config BR2_PACKAGE_BLKTRACE
	bool "blktrace"
	depends on BR2_PACKAGE_LIBAIO_ARCH_SUPPORTS
	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL # clock_nanosleep()
	depends on BR2_USE_MMU # system()
	select BR2_PACKAGE_LIBAIO
	help
	  blktrace is a block layer IO tracing mechanism which provides
	  detailed information about request queue operations
	  up to user space.

	  http://git.kernel.dk/?p=blktrace.git;a=summary

comment "blktrace needs a toolchain w/ NPTL"
	depends on BR2_USE_MMU
	depends on BR2_PACKAGE_LIBAIO_ARCH_SUPPORTS
	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL