1 # SPDX-License-Identifier: GPL-2.0-only
4 src-perf := $(srctree)/tools/perf
12 obj-perf := $(abspath $(obj-perf))/
15 $(shell printf "" > $(OUTPUT).config-detected)
16 detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
17 detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
19 CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
21 include $(srctree)/tools/scripts/Makefile.arch
23 $(call detected_var,SRCARCH)
27 ifneq ($(NO_SYSCALL_TABLE),1)
31 ifeq (${IS_64_BIT}, 1)
35 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips))
40 ifneq ($(NO_SYSCALL_TABLE),1)
41 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
45 # Additional ARCH settings for ppc
46 ifeq ($(SRCARCH),powerpc)
48 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
49 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
52 # Additional ARCH settings for x86
54 $(call detected,CONFIG_X86)
55 ifeq (${IS_64_BIT}, 1)
56 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
57 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
58 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
59 $(call detected,CONFIG_X86_64)
61 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
68 LIBUNWIND_LIBS = -lunwind -lunwind-arm
71 ifeq ($(SRCARCH),arm64)
73 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
74 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
77 ifeq ($(SRCARCH),riscv)
81 ifeq ($(SRCARCH),csky)
87 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
92 CFLAGS += -I$(OUTPUT)arch/mips/include/generated
93 CFLAGS += -I../../arch/mips/include/uapi -I../../arch/mips/include/generated/uapi
94 LIBUNWIND_LIBS = -lunwind -lunwind-mips
97 ifeq ($(NO_PERF_REGS),0)
98 $(call detected,CONFIG_PERF_REGS)
101 # So far there's only x86 and arm libdw unwind support merged in perf.
102 # Disable it on all other architectures in case libdw unwind
103 # support is detected in system. Add supported architectures
105 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
106 NO_LIBDW_DWARF_UNWIND := 1
109 ifeq ($(LIBUNWIND_LIBS),)
113 # For linking with debug library, run like:
115 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
118 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
119 define libunwind_arch_set_flags_code
120 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
121 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
125 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
126 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
127 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
128 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
131 # Set per-feature check compilation flags
132 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
133 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
134 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
135 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
137 FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
138 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
139 FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
140 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
142 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
145 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
147 OPENCSDLIBS := -lopencsd_c_api -lopencsd
149 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
151 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
152 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
154 ifeq ($(NO_PERF_REGS),0)
155 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
158 # for linking with debug library, run like:
159 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
161 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
162 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
165 ifeq ($(findstring -static,${LDFLAGS}),-static)
166 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
168 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
169 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
171 # for linking with debug library, run like:
172 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
173 ifdef LIBBABELTRACE_DIR
174 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
175 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
177 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
178 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
181 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
182 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
184 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
185 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
187 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
188 # include ARCH specific config
189 -include $(src-perf)/arch/$(SRCARCH)/Makefile
191 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
192 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
195 include $(srctree)/tools/scripts/utilities.mak
197 ifeq ($(call get-executable,$(FLEX)),)
198 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
201 ifeq ($(call get-executable,$(BISON)),)
202 dummy := $(error Error: $(BISON) is missing on this system, please install it)
205 # Treat warnings as errors unless directed not to
207 CORE_CFLAGS += -Werror
216 ifeq ($(CC_NO_CLANG), 0)
224 PARSER_DEBUG_BISON := -t
225 PARSER_DEBUG_FLEX := -d
226 CFLAGS += -DPARSER_DEBUG
227 $(call detected_var,PARSER_DEBUG_BISON)
228 $(call detected_var,PARSER_DEBUG_FLEX)
231 # Try different combinations to accommodate systems that only have
232 # python[2][-config] in weird combinations but always preferring
233 # python2 and python2-config as per pep-0394. If python2 or python
234 # aren't found, then python3 is used.
