1 # SPDX-License-Identifier: GPL-2.0-only
4 src-perf := $(srctree)/tools/perf
12 obj-perf := $(abspath $(obj-perf))/
15 $(shell printf "" > $(OUTPUT).config-detected)
16 detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
17 detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
19 CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
21 include $(srctree)/tools/scripts/Makefile.arch
23 $(call detected_var,SRCARCH)
27 ifneq ($(NO_SYSCALL_TABLE),1)
31 ifeq (${IS_64_BIT}, 1)
35 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips))
40 ifneq ($(NO_SYSCALL_TABLE),1)
41 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
45 # Additional ARCH settings for ppc
46 ifeq ($(SRCARCH),powerpc)
48 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
49 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
52 # Additional ARCH settings for x86
54 $(call detected,CONFIG_X86)
55 ifeq (${IS_64_BIT}, 1)
56 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
57 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
58 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
59 $(call detected,CONFIG_X86_64)
61 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
68 LIBUNWIND_LIBS = -lunwind -lunwind-arm
71 ifeq ($(SRCARCH),arm64)
73 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
74 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
77 ifeq ($(SRCARCH),riscv)
81 ifeq ($(SRCARCH),csky)
87 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
92 CFLAGS += -I$(OUTPUT)arch/mips/include/generated
93 LIBUNWIND_LIBS = -lunwind -lunwind-mips
96 ifeq ($(NO_PERF_REGS),0)
97 $(call detected,CONFIG_PERF_REGS)
100 # So far there's only x86 and arm libdw unwind support merged in perf.
101 # Disable it on all other architectures in case libdw unwind
102 # support is detected in system. Add supported architectures
104 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
105 NO_LIBDW_DWARF_UNWIND := 1
108 ifeq ($(LIBUNWIND_LIBS),)
112 # For linking with debug library, run like:
114 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
117 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
118 define libunwind_arch_set_flags_code
119 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
120 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
124 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
125 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
126 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
127 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
130 # Set per-feature check compilation flags
131 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
132 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
133 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
134 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
136 FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
137 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
138 FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
139 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
141 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
144 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
146 OPENCSDLIBS := -lopencsd_c_api -lopencsd
148 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
150 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
151 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
153 ifeq ($(NO_PERF_REGS),0)
154 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
157 # for linking with debug library, run like:
158 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
160 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
161 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
164 ifeq ($(findstring -static,${LDFLAGS}),-static)
165 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
167 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
168 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
170 # for linking with debug library, run like:
171 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
172 ifdef LIBBABELTRACE_DIR
173 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
174 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
176 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
177 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
180 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
181 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
183 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
184 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
186 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
187 # include ARCH specific config
188 -include $(src-perf)/arch/$(SRCARCH)/Makefile
190 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
191 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
194 include $(srctree)/tools/scripts/utilities.mak
196 ifeq ($(call get-executable,$(FLEX)),)
197 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
200 ifeq ($(call get-executable,$(BISON)),)
201 dummy := $(error Error: $(BISON) is missing on this system, please install it)
205 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
206 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
210 # Treat warnings as errors unless directed not to
212 CORE_CFLAGS += -Werror
221 ifeq ($(CC_NO_CLANG), 0)
229 PARSER_DEBUG_BISON := -t
230 PARSER_DEBUG_FLEX := -d
231 CFLAGS += -DPARSER_DEBUG
232 $(call detected_var,PARSER_DEBUG_BISON)
233 $(call detected_var,PARSER_DEBUG_FLEX)
236 # Try different combinations to accommodate systems that only have
237 # python[2][-config] in weird combinations but always preferring
238 # python2 and python2-config as per pep-0394. If python2 or python
239 # aren't found, then python3 is used.
