package/oprofile/Config.in

   1 # memory barrier function implemented only for some architectures
   2 config BR2_PACKAGE_OPROFILE_ARCH_SUPPORTS
   3         bool
   4         default y
   5         depends on BR2_arceb || BR2_arcle || BR2_arm || BR2_armeb || \
   6                 BR2_aarch64 || BR2_aarch64_be || BR2_i386 || BR2_mips || \
   7                 BR2_mipsel || BR2_mips64 || BR2_mips64el || BR2_powerpc || \
   8                 BR2_powerpc64 || BR2_powerpc64le || BR2_sh || \
   9                 BR2_sparc || BR2_sparc64 || BR2_x86_64
  10
  11 config BR2_PACKAGE_OPROFILE_NEEDS_LIBPFM4
  12         bool
  13         default y if BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le
  14
  15 config BR2_PACKAGE_OPROFILE
  16         bool "oprofile"
  17         depends on BR2_USE_MMU # fork()
  18         select BR2_PACKAGE_POPT
  19         select BR2_PACKAGE_BINUTILS
  20         select BR2_PACKAGE_LIBPFM4 if BR2_PACKAGE_OPROFILE_NEEDS_LIBPFM4
  21         depends on BR2_INSTALL_LIBSTDCPP
  22         depends on BR2_USE_WCHAR # binutils
  23         depends on BR2_PACKAGE_OPROFILE_ARCH_SUPPORTS
  24         # libpfm4 is needed on PowerPC, and requires thread support
  25         depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL || !BR2_PACKAGE_OPROFILE_NEEDS_LIBPFM4
  26         help
  27           OProfile is a system-wide profiler for Linux systems,
  28           capable of profiling all running code at low overhead.
  29           OProfile is released under the GNU GPL.
  30
  31           It consists of a kernel driver and a daemon for collecting
  32           sample data, and several post-profiling tools for turning
  33           data into information.
  34
  35           OProfile leverages the hardware performance counters of the
  36           CPU to enable profiling of a wide variety of interesting
  37           statistics, which can also be used for basic time-spent
  38           profiling. All code is profiled: hardware and software
  39           interrupt handlers, kernel modules, the kernel, shared
  40           libraries, and applications.
  41
  42 comment "oprofile needs a toolchain w/ C++, wchar"
  43         depends on BR2_USE_MMU
  44         depends on BR2_PACKAGE_OPROFILE_ARCH_SUPPORTS
  45         depends on !BR2_INSTALL_LIBSTDCPP || !BR2_USE_WCHAR
  46
  47 comment "oprofile needs a toolchain w/ NPTL on PowerPC(64)"
  48         depends on BR2_USE_MMU && BR2_PACKAGE_OPROFILE_NEEDS_LIBPFM4
  49         depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL