| # SPDX-License-Identifier: GPL-2.0 | 
 | # Some of the tools (perf) use same make variables | 
 | # as in kernel build. | 
 | export srctree= | 
 | export objtree= | 
 |  | 
 | include scripts/Makefile.include | 
 |  | 
 | help: | 
 | 	@echo 'Possible targets:' | 
 | 	@echo '' | 
 | 	@echo '  acpi                   - ACPI tools' | 
 | 	@echo '  bpf                    - misc BPF tools' | 
 | 	@echo '  cgroup                 - cgroup tools' | 
 | 	@echo '  cpupower               - a tool for all things x86 CPU power' | 
 | 	@echo '  debugging              - tools for debugging' | 
 | 	@echo '  firewire               - the userspace part of nosy, an IEEE-1394 traffic sniffer' | 
 | 	@echo '  firmware               - Firmware tools' | 
 | 	@echo '  freefall               - laptop accelerometer program for disk protection' | 
 | 	@echo '  gpio                   - GPIO tools' | 
 | 	@echo '  hv                     - tools used when in Hyper-V clients' | 
 | 	@echo '  iio                    - IIO tools' | 
 | 	@echo '  intel-speed-select     - Intel Speed Select tool' | 
 | 	@echo '  kvm_stat               - top-like utility for displaying kvm statistics' | 
 | 	@echo '  leds                   - LEDs  tools' | 
 | 	@echo '  liblockdep             - user-space wrapper for kernel locking-validator' | 
 | 	@echo '  objtool                - an ELF object analysis tool' | 
 | 	@echo '  pci                    - PCI tools' | 
 | 	@echo '  perf                   - Linux performance measurement and analysis tool' | 
 | 	@echo '  selftests              - various kernel selftests' | 
 | 	@echo '  spi                    - spi tools' | 
 | 	@echo '  tmon                   - thermal monitoring and tuning tool' | 
 | 	@echo '  turbostat              - Intel CPU idle stats and freq reporting tool' | 
 | 	@echo '  usb                    - USB testing tools' | 
 | 	@echo '  virtio                 - vhost test module' | 
 | 	@echo '  vm                     - misc vm tools' | 
 | 	@echo '  wmi			- WMI interface examples' | 
 | 	@echo '  x86_energy_perf_policy - Intel energy policy tool' | 
 | 	@echo '' | 
 | 	@echo 'You can do:' | 
 | 	@echo ' $$ make -C tools/ <tool>_install' | 
 | 	@echo '' | 
 | 	@echo '  from the kernel command line to build and install one of' | 
 | 	@echo '  the tools above' | 
 | 	@echo '' | 
 | 	@echo '  $$ make tools/all' | 
 | 	@echo '' | 
 | 	@echo '  builds all tools.' | 
 | 	@echo '' | 
 | 	@echo '  $$ make tools/install' | 
 | 	@echo '' | 
 | 	@echo '  installs all tools.' | 
 | 	@echo '' | 
 | 	@echo 'Cleaning targets:' | 
 | 	@echo '' | 
 | 	@echo '  all of the above with the "_clean" string appended cleans' | 
 | 	@echo '    the respective build directory.' | 
 | 	@echo '  clean: a summary clean target to clean _all_ folders' | 
 |  | 
 | acpi: FORCE | 
 | 	$(call descend,power/$@) | 
 |  | 
 | cpupower: FORCE | 
 | 	$(call descend,power/$@) | 
 |  | 
 | cgroup firewire hv guest spi usb virtio vm bpf iio gpio objtool leds wmi pci firmware debugging: FORCE | 
 | 	$(call descend,$@) | 
 |  | 
 | liblockdep: FORCE | 
 | 	$(call descend,lib/lockdep) | 
 |  | 
 | libapi: FORCE | 
 | 	$(call descend,lib/api) | 
 |  | 
 | # The perf build does not follow the descend function setup, | 
 | # invoking it via it's own make rule. | 
 | PERF_O   = $(if $(O),$(O)/tools/perf,) | 
 |  | 
 | perf: FORCE | 
 | 	$(Q)mkdir -p $(PERF_O) . | 
 | 	$(Q)$(MAKE) --no-print-directory -C perf O=$(PERF_O) subdir= | 
 |  | 
 | selftests: FORCE | 
 | 	$(call descend,testing/$@) | 
 |  | 
 | turbostat x86_energy_perf_policy intel-speed-select: FORCE | 
