1# SPDX-License-Identifier: GPL-2.0-only 2 3ifeq ($(src-perf),) 4src-perf := $(srctree)/tools/perf 5endif 6 7ifeq ($(obj-perf),) 8obj-perf := $(OUTPUT) 9endif 10 11ifneq ($(obj-perf),) 12obj-perf := $(abspath $(obj-perf))/ 13endif 14 15$(shell printf "" > $(OUTPUT).config-detected) 16detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected) 17detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected) 18 19CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) 20HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) 21 22# Enabled Wthread-safety analysis for clang builds. 23ifeq ($(CC_NO_CLANG), 0) 24 CFLAGS += -Wthread-safety 25endif 26 27include $(srctree)/tools/scripts/Makefile.arch 28 29$(call detected_var,SRCARCH) 30 31ifneq ($(NO_SYSCALL_TABLE),1) 32 NO_SYSCALL_TABLE := 1 33 34 ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 powerpc arm64 s390 mips loongarch)) 35 NO_SYSCALL_TABLE := 0 36 endif 37 38 ifneq ($(NO_SYSCALL_TABLE),1) 39 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT 40 endif 41endif 42 43# Additional ARCH settings for ppc 44ifeq ($(SRCARCH),powerpc) 45 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated 46 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 47endif 48 49# Additional ARCH settings for x86 50ifeq ($(SRCARCH),x86) 51 $(call detected,CONFIG_X86) 52 CFLAGS += -I$(OUTPUT)arch/x86/include/generated 53 ifeq (${IS_64_BIT}, 1) 54 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT 55 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 56 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 57 $(call detected,CONFIG_X86_64) 58 else 59 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 60 endif 61endif 62 63ifeq ($(SRCARCH),arm) 64 LIBUNWIND_LIBS = -lunwind -lunwind-arm 65endif 66 67ifeq ($(SRCARCH),arm64) 68 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated 69 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 70endif 71 72ifeq ($(SRCARCH),loongarch) 73 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated 74 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 75endif 76 77ifeq ($(ARCH),s390) 78 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated 79endif 80 81ifeq ($(ARCH),mips) 82 CFLAGS += -I$(OUTPUT)arch/mips/include/generated 83 LIBUNWIND_LIBS = -lunwind -lunwind-mips 84endif 85 86# So far there's only x86 and arm libdw unwind support merged in perf. 87# Disable it on all other architectures in case libdw unwind 88# support is detected in system. Add supported architectures 89# to the check. 90ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch)) 91 NO_LIBDW_DWARF_UNWIND := 1 92endif 93 94ifeq ($(LIBUNWIND_LIBS),) 95 NO_LIBUNWIND := 1 96endif 97# 98# For linking with debug library, run like: 99# 100# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 101# 102 103libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 104define libunwind_arch_set_flags_code 105 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 106 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 107endef 108 109ifdef LIBUNWIND_DIR 110 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 111 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 112 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 113 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 114endif 115 116# Set per-feature check compilation flags 117FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 118FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 119FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 120FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 121 122FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 123FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 124FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 125FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 126 127FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto 128 129ifdef CSINCLUDES 130 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 131endif 132OPENCSDLIBS := -lopencsd_c_api -lopencsd 133ifeq ($(findstring -static,${LDFLAGS}),-static) 134 OPENCSDLIBS += -lstdc++ 135endif 136ifdef CSLIBS 137 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 138endif 139FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 140FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 141 142# for linking with debug library, run like: 143# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 144ifdef LIBDW_DIR 145 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 146 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 147endif 148DWARFLIBS := -ldw 149ifeq ($(findstring -static,${LDFLAGS}),-static) 150 DWARFLIBS += -lelf -ldl -lz -llzma -lbz2 -lzstd 151 152 LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw) 153 LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION))) 154 LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION))) 155 156 # Elfutils merged libebl.a into libdw.a starting from version 0.177, 157 # Link libebl.a only if libdw is older than this version. 