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$(OUTPUT)arch/mips/include/generated
93 CFLAGS += -I../../arch/mips/include/uapi -I../../arch/mips/include/generated/uapi
94 LIBUNWIND_LIBS = -lunwind -lunwind-mips
97 ifeq ($(NO_PERF_REGS),0)
98 $(call detected,CONFIG_PERF_REGS)
101 # So far there's only x86 and arm libdw unwind support merged in perf.
102 # Disable it on all other architectures in case libdw unwind
103 # support is detected in system. Add supported architectures
105 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
106 NO_LIBDW_DWARF_UNWIND := 1
109 ifeq ($(LIBUNWIND_LIBS),)
113 # For linking with debug library, run like:
115 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
118 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
119 define libunwind_arch_set_flags_code
120 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
121 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
125 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
126 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
127 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
128 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
131 # Set per-feature check compilation flags
132 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
133 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
134 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
135 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
137 FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
138 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
139 FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
140 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
142 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
145 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
147 OPENCSDLIBS := -lopencsd_c_api -lopencsd
149 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
151 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
152 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
154 ifeq ($(NO_PERF_REGS),0)
155 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
158 # for linking with debug library, run like:
159 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
161 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
162 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
165 ifeq ($(findstring -static,${LDFLAGS}),-static)
166 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
168 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
169 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
171 # for linking with debug library, run like:
172 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
173 ifdef LIBBABELTRACE_DIR
174 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
175 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
177 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
178 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
181 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
182 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
184 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
185 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
187 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
188 # include ARCH specific config
189 -include $(src-perf)/arch/$(SRCARCH)/Makefile
191 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
192 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
195 include $(srctree)/tools/scripts/utilities.mak
197 ifeq ($(call get-executable,$(FLEX)),)
198 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
201 ifeq ($(call get-executable,$(BISON)),)
202 dummy := $(error Error: $(BISON) is missing on this system, please install it)
206 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
207 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
211 # Treat warnings as errors unless directed not to
213 CORE_CFLAGS += -Werror
222 ifeq ($(CC_NO_CLANG), 0)
230 PARSER_DEBUG_BISON := -t
231 PARSER_DEBUG_FLEX := -d
232 CFLAGS += -DPARSER_DEBUG
233 $(call detected_var,PARSER_DEBUG_BISON)
234 $(call detected_var,PARSER_DEBUG_FLEX)
237 # Try different combinations to accommodate systems that only have
238 # python[2][-config] in weird combinations but always preferring
239 # python2 and python2-config as per pep-0394. If python2 or python
240 # aren't found, then python3 is used.
241 PYTHON_AUTO := python
242 PYTHON_AUTO := $(if $(call get-executable,python3),python3,$(PYTHON_AUTO))
243 PYTHON_AUTO := $(if $(call get-executable,python),python,$(PYTHON_AUTO))
244 PYTHON_AUTO := $(if $(call get-executable,python2),python2,$(PYTHON_AUTO))
245 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON_AUTO))
246 PYTHON_AUTO_CONFIG := \
247 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
248 override PYTHON_CONFIG := \
249 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO_CONFIG))
251 grep-libs = $(filter -l%,$(1))
252 strip-libs = $(filter-out -l%,$(1))
254 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
256 # Python 3.8 changed the output of `python-config --ldflags` to not include the
257 # '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
258 # libpython fails if that flag is not included in LDFLAGS
259 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
260 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
262 PYTHON_CONFIG_LDFLAGS := --ldflags
266 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
267 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
268 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
269 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
270 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
273 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
274 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
275 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
276 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
278 FEATURE_CHECK_LDFLAGS-libaio = -lrt
280 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
282 CORE_CFLAGS += -fno-omit-frame-pointer
283 CORE_CFLAGS += -ggdb3
284 CORE_CFLAGS += -funwind-tables
286 CORE_CFLAGS += -Wextra
287 CORE_CFLAGS += -std=gnu99
289 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
291 CXXFLAGS += -fno-omit-frame-pointer
293 CXXFLAGS += -funwind-tables
294 CXXFLAGS += -Wno-strict-aliasing
296 # Enforce a non-executable stack, as we may regress (again) in the future by
297 # adding assembler files missing the .GNU-stack linker note.
