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 $(SRCARCH),powerpc arm64 s390))
40 ifneq ($(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
90 ifeq ($(NO_PERF_REGS),0)
91 $(call detected,CONFIG_PERF_REGS)
94 # So far there's only x86 and arm libdw unwind support merged in perf.
95 # Disable it on all other architectures in case libdw unwind
96 # support is detected in system. Add supported architectures
98 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
99 NO_LIBDW_DWARF_UNWIND := 1
102 ifeq ($(LIBUNWIND_LIBS),)
106 # For linking with debug library, run like:
108 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
111 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
112 define libunwind_arch_set_flags_code
113 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
114 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
118 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
119 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
120 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
121 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
124 # Set per-feature check compilation flags
125 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
126 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
127 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
128 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
130 FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
131 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
132 FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
133 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
135 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
138 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
140 OPENCSDLIBS := -lopencsd_c_api -lopencsd
142 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
144 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
145 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
147 ifeq ($(NO_PERF_REGS),0)
148 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
151 # for linking with debug library, run like:
152 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
154 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
155 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
158 ifeq ($(findstring -static,${LDFLAGS}),-static)
159 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
161 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
162 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
164 # for linking with debug library, run like:
165 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
166 ifdef LIBBABELTRACE_DIR
167 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
168 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
170 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
171 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
174 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
175 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
177 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
178 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
180 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
181 # include ARCH specific config
182 -include $(src-perf)/arch/$(SRCARCH)/Makefile
184 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
185 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
188 include $(srctree)/tools/scripts/utilities.mak
190 ifeq ($(call get-executable,$(FLEX)),)
191 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
194 ifeq ($(call get-executable,$(BISON)),)
195 dummy := $(error Error: $(BISON) is missing on this system, please install it)
198 # Treat warnings as errors unless directed not to
200 CORE_CFLAGS += -Werror
209 ifeq ($(CC_NO_CLANG), 0)
217 PARSER_DEBUG_BISON := -t
218 PARSER_DEBUG_FLEX := -d
219 CFLAGS += -DPARSER_DEBUG
220 $(call detected_var,PARSER_DEBUG_BISON)
221 $(call detected_var,PARSER_DEBUG_FLEX)
224 # Try different combinations to accommodate systems that only have
225 # python[2][-config] in weird combinations but always preferring
226 # python2 and python2-config as per pep-0394. If python2 or python
227 # aren't found, then python3 is used.
228 PYTHON_AUTO := python
229 PYTHON_AUTO := $(if $(call get-executable,python3),python3,$(PYTHON_AUTO))
230 PYTHON_AUTO := $(if $(call get-executable,python),python,$(PYTHON_AUTO))
231 PYTHON_AUTO := $(if $(call get-executable,python2),python2,$(PYTHON_AUTO))
232 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON_AUTO))
233 PYTHON_AUTO_CONFIG := \
234 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
235 override PYTHON_CONFIG := \
236 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO_CONFIG))
238 grep-libs = $(filter -l%,$(1))
239 strip-libs = $(filter-out -l%,$(1))
241 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
243 # Python 3.8 changed the output of `python-config --ldflags` to not include the
244 # '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
245 # libpython fails if that flag is not included in LDFLAGS
246 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
247 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
249 PYTHON_CONFIG_LDFLAGS := --ldflags
253 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
254 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
255 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
256 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
257 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
260 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
261 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
262 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
263 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
265 FEATURE_CHECK_LDFLAGS-libaio = -lrt
267 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
269 CORE_CFLAGS += -fno-omit-frame-pointer
270 CORE_CFLAGS += -ggdb3
271 CORE_CFLAGS += -funwind-tables
273 CORE_CFLAGS += -Wextra
274 CORE_CFLAGS += -std=gnu99
276 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
278 CXXFLAGS += -fno-omit-frame-pointer
280 CXXFLAGS += -funwind-tables
281 CXXFLAGS += -Wno-strict-aliasing
283 # Enforce a non-executable stack, as we may regress (again) in the future by
284 # adding assembler files missing the .GNU-stack linker note.
