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TOMOYO Linux Cross Reference
Linux/tools/perf/Makefile.perf

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 # SPDX-License-Identifier: GPL-2.0-only
  2 include ../scripts/Makefile.include
  3 include ../scripts/Makefile.arch
  4 
  5 # The default target of this Makefile is...
  6 all:
  7 
  8 include ../scripts/utilities.mak
  9 
 10 # Define V to have a more verbose compile.
 11 #
 12 # Define VF to have a more verbose feature check output.
 13 #
 14 # Define O to save output files in a separate directory.
 15 #
 16 # Define ARCH as name of target architecture if you want cross-builds.
 17 #
 18 # Define CROSS_COMPILE as prefix name of compiler if you want cross-builds.
 19 #
 20 # Define NO_LIBPERL to disable perl script extension.
 21 #
 22 # Define NO_LIBPYTHON to disable python script extension.
 23 #
 24 # Define PYTHON to point to the python binary if the default
 25 # `python' is not correct; for example: PYTHON=python2
 26 #
 27 # Define PYTHON_CONFIG to point to the python-config binary if
 28 # the default `$(PYTHON)-config' is not correct.
 29 #
 30 # Define ASCIIDOC8 if you want to format documentation with AsciiDoc 8
 31 #
 32 # Define DOCBOOK_XSL_172 if you want to format man pages with DocBook XSL v1.72.
 33 #
 34 # Define LDFLAGS=-static to build a static binary.
 35 #
 36 # Define EXTRA_CFLAGS=-m64 or EXTRA_CFLAGS=-m32 as appropriate for cross-builds.
 37 #
 38 # Define EXCLUDE_EXTLIBS=-lmylib to exclude libmylib from the auto-generated
 39 # EXTLIBS.
 40 #
 41 # Define EXTRA_PERFLIBS to pass extra libraries to PERFLIBS.
 42 #
 43 # Define NO_DWARF if you do not want debug-info analysis feature at all.
 44 #
 45 # Define WERROR=0 to disable treating any warnings as errors.
 46 #
 47 # Define NO_SLANG if you do not want TUI support.
 48 #
 49 # Define GTK2 if you want GTK+ GUI support.
 50 #
 51 # Define NO_DEMANGLE if you do not want C++ symbol demangling.
 52 #
 53 # Define NO_LIBELF if you do not want libelf dependency (e.g. cross-builds)
 54 #
 55 # Define NO_LIBUNWIND if you do not want libunwind dependency for dwarf
 56 # backtrace post unwind.
 57 #
 58 # Define NO_BACKTRACE if you do not want stack backtrace debug feature
 59 #
 60 # Define NO_LIBNUMA if you do not want numa perf benchmark
 61 #
 62 # Define NO_LIBAUDIT if you do not want libaudit support
 63 #
 64 # Define NO_LIBBIONIC if you do not want bionic support
 65 #
 66 # Define NO_LIBCRYPTO if you do not want libcrypto (openssl) support
 67 # used for generating build-ids for ELFs generated by jitdump.
 68 #
 69 # Define NO_LIBDW_DWARF_UNWIND if you do not want libdw support
 70 # for dwarf backtrace post unwind.
 71 #
 72 # Define NO_LIBTRACEEVENT=1 if you don't want libtraceevent to be linked,
 73 # this will remove multiple features and tools, such as 'perf trace',
 74 # that need it to read tracefs event format files, etc.
 75 #
 76 # Define NO_PERF_READ_VDSO32 if you do not want to build perf-read-vdso32
 77 # for reading the 32-bit compatibility VDSO in 64-bit mode
 78 #
 79 # Define NO_PERF_READ_VDSOX32 if you do not want to build perf-read-vdsox32
 80 # for reading the x32 mode 32-bit compatibility VDSO in 64-bit mode
 81 #
 82 # Define NO_ZLIB if you do not want to support compressed kernel modules
 83 #
 84 # Define NO_LIBBABELTRACE if you do not want libbabeltrace support
 85 # for CTF data format.
 86 #
 87 # Define NO_CAPSTONE if you do not want libcapstone support
 88 # for disasm engine.
 89 #
 90 # Define NO_LZMA if you do not want to support compressed (xz) kernel modules
 91 #
 92 # Define NO_AUXTRACE if you do not want AUX area tracing support
 93 #
 94 # Define NO_LIBBPF if you do not want BPF support
 95 #
 96 # Define NO_LIBCAP if you do not want process capabilities considered by perf
 97 #
 98 # Define NO_SDT if you do not want to define SDT event in perf tools,
 99 # note that it doesn't disable SDT scanning support.
100 #
101 # Define FEATURES_DUMP to provide features detection dump file
102 # and bypass the feature detection
103 #
104 # Define NO_JVMTI if you do not want jvmti agent built
105 #
106 # Define NO_JVMTI_CMLR (debug only) if you do not want to process CMLR
107 # data for java source lines.
108 #
109 # Define CORESIGHT if you DO WANT support for CoreSight trace decoding.
110 #
111 # Define NO_AIO if you do not want support of Posix AIO based trace
112 # streaming for record mode. Currently Posix AIO trace streaming is
113 # supported only when linking with glibc.
114 #
115 # Define NO_LIBZSTD if you do not want support of Zstandard based runtime
116 # trace compression in record mode.
117 #
118 # Define TCMALLOC to enable tcmalloc heap profiling.
119 #
120 # Define LIBBPF_DYNAMIC to enable libbpf dynamic linking.
121 #
122 # Define NO_SYSCALL_TABLE=1 to disable the use of syscall id to/from name tables
123 # generated from the kernel .tbl or unistd.h files and use, if available, libaudit
124 # for doing the conversions to/from strings/id.
125 #
126 # Define NO_LIBPFM4 to disable libpfm4 events extension.
127 #
128 # Define NO_LIBDEBUGINFOD if you do not want support debuginfod
129 #
130 # Set BUILD_BPF_SKEL to 0 to override BUILD_BPF_SKEL and not build BPF skeletons
131 #
132 # Define BUILD_NONDISTRO to enable building an linking against libbfd and
133 # libiberty distribution license incompatible libraries.
134 #
135 # Define EXTRA_TESTS to enable building extra tests useful mainly to perf
136 # developers, such as:
137 #       x86 instruction decoder - new instructions test
138 #
139 # Define GEN_VMLINUX_H to generate vmlinux.h from the BTF.
140 #
141 # Define NO_SHELLCHECK if you do not want to run shellcheck during build
142 
143 # As per kernel Makefile, avoid funny character set dependencies
144 unexport LC_ALL
145 LC_COLLATE=C
146 LC_NUMERIC=C
147 export LC_COLLATE LC_NUMERIC
148 
149 ifeq ($(srctree),)
150 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
151 srctree := $(patsubst %/,%,$(dir $(srctree)))
152 #$(info Determined 'srctree' to be $(srctree))
153 endif
154 
155 ifneq ($(objtree),)
156 #$(info Determined 'objtree' to be $(objtree))
157 endif
158 
159 ifneq ($(OUTPUT),)
160 #$(info Determined 'OUTPUT' to be $(OUTPUT))
161 # Adding $(OUTPUT) as a directory to look for source files,
162 # because use generated output files as sources dependency
163 # for flex/bison parsers.
164 VPATH += $(OUTPUT)
165 export VPATH
166 # create symlink to the original source
167 SOURCE := $(shell ln -sf $(srctree)/tools/perf $(OUTPUT)/source)
168 endif
169 
170 ifeq ($(V),1)
171   Q =
172 else
173   Q = @
174 endif
175 
176 # Do not use make's built-in rules
177 # (this improves performance and avoids hard-to-debug behaviour);
178 MAKEFLAGS += -r
179 
180 # Makefiles suck: This macro sets a default value of $(2) for the
181 # variable named by $(1), unless the variable has been set by
182 # environment or command line. This is necessary for CC and AR
183 # because make sets default values, so the simpler ?= approach
184 # won't work as expected.
185 define allow-override
186   $(if $(or $(findstring environment,$(origin $(1))),\
187             $(findstring command line,$(origin $(1)))),,\
188     $(eval $(1) = $(2)))
189 endef
190 
191 LD += $(EXTRA_LDFLAGS)
192 
193 HOSTCC  ?= gcc
194 HOSTLD  ?= ld
195 HOSTAR  ?= ar
196 CLANG   ?= clang
197 
198 # Some distros provide the command $(CROSS_COMPILE)pkg-config for
199 # searching packges installed with Multiarch. Use it for cross
200 # compilation if it is existed.
201 ifneq (, $(shell which $(CROSS_COMPILE)pkg-config))
202   PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config
203 else
204   PKG_CONFIG ?= pkg-config
205 
206   # PKG_CONFIG_PATH or PKG_CONFIG_LIBDIR, alongside PKG_CONFIG_SYSROOT_DIR
207   # for modified system root, is required for the cross compilation.
208   # If these PKG_CONFIG environment variables are not set, Multiarch library
209   # paths are used instead.
