1 # SPDX-License-Identifier: GPL-2.0-only
4 src-perf := $(srctree)/tools/perf
12 obj-perf := $(abspath $(obj-perf))/
15 $(shell printf "" > $(OUTPUT).config-detected)
16 detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
17 detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
19 CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
21 include $(srctree)/tools/scripts/Makefile.arch
23 $(call detected_var,SRCARCH)
27 ifneq ($(NO_SYSCALL_TABLE),1)
31 ifeq (${IS_64_BIT}, 1)
35 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390))
40 ifneq ($(NO_SYSCALL_TABLE),1)
41 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
45 # Additional ARCH settings for ppc
46 ifeq ($(SRCARCH),powerpc)
48 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
49 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
52 # Additional ARCH settings for x86
54 $(call detected,CONFIG_X86)
55 ifeq (${IS_64_BIT}, 1)
56 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
57 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
58 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
59 $(call detected,CONFIG_X86_64)
61 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
68 LIBUNWIND_LIBS = -lunwind -lunwind-arm
71 ifeq ($(SRCARCH),arm64)
73 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
74 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
77 ifeq ($(SRCARCH),riscv)
81 ifeq ($(SRCARCH),csky)
87 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
90 ifeq ($(NO_PERF_REGS),0)
91 $(call detected,CONFIG_PERF_REGS)
94 # So far there's only x86 and arm libdw unwind support merged in perf.
95 # Disable it on all other architectures in case libdw unwind
96 # support is detected in system. Add supported architectures
98 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
99 NO_LIBDW_DWARF_UNWIND := 1
102 ifeq ($(LIBUNWIND_LIBS),)
106 # For linking with debug library, run like:
108 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
111 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
112 define libunwind_arch_set_flags_code
113 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
114 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
118 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
119 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
120 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
121 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
124 # Set per-feature check compilation flags
125 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
126 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
127 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
128 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
130 FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
131 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
132 FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
133 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
135 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
138 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
140 OPENCSDLIBS := -lopencsd_c_api -lopencsd
142 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
144 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
145 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
147 ifeq ($(NO_PERF_REGS),0)
148 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
151 # for linking with debug library, run like:
152 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
154 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
155 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
158 ifeq ($(findstring -static,${LDFLAGS}),-static)
159 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
161 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
162 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
164 # for linking with debug library, run like:
165 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
166 ifdef LIBBABELTRACE_DIR
167 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
168 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
170 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
171 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
174 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
175 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
177 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
178 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
180 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
181 # include ARCH specific config
182 -include $(src-perf)/arch/$(SRCARCH)/Makefile
184 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
185 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
188 include $(srctree)/tools/scripts/utilities.mak
190 ifeq ($(call get-executable,$(FLEX)),)
191 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
194 ifeq ($(call get-executable,$(BISON)),)
195 dummy := $(error Error: $(BISON) is missing on this system, please install it)
198 # Treat warnings as errors unless directed not to
200 CORE_CFLAGS += -Werror
209 ifeq ($(CC_NO_CLANG), 0)
217 PARSER_DEBUG_BISON := -t
218 PARSER_DEBUG_FLEX := -d
219 CFLAGS += -DPARSER_DEBUG
220 $(call detected_var,PARSER_DEBUG_BISON)
221 $(call detected_var,PARSER_DEBUG_FLEX)
224 # Try different combinations to accommodate systems that only have
