tools/testing/selftests/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 TARGETS = android
   3 TARGETS += arm64
   4 TARGETS += bpf
   5 TARGETS += breakpoints
   6 TARGETS += capabilities
   7 TARGETS += cgroup
   8 TARGETS += clone3
   9 TARGETS += cpufreq
  10 TARGETS += cpu-hotplug
  11 TARGETS += drivers/dma-buf
  12 TARGETS += efivarfs
  13 TARGETS += exec
  14 TARGETS += filesystems
  15 TARGETS += filesystems/binderfs
  16 TARGETS += filesystems/epoll
  17 TARGETS += firmware
  18 TARGETS += ftrace
  19 TARGETS += futex
  20 TARGETS += gpio
  21 TARGETS += intel_pstate
  22 TARGETS += ipc
  23 TARGETS += ir
  24 TARGETS += kcmp
  25 TARGETS += kexec
  26 TARGETS += kvm
  27 TARGETS += lib
  28 TARGETS += livepatch
  29 TARGETS += lkdtm
  30 TARGETS += membarrier
  31 TARGETS += memfd
  32 TARGETS += memory-hotplug
  33 TARGETS += mount
  34 TARGETS += mqueue
  35 TARGETS += net
  36 TARGETS += net/mptcp
  37 TARGETS += netfilter
  38 TARGETS += networking/timestamping
  39 TARGETS += nsfs
  40 TARGETS += pidfd
  41 TARGETS += powerpc
  42 TARGETS += proc
  43 TARGETS += pstore
  44 TARGETS += ptrace
  45 TARGETS += openat2
  46 TARGETS += rseq
  47 TARGETS += rtc
  48 TARGETS += seccomp
  49 TARGETS += sigaltstack
  50 TARGETS += size
  51 TARGETS += sparc64
  52 TARGETS += splice
  53 TARGETS += static_keys
  54 TARGETS += sync
  55 TARGETS += sysctl
  56 TARGETS += timens
  57 ifneq (1, $(quicktest))
  58 TARGETS += timers
  59 endif
  60 TARGETS += tmpfs
  61 TARGETS += tpm2
  62 TARGETS += user
  63 TARGETS += vm
  64 TARGETS += x86
  65 TARGETS += zram
  66 #Please keep the TARGETS list alphabetically sorted
  67 # Run "make quicktest=1 run_tests" or
  68 # "make quicktest=1 kselftest" from top level Makefile
  69
  70 TARGETS_HOTPLUG = cpu-hotplug
  71 TARGETS_HOTPLUG += memory-hotplug
  72
  73 # User can optionally provide a TARGETS skiplist.
  74 SKIP_TARGETS ?=
  75 ifneq ($(SKIP_TARGETS),)
  76         TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
  77         override TARGETS := $(TMP)
  78 endif
  79
  80 # User can set FORCE_TARGETS to 1 to require all targets to be successfully
  81 # built; make will fail if any of the targets cannot be built. If
  82 # FORCE_TARGETS is not set (the default), make will succeed if at least one
  83 # of the targets gets built.
  84 FORCE_TARGETS ?=
  85
  86 # Clear LDFLAGS and MAKEFLAGS if called from main
  87 # Makefile to avoid test build failures when test
  88 # Makefile doesn't have explicit build rules.
  89 ifeq (1,$(MAKELEVEL))
  90 override LDFLAGS =
  91 override MAKEFLAGS =
  92 endif
  93
  94 # Append kselftest to KBUILD_OUTPUT to avoid cluttering
  95 # KBUILD_OUTPUT with selftest objects and headers installed
  96 # by selftests Makefile or lib.mk.
  97 ifdef building_out_of_srctree
  98 override LDFLAGS =
  99 endif
 100
 101 ifneq ($(O),)
 102         BUILD := $(O)
 103 else
 104         ifneq ($(KBUILD_OUTPUT),)
 105                 BUILD := $(KBUILD_OUTPUT)/kselftest
 106         else
 107                 BUILD := $(shell pwd)
 108                 DEFAULT_INSTALL_HDR_PATH := 1
 109         endif
 110 endif
 111
 112 # Prepare for headers install
 113 top_srcdir ?= ../../..
 114 include $(top_srcdir)/scripts/subarch.include
 115 ARCH           ?= $(SUBARCH)
 116 export KSFT_KHDR_INSTALL_DONE := 1
 117 export BUILD
 118
 119 # build and run gpio when output directory is the src dir.
 120 # gpio has dependency on tools/gpio and builds tools/gpio
 121 # objects in the src directory in all cases making the src
 122 # repo dirty even when objects are relocated.
 123 ifneq (1,$(DEFAULT_INSTALL_HDR_PATH))
 124         TMP := $(filter-out gpio, $(TARGETS))
 125         TARGETS := $(TMP)
 126 endif
 127
 128 # set default goal to all, so make without a target runs all, even when
 129 # all isn't the first target in the file.
 130 .DEFAULT_GOAL := all
 131
 132 # Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE
 133 # is used to avoid running headers_install from lib.mk.
