3 src-perf := $(srctree)/tools/perf
11 obj-perf := $(abspath $(obj-perf))/
14 $(shell printf "" > $(OUTPUT).config-detected)
15 detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
16 detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
18 CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
20 include $(srctree)/tools/scripts/Makefile.arch
22 $(call detected_var,SRCARCH)
27 # Additional ARCH settings for ppc
28 ifeq ($(SRCARCH),powerpc)
31 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
32 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
35 # Additional ARCH settings for x86
37 $(call detected,CONFIG_X86)
38 ifeq (${IS_64_BIT}, 1)
40 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
41 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
42 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
43 $(call detected,CONFIG_X86_64)
45 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
52 LIBUNWIND_LIBS = -lunwind -lunwind-arm
55 ifeq ($(SRCARCH),arm64)
58 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
59 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
65 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
68 ifeq ($(NO_PERF_REGS),0)
69 $(call detected,CONFIG_PERF_REGS)
72 ifneq ($(NO_SYSCALL_TABLE),1)
73 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
76 # So far there's only x86 and arm libdw unwind support merged in perf.
77 # Disable it on all other architectures in case libdw unwind
78 # support is detected in system. Add supported architectures
80 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390))
81 NO_LIBDW_DWARF_UNWIND := 1
84 ifeq ($(LIBUNWIND_LIBS),)
88 # For linking with debug library, run like:
90 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
93 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
94 define libunwind_arch_set_flags_code
95 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
96 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
100 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
101 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
102 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
103 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
106 # Set per-feature check compilation flags
107 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
108 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
109 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
110 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
113 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
115 OPENCSDLIBS := -lopencsd_c_api -lopencsd
117 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
119 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
120 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
122 ifeq ($(NO_PERF_REGS),0)
123 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
126 # for linking with debug library, run like:
127 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
129 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
130 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
133 ifeq ($(findstring -static,${LDFLAGS}),-static)
134 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
136 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
137 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
139 # for linking with debug library, run like:
140 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
141 ifdef LIBBABELTRACE_DIR
142 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
143 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
145 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
146 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
148 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
149 # include ARCH specific config
150 -include $(src-perf)/arch/$(SRCARCH)/Makefile
152 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
153 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
156 include $(srctree)/tools/scripts/utilities.mak
158 ifeq ($(call get-executable,$(FLEX)),)
159 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
162 ifeq ($(call get-executable,$(BISON)),)
163 dummy := $(error Error: $(BISON) is missing on this system, please install it)
166 # Treat warnings as errors unless directed not to
177 ifeq ($(CC_NO_CLANG), 0)
185 PARSER_DEBUG_BISON := -t
186 PARSER_DEBUG_FLEX := -d
187 CFLAGS += -DPARSER_DEBUG
188 $(call detected_var,PARSER_DEBUG_BISON)
189 $(call detected_var,PARSER_DEBUG_FLEX)
192 # Try different combinations to accommodate systems that only have
193 # python[2][-config] in weird combinations but always preferring
194 # python2 and python2-config as per pep-0394. If we catch a
195 # python[-config] in version 3, the version check will kill it.
196 PYTHON2 := $(if $(call get-executable,python2),python2,python)
197 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
199 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
200 override PYTHON_CONFIG := \
201 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
203 grep-libs = $(filter -l%,$(1))
204 strip-libs = $(filter-out -l%,$(1))
206 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
209 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
210 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
211 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
212 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
213 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
216 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
217 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
218 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
219 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
221 CFLAGS += -fno-omit-frame-pointer
223 CFLAGS += -funwind-tables
228 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
230 CXXFLAGS += -fno-omit-frame-pointer
232 CXXFLAGS += -funwind-tables
233 CXXFLAGS += -Wno-strict-aliasing
235 # Enforce a non-executable stack, as we may regress (again) in the future by
236 # adding assembler files missing the .GNU-stack linker note.