298 LDFLAGS += -Wl,-z,noexecstack
300 EXTLIBS = -lpthread -lrt -lm -ldl
303 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
304 EXTLIBS += -ltcmalloc
307 ifeq ($(FEATURES_DUMP),)
308 # We will display at the end of this Makefile.config, using $(call feature_display_entries)
309 # As we may retry some feature detection here, see the disassembler-four-args case, for instance
310 FEATURE_DISPLAY_DEFERRED := 1
311 include $(srctree)/tools/build/Makefile.feature
313 include $(FEATURES_DUMP)
316 ifeq ($(feature-stackprotector-all), 1)
317 CORE_CFLAGS += -fstack-protector-all
321 ifeq ($(feature-fortify-source), 1)
322 CORE_CFLAGS += -D_FORTIFY_SOURCE=2
326 INC_FLAGS += -I$(srctree)/tools/lib/perf/include
327 INC_FLAGS += -I$(src-perf)/util/include
328 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
329 INC_FLAGS += -I$(srctree)/tools/include/
330 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
331 INC_FLAGS += -I$(srctree)/tools/include/uapi
332 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
333 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
335 # $(obj-perf) for generated common-cmds.h
336 # $(obj-perf)/util for generated bison/flex headers
338 INC_FLAGS += -I$(obj-perf)/util
339 INC_FLAGS += -I$(obj-perf)
342 INC_FLAGS += -I$(src-perf)/util
343 INC_FLAGS += -I$(src-perf)
344 INC_FLAGS += -I$(srctree)/tools/lib/
346 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
348 CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
349 CXXFLAGS += $(INC_FLAGS)
351 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
353 ifeq ($(feature-sync-compare-and-swap), 1)
354 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
357 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
358 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
361 ifeq ($(feature-pthread-barrier), 1)
362 CFLAGS += -DHAVE_PTHREAD_BARRIER
366 $(call feature_check,bionic)
367 ifeq ($(feature-bionic), 1)
369 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
370 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
371 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
372 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
376 ifeq ($(feature-eventfd), 1)
377 CFLAGS += -DHAVE_EVENTFD_SUPPORT
380 ifeq ($(feature-get_current_dir_name), 1)
381 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
384 ifeq ($(feature-gettid), 1)
385 CFLAGS += -DHAVE_GETTID
388 ifeq ($(feature-file-handle), 1)
389 CFLAGS += -DHAVE_FILE_HANDLE
396 NO_LIBDW_DWARF_UNWIND := 1
400 ifeq ($(feature-libelf), 0)
401 ifeq ($(feature-glibc), 1)
407 ifeq ($(LIBC_SUPPORT),1)
408 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);
414 NO_LIBDW_DWARF_UNWIND := 1
418 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
419 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
420 msg := $(error No libasan found, please install libasan);
424 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
425 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
426 msg := $(error No libubsan found, please install libubsan);
430 ifneq ($(filter s% -static%,$(LDFLAGS),),)
431 msg := $(error No static glibc found, please install glibc-static);
433 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
437 ifndef NO_LIBDW_DWARF_UNWIND
438 ifneq ($(feature-libdw-dwarf-unwind),1)
439 NO_LIBDW_DWARF_UNWIND := 1
440 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
443 ifneq ($(feature-dwarf), 1)
445 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);
449 ifneq ($(feature-dwarf_getlocations), 1)
450 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
452 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
453 endif # dwarf_getlocations
454 endif # Dwarf support
455 endif # libelf support
458 ifeq ($(feature-glibc), 1)
459 CFLAGS += -DHAVE_GLIBC_SUPPORT
462 ifeq ($(feature-libaio), 1)
464 CFLAGS += -DHAVE_AIO_SUPPORT
469 NO_LIBDW_DWARF_UNWIND := 1
472 ifeq ($(feature-sched_getcpu), 1)
473 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
476 ifeq ($(feature-setns), 1)
477 CFLAGS += -DHAVE_SETNS_SUPPORT
