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) $(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 we catch a
227 # python[-config] in version 3, the version check will kill it.
228 PYTHON2 := $(if $(call get-executable,python2),python2,python)
229 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
231 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
232 override PYTHON_CONFIG := \
233 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
235 grep-libs = $(filter -l%,$(1))
236 strip-libs = $(filter-out -l%,$(1))
238 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
240 # Python 3.8 changed the output of `python-config --ldflags` to not include the
241 # '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
242 # libpython fails if that flag is not included in LDFLAGS
243 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
244 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
246 PYTHON_CONFIG_LDFLAGS := --ldflags
250 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
251 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
252 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
253 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
254 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
257 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
258 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
259 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
260 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
262 FEATURE_CHECK_LDFLAGS-libaio = -lrt
264 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
266 CORE_CFLAGS += -fno-omit-frame-pointer
267 CORE_CFLAGS += -ggdb3
268 CORE_CFLAGS += -funwind-tables
270 CORE_CFLAGS += -Wextra
271 CORE_CFLAGS += -std=gnu99
273 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
275 CXXFLAGS += -fno-omit-frame-pointer
277 CXXFLAGS += -funwind-tables
278 CXXFLAGS += -Wno-strict-aliasing
280 # Enforce a non-executable stack, as we may regress (again) in the future by
281 # adding assembler files missing the .GNU-stack linker note.
282 LDFLAGS += -Wl,-z,noexecstack
284 EXTLIBS = -lpthread -lrt -lm -ldl
287 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
288 EXTLIBS += -ltcmalloc
291 ifeq ($(FEATURES_DUMP),)
292 include $(srctree)/tools/build/Makefile.feature
294 include $(FEATURES_DUMP)
297 ifeq ($(feature-stackprotector-all), 1)
298 CORE_CFLAGS += -fstack-protector-all
302 ifeq ($(feature-fortify-source), 1)
303 CORE_CFLAGS += -D_FORTIFY_SOURCE=2
307 INC_FLAGS += -I$(srctree)/tools/lib/perf/include
308 INC_FLAGS += -I$(src-perf)/util/include
309 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
310 INC_FLAGS += -I$(srctree)/tools/include/
311 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
312 INC_FLAGS += -I$(srctree)/tools/include/uapi
313 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
314 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
316 # $(obj-perf) for generated common-cmds.h
317 # $(obj-perf)/util for generated bison/flex headers
319 INC_FLAGS += -I$(obj-perf)/util
320 INC_FLAGS += -I$(obj-perf)
323 INC_FLAGS += -I$(src-perf)/util
324 INC_FLAGS += -I$(src-perf)
325 INC_FLAGS += -I$(srctree)/tools/lib/
327 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
329 CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
330 CXXFLAGS += $(INC_FLAGS)
332 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
334 ifeq ($(feature-sync-compare-and-swap), 1)
335 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
338 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
339 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
342 ifeq ($(feature-pthread-barrier), 1)
343 CFLAGS += -DHAVE_PTHREAD_BARRIER
347 $(call feature_check,bionic)
348 ifeq ($(feature-bionic), 1)
350 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
351 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
352 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
353 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
357 ifeq ($(feature-eventfd), 1)
358 CFLAGS += -DHAVE_EVENTFD_SUPPORT
361 ifeq ($(feature-get_current_dir_name), 1)
362 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
365 ifeq ($(feature-gettid), 1)
366 CFLAGS += -DHAVE_GETTID
369 ifeq ($(feature-file-handle), 1)
370 CFLAGS += -DHAVE_FILE_HANDLE
377 NO_LIBDW_DWARF_UNWIND := 1
381 ifeq ($(feature-libelf), 0)
382 ifeq ($(feature-glibc), 1)
388 ifeq ($(LIBC_SUPPORT),1)
389 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);
395 NO_LIBDW_DWARF_UNWIND := 1
399 ifneq ($(filter s% -static%,$(LDFLAGS),),)
400 msg := $(error No static glibc found, please install glibc-static);
