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: $(BISON) is missing on this system, please install it)
204 # Treat warnings as errors unless directed not to
206 CORE_CFLAGS += -Werror
215 ifeq ($(CC_NO_CLANG), 0)
223 PARSER_DEBUG_BISON := -t
224 PARSER_DEBUG_FLEX := -d
225 CFLAGS += -DPARSER_DEBUG
226 $(call detected_var,PARSER_DEBUG_BISON)
227 $(call detected_var,PARSER_DEBUG_FLEX)
230 # Try different combinations to accommodate systems that only have
231 # python[2][-config] in weird combinations but always preferring
232 # python2 and python2-config as per pep-0394. If python2 or python
233 # aren't found, then python3 is used.
234 PYTHON_AUTO := python
235 PYTHON_AUTO := $(if $(call get-executable,python3),python3,$(PYTHON_AUTO))
236 PYTHON_AUTO := $(if $(call get-executable,python),python,$(PYTHON_AUTO))
237 PYTHON_AUTO := $(if $(call get-executable,python2),python2,$(PYTHON_AUTO))
238 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON_AUTO))
239 PYTHON_AUTO_CONFIG := \
240 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
241 override PYTHON_CONFIG := \
242 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO_CONFIG))
244 grep-libs = $(filter -l%,$(1))
245 strip-libs = $(filter-out -l%,$(1))
247 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
249 # Python 3.8 changed the output of `python-config --ldflags` to not include the
250 # '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
251 # libpython fails if that flag is not included in LDFLAGS
252 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
253 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
255 PYTHON_CONFIG_LDFLAGS := --ldflags
259 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
260 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
261 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
262 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
263 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
266 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
267 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
268 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
269 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
271 FEATURE_CHECK_LDFLAGS-libaio = -lrt
273 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
275 CORE_CFLAGS += -fno-omit-frame-pointer
276 CORE_CFLAGS += -ggdb3
277 CORE_CFLAGS += -funwind-tables
279 CORE_CFLAGS += -Wextra
280 CORE_CFLAGS += -std=gnu99
282 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
284 CXXFLAGS += -fno-omit-frame-pointer
286 CXXFLAGS += -funwind-tables
287 CXXFLAGS += -Wno-strict-aliasing
289 # Enforce a non-executable stack, as we may regress (again) in the future by
290 # adding assembler files missing the .GNU-stack linker note.
291 LDFLAGS += -Wl,-z,noexecstack
293 EXTLIBS = -lpthread -lrt -lm -ldl
296 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
297 EXTLIBS += -ltcmalloc
300 ifeq ($(FEATURES_DUMP),)
301 # We will display at the end of this Makefile.config, using $(call feature_display_entries)
302 # As we may retry some feature detection here, see the disassembler-four-args case, for instance
303 FEATURE_DISPLAY_DEFERRED := 1
304 include $(srctree)/tools/build/Makefile.feature
306 include $(FEATURES_DUMP)
309 ifeq ($(feature-stackprotector-all), 1)
310 CORE_CFLAGS += -fstack-protector-all
314 ifeq ($(feature-fortify-source), 1)
315 CORE_CFLAGS += -D_FORTIFY_SOURCE=2
319 INC_FLAGS += -I$(srctree)/tools/lib/perf/include
320 INC_FLAGS += -I$(src-perf)/util/include
321 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
322 INC_FLAGS += -I$(srctree)/tools/include/
323 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
324 INC_FLAGS += -I$(srctree)/tools/include/uapi
325 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
326 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
328 # $(obj-perf) for generated common-cmds.h
329 # $(obj-perf)/util for generated bison/flex headers
331 INC_FLAGS += -I$(obj-perf)/util
332 INC_FLAGS += -I$(obj-perf)
335 INC_FLAGS += -I$(src-perf)/util
336 INC_FLAGS += -I$(src-perf)
337 INC_FLAGS += -I$(srctree)/tools/lib/