240 PYTHON_AUTO := python
241 PYTHON_AUTO := $(if $(call get-executable,python3),python3,$(PYTHON_AUTO))
242 PYTHON_AUTO := $(if $(call get-executable,python),python,$(PYTHON_AUTO))
243 PYTHON_AUTO := $(if $(call get-executable,python2),python2,$(PYTHON_AUTO))
244 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON_AUTO))
245 PYTHON_AUTO_CONFIG := \
246 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
247 override PYTHON_CONFIG := \
248 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO_CONFIG))
250 grep-libs = $(filter -l%,$(1))
251 strip-libs = $(filter-out -l%,$(1))
253 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
255 # Python 3.8 changed the output of `python-config --ldflags` to not include the
256 # '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
257 # libpython fails if that flag is not included in LDFLAGS
258 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
259 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
261 PYTHON_CONFIG_LDFLAGS := --ldflags
265 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
266 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
267 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
268 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
269 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
272 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
273 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
274 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
275 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
277 FEATURE_CHECK_LDFLAGS-libaio = -lrt
279 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
281 CORE_CFLAGS += -fno-omit-frame-pointer
282 CORE_CFLAGS += -ggdb3
283 CORE_CFLAGS += -funwind-tables
285 CORE_CFLAGS += -Wextra
286 CORE_CFLAGS += -std=gnu99
288 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
290 CXXFLAGS += -fno-omit-frame-pointer
292 CXXFLAGS += -funwind-tables
293 CXXFLAGS += -Wno-strict-aliasing
295 # Enforce a non-executable stack, as we may regress (again) in the future by
296 # adding assembler files missing the .GNU-stack linker note.
297 LDFLAGS += -Wl,-z,noexecstack
299 EXTLIBS = -lpthread -lrt -lm -ldl
302 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
303 EXTLIBS += -ltcmalloc
306 ifeq ($(FEATURES_DUMP),)
307 # We will display at the end of this Makefile.config, using $(call feature_display_entries)
308 # As we may retry some feature detection here, see the disassembler-four-args case, for instance
309 FEATURE_DISPLAY_DEFERRED := 1
310 include $(srctree)/tools/build/Makefile.feature
312 include $(FEATURES_DUMP)
315 ifeq ($(feature-stackprotector-all), 1)
316 CORE_CFLAGS += -fstack-protector-all
320 ifeq ($(feature-fortify-source), 1)
321 CORE_CFLAGS += -D_FORTIFY_SOURCE=2
325 INC_FLAGS += -I$(srctree)/tools/lib/perf/include
326 INC_FLAGS += -I$(src-perf)/util/include
327 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
328 INC_FLAGS += -I$(srctree)/tools/include/
329 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
330 INC_FLAGS += -I$(srctree)/tools/include/uapi
331 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
332 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
334 # $(obj-perf) for generated common-cmds.h
335 # $(obj-perf)/util for generated bison/flex headers
337 INC_FLAGS += -I$(obj-perf)/util
338 INC_FLAGS += -I$(obj-perf)
341 INC_FLAGS += -I$(src-perf)/util
342 INC_FLAGS += -I$(src-perf)
343 INC_FLAGS += -I$(srctree)/tools/lib/
345 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
347 CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
348 CXXFLAGS += $(INC_FLAGS)
350 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
352 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
353 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
356 ifeq ($(feature-pthread-barrier), 1)
357 CFLAGS += -DHAVE_PTHREAD_BARRIER
361 $(call feature_check,bionic)
362 ifeq ($(feature-bionic), 1)
364 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
