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% -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-mmap), 1)
487 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
490 ifeq ($(feature-libelf-getphdrnum), 1)
491 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
494 ifeq ($(feature-libelf-gelf_getnote), 1)
495 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
497 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
500 ifeq ($(feature-libelf-getshdrstrndx), 1)
501 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
504 ifndef NO_LIBDEBUGINFOD
505 $(call feature_check,libdebuginfod)
506 ifeq ($(feature-libdebuginfod), 1)
507 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
508 EXTLIBS += -ldebuginfod
513 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
514 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
517 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
518 LDFLAGS += $(LIBDW_LDFLAGS)
519 EXTLIBS += ${DWARFLIBS}
520 $(call detected,CONFIG_DWARF)
521 endif # PERF_HAVE_DWARF_REGS
525 ifeq ($(feature-bpf), 1)
526 CFLAGS += -DHAVE_LIBBPF_SUPPORT
527 $(call detected,CONFIG_LIBBPF)
529 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
530 $(call feature_check,libbpf)
532 ifeq ($(feature-libbpf), 1)
535 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
541 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
542 CFLAGS += -DHAVE_BPF_PROLOGUE
543 $(call detected,CONFIG_BPF_PROLOGUE)
545 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
548 msg := $(warning DWARF support is off, BPF prologue is disabled);
555 ifneq ($(feature-sdt), 1)
556 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
559 CFLAGS += -DHAVE_SDT_EVENT
560 $(call detected,CONFIG_SDT_EVENT)
564 ifdef PERF_HAVE_JITDUMP
566 $(call detected,CONFIG_JITDUMP)
567 CFLAGS += -DHAVE_JITDUMP
571 ifeq ($(SRCARCH),powerpc)
573 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
580 $(call feature_check,libunwind-x86)
581 ifeq ($(feature-libunwind-x86), 1)
582 $(call detected,CONFIG_LIBUNWIND_X86)
583 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
584 LDFLAGS += -lunwind-x86
585 EXTLIBS_LIBUNWIND += -lunwind-x86
589 $(call feature_check,libunwind-aarch64)
590 ifeq ($(feature-libunwind-aarch64), 1)
591 $(call detected,CONFIG_LIBUNWIND_AARCH64)
592 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
593 LDFLAGS += -lunwind-aarch64
594 EXTLIBS_LIBUNWIND += -lunwind-aarch64
596 $(call feature_check,libunwind-debug-frame-aarch64)
597 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
598 msg := $(warning No debug_frame support found in libunwind-aarch64);
599 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
603 ifneq ($(feature-libunwind), 1)
604 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
605 NO_LOCAL_LIBUNWIND := 1
608 $(call detected,CONFIG_LOCAL_LIBUNWIND)
611 ifneq ($(have_libunwind), 1)
615 NO_LOCAL_LIBUNWIND := 1
619 ifneq ($(feature-bpf), 1)
620 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
625 dwarf-post-unwind := 1
626 dwarf-post-unwind-text := BUG
628 # setup DWARF post unwinder
630 ifdef NO_LIBDW_DWARF_UNWIND
631 msg := $(warning Disabling post unwind, no support found.);
632 dwarf-post-unwind := 0
634 dwarf-post-unwind-text := libdw
635 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
638 dwarf-post-unwind-text := libunwind
639 $(call detected,CONFIG_LIBUNWIND)
640 # Enable libunwind support by default.
