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][3]-config in weird combinations in the following order of
226 # priority from lowest to highest:
229 # * python2-config as per pep-0394.
230 # * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
232 PYTHON_AUTO := python-config
233 PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
234 PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
235 PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
237 # If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user
238 # supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
241 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
242 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
243 $(call $(error $(PYTHON)-config not found)))
247 # Select either auto detected python and python-config or use user supplied values if they are
248 # defined. get-executable-or-default fails with an error if the first argument is supplied but
250 override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
251 override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
253 grep-libs = $(filter -l%,$(1))
254 strip-libs = $(filter-out -l%,$(1))
256 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
258 # Python 3.8 changed the output of `python-config --ldflags` to not include the
259 # '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
260 # libpython fails if that flag is not included in LDFLAGS
261 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
262 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
264 PYTHON_CONFIG_LDFLAGS := --ldflags
268 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
269 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
270 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
271 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
272 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
273 ifeq ($(CC_NO_CLANG), 0)
274 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
278 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
279 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
281 FEATURE_CHECK_LDFLAGS-libaio = -lrt
283 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
285 CORE_CFLAGS += -fno-omit-frame-pointer
286 CORE_CFLAGS += -ggdb3
287 CORE_CFLAGS += -funwind-tables
289 CORE_CFLAGS += -Wextra
290 CORE_CFLAGS += -std=gnu99
292 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
294 CXXFLAGS += -fno-omit-frame-pointer
296 CXXFLAGS += -funwind-tables
297 CXXFLAGS += -Wno-strict-aliasing
299 # Enforce a non-executable stack, as we may regress (again) in the future by
300 # adding assembler files missing the .GNU-stack linker note.
301 LDFLAGS += -Wl,-z,noexecstack
303 EXTLIBS = -lpthread -lrt -lm -ldl
306 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
307 EXTLIBS += -ltcmalloc
310 ifeq ($(FEATURES_DUMP),)
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.)
641 dwarf-post-unwind := 1
642 dwarf-post-unwind-text := BUG
644 # setup DWARF post unwinder
646 ifdef NO_LIBDW_DWARF_UNWIND
647 msg := $(warning Disabling post unwind, no support found.);
648 dwarf-post-unwind := 0
650 dwarf-post-unwind-text := libdw
651 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
654 dwarf-post-unwind-text := libunwind
655 $(call detected,CONFIG_LIBUNWIND)
656 # Enable libunwind support by default.
657 ifndef NO_LIBDW_DWARF_UNWIND
658 NO_LIBDW_DWARF_UNWIND := 1
662 ifeq ($(dwarf-post-unwind),1)
663 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
664 $(call detected,CONFIG_DWARF_UNWIND)
669 ifndef NO_LOCAL_LIBUNWIND
670 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
671 $(call feature_check,libunwind-debug-frame)
672 ifneq ($(feature-libunwind-debug-frame), 1)
673 msg := $(warning No debug_frame support found in libunwind);
674 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
677 # non-ARM has no dwarf_find_debug_frame() function:
678 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
680 EXTLIBS += $(LIBUNWIND_LIBS)
681 LDFLAGS += $(LIBUNWIND_LIBS)
683 ifeq ($(findstring -static,${LDFLAGS}),-static)
684 # gcc -static links libgcc_eh which contans piece of libunwind
685 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
689 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
690 CFLAGS += $(LIBUNWIND_CFLAGS)
691 LDFLAGS += $(LIBUNWIND_LDFLAGS)