402 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
406 ifndef NO_LIBDW_DWARF_UNWIND
407 ifneq ($(feature-libdw-dwarf-unwind),1)
408 NO_LIBDW_DWARF_UNWIND := 1
409 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
412 ifneq ($(feature-dwarf), 1)
414 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);
418 ifneq ($(feature-dwarf_getlocations), 1)
419 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
421 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
422 endif # dwarf_getlocations
423 endif # Dwarf support
424 endif # libelf support
427 ifeq ($(feature-glibc), 1)
428 CFLAGS += -DHAVE_GLIBC_SUPPORT
431 ifeq ($(feature-libaio), 1)
433 CFLAGS += -DHAVE_AIO_SUPPORT
438 NO_LIBDW_DWARF_UNWIND := 1
441 ifeq ($(feature-sched_getcpu), 1)
442 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
445 ifeq ($(feature-setns), 1)
446 CFLAGS += -DHAVE_SETNS_SUPPORT
447 $(call detected,CONFIG_SETNS)
451 $(call feature_check,libopencsd)
452 ifeq ($(feature-libopencsd), 1)
453 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
454 ifeq ($(feature-reallocarray), 0)
455 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
457 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
458 EXTLIBS += $(OPENCSDLIBS)
459 $(call detected,CONFIG_LIBOPENCSD)
461 CFLAGS += -DCS_DEBUG_RAW
462 ifeq (${CSTRACE_RAW}, packed)
463 CFLAGS += -DCS_RAW_PACKED
470 CFLAGS += -DHAVE_LIBELF_SUPPORT
472 $(call detected,CONFIG_LIBELF)
474 ifeq ($(feature-libelf-mmap), 1)
475 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
478 ifeq ($(feature-libelf-getphdrnum), 1)
479 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
482 ifeq ($(feature-libelf-gelf_getnote), 1)
483 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
485 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
488 ifeq ($(feature-libelf-getshdrstrndx), 1)
489 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
493 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
494 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
497 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
498 LDFLAGS += $(LIBDW_LDFLAGS)
499 EXTLIBS += ${DWARFLIBS}
500 $(call detected,CONFIG_DWARF)
501 endif # PERF_HAVE_DWARF_REGS
505 ifeq ($(feature-bpf), 1)
506 CFLAGS += -DHAVE_LIBBPF_SUPPORT
507 $(call detected,CONFIG_LIBBPF)
509 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
510 $(call feature_check,libbpf)
512 ifeq ($(feature-libbpf), 1)
515 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
521 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
522 CFLAGS += -DHAVE_BPF_PROLOGUE
523 $(call detected,CONFIG_BPF_PROLOGUE)
525 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
528 msg := $(warning DWARF support is off, BPF prologue is disabled);
535 ifneq ($(feature-sdt), 1)
536 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
539 CFLAGS += -DHAVE_SDT_EVENT
540 $(call detected,CONFIG_SDT_EVENT)
544 ifdef PERF_HAVE_JITDUMP
546 $(call detected,CONFIG_JITDUMP)
547 CFLAGS += -DHAVE_JITDUMP
551 ifeq ($(SRCARCH),powerpc)
553 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
560 $(call feature_check,libunwind-x86)
561 ifeq ($(feature-libunwind-x86), 1)
562 $(call detected,CONFIG_LIBUNWIND_X86)
563 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
564 LDFLAGS += -lunwind-x86
565 EXTLIBS_LIBUNWIND += -lunwind-x86
569 $(call feature_check,libunwind-aarch64)
570 ifeq ($(feature-libunwind-aarch64), 1)
571 $(call detected,CONFIG_LIBUNWIND_AARCH64)
572 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
573 LDFLAGS += -lunwind-aarch64
574 EXTLIBS_LIBUNWIND += -lunwind-aarch64
576 $(call feature_check,libunwind-debug-frame-aarch64)
577 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
578 msg := $(warning No debug_frame support found in libunwind-aarch64);
579 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
583 ifneq ($(feature-libunwind), 1)
584 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
585 NO_LOCAL_LIBUNWIND := 1
588 $(call detected,CONFIG_LOCAL_LIBUNWIND)
591 ifneq ($(have_libunwind), 1)
595 NO_LOCAL_LIBUNWIND := 1
599 ifneq ($(feature-bpf), 1)
600 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
605 dwarf-post-unwind := 1
606 dwarf-post-unwind-text := BUG
608 # setup DWARF post unwinder
610 ifdef NO_LIBDW_DWARF_UNWIND
611 msg := $(warning Disabling post unwind, no support found.);
612 dwarf-post-unwind := 0
614 dwarf-post-unwind-text := libdw
615 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
618 dwarf-post-unwind-text := libunwind
619 $(call detected,CONFIG_LIBUNWIND)
620 # Enable libunwind support by default.