225 # python[2][-config] in weird combinations but always preferring
226 # python2 and python2-config as per pep-0394. If 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% -fsanitize=address%,$(EXTRA_CFLAGS),),)
400 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
401 msg := $(error No libasan found, please install libasan);
405 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
406 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
407 msg := $(error No libubsan found, please install libubsan);
411 ifneq ($(filter s% -static%,$(LDFLAGS),),)
412 msg := $(error No static glibc found, please install glibc-static);
414 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
418 ifndef NO_LIBDW_DWARF_UNWIND
419 ifneq ($(feature-libdw-dwarf-unwind),1)
420 NO_LIBDW_DWARF_UNWIND := 1
421 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
424 ifneq ($(feature-dwarf), 1)
426 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);
430 ifneq ($(feature-dwarf_getlocations), 1)
431 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
433 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
434 endif # dwarf_getlocations
435 endif # Dwarf support
436 endif # libelf support
439 ifeq ($(feature-glibc), 1)
440 CFLAGS += -DHAVE_GLIBC_SUPPORT
443 ifeq ($(feature-libaio), 1)
445 CFLAGS += -DHAVE_AIO_SUPPORT
450 NO_LIBDW_DWARF_UNWIND := 1
453 ifeq ($(feature-sched_getcpu), 1)
454 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
457 ifeq ($(feature-setns), 1)
458 CFLAGS += -DHAVE_SETNS_SUPPORT
459 $(call detected,CONFIG_SETNS)
463 $(call feature_check,libopencsd)
464 ifeq ($(feature-libopencsd), 1)
465 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
466 ifeq ($(feature-reallocarray), 0)
467 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
469 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
470 EXTLIBS += $(OPENCSDLIBS)
471 $(call detected,CONFIG_LIBOPENCSD)
473 CFLAGS += -DCS_DEBUG_RAW
474 ifeq (${CSTRACE_RAW}, packed)
475 CFLAGS += -DCS_RAW_PACKED
482 CFLAGS += -DHAVE_LIBELF_SUPPORT
484 $(call detected,CONFIG_LIBELF)
486 ifeq ($(feature-libelf-getphdrnum), 1)
487 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
490 ifeq ($(feature-libelf-gelf_getnote), 1)
491 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
493 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
496 ifeq ($(feature-libelf-getshdrstrndx), 1)
497 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
500 ifndef NO_LIBDEBUGINFOD
501 $(call feature_check,libdebuginfod)
502 ifeq ($(feature-libdebuginfod), 1)
503 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
504 EXTLIBS += -ldebuginfod
509 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
510 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
513 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
514 LDFLAGS += $(LIBDW_LDFLAGS)
515 EXTLIBS += ${DWARFLIBS}
516 $(call detected,CONFIG_DWARF)
517 endif # PERF_HAVE_DWARF_REGS
521 ifeq ($(feature-bpf), 1)
522 CFLAGS += -DHAVE_LIBBPF_SUPPORT
523 $(call detected,CONFIG_LIBBPF)
525 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
526 $(call feature_check,libbpf)
528 ifeq ($(feature-libbpf), 1)
531 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
537 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
538 CFLAGS += -DHAVE_BPF_PROLOGUE
539 $(call detected,CONFIG_BPF_PROLOGUE)
541 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
544 msg := $(warning DWARF support is off, BPF prologue is disabled);
551 ifneq ($(feature-sdt), 1)
552 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
555 CFLAGS += -DHAVE_SDT_EVENT
556 $(call detected,CONFIG_SDT_EVENT)
560 ifdef PERF_HAVE_JITDUMP
562 $(call detected,CONFIG_JITDUMP)
563 CFLAGS += -DHAVE_JITDUMP
567 ifeq ($(SRCARCH),powerpc)
569 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
576 $(call feature_check,libunwind-x86)
577 ifeq ($(feature-libunwind-x86), 1)
578 $(call detected,CONFIG_LIBUNWIND_X86)
579 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
580 LDFLAGS += -lunwind-x86
581 EXTLIBS_LIBUNWIND += -lunwind-x86
585 $(call feature_check,libunwind-aarch64)
586 ifeq ($(feature-libunwind-aarch64), 1)
587 $(call detected,CONFIG_LIBUNWIND_AARCH64)
588 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
589 LDFLAGS += -lunwind-aarch64
590 EXTLIBS_LIBUNWIND += -lunwind-aarch64
592 $(call feature_check,libunwind-debug-frame-aarch64)
593 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
594 msg := $(warning No debug_frame support found in libunwind-aarch64);
595 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
599 ifneq ($(feature-libunwind), 1)
600 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
601 NO_LOCAL_LIBUNWIND := 1
604 $(call detected,CONFIG_LOCAL_LIBUNWIND)
607 ifneq ($(have_libunwind), 1)
611 NO_LOCAL_LIBUNWIND := 1
615 ifneq ($(feature-bpf), 1)
616 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
621 dwarf-post-unwind := 1
622 dwarf-post-unwind-text := BUG
624 # setup DWARF post unwinder
626 ifdef NO_LIBDW_DWARF_UNWIND
627 msg := $(warning Disabling post unwind, no support found.);
628 dwarf-post-unwind := 0
630 dwarf-post-unwind-text := libdw
631 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
634 dwarf-post-unwind-text := libunwind
635 $(call detected,CONFIG_LIBUNWIND)
636 # Enable libunwind support by default.