692 EXTLIBS += $(EXTLIBS_LIBUNWIND)
695 ifeq ($(NO_SYSCALL_TABLE),0)
696 $(call detected,CONFIG_TRACE)
699 $(call feature_check,libaudit)
700 ifneq ($(feature-libaudit), 1)
701 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
704 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
706 $(call detected,CONFIG_TRACE)
712 ifneq ($(feature-libcrypto), 1)
713 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
716 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
718 $(call detected,CONFIG_CRYPTO)
727 ifneq ($(feature-libslang), 1)
728 ifneq ($(feature-libslang-include-subdir), 1)
729 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
732 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
736 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
737 CFLAGS += -DHAVE_SLANG_SUPPORT
739 $(call detected,CONFIG_SLANG)
744 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
745 $(call feature_check,gtk2)
746 ifneq ($(feature-gtk2), 1)
747 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
750 $(call feature_check,gtk2-infobar)
751 ifeq ($(feature-gtk2-infobar), 1)
752 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
754 CFLAGS += -DHAVE_GTK2_SUPPORT
755 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
756 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
762 CFLAGS += -DNO_LIBPERL
764 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
765 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
766 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
767 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
768 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
769 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
770 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
771 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
773 ifneq ($(feature-libperl), 1)
774 CFLAGS += -DNO_LIBPERL
776 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
778 LDFLAGS += $(PERL_EMBED_LDFLAGS)
779 EXTLIBS += $(PERL_EMBED_LIBADD)
780 CFLAGS += -DHAVE_LIBPERL_SUPPORT
781 ifeq ($(CC_NO_CLANG), 0)
782 CFLAGS += -Wno-compound-token-split-by-macro
784 $(call detected,CONFIG_LIBPERL)
788 ifeq ($(feature-timerfd), 1)
789 CFLAGS += -DHAVE_TIMERFD_SUPPORT
791 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
794 disable-python = $(eval $(disable-python_code))
795 define disable-python_code
796 CFLAGS += -DNO_LIBPYTHON
802 $(call disable-python,Python support disabled by user)
806 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
808 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
811 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
814 ifneq ($(feature-libpython), 1)
815 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
817 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
818 EXTLIBS += $(PYTHON_EMBED_LIBADD)
819 LANG_BINDINGS += $(obj-perf)python/perf.so
820 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
821 $(call detected,CONFIG_LIBPYTHON)
829 ifeq ($(feature-libbfd), 1)
830 EXTLIBS += -lbfd -lopcodes
832 # we are on a system that requires -liberty and (maybe) -lz
833 # to link against -lbfd; test each case individually here
835 # call all detections now so we get correct
836 # status in VF output
837 $(call feature_check,libbfd-liberty)
838 $(call feature_check,libbfd-liberty-z)
840 ifeq ($(feature-libbfd-liberty), 1)
841 EXTLIBS += -lbfd -lopcodes -liberty
842 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
844 ifeq ($(feature-libbfd-liberty-z), 1)
845 EXTLIBS += -lbfd -lopcodes -liberty -lz
846 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
849 $(call feature_check,disassembler-four-args)
852 ifeq ($(feature-libbfd-buildid), 1)
853 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
855 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
860 CFLAGS += -DNO_DEMANGLE
862 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
865 ifeq ($(filter -liberty,$(EXTLIBS)),)
866 $(call feature_check,cplus-demangle)
868 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
869 # or any of 'bfd iberty z' trinity
870 ifeq ($(feature-cplus-demangle), 1)
873 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
874 CFLAGS += -DNO_DEMANGLE
879 ifneq ($(filter -liberty,$(EXTLIBS)),)
880 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
884 ifneq ($(filter -lbfd,$(EXTLIBS)),)
885 CFLAGS += -DHAVE_LIBBFD_SUPPORT
