diff options
Diffstat (limited to 'tools/perf/config')
31 files changed, 1285 insertions, 138 deletions
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile new file mode 100644 index 00000000000..f30ac5e5d27 --- /dev/null +++ b/tools/perf/config/Makefile @@ -0,0 +1,738 @@ + +ifeq ($(src-perf),) +src-perf := $(srctree)/tools/perf +endif + +ifeq ($(obj-perf),) +obj-perf := $(OUTPUT) +endif + +ifneq ($(obj-perf),) +obj-perf := $(abspath $(obj-perf))/ +endif + +LIB_INCLUDE := $(srctree)/tools/lib/ +CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS) + +include $(src-perf)/config/Makefile.arch + +NO_PERF_REGS := 1 + +# Additional ARCH settings for x86 +ifeq ($(ARCH),x86) + ifeq (${IS_X86_64}, 1) + CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT + ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S + LIBUNWIND_LIBS = -lunwind -lunwind-x86_64 + else + LIBUNWIND_LIBS = -lunwind -lunwind-x86 + endif + NO_PERF_REGS := 0 +endif + +ifeq ($(ARCH),arm) + NO_PERF_REGS := 0 + LIBUNWIND_LIBS = -lunwind -lunwind-arm +endif + +ifeq ($(ARCH),arm64) + NO_PERF_REGS := 0 + LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 +endif + +# So far there's only x86 and arm libdw unwind support merged in perf. +# Disable it on all other architectures in case libdw unwind +# support is detected in system. Add supported architectures +# to the check. +ifneq ($(ARCH),$(filter $(ARCH),x86 arm)) + NO_LIBDW_DWARF_UNWIND := 1 +endif + +ifeq ($(LIBUNWIND_LIBS),) + NO_LIBUNWIND := 1 +else + # + # For linking with debug library, run like: + # + # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ + # + ifdef LIBUNWIND_DIR + LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include + LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib + endif + LIBUNWIND_LDFLAGS += $(LIBUNWIND_LIBS) + + # Set per-feature check compilation flags + FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) + FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) + FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) + FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) +endif + +ifeq ($(NO_PERF_REGS),0) + CFLAGS += -DHAVE_PERF_REGS_SUPPORT +endif + +ifndef NO_LIBELF + # for linking with debug library, run like: + # make DEBUG=1 LIBDW_DIR=/opt/libdw/ + ifdef LIBDW_DIR + LIBDW_CFLAGS := -I$(LIBDW_DIR)/include + LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib + endif + FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS) + FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw +endif + +# include ARCH specific config +-include $(src-perf)/arch/$(ARCH)/Makefile + +include $(src-perf)/config/utilities.mak + +ifeq ($(call get-executable,$(FLEX)),) + dummy := $(error Error: $(FLEX) is missing on this system, please install it) +endif + +ifeq ($(call get-executable,$(BISON)),) + dummy := $(error Error: $(BISON) is missing on this system, please install it) +endif + +# Treat warnings as errors unless directed not to +ifneq ($(WERROR),0) + CFLAGS += -Werror +endif + +ifndef DEBUG + DEBUG := 0 +endif + +ifeq ($(DEBUG),0) + CFLAGS += -O6 +endif + +ifdef PARSER_DEBUG + PARSER_DEBUG_BISON := -t + PARSER_DEBUG_FLEX := -d + CFLAGS += -DPARSER_DEBUG +endif + +CFLAGS += -fno-omit-frame-pointer +CFLAGS += -ggdb3 +CFLAGS += -funwind-tables +CFLAGS += -Wall +CFLAGS += -Wextra +CFLAGS += -std=gnu99 + +# Enforce a non-executable stack, as we may regress (again) in the future by +# adding assembler files missing the .GNU-stack linker note. +LDFLAGS += -Wl,-z,noexecstack + +EXTLIBS = -lelf -lpthread -lrt -lm -ldl + +ifneq ($(OUTPUT),) + OUTPUT_FEATURES = $(OUTPUT)config/feature-checks/ + $(shell mkdir -p $(OUTPUT_FEATURES)) +endif + +feature_check = $(eval $(feature_check_code)) +define feature_check_code + feature-$(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) +endef + +feature_set = $(eval $(feature_set_code)) +define feature_set_code + feature-$(1) := 1 +endef + +# +# Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output: +# + +# +# Note that this is not a complete list of all feature tests, just +# those that are typically built on a fully configured system. +# +# [ Feature tests not mentioned here have to be built explicitly in +# the rule that uses them - an example for that is the 'bionic' +# feature check. ] +# +CORE_FEATURE_TESTS = \ + backtrace \ + dwarf \ + fortify-source \ + glibc \ + gtk2 \ + gtk2-infobar \ + libaudit \ + libbfd \ + libelf \ + libelf-getphdrnum \ + libelf-mmap \ + libnuma \ + libperl \ + libpython \ + libpython-version \ + libslang \ + libunwind \ + stackprotector-all \ + timerfd \ + libdw-dwarf-unwind + +LIB_FEATURE_TESTS = \ + dwarf \ + glibc \ + gtk2 \ + libaudit \ + libbfd \ + libelf \ + libnuma \ + libperl \ + libpython \ + libslang \ + libunwind \ + libdw-dwarf-unwind + +VF_FEATURE_TESTS = \ + backtrace \ + fortify-source \ + gtk2-infobar \ + libelf-getphdrnum \ + libelf-mmap \ + libpython-version \ + stackprotector-all \ + timerfd \ + libunwind-debug-frame \ + bionic \ + liberty \ + liberty-z \ + cplus-demangle + +# Set FEATURE_CHECK_(C|LD)FLAGS-all