 | 	$(call descend,power/x86/$@) | 
 |  | 
 | tmon: FORCE | 
 | 	$(call descend,thermal/$@) | 
 |  | 
 | freefall: FORCE | 
 | 	$(call descend,laptop/$@) | 
 |  | 
 | kvm_stat: FORCE | 
 | 	$(call descend,kvm/$@) | 
 |  | 
 | all: acpi cgroup cpupower gpio hv firewire liblockdep \ | 
 | 		perf selftests spi turbostat usb \ | 
 | 		virtio vm bpf x86_energy_perf_policy \ | 
 | 		tmon freefall iio objtool kvm_stat wmi \ | 
 | 		pci debugging | 
 |  | 
 | acpi_install: | 
 | 	$(call descend,power/$(@:_install=),install) | 
 |  | 
 | cpupower_install: | 
 | 	$(call descend,power/$(@:_install=),install) | 
 |  | 
 | cgroup_install firewire_install gpio_install hv_install iio_install perf_install spi_install usb_install virtio_install vm_install bpf_install objtool_install wmi_install pci_install debugging_install: | 
 | 	$(call descend,$(@:_install=),install) | 
 |  | 
 | liblockdep_install: | 
 | 	$(call descend,lib/lockdep,install) | 
 |  | 
 | selftests_install: | 
 | 	$(call descend,testing/$(@:_install=),install) | 
 |  | 
 | turbostat_install x86_energy_perf_policy_install intel-speed-select_install: | 
 | 	$(call descend,power/x86/$(@:_install=),install) | 
 |  | 
 | tmon_install: | 
 | 	$(call descend,thermal/$(@:_install=),install) | 
 |  | 
 | freefall_install: | 
 | 	$(call descend,laptop/$(@:_install=),install) | 
 |  | 
 | kvm_stat_install: | 
 | 	$(call descend,kvm/$(@:_install=),install) | 
 |  | 
 | install: acpi_install cgroup_install cpupower_install gpio_install \ | 
 | 		hv_install firewire_install iio_install liblockdep_install \ | 
 | 		perf_install selftests_install turbostat_install usb_install \ | 
 | 		virtio_install vm_install bpf_install x86_energy_perf_policy_install \ | 
 | 		tmon_install freefall_install objtool_install kvm_stat_install \ | 
 | 		wmi_install pci_install debugging_install intel-speed-select_install | 
 |  | 
 | acpi_clean: | 
 | 	$(call descend,power/acpi,clean) | 
 |  | 
 | cpupower_clean: | 
 | 	$(call descend,power/cpupower,clean) | 
 |  | 
 | cgroup_clean hv_clean firewire_clean spi_clean usb_clean virtio_clean vm_clean wmi_clean bpf_clean iio_clean gpio_clean objtool_clean leds_clean pci_clean firmware_clean debugging_clean: | 
 | 	$(call descend,$(@:_clean=),clean) | 
 |  | 
 | liblockdep_clean: | 
 | 	$(call descend,lib/lockdep,clean) | 
 |  | 
 | libapi_clean: | 
 | 	$(call descend,lib/api,clean) | 
 |  | 
 | libbpf_clean: | 
 | 	$(call descend,lib/bpf,clean) | 
 |  | 
 | libsubcmd_clean: | 
 | 	$(call descend,lib/subcmd,clean) | 
 |  | 
 | perf_clean: | 
 | 	$(Q)mkdir -p $(PERF_O) . | 
 | 	$(Q)$(MAKE) --no-print-directory -C perf O=$(PERF_O) subdir= clean | 
 |  | 
 | selftests_clean: | 
 | 	$(call descend,testing/$(@:_clean=),clean) | 
 |  | 
 | turbostat_clean x86_energy_perf_policy_clean intel-speed-select_clean: | 
 | 	$(call descend,power/x86/$(@:_clean=),clean) | 
 |  | 
 | tmon_clean: | 
 | 	$(call descend,thermal/tmon,clean) | 
 |  | 
 | freefall_clean: | 
 | 	$(call descend,laptop/freefall,clean) | 
 |  | 
 | build_clean: | 
 | 	$(call descend,build,clean) | 
 |  | 
 | clean: acpi_clean cgroup_clean cpupower_clean hv_clean firewire_clean \ | 
 | 		perf_clean selftests_clean turbostat_clean spi_clean usb_clean virtio_clean \ | 
 | 		vm_clean bpf_clean iio_clean x86_energy_perf_policy_clean tmon_clean \ | 
 | 		freefall_clean build_clean libbpf_clean libsubcmd_clean liblockdep_clean \ | 
 | 		gpio_clean objtool_clean leds_clean wmi_clean pci_clean firmware_clean debugging_clean \ | 
 | 		intel-speed-select_clean | 
 |  | 
 | .PHONY: FORCE |