889 ifeq ($(feature-zlib), 1)
890 CFLAGS += -DHAVE_ZLIB_SUPPORT
892 $(call detected,CONFIG_ZLIB)
899 ifeq ($(feature-lzma), 1)
900 CFLAGS += -DHAVE_LZMA_SUPPORT
902 $(call detected,CONFIG_LZMA)
904 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
910 ifeq ($(feature-libzstd), 1)
911 CFLAGS += -DHAVE_ZSTD_SUPPORT
912 CFLAGS += $(LIBZSTD_CFLAGS)
913 LDFLAGS += $(LIBZSTD_LDFLAGS)
915 $(call detected,CONFIG_ZSTD)
917 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
923 ifeq ($(feature-libcap), 1)
924 CFLAGS += -DHAVE_LIBCAP_SUPPORT
926 $(call detected,CONFIG_LIBCAP)
928 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
934 ifeq ($(feature-backtrace), 1)
935 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
940 ifeq ($(feature-libnuma), 0)
941 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
944 ifeq ($(feature-numa_num_possible_cpus), 0)
945 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
948 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
950 $(call detected,CONFIG_NUMA)
955 ifdef HAVE_KVM_STAT_SUPPORT
956 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
959 ifeq ($(feature-disassembler-four-args), 1)
960 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
963 ifeq (${IS_64_BIT}, 1)
964 ifndef NO_PERF_READ_VDSO32
965 $(call feature_check,compile-32)
966 ifeq ($(feature-compile-32), 1)
967 CFLAGS += -DHAVE_PERF_READ_VDSO32
969 NO_PERF_READ_VDSO32 := 1
972 ifneq ($(SRCARCH), x86)
973 NO_PERF_READ_VDSOX32 := 1
975 ifndef NO_PERF_READ_VDSOX32
976 $(call feature_check,compile-x32)
977 ifeq ($(feature-compile-x32), 1)
978 CFLAGS += -DHAVE_PERF_READ_VDSOX32
980 NO_PERF_READ_VDSOX32 := 1
984 NO_PERF_READ_VDSO32 := 1
985 NO_PERF_READ_VDSOX32 := 1
988 ifndef NO_LIBBABELTRACE
989 $(call feature_check,libbabeltrace)
990 ifeq ($(feature-libbabeltrace), 1)
991 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
992 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
993 EXTLIBS += -lbabeltrace-ctf
994 $(call detected,CONFIG_LIBBABELTRACE)
996 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1001 ifeq ($(SRCARCH),x86)
1002 ifeq ($(feature-get_cpuid), 0)
1003 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1008 $(call detected,CONFIG_AUXTRACE)
1009 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1014 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1015 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1017 ifneq (,$(wildcard /usr/sbin/alternatives))
1018 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1022 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1028 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1029 $(call feature_check,jvmti)
1030 ifeq ($(feature-jvmti), 1)
1031 $(call detected_var,JDIR)
1032 ifndef NO_JVMTI_CMLR
1033 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1034 $(call feature_check,jvmti-cmlr)
1035 ifeq ($(feature-jvmti-cmlr), 1)
1036 CFLAGS += -DHAVE_JVMTI_CMLR
1038 endif # NO_JVMTI_CMLR
1040 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1048 $(call feature_check,cxx)
1049 ifneq ($(feature-cxx), 1)
1050 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1052 $(call feature_check,llvm)
1053 $(call feature_check,llvm-version)
1054 ifneq ($(feature-llvm), 1)
1055 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1057 $(call feature_check,clang)
1058 ifneq ($(feature-clang), 1)
1059 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1061 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1062 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1063 $(call detected,CONFIG_CXX)
1064 $(call detected,CONFIG_CLANGLLVM)
1068 ifneq ($(feature-llvm-version),1)
1069 msg := $(warning This version of LLVM is not tested. May cause build errors)
1077 $(call feature_check,libpfm4)
1078 ifeq ($(feature-libpfm4), 1)
1079 CFLAGS += -DHAVE_LIBPFM
1081 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1082 $(call detected,CONFIG_LIBPFM4)
1084 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1089 # Among the variables below, these:
1097 # ETC_PERFCONFIG (but not sysconfdir)
1098 # can be specified as a relative path some/where/else;
1099 # this is interpreted as relative to $(prefix) and "perf" at
1100 # runtime figures out where they are based on the path to the executable.
1101 # This can help installing the suite in a relocatable way.