621 ifndef NO_LIBDW_DWARF_UNWIND
622 NO_LIBDW_DWARF_UNWIND := 1
626 ifeq ($(dwarf-post-unwind),1)
627 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
628 $(call detected,CONFIG_DWARF_UNWIND)
633 ifndef NO_LOCAL_LIBUNWIND
634 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
635 $(call feature_check,libunwind-debug-frame)
636 ifneq ($(feature-libunwind-debug-frame), 1)
637 msg := $(warning No debug_frame support found in libunwind);
638 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
641 # non-ARM has no dwarf_find_debug_frame() function:
642 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
644 EXTLIBS += $(LIBUNWIND_LIBS)
645 LDFLAGS += $(LIBUNWIND_LIBS)
647 ifeq ($(findstring -static,${LDFLAGS}),-static)
648 # gcc -static links libgcc_eh which contans piece of libunwind
649 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
653 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
654 CFLAGS += $(LIBUNWIND_CFLAGS)
655 LDFLAGS += $(LIBUNWIND_LDFLAGS)
656 EXTLIBS += $(EXTLIBS_LIBUNWIND)
659 ifeq ($(NO_SYSCALL_TABLE),0)
660 $(call detected,CONFIG_TRACE)
663 $(call feature_check,libaudit)
664 ifneq ($(feature-libaudit), 1)
665 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
668 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
670 $(call detected,CONFIG_TRACE)
676 ifneq ($(feature-libcrypto), 1)
677 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
680 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
682 $(call detected,CONFIG_CRYPTO)
691 ifneq ($(feature-libslang), 1)
692 ifneq ($(feature-libslang-include-subdir), 1)
693 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
696 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
700 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
701 CFLAGS += -DHAVE_SLANG_SUPPORT
703 $(call detected,CONFIG_SLANG)
708 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
709 ifneq ($(feature-gtk2), 1)
710 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
713 ifeq ($(feature-gtk2-infobar), 1)
714 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
716 CFLAGS += -DHAVE_GTK2_SUPPORT
717 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
718 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
724 CFLAGS += -DNO_LIBPERL
726 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
727 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
728 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
729 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
730 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
731 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
732 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
734 ifneq ($(feature-libperl), 1)
735 CFLAGS += -DNO_LIBPERL
737 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
739 LDFLAGS += $(PERL_EMBED_LDFLAGS)
740 EXTLIBS += $(PERL_EMBED_LIBADD)
741 CFLAGS += -DHAVE_LIBPERL_SUPPORT
742 $(call detected,CONFIG_LIBPERL)
746 ifeq ($(feature-timerfd), 1)
747 CFLAGS += -DHAVE_TIMERFD_SUPPORT
749 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
752 disable-python = $(eval $(disable-python_code))
753 define disable-python_code
754 CFLAGS += -DNO_LIBPYTHON
760 $(call disable-python,Python support disabled by user)
764 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
766 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
769 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
772 ifneq ($(feature-libpython), 1)
773 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
775 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
776 EXTLIBS += $(PYTHON_EMBED_LIBADD)
777 LANG_BINDINGS += $(obj-perf)python/perf.so
778 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
779 $(call detected,CONFIG_LIBPYTHON)
785 ifeq ($(feature-libbfd), 1)
786 EXTLIBS += -lbfd -lopcodes
788 # we are on a system that requires -liberty and (maybe) -lz
789 # to link against -lbfd; test each case individually here
791 # call all detections now so we get correct
792 # status in VF output
793 $(call feature_check,libbfd-liberty)
794 $(call feature_check,libbfd-liberty-z)
796 ifeq ($(feature-libbfd-liberty), 1)
797 EXTLIBS += -lbfd -lopcodes -liberty
798 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
800 ifeq ($(feature-libbfd-liberty-z), 1)
801 EXTLIBS += -lbfd -lopcodes -liberty -lz
802 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
805 $(call feature_check,disassembler-four-args)
809 CFLAGS += -DNO_DEMANGLE
811 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
814 ifeq ($(filter -liberty,$(EXTLIBS)),)
815 $(call feature_check,cplus-demangle)