478 $(call detected,CONFIG_SETNS)
482 $(call feature_check,libopencsd)
483 ifeq ($(feature-libopencsd), 1)
484 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
485 ifeq ($(feature-reallocarray), 0)
486 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
488 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
489 EXTLIBS += $(OPENCSDLIBS)
490 $(call detected,CONFIG_LIBOPENCSD)
492 CFLAGS += -DCS_DEBUG_RAW
493 ifeq (${CSTRACE_RAW}, packed)
494 CFLAGS += -DCS_RAW_PACKED
501 CFLAGS += -DHAVE_LIBELF_SUPPORT
503 $(call detected,CONFIG_LIBELF)
505 ifeq ($(feature-libelf-getphdrnum), 1)
506 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
509 ifeq ($(feature-libelf-gelf_getnote), 1)
510 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
512 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
515 ifeq ($(feature-libelf-getshdrstrndx), 1)
516 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
519 ifndef NO_LIBDEBUGINFOD
520 $(call feature_check,libdebuginfod)
521 ifeq ($(feature-libdebuginfod), 1)
522 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
523 EXTLIBS += -ldebuginfod
528 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
529 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
532 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
533 LDFLAGS += $(LIBDW_LDFLAGS)
534 EXTLIBS += ${DWARFLIBS}
535 $(call detected,CONFIG_DWARF)
536 endif # PERF_HAVE_DWARF_REGS
540 ifeq ($(feature-bpf), 1)
541 CFLAGS += -DHAVE_LIBBPF_SUPPORT
542 $(call detected,CONFIG_LIBBPF)
544 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
545 $(call feature_check,libbpf)
547 ifeq ($(feature-libbpf), 1)
549 $(call detected,CONFIG_LIBBPF_DYNAMIC)
551 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
557 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
558 CFLAGS += -DHAVE_BPF_PROLOGUE
559 $(call detected,CONFIG_BPF_PROLOGUE)
561 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
564 msg := $(warning DWARF support is off, BPF prologue is disabled);
571 ifneq ($(feature-sdt), 1)
572 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
575 CFLAGS += -DHAVE_SDT_EVENT
576 $(call detected,CONFIG_SDT_EVENT)
580 ifdef PERF_HAVE_JITDUMP
582 $(call detected,CONFIG_JITDUMP)
583 CFLAGS += -DHAVE_JITDUMP
587 ifeq ($(SRCARCH),powerpc)
589 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
596 $(call feature_check,libunwind-x86)
597 ifeq ($(feature-libunwind-x86), 1)
598 $(call detected,CONFIG_LIBUNWIND_X86)
599 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
600 LDFLAGS += -lunwind-x86
601 EXTLIBS_LIBUNWIND += -lunwind-x86
605 $(call feature_check,libunwind-aarch64)
606 ifeq ($(feature-libunwind-aarch64), 1)
607 $(call detected,CONFIG_LIBUNWIND_AARCH64)
608 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
609 LDFLAGS += -lunwind-aarch64
610 EXTLIBS_LIBUNWIND += -lunwind-aarch64
612 $(call feature_check,libunwind-debug-frame-aarch64)
613 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
614 msg := $(warning No debug_frame support found in libunwind-aarch64);
615 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
619 ifneq ($(feature-libunwind), 1)
620 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
621 NO_LOCAL_LIBUNWIND := 1
624 $(call detected,CONFIG_LOCAL_LIBUNWIND)
627 ifneq ($(have_libunwind), 1)
631 NO_LOCAL_LIBUNWIND := 1
635 ifneq ($(feature-bpf), 1)
636 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
642 $(call feature_check,clang-bpf-co-re)
643 ifeq ($(feature-clang-bpf-co-re), 0)
644 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
646 $(call detected,CONFIG_PERF_BPF_SKEL)
647 CFLAGS += -DHAVE_BPF_SKEL
650 dwarf-post-unwind := 1
651 dwarf-post-unwind-text := BUG
653 # setup DWARF post unwinder
655 ifdef NO_LIBDW_DWARF_UNWIND
656 msg := $(warning Disabling post unwind, no support found.);
657 dwarf-post-unwind := 0
659 dwarf-post-unwind-text := libdw
660 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
663 dwarf-post-unwind-text := libunwind
664 $(call detected,CONFIG_LIBUNWIND)
665 # Enable libunwind support by default.