285 LDFLAGS += -Wl,-z,noexecstack
287 EXTLIBS = -lpthread -lrt -lm -ldl
290 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
291 EXTLIBS += -ltcmalloc
294 ifeq ($(FEATURES_DUMP),)
295 include $(srctree)/tools/build/Makefile.feature
297 include $(FEATURES_DUMP)
300 ifeq ($(feature-stackprotector-all), 1)
301 CORE_CFLAGS += -fstack-protector-all
305 ifeq ($(feature-fortify-source), 1)
306 CORE_CFLAGS += -D_FORTIFY_SOURCE=2
310 INC_FLAGS += -I$(srctree)/tools/lib/perf/include
311 INC_FLAGS += -I$(src-perf)/util/include
312 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
313 INC_FLAGS += -I$(srctree)/tools/include/
314 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
315 INC_FLAGS += -I$(srctree)/tools/include/uapi
316 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
317 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
319 # $(obj-perf) for generated common-cmds.h
320 # $(obj-perf)/util for generated bison/flex headers
322 INC_FLAGS += -I$(obj-perf)/util
323 INC_FLAGS += -I$(obj-perf)
326 INC_FLAGS += -I$(src-perf)/util
327 INC_FLAGS += -I$(src-perf)
328 INC_FLAGS += -I$(srctree)/tools/lib/
330 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
332 CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
333 CXXFLAGS += $(INC_FLAGS)
335 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
337 ifeq ($(feature-sync-compare-and-swap), 1)
338 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
341 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
342 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
345 ifeq ($(feature-pthread-barrier), 1)
346 CFLAGS += -DHAVE_PTHREAD_BARRIER
350 $(call feature_check,bionic)
351 ifeq ($(feature-bionic), 1)
353 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
354 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
355 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
356 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
360 ifeq ($(feature-eventfd), 1)
361 CFLAGS += -DHAVE_EVENTFD_SUPPORT
364 ifeq ($(feature-get_current_dir_name), 1)
365 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
368 ifeq ($(feature-gettid), 1)
369 CFLAGS += -DHAVE_GETTID
372 ifeq ($(feature-file-handle), 1)
373 CFLAGS += -DHAVE_FILE_HANDLE
380 NO_LIBDW_DWARF_UNWIND := 1
384 ifeq ($(feature-libelf), 0)
385 ifeq ($(feature-glibc), 1)
391 ifeq ($(LIBC_SUPPORT),1)
392 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);
398 NO_LIBDW_DWARF_UNWIND := 1
402 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
403 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
404 msg := $(error No libasan found, please install libasan);
408 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
409 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
410 msg := $(error No libubsan found, please install libubsan);
414 ifneq ($(filter s% -static%,$(LDFLAGS),),)
415 msg := $(error No static glibc found, please install glibc-static);
417 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
421 ifndef NO_LIBDW_DWARF_UNWIND
422 ifneq ($(feature-libdw-dwarf-unwind),1)
423 NO_LIBDW_DWARF_UNWIND := 1
424 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
427 ifneq ($(feature-dwarf), 1)
429 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);
433 ifneq ($(feature-dwarf_getlocations), 1)
434 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
436 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
437 endif # dwarf_getlocations
438 endif # Dwarf support
439 endif # libelf support
442 ifeq ($(feature-glibc), 1)
443 CFLAGS += -DHAVE_GLIBC_SUPPORT
446 ifeq ($(feature-libaio), 1)
448 CFLAGS += -DHAVE_AIO_SUPPORT
453 NO_LIBDW_DWARF_UNWIND := 1
456 ifeq ($(feature-sched_getcpu), 1)
457 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
460 ifeq ($(feature-setns), 1)
461 CFLAGS += -DHAVE_SETNS_SUPPORT
462 $(call detected,CONFIG_SETNS)
466 $(call feature_check,libopencsd)
467 ifeq ($(feature-libopencsd), 1)
