool in Linux, available from kernel version 2.6.31. User-space controlling utility, called 'perf' has git-like interface with subcommands. It is capable of statistical profiling of entire system (both kernel and user code), single CPU or severals threads. This will build and install the userspace 'perf' command. It is up to the user to ensure that the kernel configuration has all the suitable options enabled to allow a proper operation of 'perf'. https://perf.wiki.kernel.org/ endmenu