339 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
341 CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
342 CXXFLAGS += $(INC_FLAGS)
344 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
346 ifeq ($(feature-sync-compare-and-swap), 1)
347 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
350 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
351 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
354 ifeq ($(feature-pthread-barrier), 1)
355 CFLAGS += -DHAVE_PTHREAD_BARRIER
359 $(call feature_check,bionic)
360 ifeq ($(feature-bionic), 1)
362 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
363 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
364 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
365 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
369 ifeq ($(feature-eventfd), 1)
370 CFLAGS += -DHAVE_EVENTFD_SUPPORT
373 ifeq ($(feature-get_current_dir_name), 1)
374 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
377 ifeq ($(feature-gettid), 1)
378 CFLAGS += -DHAVE_GETTID
381 ifeq ($(feature-file-handle), 1)
382 CFLAGS += -DHAVE_FILE_HANDLE
389 NO_LIBDW_DWARF_UNWIND := 1
393 ifeq ($(feature-libelf), 0)
394 ifeq ($(feature-glibc), 1)
400 ifeq ($(LIBC_SUPPORT),1)
401 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);
407 NO_LIBDW_DWARF_UNWIND := 1
411 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
412 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
413 msg := $(error No libasan found, please install libasan);
417 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
418 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
419 msg := $(error No libubsan found, please install libubsan);
423 ifneq ($(filter s% -static%,$(LDFLAGS),),)
424 msg := $(error No static glibc found, please install glibc-static);
426 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
430 ifndef NO_LIBDW_DWARF_UNWIND
431 ifneq ($(feature-libdw-dwarf-unwind),1)
432 NO_LIBDW_DWARF_UNWIND := 1
433 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
436 ifneq ($(feature-dwarf), 1)
438 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);
442 ifneq ($(feature-dwarf_getlocations), 1)
443 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
445 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
446 endif # dwarf_getlocations
447 endif # Dwarf support
448 endif # libelf support
451 ifeq ($(feature-glibc), 1)
452 CFLAGS += -DHAVE_GLIBC_SUPPORT
455 ifeq ($(feature-libaio), 1)
457 CFLAGS += -DHAVE_AIO_SUPPORT
462 NO_LIBDW_DWARF_UNWIND := 1
465 ifeq ($(feature-sched_getcpu), 1)
466 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
469 ifeq ($(feature-setns), 1)
470 CFLAGS += -DHAVE_SETNS_SUPPORT
471 $(call detected,CONFIG_SETNS)
475 $(call feature_check,libopencsd)
476 ifeq ($(feature-libopencsd), 1)
477 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
478 ifeq ($(feature-reallocarray), 0)
479 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
481 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
482 EXTLIBS += $(OPENCSDLIBS)
483 $(call detected,CONFIG_LIBOPENCSD)
485 CFLAGS += -DCS_DEBUG_RAW
486 ifeq (${CSTRACE_RAW}, packed)
487 CFLAGS += -DCS_RAW_PACKED
494 CFLAGS += -DHAVE_LIBELF_SUPPORT
496 $(call detected,CONFIG_LIBELF)
498 ifeq ($(feature-libelf-getphdrnum), 1)
499 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
502 ifeq ($(feature-libelf-gelf_getnote), 1)
503 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
505 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
508 ifeq ($(feature-libelf-getshdrstrndx), 1)
509 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
512 ifndef NO_LIBDEBUGINFOD
513 $(call feature_check,libdebuginfod)
514 ifeq ($(feature-libdebuginfod), 1)
515 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
516 EXTLIBS += -ldebuginfod
521 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
522 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
525 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
526 LDFLAGS += $(LIBDW_LDFLAGS)
527 EXTLIBS += ${DWARFLIBS}
528 $(call detected,CONFIG_DWARF)
529 endif # PERF_HAVE_DWARF_REGS
533 ifeq ($(feature-bpf), 1)