for all CORE_FEATURE_TESTS features. +# If in the future we need per-feature checks/flags for features not +# mentioned in this list we need to refactor this ;-). +set_test_all_flags = $(eval $(set_test_all_flags_code)) +define set_test_all_flags_code + FEATURE_CHECK_CFLAGS-all += $(FEATURE_CHECK_CFLAGS-$(1)) + FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1)) +endef + +$(foreach feat,$(CORE_FEATURE_TESTS),$(call set_test_all_flags,$(feat))) + +# +# Special fast-path for the 'all features are available' case: +# +$(call feature_check,all,$(MSG)) + +# +# Just in case the build freshly failed, make sure we print the +# feature matrix: +# +ifeq ($(feature-all), 1) + # + # test-all.c passed - just set all the core feature flags to 1: + # + $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_set,$(feat))) +else + $(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) + $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_check,$(feat))) +endif + +ifeq ($(feature-stackprotector-all), 1) + CFLAGS += -fstack-protector-all +endif + +ifeq ($(DEBUG),0) + ifeq ($(feature-fortify-source), 1) + CFLAGS += -D_FORTIFY_SOURCE=2 + endif +endif + +CFLAGS += -I$(src-perf)/util/include +CFLAGS += -I$(src-perf)/arch/$(ARCH)/include +CFLAGS += -I$(srctree)/tools/include/ +CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi +CFLAGS += -I$(srctree)/arch/$(ARCH)/include +CFLAGS += -I$(srctree)/include/uapi +CFLAGS += -I$(srctree)/include + +# $(obj-perf) for generated common-cmds.h +# $(obj-perf)/util for generated bison/flex headers +ifneq ($(OUTPUT),) +CFLAGS += -I$(obj-perf)/util +CFLAGS += -I$(obj-perf) +endif + +CFLAGS += -I$(src-perf)/util +CFLAGS += -I$(src-perf) +CFLAGS += -I$(LIB_INCLUDE) + +CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE + +ifndef NO_BIONIC + $(call feature_check,bionic) + ifeq ($(feature-bionic), 1) + BIONIC := 1 + EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) + EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) + endif +endif + +ifdef NO_LIBELF + NO_DWARF := 1 + NO_DEMANGLE := 1 + NO_LIBUNWIND := 1 + NO_LIBDW_DWARF_UNWIND := 1 +else + ifeq ($(feature-libelf), 0) + ifeq ($(feature-glibc), 1) + LIBC_SUPPORT := 1 + endif + ifeq ($(BIONIC),1) + LIBC_SUPPORT := 1 + endif + ifeq ($(LIBC_SUPPORT),1) + msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev); + + NO_LIBELF := 1 + NO_DWARF := 1 + NO_DEMANGLE := 1 + NO_LIBUNWIND := 1 + NO_LIBDW_DWARF_UNWIND := 1 + else + ifneq ($(filter s% -static%,$(LDFLAGS),),) + msg := $(error No static glibc found, please install glibc-static); + else + msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]); + endif + endif + else + ifndef NO_LIBDW_DWARF_UNWIND + ifneq ($(feature-libdw-dwarf-unwind),1) + NO_LIBDW_DWARF_UNWIND := 1 + msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR); + endif + endif + ifneq ($(feature-dwarf), 1) + msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev); + NO_DWARF := 1 + endif # Dwarf support + endif # libelf support +endif # NO_LIBELF + +ifndef NO_LIBELF + CFLAGS += -DHAVE_LIBELF_SUPPORT + + ifeq ($(feature-libelf-mmap), 1) + CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT + endif + + ifeq ($(feature-libelf-getphdrnum), 1) + CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT + endif + + # include ARCH specific config + -include $(src-perf)/arch/$(ARCH)/Makefile + + ifndef NO_DWARF + ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) + msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled); + NO_DWARF := 1 + else + CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) + LDFLAGS += $(LIBDW_LDFLAGS) + EXTLIBS += -lelf -ldw + endif # PERF_HAVE_DWARF_REGS + endif # NO_DWARF +endif # NO_LIBELF + +ifndef NO_LIBUNWIND + ifneq ($(feature-libunwind), 1) + msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR); + NO_LIBUNWIND := 1 + endif +endif + +dwarf-post-unwind := 1 +dwarf-post-unwind-text := BUG + +# setup DWARF post unwinder +ifdef NO_LIBUNWIND + ifdef NO_LIBDW_DWARF_UNWIND + msg := $(warning Disabling post unwind, no support found.); + dwarf-post-unwind := 0 + else + dwarf-post-unwind-text := libdw + endif +else + dwarf-post-unwind-text := libunwind + # Enable libunwind support by default. + ifndef NO_LIBDW_DWARF_UNWIND + NO_LIBDW_DWARF_UNWIND := 1 + endif +endif + +ifeq ($(dwarf-post-unwind),1) + CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT +else + NO_DWARF_UNWIND := 1 +endif + +ifndef NO_LIBUNWIND + ifeq ($(ARCH),$(filter $(ARCH),arm arm64)) + $(call feature_check,libunwind-debug-frame) + ifneq ($(feature-libunwind-debug-frame), 1) + msg := $(warning No debug_frame support found in libunwind); + CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME + endif + else + # non-ARM has no dwarf_find_debug_frame() function: + CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME + endif + CFLAGS += -DHAVE_LIBUNWIND_SUPPORT + EXTLIBS += $(LIBUNWIND_LIBS) + CFLAGS += $(LIBUNWIND_CFLAGS) + LDFLAGS += $(LIBUNWIND_LDFLAGS) +endif + +ifndef NO_LIBAUDIT + ifneq ($(feature-libaudit), 1) + msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev); + NO_LIBAUDIT := 1 + else + CFLAGS += -DHAVE_LIBAUDIT_SUPPORT + EXTLIBS += -laudit + endif +endif + +ifdef NO_NEWT + NO_SLANG=1 +endif + +ifndef NO_SLANG + ifneq ($(feature-libslang), 1) + msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev); + NO_SLANG := 1 + else + # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h + CFLAGS += -I/usr/include/slang + CFLAGS += -DHAVE_SLANG_SUPPORT + EXTLIBS += -lslang + endif +endif + +ifndef NO_GTK2 + FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) + ifneq ($(feature-gtk2), 1) + msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); + NO_GTK2 := 1 + else + ifeq ($(feature-gtk2-infobar), 1) + GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT + endif + CFLAGS += -DHAVE_GTK2_SUPPORT + GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) + GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) + EXTLIBS += -ldl + endif +endif + +grep-libs = $(filter -l%,$(1)) +strip-libs = $(filter-out -l%,$(1)) + +ifdef NO_LIBPERL + CFLAGS += -DNO_LIBPERL +else + PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) + PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) + PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) + PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null` + FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) + + ifneq ($(feature-libperl), 1) + CFLAGS += -DNO_LIBPERL + NO_LIBPERL := 1 + msg := $(warning Missing perl devel files. Disabling perl scripting support, consider installing perl-ExtUtils-Embed); + else + LDFLAGS += $(PERL_EMBED_LDFLAGS) + EXTLIBS += $(PERL_EMBED_LIBADD) + endif +endif + +ifeq ($(feature-timerfd), 1) + CFLAGS += -DHAVE_TIMERFD_SUPPORT +else + msg := $(warning No timerfd support. Disables 'perf kvm stat live'); +endif + +disable-python = $(eval $(disable-python_code)) +define disable-python_code + CFLAGS += -DNO_LIBPYTHON + $(if $(1),$(warning No $(1) was found)) + $(warning Python support will not be built) + NO_LIBPYTHON := 1 +endef + +override PYTHON := \ + $(call get-executable-or-default,PYTHON,python) + +ifndef PYTHON + $(call disable-python,python interpreter) +else + + PYTHON_WORD := $(call shell-wordify,$(PYTHON)) + + ifdef NO_LIBPYTHON + $(call disable-python) + else + + override PYTHON_CONFIG := \ + $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config) + + ifndef PYTHON_CONFIG + $(call disable-python,python-config tool) + else + + PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) + + PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null) + PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) + PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) + PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null) + FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) + + ifneq ($(feature-libpython), 1) + $(call disable-python,Python.h (for Python 2.x)) + else + + ifneq ($(feature-libpython-version), 1) + $(warning Python 3 is not yet supported; please set) + $(warning PYTHON and/or PYTHON_CONFIG appropriately.) + $(warning If you also have Python 2 installed, then) + $(warning try something like:) + $(warning $(and ,)) + $(warning $(and ,) make PYTHON=python2) + $(warning $(and ,)) + $(warning Otherwise, disable Python support entirely:) + $(warning $(and ,)) + $(warning $(and ,) make NO_LIBPYTHON=1) + $(warning $(and ,)) + $(error $(and ,)) + else + LDFLAGS += $(PYTHON_EMBED_LDFLAGS) + EXTLIBS += $(PYTHON_EMBED_LIBADD) + LANG_BINDINGS += $(obj-perf)python/perf.so + endif + endif + endif + endif +endif + +ifeq ($(feature-libbfd), 1) + EXTLIBS += -lbfd + + # call all detections now so we get correct + # status in VF output + $(call feature_check,liberty) + $(call feature_check,liberty-z) + $(call feature_check,cplus-demangle) + + ifeq ($(feature-liberty), 1) + EXTLIBS += -liberty + else + ifeq ($(feature-liberty-z), 1) + EXTLIBS += -liberty -lz + endif + endif +endif + +ifdef NO_DEMANGLE + CFLAGS += -DNO_DEMANGLE +else + ifdef HAVE_CPLUS_DEMANGLE_SUPPORT + EXTLIBS += -liberty + CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT + else + ifneq ($(feature-libbfd), 1) + ifneq ($(feature-liberty), 1) + ifneq ($(feature-liberty-z), 1) + # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT + # or any of 'bfd iberty z' trinity + ifeq ($(feature-cplus-demangle), 1) + EXTLIBS += -liberty + CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT + else + msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling) + CFLAGS += -DNO_DEMANGLE + endif + endif + endif + endif + endif +endif + +ifneq ($(filter -lbfd,$(EXTLIBS)),) + CFLAGS += -DHAVE_LIBBFD_SUPPORT +endif + +ifndef NO_BACKTRACE + ifeq ($(feature-backtrace), 1) + CFLAGS += -DHAVE_BACKTRACE_SUPPORT + endif +endif + +ifndef NO_LIBNUMA + ifeq ($(feature-libnuma), 0) + msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); + NO_LIBNUMA := 1 + else + CFLAGS += -DHAVE_LIBNUMA_SUPPORT + EXTLIBS += -lnuma + endif +endif + +# Among the variables below, these: +# perfexecdir +# template_dir +# mandir +# infodir +# htmldir +# ETC_PERFCONFIG (but not sysconfdir) +# can be specified as a relative path some/where/else; +# this is interpreted as relative to $(prefix) and "perf" at +# runtime figures out where they are based on the path to the executable. +# This can help installing the suite in a relocatable way. + +# Make the path relative to DESTDIR, not to prefix +ifndef DESTDIR +prefix ?