365 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
366 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
367 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
371 ifeq ($(feature-eventfd), 1)
372 CFLAGS += -DHAVE_EVENTFD_SUPPORT
375 ifeq ($(feature-get_current_dir_name), 1)
376 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
379 ifeq ($(feature-gettid), 1)
380 CFLAGS += -DHAVE_GETTID
383 ifeq ($(feature-file-handle), 1)
384 CFLAGS += -DHAVE_FILE_HANDLE
391 NO_LIBDW_DWARF_UNWIND := 1
395 ifeq ($(feature-libelf), 0)
396 ifeq ($(feature-glibc), 1)
402 ifeq ($(LIBC_SUPPORT),1)
403 msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
409 NO_LIBDW_DWARF_UNWIND := 1
413 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
414 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
415 msg := $(error No libasan found, please install libasan);
419 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
420 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
421 msg := $(error No libubsan found, please install libubsan);
425 ifneq ($(filter s% -static%,$(LDFLAGS),),)
426 msg := $(error No static glibc found, please install glibc-static);
428 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
432 ifndef NO_LIBDW_DWARF_UNWIND
433 ifneq ($(feature-libdw-dwarf-unwind),1)
434 NO_LIBDW_DWARF_UNWIND := 1
435 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
438 ifneq ($(feature-dwarf), 1)
440 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
444 ifneq ($(feature-dwarf_getlocations), 1)
445 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
447 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
448 endif # dwarf_getlocations
449 endif # Dwarf support
450 endif # libelf support
453 ifeq ($(feature-glibc), 1)
454 CFLAGS += -DHAVE_GLIBC_SUPPORT
457 ifeq ($(feature-libaio), 1)
459 CFLAGS += -DHAVE_AIO_SUPPORT
464 NO_LIBDW_DWARF_UNWIND := 1
467 ifeq ($(feature-sched_getcpu), 1)
468 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
471 ifeq ($(feature-setns), 1)
472 CFLAGS += -DHAVE_SETNS_SUPPORT
473 $(call detected,CONFIG_SETNS)
477 $(call feature_check,libopencsd)
478 ifeq ($(feature-libopencsd), 1)
479 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
480 ifeq ($(feature-reallocarray), 0)
481 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
483 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
484 EXTLIBS += $(OPENCSDLIBS)
485 $(call detected,CONFIG_LIBOPENCSD)
487 CFLAGS += -DCS_DEBUG_RAW
488 ifeq (${CSTRACE_RAW}, packed)
489 CFLAGS += -DCS_RAW_PACKED
496 CFLAGS += -DHAVE_LIBELF_SUPPORT
498 $(call detected,CONFIG_LIBELF)
500 ifeq ($(feature-libelf-getphdrnum), 1)
501 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
504 ifeq ($(feature-libelf-gelf_getnote), 1)
505 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
507 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
510 ifeq ($(feature-libelf-getshdrstrndx), 1)
511 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
514 ifndef NO_LIBDEBUGINFOD
515 $(call feature_check,libdebuginfod)
516 ifeq ($(feature-libdebuginfod), 1)
517 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
518 EXTLIBS += -ldebuginfod
523 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
524 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
527 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
528 LDFLAGS += $(LIBDW_LDFLAGS)
529 EXTLIBS += ${DWARFLIBS}
530 $(call detected,CONFIG_DWARF)
531 endif # PERF_HAVE_DWARF_REGS
535 ifeq ($(feature-bpf), 1)
536 CFLAGS += -DHAVE_LIBBPF_SUPPORT
537 $(call detected,CONFIG_LIBBPF)
539 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
540 $(call feature_check,libbpf)
542 ifeq ($(feature-libbpf), 1)
544 $(call detected,CONFIG_LIBBPF_DYNAMIC)
546 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
552 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
553 CFLAGS += -DHAVE_BPF_PROLOGUE
554 $(call detected,CONFIG_BPF_PROLOGUE)
556 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