534 CFLAGS += -DHAVE_LIBBPF_SUPPORT
535 $(call detected,CONFIG_LIBBPF)
537 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
538 $(call feature_check,libbpf)
540 ifeq ($(feature-libbpf), 1)
542 $(call detected,CONFIG_LIBBPF_DYNAMIC)
544 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
550 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
551 CFLAGS += -DHAVE_BPF_PROLOGUE
552 $(call detected,CONFIG_BPF_PROLOGUE)
554 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
557 msg := $(warning DWARF support is off, BPF prologue is disabled);
564 ifneq ($(feature-sdt), 1)
565 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
568 CFLAGS += -DHAVE_SDT_EVENT
569 $(call detected,CONFIG_SDT_EVENT)
573 ifdef PERF_HAVE_JITDUMP
575 $(call detected,CONFIG_JITDUMP)
576 CFLAGS += -DHAVE_JITDUMP
580 ifeq ($(SRCARCH),powerpc)
582 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
589 $(call feature_check,libunwind-x86)
590 ifeq ($(feature-libunwind-x86), 1)
591 $(call detected,CONFIG_LIBUNWIND_X86)
592 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
593 LDFLAGS += -lunwind-x86
594 EXTLIBS_LIBUNWIND += -lunwind-x86
598 $(call feature_check,libunwind-aarch64)
599 ifeq ($(feature-libunwind-aarch64), 1)
600 $(call detected,CONFIG_LIBUNWIND_AARCH64)
601 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
602 LDFLAGS += -lunwind-aarch64
603 EXTLIBS_LIBUNWIND += -lunwind-aarch64
605 $(call feature_check,libunwind-debug-frame-aarch64)
606 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
607 msg := $(warning No debug_frame support found in libunwind-aarch64);
608 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
612 ifneq ($(feature-libunwind), 1)
613 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
614 NO_LOCAL_LIBUNWIND := 1
617 $(call detected,CONFIG_LOCAL_LIBUNWIND)
620 ifneq ($(have_libunwind), 1)
624 NO_LOCAL_LIBUNWIND := 1
628 ifneq ($(feature-bpf), 1)
629 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
635 $(call feature_check,clang-bpf-co-re)
636 ifeq ($(feature-clang-bpf-co-re), 0)
637 dummy := $(error Error: clang too old. Please install recent clang)
639 $(call detected,CONFIG_PERF_BPF_SKEL)
640 CFLAGS += -DHAVE_BPF_SKEL
643 dwarf-post-unwind := 1
644 dwarf-post-unwind-text := BUG
646 # setup DWARF post unwinder
648 ifdef NO_LIBDW_DWARF_UNWIND
649 msg := $(warning Disabling post unwind, no support found.);
650 dwarf-post-unwind := 0
652 dwarf-post-unwind-text := libdw
653 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
656 dwarf-post-unwind-text := libunwind
657 $(call detected,CONFIG_LIBUNWIND)
658 # Enable libunwind support by default.
659 ifndef NO_LIBDW_DWARF_UNWIND
660 NO_LIBDW_DWARF_UNWIND := 1
664 ifeq ($(dwarf-post-unwind),1)
665 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
666 $(call detected,CONFIG_DWARF_UNWIND)
671 ifndef NO_LOCAL_LIBUNWIND
672 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
673 $(call feature_check,libunwind-debug-frame)
674 ifneq ($(feature-libunwind-debug-frame), 1)
675 msg := $(warning No debug_frame support found in libunwind);
676 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
679 # non-ARM has no dwarf_find_debug_frame() function:
680 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
682 EXTLIBS += $(LIBUNWIND_LIBS)
683 LDFLAGS += $(LIBUNWIND_LIBS)
685 ifeq ($(findstring -static,${LDFLAGS}),-static)
686 # gcc -static links libgcc_eh which contans piece of libunwind
687 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
691 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
692 CFLAGS += $(LIBUNWIND_CFLAGS)
693 LDFLAGS += $(LIBUNWIND_LDFLAGS)
694 EXTLIBS += $(EXTLIBS_LIBUNWIND)
697 ifeq ($(NO_SYSCALL_TABLE),0)
698 $(call detected,CONFIG_TRACE)
701 $(call feature_check,libaudit)
702 ifneq ($(feature-libaudit), 1)
703 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
706 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
708 $(call detected,CONFIG_TRACE)
714 ifneq ($(feature-libcrypto), 1)
715 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
718 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
720 $(call detected,CONFIG_CRYPTO)