158 ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0) 159 DWARFLIBS += -lebl 160 endif 161endif 162FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS) 163FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS) 164 165# for linking with debug library, run like: 166# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 167ifdef LIBBABELTRACE_DIR 168 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 169 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 170endif 171FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 172FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 173 174# for linking with debug library, run like: 175# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 176ifdef LIBCAPSTONE_DIR 177 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 178 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 179endif 180FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 181FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 182 183ifdef LIBZSTD_DIR 184 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 185 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 186endif 187FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 188FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 189 190# for linking with debug library, run like: 191# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig 192 193ifneq ($(NO_LIBTRACEEVENT),1) 194 ifeq ($(call get-executable,$(PKG_CONFIG)),) 195 $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 196 endif 197endif 198 199FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 200# include ARCH specific config 201-include $(src-perf)/arch/$(SRCARCH)/Makefile 202 203ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 204 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 205endif 206 207include $(srctree)/tools/scripts/utilities.mak 208 209ifeq ($(call get-executable,$(FLEX)),) 210 $(error Error: $(FLEX) is missing on this system, please install it) 211endif 212 213ifeq ($(call get-executable,$(BISON)),) 214 $(error Error: $(BISON) is missing on this system, please install it) 215endif 216 217ifneq ($(OUTPUT),) 218 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 219 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 220 endif 221endif 222 223# Treat warnings as errors unless directed not to 224ifneq ($(WERROR),0) 225 CORE_CFLAGS += -Werror 226 CXXFLAGS += -Werror 227 HOSTCFLAGS += -Werror 228endif 229 230ifndef DEBUG 231 DEBUG := 0 232endif 233 234ifeq ($(DEBUG),0) 235CORE_CFLAGS += -DNDEBUG=1 236CORE_CFLAGS += -O3 237else 238 CORE_CFLAGS += -g 239 CXXFLAGS += -g 240endif 241 242ifdef PARSER_DEBUG 243 PARSER_DEBUG_BISON := -t 244 PARSER_DEBUG_FLEX := -d 245 CFLAGS += -DPARSER_DEBUG 246 $(call detected_var,PARSER_DEBUG_BISON) 247 $(call detected_var,PARSER_DEBUG_FLEX) 248endif 249 250ifdef LTO 251 CORE_CFLAGS += -flto 252 CXXFLAGS += -flto 253endif 254 255# Try different combinations to accommodate systems that only have 256# python[2][3]-config in weird combinations in the following order of 257# priority from lowest to highest: 258# * python2-config as per pep-0394. 259# * python-config 260# * python3-config 261# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 262# 263PYTHON_AUTO := python-config 264PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 265PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 266PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 267 268# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 269# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 270ifdef PYTHON 271 ifndef PYTHON_CONFIG 272 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 273 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 274 $(call $(error $(PYTHON)-config not found))) 275 endif 276endif 277 278# Select either auto detected python and python-config or use user supplied values if they are 279# defined. get-executable-or-default fails with an error if the first argument is supplied but 280# doesn't exist. 281override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 282override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 283 284grep-libs = $(filter -l%,$(1)) 285strip-libs = $(filter-out -l%,$(1)) 286 287PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 288 289# Python 3.8 changed the output of `python-config --ldflags` to not include the 290# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 291# libpython fails if that flag is not included in LDFLAGS 292ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 293 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 294else 295 PYTHON_CONFIG_LDFLAGS := --ldflags 296endif 297 298ifdef PYTHON_CONFIG 299 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 300 # Update the python flags for cross compilation 301 ifdef CROSS_COMPILE 302 PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/') 303 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS)) 304 endif 305 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 306 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 307 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 308 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 309 ifeq ($(CC_NO_CLANG), 0) 310 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 311 endif 312endif 313 314FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 315FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 316 317FEATURE_CHECK_LDFLAGS-libaio = -lrt 318 319FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl 320FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl 321 322CORE_CFLAGS += -fno-omit-frame-pointer 323CORE_CFLAGS += -Wall 324CORE_CFLAGS += -Wextra 325CORE_CFLAGS += -std=gnu11 