559 msg := $(warning DWARF support is off, BPF prologue is disabled);
566 ifneq ($(feature-sdt), 1)
567 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
570 CFLAGS += -DHAVE_SDT_EVENT
571 $(call detected,CONFIG_SDT_EVENT)
575 ifdef PERF_HAVE_JITDUMP
577 $(call detected,CONFIG_JITDUMP)
578 CFLAGS += -DHAVE_JITDUMP
582 ifeq ($(SRCARCH),powerpc)
584 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
591 $(call feature_check,libunwind-x86)
592 ifeq ($(feature-libunwind-x86), 1)
593 $(call detected,CONFIG_LIBUNWIND_X86)
594 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
595 LDFLAGS += -lunwind-x86
596 EXTLIBS_LIBUNWIND += -lunwind-x86
600 $(call feature_check,libunwind-aarch64)
601 ifeq ($(feature-libunwind-aarch64), 1)
602 $(call detected,CONFIG_LIBUNWIND_AARCH64)
603 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
604 LDFLAGS += -lunwind-aarch64
605 EXTLIBS_LIBUNWIND += -lunwind-aarch64
607 $(call feature_check,libunwind-debug-frame-aarch64)
608 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
609 msg := $(warning No debug_frame support found in libunwind-aarch64);
610 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
614 ifneq ($(feature-libunwind), 1)
615 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
616 NO_LOCAL_LIBUNWIND := 1
619 $(call detected,CONFIG_LOCAL_LIBUNWIND)
622 ifneq ($(have_libunwind), 1)
626 NO_LOCAL_LIBUNWIND := 1
630 ifneq ($(feature-bpf), 1)
631 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
637 $(call feature_check,clang-bpf-co-re)
638 ifeq ($(feature-clang-bpf-co-re), 0)
639 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
641 $(call detected,CONFIG_PERF_BPF_SKEL)
642 CFLAGS += -DHAVE_BPF_SKEL
645 dwarf-post-unwind := 1
646 dwarf-post-unwind-text := BUG
648 # setup DWARF post unwinder
650 ifdef NO_LIBDW_DWARF_UNWIND
651 msg := $(warning Disabling post unwind, no support found.);
652 dwarf-post-unwind := 0
654 dwarf-post-unwind-text := libdw
655 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
658 dwarf-post-unwind-text := libunwind
659 $(call detected,CONFIG_LIBUNWIND)
660 # Enable libunwind support by default.
661 ifndef NO_LIBDW_DWARF_UNWIND
662 NO_LIBDW_DWARF_UNWIND := 1
666 ifeq ($(dwarf-post-unwind),1)
667 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
668 $(call detected,CONFIG_DWARF_UNWIND)
673 ifndef NO_LOCAL_LIBUNWIND
674 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
675 $(call feature_check,libunwind-debug-frame)
676 ifneq ($(feature-libunwind-debug-frame), 1)
677 msg := $(warning No debug_frame support found in libunwind);
678 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
681 # non-ARM has no dwarf_find_debug_frame() function:
682 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
684 EXTLIBS += $(LIBUNWIND_LIBS)
685 LDFLAGS += $(LIBUNWIND_LIBS)
687 ifeq ($(findstring -static,${LDFLAGS}),-static)
688 # gcc -static links libgcc_eh which contans piece of libunwind
689 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
693 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
694 CFLAGS += $(LIBUNWIND_CFLAGS)
695 LDFLAGS += $(LIBUNWIND_LDFLAGS)
696 EXTLIBS += $(EXTLIBS_LIBUNWIND)
699 ifeq ($(NO_SYSCALL_TABLE),0)
700 $(call detected,CONFIG_TRACE)
703 $(call feature_check,libaudit)
704 ifneq ($(feature-libaudit), 1)
705 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
708 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
710 $(call detected,CONFIG_TRACE)
716 ifneq ($(feature-libcrypto), 1)
717 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
720 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
722 $(call detected,CONFIG_CRYPTO)
731 ifneq ($(feature-libslang), 1)
732 ifneq ($(feature-libslang-include-subdir), 1)
733 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
736 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
740 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
741 CFLAGS += -DHAVE_SLANG_SUPPORT
743 $(call detected,CONFIG_SLANG)
748 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
749 $(call feature_check,gtk2)
750 ifneq ($(feature-gtk2), 1)
751 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
754 $(call feature_check,gtk2-infobar)
755 ifeq ($(feature-gtk2-infobar), 1)
756 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
758 CFLAGS += -DHAVE_GTK2_SUPPORT
759 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
760 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
766 CFLAGS += -DNO_LIBPERL
768 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
769 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
770 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
771 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
772 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
773 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
774 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
775 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
777 ifneq ($(feature-libperl), 1)
778 CFLAGS += -DNO_LIBPERL
780 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
782 LDFLAGS += $(PERL_EMBED_LDFLAGS)
783 EXTLIBS += $(PERL_EMBED_LIBADD)
784 CFLAGS += -DHAVE_LIBPERL_SUPPORT
785 $(call detected,CONFIG_LIBPERL)
789 ifeq ($(feature-timerfd), 1)
790 CFLAGS += -DHAVE_TIMERFD_SUPPORT
792 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
795 disable-python = $(eval $(disable-python_code))
796 define disable-python_code
797 CFLAGS += -DNO_LIBPYTHON
803 $(call disable-python,Python support disabled by user)
807 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
809 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
812 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
815 ifneq ($(feature-libpython), 1)
816 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
818 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
819 EXTLIBS += $(PYTHON_EMBED_LIBADD)
820 LANG_BINDINGS += $(obj-perf)python/perf.so
821 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
822 $(call detected,CONFIG_LIBPYTHON)
828 ifeq ($(feature-libbfd), 1)
829 EXTLIBS += -lbfd -lopcodes
831 # we are on a system that requires -liberty and (maybe) -lz
832 # to link against -lbfd; test each case individually here
834 # call all detections now so we get correct
835 # status in VF output
836 $(call feature_check,libbfd-liberty)
837 $(call feature_check,libbfd-liberty-z)
839 ifeq ($(feature-libbfd-liberty), 1)
840 EXTLIBS += -lbfd -lopcodes -liberty
841 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
843 ifeq ($(feature-libbfd-liberty-z), 1)
844 EXTLIBS += -lbfd -lopcodes -liberty -lz
845 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
848 $(call feature_check,disassembler-four-args)
851 ifeq ($(feature-libbfd-buildid), 1)
852 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
854 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
858 CFLAGS += -DNO_DEMANGLE
860 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
863 ifeq ($(filter -liberty,$(EXTLIBS)),)
864 $(call feature_check,cplus-demangle)
866 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
867 # or any of 'bfd iberty z' trinity
868 ifeq ($(feature-cplus-demangle), 1)
871 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
872 CFLAGS += -DNO_DEMANGLE
877 ifneq ($(filter -liberty,$(EXTLIBS)),)
878 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
882 ifneq ($(filter -lbfd,$(EXTLIBS)),)
883 CFLAGS += -DHAVE_LIBBFD_SUPPORT
887 ifeq ($(feature-zlib), 1)
888 CFLAGS += -DHAVE_ZLIB_SUPPORT
890 $(call detected,CONFIG_ZLIB)
897 ifeq ($(feature-lzma), 1)
898 CFLAGS += -DHAVE_LZMA_SUPPORT
900 $(call detected,CONFIG_LZMA)
902 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
908 ifeq ($(feature-libzstd), 1)
909 CFLAGS += -DHAVE_ZSTD_SUPPORT
910 CFLAGS += $(LIBZSTD_CFLAGS)
911 LDFLAGS += $(LIBZSTD_LDFLAGS)
913 $(call detected,CONFIG_ZSTD)
915 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
921 ifeq ($(feature-libcap), 1)
922 CFLAGS += -DHAVE_LIBCAP_SUPPORT