729 ifneq ($(feature-libslang), 1)
730 ifneq ($(feature-libslang-include-subdir), 1)
731 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
734 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
738 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
739 CFLAGS += -DHAVE_SLANG_SUPPORT
741 $(call detected,CONFIG_SLANG)
746 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
747 $(call feature_check,gtk2)
748 ifneq ($(feature-gtk2), 1)
749 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
752 $(call feature_check,gtk2-infobar)
753 ifeq ($(feature-gtk2-infobar), 1)
754 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
756 CFLAGS += -DHAVE_GTK2_SUPPORT
757 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
758 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
764 CFLAGS += -DNO_LIBPERL
766 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
767 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
768 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
769 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
770 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
771 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
772 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
773 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
775 ifneq ($(feature-libperl), 1)
776 CFLAGS += -DNO_LIBPERL
778 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
780 LDFLAGS += $(PERL_EMBED_LDFLAGS)
781 EXTLIBS += $(PERL_EMBED_LIBADD)
782 CFLAGS += -DHAVE_LIBPERL_SUPPORT
783 $(call detected,CONFIG_LIBPERL)
787 ifeq ($(feature-timerfd), 1)
788 CFLAGS += -DHAVE_TIMERFD_SUPPORT
790 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
793 disable-python = $(eval $(disable-python_code))
794 define disable-python_code
795 CFLAGS += -DNO_LIBPYTHON
801 $(call disable-python,Python support disabled by user)
805 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
807 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
810 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
813 ifneq ($(feature-libpython), 1)
814 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
816 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
817 EXTLIBS += $(PYTHON_EMBED_LIBADD)
818 LANG_BINDINGS += $(obj-perf)python/perf.so
819 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
820 $(call detected,CONFIG_LIBPYTHON)
826 ifeq ($(feature-libbfd), 1)
827 EXTLIBS += -lbfd -lopcodes
829 # we are on a system that requires -liberty and (maybe) -lz
830 # to link against -lbfd; test each case individually here
832 # call all detections now so we get correct
833 # status in VF output
834 $(call feature_check,libbfd-liberty)
835 $(call feature_check,libbfd-liberty-z)
837 ifeq ($(feature-libbfd-liberty), 1)
838 EXTLIBS += -lbfd -lopcodes -liberty
839 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
841 ifeq ($(feature-libbfd-liberty-z), 1)
842 EXTLIBS += -lbfd -lopcodes -liberty -lz
843 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
846 $(call feature_check,disassembler-four-args)
849 ifeq ($(feature-libbfd-buildid), 1)
850 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
852 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
856 CFLAGS += -DNO_DEMANGLE
858 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
861 ifeq ($(filter -liberty,$(EXTLIBS)),)
862 $(call feature_check,cplus-demangle)
864 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
865 # or any of 'bfd iberty z' trinity
866 ifeq ($(feature-cplus-demangle), 1)
869 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
870 CFLAGS += -DNO_DEMANGLE
875 ifneq ($(filter -liberty,$(EXTLIBS)),)
876 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
880 ifneq ($(filter -lbfd,$(EXTLIBS)),)
881 CFLAGS += -DHAVE_LIBBFD_SUPPORT
885 ifeq ($(feature-zlib), 1)
886 CFLAGS += -DHAVE_ZLIB_SUPPORT
888 $(call detected,CONFIG_ZLIB)
895 ifeq ($(feature-lzma), 1)
896 CFLAGS += -DHAVE_LZMA_SUPPORT
898 $(call detected,CONFIG_LZMA)
900 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
906 ifeq ($(feature-libzstd), 1)
907 CFLAGS += -DHAVE_ZSTD_SUPPORT
908 CFLAGS += $(LIBZSTD_CFLAGS)
909 LDFLAGS += $(LIBZSTD_LDFLAGS)
