3 src-perf := $(srctree)/tools/perf
11 obj-perf := $(abspath $(obj-perf))/
14 LIB_INCLUDE := $(srctree)/tools/lib/
15 CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
17 include $(src-perf)/config/Makefile.arch
21 # Additional ARCH settings for x86
23 ifeq (${IS_X86_64}, 1)
24 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
25 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
26 LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
28 LIBUNWIND_LIBS = -lunwind -lunwind-x86
35 LIBUNWIND_LIBS = -lunwind -lunwind-arm
40 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
43 # So far there's only x86 libdw unwind support merged in perf.
44 # Disable it on all other architectures in case libdw unwind
45 # support is detected in system. Add supported architectures
48 NO_LIBDW_DWARF_UNWIND := 1
51 ifeq ($(LIBUNWIND_LIBS),)
55 # For linking with debug library, run like:
57 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
60 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
61 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
63 LIBUNWIND_LDFLAGS += $(LIBUNWIND_LIBS)
65 # Set per-feature check compilation flags
66 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
67 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS)
68 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
69 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS)
72 ifeq ($(NO_PERF_REGS),0)
73 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
77 # for linking with debug library, run like:
78 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
80 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
81 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
83 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
84 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
87 # include ARCH specific config
88 -include $(src-perf)/arch/$(ARCH)/Makefile
90 include $(src-perf)/config/utilities.mak
92 ifeq ($(call get-executable,$(FLEX)),)
93 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
96 ifeq ($(call get-executable,$(BISON)),)
97 dummy := $(error Error: $(BISON) is missing on this system, please install it)
100 # Treat warnings as errors unless directed not to
114 PARSER_DEBUG_BISON := -t
115 PARSER_DEBUG_FLEX := -d
116 CFLAGS += -DPARSER_DEBUG
119 CFLAGS += -fno-omit-frame-pointer
121 CFLAGS += -funwind-tables
126 # Enforce a non-executable stack, as we may regress (again) in the future by
127 # adding assembler files missing the .GNU-stack linker note.
128 LDFLAGS += -Wl,-z,noexecstack
130 EXTLIBS = -lelf -lpthread -lrt -lm -ldl
133 OUTPUT_FEATURES = $(OUTPUT)config/feature-checks/
134 $(shell mkdir -p $(OUTPUT_FEATURES))
137 feature_check = $(eval $(feature_check_code))
138 define feature_check_code
139 feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C config/feature-checks test-$1.bin >/dev/null 2>/dev/null && echo 1 || echo 0)
142 feature_set = $(eval $(feature_set_code))
143 define feature_set_code
148 # Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
152 # Note that this is not a complete list of all feature tests, just
153 # those that are typically built on a fully configured system.
155 # [ Feature tests not mentioned here have to be built explicitly in
156 # the rule that uses them - an example for that is the 'bionic'
159 CORE_FEATURE_TESTS = \
181 LIB_FEATURE_TESTS = \
204 libunwind-debug-frame \
210 # Set FEATURE_CHECK_(C|LD)FLAGS-all for all CORE_FEATURE_TESTS features.
211 # If in the future we need per-feature checks/flags for features not
212 # mentioned in this list we need to refactor this ;-).
213 set_test_all_flags = $(eval $(set_test_all_flags_code))
214 define set_test_all_flags_code
215 FEATURE_CHECK_CFLAGS-all += $(FEATURE_CHECK_CFLAGS-$(1))
216 FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1))
219 $(foreach feat,$(CORE_FEATURE_TESTS),$(call set_test_all_flags,$(feat)))
222 # Special fast-path for the 'all features are available' case:
224 $(call feature_check,all,$(MSG))
227 # Just in case the build freshly failed, make sure we print the
230 ifeq ($(feature-all), 1)
232 # test-all.c passed - just set all the core feature flags to 1:
234 $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_set,$(feat)))
236 $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS=$(LDFLAGS) -i -j -C config/feature-checks $(addsuffix .bin,$(CORE_FEATURE_TESTS)) >/dev/null 2>&1)
237 $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_check,$(feat)))
240 ifeq ($(feature-stackprotector-all), 1)
241 CFLAGS += -fstack-protector-all
245 ifeq ($(feature-fortify-source), 1)
246 CFLAGS += -D_FORTIFY_SOURCE=2
250 CFLAGS += -I$(src-perf)/util/include
251 CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
252 CFLAGS += -I$(srctree)/tools/include/
253 CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
254 CFLAGS += -I$(srctree)/arch/$(ARCH)/include
255 CFLAGS += -I$(srctree)/include/uapi
256 CFLAGS += -I$(srctree)/include
258 # $(obj-perf) for generated common-cmds.h
259 # $(obj-perf)/util for generated bison/flex headers
261 CFLAGS += -I$(obj-perf)/util
262 CFLAGS += -I$(obj-perf)
265 CFLAGS += -I$(src-perf)/util
266 CFLAGS += -I$(src-perf)
267 CFLAGS += -I$(LIB_INCLUDE)
269 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
272 $(call feature_check,bionic)
273 ifeq ($(feature-bionic), 1)
275 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
276 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
284 NO_LIBDW_DWARF_UNWIND := 1
286 ifeq ($(feature-libelf), 0)
287 ifeq ($(feature-glibc), 1)
293 ifeq ($(LIBC_SUPPORT),1)
294 msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
300 NO_LIBDW_DWARF_UNWIND := 1
302 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
305 ifndef NO_LIBDW_DWARF_UNWIND
306 ifneq ($(feature-libdw-dwarf-unwind),1)
307 NO_LIBDW_DWARF_UNWIND := 1
308 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
311 ifneq ($(feature-dwarf), 1)
312 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
314 endif # Dwarf support
315 endif # libelf support
319 CFLAGS += -DHAVE_LIBELF_SUPPORT