637 ifndef NO_LIBDW_DWARF_UNWIND
638 NO_LIBDW_DWARF_UNWIND := 1
642 ifeq ($(dwarf-post-unwind),1)
643 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
644 $(call detected,CONFIG_DWARF_UNWIND)
649 ifndef NO_LOCAL_LIBUNWIND
650 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
651 $(call feature_check,libunwind-debug-frame)
652 ifneq ($(feature-libunwind-debug-frame), 1)
653 msg := $(warning No debug_frame support found in libunwind);
654 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
657 # non-ARM has no dwarf_find_debug_frame() function:
658 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
660 EXTLIBS += $(LIBUNWIND_LIBS)
661 LDFLAGS += $(LIBUNWIND_LIBS)
663 ifeq ($(findstring -static,${LDFLAGS}),-static)
664 # gcc -static links libgcc_eh which contans piece of libunwind
665 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
669 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
670 CFLAGS += $(LIBUNWIND_CFLAGS)
671 LDFLAGS += $(LIBUNWIND_LDFLAGS)
672 EXTLIBS += $(EXTLIBS_LIBUNWIND)
675 ifeq ($(NO_SYSCALL_TABLE),0)
676 $(call detected,CONFIG_TRACE)
679 $(call feature_check,libaudit)
680 ifneq ($(feature-libaudit), 1)
681 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
684 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
686 $(call detected,CONFIG_TRACE)
692 ifneq ($(feature-libcrypto), 1)
693 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
696 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
698 $(call detected,CONFIG_CRYPTO)
707 ifneq ($(feature-libslang), 1)
708 ifneq ($(feature-libslang-include-subdir), 1)
709 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
712 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
716 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
717 CFLAGS += -DHAVE_SLANG_SUPPORT
719 $(call detected,CONFIG_SLANG)
724 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
725 ifneq ($(feature-gtk2), 1)
726 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
729 ifeq ($(feature-gtk2-infobar), 1)
730 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
732 CFLAGS += -DHAVE_GTK2_SUPPORT
733 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
734 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
740 CFLAGS += -DNO_LIBPERL
742 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
743 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
744 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
745 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
746 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
747 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
748 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
750 ifneq ($(feature-libperl), 1)
751 CFLAGS += -DNO_LIBPERL
753 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
755 LDFLAGS += $(PERL_EMBED_LDFLAGS)
756 EXTLIBS += $(PERL_EMBED_LIBADD)
757 CFLAGS += -DHAVE_LIBPERL_SUPPORT
758 $(call detected,CONFIG_LIBPERL)
762 ifeq ($(feature-timerfd), 1)
763 CFLAGS += -DHAVE_TIMERFD_SUPPORT
765 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
768 disable-python = $(eval $(disable-python_code))
769 define disable-python_code
770 CFLAGS += -DNO_LIBPYTHON
776 $(call disable-python,Python support disabled by user)
780 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
782 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
785 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
788 ifneq ($(feature-libpython), 1)
789 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
791 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
792 EXTLIBS += $(PYTHON_EMBED_LIBADD)
793 LANG_BINDINGS += $(obj-perf)python/perf.so
794 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
795 $(call detected,CONFIG_LIBPYTHON)
801 ifeq ($(feature-libbfd), 1)
802 EXTLIBS += -lbfd -lopcodes
804 # we are on a system that requires -liberty and (maybe) -lz
805 # to link against -lbfd; test each case individually here
807 # call all detections now so we get correct
808 # status in VF output
809 $(call feature_check,libbfd-liberty)
810 $(call feature_check,libbfd-liberty-z)
812 ifeq ($(feature-libbfd-liberty), 1)
813 EXTLIBS += -lbfd -lopcodes -liberty
814 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
816 ifeq ($(feature-libbfd-liberty-z), 1)
817 EXTLIBS += -lbfd -lopcodes -liberty -lz
818 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
821 $(call feature_check,disassembler-four-args)
825 CFLAGS += -DNO_DEMANGLE
827 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
830 ifeq ($(filter -liberty,$(EXTLIBS)),)
831 $(call feature_check,cplus-demangle)