326 327CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 328CXXFLAGS += -Wall 329CXXFLAGS += -Wextra 330CXXFLAGS += -fno-omit-frame-pointer 331 332HOSTCFLAGS += -Wall 333HOSTCFLAGS += -Wextra 334 335# Enforce a non-executable stack, as we may regress (again) in the future by 336# adding assembler files missing the .GNU-stack linker note. 337LDFLAGS += -Wl,-z,noexecstack 338 339EXTLIBS = -lpthread -lrt -lm -ldl 340 341ifneq ($(TCMALLOC),) 342 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 343 EXTLIBS += -ltcmalloc 344endif 345 346ifeq ($(FEATURES_DUMP),) 347# We will display at the end of this Makefile.config, using $(call feature_display_entries) 348# As we may retry some feature detection here, see the disassembler-four-args case, for instance 349 FEATURE_DISPLAY_DEFERRED := 1 350include $(srctree)/tools/build/Makefile.feature 351else 352include $(FEATURES_DUMP) 353endif 354 355ifeq ($(feature-stackprotector-all), 1) 356 CORE_CFLAGS += -fstack-protector-all 357endif 358 359ifeq ($(DEBUG),0) 360 ifeq ($(feature-fortify-source), 1) 361 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 362 endif 363endif 364 365INC_FLAGS += -I$(src-perf)/util/include 366INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 367INC_FLAGS += -I$(srctree)/tools/include/ 368INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 369INC_FLAGS += -I$(srctree)/tools/include/uapi 370INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 371INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 372 373# $(obj-perf) for generated common-cmds.h 374# $(obj-perf)/util for generated bison/flex headers 375ifneq ($(OUTPUT),) 376INC_FLAGS += -I$(obj-perf)/util 377INC_FLAGS += -I$(obj-perf) 378endif 379 380INC_FLAGS += -I$(src-perf)/util 381INC_FLAGS += -I$(src-perf) 382 383CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 384 385CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 386CXXFLAGS += $(INC_FLAGS) 387 388LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 389 390ifeq ($(feature-pthread-attr-setaffinity-np), 1) 391 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 392endif 393 394ifeq ($(feature-pthread-barrier), 1) 395 CFLAGS += -DHAVE_PTHREAD_BARRIER 396endif 397 398ifndef NO_BIONIC 399 $(call feature_check,bionic) 400 ifeq ($(feature-bionic), 1) 401 BIONIC := 1 402 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 403 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 404 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 405 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 406 endif 407endif 408 409ifeq ($(feature-eventfd), 1) 410 CFLAGS += -DHAVE_EVENTFD_SUPPORT 411endif 412 413ifeq ($(feature-get_current_dir_name), 1) 414 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 415endif 416 417ifeq ($(feature-gettid), 1) 418 CFLAGS += -DHAVE_GETTID 419endif 420 421ifeq ($(feature-file-handle), 1) 422 CFLAGS += -DHAVE_FILE_HANDLE 423endif 424 425ifdef NO_LIBELF 426 NO_DWARF := 1 427 NO_LIBUNWIND := 1 428 NO_LIBDW_DWARF_UNWIND := 1 429 NO_LIBBPF := 1 430 NO_JVMTI := 1 431else 432 ifeq ($(feature-libelf), 0) 433 ifeq ($(feature-glibc), 1) 434 LIBC_SUPPORT := 1 435 endif 436 ifeq ($(BIONIC),1) 437 LIBC_SUPPORT := 1 438 endif 439 ifeq ($(LIBC_SUPPORT),1) 440 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) 441 else 442 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 443 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 444 $(error No libasan found, please install libasan) 445 endif 446 endif 447 448 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 449 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 450 $(error No libubsan found, please install libubsan) 451 endif 452 endif 453 454 ifneq ($(filter s% -static%,$(LDFLAGS),),) 455 $(error No static glibc found, please install glibc-static) 456 else 457 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 458 endif 459 endif 460 else 461 ifndef NO_LIBDW_DWARF_UNWIND 462 ifneq ($(feature-libdw-dwarf-unwind),1) 463 NO_LIBDW_DWARF_UNWIND := 1 464 $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR) 465 endif 466 endif 467 ifneq ($(feature-dwarf), 1) 468 ifndef NO_DWARF 469 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev) 470 NO_DWARF := 1 471 endif 472 else 473 ifneq ($(feature-dwarf_getlocations), 1) 474 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157) 475 else 476 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT 477 endif # dwarf_getlocations 478 ifneq ($(feature-dwarf_getcfi), 1) 479 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142) 480 else 481 CFLAGS += -DHAVE_DWARF_CFI_SUPPORT 482 endif # dwarf_getcfi 483 endif # Dwarf support 484 endif # libelf support 485endif # NO_LIBELF 486 487ifeq ($(feature-libaio), 1) 488 ifndef NO_AIO 489 CFLAGS += -DHAVE_AIO_SUPPORT 490 endif 491endif 492 493ifdef NO_DWARF 494 NO_LIBDW_DWARF_UNWIND := 1 495endif 496 497ifeq ($(feature-scandirat), 1) 498 # Ignore having scandirat with memory sanitizer that lacks an interceptor. 