210   ifdef CROSS_COMPILE
211     ifeq ($(PKG_CONFIG_LIBDIR)$(PKG_CONFIG_PATH)$(PKG_CONFIG_SYSROOT_DIR),)
212       CROSS_ARCH = $(shell $(CC) -dumpmachine)
213       PKG_CONFIG_LIBDIR := /usr/local/$(CROSS_ARCH)/lib/pkgconfig/
214       PKG_CONFIG_LIBDIR := $(PKG_CONFIG_LIBDIR):/usr/local/lib/$(CROSS_ARCH)/pkgconfig/
215       PKG_CONFIG_LIBDIR := $(PKG_CONFIG_LIBDIR):/usr/lib/$(CROSS_ARCH)/pkgconfig/
216       PKG_CONFIG_LIBDIR := $(PKG_CONFIG_LIBDIR):/usr/local/share/pkgconfig/
217       PKG_CONFIG_LIBDIR := $(PKG_CONFIG_LIBDIR):/usr/share/pkgconfig/
218       export PKG_CONFIG_LIBDIR
219       $(warning Missing PKG_CONFIG_LIBDIR, PKG_CONFIG_PATH and PKG_CONFIG_SYSROOT_DIR for cross compilation,)
220       $(warning set PKG_CONFIG_LIBDIR for using Multiarch libs.)
221     endif
222   endif
223 endif
224 
225 RM      = rm -f
226 LN      = ln -f
227 MKDIR   = mkdir
228 FIND    = find
229 INSTALL = install
230 FLEX    ?= flex
231 BISON   ?= bison
232 STRIP   = strip
233 AWK     = awk
234 READELF ?= readelf
235 
236 # include Makefile.config by default and rule out
237 # non-config cases
238 config := 1
239 
240 NON_CONFIG_TARGETS := clean python-clean TAGS tags cscope help
241 
242 ifdef MAKECMDGOALS
243 ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),)
244   VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h
245   config := 0
246 endif
247 endif
248 
249 # The fixdep build - we force fixdep tool to be built as
250 # the first target in the separate make session not to be
251 # disturbed by any parallel make jobs. Once fixdep is done
252 # we issue the requested build with FIXDEP=1 variable.
253 #
254 # The fixdep build is disabled for $(NON_CONFIG_TARGETS)
255 # targets, because it's not necessary.
256 
257 ifdef FIXDEP
258   force_fixdep := 0
259 else
260   force_fixdep := $(config)
261 endif
262 
263 # Runs shellcheck on perf test shell scripts
264 ifeq ($(NO_SHELLCHECK),1)
265   SHELLCHECK :=
266 else
267   SHELLCHECK := $(shell which shellcheck 2> /dev/null)
268 endif
269 
270 # shellcheck is using in tools/perf/tests/Build with option -a/--check-sourced (
271 # introduced in v0.4.7) and -S/--severity (introduced in v0.6.0). So make the
272 # minimal shellcheck version as v0.6.0.
273 ifneq ($(SHELLCHECK),)
274   ifeq ($(shell expr $(shell $(SHELLCHECK) --version | grep version: | \
275         sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \< 060), 1)
276     SHELLCHECK :=
277   endif
278 endif
279 
280 export srctree OUTPUT RM CC CXX LD AR CFLAGS CXXFLAGS V BISON FLEX AWK
281 export HOSTCC HOSTLD HOSTAR HOSTCFLAGS SHELLCHECK
282 
283 include $(srctree)/tools/build/Makefile.include
284 
285 ifeq ($(force_fixdep),1)
286 goals := $(filter-out all sub-make, $(MAKECMDGOALS))
287 
288 $(goals) all: sub-make
289 
290 sub-make: fixdep
291         @./check-headers.sh
292         $(Q)$(MAKE) FIXDEP=1 -f Makefile.perf $(goals)
293 
294 else # force_fixdep
295 
296 LIBAPI_DIR      = $(srctree)/tools/lib/api/
297 LIBBPF_DIR      = $(srctree)/tools/lib/bpf/
298 LIBSUBCMD_DIR   = $(srctree)/tools/lib/subcmd/
299 LIBSYMBOL_DIR   = $(srctree)/tools/lib/symbol/
300 LIBPERF_DIR     = $(srctree)/tools/lib/perf/
301 DOC_DIR         = $(srctree)/tools/perf/Documentation/
302 
303 # Set FEATURE_TESTS to 'all' so all possible feature checkers are executed.
304 # Without this setting the output feature dump file misses some features, for
305 # example, liberty. Select all checkers so we won't get an incomplete feature
306 # dump file.
307 ifeq ($(config),1)
308 ifdef MAKECMDGOALS
309 ifeq ($(filter feature-dump,$(MAKECMDGOALS)),feature-dump)
310 FEATURE_TESTS := all
311 endif
312 endif
313 include Makefile.config
314 endif
315 
316 ifeq ($(config),0)
317 include $(srctree)/tools/scripts/Makefile.arch
318 -include arch/$(SRCARCH)/Makefile
319 endif
320 
321 # The FEATURE_DUMP_EXPORT holds location of the actual
322 # FEATURE_DUMP file to be used to bypass feature detection
323 # (for bpf or any other subproject)
324 ifeq ($(FEATURES_DUMP),)
325 FEATURE_DUMP_EXPORT := $(realpath $(OUTPUT)FEATURE-DUMP)
326 else
327 FEATURE_DUMP_EXPORT := $(realpath $(FEATURES_DUMP))
328 endif
329 
330 export prefix bindir sharedir sysconfdir DESTDIR
331 
332 # sparse is architecture-neutral, which means that we need to tell it
333 # explicitly what architecture to check for. Fix this up for yours..
334 SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__
335 
336 # Guard against environment variables
337 PYRF_OBJS =
338 SCRIPT_SH =
339 
340 SCRIPT_SH += perf-archive.sh
341 SCRIPT_SH += perf-iostat.sh
342 
343 grep-libs = $(filter -l%,$(1))
344 strip-libs = $(filter-out -l%,$(1))
345 
346 ifneq ($(OUTPUT),)
347   LIBAPI_OUTPUT = $(abspath $(OUTPUT))/libapi
348 else
349   LIBAPI_OUTPUT = $(CURDIR)/libapi
350 endif
351 LIBAPI_DESTDIR = $(LIBAPI_OUTPUT)
352 LIBAPI_INCLUDE = $(LIBAPI_DESTDIR)/include
353 LIBAPI = $(LIBAPI_OUTPUT)/libapi.a
354 export LIBAPI
355 CFLAGS += -I$(LIBAPI_OUTPUT)/include
356 
357 ifneq ($(OUTPUT),)
358   LIBBPF_OUTPUT = $(abspath $(OUTPUT))/libbpf
359 else
360   LIBBPF_OUTPUT = $(CURDIR)/libbpf
361 endif
362 ifdef LIBBPF_STATIC
363   LIBBPF_DESTDIR = $(LIBBPF_OUTPUT)
364   LIBBPF_INCLUDE = $(LIBBPF_DESTDIR)/include
365   LIBBPF = $(LIBBPF_OUTPUT)/libbpf.a
366   CFLAGS += -I$(LIBBPF_OUTPUT)/include
367 endif
368 
369 ifneq ($(OUTPUT),)
370   LIBSUBCMD_OUTPUT = $(abspath $(OUTPUT))/libsubcmd
371 else
372   LIBSUBCMD_OUTPUT = $(CURDIR)/libsubcmd
373 endif
374 LIBSUBCMD_DESTDIR = $(LIBSUBCMD_OUTPUT)
375 LIBSUBCMD_INCLUDE = $(LIBSUBCMD_DESTDIR)/include
376 LIBSUBCMD = $(LIBSUBCMD_OUTPUT)/libsubcmd.a
377 CFLAGS += -I$(LIBSUBCMD_OUTPUT)/include
378 
379 ifneq ($(OUTPUT),)
380   LIBSYMBOL_OUTPUT = $(abspath $(OUTPUT))/libsymbol
381 else
382   LIBSYMBOL_OUTPUT = $(CURDIR)/libsymbol
383 endif
384 LIBSYMBOL_DESTDIR = $(LIBSYMBOL_OUTPUT)
385 LIBSYMBOL_INCLUDE = $(LIBSYMBOL_DESTDIR)/include
386 LIBSYMBOL = $(LIBSYMBOL_OUTPUT)/libsymbol.a
387 CFLAGS += -I$(LIBSYMBOL_OUTPUT)/include
388 
389 ifneq ($(OUTPUT),)
390   LIBPERF_OUTPUT = $(abspath $(OUTPUT))/libperf
391 else
392   LIBPERF_OUTPUT = $(CURDIR)/libperf
393 endif
394 LIBPERF_DESTDIR = $(LIBPERF_OUTPUT)
395 LIBPERF_INCLUDE = $(LIBPERF_DESTDIR)/include
396 LIBPERF = $(LIBPERF_OUTPUT)/libperf.a
397 export LIBPERF
398 CFLAGS += -I$(LIBPERF_OUTPUT)/include
399 
400 # python extension build directories
401 PYTHON_EXTBUILD     := $(OUTPUT)python_ext_build/
402 PYTHON_EXTBUILD_LIB := $(PYTHON_EXTBUILD)lib/
403 PYTHON_EXTBUILD_TMP := $(PYTHON_EXTBUILD)tmp/
404 export PYTHON_EXTBUILD_LIB PYTHON_EXTBUILD_TMP
405 
406 python-clean := $(call QUIET_CLEAN, python) $(RM) -r $(PYTHON_EXTBUILD) $(OUTPUT)python/perf*.so
407 
408 # Use the detected configuration
409 -include $(OUTPUT).config-detected
410 
411 SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH))
412 
413 PROGRAMS += $(OUTPUT)perf
414 
415 ifndef NO_PERF_READ_VDSO32
416 PROGRAMS += $(OUTPUT)perf-read-vdso32
417 endif
418 
419 ifndef NO_PERF_READ_VDSOX32
420 PROGRAMS += $(OUTPUT)perf-read-vdsox32
421 endif
422 
423 LIBJVMTI = libperf-jvmti.so
424 
425 ifndef NO_JVMTI
426 PROGRAMS += $(OUTPUT)$(LIBJVMTI)
427 endif
428 
429 DLFILTERS := dlfilter-test-api-v0.so dlfilter-test-api-v2.so dlfilter-show-cycles.so
430 DLFILTERS := $(patsubst %,$(OUTPUT)dlfilters/%,$(DLFILTERS))
431 
432 # what 'all' will build and 'install' will install, in perfexecdir
433 ALL_PROGRAMS = $(PROGRAMS) $(SCRIPTS) $(DLFILTERS)
434 
435 # what 'all' will build but not install in perfexecdir
436 OTHER_PROGRAMS = $(OUTPUT)perf
437 
438 # Set paths to tools early so that they can be used for version tests.