817 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
818 # or any of 'bfd iberty z' trinity
819 ifeq ($(feature-cplus-demangle), 1)
822 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
823 CFLAGS += -DNO_DEMANGLE
828 ifneq ($(filter -liberty,$(EXTLIBS)),)
829 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
833 ifneq ($(filter -lbfd,$(EXTLIBS)),)
834 CFLAGS += -DHAVE_LIBBFD_SUPPORT
838 ifeq ($(feature-zlib), 1)
839 CFLAGS += -DHAVE_ZLIB_SUPPORT
841 $(call detected,CONFIG_ZLIB)
848 ifeq ($(feature-lzma), 1)
849 CFLAGS += -DHAVE_LZMA_SUPPORT
851 $(call detected,CONFIG_LZMA)
853 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
859 ifeq ($(feature-libzstd), 1)
860 CFLAGS += -DHAVE_ZSTD_SUPPORT
861 CFLAGS += $(LIBZSTD_CFLAGS)
862 LDFLAGS += $(LIBZSTD_LDFLAGS)
864 $(call detected,CONFIG_ZSTD)
866 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
872 ifeq ($(feature-libcap), 1)
873 CFLAGS += -DHAVE_LIBCAP_SUPPORT
875 $(call detected,CONFIG_LIBCAP)
877 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
883 ifeq ($(feature-backtrace), 1)
884 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
889 ifeq ($(feature-libnuma), 0)
890 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
893 ifeq ($(feature-numa_num_possible_cpus), 0)
894 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
897 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
899 $(call detected,CONFIG_NUMA)
904 ifdef HAVE_KVM_STAT_SUPPORT
905 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
908 ifeq ($(feature-disassembler-four-args), 1)
909 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
912 ifeq (${IS_64_BIT}, 1)
913 ifndef NO_PERF_READ_VDSO32
914 $(call feature_check,compile-32)
915 ifeq ($(feature-compile-32), 1)
916 CFLAGS += -DHAVE_PERF_READ_VDSO32
918 NO_PERF_READ_VDSO32 := 1
921 ifneq ($(SRCARCH), x86)
922 NO_PERF_READ_VDSOX32 := 1
924 ifndef NO_PERF_READ_VDSOX32
925 $(call feature_check,compile-x32)
926 ifeq ($(feature-compile-x32), 1)
927 CFLAGS += -DHAVE_PERF_READ_VDSOX32
929 NO_PERF_READ_VDSOX32 := 1
933 NO_PERF_READ_VDSO32 := 1
934 NO_PERF_READ_VDSOX32 := 1
937 ifndef NO_LIBBABELTRACE
938 $(call feature_check,libbabeltrace)
939 ifeq ($(feature-libbabeltrace), 1)
940 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
941 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
942 EXTLIBS += -lbabeltrace-ctf
943 $(call detected,CONFIG_LIBBABELTRACE)
945 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
950 ifeq ($(SRCARCH),x86)
951 ifeq ($(feature-get_cpuid), 0)
952 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
957 $(call detected,CONFIG_AUXTRACE)
958 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
963 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
964 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
966 ifneq (,$(wildcard /usr/sbin/alternatives))
967 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
971 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
977 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
978 $(call feature_check,jvmti)
979 ifeq ($(feature-jvmti), 1)
980 $(call detected_var,JDIR)
982 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
983 $(call feature_check,jvmti-cmlr)
984 ifeq ($(feature-jvmti-cmlr), 1)
985 CFLAGS += -DHAVE_JVMTI_CMLR
987 endif # NO_JVMTI_CMLR
989 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
997 $(call feature_check,cxx)
998 ifneq ($(feature-cxx), 1)
999 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1001 $(call feature_check,llvm)
1002 $(call feature_check,llvm-version)
1003 ifneq ($(feature-llvm), 1)
1004 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1006 $(call feature_check,clang)
1007 ifneq ($(feature-clang), 1)
1008 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1010 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1011 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1012 $(call detected,CONFIG_CXX)
1013 $(call detected,CONFIG_CLANGLLVM)
1017 ifneq ($(feature-llvm-version),1)
1018 msg := $(warning This version of LLVM is not tested. May cause build errors)
1026 $(call feature_check,libpfm4)
1027 ifeq ($(feature-libpfm4), 1)
1028 CFLAGS += -DHAVE_LIBPFM
1030 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1031 $(call detected,CONFIG_LIBPFM4)
1033 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1038 # Among the variables below, these:
1046 # ETC_PERFCONFIG (but not sysconfdir)
1047 # can be specified as a relative path some/where/else;
1048 # this is interpreted as relative to $(prefix) and "perf" at
1049 # runtime figures out where they are based on the path to the executable.