235 PYTHON_AUTO := python
236 PYTHON_AUTO := $(if $(call get-executable,python3),python3,$(PYTHON_AUTO))
237 PYTHON_AUTO := $(if $(call get-executable,python),python,$(PYTHON_AUTO))
238 PYTHON_AUTO := $(if $(call get-executable,python2),python2,$(PYTHON_AUTO))
239 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON_AUTO))
240 PYTHON_AUTO_CONFIG := \
241 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
242 override PYTHON_CONFIG := \
243 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO_CONFIG))
245 grep-libs = $(filter -l%,$(1))
246 strip-libs = $(filter-out -l%,$(1))
248 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
250 # Python 3.8 changed the output of `python-config --ldflags` to not include the
251 # '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
252 # libpython fails if that flag is not included in LDFLAGS
253 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
254 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
256 PYTHON_CONFIG_LDFLAGS := --ldflags
260 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
261 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
262 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
263 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
264 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
267 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
268 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
269 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
270 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
272 FEATURE_CHECK_LDFLAGS-libaio = -lrt
274 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
276 CORE_CFLAGS += -fno-omit-frame-pointer
277 CORE_CFLAGS += -ggdb3
278 CORE_CFLAGS += -funwind-tables
280 CORE_CFLAGS += -Wextra
281 CORE_CFLAGS += -std=gnu99
283 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
285 CXXFLAGS += -fno-omit-frame-pointer
287 CXXFLAGS += -funwind-tables
288 CXXFLAGS += -Wno-strict-aliasing
290 # Enforce a non-executable stack, as we may regress (again) in the future by
291 # adding assembler files missing the .GNU-stack linker note.
292 LDFLAGS += -Wl,-z,noexecstack
294 EXTLIBS = -lpthread -lrt -lm -ldl
297 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
298 EXTLIBS += -ltcmalloc
301 ifeq ($(FEATURES_DUMP),)
302 # We will display at the end of this Makefile.config, using $(call feature_display_entries)
303 # As we may retry some feature detection here, see the disassembler-four-args case, for instance
304 FEATURE_DISPLAY_DEFERRED := 1
305 include $(srctree)/tools/build/Makefile.feature
307 include $(FEATURES_DUMP)
310 ifeq ($(feature-stackprotector-all), 1)
311 CORE_CFLAGS += -fstack-protector-all
315 ifeq ($(feature-fortify-source), 1)
316 CORE_CFLAGS += -D_FORTIFY_SOURCE=2
320 INC_FLAGS += -I$(srctree)/tools/lib/perf/include
321 INC_FLAGS += -I$(src-perf)/util/include
322 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
323 INC_FLAGS += -I$(srctree)/tools/include/
324 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
325 INC_FLAGS += -I$(srctree)/tools/include/uapi
326 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
327 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
329 # $(obj-perf) for generated common-cmds.h
330 # $(obj-perf)/util for generated bison/flex headers
332 INC_FLAGS += -I$(obj-perf)/util
333 INC_FLAGS += -I$(obj-perf)
336 INC_FLAGS += -I$(src-perf)/util
337 INC_FLAGS += -I$(src-perf)
338 INC_FLAGS += -I$(srctree)/tools/lib/
340 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
342 CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
343 CXXFLAGS += $(INC_FLAGS)
345 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
347 ifeq ($(feature-sync-compare-and-swap), 1)
348 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
351 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
352 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
355 ifeq ($(feature-pthread-barrier), 1)
356 CFLAGS += -DHAVE_PTHREAD_BARRIER
360 $(call feature_check,bionic)
361 ifeq ($(feature-bionic), 1)
363 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
364 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
365 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
366 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
370 ifeq ($(feature-eventfd), 1)
371 CFLAGS += -DHAVE_EVENTFD_SUPPORT
374 ifeq ($(feature-get_current_dir_name), 1)
375 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
378 ifeq ($(feature-gettid), 1)
379 CFLAGS += -DHAVE_GETTID
382 ifeq ($(feature-file-handle), 1)
383 CFLAGS += -DHAVE_FILE_HANDLE
390 NO_LIBDW_DWARF_UNWIND := 1
394 ifeq ($(feature-libelf), 0)
395 ifeq ($(feature-glibc), 1)
401 ifeq ($(LIBC_SUPPORT),1)
402 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);
408 NO_LIBDW_DWARF_UNWIND := 1
412 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
413 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
414 msg := $(error No libasan found, please install libasan);
418 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
419 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