= $(HOME) +endif +bindir_relative = bin +bindir = $(prefix)/$(bindir_relative) +mandir = share/man +infodir = share/info +perfexecdir = libexec/perf-core +sharedir = $(prefix)/share +template_dir = share/perf-core/templates +htmldir = share/doc/perf-doc +ifeq ($(prefix),/usr) +sysconfdir = /etc +ETC_PERFCONFIG = $(sysconfdir)/perfconfig +else +sysconfdir = $(prefix)/etc +ETC_PERFCONFIG = etc/perfconfig +endif +ifeq ($(IS_X86_64),1) +lib = lib64 +else +lib = lib +endif +libdir = $(prefix)/$(lib) + +# Shell quote (do not use $(call) to accommodate ancient setups); +ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) +DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) +bindir_SQ = $(subst ','\'',$(bindir)) +mandir_SQ = $(subst ','\'',$(mandir)) +infodir_SQ = $(subst ','\'',$(infodir)) +perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) +template_dir_SQ = $(subst ','\'',$(template_dir)) +htmldir_SQ = $(subst ','\'',$(htmldir)) +prefix_SQ = $(subst ','\'',$(prefix)) +sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) +libdir_SQ = $(subst ','\'',$(libdir)) + +ifneq ($(filter /%,$(firstword $(perfexecdir))),) +perfexec_instdir = $(perfexecdir) +else +perfexec_instdir = $(prefix)/$(perfexecdir) +endif +perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) + +# If we install to $(HOME) we keep the traceevent default: +# $(HOME)/.traceevent/plugins +# Otherwise we install plugins into the global $(libdir). +ifdef DESTDIR +plugindir=$(libdir)/traceevent/plugins +plugindir_SQ= $(subst ','\'',$(plugindir)) +endif + +# +# Print the result of the feature test: +# +feature_print_status = $(eval $(feature_print_status_code)) $(info $(MSG)) + +define feature_print_status_code + ifeq ($(feature-$(1)), 1) + MSG = $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1)) + else + MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1)) + endif +endef + +feature_print_var = $(eval $(feature_print_var_code)) $(info $(MSG)) +define feature_print_var_code + MSG = $(shell printf '...%30s: %s' $(1) $($(1))) +endef + +feature_print_text = $(eval $(feature_print_text_code)) $(info $(MSG)) +define feature_print_text_code + MSG = $(shell printf '...%30s: %s' $(1) $(2)) +endef + +PERF_FEATURES := $(foreach feat,$(LIB_FEATURE_TESTS),feature-$(feat)($(feature-$(feat)))) +PERF_FEATURES_FILE := $(shell touch $(OUTPUT)PERF-FEATURES; cat $(OUTPUT)PERF-FEATURES) + +ifeq ($(dwarf-post-unwind),1) + PERF_FEATURES += dwarf-post-unwind($(dwarf-post-unwind-text)) +endif + +# The $(display_lib) controls the default detection message +# output. It's set if: +# - detected features differes from stored features from +# last build (in PERF-FEATURES file) +# - one of the $(LIB_FEATURE_TESTS) is not detected +# - VF is enabled + +ifneq ("$(PERF_FEATURES)","$(PERF_FEATURES_FILE)") + $(shell echo "$(PERF_FEATURES)" > $(OUTPUT)PERF-FEATURES) + display_lib := 1 +endif + +feature_check = $(eval $(feature_check_code)) +define feature_check_code + ifneq ($(feature-$(1)), 1) + display_lib := 1 + endif +endef + +$(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_check,$(feat))) + +ifeq ($(VF),1) + display_lib := 1 + display_vf := 1 +endif + +ifeq ($(display_lib),1) + $(info ) + $(info Auto-detecting system features:) + $(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_print_status,$(feat),)) + + ifeq ($(dwarf-post-unwind),1) + $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) + endif +endif + +ifeq ($(display_vf),1) + $(foreach feat,$(VF_FEATURE_TESTS),$(call feature_print_status,$(feat),)) + $(info ) + $(call feature_print_var,prefix) + $(call feature_print_var,bindir) + $(call feature_print_var,libdir) + $(call feature_print_var,sysconfdir) + $(call feature_print_var,LIBUNWIND_DIR) + $(call feature_print_var,LIBDW_DIR) +endif + +ifeq ($(display_lib),1) + $(info ) +endif diff --git a/tools/perf/config/Makefile.arch b/tools/perf/config/Makefile.arch new file mode 100644 index 00000000000..4b06719ee98 --- /dev/null +++ b/tools/perf/config/Makefile.arch @@ -0,0 +1,23 @@ + +uname_M := $(shell uname -m 2>/dev/null || echo not) + +ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ + -e s/arm.*/arm/ -e s/sa110/arm/ \ + -e s/s390x/s390/ -e s/parisc64/parisc/ \ + -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ + -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \ + -e s/tile.