7246f4dcac
TL;DR: While a tool like liblockdep is useful, it probably doesn't belong within the kernel tree. liblockdep attempts to reuse kernel code both directly (by directly building the kernel's lockdep code) as well as indirectly (by using sanitized headers). This makes liblockdep an integral part of the kernel. It also makes liblockdep quite unique: while other userspace code might use sanitized headers, it generally doesn't attempt to use kernel code directly which means that changes on the kernel side of things don't affect (and break) it directly. All our workflows and tooling around liblockdep don't support this uniqueness. Changes that go into the kernel code aren't validated to not break in-tree userspace code. liblockdep ended up being very fragile, breaking over and over, to the point that living in the same tree as the lockdep code lost most of it's value. liblockdep should continue living in an external tree, syncing with the kernel often, in a controllable way. Signed-off-by: Sasha Levin <sashal@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
6.0 KiB
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 ' counter - counter 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 ' objtool - an ELF object analysis tool'
@echo ' pci - PCI tools'
@echo ' perf - Linux performance measurement and analysis tool'
@echo ' selftests - various kernel selftests'
@echo ' bootconfig - boot config tool'
@echo ' spi - spi tools'
@echo ' tmon - thermal monitoring and tuning tool'
@echo ' tracing - misc tracing tools'
@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/ _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 counter firewire hv guest bootconfig spi usb virtio vm bpf iio gpio objtool leds wmi pci firmware debugging tracing: FORCE $(call descend,$@)
bpf/%: FORCE $(call descend,$@)
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 counter cpupower gpio hv firewire
perf selftests bootconfig spi turbostat usb
virtio vm bpf x86_energy_perf_policy
tmon freefall iio objtool kvm_stat wmi
pci debugging tracing
acpi_install: $(call descend,power/$(@:_install=),install)
cpupower_install: $(call descend,power/$(@:_install=),install)
cgroup_install counter_install firewire_install gpio_install hv_install iio_install perf_install bootconfig_install spi_install usb_install virtio_install vm_install bpf_install objtool_install wmi_install pci_install debugging_install tracing_install: $(call descend,$(@:_install=),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 counter_install cpupower_install gpio_install
hv_install firewire_install iio_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
tracing_install
acpi_clean: $(call descend,power/acpi,clean)
cpupower_clean: $(call descend,power/cpupower,clean)
cgroup_clean counter_clean hv_clean firewire_clean bootconfig_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 tracing_clean: $(call descend,$(@:_clean=),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 counter_clean cpupower_clean hv_clean firewire_clean
perf_clean selftests_clean turbostat_clean bootconfig_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
gpio_clean objtool_clean leds_clean wmi_clean pci_clean firmware_clean debugging_clean
intel-speed-select_clean tracing_clean
.PHONY: FORCE