420 msg := $(error No libubsan found, please install libubsan);
424 ifneq ($(filter s% -static%,$(LDFLAGS),),)
425 msg := $(error No static glibc found, please install glibc-static);
427 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
431 ifndef NO_LIBDW_DWARF_UNWIND
432 ifneq ($(feature-libdw-dwarf-unwind),1)
433 NO_LIBDW_DWARF_UNWIND := 1
434 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
437 ifneq ($(feature-dwarf), 1)
439 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);
443 ifneq ($(feature-dwarf_getlocations), 1)
444 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
446 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
447 endif # dwarf_getlocations
448 endif # Dwarf support
449 endif # libelf support
452 ifeq ($(feature-glibc), 1)
453 CFLAGS += -DHAVE_GLIBC_SUPPORT
456 ifeq ($(feature-libaio), 1)
458 CFLAGS += -DHAVE_AIO_SUPPORT
463 NO_LIBDW_DWARF_UNWIND := 1
466 ifeq ($(feature-sched_getcpu), 1)
467 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
470 ifeq ($(feature-setns), 1)
471 CFLAGS += -DHAVE_SETNS_SUPPORT
472 $(call detected,CONFIG_SETNS)
476 $(call feature_check,libopencsd)
477 ifeq ($(feature-libopencsd), 1)
478 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
479 ifeq ($(feature-reallocarray), 0)
480 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
482 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
483 EXTLIBS += $(OPENCSDLIBS)
484 $(call detected,CONFIG_LIBOPENCSD)
486 CFLAGS += -DCS_DEBUG_RAW
487 ifeq (${CSTRACE_RAW}, packed)
488 CFLAGS += -DCS_RAW_PACKED
495 CFLAGS += -DHAVE_LIBELF_SUPPORT
497 $(call detected,CONFIG_LIBELF)
499 ifeq ($(feature-libelf-getphdrnum), 1)
500 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
503 ifeq ($(feature-libelf-gelf_getnote), 1)
504 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
506 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
509 ifeq ($(feature-libelf-getshdrstrndx), 1)
510 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
513 ifndef NO_LIBDEBUGINFOD
514 $(call feature_check,libdebuginfod)
515 ifeq ($(feature-libdebuginfod), 1)
516 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
517 EXTLIBS += -ldebuginfod
522 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
523 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
526 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
527 LDFLAGS += $(LIBDW_LDFLAGS)
528 EXTLIBS += ${DWARFLIBS}
529 $(call detected,CONFIG_DWARF)
530 endif # PERF_HAVE_DWARF_REGS
534 ifeq ($(feature-bpf), 1)
535 CFLAGS += -DHAVE_LIBBPF_SUPPORT
536 $(call detected,CONFIG_LIBBPF)
538 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
539 $(call feature_check,libbpf)
541 ifeq ($(feature-libbpf), 1)
543 $(call detected,CONFIG_LIBBPF_DYNAMIC)
545 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
551 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
552 CFLAGS += -DHAVE_BPF_PROLOGUE
553 $(call detected,CONFIG_BPF_PROLOGUE)
555 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
558 msg := $(warning DWARF support is off, BPF prologue is disabled);
565 ifneq ($(feature-sdt), 1)
566 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
569 CFLAGS += -DHAVE_SDT_EVENT
570 $(call detected,CONFIG_SDT_EVENT)
574 ifdef PERF_HAVE_JITDUMP
576 $(call detected,CONFIG_JITDUMP)
577 CFLAGS += -DHAVE_JITDUMP
581 ifeq ($(SRCARCH),powerpc)
583 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
590 $(call feature_check,libunwind-x86)
591 ifeq ($(feature-libunwind-x86), 1)
592 $(call detected,CONFIG_LIBUNWIND_X86)
593 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
594 LDFLAGS += -lunwind-x86
595 EXTLIBS_LIBUNWIND += -lunwind-x86
599 $(call feature_check,libunwind-aarch64)
600 ifeq ($(feature-libunwind-aarch64), 1)
601 $(call detected,CONFIG_LIBUNWIND_AARCH64)
602 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
603 LDFLAGS += -lunwind-aarch64
604 EXTLIBS_LIBUNWIND += -lunwind-aarch64
606 $(call feature_check,libunwind-debug-frame-aarch64)
607 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
608 msg := $(warning No debug_frame support found in libunwind-aarch64);
609 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
613 ifneq ($(feature-libunwind), 1)
614 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
615 NO_LOCAL_LIBUNWIND := 1
618 $(call detected,CONFIG_LOCAL_LIBUNWIND)
621 ifneq ($(have_libunwind), 1)
625 NO_LOCAL_LIBUNWIND := 1
629 ifneq ($(feature-bpf), 1)
630 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
636 $(call feature_check,clang-bpf-co-re)
637 ifeq ($(feature-clang-bpf-co-re), 0)
638 dummy := $(error Error: clang too old. Please install recent clang)
640 $(call detected,CONFIG_PERF_BPF_SKEL)
641 CFLAGS += -DHAVE_BPF_SKEL
644 dwarf-post-unwind := 1
645 dwarf-post-unwind-text := BUG
647 # setup DWARF post unwinder
649 ifdef NO_LIBDW_DWARF_UNWIND
650 msg := $(warning Disabling post unwind, no support found.);
651 dwarf-post-unwind := 0
653 dwarf-post-unwind-text := libdw
654 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
657 dwarf-post-unwind-text := libunwind
658 $(call detected,CONFIG_LIBUNWIND)
659 # Enable libunwind support by default.