499 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) 500 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 501 endif 502endif 503 504ifeq ($(feature-sched_getcpu), 1) 505 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 506endif 507 508ifeq ($(feature-setns), 1) 509 CFLAGS += -DHAVE_SETNS_SUPPORT 510 $(call detected,CONFIG_SETNS) 511endif 512 513ifdef CORESIGHT 514 $(call feature_check,libopencsd) 515 ifeq ($(feature-libopencsd), 1) 516 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 517 ifeq ($(feature-reallocarray), 0) 518 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 519 endif 520 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 521 EXTLIBS += $(OPENCSDLIBS) 522 $(call detected,CONFIG_LIBOPENCSD) 523 ifdef CSTRACE_RAW 524 CFLAGS += -DCS_DEBUG_RAW 525 ifeq (${CSTRACE_RAW}, packed) 526 CFLAGS += -DCS_RAW_PACKED 527 endif 528 endif 529 else 530 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 531 endif 532endif 533 534ifndef NO_ZLIB 535 ifeq ($(feature-zlib), 1) 536 CFLAGS += -DHAVE_ZLIB_SUPPORT 537 EXTLIBS += -lz 538 $(call detected,CONFIG_ZLIB) 539 else 540 NO_ZLIB := 1 541 endif 542endif 543 544ifndef NO_LIBELF 545 CFLAGS += -DHAVE_LIBELF_SUPPORT 546 EXTLIBS += -lelf 547 $(call detected,CONFIG_LIBELF) 548 549 ifeq ($(feature-libelf-getphdrnum), 1) 550 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 551 endif 552 553 ifeq ($(feature-libelf-gelf_getnote), 1) 554 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 555 else 556 $(warning gelf_getnote() not found on libelf, SDT support disabled) 557 endif 558 559 ifeq ($(feature-libelf-getshdrstrndx), 1) 560 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 561 endif 562 563 ifndef NO_LIBDEBUGINFOD 564 $(call feature_check,libdebuginfod) 565 ifeq ($(feature-libdebuginfod), 1) 566 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 567 EXTLIBS += -ldebuginfod 568 endif 569 endif 570 571 ifndef NO_DWARF 572 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 573 $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled) 574 NO_DWARF := 1 575 else 576 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 577 LDFLAGS += $(LIBDW_LDFLAGS) 578 EXTLIBS += ${DWARFLIBS} 579 $(call detected,CONFIG_DWARF) 580 endif # PERF_HAVE_DWARF_REGS 581 endif # NO_DWARF 582 583 ifndef NO_LIBBPF 584 ifeq ($(feature-bpf), 1) 585 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 586 $(call feature_check,libbpf) 587 588 ifdef LIBBPF_DYNAMIC 589 ifeq ($(feature-libbpf), 1) 590 EXTLIBS += -lbpf 591 CFLAGS += -DHAVE_LIBBPF_SUPPORT 592 $(call detected,CONFIG_LIBBPF) 593 $(call detected,CONFIG_LIBBPF_DYNAMIC) 594 else 595 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 596 endif 597 else 598 ifeq ($(NO_ZLIB), 1) 599 $(warning Warning: Statically building libbpf not possible as zlib is missing) 600 NO_LIBBPF := 1 601 else 602 # Libbpf will be built as a static library from tools/lib/bpf. 603 LIBBPF_STATIC := 1 604 $(call detected,CONFIG_LIBBPF) 605 CFLAGS += -DHAVE_LIBBPF_SUPPORT 606 endif 607 endif 608 endif 609 endif # NO_LIBBPF 610endif # NO_LIBELF 611 612ifndef NO_SDT 613 ifneq ($(feature-sdt), 1) 614 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 615 NO_SDT := 1; 616 else 617 CFLAGS += -DHAVE_SDT_EVENT 618 $(call detected,CONFIG_SDT_EVENT) 619 endif 620endif 621 622ifdef PERF_HAVE_JITDUMP 623 ifndef NO_LIBELF 624 $(call detected,CONFIG_JITDUMP) 625 CFLAGS += -DHAVE_JITDUMP 626 endif 627endif 628 629ifeq ($(SRCARCH),powerpc) 630 ifndef NO_DWARF 631 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 632 endif 633endif 634 635ifndef NO_LIBUNWIND 636 have_libunwind := 637 638 $(call feature_check,libunwind-x86) 639 ifeq ($(feature-libunwind-x86), 1) 640 $(call detected,CONFIG_LIBUNWIND_X86) 641 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 642 LDFLAGS += -lunwind-x86 643 EXTLIBS_LIBUNWIND += -lunwind-x86 644 have_libunwind = 1 645 endif 646 647 $(call feature_check,libunwind-aarch64) 648 ifeq ($(feature-libunwind-aarch64), 1) 649 $(call detected,CONFIG_LIBUNWIND_AARCH64) 650 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 651 LDFLAGS += -lunwind-aarch64 652 EXTLIBS_LIBUNWIND += -lunwind-aarch64 653 have_libunwind = 1 654 $(call feature_check,libunwind-debug-frame-aarch64) 655 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 656 $(warning No debug_frame support found in libunwind-aarch64) 657 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 658 endif 659 endif 660 661 ifneq ($(feature-libunwind), 1) 662 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR) 663 NO_LOCAL_LIBUNWIND := 1 664 else 665 have_libunwind := 1 666 $(call detected,CONFIG_LOCAL_LIBUNWIND) 667 endif 668 669 ifneq ($(have_libunwind), 1) 670 NO_LIBUNWIND := 1 671 endif 672else 673 NO_LOCAL_LIBUNWIND := 1 674endif 675 676ifndef NO_LIBBPF 677 ifneq ($(feature-bpf), 1) 678 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 679 NO_LIBBPF := 1 680 endif 681endif 682 683ifndef BUILD_BPF_SKEL 684 # BPF skeletons control a large number of perf features, by default 685 # they are enabled. 