468 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
469 ifeq ($(feature-reallocarray), 0)
470 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
472 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
473 EXTLIBS += $(OPENCSDLIBS)
474 $(call detected,CONFIG_LIBOPENCSD)
476 CFLAGS += -DCS_DEBUG_RAW
477 ifeq (${CSTRACE_RAW}, packed)
478 CFLAGS += -DCS_RAW_PACKED
485 CFLAGS += -DHAVE_LIBELF_SUPPORT
487 $(call detected,CONFIG_LIBELF)
489 ifeq ($(feature-libelf-getphdrnum), 1)
490 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
493 ifeq ($(feature-libelf-gelf_getnote), 1)
494 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
496 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
499 ifeq ($(feature-libelf-getshdrstrndx), 1)
500 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
503 ifndef NO_LIBDEBUGINFOD
504 $(call feature_check,libdebuginfod)
505 ifeq ($(feature-libdebuginfod), 1)
506 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
507 EXTLIBS += -ldebuginfod
512 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
513 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
516 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
517 LDFLAGS += $(LIBDW_LDFLAGS)
518 EXTLIBS += ${DWARFLIBS}
519 $(call detected,CONFIG_DWARF)
520 endif # PERF_HAVE_DWARF_REGS
524 ifeq ($(feature-bpf), 1)
525 CFLAGS += -DHAVE_LIBBPF_SUPPORT
526 $(call detected,CONFIG_LIBBPF)
528 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
529 $(call feature_check,libbpf)
531 ifeq ($(feature-libbpf), 1)
534 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
540 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
541 CFLAGS += -DHAVE_BPF_PROLOGUE
542 $(call detected,CONFIG_BPF_PROLOGUE)
544 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
547 msg := $(warning DWARF support is off, BPF prologue is disabled);
554 ifneq ($(feature-sdt), 1)
555 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
558 CFLAGS += -DHAVE_SDT_EVENT
559 $(call detected,CONFIG_SDT_EVENT)
563 ifdef PERF_HAVE_JITDUMP
565 $(call detected,CONFIG_JITDUMP)
566 CFLAGS += -DHAVE_JITDUMP
570 ifeq ($(SRCARCH),powerpc)
572 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
579 $(call feature_check,libunwind-x86)
580 ifeq ($(feature-libunwind-x86), 1)
581 $(call detected,CONFIG_LIBUNWIND_X86)
582 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
583 LDFLAGS += -lunwind-x86
584 EXTLIBS_LIBUNWIND += -lunwind-x86
588 $(call feature_check,libunwind-aarch64)
589 ifeq ($(feature-libunwind-aarch64), 1)
590 $(call detected,CONFIG_LIBUNWIND_AARCH64)
591 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
592 LDFLAGS += -lunwind-aarch64
593 EXTLIBS_LIBUNWIND += -lunwind-aarch64
595 $(call feature_check,libunwind-debug-frame-aarch64)
596 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
597 msg := $(warning No debug_frame support found in libunwind-aarch64);
598 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
602 ifneq ($(feature-libunwind), 1)
603 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
604 NO_LOCAL_LIBUNWIND := 1
607 $(call detected,CONFIG_LOCAL_LIBUNWIND)
610 ifneq ($(have_libunwind), 1)
614 NO_LOCAL_LIBUNWIND := 1
618 ifneq ($(feature-bpf), 1)
619 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
625 $(call feature_check,clang-bpf-co-re)
626 ifeq ($(feature-clang-bpf-co-re), 0)
627 dummy := $(error Error: clang too old. Please install recent clang)
629 $(call detected,CONFIG_PERF_BPF_SKEL)
630 CFLAGS += -DHAVE_BPF_SKEL
633 dwarf-post-unwind := 1
634 dwarf-post-unwind-text := BUG
636 # setup DWARF post unwinder
638 ifdef NO_LIBDW_DWARF_UNWIND
639 msg := $(warning Disabling post unwind, no support found.);
640 dwarf-post-unwind := 0
642 dwarf-post-unwind-text := libdw
643 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
646 dwarf-post-unwind-text := libunwind
647 $(call detected,CONFIG_LIBUNWIND)
648 # Enable libunwind support by default.