237 LDFLAGS += -Wl,-z,noexecstack
239 EXTLIBS = -lpthread -lrt -lm -ldl
241 ifeq ($(FEATURES_DUMP),)
242 include $(srctree)/tools/build/Makefile.feature
244 include $(FEATURES_DUMP)
247 ifeq ($(feature-stackprotector-all), 1)
248 CFLAGS += -fstack-protector-all
252 ifeq ($(feature-fortify-source), 1)
253 CFLAGS += -D_FORTIFY_SOURCE=2
257 INC_FLAGS += -I$(src-perf)/util/include
258 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
259 INC_FLAGS += -I$(srctree)/tools/include/uapi
260 INC_FLAGS += -I$(srctree)/tools/include/
261 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
262 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
263 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
265 # $(obj-perf) for generated common-cmds.h
266 # $(obj-perf)/util for generated bison/flex headers
268 INC_FLAGS += -I$(obj-perf)/util
269 INC_FLAGS += -I$(obj-perf)
272 INC_FLAGS += -I$(src-perf)/util
273 INC_FLAGS += -I$(src-perf)
274 INC_FLAGS += -I$(srctree)/tools/lib/
276 CFLAGS += $(INC_FLAGS)
277 CXXFLAGS += $(INC_FLAGS)
279 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
281 ifeq ($(feature-sync-compare-and-swap), 1)
282 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
285 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
286 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
289 ifeq ($(feature-pthread-barrier), 1)
290 CFLAGS += -DHAVE_PTHREAD_BARRIER
294 $(call feature_check,bionic)
295 ifeq ($(feature-bionic), 1)
297 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
298 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
302 ifeq ($(feature-eventfd), 1)
303 CFLAGS += -DHAVE_EVENTFD
306 ifeq ($(feature-get_current_dir_name), 1)
307 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
314 NO_LIBDW_DWARF_UNWIND := 1
318 ifeq ($(feature-libelf), 0)
319 ifeq ($(feature-glibc), 1)
325 ifeq ($(LIBC_SUPPORT),1)
326 msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
332 NO_LIBDW_DWARF_UNWIND := 1
336 ifneq ($(filter s% -static%,$(LDFLAGS),),)
337 msg := $(error No static glibc found, please install glibc-static);
339 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
343 ifndef NO_LIBDW_DWARF_UNWIND
344 ifneq ($(feature-libdw-dwarf-unwind),1)
345 NO_LIBDW_DWARF_UNWIND := 1
346 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
349 ifneq ($(feature-dwarf), 1)
351 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
355 ifneq ($(feature-dwarf_getlocations), 1)
356 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
358 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
359 endif # dwarf_getlocations
360 endif # Dwarf support
361 endif # libelf support
364 ifeq ($(feature-glibc), 1)
365 CFLAGS += -DHAVE_GLIBC_SUPPORT
369 NO_LIBDW_DWARF_UNWIND := 1
372 ifeq ($(feature-sched_getcpu), 1)
373 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
376 ifeq ($(feature-setns), 1)
377 CFLAGS += -DHAVE_SETNS_SUPPORT
378 $(call detected,CONFIG_SETNS)
382 ifeq ($(feature-libopencsd), 1)
383 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
384 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
385 EXTLIBS += $(OPENCSDLIBS)
386 $(call detected,CONFIG_LIBOPENCSD)
388 CFLAGS += -DCS_DEBUG_RAW
389 ifeq (${CSTRACE_RAW}, packed)
390 CFLAGS += -DCS_RAW_PACKED
397 CFLAGS += -DHAVE_LIBELF_SUPPORT
399 $(call detected,CONFIG_LIBELF)
401 ifeq ($(feature-libelf-mmap), 1)
402 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
405 ifeq ($(feature-libelf-getphdrnum), 1)
406 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
409 ifeq ($(feature-libelf-gelf_getnote), 1)
410 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
412 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
415 ifeq ($(feature-libelf-getshdrstrndx), 1)
416 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
420 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
421 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
424 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
425 LDFLAGS += $(LIBDW_LDFLAGS)
426 EXTLIBS += ${DWARFLIBS}
427 $(call detected,CONFIG_DWARF)
428 endif # PERF_HAVE_DWARF_REGS
432 ifeq ($(feature-bpf), 1)
433 CFLAGS += -DHAVE_LIBBPF_SUPPORT
434 $(call detected,CONFIG_LIBBPF)
438 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
439 CFLAGS += -DHAVE_BPF_PROLOGUE
440 $(call detected,CONFIG_BPF_PROLOGUE)
442 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
445 msg := $(warning DWARF support is off, BPF prologue is disabled);
452 ifneq ($(feature-sdt), 1)
453 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
456 CFLAGS += -DHAVE_SDT_EVENT
457 $(call detected,CONFIG_SDT_EVENT)
461 ifdef PERF_HAVE_JITDUMP
463 $(call detected,CONFIG_JITDUMP)
464 CFLAGS += -DHAVE_JITDUMP
468 ifeq ($(SRCARCH),powerpc)