686 BUILD_BPF_SKEL := 1 687endif 688 689ifeq ($(BUILD_BPF_SKEL),1) 690 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 691 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 692 BUILD_BPF_SKEL := 0 693 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 694 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 695 BUILD_BPF_SKEL := 0 696 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 697 $(warning Warning: Disabled BPF skeletons as libbpf is required) 698 BUILD_BPF_SKEL := 0 699 else ifeq ($(call get-executable,$(CLANG)),) 700 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 701 BUILD_BPF_SKEL := 0 702 else 703 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 704 ifeq ($(call version-lt3,$(CLANG_VERSION),16.0.6),1) 705 $(warning Warning: Disabled BPF skeletons as at least $(CLANG) version 16.0.6 is reported to be a working setup with the current of BPF based perf features) 706 BUILD_BPF_SKEL := 0 707 endif 708 endif 709 ifeq ($(BUILD_BPF_SKEL),1) 710 $(call feature_check,clang-bpf-co-re) 711 ifeq ($(feature-clang-bpf-co-re), 0) 712 $(warning Warning: Disabled BPF skeletons as clang is too old) 713 BUILD_BPF_SKEL := 0 714 endif 715 endif 716 ifeq ($(BUILD_BPF_SKEL),1) 717 $(call detected,CONFIG_PERF_BPF_SKEL) 718 CFLAGS += -DHAVE_BPF_SKEL 719 endif 720endif 721 722ifndef GEN_VMLINUX_H 723 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 724endif 725 726dwarf-post-unwind := 1 727dwarf-post-unwind-text := BUG 728 729# setup DWARF post unwinder 730ifdef NO_LIBUNWIND 731 ifdef NO_LIBDW_DWARF_UNWIND 732 $(warning Disabling post unwind, no support found.) 733 dwarf-post-unwind := 0 734 else 735 dwarf-post-unwind-text := libdw 736 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 737 endif 738else 739 dwarf-post-unwind-text := libunwind 740 $(call detected,CONFIG_LIBUNWIND) 741 # Enable libunwind support by default. 742 ifndef NO_LIBDW_DWARF_UNWIND 743 NO_LIBDW_DWARF_UNWIND := 1 744 endif 745endif 746 747ifeq ($(dwarf-post-unwind),1) 748 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 749 $(call detected,CONFIG_DWARF_UNWIND) 750else 751 NO_DWARF_UNWIND := 1 752endif 753 754ifndef NO_LOCAL_LIBUNWIND 755 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 756 $(call feature_check,libunwind-debug-frame) 757 ifneq ($(feature-libunwind-debug-frame), 1) 758 $(warning No debug_frame support found in libunwind) 759 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 760 endif 761 else 762 # non-ARM has no dwarf_find_debug_frame() function: 763 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 764 endif 765 EXTLIBS += $(LIBUNWIND_LIBS) 766 LDFLAGS += $(LIBUNWIND_LIBS) 767endif 768ifeq ($(findstring -static,${LDFLAGS}),-static) 769 # gcc -static links libgcc_eh which contans piece of libunwind 770 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 771endif 772 773ifndef NO_LIBUNWIND 774 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 775 CFLAGS += $(LIBUNWIND_CFLAGS) 776 LDFLAGS += $(LIBUNWIND_LDFLAGS) 777 EXTLIBS += $(EXTLIBS_LIBUNWIND) 778endif 779 780ifneq ($(NO_LIBTRACEEVENT),1) 781 ifeq ($(NO_SYSCALL_TABLE),0) 782 $(call detected,CONFIG_TRACE) 783 else 784 ifndef NO_LIBAUDIT 785 $(call feature_check,libaudit) 786 ifneq ($(feature-libaudit), 1) 787 $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev) 788 NO_LIBAUDIT := 1 789 else 790 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 791 EXTLIBS += -laudit 792 $(call detected,CONFIG_TRACE) 793 endif 794 endif 795 endif 796endif 797 798ifndef NO_LIBCRYPTO 799 ifneq ($(feature-libcrypto), 1) 800 $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev) 801 NO_LIBCRYPTO := 1 802 else 803 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 804 EXTLIBS += -lcrypto 805 $(call detected,CONFIG_CRYPTO) 806 endif 807endif 808 809ifndef NO_SLANG 810 ifneq ($(feature-libslang), 1) 811 ifneq ($(feature-libslang-include-subdir), 1) 812 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 813 NO_SLANG := 1 814 else 815 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 816 endif 817 endif 818 ifndef NO_SLANG 819 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 820 CFLAGS += -DHAVE_SLANG_SUPPORT 821 EXTLIBS += -lslang 822 $(call detected,CONFIG_SLANG) 823 endif 824endif 825 826ifdef GTK2 827 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 828 $(call feature_check,gtk2) 829 ifneq ($(feature-gtk2), 1) 830 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 831 NO_GTK2 := 1 832 else 833 $(call feature_check,gtk2-infobar) 834 ifeq ($(feature-gtk2-infobar), 1) 835 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 836 endif 837 CFLAGS += -DHAVE_GTK2_SUPPORT 838 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 839 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 840 EXTLIBS += -ldl 841 endif 842endif 843 844ifdef NO_LIBPERL 845 CFLAGS += -DNO_LIBPERL 846else 847 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 848 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 849 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 850 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 851 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 852 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 853 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 854 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 855 856 ifneq ($(feature-libperl), 1) 857 CFLAGS += -DNO_LIBPERL 858 NO_LIBPERL := 1 859 $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev) 860 else 861 LDFLAGS += $(PERL_EMBED_LDFLAGS) 862 EXTLIBS += $(PERL_EMBED_LIBADD) 863 CFLAGS += -DHAVE_LIBPERL_SUPPORT 864 ifeq ($(CC_NO_CLANG), 0) 865 CFLAGS += -Wno-compound-token-split-by-macro 866 endif 867 $(call detected,CONFIG_LIBPERL) 868 endif 869endif 870 871ifeq ($(feature-timerfd), 1) 872 CFLAGS += -DHAVE_TIMERFD_SUPPORT 873else 874 $(warning No timerfd support. Disables 'perf kvm stat live') 875endif 876 877disable-python = $(eval $(disable-python_code)) 878define disable-python_code 879 CFLAGS += -DNO_LIBPYTHON 880 $(warning $1) 881 NO_LIBPYTHON := 1 882endef 883 884PYTHON_EXTENSION_SUFFIX := '.so' 885ifdef NO_LIBPYTHON 886 $(call disable-python,Python support disabled by user) 887else 888 889 ifndef PYTHON 890 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 891 else 892 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 893 894 ifndef PYTHON_CONFIG 895 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 896 else 897 898 ifneq ($(feature-libpython), 1) 899 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 900 else 901 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 902 EXTLIBS += $(PYTHON_EMBED_LIBADD) 903 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 904 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 905 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 906 ifdef CROSS_COMPILE 907 PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX)) 908 endif 909 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 910 else 911 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 912 endif 913 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 914 $(call detected,CONFIG_LIBPYTHON) 915 ifeq ($(filter -fPIC,$(CFLAGS)),) 916 # Building a shared library requires position independent code. 917 CFLAGS += -fPIC 918 CXXFLAGS += -fPIC 919 endif 920 endif 921 endif 922 endif 923endif 924 925ifneq ($(NO_JEVENTS),1) 926 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 927 NO_JEVENTS := 1 928 endif 929endif 930ifneq ($(NO_JEVENTS),1) 931 NO_JEVENTS := 0 932 ifndef PYTHON 933 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 934 else 935 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 936 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 937 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 938 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 939 endif 940 endif 941endif 942 943ifdef BUILD_NONDISTRO 944 ifeq ($(feature-libbfd), 1) 945 EXTLIBS += -lbfd -lopcodes 946 else 947 # we are on a system that requires -liberty and (maybe) -lz 948 # to link against -lbfd; test each case individually here 949 950 # call all detections now so we get correct 951 # status in VF output 952 $(call feature_check,libbfd-liberty) 953 $(call feature_check,libbfd-liberty-z) 954 955 ifeq ($(feature-libbfd-liberty), 1) 956 EXTLIBS += -lbfd -lopcodes -liberty 957 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 958 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 959 else 960 ifeq ($(feature-libbfd-liberty-z), 1) 961 EXTLIBS += -lbfd -lopcodes -liberty -lz 962 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 963 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 964 endif 965 endif 966 $(call feature_check,disassembler-four-args) 967 $(call feature_check,disassembler-init-styled) 968 endif 969 970 CFLAGS += -DHAVE_LIBBFD_SUPPORT 971 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 972 ifeq ($(feature-libbfd-buildid), 1) 973 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 974 else 975 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available) 976 endif 977endif 978 979ifndef NO_LIBLLVM 980 $(call feature_check,llvm-perf) 981 ifeq ($(feature-llvm-perf), 1) 982 CFLAGS += -DHAVE_LIBLLVM_SUPPORT 983 CFLAGS += $(shell $(LLVM_CONFIG) --cflags) 984 CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT 985 CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxflags) 986 LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs) 987 EXTLIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM) 988 EXTLIBS += -lstdc++ 989 $(call detected,CONFIG_LIBLLVM) 990 else 991 $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev) 992 NO_LIBLLVM := 1 993 endif 994endif 995 996ifndef NO_DEMANGLE 997 $(call feature_check,cxa-demangle) 998 ifeq ($(feature-cxa-demangle), 1) 999 EXTLIBS += -lstdc++ 1000 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 1001 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 1002 $(call detected,CONFIG_CXX_DEMANGLE) 1003 endif 1004 ifdef BUILD_NONDISTRO 1005 ifeq ($(filter -liberty,$(EXTLIBS)),) 1006 $(call feature_check,cplus-demangle) 1007 ifeq ($(feature-cplus-demangle), 1) 1008 EXTLIBS += -liberty 1009 endif 1010 endif 1011 ifneq ($(filter -liberty,$(EXTLIBS)),) 1012 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1013 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1014 endif 1015 endif 1016endif 1017 1018ifndef NO_LZMA 1019 ifeq ($(feature-lzma), 1) 1020 CFLAGS += -DHAVE_LZMA_SUPPORT 1021 EXTLIBS += -llzma 1022 $(call detected,CONFIG_LZMA) 1023 else 1024 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 1025 NO_LZMA := 1 1026 endif 1027endif 1028 1029ifndef NO_LIBZSTD 1030 ifeq ($(feature-libzstd), 1) 1031 CFLAGS += -DHAVE_ZSTD_SUPPORT 1032 CFLAGS += $(LIBZSTD_CFLAGS) 1033 LDFLAGS += $(LIBZSTD_LDFLAGS) 1034 EXTLIBS += -lzstd 1035 $(call detected,CONFIG_ZSTD) 1036 else 1037 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 1038 NO_LIBZSTD := 1 1039 endif 1040endif 1041 1042ifndef NO_BACKTRACE 1043 ifeq ($(feature-backtrace), 1) 1044 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1045 endif 1046endif 1047 1048ifndef NO_LIBNUMA 1049 ifeq ($(feature-libnuma), 0) 1050 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1051 NO_LIBNUMA := 1 1052 else 1053 ifeq ($(feature-numa_num_possible_cpus), 0) 1054 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1055 