641 ifndef NO_LIBDW_DWARF_UNWIND
642 NO_LIBDW_DWARF_UNWIND := 1
646 ifeq ($(dwarf-post-unwind),1)
647 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
648 $(call detected,CONFIG_DWARF_UNWIND)
653 ifndef NO_LOCAL_LIBUNWIND
654 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
655 $(call feature_check,libunwind-debug-frame)
656 ifneq ($(feature-libunwind-debug-frame), 1)
657 msg := $(warning No debug_frame support found in libunwind);
658 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
661 # non-ARM has no dwarf_find_debug_frame() function:
662 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
664 EXTLIBS += $(LIBUNWIND_LIBS)
665 LDFLAGS += $(LIBUNWIND_LIBS)
667 ifeq ($(findstring -static,${LDFLAGS}),-static)
668 # gcc -static links libgcc_eh which contans piece of libunwind
669 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
673 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
674 CFLAGS += $(LIBUNWIND_CFLAGS)
675 LDFLAGS += $(LIBUNWIND_LDFLAGS)
676 EXTLIBS += $(EXTLIBS_LIBUNWIND)
679 ifeq ($(NO_SYSCALL_TABLE),0)
680 $(call detected,CONFIG_TRACE)
683 $(call feature_check,libaudit)
684 ifneq ($(feature-libaudit), 1)
685 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
688 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
690 $(call detected,CONFIG_TRACE)
696 ifneq ($(feature-libcrypto), 1)
697 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
700 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
702 $(call detected,CONFIG_CRYPTO)
711 ifneq ($(feature-libslang), 1)
712 ifneq ($(feature-libslang-include-subdir), 1)
713 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
716 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
720 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
721 CFLAGS += -DHAVE_SLANG_SUPPORT
723 $(call detected,CONFIG_SLANG)
728 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
729 ifneq ($(feature-gtk2), 1)
730 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
733 ifeq ($(feature-gtk2-infobar), 1)
734 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
736 CFLAGS += -DHAVE_GTK2_SUPPORT
737 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
738 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
744 CFLAGS += -DNO_LIBPERL
746 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
747 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
748 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
749 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
750 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
751 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
752 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
754 ifneq ($(feature-libperl), 1)
755 CFLAGS += -DNO_LIBPERL
757 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
759 LDFLAGS += $(PERL_EMBED_LDFLAGS)
760 EXTLIBS += $(PERL_EMBED_LIBADD)
761 CFLAGS += -DHAVE_LIBPERL_SUPPORT
762 $(call detected,CONFIG_LIBPERL)
766 ifeq ($(feature-timerfd), 1)
767 CFLAGS += -DHAVE_TIMERFD_SUPPORT
769 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
772 disable-python = $(eval $(disable-python_code))
773 define disable-python_code
774 CFLAGS += -DNO_LIBPYTHON
780 $(call disable-python,Python support disabled by user)
784 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
786 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
789 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
792 ifneq ($(feature-libpython), 1)
793 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
795 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
796 EXTLIBS += $(PYTHON_EMBED_LIBADD)
797 LANG_BINDINGS += $(obj-perf)python/perf.so
798 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
799 $(call detected,CONFIG_LIBPYTHON)
805 ifeq ($(feature-libbfd), 1)
806 EXTLIBS += -lbfd -lopcodes
808 # we are on a system that requires -liberty and (maybe) -lz
809 # to link against -lbfd; test each case individually here
811 # call all detections now so we get correct
812 # status in VF output
813 $(call feature_check,libbfd-liberty)
814 $(call feature_check,libbfd-liberty-z)
816 ifeq ($(feature-libbfd-liberty), 1)
817 EXTLIBS += -lbfd -lopcodes -liberty
818 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
820 ifeq ($(feature-libbfd-liberty-z), 1)
821 EXTLIBS += -lbfd -lopcodes -liberty -lz
822 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
825 $(call feature_check,disassembler-four-args)
829 CFLAGS += -DNO_DEMANGLE
831 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
834 ifeq ($(filter -liberty,$(EXTLIBS)),)
835 $(call feature_check,cplus-demangle)
837 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