649 ifndef NO_LIBDW_DWARF_UNWIND
650 NO_LIBDW_DWARF_UNWIND := 1
654 ifeq ($(dwarf-post-unwind),1)
655 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
656 $(call detected,CONFIG_DWARF_UNWIND)
661 ifndef NO_LOCAL_LIBUNWIND
662 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
663 $(call feature_check,libunwind-debug-frame)
664 ifneq ($(feature-libunwind-debug-frame), 1)
665 msg := $(warning No debug_frame support found in libunwind);
666 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
669 # non-ARM has no dwarf_find_debug_frame() function:
670 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
672 EXTLIBS += $(LIBUNWIND_LIBS)
673 LDFLAGS += $(LIBUNWIND_LIBS)
675 ifeq ($(findstring -static,${LDFLAGS}),-static)
676 # gcc -static links libgcc_eh which contans piece of libunwind
677 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
681 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
682 CFLAGS += $(LIBUNWIND_CFLAGS)
683 LDFLAGS += $(LIBUNWIND_LDFLAGS)
684 EXTLIBS += $(EXTLIBS_LIBUNWIND)
687 ifeq ($(NO_SYSCALL_TABLE),0)
688 $(call detected,CONFIG_TRACE)
691 $(call feature_check,libaudit)
692 ifneq ($(feature-libaudit), 1)
693 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
696 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
698 $(call detected,CONFIG_TRACE)
704 ifneq ($(feature-libcrypto), 1)
705 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
708 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
710 $(call detected,CONFIG_CRYPTO)
719 ifneq ($(feature-libslang), 1)
720 ifneq ($(feature-libslang-include-subdir), 1)
721 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
724 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
728 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
729 CFLAGS += -DHAVE_SLANG_SUPPORT
731 $(call detected,CONFIG_SLANG)
736 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
737 $(call feature_check,gtk2)
738 ifneq ($(feature-gtk2), 1)
739 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
742 $(call feature_check,gtk2-infobar)
743 ifeq ($(feature-gtk2-infobar), 1)
744 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
746 CFLAGS += -DHAVE_GTK2_SUPPORT
747 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
748 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
754 CFLAGS += -DNO_LIBPERL
756 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
757 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
758 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
759 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
760 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
761 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
762 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
763 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
765 ifneq ($(feature-libperl), 1)
766 CFLAGS += -DNO_LIBPERL
768 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
770 LDFLAGS += $(PERL_EMBED_LDFLAGS)
771 EXTLIBS += $(PERL_EMBED_LIBADD)
772 CFLAGS += -DHAVE_LIBPERL_SUPPORT
773 $(call detected,CONFIG_LIBPERL)
777 ifeq ($(feature-timerfd), 1)
778 CFLAGS += -DHAVE_TIMERFD_SUPPORT
780 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
783 disable-python = $(eval $(disable-python_code))
784 define disable-python_code
785 CFLAGS += -DNO_LIBPYTHON
791 $(call disable-python,Python support disabled by user)
795 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
797 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
800 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
803 ifneq ($(feature-libpython), 1)
804 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
806 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
807 EXTLIBS += $(PYTHON_EMBED_LIBADD)
808 LANG_BINDINGS += $(obj-perf)python/perf.so
809 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
810 $(call detected,CONFIG_LIBPYTHON)
816 ifeq ($(feature-libbfd), 1)
817 EXTLIBS += -lbfd -lopcodes
819 # we are on a system that requires -liberty and (maybe) -lz
820 # to link against -lbfd; test each case individually here
822 # call all detections now so we get correct
823 # status in VF output
824 $(call feature_check,libbfd-liberty)
825 $(call feature_check,libbfd-liberty-z)
827 ifeq ($(feature-libbfd-liberty), 1)
828 EXTLIBS += -lbfd -lopcodes -liberty
829 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
831 ifeq ($(feature-libbfd-liberty-z), 1)
832 EXTLIBS += -lbfd -lopcodes -liberty -lz
833 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
836 $(call feature_check,disassembler-four-args)
839 ifeq ($(feature-libbfd-buildid), 1)
840 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
842 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
846 CFLAGS += -DNO_DEMANGLE
848 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