NO_LIBNUMA := 1 1056 else 1057 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1058 EXTLIBS += -lnuma 1059 $(call detected,CONFIG_NUMA) 1060 endif 1061 endif 1062endif 1063 1064ifdef HAVE_KVM_STAT_SUPPORT 1065 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1066endif 1067 1068ifeq ($(feature-disassembler-four-args), 1) 1069 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1070endif 1071 1072ifeq ($(feature-disassembler-init-styled), 1) 1073 CFLAGS += -DDISASM_INIT_STYLED 1074endif 1075 1076ifeq (${IS_64_BIT}, 1) 1077 ifndef NO_PERF_READ_VDSO32 1078 $(call feature_check,compile-32) 1079 ifeq ($(feature-compile-32), 1) 1080 CFLAGS += -DHAVE_PERF_READ_VDSO32 1081 else 1082 NO_PERF_READ_VDSO32 := 1 1083 endif 1084 endif 1085 ifneq ($(SRCARCH), x86) 1086 NO_PERF_READ_VDSOX32 := 1 1087 endif 1088 ifndef NO_PERF_READ_VDSOX32 1089 $(call feature_check,compile-x32) 1090 ifeq ($(feature-compile-x32), 1) 1091 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1092 else 1093 NO_PERF_READ_VDSOX32 := 1 1094 endif 1095 endif 1096else 1097 NO_PERF_READ_VDSO32 := 1 1098 NO_PERF_READ_VDSOX32 := 1 1099endif 1100 1101ifndef NO_LIBBABELTRACE 1102 $(call feature_check,libbabeltrace) 1103 ifeq ($(feature-libbabeltrace), 1) 1104 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1105 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1106 EXTLIBS += -lbabeltrace-ctf 1107 $(call detected,CONFIG_LIBBABELTRACE) 1108 else 1109 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1110 endif 1111endif 1112 1113ifndef NO_CAPSTONE 1114 $(call feature_check,libcapstone) 1115 ifeq ($(feature-libcapstone), 1) 1116 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1117 LDFLAGS += $(LICAPSTONE_LDFLAGS) 1118 EXTLIBS += -lcapstone 1119 $(call detected,CONFIG_LIBCAPSTONE) 1120 else 1121 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1122 endif 1123endif 1124 1125ifndef NO_AUXTRACE 1126 ifeq ($(SRCARCH),x86) 1127 ifeq ($(feature-get_cpuid), 0) 1128 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc) 1129 NO_AUXTRACE := 1 1130 endif 1131 endif 1132 ifndef NO_AUXTRACE 1133 $(call detected,CONFIG_AUXTRACE) 1134 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1135 ifeq ($(feature-reallocarray), 0) 1136 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1137 endif 1138 endif 1139endif 1140 1141ifdef EXTRA_TESTS 1142 $(call detected,CONFIG_EXTRA_TESTS) 1143 CFLAGS += -DHAVE_EXTRA_TESTS 1144endif 1145 1146ifndef NO_JVMTI 1147 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1148 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1149 else 1150 ifneq (,$(wildcard /usr/sbin/alternatives)) 1151 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1152 endif 1153 endif 1154 ifndef JDIR 1155 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1156 NO_JVMTI := 1 1157 endif 1158endif 1159 1160ifndef NO_JVMTI 1161 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1162 $(call feature_check,jvmti) 1163 ifeq ($(feature-jvmti), 1) 1164 $(call detected_var,JDIR) 1165 ifndef NO_JVMTI_CMLR 1166 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1167 $(call feature_check,jvmti-cmlr) 1168 ifeq ($(feature-jvmti-cmlr), 1) 1169 CFLAGS += -DHAVE_JVMTI_CMLR 1170 endif 1171 endif # NO_JVMTI_CMLR 1172 else 1173 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1174 NO_JVMTI := 1 1175 endif 1176endif 1177 1178ifndef NO_LIBPFM4 1179 $(call feature_check,libpfm4) 1180 ifeq ($(feature-libpfm4), 1) 1181 CFLAGS += -DHAVE_LIBPFM 1182 EXTLIBS += -lpfm 1183 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1184 $(call detected,CONFIG_LIBPFM4) 1185 else 1186 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev) 1187 endif 1188endif 1189 1190# libtraceevent is a recommended dependency picked up from the system. 1191ifneq ($(NO_LIBTRACEEVENT),1) 1192 $(call feature_check,libtraceevent) 1193 ifeq ($(feature-libtraceevent), 1) 1194 CFLAGS += -DHAVE_LIBTRACEEVENT 1195 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent) 1196 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent) 1197 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0 1198 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1199 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1200 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1201 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1202 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1203 $(call detected,CONFIG_LIBTRACEEVENT) 1204 else 1205 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1206 endif 1207 1208 $(call feature_check,libtracefs) 1209 ifeq ($(feature-libtracefs), 1) 1210 CFLAGS += $(shell $(PKG_CONFIG) --cflags libtracefs) 1211 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtracefs) 1212 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtracefs) 1213 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs).0.0 1214 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1215 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1216 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1217 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1218 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1219 else 1220 $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel) 1221 endif 1222endif 1223 1224# Among the variables below, these: 1225# perfexecdir 1226# libbpf_include_dir 1227# perf_examples_dir 1228# template_dir 1229# mandir 1230# infodir 1231# htmldir 1232# ETC_PERFCONFIG (but not sysconfdir) 1233# can be specified as a relative path some/where/else; 1234# this is interpreted as relative to $(prefix) and "perf" at 1235# runtime figures out where they are based on the path to the executable. 