439 ifndef SHELL_PATH
440   SHELL_PATH = /bin/sh
441 endif
442 ifndef PERL_PATH
443   PERL_PATH = /usr/bin/perl
444 endif
445 
446 export PERL_PATH
447 
448 LIBPERF_BENCH_IN := $(OUTPUT)perf-bench-in.o
449 LIBPERF_BENCH := $(OUTPUT)libperf-bench.a
450 
451 LIBPERF_TEST_IN := $(OUTPUT)perf-test-in.o
452 LIBPERF_TEST := $(OUTPUT)libperf-test.a
453 
454 LIBPERF_UI_IN := $(OUTPUT)perf-ui-in.o
455 LIBPERF_UI := $(OUTPUT)libperf-ui.a
456 
457 LIBPERF_UTIL_IN := $(OUTPUT)perf-util-in.o
458 LIBPERF_UTIL := $(OUTPUT)libperf-util.a
459 
460 LIBPMU_EVENTS_IN := $(OUTPUT)pmu-events/pmu-events-in.o
461 LIBPMU_EVENTS := $(OUTPUT)libpmu-events.a
462 
463 PERFLIBS = $(LIBAPI) $(LIBPERF) $(LIBSUBCMD) $(LIBSYMBOL)
464 ifdef LIBBPF_STATIC
465   PERFLIBS += $(LIBBPF)
466 endif
467 PERFLIBS += $(LIBPERF_BENCH) $(LIBPERF_TEST) $(LIBPERF_UI) $(LIBPERF_UTIL)
468 PERFLIBS += $(LIBPMU_EVENTS)
469 
470 # We choose to avoid "if .. else if .. else .. endif endif"
471 # because maintaining the nesting to match is a pain.  If
472 # we had "elif" things would have been much nicer...
473 
474 ifneq ($(OUTPUT),)
475   CFLAGS += -I$(OUTPUT)
476 endif
477 
478 ifdef GTK2
479   ALL_PROGRAMS += $(OUTPUT)libperf-gtk.so
480   GTK_IN := $(OUTPUT)gtk-in.o
481 endif
482 
483 ifdef ASCIIDOC8
484   export ASCIIDOC8
485 endif
486 
487 EXTLIBS := $(call filter-out,$(EXCLUDE_EXTLIBS),$(EXTLIBS))
488 LIBS = -Wl,--whole-archive $(PERFLIBS) $(EXTRA_PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group
489 
490 export INSTALL SHELL_PATH
491 
492 ### Build rules
493 
494 SHELL = $(SHELL_PATH)
495 
496 arm64_gen_sysreg_dir := $(srctree)/tools/arch/arm64/tools
497 ifneq ($(OUTPUT),)
498   arm64_gen_sysreg_outdir := $(abspath $(OUTPUT))
499 else
500   arm64_gen_sysreg_outdir := $(CURDIR)
501 endif
502 
503 arm64-sysreg-defs: FORCE
504         $(Q)$(MAKE) -C $(arm64_gen_sysreg_dir) O=$(arm64_gen_sysreg_outdir) \
505                 prefix= subdir=
506 
507 arm64-sysreg-defs-clean:
508         $(call QUIET_CLEAN,arm64-sysreg-defs)
509         $(Q)$(MAKE) -C $(arm64_gen_sysreg_dir) O=$(arm64_gen_sysreg_outdir) \
510                 prefix= subdir= clean > /dev/null
511 
512 beauty_linux_dir := $(srctree)/tools/perf/trace/beauty/include/linux/
513 beauty_uapi_linux_dir := $(srctree)/tools/perf/trace/beauty/include/uapi/linux/
514 beauty_uapi_sound_dir := $(srctree)/tools/perf/trace/beauty/include/uapi/sound/
515 beauty_arch_asm_dir := $(srctree)/tools/perf/trace/beauty/arch/x86/include/asm/
516 beauty_x86_arch_asm_uapi_dir := $(srctree)/tools/perf/trace/beauty/arch/x86/include/uapi/asm/
517 
518 linux_uapi_dir := $(srctree)/tools/include/uapi/linux
519 asm_generic_uapi_dir := $(srctree)/tools/include/uapi/asm-generic
520 arch_asm_uapi_dir := $(srctree)/tools/arch/$(SRCARCH)/include/uapi/asm/
521 x86_arch_asm_dir := $(srctree)/tools/arch/x86/include/asm/
522 
523 beauty_outdir := $(OUTPUT)trace/beauty/generated
524 beauty_ioctl_outdir := $(beauty_outdir)/ioctl
525 
526 # Create output directory if not already present
527 $(shell [ -d '$(beauty_ioctl_outdir)' ] || mkdir -p '$(beauty_ioctl_outdir)')
528 
529 fs_at_flags_array := $(beauty_outdir)/fs_at_flags_array.c
530 fs_at_flags_tbl := $(srctree)/tools/perf/trace/beauty/fs_at_flags.sh
531 
532 $(fs_at_flags_array): $(beauty_uapi_linux_dir)/fcntl.h $(fs_at_flags_tbl)
533         $(Q)$(SHELL) '$(fs_at_flags_tbl)' $(beauty_uapi_linux_dir) > $@
534 
535 clone_flags_array := $(beauty_outdir)/clone_flags_array.c
536 clone_flags_tbl := $(srctree)/tools/perf/trace/beauty/clone.sh
537 
538 $(clone_flags_array): $(beauty_uapi_linux_dir)/sched.h $(clone_flags_tbl)
539         $(Q)$(SHELL) '$(clone_flags_tbl)' $(beauty_uapi_linux_dir) > $@
540 
541 drm_ioctl_array := $(beauty_ioctl_outdir)/drm_ioctl_array.c
542 drm_hdr_dir := $(srctree)/tools/include/uapi/drm
543 drm_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/drm_ioctl.sh
544 
545 $(drm_ioctl_array): $(drm_hdr_dir)/drm.h $(drm_hdr_dir)/i915_drm.h $(drm_ioctl_tbl)
546         $(Q)$(SHELL) '$(drm_ioctl_tbl)' $(drm_hdr_dir) > $@
547 
548 fadvise_advice_array := $(beauty_outdir)/fadvise_advice_array.c
549 fadvise_advice_tbl := $(srctree)/tools/perf/trace/beauty/fadvise.sh
550 
551 $(fadvise_advice_array): $(linux_uapi_dir)/in.h $(fadvise_advice_tbl)
552         $(Q)$(SHELL) '$(fadvise_advice_tbl)' $(linux_uapi_dir) > $@
553 
554 fsmount_arrays := $(beauty_outdir)/fsmount_arrays.c
555 fsmount_tbls := $(srctree)/tools/perf/trace/beauty/fsmount.sh
556 
557 $(fsmount_arrays): $(beauty_uapi_linux_dir)/mount.h $(fsmount_tbls)
558         $(Q)$(SHELL) '$(fsmount_tbls)' $(beauty_uapi_linux_dir) > $@
559 
560 fspick_arrays := $(beauty_outdir)/fspick_arrays.c
561 fspick_tbls := $(srctree)/tools/perf/trace/beauty/fspick.sh
562 
563 $(fspick_arrays): $(beauty_uapi_linux_dir)/mount.h $(fspick_tbls)
564         $(Q)$(SHELL) '$(fspick_tbls)' $(beauty_uapi_linux_dir) > $@
565 
566 fsconfig_arrays := $(beauty_outdir)/fsconfig_arrays.c
567 fsconfig_tbls := $(srctree)/tools/perf/trace/beauty/fsconfig.sh
568 
569 $(fsconfig_arrays): $(beauty_uapi_linux_dir)/mount.h $(fsconfig_tbls)
570         $(Q)$(SHELL) '$(fsconfig_tbls)' $(beauty_uapi_linux_dir) > $@
571 
572 pkey_alloc_access_rights_array := $(beauty_outdir)/pkey_alloc_access_rights_array.c
573 asm_generic_hdr_dir := $(srctree)/tools/include/uapi/asm-generic/
574 pkey_alloc_access_rights_tbl := $(srctree)/tools/perf/trace/beauty/pkey_alloc_access_rights.sh
575 
576 $(pkey_alloc_access_rights_array): $(asm_generic_hdr_dir)/mman-common.h $(pkey_alloc_access_rights_tbl)
577         $(Q)$(SHELL) '$(pkey_alloc_access_rights_tbl)' $(asm_generic_hdr_dir) > $@
578 
579 sndrv_ctl_ioctl_array := $(beauty_ioctl_outdir)/sndrv_ctl_ioctl_array.c
580 sndrv_ctl_hdr_dir := $(srctree)/tools/include/uapi/sound
581 sndrv_ctl_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/sndrv_ctl_ioctl.sh
582 
583 $(sndrv_ctl_ioctl_array): $(beauty_uapi_sound_dir)/asound.h $(sndrv_ctl_ioctl_tbl)