470 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
477 ifeq ($(feature-libunwind-x86), 1)
478 $(call detected,CONFIG_LIBUNWIND_X86)
479 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
480 LDFLAGS += -lunwind-x86
481 EXTLIBS_LIBUNWIND += -lunwind-x86
485 ifeq ($(feature-libunwind-aarch64), 1)
486 $(call detected,CONFIG_LIBUNWIND_AARCH64)
487 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
488 LDFLAGS += -lunwind-aarch64
489 EXTLIBS_LIBUNWIND += -lunwind-aarch64
491 $(call feature_check,libunwind-debug-frame-aarch64)
492 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
493 msg := $(warning No debug_frame support found in libunwind-aarch64);
494 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
498 ifneq ($(feature-libunwind), 1)
499 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
500 NO_LOCAL_LIBUNWIND := 1
503 $(call detected,CONFIG_LOCAL_LIBUNWIND)
506 ifneq ($(have_libunwind), 1)
510 NO_LOCAL_LIBUNWIND := 1
514 ifneq ($(feature-bpf), 1)
515 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
520 dwarf-post-unwind := 1
521 dwarf-post-unwind-text := BUG
523 # setup DWARF post unwinder
525 ifdef NO_LIBDW_DWARF_UNWIND
526 msg := $(warning Disabling post unwind, no support found.);
527 dwarf-post-unwind := 0
529 dwarf-post-unwind-text := libdw
530 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
533 dwarf-post-unwind-text := libunwind
534 $(call detected,CONFIG_LIBUNWIND)
535 # Enable libunwind support by default.
536 ifndef NO_LIBDW_DWARF_UNWIND
537 NO_LIBDW_DWARF_UNWIND := 1
541 ifeq ($(dwarf-post-unwind),1)
542 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
543 $(call detected,CONFIG_DWARF_UNWIND)
548 ifndef NO_LOCAL_LIBUNWIND
549 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
550 $(call feature_check,libunwind-debug-frame)
551 ifneq ($(feature-libunwind-debug-frame), 1)
552 msg := $(warning No debug_frame support found in libunwind);
553 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
556 # non-ARM has no dwarf_find_debug_frame() function:
557 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
559 EXTLIBS += $(LIBUNWIND_LIBS)
560 LDFLAGS += $(LIBUNWIND_LIBS)
562 ifeq ($(findstring -static,${LDFLAGS}),-static)
563 # gcc -static links libgcc_eh which contans piece of libunwind
564 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
568 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
569 CFLAGS += $(LIBUNWIND_CFLAGS)
570 LDFLAGS += $(LIBUNWIND_LDFLAGS)
571 EXTLIBS += $(EXTLIBS_LIBUNWIND)
574 ifeq ($(NO_SYSCALL_TABLE),0)
575 $(call detected,CONFIG_TRACE)
578 ifneq ($(feature-libaudit), 1)
579 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
582 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
584 $(call detected,CONFIG_TRACE)
590 ifneq ($(feature-libcrypto), 1)
591 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
594 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
596 $(call detected,CONFIG_CRYPTO)
605 ifneq ($(feature-libslang), 1)
606 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
609 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
610 CFLAGS += -I/usr/include/slang
611 CFLAGS += -DHAVE_SLANG_SUPPORT
613 $(call detected,CONFIG_SLANG)
618 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
619 ifneq ($(feature-gtk2), 1)
620 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
623 ifeq ($(feature-gtk2-infobar), 1)
624 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
626 CFLAGS += -DHAVE_GTK2_SUPPORT
627 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
628 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
634 CFLAGS += -DNO_LIBPERL
636 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
637 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
638 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
639 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
640 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
641 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
642 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
644 ifneq ($(feature-libperl), 1)
645 CFLAGS += -DNO_LIBPERL
647 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
649 LDFLAGS += $(PERL_EMBED_LDFLAGS)
650 EXTLIBS += $(PERL_EMBED_LIBADD)
651 CFLAGS += -DHAVE_LIBPERL_SUPPORT
652 $(call detected,CONFIG_LIBPERL)
656 ifeq ($(feature-timerfd), 1)
657 CFLAGS += -DHAVE_TIMERFD_SUPPORT
659 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
662 disable-python = $(eval $(disable-python_code))
663 define disable-python_code
664 CFLAGS += -DNO_LIBPYTHON
670 $(call disable-python,Python support disabled by user)
674 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
676 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
679 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