321 ifeq ($(feature-libelf-mmap), 1)
322 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
325 ifeq ($(feature-libelf-getphdrnum), 1)
326 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
329 # include ARCH specific config
330 -include $(src-perf)/arch/$(ARCH)/Makefile
333 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
334 msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
337 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
338 LDFLAGS += $(LIBDW_LDFLAGS)
339 EXTLIBS += -lelf -ldw
340 endif # PERF_HAVE_DWARF_REGS
345 ifneq ($(feature-libunwind), 1)
346 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
351 dwarf-post-unwind := 1
352 dwarf-post-unwind-text := BUG
354 # setup DWARF post unwinder
356 ifdef NO_LIBDW_DWARF_UNWIND
357 msg := $(warning Disabling post unwind, no support found.);
358 dwarf-post-unwind := 0
360 dwarf-post-unwind-text := libdw
363 dwarf-post-unwind-text := libunwind
364 # Enable libunwind support by default.
365 ifndef NO_LIBDW_DWARF_UNWIND
366 NO_LIBDW_DWARF_UNWIND := 1
370 ifeq ($(dwarf-post-unwind),1)
371 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
377 ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
378 $(call feature_check,libunwind-debug-frame)
379 ifneq ($(feature-libunwind-debug-frame), 1)
380 msg := $(warning No debug_frame support found in libunwind);
381 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
384 # non-ARM has no dwarf_find_debug_frame() function:
385 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
387 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
388 EXTLIBS += $(LIBUNWIND_LIBS)
389 CFLAGS += $(LIBUNWIND_CFLAGS)
390 LDFLAGS += $(LIBUNWIND_LDFLAGS)
394 ifneq ($(feature-libaudit), 1)
395 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
398 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
408 ifneq ($(feature-libslang), 1)
409 msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
412 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
413 CFLAGS += -I/usr/include/slang
414 CFLAGS += -DHAVE_SLANG_SUPPORT
420 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
421 ifneq ($(feature-gtk2), 1)
422 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
425 ifeq ($(feature-gtk2-infobar), 1)
426 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
428 CFLAGS += -DHAVE_GTK2_SUPPORT
429 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
430 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
435 grep-libs = $(filter -l%,$(1))
436 strip-libs = $(filter-out -l%,$(1))
439 CFLAGS += -DNO_LIBPERL
441 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
442 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
443 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
444 PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
445 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
447 ifneq ($(feature-libperl), 1)
448 CFLAGS += -DNO_LIBPERL
451 LDFLAGS += $(PERL_EMBED_LDFLAGS)
452 EXTLIBS += $(PERL_EMBED_LIBADD)
456 ifeq ($(feature-timerfd), 1)
457 CFLAGS += -DHAVE_TIMERFD_SUPPORT
459 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
462 disable-python = $(eval $(disable-python_code))
463 define disable-python_code
464 CFLAGS += -DNO_LIBPYTHON
465 $(if $(1),$(warning No $(1) was found))
466 $(warning Python support will not be built)
471 $(call get-executable-or-default,PYTHON,python)
474 $(call disable-python,python interpreter)
477 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
480 $(call disable-python)
483 override PYTHON_CONFIG := \
484 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config)
487 $(call disable-python,python-config tool)
490 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
492 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
493 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
494 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
495 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
496 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
498 ifneq ($(feature-libpython), 1)
499 $(call disable-python,Python.h (for Python 2.x))
502 ifneq ($(feature-libpython-version), 1)
503 $(warning Python 3 is not yet supported; please set)
504 $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
505 $(warning If you also have Python 2 installed, then)
506 $(warning try something like:)
508 $(warning $(and ,) make PYTHON=python2)
510 $(warning Otherwise, disable Python support entirely:)
512 $(warning $(and ,) make NO_LIBPYTHON=1)
516 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
517 EXTLIBS += $(PYTHON_EMBED_LIBADD)
518 LANG_BINDINGS += $(obj-perf)python/perf.so
525 ifeq ($(feature-libbfd), 1)
528 # call all detections now so we get correct
529 # status in VF output
530 $(call feature_check,liberty)
531 $(call feature_check,liberty-z)
532 $(call feature_check,cplus-demangle)
534 ifeq ($(feature-liberty), 1)
537 ifeq ($(feature-liberty-z), 1)
538 EXTLIBS += -liberty -lz
544 CFLAGS += -DNO_DEMANGLE
546 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
548 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
550 ifneq ($(feature-libbfd), 1)
551 ifneq ($(feature-liberty), 1)
552 ifneq ($(feature-liberty-z), 1)
553 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
554 # or any of 'bfd iberty z' trinity
555 ifeq ($(feature-cplus-demangle), 1)
557 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
559 msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
560 CFLAGS += -DNO_DEMANGLE
568 ifneq ($(filter -lbfd,$(EXTLIBS)),)
569 CFLAGS += -DHAVE_LIBBFD_SUPPORT
573 ifeq ($(feature-backtrace), 1)
574 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
579 ifeq ($(feature-libnuma), 0)
580 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
583 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
588 # Among the variables below, these:
594 # ETC_PERFCONFIG (but not sysconfdir)
595 # can be specified as a relative path some/where/else;
596 # this is interpreted as relative to $(prefix) and "perf" at
597 # runtime figures out where they are based on the path to the executable.
