initial buildroot for linux 5.15

package/linux-tools/Config.in

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+menu "Linux Kernel Tools"
+
+# No prompt, this is sourced by linux/Config.in as this
+# is no real package and really belongs to the kernel.
+config BR2_PACKAGE_LINUX_TOOLS
+	bool
+
+config BR2_PACKAGE_LINUX_TOOLS_BPFTOOL
+	bool "bpftool"
+	depends on !BR2_nios2 # binutils
+	depends on BR2_USE_WCHAR # binutils, elfutils
+	depends on !BR2_STATIC_LIBS # elfutils
+	depends on BR2_TOOLCHAIN_HAS_THREADS # elfutils
+	depends on BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_GLIBC # elfutils
+	select BR2_PACKAGE_LINUX_TOOLS
+	select BR2_PACKAGE_BINUTILS
+	select BR2_PACKAGE_ELFUTILS
+	help
+	  bpftool is a tool for for inspection and simple manipulation
+	  of eBPF programs and maps.
+
+	  These tools are available only from kernel version 4.15.
+
+comment "bpftool needs a uClibc or glibc toolchain w/ wchar, dynamic library, threads"
+	depends on !BR2_nios2
+	depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS \
+		|| !BR2_TOOLCHAIN_HAS_THREADS \
+		|| !(BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_GLIBC)
+
+config BR2_PACKAGE_LINUX_TOOLS_CPUPOWER
+	bool "cpupower"
+	select BR2_PACKAGE_LINUX_TOOLS
+	select BR2_PACKAGE_PCIUTILS
+	help
+	  cpupower is a collection of tools to examine and tune power
+	  saving related features of your processor.
+
+config BR2_PACKAGE_LINUX_TOOLS_GPIO
+	bool "gpio"
+	select BR2_PACKAGE_LINUX_TOOLS
+	help
+	  gpio is a collection of tools to get information about,
+	  control and monitor gpios present on system.
+
+	  These tools use new gpio ABI which will deprecate sysfs gpio
+	  interface in the future.
+
+	  These tools are available only from kernel version 4.8.
+
+config BR2_PACKAGE_LINUX_TOOLS_IIO
+	bool "iio"
+	select BR2_PACKAGE_LINUX_TOOLS
+	help
+	  iio is a collection of tools to get information about,
+	  control and monitor iio devices present on system.
+
+	  These tools are available only from kernel version 4.7.
+
+config BR2_PACKAGE_LINUX_TOOLS_PCI
+	bool "pci"
+	select BR2_PACKAGE_LINUX_TOOLS
+	help
+	  pcitest is a tool for testing capabilities related to a
+	  PCI Endpoint (only works with specific Endpoints).
+
+	  These tools are available only from kernel version 4.20.
+
+config BR2_PACKAGE_LINUX_TOOLS_PERF
+	bool "perf"
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
+	select BR2_PACKAGE_LINUX_TOOLS
+	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.
+
+	  Your kernel must have CONFIG_PERF_EVENTS enabled to use perf
+	  profiling. Buildroot automatically enables this in the kernel
+	  configuration.
+
+	  https://perf.wiki.kernel.org/
+
+if BR2_PACKAGE_LINUX_TOOLS_PERF
+
+config BR2_PACKAGE_LINUX_TOOLS_PERF_TUI
+	bool "enable perf TUI"
+	depends on BR2_USE_MMU # slang
+	select BR2_PACKAGE_SLANG
+	help
+	  Enable the TUI interface for perf which requires a TTY and
+	  enables zooming into DSOs and threads as well as other
+	  features.
+
+endif
+
+config BR2_PACKAGE_LINUX_TOOLS_SELFTESTS
+	bool"selftests"
+	depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS # bash
+	depends on BR2_USE_MMU  # bash
+	depends on !BR2_STATIC_LIBS
+	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14 # util-linux schedutils
+	select BR2_PACKAGE_LINUX_TOOLS
+	select BR2_PACKAGE_BASH # runtime
+	select BR2_PACKAGE_NCURSES
+	select BR2_PACKAGE_NCURSES_TARGET_PROGS # runtime (tput)
+	select BR2_PACKAGE_KMOD
+	select BR2_PACKAGE_KMOD_TOOLS # runtime (modprobe -n)
+	select BR2_PACKAGE_POPT
+	select BR2_PACKAGE_LIBCAP_NG
+	select BR2_PACKAGE_UTIL_LINUX
+	select BR2_PACKAGE_UTIL_LINUX_SCHEDUTILS # runtime (taskset)
+	help
+	  Build and install (to /usr/lib/kselftests) kernel selftests.
+
+	  Use of this option implies you know the process of using and
+	  compiling the kernel selftests. The Makefile to build and
+	  install these is very noisy and may appear to cause your
+	  build to fail for strange reasons.
+
+	  This is very much a use at your risk option and may not work
+	  for every setup or every architecture.
+
+comment "selftests needs BR2_PACKAGE_BUSYBOX_SHOW_OTHERS and a toolchain w/ dynamic library and headers >= 3.14"
+	depends on BR2_USE_MMU
+	depends on !BR2_PACKAGE_BUSYBOX_SHOW_OTHERS || \
+		BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14
+
+config BR2_PACKAGE_LINUX_TOOLS_TMON
+	bool "tmon"
+	select BR2_PACKAGE_LINUX_TOOLS
+	select BR2_PACKAGE_NCURSES
+	help
+	  tmon is a terminal-based tool (using curses) that allows the
+	  user to access thermal information about the system.
+
+config BR2_PACKAGE_LINUX_TOOLS_HV
+	bool "hv"
+	depends on BR2_i386 || BR2_x86_64
+	select BR2_PACKAGE_LINUX_TOOLS
+	select BR2_PACKAGE_LINUX_TOOLS_HV_KVP_DAEMON if !BR2_PACKAGE_LINUX_TOOLS_HV_HAS_ONE
+	help
+	  Microsoft HyperV integration services
+
+	  Relevant kernel configuration options: CONFIG_HYPERV,
+	  CONFIG_HYPERV_UTILS.
+
+if BR2_PACKAGE_LINUX_TOOLS_HV
+
+config BR2_PACKAGE_LINUX_TOOLS_HV_HAS_ONE
+	bool
+
+config BR2_PACKAGE_LINUX_TOOLS_HV_KVP_DAEMON
+	bool "hypervkvpd (hv_kvp_daemon)"
+	help
+	  HyperV uses hypervkvpd (Key/Value Pair daemon) to retrieve
+	  status information from your virtualized guest OS
+
+config BR2_PACKAGE_LINUX_TOOLS_HV_FCOPY_DAEMON
+	bool "hypervfcopyd (hv_fcopy_daemon)"
+	select BR2_PACKAGE_LINUX_TOOLS_HV_HAS_ONE
+	help
+	  HyperV uses hypervfcopyd (File Copy daemon) to easily transfer
+	  files to and from your virtualized guest OS
+
+config BR2_PACKAGE_LINUX_TOOLS_HV_VSS_DAEMON
+	bool "hypervvssd (hv_vss_daemon)"
+	select BR2_PACKAGE_LINUX_TOOLS_HV_HAS_ONE
+	help
+	  HyperV uses hypervvssd (Volume Snapshot Service daemon) to
+	  freeze your filesystems during snapshots and backups
+
+endif # BR2_PACKAGE_LINUX_TOOLS_HV
+
+endmenu