682 ifneq ($(feature-libpython), 1)
683 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
685 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
686 EXTLIBS += $(PYTHON_EMBED_LIBADD)
687 LANG_BINDINGS += $(obj-perf)python/perf.so
688 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
689 $(call detected,CONFIG_LIBPYTHON)
695 ifeq ($(feature-libbfd), 1)
698 # call all detections now so we get correct
699 # status in VF output
700 $(call feature_check,liberty)
701 $(call feature_check,liberty-z)
702 $(call feature_check,cplus-demangle)
704 ifeq ($(feature-liberty), 1)
707 ifeq ($(feature-liberty-z), 1)
708 EXTLIBS += -liberty -lz
714 CFLAGS += -DNO_DEMANGLE
716 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
718 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
720 ifneq ($(feature-libbfd), 1)
721 ifneq ($(feature-liberty), 1)
722 ifneq ($(feature-liberty-z), 1)
723 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
724 # or any of 'bfd iberty z' trinity
725 ifeq ($(feature-cplus-demangle), 1)
727 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
729 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
730 CFLAGS += -DNO_DEMANGLE
738 ifneq ($(filter -lbfd,$(EXTLIBS)),)
739 CFLAGS += -DHAVE_LIBBFD_SUPPORT
743 ifeq ($(feature-zlib), 1)
744 CFLAGS += -DHAVE_ZLIB_SUPPORT
746 $(call detected,CONFIG_ZLIB)
753 ifeq ($(feature-lzma), 1)
754 CFLAGS += -DHAVE_LZMA_SUPPORT
756 $(call detected,CONFIG_LZMA)
758 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
764 ifeq ($(feature-backtrace), 1)
765 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
770 ifeq ($(feature-libnuma), 0)
771 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
774 ifeq ($(feature-numa_num_possible_cpus), 0)
775 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
778 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
780 $(call detected,CONFIG_NUMA)
785 ifdef HAVE_KVM_STAT_SUPPORT
786 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
789 ifeq (${IS_64_BIT}, 1)
790 ifndef NO_PERF_READ_VDSO32
791 $(call feature_check,compile-32)
792 ifeq ($(feature-compile-32), 1)
793 CFLAGS += -DHAVE_PERF_READ_VDSO32
795 NO_PERF_READ_VDSO32 := 1
798 ifneq ($(SRCARCH), x86)
799 NO_PERF_READ_VDSOX32 := 1
801 ifndef NO_PERF_READ_VDSOX32
802 $(call feature_check,compile-x32)
803 ifeq ($(feature-compile-x32), 1)
804 CFLAGS += -DHAVE_PERF_READ_VDSOX32
806 NO_PERF_READ_VDSOX32 := 1
810 NO_PERF_READ_VDSO32 := 1
811 NO_PERF_READ_VDSOX32 := 1
814 ifndef NO_LIBBABELTRACE
815 $(call feature_check,libbabeltrace)
816 ifeq ($(feature-libbabeltrace), 1)
817 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
818 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
819 EXTLIBS += -lbabeltrace-ctf
820 $(call detected,CONFIG_LIBBABELTRACE)
822 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
827 ifeq ($(SRCARCH),x86)
828 ifeq ($(feature-get_cpuid), 0)
829 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
834 $(call detected,CONFIG_AUXTRACE)
835 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
840 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
841 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
843 ifneq (,$(wildcard /usr/sbin/alternatives))
844 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
848 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
854 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
855 $(call feature_check,jvmti)
856 ifeq ($(feature-jvmti), 1)
857 $(call detected_var,JDIR)
859 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
860 $(call feature_check,jvmti-cmlr)
861 ifeq ($(feature-jvmti-cmlr), 1)
862 CFLAGS += -DHAVE_JVMTI_CMLR
864 endif # NO_JVMTI_CMLR
866 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
874 $(call feature_check,cxx)
875 ifneq ($(feature-cxx), 1)
876 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
878 $(call feature_check,llvm)
879 $(call feature_check,llvm-version)
880 ifneq ($(feature-llvm), 1)
881 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
883 $(call feature_check,clang)
884 ifneq ($(feature-clang), 1)
885 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
887 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
888 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
889 $(call detected,CONFIG_CXX)
890 $(call detected,CONFIG_CLANGLLVM)
894 ifneq ($(feature-llvm-version),1)
895 msg := $(warning This version of LLVM is not tested. May cause build errors)
902 # Among the variables below, these:
910 # ETC_PERFCONFIG (but not sysconfdir)
911 # can be specified as a relative path some/where/else;
912 # this is interpreted as relative to $(prefix) and "perf" at
913 # runtime figures out where they are based on the path to the executable.
