summaryrefslogtreecommitdiff
path: root/tools/perf/check-headers.sh
blob: 66ba33dbcef22b238dd874e0494760af59a20a06 (plain)
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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0

YELLOW='\033[0;33m'
NC='\033[0m' # No Color

declare -a FILES
FILES=(
  "include/uapi/linux/const.h"
  "include/uapi/drm/drm.h"
  "include/uapi/drm/i915_drm.h"
  "include/uapi/linux/fadvise.h"
  "include/uapi/linux/fcntl.h"
  "include/uapi/linux/fs.h"
  "include/uapi/linux/fscrypt.h"
  "include/uapi/linux/kcmp.h"
  "include/uapi/linux/kvm.h"
  "include/uapi/linux/in.h"
  "include/uapi/linux/mount.h"
  "include/uapi/linux/openat2.h"
  "include/uapi/linux/perf_event.h"
  "include/uapi/linux/prctl.h"
  "include/uapi/linux/sched.h"
  "include/uapi/linux/seccomp.h"
  "include/uapi/linux/stat.h"
  "include/uapi/linux/usbdevice_fs.h"
  "include/uapi/linux/vhost.h"
  "include/uapi/sound/asound.h"
  "include/linux/bits.h"
  "include/vdso/bits.h"
  "include/linux/const.h"
  "include/vdso/const.h"
  "include/linux/hash.h"
  "include/linux/list-sort.h"
  "include/uapi/linux/hw_breakpoint.h"
  "arch/x86/include/asm/disabled-features.h"
  "arch/x86/include/asm/required-features.h"
  "arch/x86/include/asm/cpufeatures.h"
  "arch/x86/include/asm/inat_types.h"
  "arch/x86/include/asm/emulate_prefix.h"
  "arch/x86/include/asm/irq_vectors.h"
  "arch/x86/include/asm/msr-index.h"
  "arch/x86/include/uapi/asm/prctl.h"
  "arch/x86/lib/x86-opcode-map.txt"
  "arch/x86/tools/gen-insn-attr-x86.awk"
  "arch/arm/include/uapi/asm/perf_regs.h"
  "arch/arm64/include/uapi/asm/perf_regs.h"
  "arch/loongarch/include/uapi/asm/perf_regs.h"
  "arch/mips/include/uapi/asm/perf_regs.h"
  "arch/powerpc/include/uapi/asm/perf_regs.h"
  "arch/s390/include/uapi/asm/perf_regs.h"
  "arch/x86/include/uapi/asm/perf_regs.h"
  "arch/x86/include/uapi/asm/kvm.h"
  "arch/x86/include/uapi/asm/kvm_perf.h"
  "arch/x86/include/uapi/asm/svm.h"
  "arch/x86/include/uapi/asm/unistd.h"
  "arch/x86/include/uapi/asm/vmx.h"
  "arch/powerpc/include/uapi/asm/kvm.h"
  "arch/s390/include/uapi/asm/kvm.h"
  "arch/s390/include/uapi/asm/kvm_perf.h"
  "arch/s390/include/uapi/asm/sie.h"
  "arch/arm/include/uapi/asm/kvm.h"
  "arch/arm64/include/uapi/asm/kvm.h"
  "arch/arm64/include/uapi/asm/unistd.h"
  "arch/alpha/include/uapi/asm/errno.h"
  "arch/mips/include/asm/errno.h"
  "arch/mips/include/uapi/asm/errno.h"
  "arch/parisc/include/uapi/asm/errno.h"
  "arch/powerpc/include/uapi/asm/errno.h"
  "arch/sparc/include/uapi/asm/errno.h"
  "arch/x86/include/uapi/asm/errno.h"
  "include/asm-generic/bitops/arch_hweight.h"
  "include/asm-generic/bitops/const_hweight.h"
  "include/asm-generic/bitops/__fls.h"
  "include/asm-generic/bitops/fls.h"
  "include/asm-generic/bitops/fls64.h"
  "include/linux/coresight-pmu.h"
  "include/uapi/asm-generic/errno.h"
  "include/uapi/asm-generic/errno-base.h"
  "include/uapi/asm-generic/ioctls.h"
  "include/uapi/asm-generic/mman-common.h"
  "include/uapi/asm-generic/unistd.h"
)

declare -a SYNC_CHECK_FILES
SYNC_CHECK_FILES=(
  "arch/x86/include/asm/inat.h"
  "arch/x86/include/asm/insn.h"
  "arch/x86/lib/inat.c"
  "arch/x86/lib/insn.c"
)

# These copies are under tools/perf/trace/beauty/ as they are not used to in
# building object files only by scripts in tools/perf/trace/beauty/ to generate
# tables that then gets included in .c files for things like id->string syscall
# tables (and the reverse lookup as well: string -> id)

declare -a BEAUTY_FILES
BEAUTY_FILES=(
  "include/linux/socket.h"
)

declare -a FAILURES

check_2 () {
  tools_file=$1
  orig_file=$2

  shift
  shift

  cmd="diff $* $tools_file $orig_file > /dev/null"

  if [ -f "$orig_file" ] && ! eval "$cmd"
  then
    FAILURES+=(
      "$tools_file $orig_file"
    )
  fi
}

check () {
  file=$1

  shift

  check_2 "tools/$file" "$file" "$@"
}

beauty_check () {
  file=$1

  shift

  check_2 "tools/perf/trace/beauty/$file" "$file" "$@"
}

# Check if we have the kernel headers (tools/perf/../../include), else
# we're probably on a detached tarball, so no point in trying to check
# differences.
if ! [ -d ../../include ]
then
  echo -e "${YELLOW}Warning${NC}: Skipped check-headers due to missing ../../include"
  exit 0
fi

cd ../..

# simple diff check
for i in "${FILES[@]}"
do
  check "$i" -B
done

for i in "${SYNC_CHECK_FILES[@]}"
do
  check "$i" '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"'
done

# diff with extra ignore lines
check arch/x86/lib/memcpy_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memcpy_\(erms\|orig\))" -I"^#include <linux/cfi_types.h>"'
check arch/x86/lib/memset_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"'
check arch/x86/include/asm/amd-ibs.h  '-I "^#include [<\"]\(asm/\)*msr-index.h"'
check arch/arm64/include/asm/cputype.h '-I "^#include [<\"]\(asm/\)*sysreg.h"'
check include/asm-generic/unaligned.h '-I "^#include <linux/unaligned/packed_struct.h>" -I "^#include <asm/byteorder.h>" -I "^#pragma GCC diagnostic"'
check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"'
check include/uapi/linux/mman.h       '-I "^#include <\(uapi/\)*asm/mman.h>"'
check include/linux/build_bug.h       '-I "^#\(ifndef\|endif\)\( \/\/\)* static_assert$"'
check include/linux/ctype.h	      '-I "isdigit("'
check lib/ctype.c		      '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B'
check lib/list_sort.c		      '-I "^#include <linux/bug.h>"'

# diff non-symmetric files
check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
check_2 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl
check_2 tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
check_2 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl

for i in "${BEAUTY_FILES[@]}"
do
  beauty_check "$i" -B
done

# check duplicated library files
check_2 tools/perf/util/hashmap.h tools/lib/bpf/hashmap.h
check_2 tools/perf/util/hashmap.c tools/lib/bpf/hashmap.c

cd tools/perf || exit

if [ ${#FAILURES[@]} -gt 0 ]
then
  echo -e "${YELLOW}Warning${NC}: Kernel ABI header differences:"
  for i in "${FAILURES[@]}"
  do
    echo "  diff -u $i"
  done
fi