833 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
834 # or any of 'bfd iberty z' trinity
835 ifeq ($(feature-cplus-demangle), 1)
838 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
839 CFLAGS += -DNO_DEMANGLE
844 ifneq ($(filter -liberty,$(EXTLIBS)),)
845 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
849 ifneq ($(filter -lbfd,$(EXTLIBS)),)
850 CFLAGS += -DHAVE_LIBBFD_SUPPORT
854 ifeq ($(feature-zlib), 1)
855 CFLAGS += -DHAVE_ZLIB_SUPPORT
857 $(call detected,CONFIG_ZLIB)
864 ifeq ($(feature-lzma), 1)
865 CFLAGS += -DHAVE_LZMA_SUPPORT
867 $(call detected,CONFIG_LZMA)
869 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
875 ifeq ($(feature-libzstd), 1)
876 CFLAGS += -DHAVE_ZSTD_SUPPORT
877 CFLAGS += $(LIBZSTD_CFLAGS)
878 LDFLAGS += $(LIBZSTD_LDFLAGS)
880 $(call detected,CONFIG_ZSTD)
882 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
888 ifeq ($(feature-libcap), 1)
889 CFLAGS += -DHAVE_LIBCAP_SUPPORT
891 $(call detected,CONFIG_LIBCAP)
893 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
899 ifeq ($(feature-backtrace), 1)
900 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
905 ifeq ($(feature-libnuma), 0)
906 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
909 ifeq ($(feature-numa_num_possible_cpus), 0)
910 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
913 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
915 $(call detected,CONFIG_NUMA)
920 ifdef HAVE_KVM_STAT_SUPPORT
921 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
924 ifeq ($(feature-disassembler-four-args), 1)
925 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
928 ifeq (${IS_64_BIT}, 1)
929 ifndef NO_PERF_READ_VDSO32
930 $(call feature_check,compile-32)
931 ifeq ($(feature-compile-32), 1)
932 CFLAGS += -DHAVE_PERF_READ_VDSO32
934 NO_PERF_READ_VDSO32 := 1
937 ifneq ($(SRCARCH), x86)
938 NO_PERF_READ_VDSOX32 := 1
940 ifndef NO_PERF_READ_VDSOX32
941 $(call feature_check,compile-x32)
942 ifeq ($(feature-compile-x32), 1)
943 CFLAGS += -DHAVE_PERF_READ_VDSOX32
945 NO_PERF_READ_VDSOX32 := 1
949 NO_PERF_READ_VDSO32 := 1
950 NO_PERF_READ_VDSOX32 := 1
953 ifndef NO_LIBBABELTRACE
954 $(call feature_check,libbabeltrace)
955 ifeq ($(feature-libbabeltrace), 1)
956 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
957 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
958 EXTLIBS += -lbabeltrace-ctf
959 $(call detected,CONFIG_LIBBABELTRACE)
961 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
966 ifeq ($(SRCARCH),x86)
967 ifeq ($(feature-get_cpuid), 0)
968 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
973 $(call detected,CONFIG_AUXTRACE)
974 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
979 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
980 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
982 ifneq (,$(wildcard /usr/sbin/alternatives))
983 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
987 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
993 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
994 $(call feature_check,jvmti)
995 ifeq ($(feature-jvmti), 1)
996 $(call detected_var,JDIR)
998 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
999 $(call feature_check,jvmti-cmlr)
1000 ifeq ($(feature-jvmti-cmlr), 1)
1001 CFLAGS += -DHAVE_JVMTI_CMLR
1003 endif # NO_JVMTI_CMLR
1005 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1013 $(call feature_check,cxx)
1014 ifneq ($(feature-cxx), 1)
1015 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1017 $(call feature_check,llvm)
1018 $(call feature_check,llvm-version)
1019 ifneq ($(feature-llvm), 1)
1020 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1022 $(call feature_check,clang)
1023 ifneq ($(feature-clang), 1)
1024 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1026 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1027 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1028 $(call detected,CONFIG_CXX)
1029 $(call detected,CONFIG_CLANGLLVM)
1033 ifneq ($(feature-llvm-version),1)
1034 msg := $(warning This version of LLVM is not tested. May cause build errors)
1042 $(call feature_check,libpfm4)
1043 ifeq ($(feature-libpfm4), 1)
1044 CFLAGS += -DHAVE_LIBPFM
1046 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1047 $(call detected,CONFIG_LIBPFM4)
1049 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1054 # Among the variables below, these:
1062 # ETC_PERFCONFIG (but not sysconfdir)
1063 # can be specified as a relative path some/where/else;
1064 # this is interpreted as relative to $(prefix) and "perf" at
1065 # runtime figures out where they are based on the path to the executable.