924 $(call detected,CONFIG_LIBCAP)
926 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
932 ifeq ($(feature-backtrace), 1)
933 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
938 ifeq ($(feature-libnuma), 0)
939 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
942 ifeq ($(feature-numa_num_possible_cpus), 0)
943 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
946 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
948 $(call detected,CONFIG_NUMA)
953 ifdef HAVE_KVM_STAT_SUPPORT
954 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
957 ifeq ($(feature-disassembler-four-args), 1)
958 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
961 ifeq (${IS_64_BIT}, 1)
962 ifndef NO_PERF_READ_VDSO32
963 $(call feature_check,compile-32)
964 ifeq ($(feature-compile-32), 1)
965 CFLAGS += -DHAVE_PERF_READ_VDSO32
967 NO_PERF_READ_VDSO32 := 1
970 ifneq ($(SRCARCH), x86)
971 NO_PERF_READ_VDSOX32 := 1
973 ifndef NO_PERF_READ_VDSOX32
974 $(call feature_check,compile-x32)
975 ifeq ($(feature-compile-x32), 1)
976 CFLAGS += -DHAVE_PERF_READ_VDSOX32
978 NO_PERF_READ_VDSOX32 := 1
982 NO_PERF_READ_VDSO32 := 1
983 NO_PERF_READ_VDSOX32 := 1
986 ifndef NO_LIBBABELTRACE
987 $(call feature_check,libbabeltrace)
988 ifeq ($(feature-libbabeltrace), 1)
989 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
990 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
991 EXTLIBS += -lbabeltrace-ctf
992 $(call detected,CONFIG_LIBBABELTRACE)
994 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
999 ifeq ($(SRCARCH),x86)
1000 ifeq ($(feature-get_cpuid), 0)
1001 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1006 $(call detected,CONFIG_AUXTRACE)
1007 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1012 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1013 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1015 ifneq (,$(wildcard /usr/sbin/alternatives))
1016 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1020 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1026 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1027 $(call feature_check,jvmti)
1028 ifeq ($(feature-jvmti), 1)
1029 $(call detected_var,JDIR)
1030 ifndef NO_JVMTI_CMLR
1031 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1032 $(call feature_check,jvmti-cmlr)
1033 ifeq ($(feature-jvmti-cmlr), 1)
1034 CFLAGS += -DHAVE_JVMTI_CMLR
1036 endif # NO_JVMTI_CMLR
1038 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1046 $(call feature_check,cxx)
1047 ifneq ($(feature-cxx), 1)
1048 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1050 $(call feature_check,llvm)
1051 $(call feature_check,llvm-version)
1052 ifneq ($(feature-llvm), 1)
1053 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1055 $(call feature_check,clang)
1056 ifneq ($(feature-clang), 1)
1057 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1059 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1060 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1061 $(call detected,CONFIG_CXX)
1062 $(call detected,CONFIG_CLANGLLVM)
1066 ifneq ($(feature-llvm-version),1)
1067 msg := $(warning This version of LLVM is not tested. May cause build errors)
1075 $(call feature_check,libpfm4)
1076 ifeq ($(feature-libpfm4), 1)
1077 CFLAGS += -DHAVE_LIBPFM
1079 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1080 $(call detected,CONFIG_LIBPFM4)
1082 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1087 ifdef LIBTRACEEVENT_DYNAMIC
1088 $(call feature_check,libtraceevent)
1089 ifeq ($(feature-libtraceevent), 1)
1090 EXTLIBS += -ltraceevent
1092 dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1096 # Among the variables below, these:
1104 # ETC_PERFCONFIG (but not sysconfdir)
1105 # can be specified as a relative path some/where/else;
1106 # this is interpreted as relative to $(prefix) and "perf" at
1107 # runtime figures out where they are based on the path to the executable.
1108 # This can help installing the suite in a relocatable way.