*/tile/ ) + +# Additional ARCH settings for x86 +ifeq ($(ARCH),i386) + override ARCH := x86 +endif + +ifeq ($(ARCH),x86_64) + override ARCH := x86 + IS_X86_64 := 0 + ifeq (, $(findstring m32,$(CFLAGS))) + IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1) + RAW_ARCH := x86_64 + endif +endif diff --git a/tools/perf/config/feature-checks/.gitignore b/tools/perf/config/feature-checks/.gitignore new file mode 100644 index 00000000000..80f3da0c351 --- /dev/null +++ b/tools/perf/config/feature-checks/.gitignore @@ -0,0 +1,2 @@ +*.d +*.bin diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile new file mode 100644 index 00000000000..64c84e5f051 --- /dev/null +++ b/tools/perf/config/feature-checks/Makefile @@ -0,0 +1,149 @@ + +FILES= \ + test-all.bin \ + test-backtrace.bin \ + test-bionic.bin \ + test-dwarf.bin \ + test-fortify-source.bin \ + test-glibc.bin \ + test-gtk2.bin \ + test-gtk2-infobar.bin \ + test-hello.bin \ + test-libaudit.bin \ + test-libbfd.bin \ + test-liberty.bin \ + test-liberty-z.bin \ + test-cplus-demangle.bin \ + test-libelf.bin \ + test-libelf-getphdrnum.bin \ + test-libelf-mmap.bin \ + test-libnuma.bin \ + test-libperl.bin \ + test-libpython.bin \ + test-libpython-version.bin \ + test-libslang.bin \ + test-libunwind.bin \ + test-libunwind-debug-frame.bin \ + test-stackprotector-all.bin \ + test-timerfd.bin \ + test-libdw-dwarf-unwind.bin + +CC := $(CROSS_COMPILE)gcc -MD +PKG_CONFIG := $(CROSS_COMPILE)pkg-config + +all: $(FILES) + +BUILD = $(CC) $(CFLAGS) -o $(OUTPUT)$@ $(patsubst %.bin,%.c,$@) $(LDFLAGS) + +############################### + +test-all.bin: + $(BUILD) -Werror -fstack-protector-all -O2 -Werror -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -laudit -I/usr/include/slang -lslang $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl + +test-hello.bin: + $(BUILD) + +test-stackprotector-all.bin: + $(BUILD) -Werror -fstack-protector-all + +test-fortify-source.bin: + $(BUILD) -O2 -Werror -D_FORTIFY_SOURCE=2 + +test-bionic.bin: + $(BUILD) + +test-libelf.bin: + $(BUILD) -lelf + +test-glibc.bin: + $(BUILD) + +test-dwarf.bin: + $(BUILD) -ldw + +test-libelf-mmap.bin: + $(BUILD) -lelf + +test-libelf-getphdrnum.bin: + $(BUILD) -lelf + +test-libnuma.bin: + $(BUILD) -lnuma + +test-libunwind.bin: + $(BUILD) -lelf + +test-libunwind-debug-frame.bin: + $(BUILD) -lelf + +test-libaudit.bin: + $(BUILD) -laudit + +test-libslang.bin: + $(BUILD) -I/usr/include/slang -lslang + +test-gtk2.bin: + $(BUILD) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) + +test-gtk2-infobar.bin: + $(BUILD) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) + +grep-libs = $(filter -l%,$(1)) +strip-libs = $(filter-out -l%,$(1)) + +PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) +PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) +PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) +PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null` +FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) + +test-libperl.bin: + $(BUILD) $(FLAGS_PERL_EMBED) + +override PYTHON := python +override PYTHON_CONFIG := python-config + +escape-for-shell-sq = $(subst ','\'',$(1)) +shell-sq = '$(escape-for-shell-sq)' + +PYTHON_CONFIG_SQ = $(call shell-sq,$(PYTHON_CONFIG)) + +PYTHON_EMBED_LDOPTS = $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null) +PYTHON_EMBED_LDFLAGS = $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) +PYTHON_EMBED_LIBADD = $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) +PYTHON_EMBED_CCOPTS = $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null) +FLAGS_PYTHON_EMBED = $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) + +test-libpython.bin: + $(BUILD) $(FLAGS_PYTHON_EMBED) + +test-libpython-version.bin: + $(BUILD) $(FLAGS_PYTHON_EMBED) + +test-libbfd.bin: + $(BUILD) -DPACKAGE='"perf"' -lbfd -lz -liberty -ldl + +test-liberty.bin: + $(CC) -o $(OUTPUT)$@ test-libbfd.c -DPACKAGE='"perf"' -lbfd -ldl -liberty + +test-liberty-z.bin: + $(CC) -o $(OUTPUT)$@ test-libbfd.c -DPACKAGE='"perf"' -lbfd -ldl -liberty -lz + +test-cplus-demangle.bin: + $(BUILD) -liberty + +test-backtrace.bin: + $(BUILD) + +test-timerfd.bin: + $(BUILD) + +test-libdw-dwarf-unwind.bin: + $(BUILD) + +-include *.d + +############################### + +clean: + rm -f $(FILES) *.d diff --git a/tools/perf/config/feature-checks/test-all.c b/tools/perf/config/feature-checks/test-all.c new file mode 100644 index 00000000000..fe5c1e5c952 --- /dev/null +++ b/tools/perf/config/feature-checks/test-all.c @@ -0,0 +1,116 @@ +/* + * test-all.c: Try to build all the main testcases at once. + * + * A well-configured system will have all the prereqs installed, so we can speed + * up auto-detection on such systems. + */ + +/* + * Quirk: Python and Perl headers cannot be in arbitrary places, so keep + * these 3 testcases at the top: + */ +#define main main_test_libpython +# include "test-libpython.c" +#undef main + +#define main main_test_libpython_version +# include "test-libpython-version.c" +#undef main + +#define main main_test_libperl +# include "test-libperl.c" +#undef main + +#define main main_test_hello +# include "test-hello.c" +#undef main + +#define main main_test_libelf +# include "test-libelf.c" +#undef main + +#define main main_test_libelf_mmap +# include "test-libelf-mmap.c" +#undef main + +#define main main_test_glibc +# include "test-glibc.c" +#undef main + +#define main main_test_dwarf +# include "test-dwarf.c" +#undef main + +#define main main_test_libelf_getphdrnum +# include "test-libelf-getphdrnum.c" +#undef main + +#define main main_test_libunwind +# include "test-libunwind.c" +#undef main + +#define main main_test_libaudit +# include "test-libaudit.c" +#undef main + +#define main main_test_libslang +# include "test-libslang.c" +#undef main + +#define main main_test_gtk2 +# include "test-gtk2.c" +#undef main + +#define main main_test_gtk2_infobar +# include "test-gtk2-infobar.c" +#undef main + +#define main main_test_libbfd +# include "test-libbfd.c" +#undef main + +#define main main_test_backtrace +# include "test-backtrace.c" +#undef main + +#define main main_test_libnuma +# include "test-libnuma.c" +#undef main + +#define main main_test_timerfd +# include "test-timerfd.c" +#undef main + +#define main main_test_stackprotector_all +# include "test-stackprotector-all.c" +#undef main + +#define main main_test_libdw_dwarf_unwind +# include "test-libdw-dwarf-unwind.c" +#undef main + +int main(int argc, char *argv[]) +{ + main_test_libpython(); + main_test_libpython_version(); + main_test_libperl(); + main_test_hello(); + main_test_libelf(); + main_test_libelf_mmap(); + main_test_glibc(); + main_test_dwarf(); + main_test_libelf_getphdrnum(); + main_test_libunwind(); + main_test_libaudit(); + main_test_libslang(); + main_test_gtk2(argc, argv); + main_test_gtk2_infobar(argc, argv); + main_test_libbfd(); + main_test_backtrace(); + main_test_libnuma(); + main_test_timerfd(); + main_test_stackprotector_all(); + main_test_libdw_dwarf_unwind(); + + return 0; +} diff --git a/tools/perf/config/feature-checks/test-backtrace.c b/tools/perf/config/feature-checks/test-backtrace.c new file mode 100644 index 00000000000..7124aa1dc8f --- /dev/null +++ b/tools/perf/config/feature-checks/test-backtrace.c @@ -0,0 +1,13 @@ +#include <execinfo.h> +#include <stdio.h> + +int main(void) +{ + void *backtrace_fns[10]; + size_t entries; + + entries = backtrace(backtrace_fns, 10); + backtrace_symbols_fd(backtrace_fns, entries, 1); + + return 0; +} diff --git a/tools/perf/config/feature-checks/test-bionic.c b/tools/perf/config/feature-checks/test-bionic.c new file mode 100644 index 00000000000..eac24e9513e --- /dev/null +++ b/tools/perf/config/feature-checks/test-bionic.c @@ -0,0 +1,6 @@ +#include <android/api-level.h> + +int main(void) +{ + return __ANDROID_API__; +} diff --git a/tools/perf/config/feature-checks/test-cplus-demangle.c b/tools/perf/config/feature-checks/test-cplus-demangle.c new file mode 100644 index 00000000000..610c686e000 --- /dev/null +++ b/tools/perf/config/feature-checks/test-cplus-demangle.c @@ -0,0 +1,14 @@ +extern int printf(const char *format, ...); +extern char *cplus_demangle(const char *, int); + +int main(void) +{ + char symbol[4096] = "FieldName__9ClassNameFd"; + char *tmp; + + tmp = cplus_demangle(symbol, 0); + + printf("demangled symbol: {%s}\n", tmp); + + return 0; +} diff --git a/tools/perf/config/feature-checks/test-dwarf.c b/tools/perf/config/feature-checks/test-dwarf.c new file mode 100644 index 00000000000..3fc1801ce4a --- /dev/null +++ b/tools/perf/config/feature-checks/test-dwarf.c @@ -0,0 +1,10 @@ +#include <dwarf.h> +#include <elfutils/libdw.h> +#include <elfutils/version.h> + +int main(void) +{ + Dwarf *dbg = dwarf_begin(0, DWARF_C_READ); + + return (long)dbg; +} diff --git a/tools/perf/config/feature-checks/test-fortify-source.c b/tools/perf/config/feature-checks/test-fortify-source.c new file mode 100644 index 00000000000..c9f398d8786 --- /dev/null +++ b/tools/perf/config/feature-checks/test-fortify-source.c @@ -0,0 +1,6 @@ +#include <stdio.h> + +int main(void) +{ + return puts("hi"); +} diff --git a/tools/perf/config/feature-checks/test-glibc.c b/tools/perf/config/feature-checks/test-glibc.c new file mode 100644 index 00000000000..b0820345cd9 --- /dev/null +++ b/tools/perf/config/feature-checks/test-glibc.c @@ -0,0 +1,8 @@ +#include <gnu/libc-version.h> + +int main(void) +{ + const char *version = gnu_get_libc_version(); + + return (long)version; +} diff --git a/tools/perf/config/feature-checks/test-gtk2-infobar.c b/tools/perf/config/feature-checks/test-gtk2-infobar.c new file mode 100644 index 00000000000..397b4646d06 --- /dev/null +++ b/tools/perf/config/feature-checks/test-gtk2-infobar.c @@ -0,0 +1,11 @@ +#pragma GCC diagnostic ignored "-Wstrict-prototypes" +#include <gtk/gtk.h> +#pragma GCC diagnostic error "-Wstrict-prototypes" + +int main(int argc, char *argv[]) +{ + gtk_init(&argc, &argv); + gtk_info_bar_new(); + + return 0; +} diff --git a/tools/perf/config/feature-checks/test-gtk2.c b/tools/perf/config/feature-checks/test-gtk2.c new file mode 100644 index 00000000000..6bd80e50943 --- /dev/null +++ b/tools/perf/config/feature-checks/test-gtk2.c @@ -0,0 +1,10 @@ +#pragma GCC diagnostic ignored "-Wstrict-prototypes" +#include <gtk/gtk.h> +#pragma GCC diagnostic error "-Wstrict-prototypes" + +int main(int argc, char *argv[]) +{ + gtk_init(&argc, &argv); + + return 0; +} diff --git a/tools/perf/config/feature-checks/test-hello.c b/tools/perf/config/feature-checks/test-hello.c