584         $(Q)$(SHELL) '$(sndrv_ctl_ioctl_tbl)' $(beauty_uapi_sound_dir) > $@
585 
586 sndrv_pcm_ioctl_array := $(beauty_ioctl_outdir)/sndrv_pcm_ioctl_array.c
587 sndrv_pcm_hdr_dir := $(srctree)/tools/include/uapi/sound
588 sndrv_pcm_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/sndrv_pcm_ioctl.sh
589 
590 $(sndrv_pcm_ioctl_array): $(beauty_uapi_sound_dir)/asound.h $(sndrv_pcm_ioctl_tbl)
591         $(Q)$(SHELL) '$(sndrv_pcm_ioctl_tbl)' $(beauty_uapi_sound_dir) > $@
592 
593 kcmp_type_array := $(beauty_outdir)/kcmp_type_array.c
594 kcmp_hdr_dir := $(srctree)/tools/include/uapi/linux/
595 kcmp_type_tbl := $(srctree)/tools/perf/trace/beauty/kcmp_type.sh
596 
597 $(kcmp_type_array): $(kcmp_hdr_dir)/kcmp.h $(kcmp_type_tbl)
598         $(Q)$(SHELL) '$(kcmp_type_tbl)' $(kcmp_hdr_dir) > $@
599 
600 kvm_ioctl_array := $(beauty_ioctl_outdir)/kvm_ioctl_array.c
601 kvm_hdr_dir := $(srctree)/tools/include/uapi/linux
602 kvm_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/kvm_ioctl.sh
603 
604 $(kvm_ioctl_array): $(kvm_hdr_dir)/kvm.h $(kvm_ioctl_tbl)
605         $(Q)$(SHELL) '$(kvm_ioctl_tbl)' $(kvm_hdr_dir) > $@
606 
607 socket_arrays := $(beauty_outdir)/socket.c
608 socket_tbl := $(srctree)/tools/perf/trace/beauty/socket.sh
609 
610 $(socket_arrays): $(linux_uapi_dir)/in.h $(beauty_linux_dir)/socket.h $(socket_tbl)
611         $(Q)$(SHELL) '$(socket_tbl)' $(linux_uapi_dir) $(beauty_linux_dir) > $@
612 
613 sockaddr_arrays := $(beauty_outdir)/sockaddr.c
614 sockaddr_tbl := $(srctree)/tools/perf/trace/beauty/sockaddr.sh
615 
616 $(sockaddr_arrays): $(beauty_linux_dir)/socket.h $(sockaddr_tbl)
617         $(Q)$(SHELL) '$(sockaddr_tbl)' $(beauty_linux_dir) > $@
618 
619 vhost_virtio_ioctl_array := $(beauty_ioctl_outdir)/vhost_virtio_ioctl_array.c
620 vhost_virtio_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/vhost_virtio_ioctl.sh
621 
622 $(vhost_virtio_ioctl_array): $(beauty_uapi_linux_dir)/vhost.h $(vhost_virtio_ioctl_tbl)
623         $(Q)$(SHELL) '$(vhost_virtio_ioctl_tbl)' $(beauty_uapi_linux_dir) > $@
624 
625 perf_ioctl_array := $(beauty_ioctl_outdir)/perf_ioctl_array.c
626 perf_hdr_dir := $(srctree)/tools/include/uapi/linux
627 perf_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/perf_ioctl.sh
628 
629 $(perf_ioctl_array): $(perf_hdr_dir)/perf_event.h $(perf_ioctl_tbl)
630         $(Q)$(SHELL) '$(perf_ioctl_tbl)' $(perf_hdr_dir) > $@
631 
632 madvise_behavior_array := $(beauty_outdir)/madvise_behavior_array.c
633 madvise_hdr_dir := $(srctree)/tools/include/uapi/asm-generic/
634 madvise_behavior_tbl := $(srctree)/tools/perf/trace/beauty/madvise_behavior.sh
635 
636 $(madvise_behavior_array): $(madvise_hdr_dir)/mman-common.h $(madvise_behavior_tbl)
637         $(Q)$(SHELL) '$(madvise_behavior_tbl)' $(madvise_hdr_dir) > $@
638 
639 mmap_flags_array := $(beauty_outdir)/mmap_flags_array.c
640 mmap_flags_tbl := $(srctree)/tools/perf/trace/beauty/mmap_flags.sh
641 
642 $(mmap_flags_array): $(linux_uapi_dir)/mman.h $(asm_generic_uapi_dir)/mman.h $(asm_generic_uapi_dir)/mman-common.h $(mmap_flags_tbl)
643         $(Q)$(SHELL) '$(mmap_flags_tbl)' $(linux_uapi_dir) $(asm_generic_uapi_dir) $(arch_asm_uapi_dir) > $@
644 
645 mremap_flags_array := $(beauty_outdir)/mremap_flags_array.c
646 mremap_flags_tbl := $(srctree)/tools/perf/trace/beauty/mremap_flags.sh
647 
648 $(mremap_flags_array): $(linux_uapi_dir)/mman.h $(mremap_flags_tbl)
649         $(Q)$(SHELL) '$(mremap_flags_tbl)' $(linux_uapi_dir) > $@
650 
651 mount_flags_array := $(beauty_outdir)/mount_flags_array.c
652 mount_flags_tbl := $(srctree)/tools/perf/trace/beauty/mount_flags.sh
653 
654 $(mount_flags_array): $(beauty_uapi_linux_dir)/mount.h $(mount_flags_tbl)
655         $(Q)$(SHELL) '$(mount_flags_tbl)' $(beauty_uapi_linux_dir) > $@
656 
657 move_mount_flags_array := $(beauty_outdir)/move_mount_flags_array.c
658 move_mount_flags_tbl := $(srctree)/tools/perf/trace/beauty/move_mount_flags.sh
659 
660 $(move_mount_flags_array): $(beauty_uapi_linux_dir)/mount.h $(move_mount_flags_tbl)
661         $(Q)$(SHELL) '$(move_mount_flags_tbl)' $(beauty_uapi_linux_dir) > $@
662 
663 mmap_prot_array := $(beauty_outdir)/mmap_prot_array.c
664 mmap_prot_tbl := $(srctree)/tools/perf/trace/beauty/mmap_prot.sh
665 
666 $(mmap_prot_array): $(asm_generic_uapi_dir)/mman.h $(asm_generic_uapi_dir)/mman-common.h $(mmap_prot_tbl)
667         $(Q)$(SHELL) '$(mmap_prot_tbl)' $(asm_generic_uapi_dir) $(arch_asm_uapi_dir) > $@
668 
669 prctl_option_array := $(beauty_outdir)/prctl_option_array.c
670 prctl_option_tbl := $(srctree)/tools/perf/trace/beauty/prctl_option.sh
671 
672 $(prctl_option_array): $(beauty_uapi_linux_dir)/prctl.h $(prctl_option_tbl)
673         $(Q)$(SHELL) '$(prctl_option_tbl)' $(beauty_uapi_linux_dir) > $@
674 
675 usbdevfs_ioctl_array := $(beauty_ioctl_outdir)/usbdevfs_ioctl_array.c
676 usbdevfs_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/usbdevfs_ioctl.sh
677 
678 $(usbdevfs_ioctl_array): $(beauty_uapi_linux_dir)/usbdevice_fs.h $(usbdevfs_ioctl_tbl)
679         $(Q)$(SHELL) '$(usbdevfs_ioctl_tbl)' $(beauty_uapi_linux_dir) > $@
680 
681 x86_arch_prctl_code_array := $(beauty_outdir)/x86_arch_prctl_code_array.c
682 x86_arch_prctl_code_tbl := $(srctree)/tools/perf/trace/beauty/x86_arch_prctl.sh
683 
684 $(x86_arch_prctl_code_array): $(beauty_x86_arch_asm_uapi_dir)/prctl.h $(x86_arch_prctl_code_tbl)
685         $(Q)$(SHELL) '$(x86_arch_prctl_code_tbl)' $(beauty_x86_arch_asm_uapi_dir) > $@
686 
687 x86_arch_irq_vectors_array := $(beauty_outdir)/x86_arch_irq_vectors_array.c
688 x86_arch_irq_vectors_tbl := $(srctree)/tools/perf/trace/beauty/tracepoints/x86_irq_vectors.sh
689 
690 $(x86_arch_irq_vectors_array): $(beauty_arch_asm_dir)/irq_vectors.h $(x86_arch_irq_vectors_tbl)
691         $(Q)$(SHELL) '$(x86_arch_irq_vectors_tbl)' $(beauty_arch_asm_dir) > $@
692 
693 x86_arch_MSRs_array := $(beauty_outdir)/x86_arch_MSRs_array.c
694 x86_arch_MSRs_tbl := $(srctree)/tools/perf/trace/beauty/tracepoints/x86_msr.sh