1236# This can help installing the suite in a relocatable way. 1237 1238# Make the path relative to DESTDIR, not to prefix 1239ifndef DESTDIR 1240prefix ?= $(HOME) 1241endif 1242bindir_relative = bin 1243bindir = $(abspath $(prefix)/$(bindir_relative)) 1244includedir_relative = include 1245includedir = $(abspath $(prefix)/$(includedir_relative)) 1246mandir = share/man 1247infodir = share/info 1248perfexecdir = libexec/perf-core 1249# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1250libbpf_include_dir = /usr/include 1251perf_examples_dir = lib/perf/examples 1252sharedir = $(prefix)/share 1253template_dir = share/perf-core/templates 1254STRACE_GROUPS_DIR = share/perf-core/strace/groups 1255htmldir = share/doc/perf-doc 1256tipdir = share/doc/perf-tip 1257srcdir = $(srctree)/tools/perf 1258ifeq ($(prefix),/usr) 1259sysconfdir = /etc 1260ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1261else 1262sysconfdir = $(prefix)/etc 1263ETC_PERFCONFIG = etc/perfconfig 1264endif 1265ifndef lib 1266ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1267lib = lib64 1268else 1269lib = lib 1270endif 1271endif # lib 1272libdir = $(prefix)/$(lib) 1273 1274# Shell quote (do not use $(call) to accommodate ancient setups); 1275ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1276STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1277DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1278bindir_SQ = $(subst ','\'',$(bindir)) 1279includedir_SQ = $(subst ','\'',$(includedir)) 1280mandir_SQ = $(subst ','\'',$(mandir)) 1281infodir_SQ = $(subst ','\'',$(infodir)) 1282perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1283libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1284perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1285template_dir_SQ = $(subst ','\'',$(template_dir)) 1286htmldir_SQ = $(subst ','\'',$(htmldir)) 1287tipdir_SQ = $(subst ','\'',$(tipdir)) 1288prefix_SQ = $(subst ','\'',$(prefix)) 1289sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1290libdir_SQ = $(subst ','\'',$(libdir)) 1291srcdir_SQ = $(subst ','\'',$(srcdir)) 1292 1293ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1294perfexec_instdir = $(perfexecdir) 1295perf_include_instdir = $(libbpf_include_dir) 1296perf_examples_instdir = $(perf_examples_dir) 1297STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1298tip_instdir = $(tipdir) 1299else 1300perfexec_instdir = $(prefix)/$(perfexecdir) 1301perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1302perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1303STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1304tip_instdir = $(prefix)/$(tipdir) 1305endif 1306perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1307perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1308perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1309STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1310tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1311 1312export perfexec_instdir_SQ 1313 1314print_var = $(eval $(print_var_code)) $(info $(MSG)) 1315define print_var_code 1316 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1317endef 1318 1319ifeq ($(feature_display),1) 1320 $(call feature_display_entries) 1321endif 1322 1323ifeq ($(VF),1) 1324 # Display EXTRA features which are detected manualy 1325 # from here with feature_check call and thus cannot 1326 # be partof global state output. 1327 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1328 $(call print_var,prefix) 1329 $(call print_var,bindir) 1330 $(call print_var,libdir) 1331 $(call print_var,sysconfdir) 1332 $(call print_var,LIBUNWIND_DIR) 1333 $(call print_var,LIBDW_DIR) 1334 $(call print_var,JDIR) 1335 1336 ifeq ($(dwarf-post-unwind),1) 1337 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1338 endif 1339endif 1340 1341$(info ) 1342 1343$(call detected_var,bindir_SQ) 1344$(call detected_var,PYTHON_WORD) 1345ifneq ($(OUTPUT),) 1346$(call detected_var,OUTPUT) 1347endif 1348$(call detected_var,htmldir_SQ) 1349$(call detected_var,infodir_SQ) 1350$(call detected_var,mandir_SQ) 1351$(call detected_var,ETC_PERFCONFIG_SQ) 1352$(call detected_var,STRACE_GROUPS_DIR_SQ) 1353$(call detected_var,prefix_SQ) 1354$(call detected_var,perfexecdir_SQ) 1355$(call detected_var,libbpf_include_dir_SQ) 1356$(call detected_var,perf_examples_dir_SQ) 1357$(call detected_var,tipdir_SQ) 1358$(call detected_var,srcdir_SQ) 1359$(call detected_var,LIBDIR) 1360$(call detected_var,GTK_CFLAGS) 1361$(call detected_var,PERL_EMBED_CCOPTS) 1362$(call detected_var,PYTHON_EMBED_CCOPTS) 1363ifneq ($(BISON_FILE_PREFIX_MAP),) 1364$(call detected_var,BISON_FILE_PREFIX_MAP) 1365endif 1366 1367# re-generate FEATURE-DUMP as we may have called feature_check, found out 1368# extra libraries to add to LDFLAGS of some other test and then redo those 1369# tests, see the block about libbfd, disassembler-four-args, for instance. 1370$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1371$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1372