660 ifndef NO_LIBDW_DWARF_UNWIND
661 NO_LIBDW_DWARF_UNWIND := 1
665 ifeq ($(dwarf-post-unwind),1)
666 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
667 $(call detected,CONFIG_DWARF_UNWIND)
672 ifndef NO_LOCAL_LIBUNWIND
673 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
674 $(call feature_check,libunwind-debug-frame)
675 ifneq ($(feature-libunwind-debug-frame), 1)
676 msg := $(warning No debug_frame support found in libunwind);
677 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
680 # non-ARM has no dwarf_find_debug_frame() function:
681 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
683 EXTLIBS += $(LIBUNWIND_LIBS)
684 LDFLAGS += $(LIBUNWIND_LIBS)
686 ifeq ($(findstring -static,${LDFLAGS}),-static)
687 # gcc -static links libgcc_eh which contans piece of libunwind
688 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
692 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
693 CFLAGS += $(LIBUNWIND_CFLAGS)
694 LDFLAGS += $(LIBUNWIND_LDFLAGS)
695 EXTLIBS += $(EXTLIBS_LIBUNWIND)
698 ifeq ($(NO_SYSCALL_TABLE),0)
699 $(call detected,CONFIG_TRACE)
702 $(call feature_check,libaudit)
703 ifneq ($(feature-libaudit), 1)
704 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
707 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
709 $(call detected,CONFIG_TRACE)
715 ifneq ($(feature-libcrypto), 1)
716 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
719 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
721 $(call detected,CONFIG_CRYPTO)
730 ifneq ($(feature-libslang), 1)
731 ifneq ($(feature-libslang-include-subdir), 1)
732 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
735 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
739 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
740 CFLAGS += -DHAVE_SLANG_SUPPORT
742 $(call detected,CONFIG_SLANG)
747 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
748 $(call feature_check,gtk2)
749 ifneq ($(feature-gtk2), 1)
750 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
753 $(call feature_check,gtk2-infobar)
754 ifeq ($(feature-gtk2-infobar), 1)
755 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
757 CFLAGS += -DHAVE_GTK2_SUPPORT
758 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
759 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
765 CFLAGS += -DNO_LIBPERL
767 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
768 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
769 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
770 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
771 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
772 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
773 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
774 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
776 ifneq ($(feature-libperl), 1)
777 CFLAGS += -DNO_LIBPERL
779 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
781 LDFLAGS += $(PERL_EMBED_LDFLAGS)
782 EXTLIBS += $(PERL_EMBED_LIBADD)
783 CFLAGS += -DHAVE_LIBPERL_SUPPORT
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)
827 ifeq ($(feature-libbfd), 1)
828 EXTLIBS += -lbfd -lopcodes
830 # we are on a system that requires -liberty and (maybe) -lz
831 # to link against -lbfd; test each case individually here
833 # call all detections now so we get correct
834 # status in VF output
835 $(call feature_check,libbfd-liberty)
836 $(call feature_check,libbfd-liberty-z)
838 ifeq ($(feature-libbfd-liberty), 1)
839 EXTLIBS += -lbfd -lopcodes -liberty
840 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
842 ifeq ($(feature-libbfd-liberty-z), 1)
843 EXTLIBS += -lbfd -lopcodes -liberty -lz
844 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
847 $(call feature_check,disassembler-four-args)
850 ifeq ($(feature-libbfd-buildid), 1)
851 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
853 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
857 CFLAGS += -DNO_DEMANGLE
859 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
862 ifeq ($(filter -liberty,$(EXTLIBS)),)
863 $(call feature_check,cplus-demangle)
865 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
866 # or any of 'bfd iberty z' trinity
867 ifeq ($(feature-cplus-demangle), 1)
870 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
871 CFLAGS += -DNO_DEMANGLE
876 ifneq ($(filter -liberty,$(EXTLIBS)),)
877 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
881 ifneq ($(filter -lbfd,$(EXTLIBS)),)
882 CFLAGS += -DHAVE_LIBBFD_SUPPORT