666 ifndef NO_LIBDW_DWARF_UNWIND
667 NO_LIBDW_DWARF_UNWIND := 1
671 ifeq ($(dwarf-post-unwind),1)
672 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
673 $(call detected,CONFIG_DWARF_UNWIND)
678 ifndef NO_LOCAL_LIBUNWIND
679 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
680 $(call feature_check,libunwind-debug-frame)
681 ifneq ($(feature-libunwind-debug-frame), 1)
682 msg := $(warning No debug_frame support found in libunwind);
683 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
686 # non-ARM has no dwarf_find_debug_frame() function:
687 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
689 EXTLIBS += $(LIBUNWIND_LIBS)
690 LDFLAGS += $(LIBUNWIND_LIBS)
692 ifeq ($(findstring -static,${LDFLAGS}),-static)
693 # gcc -static links libgcc_eh which contans piece of libunwind
694 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
698 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
699 CFLAGS += $(LIBUNWIND_CFLAGS)
700 LDFLAGS += $(LIBUNWIND_LDFLAGS)
701 EXTLIBS += $(EXTLIBS_LIBUNWIND)
704 ifeq ($(NO_SYSCALL_TABLE),0)
705 $(call detected,CONFIG_TRACE)
708 $(call feature_check,libaudit)
709 ifneq ($(feature-libaudit), 1)
710 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
713 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
715 $(call detected,CONFIG_TRACE)
721 ifneq ($(feature-libcrypto), 1)
722 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
725 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
727 $(call detected,CONFIG_CRYPTO)
736 ifneq ($(feature-libslang), 1)
737 ifneq ($(feature-libslang-include-subdir), 1)
738 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
741 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
745 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
746 CFLAGS += -DHAVE_SLANG_SUPPORT
748 $(call detected,CONFIG_SLANG)
753 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
754 $(call feature_check,gtk2)
755 ifneq ($(feature-gtk2), 1)
756 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
759 $(call feature_check,gtk2-infobar)
760 ifeq ($(feature-gtk2-infobar), 1)
761 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
763 CFLAGS += -DHAVE_GTK2_SUPPORT
764 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
765 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
771 CFLAGS += -DNO_LIBPERL
773 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
774 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
775 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
776 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
777 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
778 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
779 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
780 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
782 ifneq ($(feature-libperl), 1)
783 CFLAGS += -DNO_LIBPERL
785 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
787 LDFLAGS += $(PERL_EMBED_LDFLAGS)
788 EXTLIBS += $(PERL_EMBED_LIBADD)
789 CFLAGS += -DHAVE_LIBPERL_SUPPORT
790 $(call detected,CONFIG_LIBPERL)
794 ifeq ($(feature-timerfd), 1)
795 CFLAGS += -DHAVE_TIMERFD_SUPPORT
797 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
800 disable-python = $(eval $(disable-python_code))
801 define disable-python_code
802 CFLAGS += -DNO_LIBPYTHON
808 $(call disable-python,Python support disabled by user)
812 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
814 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
817 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
820 ifneq ($(feature-libpython), 1)
821 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
823 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
824 EXTLIBS += $(PYTHON_EMBED_LIBADD)
825 LANG_BINDINGS += $(obj-perf)python/perf.so
826 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
827 $(call detected,CONFIG_LIBPYTHON)
833 ifeq ($(feature-libbfd), 1)
834 EXTLIBS += -lbfd -lopcodes
836 # we are on a system that requires -liberty and (maybe) -lz
837 # to link against -lbfd; test each case individually here
839 # call all detections now so we get correct
840 # status in VF output
841 $(call feature_check,libbfd-liberty)
842 $(call feature_check,libbfd-liberty-z)
844 ifeq ($(feature-libbfd-liberty), 1)
845 EXTLIBS += -lbfd -lopcodes -liberty
846 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
848 ifeq ($(feature-libbfd-liberty-z), 1)
849 EXTLIBS += -lbfd -lopcodes -liberty -lz
850 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
853 $(call feature_check,disassembler-four-args)
856 ifeq ($(feature-libbfd-buildid), 1)
857 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
859 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
863 CFLAGS += -DNO_DEMANGLE
865 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
868 ifeq ($(filter -liberty,$(EXTLIBS)),)
869 $(call feature_check,cplus-demangle)