838 # or any of 'bfd iberty z' trinity
839 ifeq ($(feature-cplus-demangle), 1)
842 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
843 CFLAGS += -DNO_DEMANGLE
848 ifneq ($(filter -liberty,$(EXTLIBS)),)
849 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
853 ifneq ($(filter -lbfd,$(EXTLIBS)),)
854 CFLAGS += -DHAVE_LIBBFD_SUPPORT
858 ifeq ($(feature-zlib), 1)
859 CFLAGS += -DHAVE_ZLIB_SUPPORT
861 $(call detected,CONFIG_ZLIB)
868 ifeq ($(feature-lzma), 1)
869 CFLAGS += -DHAVE_LZMA_SUPPORT
871 $(call detected,CONFIG_LZMA)
873 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
879 ifeq ($(feature-libzstd), 1)
880 CFLAGS += -DHAVE_ZSTD_SUPPORT
881 CFLAGS += $(LIBZSTD_CFLAGS)
882 LDFLAGS += $(LIBZSTD_LDFLAGS)
884 $(call detected,CONFIG_ZSTD)
886 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
892 ifeq ($(feature-libcap), 1)
893 CFLAGS += -DHAVE_LIBCAP_SUPPORT
895 $(call detected,CONFIG_LIBCAP)
897 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
903 ifeq ($(feature-backtrace), 1)
904 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
909 ifeq ($(feature-libnuma), 0)
910 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
913 ifeq ($(feature-numa_num_possible_cpus), 0)
914 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
917 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
919 $(call detected,CONFIG_NUMA)
924 ifdef HAVE_KVM_STAT_SUPPORT
925 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
928 ifeq ($(feature-disassembler-four-args), 1)
929 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
932 ifeq (${IS_64_BIT}, 1)
933 ifndef NO_PERF_READ_VDSO32
934 $(call feature_check,compile-32)
935 ifeq ($(feature-compile-32), 1)
936 CFLAGS += -DHAVE_PERF_READ_VDSO32
938 NO_PERF_READ_VDSO32 := 1
941 ifneq ($(SRCARCH), x86)
942 NO_PERF_READ_VDSOX32 := 1
944 ifndef NO_PERF_READ_VDSOX32
945 $(call feature_check,compile-x32)
946 ifeq ($(feature-compile-x32), 1)
947 CFLAGS += -DHAVE_PERF_READ_VDSOX32
949 NO_PERF_READ_VDSOX32 := 1
953 NO_PERF_READ_VDSO32 := 1
954 NO_PERF_READ_VDSOX32 := 1
957 ifndef NO_LIBBABELTRACE
958 $(call feature_check,libbabeltrace)
959 ifeq ($(feature-libbabeltrace), 1)
960 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
961 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
962 EXTLIBS += -lbabeltrace-ctf
963 $(call detected,CONFIG_LIBBABELTRACE)
965 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
970 ifeq ($(SRCARCH),x86)
971 ifeq ($(feature-get_cpuid), 0)
972 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
977 $(call detected,CONFIG_AUXTRACE)
978 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
983 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
984 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
986 ifneq (,$(wildcard /usr/sbin/alternatives))
987 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
991 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
997 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
998 $(call feature_check,jvmti)
999 ifeq ($(feature-jvmti), 1)
1000 $(call detected_var,JDIR)
1001 ifndef NO_JVMTI_CMLR
1002 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1003 $(call feature_check,jvmti-cmlr)
1004 ifeq ($(feature-jvmti-cmlr), 1)
1005 CFLAGS += -DHAVE_JVMTI_CMLR
1007 endif # NO_JVMTI_CMLR
1009 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1017 $(call feature_check,cxx)
1018 ifneq ($(feature-cxx), 1)
1019 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1021 $(call feature_check,llvm)
1022 $(call feature_check,llvm-version)
1023 ifneq ($(feature-llvm), 1)
1024 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1026 $(call feature_check,clang)
1027 ifneq ($(feature-clang), 1)
1028 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1030 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1031 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1032 $(call detected,CONFIG_CXX)
1033 $(call detected,CONFIG_CLANGLLVM)
1037 ifneq ($(feature-llvm-version),1)
1038 msg := $(warning This version of LLVM is not tested. May cause build errors)
1046 $(call feature_check,libpfm4)
1047 ifeq ($(feature-libpfm4), 1)
1048 CFLAGS += -DHAVE_LIBPFM
1050 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1051 $(call detected,CONFIG_LIBPFM4)
1053 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1058 # Among the variables below, these:
1066 # ETC_PERFCONFIG (but not sysconfdir)
1067 # can be specified as a relative path some/where/else;
1068 # this is interpreted as relative to $(prefix) and "perf" at
1069 # runtime figures out where they are based on the path to the executable.