911 $(call detected,CONFIG_ZSTD)
913 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
919 ifeq ($(feature-libcap), 1)
920 CFLAGS += -DHAVE_LIBCAP_SUPPORT
922 $(call detected,CONFIG_LIBCAP)
924 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
930 ifeq ($(feature-backtrace), 1)
931 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
936 ifeq ($(feature-libnuma), 0)
937 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
940 ifeq ($(feature-numa_num_possible_cpus), 0)
941 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
944 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
946 $(call detected,CONFIG_NUMA)
951 ifdef HAVE_KVM_STAT_SUPPORT
952 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
955 ifeq ($(feature-disassembler-four-args), 1)
956 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
959 ifeq (${IS_64_BIT}, 1)
960 ifndef NO_PERF_READ_VDSO32
961 $(call feature_check,compile-32)
962 ifeq ($(feature-compile-32), 1)
963 CFLAGS += -DHAVE_PERF_READ_VDSO32
965 NO_PERF_READ_VDSO32 := 1
968 ifneq ($(SRCARCH), x86)
969 NO_PERF_READ_VDSOX32 := 1
971 ifndef NO_PERF_READ_VDSOX32
972 $(call feature_check,compile-x32)
973 ifeq ($(feature-compile-x32), 1)
974 CFLAGS += -DHAVE_PERF_READ_VDSOX32
976 NO_PERF_READ_VDSOX32 := 1
980 NO_PERF_READ_VDSO32 := 1
981 NO_PERF_READ_VDSOX32 := 1
984 ifndef NO_LIBBABELTRACE
985 $(call feature_check,libbabeltrace)
986 ifeq ($(feature-libbabeltrace), 1)
987 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
988 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
989 EXTLIBS += -lbabeltrace-ctf
990 $(call detected,CONFIG_LIBBABELTRACE)
992 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
997 ifeq ($(SRCARCH),x86)
998 ifeq ($(feature-get_cpuid), 0)
999 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1004 $(call detected,CONFIG_AUXTRACE)
1005 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1010 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1011 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1013 ifneq (,$(wildcard /usr/sbin/alternatives))
1014 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1018 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1024 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1025 $(call feature_check,jvmti)
1026 ifeq ($(feature-jvmti), 1)
1027 $(call detected_var,JDIR)
1028 ifndef NO_JVMTI_CMLR
1029 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1030 $(call feature_check,jvmti-cmlr)
1031 ifeq ($(feature-jvmti-cmlr), 1)
1032 CFLAGS += -DHAVE_JVMTI_CMLR
1034 endif # NO_JVMTI_CMLR
1036 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1044 $(call feature_check,cxx)
1045 ifneq ($(feature-cxx), 1)
1046 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1048 $(call feature_check,llvm)
1049 $(call feature_check,llvm-version)
1050 ifneq ($(feature-llvm), 1)
1051 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1053 $(call feature_check,clang)
1054 ifneq ($(feature-clang), 1)
1055 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1057 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1058 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1059 $(call detected,CONFIG_CXX)
1060 $(call detected,CONFIG_CLANGLLVM)
1064 ifneq ($(feature-llvm-version),1)
1065 msg := $(warning This version of LLVM is not tested. May cause build errors)
1073 $(call feature_check,libpfm4)
1074 ifeq ($(feature-libpfm4), 1)
1075 CFLAGS += -DHAVE_LIBPFM
1077 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1078 $(call detected,CONFIG_LIBPFM4)
1080 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1085 ifdef LIBTRACEEVENT_DYNAMIC
1086 $(call feature_check,libtraceevent)
1087 ifeq ($(feature-libtraceevent), 1)
1088 EXTLIBS += -ltraceevent
1090 dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1094 # Among the variables below, these:
1102 # ETC_PERFCONFIG (but not sysconfdir)
1103 # can be specified as a relative path some/where/else;
1104 # this is interpreted as relative to $(prefix) and "perf" at
1105 # runtime figures out where they are based on the path to the executable.
1106 # This can help installing the suite in a relocatable way.