1050 # This can help installing the suite in a relocatable way.
1052 # Make the path relative to DESTDIR, not to prefix
1056 bindir_relative = bin
1057 bindir = $(abspath $(prefix)/$(bindir_relative))
1059 infodir = share/info
1060 perfexecdir = libexec/perf-core
1061 perf_include_dir = lib/perf/include
1062 perf_examples_dir = lib/perf/examples
1063 sharedir = $(prefix)/share
1064 template_dir = share/perf-core/templates
1065 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1066 htmldir = share/doc/perf-doc
1067 tipdir = share/doc/perf-tip
1068 srcdir = $(srctree)/tools/perf
1069 ifeq ($(prefix),/usr)
1071 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1073 sysconfdir = $(prefix)/etc
1074 ETC_PERFCONFIG = etc/perfconfig
1077 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1083 libdir = $(prefix)/$(lib)
1085 # Shell quote (do not use $(call) to accommodate ancient setups);
1086 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1087 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1088 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1089 bindir_SQ = $(subst ','\'',$(bindir))
1090 mandir_SQ = $(subst ','\'',$(mandir))
1091 infodir_SQ = $(subst ','\'',$(infodir))
1092 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1093 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1094 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1095 template_dir_SQ = $(subst ','\'',$(template_dir))
1096 htmldir_SQ = $(subst ','\'',$(htmldir))
1097 tipdir_SQ = $(subst ','\'',$(tipdir))
1098 prefix_SQ = $(subst ','\'',$(prefix))
1099 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1100 libdir_SQ = $(subst ','\'',$(libdir))
1101 srcdir_SQ = $(subst ','\'',$(srcdir))
1103 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1104 perfexec_instdir = $(perfexecdir)
1105 perf_include_instdir = $(perf_include_dir)
1106 perf_examples_instdir = $(perf_examples_dir)
1107 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1108 tip_instdir = $(tipdir)
1110 perfexec_instdir = $(prefix)/$(perfexecdir)
1111 perf_include_instdir = $(prefix)/$(perf_include_dir)
1112 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1113 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1114 tip_instdir = $(prefix)/$(tipdir)
1116 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1117 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1118 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1119 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1120 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1122 # If we install to $(HOME) we keep the traceevent default:
1123 # $(HOME)/.traceevent/plugins
1124 # Otherwise we install plugins into the global $(libdir).
1126 plugindir=$(libdir)/traceevent/plugins
1127 plugindir_SQ= $(subst ','\'',$(plugindir))
1130 print_var = $(eval $(print_var_code)) $(info $(MSG))
1131 define print_var_code
1132 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1136 # Display EXTRA features which are detected manualy
1137 # from here with feature_check call and thus cannot
1138 # be partof global state output.
1139 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1140 $(call print_var,prefix)
1141 $(call print_var,bindir)
1142 $(call print_var,libdir)
1143 $(call print_var,sysconfdir)
1144 $(call print_var,LIBUNWIND_DIR)
1145 $(call print_var,LIBDW_DIR)
1146 $(call print_var,JDIR)
1148 ifeq ($(dwarf-post-unwind),1)
1149 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1154 $(call detected_var,bindir_SQ)
1155 $(call detected_var,PYTHON_WORD)
1157 $(call detected_var,OUTPUT)
1159 $(call detected_var,htmldir_SQ)
1160 $(call detected_var,infodir_SQ)
1161 $(call detected_var,mandir_SQ)
1162 $(call detected_var,ETC_PERFCONFIG_SQ)
1163 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1164 $(call detected_var,prefix_SQ)
1165 $(call detected_var,perfexecdir_SQ)
1166 $(call detected_var,perf_include_dir_SQ)
1167 $(call detected_var,perf_examples_dir_SQ)
1168 $(call detected_var,tipdir_SQ)
1169 $(call detected_var,srcdir_SQ)
1170 $(call detected_var,LIBDIR)
1171 $(call detected_var,GTK_CFLAGS)
1172 $(call detected_var,PERL_EMBED_CCOPTS)
1173 $(call detected_var,PYTHON_EMBED_CCOPTS)