914 # This can help installing the suite in a relocatable way.
916 # Make the path relative to DESTDIR, not to prefix
920 bindir_relative = bin
921 bindir = $(abspath $(prefix)/$(bindir_relative))
924 perfexecdir = libexec/perf-core
925 perf_include_dir = lib/perf/include
926 perf_examples_dir = lib/perf/examples
927 sharedir = $(prefix)/share
928 template_dir = share/perf-core/templates
929 STRACE_GROUPS_DIR = share/perf-core/strace/groups
930 htmldir = share/doc/perf-doc
931 tipdir = share/doc/perf-tip
932 srcdir = $(srctree)/tools/perf
933 ifeq ($(prefix),/usr)
935 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
937 sysconfdir = $(prefix)/etc
938 ETC_PERFCONFIG = etc/perfconfig
941 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
947 libdir = $(prefix)/$(lib)
949 # Shell quote (do not use $(call) to accommodate ancient setups);
950 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
951 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
952 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
953 bindir_SQ = $(subst ','\'',$(bindir))
954 mandir_SQ = $(subst ','\'',$(mandir))
955 infodir_SQ = $(subst ','\'',$(infodir))
956 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
957 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
958 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
959 template_dir_SQ = $(subst ','\'',$(template_dir))
960 htmldir_SQ = $(subst ','\'',$(htmldir))
961 tipdir_SQ = $(subst ','\'',$(tipdir))
962 prefix_SQ = $(subst ','\'',$(prefix))
963 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
964 libdir_SQ = $(subst ','\'',$(libdir))
965 srcdir_SQ = $(subst ','\'',$(srcdir))
967 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
968 perfexec_instdir = $(perfexecdir)
969 perf_include_instdir = $(perf_include_dir)
970 perf_examples_instdir = $(perf_examples_dir)
971 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
972 tip_instdir = $(tipdir)
974 perfexec_instdir = $(prefix)/$(perfexecdir)
975 perf_include_instdir = $(prefix)/$(perf_include_dir)
976 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
977 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
978 tip_instdir = $(prefix)/$(tipdir)
980 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
981 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
982 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
983 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
984 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
986 # If we install to $(HOME) we keep the traceevent default:
987 # $(HOME)/.traceevent/plugins
988 # Otherwise we install plugins into the global $(libdir).
990 plugindir=$(libdir)/traceevent/plugins
991 plugindir_SQ= $(subst ','\'',$(plugindir))
994 print_var = $(eval $(print_var_code)) $(info $(MSG))
995 define print_var_code
996 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1000 # Display EXTRA features which are detected manualy
1001 # from here with feature_check call and thus cannot
1002 # be partof global state output.
1003 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1004 $(call print_var,prefix)
1005 $(call print_var,bindir)
1006 $(call print_var,libdir)
1007 $(call print_var,sysconfdir)
1008 $(call print_var,LIBUNWIND_DIR)
1009 $(call print_var,LIBDW_DIR)
1010 $(call print_var,JDIR)
1012 ifeq ($(dwarf-post-unwind),1)
1013 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1018 $(call detected_var,bindir_SQ)
1019 $(call detected_var,PYTHON_WORD)
1021 $(call detected_var,OUTPUT)
1023 $(call detected_var,htmldir_SQ)
1024 $(call detected_var,infodir_SQ)
1025 $(call detected_var,mandir_SQ)
1026 $(call detected_var,ETC_PERFCONFIG_SQ)
1027 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1028 $(call detected_var,prefix_SQ)
1029 $(call detected_var,perfexecdir_SQ)
1030 $(call detected_var,perf_include_dir_SQ)
1031 $(call detected_var,perf_examples_dir_SQ)
1032 $(call detected_var,tipdir_SQ)
1033 $(call detected_var,srcdir_SQ)
1034 $(call detected_var,LIBDIR)
1035 $(call detected_var,GTK_CFLAGS)
1036 $(call detected_var,PERL_EMBED_CCOPTS)
1037 $(call detected_var,PYTHON_EMBED_CCOPTS)