851 ifeq ($(filter -liberty,$(EXTLIBS)),)
852 $(call feature_check,cplus-demangle)
854 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
855 # or any of 'bfd iberty z' trinity
856 ifeq ($(feature-cplus-demangle), 1)
859 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
860 CFLAGS += -DNO_DEMANGLE
865 ifneq ($(filter -liberty,$(EXTLIBS)),)
866 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
870 ifneq ($(filter -lbfd,$(EXTLIBS)),)
871 CFLAGS += -DHAVE_LIBBFD_SUPPORT
875 ifeq ($(feature-zlib), 1)
876 CFLAGS += -DHAVE_ZLIB_SUPPORT
878 $(call detected,CONFIG_ZLIB)
885 ifeq ($(feature-lzma), 1)
886 CFLAGS += -DHAVE_LZMA_SUPPORT
888 $(call detected,CONFIG_LZMA)
890 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
896 ifeq ($(feature-libzstd), 1)
897 CFLAGS += -DHAVE_ZSTD_SUPPORT
898 CFLAGS += $(LIBZSTD_CFLAGS)
899 LDFLAGS += $(LIBZSTD_LDFLAGS)
901 $(call detected,CONFIG_ZSTD)
903 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
909 ifeq ($(feature-libcap), 1)
910 CFLAGS += -DHAVE_LIBCAP_SUPPORT
912 $(call detected,CONFIG_LIBCAP)
914 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
920 ifeq ($(feature-backtrace), 1)
921 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
926 ifeq ($(feature-libnuma), 0)
927 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
930 ifeq ($(feature-numa_num_possible_cpus), 0)
931 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
934 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
936 $(call detected,CONFIG_NUMA)
941 ifdef HAVE_KVM_STAT_SUPPORT
942 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
945 ifeq ($(feature-disassembler-four-args), 1)
946 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
949 ifeq (${IS_64_BIT}, 1)
950 ifndef NO_PERF_READ_VDSO32
951 $(call feature_check,compile-32)
952 ifeq ($(feature-compile-32), 1)
953 CFLAGS += -DHAVE_PERF_READ_VDSO32
955 NO_PERF_READ_VDSO32 := 1
958 ifneq ($(SRCARCH), x86)
959 NO_PERF_READ_VDSOX32 := 1
961 ifndef NO_PERF_READ_VDSOX32
962 $(call feature_check,compile-x32)
963 ifeq ($(feature-compile-x32), 1)
964 CFLAGS += -DHAVE_PERF_READ_VDSOX32
966 NO_PERF_READ_VDSOX32 := 1
970 NO_PERF_READ_VDSO32 := 1
971 NO_PERF_READ_VDSOX32 := 1
974 ifndef NO_LIBBABELTRACE
975 $(call feature_check,libbabeltrace)
976 ifeq ($(feature-libbabeltrace), 1)
977 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
978 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
979 EXTLIBS += -lbabeltrace-ctf
980 $(call detected,CONFIG_LIBBABELTRACE)
982 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
987 ifeq ($(SRCARCH),x86)
988 ifeq ($(feature-get_cpuid), 0)
989 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
994 $(call detected,CONFIG_AUXTRACE)
995 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1000 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1001 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1003 ifneq (,$(wildcard /usr/sbin/alternatives))
1004 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1008 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1014 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1015 $(call feature_check,jvmti)
1016 ifeq ($(feature-jvmti), 1)
1017 $(call detected_var,JDIR)
1018 ifndef NO_JVMTI_CMLR
1019 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1020 $(call feature_check,jvmti-cmlr)
1021 ifeq ($(feature-jvmti-cmlr), 1)
1022 CFLAGS += -DHAVE_JVMTI_CMLR
1024 endif # NO_JVMTI_CMLR
1026 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1034 $(call feature_check,cxx)
1035 ifneq ($(feature-cxx), 1)
1036 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1038 $(call feature_check,llvm)
1039 $(call feature_check,llvm-version)
1040 ifneq ($(feature-llvm), 1)
1041 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1043 $(call feature_check,clang)
1044 ifneq ($(feature-clang), 1)
1045 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1047 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1048 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1049 $(call detected,CONFIG_CXX)
1050 $(call detected,CONFIG_CLANGLLVM)
1054 ifneq ($(feature-llvm-version),1)
1055 msg := $(warning This version of LLVM is not tested. May cause build errors)
1063 $(call feature_check,libpfm4)
1064 ifeq ($(feature-libpfm4), 1)
1065 CFLAGS += -DHAVE_LIBPFM
1067 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1068 $(call detected,CONFIG_LIBPFM4)
1070 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1075 # Among the variables below, these:
1083 # ETC_PERFCONFIG (but not sysconfdir)
1084 # can be specified as a relative path some/where/else;
1085 # this is interpreted as relative to $(prefix) and "perf" at
1086 # runtime figures out where they are based on the path to the executable.