598 # This can help installing the suite in a relocatable way.
600 # Make the path relative to DESTDIR, not to prefix
604 bindir_relative = bin
605 bindir = $(prefix)/$(bindir_relative)
608 perfexecdir = libexec/perf-core
609 sharedir = $(prefix)/share
610 template_dir = share/perf-core/templates
611 htmldir = share/doc/perf-doc
612 ifeq ($(prefix),/usr)
614 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
616 sysconfdir = $(prefix)/etc
617 ETC_PERFCONFIG = etc/perfconfig
619 ifeq ($(IS_X86_64),1)
624 libdir = $(prefix)/$(lib)
626 # Shell quote (do not use $(call) to accommodate ancient setups);
627 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
628 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
629 bindir_SQ = $(subst ','\'',$(bindir))
630 mandir_SQ = $(subst ','\'',$(mandir))
631 infodir_SQ = $(subst ','\'',$(infodir))
632 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
633 template_dir_SQ = $(subst ','\'',$(template_dir))
634 htmldir_SQ = $(subst ','\'',$(htmldir))
635 prefix_SQ = $(subst ','\'',$(prefix))
636 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
637 libdir_SQ = $(subst ','\'',$(libdir))
639 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
640 perfexec_instdir = $(perfexecdir)
642 perfexec_instdir = $(prefix)/$(perfexecdir)
644 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
646 # If we install to $(HOME) we keep the traceevent default:
647 # $(HOME)/.traceevent/plugins
648 # Otherwise we install plugins into the global $(libdir).
650 plugindir=$(libdir)/traceevent/plugins
651 plugindir_SQ= $(subst ','\'',$(plugindir))
655 # Print the result of the feature test:
657 feature_print_status = $(eval $(feature_print_status_code)) $(info $(MSG))
659 define feature_print_status_code
660 ifeq ($(feature-$(1)), 1)
661 MSG = $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1))
663 MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1))
667 feature_print_var = $(eval $(feature_print_var_code)) $(info $(MSG))
668 define feature_print_var_code
669 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
672 feature_print_text = $(eval $(feature_print_text_code)) $(info $(MSG))
673 define feature_print_text_code
674 MSG = $(shell printf '...%30s: %s' $(1) $(2))
677 PERF_FEATURES := $(foreach feat,$(LIB_FEATURE_TESTS),feature-$(feat)($(feature-$(feat))))
678 PERF_FEATURES_FILE := $(shell touch $(OUTPUT)PERF-FEATURES; cat $(OUTPUT)PERF-FEATURES)
680 ifeq ($(dwarf-post-unwind),1)
681 PERF_FEATURES += dwarf-post-unwind($(dwarf-post-unwind-text))
684 # The $(display_lib) controls the default detection message
685 # output. It's set if:
686 # - detected features differes from stored features from
687 # last build (in PERF-FEATURES file)
688 # - one of the $(LIB_FEATURE_TESTS) is not detected
691 ifneq ("$(PERF_FEATURES)","$(PERF_FEATURES_FILE)")
692 $(shell echo "$(PERF_FEATURES)" > $(OUTPUT)PERF-FEATURES)
696 feature_check = $(eval $(feature_check_code))
697 define feature_check_code
698 ifneq ($(feature-$(1)), 1)
703 $(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_check,$(feat)))
710 ifeq ($(display_lib),1)
712 $(info Auto-detecting system features:)
713 $(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_print_status,$(feat),))
715 ifeq ($(dwarf-post-unwind),1)
716 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
720 ifeq ($(display_vf),1)
721 $(foreach feat,$(VF_FEATURE_TESTS),$(call feature_print_status,$(feat),))
723 $(call feature_print_var,prefix)
724 $(call feature_print_var,bindir)
725 $(call feature_print_var,libdir)
726 $(call feature_print_var,sysconfdir)
727 $(call feature_print_var,LIBUNWIND_DIR)
728 $(call feature_print_var,LIBDW_DIR)
731 ifeq ($(display_lib),1)