695 
696 $(x86_arch_MSRs_array): $(x86_arch_asm_dir)/msr-index.h $(x86_arch_MSRs_tbl)
697         $(Q)$(SHELL) '$(x86_arch_MSRs_tbl)' $(x86_arch_asm_dir) > $@
698 
699 rename_flags_array := $(beauty_outdir)/rename_flags_array.c
700 rename_flags_tbl := $(srctree)/tools/perf/trace/beauty/rename_flags.sh
701 
702 $(rename_flags_array): $(beauty_uapi_linux_dir)/fs.h $(rename_flags_tbl)
703         $(Q)$(SHELL) '$(rename_flags_tbl)' $(beauty_uapi_linux_dir) > $@
704 
705 arch_errno_name_array := $(beauty_outdir)/arch_errno_name_array.c
706 arch_errno_hdr_dir := $(srctree)/tools
707 arch_errno_tbl := $(srctree)/tools/perf/trace/beauty/arch_errno_names.sh
708 
709 $(arch_errno_name_array): $(arch_errno_tbl)
710         $(Q)$(SHELL) '$(arch_errno_tbl)' '$(patsubst -%,,$(CC))' $(arch_errno_hdr_dir) > $@
711 
712 statx_mask_array := $(beauty_outdir)/statx_mask_array.c
713 statx_mask_tbl := $(srctree)/tools/perf/trace/beauty/statx_mask.sh
714 
715 $(statx_mask_array): $(beauty_uapi_linux_dir)/stat.h $(statx_mask_tbl)
716         $(Q)$(SHELL) '$(statx_mask_tbl)' $(beauty_uapi_linux_dir) > $@
717 
718 sync_file_range_arrays := $(beauty_outdir)/sync_file_range_arrays.c
719 sync_file_range_tbls := $(srctree)/tools/perf/trace/beauty/sync_file_range.sh
720 
721 $(sync_file_range_arrays): $(beauty_uapi_linux_dir)/fs.h $(sync_file_range_tbls)
722         $(Q)$(SHELL) '$(sync_file_range_tbls)' $(beauty_uapi_linux_dir) > $@
723 
724 TESTS_CORESIGHT_DIR := $(srctree)/tools/perf/tests/shell/coresight
725 
726 tests-coresight-targets: FORCE
727         $(Q)$(MAKE) -C $(TESTS_CORESIGHT_DIR)
728 
729 tests-coresight-targets-clean:
730         $(call QUIET_CLEAN, coresight)
731         $(Q)$(MAKE) -C $(TESTS_CORESIGHT_DIR) O=$(OUTPUT) clean >/dev/null
732 
733 all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS) tests-coresight-targets
734 
735 # Create python binding output directory if not already present
736 $(shell [ -d '$(OUTPUT)python' ] || mkdir -p '$(OUTPUT)python')
737 
738 $(OUTPUT)python/perf$(PYTHON_EXTENSION_SUFFIX): util/python.c util/setup.py $(PERFLIBS)
739         $(QUIET_GEN)LDSHARED="$(CC) -pthread -shared" \
740         CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS) $(LIBS)' \
741           $(PYTHON_WORD) util/setup.py \
742           --quiet build_ext; \
743         cp $(PYTHON_EXTBUILD_LIB)perf*.so $(OUTPUT)python/
744 
745 python_perf_target:
746         @echo "Target is: $(OUTPUT)python/perf$(PYTHON_EXTENSION_SUFFIX)"
747 
748 please_set_SHELL_PATH_to_a_more_modern_shell:
749         $(Q)$$(:)
750 
751 shell_compatibility_test: please_set_SHELL_PATH_to_a_more_modern_shell
752 
753 strip: $(PROGRAMS) $(OUTPUT)perf
754         $(STRIP) $(STRIP_OPTS) $(PROGRAMS) $(OUTPUT)perf
755 
756 PERF_IN := $(OUTPUT)perf-in.o
757 export NO_JEVENTS
758 
759 build := -f $(srctree)/tools/build/Makefile.build dir=. obj
760 
761 $(PERF_IN): prepare FORCE
762         $(Q)$(MAKE) $(build)=perf
763 
764 $(LIBPMU_EVENTS_IN): FORCE prepare
765         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=pmu-events obj=pmu-events
766 
767 $(LIBPMU_EVENTS): $(LIBPMU_EVENTS_IN)
768         $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $<
769 
770 $(LIBPERF_BENCH_IN): FORCE prepare
771         $(Q)$(MAKE) $(build)=perf-bench
772 
773 $(LIBPERF_BENCH): $(LIBPERF_BENCH_IN)
774         $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $<
775 
776 $(LIBPERF_TEST_IN): FORCE prepare
777         $(Q)$(MAKE) $(build)=perf-test
778 
779 $(LIBPERF_TEST): $(LIBPERF_TEST_IN)
780         $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $<
781 
782 $(LIBPERF_UI_IN): FORCE prepare
783         $(Q)$(MAKE) $(build)=perf-ui
784 
785 $(LIBPERF_UI): $(LIBPERF_UI_IN)
786         $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $<
787 
788 $(LIBPERF_UTIL_IN): FORCE prepare
789         $(Q)$(MAKE) $(build)=perf-util
790 
791 $(LIBPERF_UTIL): $(LIBPERF_UTIL_IN)
792         $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $<
793 
794 $(OUTPUT)perf: $(PERFLIBS) $(PERF_IN)
795         $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) \
796                 $(PERF_IN) $(LIBS) -o $@
797 
798 $(GTK_IN): FORCE prepare
799         $(Q)$(MAKE) $(build)=gtk
800 
801 $(OUTPUT)libperf-gtk.so: $(GTK_IN) $(PERFLIBS)
802         $(QUIET_LINK)$(CC) -o $@ -shared $(LDFLAGS) $(filter %.o,$^) $(GTK_LIBS)
803 
804 $(OUTPUT)common-cmds.h: util/generate-cmdlist.sh command-list.txt
805 
806 $(OUTPUT)common-cmds.h: $(wildcard Documentation/perf-*.txt)
807         $(QUIET_GEN). util/generate-cmdlist.sh > $@+ && mv $@+ $@
808 
809 $(SCRIPTS) : % : %.sh
810         $(QUIET_GEN)$(INSTALL) '$@.sh' '$(OUTPUT)$@'
811 
812 $(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE
813         $(Q)$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT)
814 
815 # These can record PERF_VERSION
816 perf.spec $(SCRIPTS) \
817         : $(OUTPUT)PERF-VERSION-FILE
818 
819 .SUFFIXES:
820 
821 #
822 # If a target does not match any of the later rules then prefix it by $(OUTPUT)
823 # This makes targets like 'make O=/tmp/perf perf.o' work in a natural way.
824 #
825 ifneq ($(OUTPUT),)
826 %.o: $(OUTPUT)%.o
827         @echo "    # Redirected target $@ => $(OUTPUT)$@"
828 pmu-events/%.o: $(OUTPUT)pmu-events/%.o
829         @echo "    # Redirected target $@ => $(OUTPUT)$@"
830 util/%.o: $(OUTPUT)util/%.o
831         @echo "    # Redirected target $@ => $(OUTPUT)$@"
832 bench/%.o: $(OUTPUT)bench/%.o
833         @echo "    # Redirected target $@ => $(OUTPUT)$@"
834 tests/%.o: $(OUTPUT)tests/%.o
835         @echo "    # Redirected target $@ => $(OUTPUT)$@"
836 endif
837 
838 # These two need to be here so that when O= is not used they take precedence
839 # over the general rule for .o
840 
841 # get relative building directory (to $(OUTPUT))
842 # and '.' if it's $(OUTPUT) itself
843 __build-dir = $(subst $(OUTPUT),,$(dir $@))
844 build-dir   = $(or $(__build-dir),.)