1070 # This can help installing the suite in a relocatable way.
1072 # Make the path relative to DESTDIR, not to prefix
1076 bindir_relative = bin
1077 bindir = $(abspath $(prefix)/$(bindir_relative))
1079 infodir = share/info
1080 perfexecdir = libexec/perf-core
1081 perf_include_dir = lib/perf/include
1082 perf_examples_dir = lib/perf/examples
1083 sharedir = $(prefix)/share
1084 template_dir = share/perf-core/templates
1085 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1086 htmldir = share/doc/perf-doc
1087 tipdir = share/doc/perf-tip
1088 srcdir = $(srctree)/tools/perf
1089 ifeq ($(prefix),/usr)
1091 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1093 sysconfdir = $(prefix)/etc
1094 ETC_PERFCONFIG = etc/perfconfig
1097 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1103 libdir = $(prefix)/$(lib)
1105 # Shell quote (do not use $(call) to accommodate ancient setups);
1106 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1107 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1108 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1109 bindir_SQ = $(subst ','\'',$(bindir))
1110 mandir_SQ = $(subst ','\'',$(mandir))
1111 infodir_SQ = $(subst ','\'',$(infodir))
1112 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1113 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1114 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1115 template_dir_SQ = $(subst ','\'',$(template_dir))
1116 htmldir_SQ = $(subst ','\'',$(htmldir))
1117 tipdir_SQ = $(subst ','\'',$(tipdir))
1118 prefix_SQ = $(subst ','\'',$(prefix))
1119 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1120 libdir_SQ = $(subst ','\'',$(libdir))
1121 srcdir_SQ = $(subst ','\'',$(srcdir))
1123 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1124 perfexec_instdir = $(perfexecdir)
1125 perf_include_instdir = $(perf_include_dir)
1126 perf_examples_instdir = $(perf_examples_dir)
1127 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1128 tip_instdir = $(tipdir)
1130 perfexec_instdir = $(prefix)/$(perfexecdir)
1131 perf_include_instdir = $(prefix)/$(perf_include_dir)
1132 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1133 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1134 tip_instdir = $(prefix)/$(tipdir)
1136 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1137 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1138 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1139 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1140 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1142 # If we install to $(HOME) we keep the traceevent default:
1143 # $(HOME)/.traceevent/plugins
1144 # Otherwise we install plugins into the global $(libdir).
1146 plugindir=$(libdir)/traceevent/plugins
1147 plugindir_SQ= $(subst ','\'',$(plugindir))
1150 print_var = $(eval $(print_var_code)) $(info $(MSG))
1151 define print_var_code
1152 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1156 # Display EXTRA features which are detected manualy
1157 # from here with feature_check call and thus cannot
1158 # be partof global state output.
1159 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1160 $(call print_var,prefix)
1161 $(call print_var,bindir)
1162 $(call print_var,libdir)
1163 $(call print_var,sysconfdir)
1164 $(call print_var,LIBUNWIND_DIR)
1165 $(call print_var,LIBDW_DIR)
1166 $(call print_var,JDIR)
1168 ifeq ($(dwarf-post-unwind),1)
1169 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1174 $(call detected_var,bindir_SQ)
1175 $(call detected_var,PYTHON_WORD)
1177 $(call detected_var,OUTPUT)
1179 $(call detected_var,htmldir_SQ)
1180 $(call detected_var,infodir_SQ)
1181 $(call detected_var,mandir_SQ)
1182 $(call detected_var,ETC_PERFCONFIG_SQ)
1183 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1184 $(call detected_var,prefix_SQ)
1185 $(call detected_var,perfexecdir_SQ)
1186 $(call detected_var,perf_include_dir_SQ)
1187 $(call detected_var,perf_examples_dir_SQ)
1188 $(call detected_var,tipdir_SQ)
1189 $(call detected_var,srcdir_SQ)
1190 $(call detected_var,LIBDIR)
1191 $(call detected_var,GTK_CFLAGS)
1192 $(call detected_var,PERL_EMBED_CCOPTS)
1193 $(call detected_var,PYTHON_EMBED_CCOPTS)