1087 # This can help installing the suite in a relocatable way.
1089 # Make the path relative to DESTDIR, not to prefix
1093 bindir_relative = bin
1094 bindir = $(abspath $(prefix)/$(bindir_relative))
1096 infodir = share/info
1097 perfexecdir = libexec/perf-core
1098 perf_include_dir = lib/perf/include
1099 perf_examples_dir = lib/perf/examples
1100 sharedir = $(prefix)/share
1101 template_dir = share/perf-core/templates
1102 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1103 htmldir = share/doc/perf-doc
1104 tipdir = share/doc/perf-tip
1105 srcdir = $(srctree)/tools/perf
1106 ifeq ($(prefix),/usr)
1108 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1110 sysconfdir = $(prefix)/etc
1111 ETC_PERFCONFIG = etc/perfconfig
1114 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1120 libdir = $(prefix)/$(lib)
1122 # Shell quote (do not use $(call) to accommodate ancient setups);
1123 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1124 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1125 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1126 bindir_SQ = $(subst ','\'',$(bindir))
1127 mandir_SQ = $(subst ','\'',$(mandir))
1128 infodir_SQ = $(subst ','\'',$(infodir))
1129 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1130 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1131 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1132 template_dir_SQ = $(subst ','\'',$(template_dir))
1133 htmldir_SQ = $(subst ','\'',$(htmldir))
1134 tipdir_SQ = $(subst ','\'',$(tipdir))
1135 prefix_SQ = $(subst ','\'',$(prefix))
1136 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1137 libdir_SQ = $(subst ','\'',$(libdir))
1138 srcdir_SQ = $(subst ','\'',$(srcdir))
1140 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1141 perfexec_instdir = $(perfexecdir)
1142 perf_include_instdir = $(perf_include_dir)
1143 perf_examples_instdir = $(perf_examples_dir)
1144 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1145 tip_instdir = $(tipdir)
1147 perfexec_instdir = $(prefix)/$(perfexecdir)
1148 perf_include_instdir = $(prefix)/$(perf_include_dir)
1149 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1150 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1151 tip_instdir = $(prefix)/$(tipdir)
1153 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1154 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1155 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1156 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1157 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1159 # If we install to $(HOME) we keep the traceevent default:
1160 # $(HOME)/.traceevent/plugins
1161 # Otherwise we install plugins into the global $(libdir).
1163 plugindir=$(libdir)/traceevent/plugins
1164 plugindir_SQ= $(subst ','\'',$(plugindir))
1167 print_var = $(eval $(print_var_code)) $(info $(MSG))
1168 define print_var_code
1169 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1173 # Display EXTRA features which are detected manualy
1174 # from here with feature_check call and thus cannot
1175 # be partof global state output.
1176 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1177 $(call print_var,prefix)
1178 $(call print_var,bindir)
1179 $(call print_var,libdir)
1180 $(call print_var,sysconfdir)
1181 $(call print_var,LIBUNWIND_DIR)
1182 $(call print_var,LIBDW_DIR)
1183 $(call print_var,JDIR)
1185 ifeq ($(dwarf-post-unwind),1)
1186 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1191 $(call detected_var,bindir_SQ)
1192 $(call detected_var,PYTHON_WORD)
1194 $(call detected_var,OUTPUT)
1196 $(call detected_var,htmldir_SQ)
1197 $(call detected_var,infodir_SQ)
1198 $(call detected_var,mandir_SQ)
1199 $(call detected_var,ETC_PERFCONFIG_SQ)
1200 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1201 $(call detected_var,prefix_SQ)
1202 $(call detected_var,perfexecdir_SQ)
1203 $(call detected_var,perf_include_dir_SQ)
1204 $(call detected_var,perf_examples_dir_SQ)
1205 $(call detected_var,tipdir_SQ)
1206 $(call detected_var,srcdir_SQ)
1207 $(call detected_var,LIBDIR)
1208 $(call detected_var,GTK_CFLAGS)
1209 $(call detected_var,PERL_EMBED_CCOPTS)
1210 $(call detected_var,PYTHON_EMBED_CCOPTS)