buildroot

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