886 ifeq ($(feature-zlib), 1)
887 CFLAGS += -DHAVE_ZLIB_SUPPORT
889 $(call detected,CONFIG_ZLIB)
896 ifeq ($(feature-lzma), 1)
897 CFLAGS += -DHAVE_LZMA_SUPPORT
899 $(call detected,CONFIG_LZMA)
901 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
907 ifeq ($(feature-libzstd), 1)
908 CFLAGS += -DHAVE_ZSTD_SUPPORT
909 CFLAGS += $(LIBZSTD_CFLAGS)
910 LDFLAGS += $(LIBZSTD_LDFLAGS)
912 $(call detected,CONFIG_ZSTD)
914 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
920 ifeq ($(feature-libcap), 1)
921 CFLAGS += -DHAVE_LIBCAP_SUPPORT
923 $(call detected,CONFIG_LIBCAP)
925 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
931 ifeq ($(feature-backtrace), 1)
932 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
937 ifeq ($(feature-libnuma), 0)
938 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
941 ifeq ($(feature-numa_num_possible_cpus), 0)
942 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
945 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
947 $(call detected,CONFIG_NUMA)
952 ifdef HAVE_KVM_STAT_SUPPORT
953 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
956 ifeq ($(feature-disassembler-four-args), 1)
957 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
960 ifeq (${IS_64_BIT}, 1)
961 ifndef NO_PERF_READ_VDSO32
962 $(call feature_check,compile-32)
963 ifeq ($(feature-compile-32), 1)
964 CFLAGS += -DHAVE_PERF_READ_VDSO32
966 NO_PERF_READ_VDSO32 := 1
969 ifneq ($(SRCARCH), x86)
970 NO_PERF_READ_VDSOX32 := 1
972 ifndef NO_PERF_READ_VDSOX32
973 $(call feature_check,compile-x32)
974 ifeq ($(feature-compile-x32), 1)
975 CFLAGS += -DHAVE_PERF_READ_VDSOX32
977 NO_PERF_READ_VDSOX32 := 1
981 NO_PERF_READ_VDSO32 := 1
982 NO_PERF_READ_VDSOX32 := 1
985 ifndef NO_LIBBABELTRACE
986 $(call feature_check,libbabeltrace)
987 ifeq ($(feature-libbabeltrace), 1)
988 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
989 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
990 EXTLIBS += -lbabeltrace-ctf
991 $(call detected,CONFIG_LIBBABELTRACE)
993 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
998 ifeq ($(SRCARCH),x86)
999 ifeq ($(feature-get_cpuid), 0)
1000 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1005 $(call detected,CONFIG_AUXTRACE)
1006 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1011 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1012 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1014 ifneq (,$(wildcard /usr/sbin/alternatives))
1015 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1019 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1025 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1026 $(call feature_check,jvmti)
1027 ifeq ($(feature-jvmti), 1)
1028 $(call detected_var,JDIR)
1029 ifndef NO_JVMTI_CMLR
1030 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1031 $(call feature_check,jvmti-cmlr)
1032 ifeq ($(feature-jvmti-cmlr), 1)
1033 CFLAGS += -DHAVE_JVMTI_CMLR
1035 endif # NO_JVMTI_CMLR
1037 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1045 $(call feature_check,cxx)
1046 ifneq ($(feature-cxx), 1)
1047 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1049 $(call feature_check,llvm)
1050 $(call feature_check,llvm-version)
1051 ifneq ($(feature-llvm), 1)
1052 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1054 $(call feature_check,clang)
1055 ifneq ($(feature-clang), 1)
1056 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1058 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1059 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1060 $(call detected,CONFIG_CXX)
1061 $(call detected,CONFIG_CLANGLLVM)
1065 ifneq ($(feature-llvm-version),1)
1066 msg := $(warning This version of LLVM is not tested. May cause build errors)
1074 $(call feature_check,libpfm4)
1075 ifeq ($(feature-libpfm4), 1)
1076 CFLAGS += -DHAVE_LIBPFM
1078 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1079 $(call detected,CONFIG_LIBPFM4)
1081 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1086 ifdef LIBTRACEEVENT_DYNAMIC
1087 $(call feature_check,libtraceevent)
1088 ifeq ($(feature-libtraceevent), 1)
1089 EXTLIBS += -ltraceevent
1091 dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1095 # Among the variables below, these:
1103 # ETC_PERFCONFIG (but not sysconfdir)
1104 # can be specified as a relative path some/where/else;
1105 # this is interpreted as relative to $(prefix) and "perf" at
1106 # runtime figures out where they are based on the path to the executable.
