summaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/Makefile
blob: 017ce2a7ae36367efdff75f6353f1e690234de35 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
# SPDX-License-Identifier: GPL-2.0
TARGETS = android
TARGETS += arm64
TARGETS += bpf
TARGETS += breakpoints
TARGETS += capabilities
TARGETS += cgroup
TARGETS += clone3
TARGETS += core
TARGETS += cpufreq
TARGETS += cpu-hotplug
TARGETS += drivers/dma-buf
TARGETS += efivarfs
TARGETS += exec
TARGETS += filesystems
TARGETS += filesystems/binderfs
TARGETS += filesystems/epoll
TARGETS += firmware
TARGETS += fpu
TARGETS += ftrace
TARGETS += futex
TARGETS += gpio
TARGETS += intel_pstate
TARGETS += ipc
TARGETS += ir
TARGETS += kcmp
TARGETS += kexec
TARGETS += kvm
TARGETS += lib
TARGETS += livepatch
TARGETS += lkdtm
TARGETS += membarrier
TARGETS += memfd
TARGETS += memory-hotplug
TARGETS += mount
TARGETS += mqueue
TARGETS += net
TARGETS += net/forwarding
TARGETS += net/mptcp
TARGETS += netfilter
TARGETS += nsfs
TARGETS += pidfd
TARGETS += pid_namespace
TARGETS += powerpc
TARGETS += proc
TARGETS += pstore
TARGETS += ptrace
TARGETS += openat2
TARGETS += rseq
TARGETS += rtc
TARGETS += seccomp
TARGETS += sigaltstack
TARGETS += size
TARGETS += sparc64
TARGETS += splice
TARGETS += static_keys
TARGETS += sync
TARGETS += sysctl
TARGETS += timens
ifneq (1, $(quicktest))
TARGETS += timers
endif
TARGETS += tmpfs
TARGETS += tpm2
TARGETS += user
TARGETS += vm
TARGETS += x86
TARGETS += zram
#Please keep the TARGETS list alphabetically sorted
# Run "make quicktest=1 run_tests" or
# "make quicktest=1 kselftest" from top level Makefile

TARGETS_HOTPLUG = cpu-hotplug
TARGETS_HOTPLUG += memory-hotplug

# User can optionally provide a TARGETS skiplist.
SKIP_TARGETS ?=
ifneq ($(SKIP_TARGETS),)
	TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
	override TARGETS := $(TMP)
endif

# User can set FORCE_TARGETS to 1 to require all targets to be successfully
# built; make will fail if any of the targets cannot be built. If
# FORCE_TARGETS is not set (the default), make will succeed if at least one
# of the targets gets built.
FORCE_TARGETS ?=

# Clear LDFLAGS and MAKEFLAGS if called from main
# Makefile to avoid test build failures when test
# Makefile doesn't have explicit build rules.
ifeq (1,$(MAKELEVEL))
override LDFLAGS =
override MAKEFLAGS =
endif

# Append kselftest to KBUILD_OUTPUT and O to avoid cluttering
# KBUILD_OUTPUT with selftest objects and headers installed
# by selftests Makefile or lib.mk.
ifdef building_out_of_srctree
override LDFLAGS =
endif

ifneq ($(O),)
	BUILD := $(O)/kselftest
else
	ifneq ($(KBUILD_OUTPUT),)
		BUILD := $(KBUILD_OUTPUT)/kselftest
	else
		BUILD := $(shell pwd)
		DEFAULT_INSTALL_HDR_PATH := 1
	endif
endif

# Prepare for headers install
top_srcdir ?= ../../..
include $(top_srcdir)/scripts/subarch.include
ARCH           ?= $(SUBARCH)
export KSFT_KHDR_INSTALL_DONE := 1
export BUILD

# build and run gpio when output directory is the src dir.
# gpio has dependency on tools/gpio and builds tools/gpio
# objects in the src directory in all cases making the src
# repo dirty even when objects are relocated.
ifneq (1,$(DEFAULT_INSTALL_HDR_PATH))
	TMP := $(filter-out gpio, $(TARGETS))
	TARGETS := $(TMP)
endif

# set default goal to all, so make without a target runs all, even when
# all isn't the first target in the file.
.DEFAULT_GOAL := all

# Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE
# is used to avoid running headers_install from lib.mk.
# Invoke headers install with --no-builtin-rules to avoid circular
# dependency in "make kselftest" case. In this case, second level
# make inherits builtin-rules which will use the rule generate
# Makefile.o and runs into
# "Circular Makefile.o <- prepare dependency dropped."
# and headers_install fails and test compile fails.
#
# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
# invokes them as sub-makes and --no-builtin-rules is not necessary,
# but doesn't cause any failures. Keep it simple and use the same
# flags in both cases.
# Local build cases: "make kselftest", "make -C" - headers are installed
# in the default INSTALL_HDR_PATH usr/include.
khdr:
ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
	$(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
else
	$(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \
		ARCH=$(ARCH) -C $(top_srcdir) headers_install
endif

all: khdr
	@ret=1;							\
	for TARGET in $(TARGETS); do				\
		BUILD_TARGET=$$BUILD/$$TARGET;			\
		mkdir $$BUILD_TARGET  -p;			\
		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET	\
				$(if $(FORCE_TARGETS),|| exit);	\
		ret=$$((ret * $$?));				\
	done; exit $$ret;

run_tests: all
	@for TARGET in $(TARGETS); do \
		BUILD_TARGET=$$BUILD/$$TARGET;	\
		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
	done;

hotplug:
	@for TARGET in $(TARGETS_HOTPLUG); do \
		BUILD_TARGET=$$BUILD/$$TARGET;	\
		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
	done;

run_hotplug: hotplug
	@for TARGET in $(TARGETS_HOTPLUG); do \
		BUILD_TARGET=$$BUILD/$$TARGET;	\
		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
	done;

clean_hotplug:
	@for TARGET in $(TARGETS_HOTPLUG); do \
		BUILD_TARGET=$$BUILD/$$TARGET;	\
		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
	done;

run_pstore_crash:
	$(MAKE) -C pstore run_crash

# Use $BUILD as the default install root. $BUILD points to the
# right output location for the following cases:
# 1. output_dir=kernel_src
# 2. a separate output directory is specified using O= KBUILD_OUTPUT
# 3. a separate output directory is specified using KBUILD_OUTPUT
# Avoid conflict with INSTALL_PATH set by the main Makefile
#
KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
# Avoid changing the rest of the logic here and lib.mk.
INSTALL_PATH := $(KSFT_INSTALL_PATH)
ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh

install: all
ifdef INSTALL_PATH
	@# Ask all targets to install their files
	mkdir -p $(INSTALL_PATH)/kselftest
	install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/
	install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
	install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
	@ret=1;	\
	for TARGET in $(TARGETS); do \
		BUILD_TARGET=$$BUILD/$$TARGET;	\
		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \
				$(if $(FORCE_TARGETS),|| exit);	\
		ret=$$((ret * $$?));		\
	done; exit $$ret;

	@# Ask all targets to emit their test scripts
	echo "#!/bin/sh" > $(ALL_SCRIPT)
	echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT)
	echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT)
	echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT)
	echo "ROOT=\$$PWD" >> $(ALL_SCRIPT)
	echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT)
	echo "  logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT)
	echo "  cat /dev/null > \$$logfile" >> $(ALL_SCRIPT)
	echo "fi" >> $(ALL_SCRIPT)

	@# While building run_kselftest.sh skip also non-existent TARGET dirs:
	@# they could be the result of a build failure and should NOT be
	@# included in the generated runlist.
	for TARGET in $(TARGETS); do \
		BUILD_TARGET=$$BUILD/$$TARGET;	\
		[ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
		echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
		echo "cd $$TARGET" >> $(ALL_SCRIPT); \
		echo -n "run_many" >> $(ALL_SCRIPT); \
		echo -n "Emit Tests for $$TARGET\n"; \
		$(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
		echo "" >> $(ALL_SCRIPT);	    \
		echo "cd \$$ROOT" >> $(ALL_SCRIPT); \
	done;

	chmod u+x $(ALL_SCRIPT)
else
	$(error Error: set INSTALL_PATH to use install)
endif

FORMAT ?= .gz
TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT})
gen_tar: install
	@mkdir -p ${INSTALL_PATH}/kselftest-packages/
	@tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} .
	@echo "Created ${TAR_PATH}"

clean:
	@for TARGET in $(TARGETS); do \
		BUILD_TARGET=$$BUILD/$$TARGET;	\
		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
	done;

.PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar