tools/perf/check-headers.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 YELLOW='\033[0;33m'
   5 NC='\033[0m' # No Color
   6
   7 declare -a FILES
   8 FILES=(
   9   "include/uapi/linux/const.h"
  10   "include/uapi/drm/drm.h"
  11   "include/uapi/drm/i915_drm.h"
  12   "include/uapi/linux/fadvise.h"
  13   "include/uapi/linux/fcntl.h"
  14   "include/uapi/linux/fs.h"
  15   "include/uapi/linux/fscrypt.h"
  16   "include/uapi/linux/kcmp.h"
  17   "include/uapi/linux/kvm.h"
  18   "include/uapi/linux/in.h"
  19   "include/uapi/linux/mount.h"
  20   "include/uapi/linux/openat2.h"
  21   "include/uapi/linux/perf_event.h"
  22   "include/uapi/linux/prctl.h"
  23   "include/uapi/linux/sched.h"
  24   "include/uapi/linux/stat.h"
  25   "include/uapi/linux/usbdevice_fs.h"
  26   "include/uapi/linux/vhost.h"
  27   "include/uapi/sound/asound.h"
  28   "include/linux/bits.h"
  29   "include/vdso/bits.h"
  30   "include/linux/const.h"
  31   "include/vdso/const.h"
  32   "include/linux/hash.h"
  33   "include/linux/list-sort.h"
  34   "include/uapi/linux/hw_breakpoint.h"
  35   "arch/x86/include/asm/disabled-features.h"
  36   "arch/x86/include/asm/required-features.h"
  37   "arch/x86/include/asm/cpufeatures.h"
  38   "arch/x86/include/asm/inat_types.h"
  39   "arch/x86/include/asm/emulate_prefix.h"
  40   "arch/x86/include/asm/irq_vectors.h"
  41   "arch/x86/include/asm/msr-index.h"
  42   "arch/x86/include/uapi/asm/prctl.h"
  43   "arch/x86/lib/x86-opcode-map.txt"
  44   "arch/x86/tools/gen-insn-attr-x86.awk"
  45   "arch/arm/include/uapi/asm/perf_regs.h"
  46   "arch/arm64/include/uapi/asm/perf_regs.h"
  47   "arch/loongarch/include/uapi/asm/perf_regs.h"
  48   "arch/mips/include/uapi/asm/perf_regs.h"
  49   "arch/powerpc/include/uapi/asm/perf_regs.h"
  50   "arch/s390/include/uapi/asm/perf_regs.h"
  51   "arch/x86/include/uapi/asm/perf_regs.h"
  52   "arch/x86/include/uapi/asm/kvm.h"
  53   "arch/x86/include/uapi/asm/kvm_perf.h"
  54   "arch/x86/include/uapi/asm/svm.h"
  55   "arch/x86/include/uapi/asm/unistd.h"
  56   "arch/x86/include/uapi/asm/vmx.h"
  57   "arch/powerpc/include/uapi/asm/kvm.h"
  58   "arch/s390/include/uapi/asm/kvm.h"
  59   "arch/s390/include/uapi/asm/kvm_perf.h"
  60   "arch/s390/include/uapi/asm/sie.h"
  61   "arch/arm/include/uapi/asm/kvm.h"
  62   "arch/arm64/include/uapi/asm/kvm.h"
  63   "arch/arm64/include/uapi/asm/unistd.h"
  64   "arch/alpha/include/uapi/asm/errno.h"
  65   "arch/mips/include/asm/errno.h"
  66   "arch/mips/include/uapi/asm/errno.h"
  67   "arch/parisc/include/uapi/asm/errno.h"
  68   "arch/powerpc/include/uapi/asm/errno.h"
  69   "arch/sparc/include/uapi/asm/errno.h"
  70   "arch/x86/include/uapi/asm/errno.h"
  71   "include/asm-generic/bitops/arch_hweight.h"
  72   "include/asm-generic/bitops/const_hweight.h"
  73   "include/asm-generic/bitops/__fls.h"
  74   "include/asm-generic/bitops/fls.h"
  75   "include/asm-generic/bitops/fls64.h"
  76   "include/linux/coresight-pmu.h"
  77   "include/uapi/asm-generic/errno.h"
  78   "include/uapi/asm-generic/errno-base.h"
  79   "include/uapi/asm-generic/ioctls.h"
  80   "include/uapi/asm-generic/mman-common.h"
  81   "include/uapi/asm-generic/unistd.h"
  82 )
  83
  84 declare -a SYNC_CHECK_FILES
  85 SYNC_CHECK_FILES=(
  86   "arch/x86/include/asm/inat.h"