 134 # Invoke headers install with --no-builtin-rules to avoid circular
 135 # dependency in "make kselftest" case. In this case, second level
 136 # make inherits builtin-rules which will use the rule generate
 137 # Makefile.o and runs into
 138 # "Circular Makefile.o <- prepare dependency dropped."
 139 # and headers_install fails and test compile fails.
 140 #
 141 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
 142 # invokes them as sub-makes and --no-builtin-rules is not necessary,
 143 # but doesn't cause any failures. Keep it simple and use the same
 144 # flags in both cases.
 145 # Local build cases: "make kselftest", "make -C" - headers are installed
 146 # in the default INSTALL_HDR_PATH usr/include.
 147 khdr:
 148 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
 149         $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
 150 else
 151         $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \
 152                 ARCH=$(ARCH) -C $(top_srcdir) headers_install
 153 endif
 154
 155 all: khdr
 156         @ret=1;                                                 \
 157         for TARGET in $(TARGETS); do                            \
 158                 BUILD_TARGET=$$BUILD/$$TARGET;                  \
 159                 mkdir $$BUILD_TARGET  -p;                       \
 160                 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET       \
 161                                 $(if $(FORCE_TARGETS),|| exit); \
 162                 ret=$$((ret * $$?));                            \
 163         done; exit $$ret;
 164
 165 run_tests: all
 166         @for TARGET in $(TARGETS); do \
 167                 BUILD_TARGET=$$BUILD/$$TARGET;  \
 168                 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
 169         done;
 170
 171 hotplug:
 172         @for TARGET in $(TARGETS_HOTPLUG); do \
 173                 BUILD_TARGET=$$BUILD/$$TARGET;  \
 174                 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
 175         done;
 176
 177 run_hotplug: hotplug
 178         @for TARGET in $(TARGETS_HOTPLUG); do \
 179                 BUILD_TARGET=$$BUILD/$$TARGET;  \
 180                 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
 181         done;
 182
 183 clean_hotplug:
 184         @for TARGET in $(TARGETS_HOTPLUG); do \
 185                 BUILD_TARGET=$$BUILD/$$TARGET;  \
 186                 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
 187         done;
 188
 189 run_pstore_crash:
 190         $(MAKE) -C pstore run_crash
 191
 192 # Use $BUILD as the default install root. $BUILD points to the
 193 # right output location for the following cases:
 194 # 1. output_dir=kernel_src
 195 # 2. a separate output directory is specified using O= KBUILD_OUTPUT
 196 # 3. a separate output directory is specified using KBUILD_OUTPUT
 197 # Avoid conflict with INSTALL_PATH set by the main Makefile
 198 #
 199 KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
 200 KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
 201 # Avoid changing the rest of the logic here and lib.mk.
 202 INSTALL_PATH := $(KSFT_INSTALL_PATH)
 203 ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
 204
 205 install: all
 206 ifdef INSTALL_PATH
 207         @# Ask all targets to install their files
 208         mkdir -p $(INSTALL_PATH)/kselftest
 209         install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/
 210         install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
 211         install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
 212         @ret=1; \
 213         for TARGET in $(TARGETS); do \
 214                 BUILD_TARGET=$$BUILD/$$TARGET;  \
 215                 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \
 216                                 $(if $(FORCE_TARGETS),|| exit); \
 217                 ret=$$((ret * $$?));            \
 218         done; exit $$ret;
 219
 220         @# Ask all targets to emit their test scripts
 221         echo "#!/bin/sh" > $(ALL_SCRIPT)
 222         echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT)
 223         echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT)
 224         echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT)
 225         echo "ROOT=\$$PWD" >> $(ALL_SCRIPT)
 226         echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT)
 227         echo "  logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT)
 228         echo "  cat /dev/null > \$$logfile" >> $(ALL_SCRIPT)
 229         echo "fi" >> $(ALL_SCRIPT)
 230
 231         @# While building run_kselftest.sh skip also non-existent TARGET dirs:
 232         @# they could be the result of a build failure and should NOT be
 233         @# included in the generated runlist.
 234         for TARGET in $(TARGETS); do \
 235                 BUILD_TARGET=$$BUILD/$$TARGET;  \
 236                 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
 237                 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
 238                 echo "cd $$TARGET" >> $(ALL_SCRIPT); \
 239                 echo -n "run_many" >> $(ALL_SCRIPT); \
 240                 echo -n "Emit Tests for $$TARGET\n"; \
 241                 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
 242                 echo "" >> $(ALL_SCRIPT);           \
 243                 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \
 244         done;
 245
 246         chmod u+x $(ALL_SCRIPT)
 247 else
 248         $(error Error: set INSTALL_PATH to use install)
 249 endif
 250
 251 clean:
 252         @for TARGET in $(TARGETS); do \
 253                 BUILD_TARGET=$$BUILD/$$TARGET;  \
 254                 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
 255         done;
 256
 257 .PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean