From nobody Sun Feb 8 20:33:02 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 96E97C77B73 for ; Mon, 5 Jun 2023 19:14:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235219AbjFETN7 (ORCPT ); Mon, 5 Jun 2023 15:13:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235112AbjFETN4 (ORCPT ); Mon, 5 Jun 2023 15:13:56 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84617F2 for ; Mon, 5 Jun 2023 12:13:53 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-ba8337a5861so11482369276.0 for ; Mon, 05 Jun 2023 12:13:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1685992433; x=1688584433; h=to:from:subject:mime-version:message-id:date:from:to:cc:subject :date:message-id:reply-to; bh=C53eUO19S7JsdLagJJh4TshALuTBea05MBSTwq1dxu8=; b=A6hcQaIdLcwkH1jMu5VfqAL6vokLi6HCvikNwvJsycwIr0A8tdKv80INs1Ot2mK8Ts tRAxcukpG7BEwVsGan8Ci+8u8ifhiwIpL7od1+INMH/RO1U2LgP7Uw1XrDZT9LDmz2dN tRfLTAorhYW8NbCsxP0Zz2k4mJPpUSt8Pa9utiL6nDVaapWAii4S0uaac9UI7/vy/Snh YBB/DYFVHAzCDfPes3JMy3qqZpt1aHJQd6UrIqkdk2KYAwypErUFCRJl1Ljc8Y5M3Eo9 EIj767grfV72uMNFgta01H8/fxSo36CjEnpObn40T/nv89z9pNXKfIMr4cnNjuOxX4bq uhdQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685992433; x=1688584433; h=to:from:subject:mime-version:message-id:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=C53eUO19S7JsdLagJJh4TshALuTBea05MBSTwq1dxu8=; b=XpwUX/Cz4NC7c3HG3xm2slTgbbANV3ZkLgT5kX7cWqOHEEhIKDZxX+GeaPXHVAyniu mPiQin65o91xigY5OGxs0aESQDzcw3ZKcubjsx/crrmOtkhIK/HYsI75eMJ2LYbcvI54 rBlKPDFGbdOiknWLftrNYEqnHgIgSH/JGMDDEOlse2SQqvwwT2Il0wluQSZpJwkB/NE9 CbsJ/0TG/IYJ95k+JaR4h4Nu80yuvT3efZZ9AlgvEdgnLnZ9nUTPgRrOaw4eAgKYTz/c S0aZX2kGuegsOiwvsHaRYvN5VNb8x5wpsOGtd1MVzeuoU0w7ajgPK1kHndCxwKCeuBc2 LbOw== X-Gm-Message-State: AC+VfDycIDWiTSnxkYsB9P9Uo1imJvTSm1CXTRhbl0kXXN7lE4TkRUzh 0pSFrPKnQqumikyohbJmosN8OPXVE2az X-Google-Smtp-Source: ACHHUZ7z/aA5G9qDKq6Nr3/X1tiThosU1Efjf+EQaCY27rKWt7yxOYtvrmok4i7MvKGSjJIkf/NyjkMEpI+t X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:bed9:39b9:3df1:2828]) (user=irogers job=sendgmr) by 2002:a05:6902:724:b0:bab:e88b:1d8b with SMTP id l4-20020a056902072400b00babe88b1d8bmr8913754ybt.6.1685992432695; Mon, 05 Jun 2023 12:13:52 -0700 (PDT) Date: Mon, 5 Jun 2023 12:13:46 -0700 Message-Id: <20230605191346.1600336-1-irogers@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.41.0.rc0.172.g3f132b7071-goog Subject: [PATCH v2] tools headers: Make the difference output easier to read From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add failures to an array and display it before exiting. Before: ``` Warning: Kernel ABI header at 'tools/include/uapi/linux/perf_event.h' diffe= rs 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/ua= pi/asm/perf_regs.h Warning: Kernel ABI header at 'tools/arch/arm64/include/asm/cputype.h' diff= ers from latest version at 'arch/arm64/include/asm/cputype.h' diff -u tools/arch/arm64/include/asm/cputype.h arch/arm64/include/asm/cputy= pe.h ... ``` After: ``` Warning: Kernel ABI header differences: diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_eve= nt.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/cpu= type.h ... ``` The aim is to make the warnings easier to read and distinguish from other Makefile warnings messages. Signed-off-by: Ian Rogers v2. Is a rebase, avoids the warning message if there are no diffs, adds diff to the output for easier copy and paste. --- tools/perf/check-headers.sh | 233 ++++++++++++++++++++---------------- 1 file changed, 129 insertions(+), 104 deletions(-) diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh index 6f831ee2f60f..bcad6a7d8e5d 100755 --- a/tools/perf/check-headers.sh +++ b/tools/perf/check-headers.sh @@ -1,113 +1,122 @@ -#!/bin/sh +#!/bin/bash # SPDX-License-Identifier: GPL-2.0 =20 -FILES=3D' -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=3D' -arch/x86/include/asm/inat.h -arch/x86/include/asm/insn.h -arch/x86/lib/inat.c -arch/x86/lib/insn.c -' +YELLOW=3D'\033[0;33m' +NC=3D'\033[0m' # No Color + +declare -a FILES +FILES=3D( + "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=3D( + "arch/x86/include/asm/inat.h" + "arch/x86/include/asm/insn.h" + "arch/x86/lib/inat.c" + "arch/x86/lib/insn.c" +) =20 # 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 gen= erate # tables that then gets included in .c files for things like id->string sy= scall # tables (and the reverse lookup as well: string -> id) =20 -BEAUTY_FILES=3D' -include/linux/socket.h -' +declare -a BEAUTY_FILES +BEAUTY_FILES=3D( + "include/linux/socket.h" +) + +declare -a FAILURES =20 check_2 () { - file1=3D$1 - file2=3D$2 + tools_file=3D$1 + orig_file=3D$2 =20 shift shift =20 - cmd=3D"diff $* $file1 $file2 > /dev/null" + cmd=3D"diff $* $tools_file $orig_file > /dev/null" =20 - test -f $file2 && { - eval $cmd || { - echo "Warning: Kernel ABI header at '$file1' differs from latest ver= sion at '$file2'" >&2 - echo diff -u $file1 $file2 - } - } + if [ -f "$orig_file" ] && ! eval "$cmd" + then + echo "$tools_file $orig_file" + FAILURES+=3D( + "$tools_file $orig_file" + ) + fi } =20 check () { @@ -115,7 +124,7 @@ check () { =20 shift =20 - check_2 tools/$file $file $* + check_2 "tools/$file" "$file" $* } =20 beauty_check () { @@ -123,23 +132,29 @@ beauty_check () { =20 shift =20 - check_2 tools/perf/trace/beauty/$file $file $* + check_2 "tools/perf/trace/beauty/$file" "$file" $* } =20 # Check if we have the kernel headers (tools/perf/../../include), else # we're probably on a detached tarball, so no point in trying to check # differences. -test -d ../../include || exit 0 +if ! [ -d ../../include ] +then + echo -e "${YELLOW}Warning${NC}: Skipped check-headers due to missing ../= ../include" + exit 0 +fi =20 cd ../.. =20 # simple diff check -for i in $FILES; do - check $i -B +for i in "${FILES[@]}" +do + check "$i" -B done =20 -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 =20 # diff with extra ignore lines @@ -160,8 +175,9 @@ 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/s= yscalls/syscall.tbl check_2 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kern= el/syscalls/syscall_n64.tbl =20 -for i in $BEAUTY_FILES; do - beauty_check $i -B +for i in "${BEAUTY_FILES[@]}" +do + beauty_check "$i" -B done =20 # check duplicated library files @@ -169,3 +185,12 @@ check_2 tools/perf/util/hashmap.h tools/lib/bpf/hashma= p.h check_2 tools/perf/util/hashmap.c tools/lib/bpf/hashmap.c =20 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 --=20 2.41.0.rc0.172.g3f132b7071-goog