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- ################################################################################
- #
- # perf
- #
- ################################################################################
- LINUX_TOOLS += perf
- PERF_DEPENDENCIES = host-flex host-bison
- ifeq ($(KERNEL_ARCH),x86_64)
- PERF_ARCH=x86
- else
- PERF_ARCH=$(KERNEL_ARCH)
- endif
- PERF_MAKE_FLAGS = \
- $(LINUX_MAKE_FLAGS) \
- JOBS=$(PARALLEL_JOBS) \
- ARCH=$(PERF_ARCH) \
- DESTDIR=$(TARGET_DIR) \
- prefix=/usr \
- WERROR=0 \
- NO_LIBAUDIT=1 \
- NO_GTK2=1 \
- NO_LIBPERL=1 \
- NO_LIBPYTHON=1 \
- NO_LIBBIONIC=1
- # We need to pass an argument to ld for setting the emulation when
- # building for MIPS architecture, otherwise the default one will always
- # be used and the compilation for most variants will fail.
- ifeq ($(BR2_mips),y)
- PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf32btsmip"
- else ifeq ($(BR2_mipsel),y)
- PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf32ltsmip"
- else ifeq ($(BR2_mips64),y)
- ifeq ($(BR2_MIPS_NABI32),y)
- PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf32btsmipn32"
- else
- PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf64btsmip"
- endif
- else ifeq ($(BR2_mips64el),y)
- ifeq ($(BR2_MIPS_NABI32),y)
- PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf32ltsmipn32"
- else
- PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf64ltsmip"
- endif
- endif
- # The call to backtrace() function fails for ARC, because for some
- # reason the unwinder from libgcc returns early. Thus the usage of
- # backtrace() should be disabled in perf explicitly: at build time
- # backtrace() appears to be available, but it fails at runtime: the
- # backtrace will contain only several functions from the top of stack,
- # instead of the complete backtrace.
- ifeq ($(BR2_arc),y)
- PERF_MAKE_FLAGS += NO_BACKTRACE=1
- endif
- ifeq ($(BR2_PACKAGE_LINUX_TOOLS_PERF_TUI),y)
- PERF_DEPENDENCIES += slang
- else
- PERF_MAKE_FLAGS += NO_NEWT=1 NO_SLANG=1
- endif
- ifeq ($(BR2_PACKAGE_LIBUNWIND),y)
- PERF_DEPENDENCIES += libunwind
- else
- PERF_MAKE_FLAGS += NO_LIBUNWIND=1
- endif
- ifeq ($(BR2_PACKAGE_NUMACTL),y)
- PERF_DEPENDENCIES += numactl
- else
- PERF_MAKE_FLAGS += NO_LIBNUMA=1
- endif
- ifeq ($(BR2_PACKAGE_ELFUTILS),y)
- PERF_DEPENDENCIES += elfutils
- else
- PERF_MAKE_FLAGS += NO_LIBELF=1 NO_DWARF=1
- endif
- ifeq ($(BR2_PACKAGE_BINUTILS),y)
- PERF_DEPENDENCIES += binutils
- else
- PERF_MAKE_FLAGS += NO_DEMANGLE=1
- endif
- ifeq ($(BR2_PACKAGE_OPENSSL),y)
- PERF_DEPENDENCIES += openssl
- else
- PERF_MAKE_FLAGS += NO_LIBCRYPTO=1
- endif
- ifeq ($(BR2_PACKAGE_ZLIB),y)
- PERF_DEPENDENCIES += zlib
- else
- PERF_MAKE_FLAGS += NO_ZLIB=1
- endif
- # lzma is provided by xz
- ifeq ($(BR2_PACKAGE_XZ),y)
- PERF_DEPENDENCIES += xz
- else
- PERF_MAKE_FLAGS += NO_LZMA=1
- endif
- # We really do not want to build the perf documentation, because it
- # has stringent requirement on the documentation generation tools,
- # like xmlto and asciidoc), which may be lagging behind on some
- # distributions.
- # We name it 'GNUmakefile' so that GNU make will use it instead of
- # the existing 'Makefile'.
- define PERF_DISABLE_DOCUMENTATION
- if [ -f $(LINUX_DIR)/tools/perf/Documentation/Makefile ]; then \
- printf "%%:\n\t@:\n" >$(LINUX_DIR)/tools/perf/Documentation/GNUmakefile; \
- fi
- endef
- LINUX_POST_PATCH_HOOKS += PERF_DISABLE_DOCUMENTATION
- # O must be redefined here to overwrite the one used by Buildroot for
- # out of tree build. We build perf in $(LINUX_DIR)/tools/perf/ and not just
- # $(LINUX_DIR) so that it isn't built in the root directory of the kernel
- # sources.
- define PERF_BUILD_CMDS
- $(Q)if test ! -f $(LINUX_DIR)/tools/perf/Makefile ; then \
- echo "Your kernel version is too old and does not have the perf tool." ; \
- echo "At least kernel 2.6.31 must be used." ; \
- exit 1 ; \
- fi
- $(Q)if test "$(BR2_PACKAGE_ELFUTILS)" = "" ; then \
- if ! grep -q NO_LIBELF $(LINUX_DIR)/tools/perf/Makefile* ; then \
- if ! test -r $(LINUX_DIR)/tools/perf/config/Makefile ; then \
- echo "The perf tool in your kernel cannot be built without libelf." ; \
- echo "Either upgrade your kernel to >= 3.7, or enable the elfutils package." ; \
- exit 1 ; \
- fi \
- fi \
- fi
- $(Q)if test "$(BR2_PACKAGE_LINUX_TOOLS_PERF_TUI)" = "y" ; then \
- if ! grep -q NO_SLANG $(LINUX_DIR)/tools/perf/Makefile* ; then \
- echo "The perf tool in your kernel cannot be build with the TUI." ; \
- echo "Either upgrade your kernel to >= 3.10, or disable the TUI." ; \
- exit 1 ; \
- fi \
- fi
- $(TARGET_MAKE_ENV) $(MAKE1) $(PERF_MAKE_FLAGS) \
- -C $(LINUX_DIR)/tools/perf O=$(LINUX_DIR)/tools/perf/
- endef
- # After installation, we remove the Perl and Python scripts from the
- # target.
- define PERF_INSTALL_TARGET_CMDS
- $(TARGET_MAKE_ENV) $(MAKE1) $(PERF_MAKE_FLAGS) \
- -C $(LINUX_DIR)/tools/perf O=$(LINUX_DIR)/tools/perf/ install
- $(RM) -rf $(TARGET_DIR)/usr/libexec/perf-core/scripts/
- $(RM) -rf $(TARGET_DIR)/usr/libexec/perf-core/tests/
- endef
- define PERF_LINUX_CONFIG_FIXUPS
- $(call KCONFIG_ENABLE_OPT,CONFIG_PERF_EVENTS)
- endef
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