1107 # This can help installing the suite in a relocatable way.
1109 # Make the path relative to DESTDIR, not to prefix
1113 bindir_relative = bin
1114 bindir = $(abspath $(prefix)/$(bindir_relative))
1116 infodir = share/info
1117 perfexecdir = libexec/perf-core
1118 perf_include_dir = lib/perf/include
1119 perf_examples_dir = lib/perf/examples
1120 sharedir = $(prefix)/share
1121 template_dir = share/perf-core/templates
1122 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1123 htmldir = share/doc/perf-doc
1124 tipdir = share/doc/perf-tip
1125 srcdir = $(srctree)/tools/perf
1126 ifeq ($(prefix),/usr)
1128 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1130 sysconfdir = $(prefix)/etc
1131 ETC_PERFCONFIG = etc/perfconfig
1134 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1140 libdir = $(prefix)/$(lib)
1142 # Shell quote (do not use $(call) to accommodate ancient setups);
1143 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1144 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1145 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1146 bindir_SQ = $(subst ','\'',$(bindir))
1147 mandir_SQ = $(subst ','\'',$(mandir))
1148 infodir_SQ = $(subst ','\'',$(infodir))
1149 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1150 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1151 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1152 template_dir_SQ = $(subst ','\'',$(template_dir))
1153 htmldir_SQ = $(subst ','\'',$(htmldir))
1154 tipdir_SQ = $(subst ','\'',$(tipdir))
1155 prefix_SQ = $(subst ','\'',$(prefix))
1156 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1157 libdir_SQ = $(subst ','\'',$(libdir))
1158 srcdir_SQ = $(subst ','\'',$(srcdir))
1160 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1161 perfexec_instdir = $(perfexecdir)
1162 perf_include_instdir = $(perf_include_dir)
1163 perf_examples_instdir = $(perf_examples_dir)
1164 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1165 tip_instdir = $(tipdir)
1167 perfexec_instdir = $(prefix)/$(perfexecdir)
1168 perf_include_instdir = $(prefix)/$(perf_include_dir)
1169 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1170 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1171 tip_instdir = $(prefix)/$(tipdir)
1173 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1174 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1175 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1176 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1177 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1179 # If we install to $(HOME) we keep the traceevent default:
1180 # $(HOME)/.traceevent/plugins
1181 # Otherwise we install plugins into the global $(libdir).
1183 plugindir=$(libdir)/traceevent/plugins
1184 plugindir_SQ= $(subst ','\'',$(plugindir))
1187 print_var = $(eval $(print_var_code)) $(info $(MSG))
1188 define print_var_code
1189 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1193 # Display EXTRA features which are detected manualy
1194 # from here with feature_check call and thus cannot
1195 # be partof global state output.
1196 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1197 $(call print_var,prefix)
1198 $(call print_var,bindir)
1199 $(call print_var,libdir)
1200 $(call print_var,sysconfdir)
1201 $(call print_var,LIBUNWIND_DIR)
1202 $(call print_var,LIBDW_DIR)
1203 $(call print_var,JDIR)
1205 ifeq ($(dwarf-post-unwind),1)
1206 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1211 $(call detected_var,bindir_SQ)
1212 $(call detected_var,PYTHON_WORD)
1214 $(call detected_var,OUTPUT)
1216 $(call detected_var,htmldir_SQ)
1217 $(call detected_var,infodir_SQ)
1218 $(call detected_var,mandir_SQ)
1219 $(call detected_var,ETC_PERFCONFIG_SQ)
1220 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1221 $(call detected_var,prefix_SQ)
1222 $(call detected_var,perfexecdir_SQ)
1223 $(call detected_var,perf_include_dir_SQ)
1224 $(call detected_var,perf_examples_dir_SQ)
1225 $(call detected_var,tipdir_SQ)
1226 $(call detected_var,srcdir_SQ)
1227 $(call detected_var,LIBDIR)
1228 $(call detected_var,GTK_CFLAGS)
1229 $(call detected_var,PERL_EMBED_CCOPTS)
1230 $(call detected_var,PYTHON_EMBED_CCOPTS)
1232 # re-generate FEATURE-DUMP as we may have called feature_check, found out
1233 # extra libraries to add to LDFLAGS of some other test and then redo those
1234 # tests, see the block about libbfd, disassembler-four-args, for instance.
1235 $(shell rm -f $(FEATURE_DUMP_FILENAME))
1236 $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1238 ifeq ($(feature_display),1)
1239 $(call feature_display_entries)