1066 # This can help installing the suite in a relocatable way.
1068 # Make the path relative to DESTDIR, not to prefix
1072 bindir_relative = bin
1073 bindir = $(abspath $(prefix)/$(bindir_relative))
1075 infodir = share/info
1076 perfexecdir = libexec/perf-core
1077 perf_include_dir = lib/perf/include
1078 perf_examples_dir = lib/perf/examples
1079 sharedir = $(prefix)/share
1080 template_dir = share/perf-core/templates
1081 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1082 htmldir = share/doc/perf-doc
1083 tipdir = share/doc/perf-tip
1084 srcdir = $(srctree)/tools/perf
1085 ifeq ($(prefix),/usr)
1087 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1089 sysconfdir = $(prefix)/etc
1090 ETC_PERFCONFIG = etc/perfconfig
1093 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1099 libdir = $(prefix)/$(lib)
1101 # Shell quote (do not use $(call) to accommodate ancient setups);
1102 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1103 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1104 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1105 bindir_SQ = $(subst ','\'',$(bindir))
1106 mandir_SQ = $(subst ','\'',$(mandir))
1107 infodir_SQ = $(subst ','\'',$(infodir))
1108 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1109 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1110 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1111 template_dir_SQ = $(subst ','\'',$(template_dir))
1112 htmldir_SQ = $(subst ','\'',$(htmldir))
1113 tipdir_SQ = $(subst ','\'',$(tipdir))
1114 prefix_SQ = $(subst ','\'',$(prefix))
1115 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1116 libdir_SQ = $(subst ','\'',$(libdir))
1117 srcdir_SQ = $(subst ','\'',$(srcdir))
1119 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1120 perfexec_instdir = $(perfexecdir)
1121 perf_include_instdir = $(perf_include_dir)
1122 perf_examples_instdir = $(perf_examples_dir)
1123 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1124 tip_instdir = $(tipdir)
1126 perfexec_instdir = $(prefix)/$(perfexecdir)
1127 perf_include_instdir = $(prefix)/$(perf_include_dir)
1128 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1129 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1130 tip_instdir = $(prefix)/$(tipdir)
1132 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1133 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1134 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1135 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1136 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1138 # If we install to $(HOME) we keep the traceevent default:
1139 # $(HOME)/.traceevent/plugins
1140 # Otherwise we install plugins into the global $(libdir).
1142 plugindir=$(libdir)/traceevent/plugins
1143 plugindir_SQ= $(subst ','\'',$(plugindir))
1146 print_var = $(eval $(print_var_code)) $(info $(MSG))
1147 define print_var_code
1148 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1152 # Display EXTRA features which are detected manualy
1153 # from here with feature_check call and thus cannot
1154 # be partof global state output.
1155 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1156 $(call print_var,prefix)
1157 $(call print_var,bindir)
1158 $(call print_var,libdir)
1159 $(call print_var,sysconfdir)
1160 $(call print_var,LIBUNWIND_DIR)
1161 $(call print_var,LIBDW_DIR)
1162 $(call print_var,JDIR)
1164 ifeq ($(dwarf-post-unwind),1)
1165 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1170 $(call detected_var,bindir_SQ)
1171 $(call detected_var,PYTHON_WORD)
1173 $(call detected_var,OUTPUT)
1175 $(call detected_var,htmldir_SQ)
1176 $(call detected_var,infodir_SQ)
1177 $(call detected_var,mandir_SQ)
1178 $(call detected_var,ETC_PERFCONFIG_SQ)
1179 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1180 $(call detected_var,prefix_SQ)
1181 $(call detected_var,perfexecdir_SQ)
1182 $(call detected_var,perf_include_dir_SQ)
1183 $(call detected_var,perf_examples_dir_SQ)
1184 $(call detected_var,tipdir_SQ)
1185 $(call detected_var,srcdir_SQ)
1186 $(call detected_var,LIBDIR)
1187 $(call detected_var,GTK_CFLAGS)
1188 $(call detected_var,PERL_EMBED_CCOPTS)
1189 $(call detected_var,PYTHON_EMBED_CCOPTS)