845 
846 prepare: $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h archheaders \
847         arm64-sysreg-defs \
848         $(fs_at_flags_array) \
849         $(clone_flags_array) \
850         $(drm_ioctl_array) \
851         $(fadvise_advice_array) \
852         $(fsconfig_arrays) \
853         $(fsmount_arrays) \
854         $(fspick_arrays) \
855         $(pkey_alloc_access_rights_array) \
856         $(sndrv_pcm_ioctl_array) \
857         $(sndrv_ctl_ioctl_array) \
858         $(kcmp_type_array) \
859         $(kvm_ioctl_array) \
860         $(socket_arrays) \
861         $(sockaddr_arrays) \
862         $(vhost_virtio_ioctl_array) \
863         $(madvise_behavior_array) \
864         $(mmap_flags_array) \
865         $(mmap_prot_array) \
866         $(mremap_flags_array) \
867         $(mount_flags_array) \
868         $(move_mount_flags_array) \
869         $(perf_ioctl_array) \
870         $(prctl_option_array) \
871         $(usbdevfs_ioctl_array) \
872         $(x86_arch_irq_vectors_array) \
873         $(x86_arch_MSRs_array) \
874         $(x86_arch_prctl_code_array) \
875         $(rename_flags_array) \
876         $(arch_errno_name_array) \
877         $(statx_mask_array) \
878         $(sync_file_range_arrays) \
879         $(LIBAPI) \
880         $(LIBPERF) \
881         $(LIBSUBCMD) \
882         $(LIBSYMBOL) \
883         bpf-skel
884 
885 ifdef LIBBPF_STATIC
886 prepare: $(LIBBPF)
887 endif
888 
889 $(OUTPUT)%.o: %.c prepare FORCE
890         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
891 
892 $(OUTPUT)%.i: %.c prepare FORCE
893         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
894 
895 $(OUTPUT)%.s: %.c prepare FORCE
896         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
897 
898 $(OUTPUT)%-bison.o: %.c prepare FORCE
899         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
900 
901 $(OUTPUT)%-flex.o: %.c prepare FORCE
902         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
903 
904 $(OUTPUT)%.o: %.S prepare FORCE
905         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
906 
907 $(OUTPUT)%.i: %.S prepare FORCE
908         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
909 
910 $(OUTPUT)perf-%: %.o $(PERFLIBS)
911         $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $(LDFLAGS) $(filter %.o,$^) $(LIBS)
912 
913 ifndef NO_PERF_READ_VDSO32
914 $(OUTPUT)perf-read-vdso32: perf-read-vdso.c util/find-map.c
915         $(QUIET_CC)$(CC) -m32 $(filter -static,$(LDFLAGS)) -Wall -Werror -o $@ perf-read-vdso.c
916 endif
917 
918 ifndef NO_PERF_READ_VDSOX32
919 $(OUTPUT)perf-read-vdsox32: perf-read-vdso.c util/find-map.c
920         $(QUIET_CC)$(CC) -mx32 $(filter -static,$(LDFLAGS)) -Wall -Werror -o $@ perf-read-vdso.c
921 endif
922 
923 $(OUTPUT)dlfilters/%.o: dlfilters/%.c include/perf/perf_dlfilter.h
924         $(Q)$(MKDIR) -p $(OUTPUT)dlfilters
925         $(QUIET_CC)$(CC) -c -Iinclude $(EXTRA_CFLAGS) -o $@ -fpic $<
926 
927 .SECONDARY: $(DLFILTERS:.so=.o)
928 
929 $(OUTPUT)dlfilters/%.so: $(OUTPUT)dlfilters/%.o
930         $(QUIET_LINK)$(CC) $(EXTRA_CFLAGS) -shared -o $@ $<
931 
932 ifndef NO_JVMTI
933 LIBJVMTI_IN := $(OUTPUT)jvmti/jvmti-in.o
934 
935 $(LIBJVMTI_IN): FORCE
936         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=jvmti obj=jvmti
937 
938 $(OUTPUT)$(LIBJVMTI): $(LIBJVMTI_IN)
939         $(QUIET_LINK)$(CC) $(LDFLAGS) -shared -Wl,-soname -Wl,$(LIBJVMTI) -o $@ $<
940 endif
941 
942 $(patsubst perf-%,%.o,$(PROGRAMS)): $(wildcard */*.h)
943 
944 $(LIBAPI): FORCE | $(LIBAPI_OUTPUT)
945         $(Q)$(MAKE) -C $(LIBAPI_DIR) O=$(LIBAPI_OUTPUT) \
946                 DESTDIR=$(LIBAPI_DESTDIR) prefix= subdir= \
947                 $@ install_headers
948 
949 $(LIBAPI)-clean:
950         $(call QUIET_CLEAN, libapi)
951         $(Q)$(RM) -r -- $(LIBAPI_OUTPUT)
952 
953 $(LIBBPF): FORCE | $(LIBBPF_OUTPUT)
954         $(Q)$(MAKE) -C $(LIBBPF_DIR) FEATURES_DUMP=$(FEATURE_DUMP_EXPORT) \
955                 O= OUTPUT=$(LIBBPF_OUTPUT)/ DESTDIR=$(LIBBPF_DESTDIR) prefix= subdir= \
956                 EXTRA_CFLAGS="-fPIC" $@ install_headers
957 
958 $(LIBBPF)-clean:
959         $(call QUIET_CLEAN, libbpf)
960         $(Q)$(RM) -r -- $(LIBBPF_OUTPUT)
961 
962 $(LIBPERF): FORCE | $(LIBPERF_OUTPUT)
963         $(Q)$(MAKE) -C $(LIBPERF_DIR) O=$(LIBPERF_OUTPUT) \
964                 DESTDIR=$(LIBPERF_DESTDIR) prefix= subdir= \
965                 $@ install_headers
966 
967 $(LIBPERF)-clean:
968         $(call QUIET_CLEAN, libperf)
969         $(Q)$(RM) -r -- $(LIBPERF_OUTPUT)
970 
971 $(LIBSUBCMD): FORCE | $(LIBSUBCMD_OUTPUT)
972         $(Q)$(MAKE) -C $(LIBSUBCMD_DIR) O=$(LIBSUBCMD_OUTPUT) \
973                 DESTDIR=$(LIBSUBCMD_DESTDIR) prefix= subdir= \
974                 $@ install_headers
975 
976 $(LIBSUBCMD)-clean:
977         $(call QUIET_CLEAN, libsubcmd)
978         $(Q)$(RM) -r -- $(LIBSUBCMD_OUTPUT)
979 
980 $(LIBSYMBOL): FORCE | $(LIBSYMBOL_OUTPUT)
981         $(Q)$(MAKE) -C $(LIBSYMBOL_DIR) O=$(LIBSYMBOL_OUTPUT) \
982                 DESTDIR=$(LIBSYMBOL_DESTDIR) prefix= subdir= \
983                 $@ install_headers
984 
985 $(LIBSYMBOL)-clean:
986         $(call QUIET_CLEAN, libsymbol)
987         $(Q)$(RM) -r -- $(LIBSYMBOL_OUTPUT)
988 
989 help:
990         @echo 'Perf make targets:'
991         @echo '  doc            - make *all* documentation (see below)'
992         @echo '  man            - make manpage documentation (access with man <foo>)'
993         @echo '  html           - make html documentation'
994         @echo '  info           - make GNU info documentation (access with info <foo>)'
995         @echo '  pdf            - make pdf documentation'
996         @echo '  TAGS           - use etags to make tag information for source browsing'
997         @echo '  tags           - use ctags to make tag information for source browsing'
998         @echo '  cscope - use cscope to make interactive browsing database'
999         @echo ''
1000         @echo 'Perf install targets:'
1001         @echo '  NOTE: documentation build requires asciidoc, xmlto packages to be installed'
1002         @echo '  HINT: use "prefix" or "DESTDIR" to install to a particular'
1003         @echo '        path like "make prefix=/usr/local install install-doc"'
1004         @echo '  install        - install compiled binaries'
1005         @echo '  install-doc    - install *all* documentation'
1006         @echo '  install-man    - install manpage documentation'
1007         @echo '  install-html   - install html documentation'
1008         @echo '  install-info   - install GNU info documentation'
1009         @echo '  install-pdf    - install pdf documentation'
1010         @echo ''
1011         @echo '  quick-install-doc      - alias for quick-install-man'
1012         @echo '  quick-install-man      - install the documentation quickly'
1013         @echo '  quick-install-html     - install the html documentation quickly'
1014         @echo ''
1015         @echo 'Perf maintainer targets:'
1016         @echo '  clean                  - clean all binary objects and build output'
1017 
1018 
1019 DOC_TARGETS := doc man html info pdf
1020 
1021 INSTALL_DOC_TARGETS := $(patsubst %,install-%,$(DOC_TARGETS)) try-install-man
1022 INSTALL_DOC_TARGETS += quick-install-doc quick-install-man quick-install-html
1023 
1024 # 'make doc' should call 'make -C Documentation all'
1025 $(DOC_TARGETS):
1026         $(Q)$(MAKE) -C $(DOC_DIR) O=$(OUTPUT) $(@:doc=all) ASCIIDOC_EXTRA=$(ASCIIDOC_EXTRA)
1027 
1028 TAG_FOLDERS= . ../lib ../include
1029 TAG_FILES= ../../include/uapi/linux/perf_event.h
1030 
1031 TAGS:
1032         $(QUIET_GEN)$(RM) TAGS; \
1033         $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print -o -name '*.cpp' -print | xargs etags -a $(TAG_FILES)
1034 
1035 tags:
1036         $(QUIET_GEN)$(RM) tags; \
1037         $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print -o -name '*.cpp' -print | xargs ctags -a $(TAG_FILES)
1038 
1039 cscope:
1040         $(QUIET_GEN)$(RM) cscope*; \
1041         $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print -o -name '*.cpp' -print | xargs cscope -b $(TAG_FILES)
1042 
1043 ### Testing rules
1044 
1045 # GNU make supports exporting all variables by "export" without parameters.