1108 # Make the path relative to DESTDIR, not to prefix
1112 bindir_relative = bin
1113 bindir = $(abspath $(prefix)/$(bindir_relative))
1115 infodir = share/info
1116 perfexecdir = libexec/perf-core
1117 perf_include_dir = lib/perf/include
1118 perf_examples_dir = lib/perf/examples
1119 sharedir = $(prefix)/share
1120 template_dir = share/perf-core/templates
1121 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1122 htmldir = share/doc/perf-doc
1123 tipdir = share/doc/perf-tip
1124 srcdir = $(srctree)/tools/perf
1125 ifeq ($(prefix),/usr)
1127 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1129 sysconfdir = $(prefix)/etc
1130 ETC_PERFCONFIG = etc/perfconfig
1133 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1139 libdir = $(prefix)/$(lib)
1141 # Shell quote (do not use $(call) to accommodate ancient setups);
1142 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1143 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1144 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1145 bindir_SQ = $(subst ','\'',$(bindir))
1146 mandir_SQ = $(subst ','\'',$(mandir))
1147 infodir_SQ = $(subst ','\'',$(infodir))
1148 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1149 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1150 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1151 template_dir_SQ = $(subst ','\'',$(template_dir))
1152 htmldir_SQ = $(subst ','\'',$(htmldir))
1153 tipdir_SQ = $(subst ','\'',$(tipdir))
1154 prefix_SQ = $(subst ','\'',$(prefix))
1155 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1156 libdir_SQ = $(subst ','\'',$(libdir))
1157 srcdir_SQ = $(subst ','\'',$(srcdir))
1159 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1160 perfexec_instdir = $(perfexecdir)
1161 perf_include_instdir = $(perf_include_dir)
1162 perf_examples_instdir = $(perf_examples_dir)
1163 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1164 tip_instdir = $(tipdir)
1166 perfexec_instdir = $(prefix)/$(perfexecdir)
1167 perf_include_instdir = $(prefix)/$(perf_include_dir)
1168 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1169 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1170 tip_instdir = $(prefix)/$(tipdir)
1172 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1173 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1174 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1175 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1176 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1178 # If we install to $(HOME) we keep the traceevent default:
1179 # $(HOME)/.traceevent/plugins
1180 # Otherwise we install plugins into the global $(libdir).
1182 plugindir=$(libdir)/traceevent/plugins
1183 plugindir_SQ= $(subst ','\'',$(plugindir))
1186 print_var = $(eval $(print_var_code)) $(info $(MSG))
1187 define print_var_code
1188 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1192 # Display EXTRA features which are detected manualy
1193 # from here with feature_check call and thus cannot
1194 # be partof global state output.
1195 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1196 $(call print_var,prefix)
1197 $(call print_var,bindir)
1198 $(call print_var,libdir)
1199 $(call print_var,sysconfdir)
1200 $(call print_var,LIBUNWIND_DIR)
1201 $(call print_var,LIBDW_DIR)
1202 $(call print_var,JDIR)
1204 ifeq ($(dwarf-post-unwind),1)
1205 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1210 $(call detected_var,bindir_SQ)
1211 $(call detected_var,PYTHON_WORD)
1213 $(call detected_var,OUTPUT)
1215 $(call detected_var,htmldir_SQ)
1216 $(call detected_var,infodir_SQ)
1217 $(call detected_var,mandir_SQ)
1218 $(call detected_var,ETC_PERFCONFIG_SQ)
1219 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1220 $(call detected_var,prefix_SQ)
1221 $(call detected_var,perfexecdir_SQ)
1222 $(call detected_var,perf_include_dir_SQ)
1223 $(call detected_var,perf_examples_dir_SQ)
1224 $(call detected_var,tipdir_SQ)
1225 $(call detected_var,srcdir_SQ)
1226 $(call detected_var,LIBDIR)
1227 $(call detected_var,GTK_CFLAGS)
1228 $(call detected_var,PERL_EMBED_CCOPTS)
1229 $(call detected_var,PYTHON_EMBED_CCOPTS)
1231 # re-generate FEATURE-DUMP as we may have called feature_check, found out
1232 # extra libraries to add to LDFLAGS of some other test and then redo those
1233 # tests, see the block about libbfd, disassembler-four-args, for instance.
1234 $(shell rm -f $(FEATURE_DUMP_FILENAME))
1235 $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1237 ifeq ($(feature_display),1)
1238 $(call feature_display_entries)