From d6748385098a8333a0e1c7e2d77119c919776728 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Mon, 5 Jun 2023 13:34:25 -0700 Subject: [PATCH] tools headers: Make the difference output easier to read Add failures to an array and display it before exiting. Before: Warning: Kernel ABI header at 'tools/include/uapi/linux/perf_event.h' differs from latest version at 'include/uapi/linux/perf_event.h' diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h Warning: Kernel ABI header at 'tools/arch/arm64/include/uapi/asm/perf_regs.h' differs from latest version at 'arch/arm64/include/uapi/asm/perf_regs.h' diff -u tools/arch/arm64/include/uapi/asm/perf_regs.h arch/arm64/include/uapi/asm/perf_regs.h Warning: Kernel ABI header at 'tools/arch/arm64/include/asm/cputype.h' differs from latest version at 'arch/arm64/include/asm/cputype.h' diff -u tools/arch/arm64/include/asm/cputype.h arch/arm64/include/asm/cputype.h ... After: Warning: Kernel ABI header differences: diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h diff -u tools/arch/arm64/include/uapi/asm/perf_regs.h arch/arm64/include/uapi/asm/perf_regs.h diff -u tools/arch/arm64/include/asm/cputype.h arch/arm64/include/asm/cputype.h ... The aim is to make the warnings easier to read and distinguish from other Makefile warnings messages. Signed-off-by: Ian Rogers Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Ingo Molnar Cc: Jiri Olsa Cc: Mark Rutland Cc: Namhyung Kim Cc: Peter Zijlstra Link: https://lore.kernel.org/r/20230605203425.1696844-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/check-headers.sh | 232 ++++++++++++++++++++++++-------------------- 1 file changed, 128 insertions(+), 104 deletions(-) diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh index 6f831ee..a0f1d8a 100755 --- a/tools/perf/check-headers.sh +++ b/tools/perf/check-headers.sh @@ -1,113 +1,121 @@ -#!/bin/sh +#!/bin/bash # SPDX-License-Identifier: GPL-2.0 -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/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 -' - -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 -' +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/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) -BEAUTY_FILES=' -include/linux/socket.h -' +declare -a BEAUTY_FILES +BEAUTY_FILES=( + "include/linux/socket.h" +) + +declare -a FAILURES check_2 () { - file1=$1 - file2=$2 + tools_file=$1 + orig_file=$2 shift shift - cmd="diff $* $file1 $file2 > /dev/null" + cmd="diff $* $tools_file $orig_file > /dev/null" - test -f $file2 && { - eval $cmd || { - echo "Warning: Kernel ABI header at '$file1' differs from latest version at '$file2'" >&2 - echo diff -u $file1 $file2 - } - } + if [ -f "$orig_file" ] && ! eval "$cmd" + then + FAILURES+=( + "$tools_file $orig_file" + ) + fi } check () { @@ -115,7 +123,7 @@ check () { shift - check_2 tools/$file $file $* + check_2 "tools/$file" "$file" $* } beauty_check () { @@ -123,23 +131,29 @@ beauty_check () { shift - check_2 tools/perf/trace/beauty/$file $file $* + check_2 "tools/perf/trace/beauty/$file" "$file" $* } # Check if we have the kernel headers (tools/perf/../../include), else # we're probably on a detached tarball, so no point in trying to check # differences. -test -d ../../include || exit 0 +if ! [ -d ../../include ] +then + echo -e "${YELLOW}Warning${NC}: Skipped check-headers due to missing ../../include" + exit 0 +fi cd ../.. # simple diff check -for i in $FILES; do - check $i -B +for i in "${FILES[@]}" +do + check "$i" -B done -for i in $SYNC_CHECK_FILES; do - check $i '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"' +for i in "${SYNC_CHECK_FILES[@]}" +do + check "$i" '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"' done # diff with extra ignore lines @@ -160,8 +174,9 @@ check_2 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/s 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 $i -B +for i in "${BEAUTY_FILES[@]}" +do + beauty_check "$i" -B done # check duplicated library files @@ -169,3 +184,12 @@ 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 + +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 -- 2.7.4