1046 # However, the environment gets quite big, and some programs have problems
1047 # with that.
1048 
1049 check: $(OUTPUT)common-cmds.h
1050         if sparse; \
1051         then \
1052                 for i in *.c */*.c; \
1053                 do \
1054                         sparse $(CFLAGS) $(SPARSE_FLAGS) $$i || exit; \
1055                 done; \
1056         else \
1057                 exit 1; \
1058         fi
1059 
1060 ### Installation rules
1061 
1062 ifdef GTK2
1063 install-gtk: $(OUTPUT)libperf-gtk.so
1064         $(call QUIET_INSTALL, 'GTK UI') \
1065                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(libdir_SQ)'; \
1066                 $(INSTALL) $(OUTPUT)libperf-gtk.so '$(DESTDIR_SQ)$(libdir_SQ)'
1067 else
1068 install-gtk:
1069 endif
1070 
1071 install-tools: all install-gtk
1072         $(call QUIET_INSTALL, binaries) \
1073                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)'; \
1074                 $(INSTALL) $(OUTPUT)perf '$(DESTDIR_SQ)$(bindir_SQ)'; \
1075                 $(LN) '$(DESTDIR_SQ)$(bindir_SQ)/perf' '$(DESTDIR_SQ)$(bindir_SQ)/trace'; \
1076                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(includedir_SQ)/perf'; \
1077                 $(INSTALL) -m 644 include/perf/perf_dlfilter.h -t '$(DESTDIR_SQ)$(includedir_SQ)/perf'
1078 ifndef NO_PERF_READ_VDSO32
1079         $(call QUIET_INSTALL, perf-read-vdso32) \
1080                 $(INSTALL) $(OUTPUT)perf-read-vdso32 '$(DESTDIR_SQ)$(bindir_SQ)';
1081 endif
1082 ifndef NO_PERF_READ_VDSOX32
1083         $(call QUIET_INSTALL, perf-read-vdsox32) \
1084                 $(INSTALL) $(OUTPUT)perf-read-vdsox32 '$(DESTDIR_SQ)$(bindir_SQ)';
1085 endif
1086 ifndef NO_JVMTI
1087         $(call QUIET_INSTALL, $(LIBJVMTI)) \
1088                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(libdir_SQ)'; \
1089                 $(INSTALL) $(OUTPUT)$(LIBJVMTI) '$(DESTDIR_SQ)$(libdir_SQ)';
1090 endif
1091         $(call QUIET_INSTALL, libexec) \
1092                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
1093         $(call QUIET_INSTALL, perf-archive) \
1094                 $(INSTALL) $(OUTPUT)perf-archive -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
1095         $(call QUIET_INSTALL, perf-iostat) \
1096                 $(INSTALL) $(OUTPUT)perf-iostat -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
1097 ifndef NO_LIBAUDIT
1098         $(call QUIET_INSTALL, strace/groups) \
1099                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(STRACE_GROUPS_INSTDIR_SQ)'; \
1100                 $(INSTALL) trace/strace/groups/* -m 644 -t '$(DESTDIR_SQ)$(STRACE_GROUPS_INSTDIR_SQ)'
1101 endif
1102 ifndef NO_LIBPERL
1103         $(call QUIET_INSTALL, perl-scripts) \
1104                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'; \
1105                 $(INSTALL) scripts/perl/Perf-Trace-Util/lib/Perf/Trace/* -m 644 -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'; \
1106                 $(INSTALL) scripts/perl/*.pl -m 644 -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl'; \
1107                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin'; \
1108                 $(INSTALL) scripts/perl/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin'
1109 endif
1110 ifndef NO_LIBPYTHON
1111         $(call QUIET_INSTALL, python-scripts) \
1112                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace'; \
1113                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin'; \
1114                 $(INSTALL) scripts/python/Perf-Trace-Util/lib/Perf/Trace/* -m 644 -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace'; \
1115                 $(INSTALL) scripts/python/*.py -m 644 -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python'; \
1116                 $(INSTALL) scripts/python/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin'
1117 endif
1118         $(call QUIET_INSTALL, dlfilters) \
1119                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/dlfilters'; \
1120                 $(INSTALL) $(DLFILTERS) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/dlfilters';
1121         $(call QUIET_INSTALL, perf_completion-script) \
1122                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d'; \
1123                 $(INSTALL) perf-completion.sh -m 644 '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d/perf'
1124         $(call QUIET_INSTALL, perf-tip) \
1125                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(tip_instdir_SQ)'; \
1126                 $(INSTALL) Documentation/tips.txt -m 644 -t '$(DESTDIR_SQ)$(tip_instdir_SQ)'
1127 
1128 install-tests: all install-gtk
1129         $(call QUIET_INSTALL, tests) \
1130                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
1131                 $(INSTALL) tests/attr.py -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
1132                 $(INSTALL) tests/pe-file.exe* '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
1133                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr'; \
1134                 $(INSTALL) tests/attr/* -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr'; \
1135                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell'; \
1136                 $(INSTALL) tests/shell/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell'; \
1137                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
1138                 $(INSTALL) tests/shell/lib/*.sh -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
1139                 $(INSTALL) tests/shell/lib/*.py -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
1140                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/common'; \
1141                 $(INSTALL) tests/shell/common/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/common'; \
1142                 $(INSTALL) tests/shell/common/*.pl '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/common'; \
1143                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/base_probe'; \
1144                 $(INSTALL) tests/shell/base_probe/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/base_probe'; \
1145                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/base_report'; \
1146                 $(INSTALL) tests/shell/base_probe/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/base_report'; \
1147                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/coresight' ; \
1148                 $(INSTALL) tests/shell/coresight/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/coresight'
1149         $(Q)$(MAKE) -C tests/shell/coresight install-tests
1150 
1151 install-bin: install-tools install-tests
1152 
1153 install: install-bin try-install-man
1154 
1155 install-python_ext:
1156         $(PYTHON_WORD) util/setup.py --quiet install --root='/$(DESTDIR_SQ)'
1157 
1158 # 'make install-doc' should call 'make -C Documentation install'
1159 $(INSTALL_DOC_TARGETS):
1160         $(Q)$(MAKE) -C $(DOC_DIR) O=$(OUTPUT) $(@:-doc=) ASCIIDOC_EXTRA=$(ASCIIDOC_EXTRA) subdir=
1161 
1162 ### Cleaning rules
1163 
1164 python-clean:
1165         $(python-clean)
1166 
1167 SKEL_OUT := $(abspath $(OUTPUT)util/bpf_skel)
1168 SKEL_TMP_OUT := $(abspath $(SKEL_OUT)/.tmp)
1169 SKELETONS := $(SKEL_OUT)/bpf_prog_profiler.skel.h
1170 SKELETONS += $(SKEL_OUT)/bperf_leader.skel.h $(SKEL_OUT)/bperf_follower.skel.h
1171 SKELETONS += $(SKEL_OUT)/bperf_cgroup.skel.h $(SKEL_OUT)/func_latency.skel.h
1172 SKELETONS += $(SKEL_OUT)/off_cpu.skel.h $(SKEL_OUT)/lock_contention.skel.h
1173 SKELETONS += $(SKEL_OUT)/kwork_trace.skel.h $(SKEL_OUT)/sample_filter.skel.h
1174 SKELETONS += $(SKEL_OUT)/kwork_top.skel.h
1175 SKELETONS += $(SKEL_OUT)/bench_uprobe.skel.h
1176 SKELETONS += $(SKEL_OUT)/augmented_raw_syscalls.skel.h
1177 
1178 $(SKEL_TMP_OUT) $(LIBAPI_OUTPUT) $(LIBBPF_OUTPUT) $(LIBPERF_OUTPUT) $(LIBSUBCMD_OUTPUT) $(LIBSYMBOL_OUTPUT):
1179         $(Q)$(MKDIR) -p $@
1180 
1181 ifeq ($(CONFIG_PERF_BPF_SKEL),y)
1182 BPFTOOL := $(SKEL_TMP_OUT)/bootstrap/bpftool
1183 # Get Clang's default includes on this system, as opposed to those seen by
1184 # '--target=bpf'. This fixes "missing" files on some architectures/distros,
1185 # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc.