871 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
872 # or any of 'bfd iberty z' trinity
873 ifeq ($(feature-cplus-demangle), 1)
876 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
877 CFLAGS += -DNO_DEMANGLE
882 ifneq ($(filter -liberty,$(EXTLIBS)),)
883 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
887 ifneq ($(filter -lbfd,$(EXTLIBS)),)
888 CFLAGS += -DHAVE_LIBBFD_SUPPORT
892 ifeq ($(feature-zlib), 1)
893 CFLAGS += -DHAVE_ZLIB_SUPPORT
895 $(call detected,CONFIG_ZLIB)
902 ifeq ($(feature-lzma), 1)
903 CFLAGS += -DHAVE_LZMA_SUPPORT
905 $(call detected,CONFIG_LZMA)
907 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
913 ifeq ($(feature-libzstd), 1)
914 CFLAGS += -DHAVE_ZSTD_SUPPORT
915 CFLAGS += $(LIBZSTD_CFLAGS)
916 LDFLAGS += $(LIBZSTD_LDFLAGS)
918 $(call detected,CONFIG_ZSTD)
920 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
926 ifeq ($(feature-libcap), 1)
927 CFLAGS += -DHAVE_LIBCAP_SUPPORT
929 $(call detected,CONFIG_LIBCAP)
931 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
937 ifeq ($(feature-backtrace), 1)
938 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
943 ifeq ($(feature-libnuma), 0)
944 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
947 ifeq ($(feature-numa_num_possible_cpus), 0)
948 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
951 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
953 $(call detected,CONFIG_NUMA)
958 ifdef HAVE_KVM_STAT_SUPPORT
959 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
962 ifeq ($(feature-disassembler-four-args), 1)
963 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
966 ifeq (${IS_64_BIT}, 1)
967 ifndef NO_PERF_READ_VDSO32
968 $(call feature_check,compile-32)
969 ifeq ($(feature-compile-32), 1)
970 CFLAGS += -DHAVE_PERF_READ_VDSO32
972 NO_PERF_READ_VDSO32 := 1
975 ifneq ($(SRCARCH), x86)
976 NO_PERF_READ_VDSOX32 := 1
978 ifndef NO_PERF_READ_VDSOX32
979 $(call feature_check,compile-x32)
980 ifeq ($(feature-compile-x32), 1)
981 CFLAGS += -DHAVE_PERF_READ_VDSOX32
983 NO_PERF_READ_VDSOX32 := 1
987 NO_PERF_READ_VDSO32 := 1
988 NO_PERF_READ_VDSOX32 := 1
991 ifndef NO_LIBBABELTRACE
992 $(call feature_check,libbabeltrace)
993 ifeq ($(feature-libbabeltrace), 1)
994 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
995 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
996 EXTLIBS += -lbabeltrace-ctf
997 $(call detected,CONFIG_LIBBABELTRACE)
999 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1004 ifeq ($(SRCARCH),x86)
1005 ifeq ($(feature-get_cpuid), 0)
1006 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1011 $(call detected,CONFIG_AUXTRACE)
1012 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1017 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1018 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1020 ifneq (,$(wildcard /usr/sbin/alternatives))
1021 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1025 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1031 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1032 $(call feature_check,jvmti)
1033 ifeq ($(feature-jvmti), 1)
1034 $(call detected_var,JDIR)
1035 ifndef NO_JVMTI_CMLR
1036 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1037 $(call feature_check,jvmti-cmlr)
1038 ifeq ($(feature-jvmti-cmlr), 1)
1039 CFLAGS += -DHAVE_JVMTI_CMLR
1041 endif # NO_JVMTI_CMLR
1043 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1051 $(call feature_check,cxx)
1052 ifneq ($(feature-cxx), 1)
1053 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1055 $(call feature_check,llvm)
1056 $(call feature_check,llvm-version)
1057 ifneq ($(feature-llvm), 1)
1058 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1060 $(call feature_check,clang)
1061 ifneq ($(feature-clang), 1)
1062 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1064 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1065 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1066 $(call detected,CONFIG_CXX)
1067 $(call detected,CONFIG_CLANGLLVM)
1071 ifneq ($(feature-llvm-version),1)
1072 msg := $(warning This version of LLVM is not tested. May cause build errors)
1080 $(call feature_check,libpfm4)
1081 ifeq ($(feature-libpfm4), 1)
1082 CFLAGS += -DHAVE_LIBPFM
1084 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1085 $(call detected,CONFIG_LIBPFM4)
1087 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1092 ifdef LIBTRACEEVENT_DYNAMIC
1093 $(call feature_check,libtraceevent)
1094 ifeq ($(feature-libtraceevent), 1)
1095 EXTLIBS += -ltraceevent
1097 dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1101 # Among the variables below, these:
1109 # ETC_PERFCONFIG (but not sysconfdir)
1110 # can be specified as a relative path some/where/else;
1111 # this is interpreted as relative to $(prefix) and "perf" at
1112 # runtime figures out where they are based on the path to the executable.
1113 # This can help installing the suite in a relocatable way.