new file mode 100644 index 00000000000..c9f398d8786 --- /dev/null +++ b/tools/perf/config/feature-checks/test-hello.c @@ -0,0 +1,6 @@ +#include <stdio.h> + +int main(void) +{ + return puts("hi"); +} diff --git a/tools/perf/config/feature-checks/test-libaudit.c b/tools/perf/config/feature-checks/test-libaudit.c new file mode 100644 index 00000000000..afc019f0864 --- /dev/null +++ b/tools/perf/config/feature-checks/test-libaudit.c @@ -0,0 +1,10 @@ +#include <libaudit.h> + +extern int printf(const char *format, ...); + +int main(void) +{ + printf("error message: %s\n", audit_errno_to_name(0)); + + return audit_open(); +} diff --git a/tools/perf/config/feature-checks/test-libbfd.c b/tools/perf/config/feature-checks/test-libbfd.c new file mode 100644 index 00000000000..24059907e99 --- /dev/null +++ b/tools/perf/config/feature-checks/test-libbfd.c @@ -0,0 +1,15 @@ +#include <bfd.h> + +extern int printf(const char *format, ...); + +int main(void) +{ + char symbol[4096] = "FieldName__9ClassNameFd"; + char *tmp; + + tmp = bfd_demangle(0, symbol, 0); + + printf("demangled symbol: {%s}\n", tmp); + + return 0; +} diff --git a/tools/perf/config/feature-checks/test-libdw-dwarf-unwind.c b/tools/perf/config/feature-checks/test-libdw-dwarf-unwind.c new file mode 100644 index 00000000000..f676a3ff442 --- /dev/null +++ b/tools/perf/config/feature-checks/test-libdw-dwarf-unwind.c @@ -0,0 +1,13 @@ + +#include <elfutils/libdwfl.h> + +int main(void) +{ + /* + * This function is guarded via: __nonnull_attribute__ (1, 2). + * Passing '1' as arguments value. This code is never executed, + * only compiled. + */ + dwfl_thread_getframes((void *) 1, (void *) 1, NULL); + return 0; +} diff --git a/tools/perf/config/feature-checks/test-libelf-getphdrnum.c b/tools/perf/config/feature-checks/test-libelf-getphdrnum.c new file mode 100644 index 00000000000..d710459306c --- /dev/null +++ b/tools/perf/config/feature-checks/test-libelf-getphdrnum.c @@ -0,0 +1,8 @@ +#include <libelf.h> + +int main(void) +{ + size_t dst; + + return elf_getphdrnum(0, &dst); +} diff --git a/tools/perf/config/feature-checks/test-libelf-mmap.c b/tools/perf/config/feature-checks/test-libelf-mmap.c new file mode 100644 index 00000000000..564427d7ef1 --- /dev/null +++ b/tools/perf/config/feature-checks/test-libelf-mmap.c @@ -0,0 +1,8 @@ +#include <libelf.h> + +int main(void) +{ + Elf *elf = elf_begin(0, ELF_C_READ_MMAP, 0); + + return (long)elf; +} diff --git a/tools/perf/config/feature-checks/test-libelf.c b/tools/perf/config/feature-checks/test-libelf.c new file mode 100644 index 00000000000..08db322d895 --- /dev/null +++ b/tools/perf/config/feature-checks/test-libelf.c @@ -0,0 +1,8 @@ +#include <libelf.h> + +int main(void) +{ + Elf *elf = elf_begin(0, ELF_C_READ, 0); + + return (long)elf; +} diff --git a/tools/perf/config/feature-checks/test-libnuma.c b/tools/perf/config/feature-checks/test-libnuma.c new file mode 100644 index 00000000000..4763d9cd587 --- /dev/null +++ b/tools/perf/config/feature-checks/test-libnuma.c @@ -0,0 +1,9 @@ +#include <numa.h> +#include <numaif.h> + +int main(void) +{ + numa_available(); + + return 0; +} diff --git a/tools/perf/config/feature-checks/test-libperl.c b/tools/perf/config/feature-checks/test-libperl.c new file mode 100644 index 00000000000..8871f6a0fdb --- /dev/null +++ b/tools/perf/config/feature-checks/test-libperl.c @@ -0,0 +1,9 @@ +#include <EXTERN.h> +#include <perl.h> + +int main(void) +{ + perl_alloc(); + + return 0; +} diff --git a/tools/perf/config/feature-checks/test-libpython-version.c b/tools/perf/config/feature-checks/test-libpython-version.c new file mode 100644 index 00000000000..facea122d81 --- /dev/null +++ b/tools/perf/config/feature-checks/test-libpython-version.c @@ -0,0 +1,10 @@ +#include <Python.h> + +#if PY_VERSION_HEX >= 0x03000000 + #error +#endif + +int main(void) +{ + return 0; +} diff --git a/tools/perf/config/feature-checks/test-libpython.c b/tools/perf/config/feature-checks/test-libpython.c new file mode 100644 index 00000000000..b24b28ad632 --- /dev/null +++ b/tools/perf/config/feature-checks/test-libpython.c @@ -0,0 +1,8 @@ +#include <Python.h> + +int main(void) +{ + Py_Initialize(); + + return 0; +} diff --git a/tools/perf/config/feature-checks/test-libslang.c b/tools/perf/config/feature-checks/test-libslang.c new file mode 100644 index 00000000000..22ff22ed94d --- /dev/null +++ b/tools/perf/config/feature-checks/test-libslang.c @@ -0,0 +1,6 @@ +#include <slang.h> + +int main(void) +{ + return SLsmg_init_smg(); +} diff --git a/tools/perf/config/feature-checks/test-libunwind-debug-frame.c b/tools/perf/config/feature-checks/test-libunwind-debug-frame.c new file mode 100644 index 00000000000..0ef8087a104 --- /dev/null +++ b/tools/perf/config/feature-checks/test-libunwind-debug-frame.c @@ -0,0 +1,16 @@ +#include <libunwind.h> +#include <stdlib.h> + +extern int +UNW_OBJ(dwarf_find_debug_frame) (int found, unw_dyn_info_t *di_debug, + unw_word_t ip, unw_word_t segbase, + const char *obj_name, unw_word_t start, + unw_word_t end); + +#define dwarf_find_debug_frame