1186 #
1187 # Use '-idirafter': Don't interfere with include mechanics except where the
1188 # build would have failed anyways.
1189 define get_sys_includes
1190 $(shell $(1) $(2) -v -E - </dev/null 2>&1 \
1191        | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \
1192 $(shell $(1) $(2) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}')
1193 endef
1194 
1195 ifneq ($(CROSS_COMPILE),)
1196 CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%))
1197 endif
1198 
1199 CLANG_OPTIONS = -Wall
1200 CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH))
1201 BPF_INCLUDE := -I$(SKEL_TMP_OUT)/.. -I$(LIBBPF_INCLUDE) $(CLANG_SYS_INCLUDES)
1202 TOOLS_UAPI_INCLUDE := -I$(srctree)/tools/include/uapi
1203 
1204 ifneq ($(WERROR),0)
1205   CLANG_OPTIONS += -Werror
1206 endif
1207 
1208 $(BPFTOOL): | $(SKEL_TMP_OUT)
1209         $(Q)CFLAGS= $(MAKE) -C ../bpf/bpftool \
1210                 OUTPUT=$(SKEL_TMP_OUT)/ bootstrap
1211 
1212 # Paths to search for a kernel to generate vmlinux.h from.
1213 VMLINUX_BTF_ELF_PATHS ?= $(if $(O),$(O)/vmlinux)                        \
1214                      $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux)    \
1215                      ../../vmlinux                                      \
1216                      /boot/vmlinux-$(shell uname -r)
1217 
1218 # Paths to BTF information.
1219 VMLINUX_BTF_BTF_PATHS ?= /sys/kernel/btf/vmlinux
1220 
1221 # Filter out kernels that don't exist or without a BTF section.
1222 VMLINUX_BTF_ELF_ABSPATHS ?= $(abspath $(wildcard $(VMLINUX_BTF_ELF_PATHS)))
1223 VMLINUX_BTF_PATHS ?= $(shell for file in $(VMLINUX_BTF_ELF_ABSPATHS); \
1224                         do \
1225                                 if [ -f $$file ] && ($(READELF) -S "$$file" | grep -q .BTF); \
1226                                 then \
1227                                         echo "$$file"; \
1228                                 fi; \
1229                         done) \
1230                         $(wildcard $(VMLINUX_BTF_BTF_PATHS))
1231 
1232 # Select the first as the source of vmlinux.h.
1233 VMLINUX_BTF ?= $(firstword $(VMLINUX_BTF_PATHS))
1234 
1235 ifeq ($(VMLINUX_H),)
1236   ifeq ($(VMLINUX_BTF),)
1237     $(error Missing bpftool input for generating vmlinux.h)
1238   endif
1239 endif
1240 
1241 $(SKEL_OUT)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) $(VMLINUX_H)
1242 ifeq ($(VMLINUX_H),)
1243         $(QUIET_GEN)$(BPFTOOL) btf dump file $< format c > $@
1244 else
1245         $(Q)cp "$(VMLINUX_H)" $@
1246 endif
1247 
1248 $(SKEL_TMP_OUT)/%.bpf.o: util/bpf_skel/%.bpf.c $(LIBBPF) $(SKEL_OUT)/vmlinux.h | $(SKEL_TMP_OUT)
1249         $(QUIET_CLANG)$(CLANG) -g -O2 --target=bpf $(CLANG_OPTIONS) $(BPF_INCLUDE) $(TOOLS_UAPI_INCLUDE) \
1250           -c $(filter util/bpf_skel/%.bpf.c,$^) -o $@
1251 
1252 $(SKEL_OUT)/%.skel.h: $(SKEL_TMP_OUT)/%.bpf.o | $(BPFTOOL)
1253         $(QUIET_GENSKEL)$(BPFTOOL) gen skeleton $< > $@
1254 
1255 bpf-skel: $(SKELETONS)
1256 
1257 .PRECIOUS: $(SKEL_TMP_OUT)/%.bpf.o
1258 
1259 else # CONFIG_PERF_BPF_SKEL
1260 
1261 bpf-skel:
1262 
1263 endif # CONFIG_PERF_BPF_SKEL
1264 
1265 bpf-skel-clean:
1266         $(call QUIET_CLEAN, bpf-skel) $(RM) -r $(SKEL_TMP_OUT) $(SKELETONS) $(SKEL_OUT)/vmlinux.h
1267 
1268 clean:: $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean $(LIBSYMBOL)-clean $(LIBPERF)-clean \
1269                 arm64-sysreg-defs-clean fixdep-clean python-clean bpf-skel-clean \
1270                 tests-coresight-targets-clean
1271         $(call QUIET_CLEAN, core-objs)  $(RM) $(LIBPERF_A) $(OUTPUT)perf-archive \
1272                 $(OUTPUT)perf-iostat $(LANG_BINDINGS)
1273         $(Q)find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '*.a' -delete -o \
1274                 -name '\.*.cmd' -delete -o -name '\.*.d' -delete -o -name '*.shellcheck_log' -delete
1275         $(Q)$(RM) $(OUTPUT).config-detected
1276         $(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 \
1277                 perf-read-vdsox32 $(OUTPUT)$(LIBJVMTI).so
1278         $(call QUIET_CLEAN, core-gen)   $(RM)  *.spec *.pyc *.pyo */*.pyc */*.pyo \
1279                 $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE \
1280                 $(OUTPUT)FEATURE-DUMP $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex* \
1281                 $(OUTPUT)util/intel-pt-decoder/inat-tables.c \
1282                 $(OUTPUT)tests/llvm-src-{base,kbuild,prologue,relocation}.c \
1283                 $(OUTPUT)pmu-events/pmu-events.c \
1284                 $(OUTPUT)pmu-events/test-empty-pmu-events.c \
1285                 $(OUTPUT)pmu-events/empty-pmu-events.log \
1286                 $(OUTPUT)pmu-events/metric_test.log \
1287                 $(OUTPUT)$(fadvise_advice_array) \
1288                 $(OUTPUT)$(fsconfig_arrays) \
1289                 $(OUTPUT)$(fsmount_arrays) \
1290                 $(OUTPUT)$(fspick_arrays) \
1291                 $(OUTPUT)$(madvise_behavior_array) \
1292                 $(OUTPUT)$(mmap_flags_array) \
1293                 $(OUTPUT)$(mmap_prot_array) \
1294                 $(OUTPUT)$(mremap_flags_array) \
1295                 $(OUTPUT)$(mount_flags_array) \
1296                 $(OUTPUT)$(move_mount_flags_array) \
1297                 $(OUTPUT)$(drm_ioctl_array) \
1298                 $(OUTPUT)$(pkey_alloc_access_rights_array) \
1299                 $(OUTPUT)$(sndrv_ctl_ioctl_array) \
1300                 $(OUTPUT)$(sndrv_pcm_ioctl_array) \
1301                 $(OUTPUT)$(kvm_ioctl_array) \
1302                 $(OUTPUT)$(kcmp_type_array) \
1303                 $(OUTPUT)$(socket_arrays) \
1304                 $(OUTPUT)$(sockaddr_arrays) \
1305                 $(OUTPUT)$(vhost_virtio_ioctl_array) \
1306                 $(OUTPUT)$(perf_ioctl_array) \
1307                 $(OUTPUT)$(prctl_option_array) \
1308                 $(OUTPUT)$(usbdevfs_ioctl_array) \
1309                 $(OUTPUT)$(x86_arch_irq_vectors_array) \
1310                 $(OUTPUT)$(x86_arch_MSRs_array) \
1311                 $(OUTPUT)$(x86_arch_prctl_code_array) \
1312                 $(OUTPUT)$(rename_flags_array) \
1313                 $(OUTPUT)$(arch_errno_name_array) \
1314                 $(OUTPUT)$(sync_file_range_arrays)
1315         $(call QUIET_CLEAN, Documentation) \
1316         $(MAKE) -C $(DOC_DIR) O=$(OUTPUT) clean >/dev/null
1317 
1318 #
1319 # To provide FEATURE-DUMP into $(FEATURE_DUMP_COPY)
1320 # file if defined, with no further action.
1321 feature-dump:
1322 ifdef FEATURE_DUMP_COPY
1323         @cp $(OUTPUT)FEATURE-DUMP $(FEATURE_DUMP_COPY)
1324         @echo "FEATURE-DUMP file copied into $(FEATURE_DUMP_COPY)"
1325 else
1326         @echo "FEATURE-DUMP file available in $(OUTPUT)FEATURE-DUMP"
1327 endif
1328 
1329 
1330 FORCE:
1331 
1332 .PHONY: all install clean config-clean strip install-gtk
1333 .PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
1334 .PHONY: .FORCE-PERF-VERSION-FILE TAGS tags cscope FORCE prepare
1335 .PHONY: archheaders python_perf_target
1336 
1337 endif # force_fixdep
1338 
1339 # Delete partially updated (corrupted) files on error
1340 .DELETE_ON_ERROR:

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