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# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
OUTPUT := .output
CLANG ?= clang
LLVM_STRIP ?= llvm-strip
BPFTOOL ?= bin/bpftool
LIBBPF_SRC := $(abspath ../src/cc/libbpf/src)
LIBBPF_OBJ := $(abspath $(OUTPUT)/libbpf.a)
INCLUDES := -I$(OUTPUT) -I../src/cc/libbpf/include/uapi
CFLAGS := -g -O2 -Wall
INSTALL ?= install
prefix ?= /usr/local
ARCH := $(shell uname -m | sed 's/x86_64/x86/' | sed 's/aarch64/arm64/' | sed 's/ppc64le/powerpc/' | sed 's/mips.*/mips/')
ifeq ($(wildcard $(ARCH)/),)
$(error Architecture $(ARCH) is not supported yet. Please open an issue)
endif
APPS = \
bashreadline \
bindsnoop \
biolatency \
biopattern \
biosnoop \
biostacks \
bitesize \
cachestat \
cpudist \
cpufreq \
drsnoop \
execsnoop \
exitsnoop \
filelife \
filetop \
fsdist \
fsslower \
funclatency \
gethostlatency \
hardirqs \
klockstat \
ksnoop \
llcstat \
mountsnoop \
numamove \
offcputime \
opensnoop \
readahead \
runqlat \
runqlen \
runqslower \
softirqs \
solisten \
statsnoop \
syscount \
tcpconnect \
tcpconnlat \
tcprtt \
vfsstat \
#
FSDIST_ALIASES = btrfsdist ext4dist nfsdist xfsdist
FSSLOWER_ALIASES = btrfsslower ext4slower nfsslower xfsslower
APP_ALIASES = $(FSDIST_ALIASES) $(FSSLOWER_ALIASES)
COMMON_OBJ = \
$(OUTPUT)/trace_helpers.o \
$(OUTPUT)/syscall_helpers.o \
$(OUTPUT)/errno_helpers.o \
$(OUTPUT)/map_helpers.o \
$(OUTPUT)/uprobe_helpers.o \
#
.PHONY: all
all: $(APPS) $(APP_ALIASES)
ifeq ($(V),1)
Q =
msg =
else
Q = @
msg = @printf ' %-8s %s%s\n' "$(1)" "$(notdir $(2))" "$(if $(3), $(3))";
MAKEFLAGS += --no-print-directory
endif
.PHONY: clean
clean:
$(call msg,CLEAN)
$(Q)rm -rf $(OUTPUT) $(APPS) $(APP_ALIASES)
$(OUTPUT) $(OUTPUT)/libbpf:
$(call msg,MKDIR,$@)
$(Q)mkdir -p $@
$(APPS): %: $(OUTPUT)/%.o $(LIBBPF_OBJ) $(COMMON_OBJ) | $(OUTPUT)
$(call msg,BINARY,$@)
$(Q)$(CC) $(CFLAGS) $^ $(LDFLAGS) -lelf -lz -o $@
$(patsubst %,$(OUTPUT)/%.o,$(APPS)): %.o: %.skel.h
$(OUTPUT)/%.o: %.c $(wildcard %.h) $(LIBBPF_OBJ) | $(OUTPUT)
$(call msg,CC,$@)
$(Q)$(CC) $(CFLAGS) $(INCLUDES) -c $(filter %.c,$^) -o $@
$(OUTPUT)/%.skel.h: $(OUTPUT)/%.bpf.o | $(OUTPUT)
$(call msg,GEN-SKEL,$@)
$(Q)$(BPFTOOL) gen skeleton $< > $@
$(OUTPUT)/%.bpf.o: %.bpf.c $(LIBBPF_OBJ) $(wildcard %.h) $(ARCH)/vmlinux.h | $(OUTPUT)
$(call msg,BPF,$@)
$(Q)$(CLANG) $(CFLAGS) -target bpf -D__TARGET_ARCH_$(ARCH) \
-I$(ARCH)/ $(INCLUDES) -c $(filter %.c,$^) -o $@ && \
$(LLVM_STRIP) -g $@
# Build libbpf.a
$(LIBBPF_OBJ): $(wildcard $(LIBBPF_SRC)/*.[ch]) | $(OUTPUT)/libbpf
$(call msg,LIB,$@)
$(Q)$(MAKE) -C $(LIBBPF_SRC) BUILD_STATIC_ONLY=1 \
OBJDIR=$(dir $@)/libbpf DESTDIR=$(dir $@) \
INCLUDEDIR= LIBDIR= UAPIDIR= \
install
$(FSSLOWER_ALIASES): fsslower
$(call msg,SYMLINK,$@)
$(Q)ln -f -s $^ $@
$(FSDIST_ALIASES): fsdist
$(call msg,SYMLINK,$@)
$(Q)ln -f -s $^ $@
install: $(APPS) $(APP_ALIASES)
$(call msg, INSTALL libbpf-tools)
$(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/bin
$(Q)$(INSTALL) $(APPS) $(DESTDIR)$(prefix)/bin
$(Q)cp -a $(APP_ALIASES) $(DESTDIR)$(prefix)/bin
# delete failed targets
.DELETE_ON_ERROR:
# keep intermediate (.skel.h, .bpf.o, etc) targets
.SECONDARY:
|