  87   "arch/x86/include/asm/insn.h"
  88   "arch/x86/lib/inat.c"
  89   "arch/x86/lib/insn.c"
  90 )
  91
  92 # These copies are under tools/perf/trace/beauty/ as they are not used to in
  93 # building object files only by scripts in tools/perf/trace/beauty/ to generate
  94 # tables that then gets included in .c files for things like id->string syscall
  95 # tables (and the reverse lookup as well: string -> id)
  96
  97 declare -a BEAUTY_FILES
  98 BEAUTY_FILES=(
  99   "include/linux/socket.h"
 100 )
 101
 102 declare -a FAILURES
 103
 104 check_2 () {
 105   tools_file=$1
 106   orig_file=$2
 107
 108   shift
 109   shift
 110
 111   cmd="diff $* $tools_file $orig_file > /dev/null"
 112
 113   if [ -f "$orig_file" ] && ! eval "$cmd"
 114   then
 115     FAILURES+=(
 116       "$tools_file $orig_file"
 117     )
 118   fi
 119 }
 120
 121 check () {
 122   file=$1
 123
 124   shift
 125
 126   check_2 "tools/$file" "$file" $*
 127 }
 128
 129 beauty_check () {
 130   file=$1
 131
 132   shift
 133
 134   check_2 "tools/perf/trace/beauty/$file" "$file" $*
 135 }
 136
 137 # Check if we have the kernel headers (tools/perf/../../include), else
 138 # we're probably on a detached tarball, so no point in trying to check
 139 # differences.
 140 if ! [ -d ../../include ]
 141 then
 142   echo -e "${YELLOW}Warning${NC}: Skipped check-headers due to missing ../../include"
 143   exit 0
 144 fi
 145
 146 cd ../..
 147
 148 # simple diff check
 149 for i in "${FILES[@]}"
 150 do
 151   check "$i" -B
 152 done
 153
 154 for i in "${SYNC_CHECK_FILES[@]}"
 155 do
 156   check "$i" '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"'
 157 done
 158
 159 # diff with extra ignore lines
 160 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>"'
 161 check arch/x86/lib/memset_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"'
 162 check arch/x86/include/asm/amd-ibs.h  '-I "^#include [<\"]\(asm/\)*msr-index.h"'
 163 check arch/arm64/include/asm/cputype.h '-I "^#include [<\"]\(asm/\)*sysreg.h"'
 164 check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"'
 165 check include/uapi/linux/mman.h       '-I "^#include <\(uapi/\)*asm/mman.h>"'
 166 check include/linux/build_bug.h       '-I "^#\(ifndef\|endif\)\( \/\/\)* static_assert$"'
 167 check include/linux/ctype.h           '-I "isdigit("'
 168 check lib/ctype.c                     '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B'
 169 check lib/list_sort.c                 '-I "^#include <linux/bug.h>"'
 170
 171 # diff non-symmetric files
 172 check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
 173 check_2 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl
 174 check_2 tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
 175 check_2 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl
 176
 177 for i in "${BEAUTY_FILES[@]}"
 178 do
 179   beauty_check "$i" -B
 180 done
 181
 182 # check duplicated library files
 183 check_2 tools/perf/util/hashmap.h tools/lib/bpf/hashmap.h
 184 check_2 tools/perf/util/hashmap.c tools/lib/bpf/hashmap.c
 185
 186 cd tools/perf
 187
 188 if [ ${#FAILURES[@]} -gt 0 ]
 189 then
 190   echo -e "${YELLOW}Warning${NC}: Kernel ABI header differences:"
 191   for i in "${FAILURES[@]}"
 192   do
 193     echo "  diff -u $i"
 194   done
 195 fi