UNW_OBJ(dwarf_find_debug_frame) + +int main(void) +{ + dwarf_find_debug_frame(0, NULL, 0, 0, NULL, 0, 0); + return 0; +} diff --git a/tools/perf/config/feature-checks/test-libunwind.c b/tools/perf/config/feature-checks/test-libunwind.c new file mode 100644 index 00000000000..43b9369bcab --- /dev/null +++ b/tools/perf/config/feature-checks/test-libunwind.c @@ -0,0 +1,27 @@ +#include <libunwind.h> +#include <stdlib.h> + +extern int UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as, + unw_word_t ip, + unw_dyn_info_t *di, + unw_proc_info_t *pi, + int need_unwind_info, void *arg); + + +#define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table) + +static unw_accessors_t accessors; + +int main(void) +{ + unw_addr_space_t addr_space; + + addr_space = unw_create_addr_space(&accessors, 0); + if (addr_space) + return 0; + + unw_init_remote(NULL, addr_space, NULL); + dwarf_search_unwind_table(addr_space, 0, NULL, NULL, 0, NULL); + + return 0; +} diff --git a/tools/perf/config/feature-checks/test-stackprotector-all.c b/tools/perf/config/feature-checks/test-stackprotector-all.c new file mode 100644 index 00000000000..c9f398d8786 --- /dev/null +++ b/tools/perf/config/feature-checks/test-stackprotector-all.c @@ -0,0 +1,6 @@ +#include <stdio.h> + +int main(void) +{ + return puts("hi"); +} diff --git a/tools/perf/config/feature-checks/test-timerfd.c b/tools/perf/config/feature-checks/test-timerfd.c new file mode 100644 index 00000000000..8c5c083b4d3 --- /dev/null +++ b/tools/perf/config/feature-checks/test-timerfd.c @@ -0,0 +1,18 @@ +/* + * test for timerfd functions used by perf-kvm-stat-live + */ +#include <sys/timerfd.h> + +int main(void) +{ + struct itimerspec new_value; + + int fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK); + if (fd < 0) + return 1; + + if (timerfd_settime(fd, 0, &new_value, NULL) != 0) + return 1; + + return 0; +} diff --git a/tools/perf/config/feature-tests.mak b/tools/perf/config/feature-tests.mak deleted file mode 100644 index 6170fd2531b..00000000000 --- a/tools/perf/config/feature-tests.mak +++ /dev/null @@ -1,128 +0,0 @@ -define SOURCE_HELLO -#include <stdio.h> -int main(void) -{ - return puts(\"hi\"); -} -endef - -ifndef NO_DWARF -define SOURCE_DWARF -#include <dwarf.h> -#include <elfutils/libdw.h> -#include <elfutils/version.h> -#ifndef _ELFUTILS_PREREQ -#error -#endif - -int main(void) -{ - Dwarf *dbg = dwarf_begin(0, DWARF_C_READ); - return (long)dbg; -} -endef -endif - -define SOURCE_LIBELF -#include <libelf.h> - -int main(void) -{ - Elf *elf = elf_begin(0, ELF_C_READ, 0); - return (long)elf; -} -endef - -define SOURCE_GLIBC -#include <gnu/libc-version.h> - -int main(void) -{ - const char *version = gnu_get_libc_version(); - return (long)version; -} -endef - -define SOURCE_ELF_MMAP -#include <libelf.h> -int main(void) -{ - Elf *elf = elf_begin(0, ELF_C_READ_MMAP, 0); - return (long)elf; -} -endef - -ifndef NO_NEWT -define SOURCE_NEWT -#include <newt.h> - -int main(void) -{ - newtInit(); - newtCls(); - return newtFinished(); -} -endef -endif - -ifndef NO_LIBPERL -define SOURCE_PERL_EMBED -#include <EXTERN.h> -#include <perl.h> - -int main(void) -{ -perl_alloc(); -return 0; -} -endef -endif - -ifndef NO_LIBPYTHON -define SOURCE_PYTHON_VERSION -#include <Python.h> -#if PY_VERSION_HEX >= 0x03000000 - #error -#endif -int main(void){} -endef -define SOURCE_PYTHON_EMBED -#include <Python.h> -int main(void) -{ - Py_Initialize(); - return 0; -} -endef -endif - -define SOURCE_BFD -#include <bfd.h> - -int main(void) -{ - bfd_demangle(0, 0, 0); - return 0; -} -endef - -define SOURCE_CPLUS_DEMANGLE -extern char *cplus_demangle(const char *, int); - -int main(void) -{ - cplus_demangle(0, 0); - return 0; -} -endef - -define SOURCE_STRLCPY -#include <stdlib.h> -extern size_t strlcpy(char *dest, const char *src, size_t size); - -int main(void) -{ - strlcpy(NULL, NULL, 0); - return 0; -} -endef diff --git a/tools/perf/config/utilities.mak b/tools/perf/config/utilities.mak index 8046182a19e..4d985e0f03f 100644 --- a/tools/perf/config/utilities.mak +++ b/tools/perf/config/utilities.mak @@ -13,7 +13,7 @@ newline := $(newline) # what should replace a newline when escaping # newlines; the default is a bizarre string. # -nl-escape = $(or $(1),m822df3020w6a44id34bt574ctac44eb9f4n) +nl-escape = $(if $(1),$(1),m822df3020w6a44id34bt574ctac44eb9f4n) # escape-nl # @@ -175,14 +175,6 @@ _ge-abspath = $(if $(is-executable),$(1)) define get-executable-or-default $(if $($(1)),$(call _ge_attempt,$($(1)),$(1)),$(call _ge_attempt,$(2))) endef -_ge_attempt = $(or $(get-executable),$(_gea_warn),$(call _gea_err,$(2))) +_ge_attempt = $(if $(get-executable),$(get-executable),$(_gea_warn)$(call _gea_err,$(2))) _gea_warn = $(warning The path '$(1)' is not executable.) _gea_err = $(if $(1),$(error Please set '$(1)' appropriately)) - -# try-cc -# Usage: option = $(call try-cc, source-to-build, cc-options) -try-cc = $(shell sh -c \ - 'TMP="$(OUTPUT)$(TMPOUT).$$$$"; \ - echo "$(1)" | \ - $(CC) -x c - $(2) -o "$$TMP" > /dev/null 2>&1 && echo y; \ - rm -f "$$TMP"') |