1110 # Make the path relative to DESTDIR, not to prefix
1114 bindir_relative = bin
1115 bindir = $(abspath $(prefix)/$(bindir_relative))
1116 includedir_relative = include
1117 includedir = $(abspath $(prefix)/$(includedir_relative))
1119 infodir = share/info
1120 perfexecdir = libexec/perf-core
1121 perf_include_dir = lib/perf/include
1122 perf_examples_dir = lib/perf/examples
1123 sharedir = $(prefix)/share
1124 template_dir = share/perf-core/templates
1125 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1126 htmldir = share/doc/perf-doc
1127 tipdir = share/doc/perf-tip
1128 srcdir = $(srctree)/tools/perf
1129 ifeq ($(prefix),/usr)
1131 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1133 sysconfdir = $(prefix)/etc
1134 ETC_PERFCONFIG = etc/perfconfig
1137 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1143 libdir = $(prefix)/$(lib)
1145 # Shell quote (do not use $(call) to accommodate ancient setups);
1146 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1147 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1148 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1149 bindir_SQ = $(subst ','\'',$(bindir))
1150 includedir_SQ = $(subst ','\'',$(includedir))
1151 mandir_SQ = $(subst ','\'',$(mandir))
1152 infodir_SQ = $(subst ','\'',$(infodir))
1153 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1154 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1155 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1156 template_dir_SQ = $(subst ','\'',$(template_dir))
1157 htmldir_SQ = $(subst ','\'',$(htmldir))
1158 tipdir_SQ = $(subst ','\'',$(tipdir))
1159 prefix_SQ = $(subst ','\'',$(prefix))
1160 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1161 libdir_SQ = $(subst ','\'',$(libdir))
1162 srcdir_SQ = $(subst ','\'',$(srcdir))
1164 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1165 perfexec_instdir = $(perfexecdir)
1166 perf_include_instdir = $(perf_include_dir)
1167 perf_examples_instdir = $(perf_examples_dir)
1168 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1169 tip_instdir = $(tipdir)
1171 perfexec_instdir = $(prefix)/$(perfexecdir)
1172 perf_include_instdir = $(prefix)/$(perf_include_dir)
1173 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1174 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1175 tip_instdir = $(prefix)/$(tipdir)
1177 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1178 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1179 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1180 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1181 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1183 # If we install to $(HOME) we keep the traceevent default:
1184 # $(HOME)/.traceevent/plugins
1185 # Otherwise we install plugins into the global $(libdir).
1187 plugindir=$(libdir)/traceevent/plugins
1188 plugindir_SQ= $(subst ','\'',$(plugindir))
1191 print_var = $(eval $(print_var_code)) $(info $(MSG))
1192 define print_var_code
1193 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1197 # Display EXTRA features which are detected manualy
1198 # from here with feature_check call and thus cannot
1199 # be partof global state output.
1200 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1201 $(call print_var,prefix)
1202 $(call print_var,bindir)
1203 $(call print_var,libdir)
1204 $(call print_var,sysconfdir)
1205 $(call print_var,LIBUNWIND_DIR)
1206 $(call print_var,LIBDW_DIR)
1207 $(call print_var,JDIR)
1209 ifeq ($(dwarf-post-unwind),1)
1210 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1215 $(call detected_var,bindir_SQ)
1216 $(call detected_var,PYTHON_WORD)
1218 $(call detected_var,OUTPUT)
1220 $(call detected_var,htmldir_SQ)
1221 $(call detected_var,infodir_SQ)
1222 $(call detected_var,mandir_SQ)
1223 $(call detected_var,ETC_PERFCONFIG_SQ)
1224 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1225 $(call detected_var,prefix_SQ)
1226 $(call detected_var,perfexecdir_SQ)
1227 $(call detected_var,perf_include_dir_SQ)
1228 $(call detected_var,perf_examples_dir_SQ)
1229 $(call detected_var,tipdir_SQ)
1230 $(call detected_var,srcdir_SQ)
1231 $(call detected_var,LIBDIR)
1232 $(call detected_var,GTK_CFLAGS)
1233 $(call detected_var,PERL_EMBED_CCOPTS)
1234 $(call detected_var,PYTHON_EMBED_CCOPTS)
1235 ifneq ($(BISON_FILE_PREFIX_MAP),)
1236 $(call detected_var,BISON_FILE_PREFIX_MAP)
1239 # re-generate FEATURE-DUMP as we may have called feature_check, found out
1240 # extra libraries to add to LDFLAGS of some other test and then redo those
1241 # tests, see the block about libbfd, disassembler-four-args, for instance.
1242 $(shell rm -f $(FEATURE_DUMP_FILENAME))
1243 $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1245 ifeq ($(feature_display),1)
1246 $(call feature_display_entries)