1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
# 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)
CFLAGS := -g -O2 -Wall
ARCH := $(shell uname -m | sed 's/x86_64/x86/')
APPS = \
biolatency \
biopattern \
biosnoop \
biostacks \
bitesize \
cpudist \
drsnoop \
execsnoop \
filelife \
hardirqs \
llcstat \
numamove \
opensnoop \
readahead \
runqlat \
runqlen \
runqslower \
softirqs \
syscount \
tcpconnect \
tcpconnlat \
vfsstat \
xfsslower \
#
COMMON_OBJ = \
$(OUTPUT)/trace_helpers.o \
$(OUTPUT)/syscall_helpers.o \
$(OUTPUT)/errno_helpers.o \
$(OUTPUT)/map_helpers.o \
#
.PHONY: all
all: $(APPS)
ifeq ($(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)
$(OUTPUT) $(OUTPUT)/libbpf:
$(call msg,MKDIR,$@)
$(Q)mkdir -p $@
$(APPS): %: $(OUTPUT)/%.o $(LIBBPF_OBJ) $(COMMON_OBJ) | $(OUTPUT)
$(call msg,BINARY,$@)
$(Q)$(CC) $(CFLAGS) $^ -lelf -lz -o $@
$(patsubst %,$(OUTPUT)/%.o,$(APPS)): %.o: %.skel.h
$(OUTPUT)/%.o: %.c $(wildcard %.h) | $(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) vmlinux.h | $(OUTPUT)
$(call msg,BPF,$@)
$(Q)$(CLANG) -g -O2 -target bpf -D__TARGET_ARCH_$(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
# delete failed targets
.DELETE_ON_ERROR:
# keep intermediate (.skel.h, .bpf.o, etc) targets
.SECONDARY:
|