1115 # Make the path relative to DESTDIR, not to prefix
1119 bindir_relative = bin
1120 bindir = $(abspath $(prefix)/$(bindir_relative))
1122 infodir = share/info
1123 perfexecdir = libexec/perf-core
1124 perf_include_dir = lib/perf/include
1125 perf_examples_dir = lib/perf/examples
1126 sharedir = $(prefix)/share
1127 template_dir = share/perf-core/templates
1128 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1129 htmldir = share/doc/perf-doc
1130 tipdir = share/doc/perf-tip
1131 srcdir = $(srctree)/tools/perf
1132 ifeq ($(prefix),/usr)
1134 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1136 sysconfdir = $(prefix)/etc
1137 ETC_PERFCONFIG = etc/perfconfig
1140 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1146 libdir = $(prefix)/$(lib)
1148 # Shell quote (do not use $(call) to accommodate ancient setups);
1149 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1150 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1151 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1152 bindir_SQ = $(subst ','\'',$(bindir))
1153 mandir_SQ = $(subst ','\'',$(mandir))
1154 infodir_SQ = $(subst ','\'',$(infodir))
1155 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1156 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1157 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1158 template_dir_SQ = $(subst ','\'',$(template_dir))
1159 htmldir_SQ = $(subst ','\'',$(htmldir))
1160 tipdir_SQ = $(subst ','\'',$(tipdir))
1161 prefix_SQ = $(subst ','\'',$(prefix))
1162 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1163 libdir_SQ = $(subst ','\'',$(libdir))
1164 srcdir_SQ = $(subst ','\'',$(srcdir))
1166 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1167 perfexec_instdir = $(perfexecdir)
1168 perf_include_instdir = $(perf_include_dir)
1169 perf_examples_instdir = $(perf_examples_dir)
1170 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1171 tip_instdir = $(tipdir)
1173 perfexec_instdir = $(prefix)/$(perfexecdir)
1174 perf_include_instdir = $(prefix)/$(perf_include_dir)
1175 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1176 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1177 tip_instdir = $(prefix)/$(tipdir)
1179 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1180 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1181 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1182 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1183 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1185 # If we install to $(HOME) we keep the traceevent default:
1186 # $(HOME)/.traceevent/plugins
1187 # Otherwise we install plugins into the global $(libdir).
1189 plugindir=$(libdir)/traceevent/plugins
1190 plugindir_SQ= $(subst ','\'',$(plugindir))
1193 print_var = $(eval $(print_var_code)) $(info $(MSG))
1194 define print_var_code
1195 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1199 # Display EXTRA features which are detected manualy
1200 # from here with feature_check call and thus cannot
1201 # be partof global state output.
1202 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1203 $(call print_var,prefix)
1204 $(call print_var,bindir)
1205 $(call print_var,libdir)
1206 $(call print_var,sysconfdir)
1207 $(call print_var,LIBUNWIND_DIR)
1208 $(call print_var,LIBDW_DIR)
1209 $(call print_var,JDIR)
1211 ifeq ($(dwarf-post-unwind),1)
1212 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1217 $(call detected_var,bindir_SQ)
1218 $(call detected_var,PYTHON_WORD)
1220 $(call detected_var,OUTPUT)
1222 $(call detected_var,htmldir_SQ)
1223 $(call detected_var,infodir_SQ)
1224 $(call detected_var,mandir_SQ)
1225 $(call detected_var,ETC_PERFCONFIG_SQ)
1226 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1227 $(call detected_var,prefix_SQ)
1228 $(call detected_var,perfexecdir_SQ)
1229 $(call detected_var,perf_include_dir_SQ)
1230 $(call detected_var,perf_examples_dir_SQ)
1231 $(call detected_var,tipdir_SQ)
1232 $(call detected_var,srcdir_SQ)
1233 $(call detected_var,LIBDIR)
1234 $(call detected_var,GTK_CFLAGS)
1235 $(call detected_var,PERL_EMBED_CCOPTS)
1236 $(call detected_var,PYTHON_EMBED_CCOPTS)
1237 ifneq ($(BISON_FILE_PREFIX_MAP),)
1238 $(call detected_var,BISON_FILE_PREFIX_MAP)
1241 # re-generate FEATURE-DUMP as we may have called feature_check, found out
1242 # extra libraries to add to LDFLAGS of some other test and then redo those
1243 # tests, see the block about libbfd, disassembler-four-args, for instance.
1244 $(shell rm -f $(FEATURE_DUMP_FILENAME))
1245 $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1247 ifeq ($(feature_display),1)
1248 $(call feature_display_entries)