1103 # Make the path relative to DESTDIR, not to prefix
1107 bindir_relative = bin
1108 bindir = $(abspath $(prefix)/$(bindir_relative))
1110 infodir = share/info
1111 perfexecdir = libexec/perf-core
1112 perf_include_dir = lib/perf/include
1113 perf_examples_dir = lib/perf/examples
1114 sharedir = $(prefix)/share
1115 template_dir = share/perf-core/templates
1116 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1117 htmldir = share/doc/perf-doc
1118 tipdir = share/doc/perf-tip
1119 srcdir = $(srctree)/tools/perf
1120 ifeq ($(prefix),/usr)
1122 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1124 sysconfdir = $(prefix)/etc
1125 ETC_PERFCONFIG = etc/perfconfig
1128 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1134 libdir = $(prefix)/$(lib)
1136 # Shell quote (do not use $(call) to accommodate ancient setups);
1137 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1138 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1139 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1140 bindir_SQ = $(subst ','\'',$(bindir))
1141 mandir_SQ = $(subst ','\'',$(mandir))
1142 infodir_SQ = $(subst ','\'',$(infodir))
1143 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1144 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1145 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1146 template_dir_SQ = $(subst ','\'',$(template_dir))
1147 htmldir_SQ = $(subst ','\'',$(htmldir))
1148 tipdir_SQ = $(subst ','\'',$(tipdir))
1149 prefix_SQ = $(subst ','\'',$(prefix))
1150 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1151 libdir_SQ = $(subst ','\'',$(libdir))
1152 srcdir_SQ = $(subst ','\'',$(srcdir))
1154 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1155 perfexec_instdir = $(perfexecdir)
1156 perf_include_instdir = $(perf_include_dir)
1157 perf_examples_instdir = $(perf_examples_dir)
1158 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1159 tip_instdir = $(tipdir)
1161 perfexec_instdir = $(prefix)/$(perfexecdir)
1162 perf_include_instdir = $(prefix)/$(perf_include_dir)
1163 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1164 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1165 tip_instdir = $(prefix)/$(tipdir)
1167 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1168 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1169 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1170 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1171 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1173 # If we install to $(HOME) we keep the traceevent default:
1174 # $(HOME)/.traceevent/plugins
1175 # Otherwise we install plugins into the global $(libdir).
1177 plugindir=$(libdir)/traceevent/plugins
1178 plugindir_SQ= $(subst ','\'',$(plugindir))
1181 print_var = $(eval $(print_var_code)) $(info $(MSG))
1182 define print_var_code
1183 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1187 # Display EXTRA features which are detected manualy
1188 # from here with feature_check call and thus cannot
1189 # be partof global state output.
1190 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1191 $(call print_var,prefix)
1192 $(call print_var,bindir)
1193 $(call print_var,libdir)
1194 $(call print_var,sysconfdir)
1195 $(call print_var,LIBUNWIND_DIR)
1196 $(call print_var,LIBDW_DIR)
1197 $(call print_var,JDIR)
1199 ifeq ($(dwarf-post-unwind),1)
1200 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1205 $(call detected_var,bindir_SQ)
1206 $(call detected_var,PYTHON_WORD)
1208 $(call detected_var,OUTPUT)
1210 $(call detected_var,htmldir_SQ)
1211 $(call detected_var,infodir_SQ)
1212 $(call detected_var,mandir_SQ)
1213 $(call detected_var,ETC_PERFCONFIG_SQ)
1214 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1215 $(call detected_var,prefix_SQ)
1216 $(call detected_var,perfexecdir_SQ)
1217 $(call detected_var,perf_include_dir_SQ)
1218 $(call detected_var,perf_examples_dir_SQ)
1219 $(call detected_var,tipdir_SQ)
1220 $(call detected_var,srcdir_SQ)
1221 $(call detected_var,LIBDIR)
1222 $(call detected_var,GTK_CFLAGS)
1223 $(call detected_var,PERL_EMBED_CCOPTS)
1224 $(call detected_var,PYTHON_EMBED_CCOPTS)