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linux/tools/perf/check-headers.sh
Linus Torvalds b2760b8390 perf tools fixes for v6.12: 
- Fix an assert() to handle captured and unprocessed ARM CoreSight CPU traces.
 
 - Fix static build compilation error when libdw isn't installed or is too old.
 
 - Add missing include when building with !HAVE_DWARF_GETLOCATIONS_SUPPORT.
 
 - Add missing refcount put on 32-bit DSOs.
 
 - Fix disassembly of user space binaries by setting the binary_type of DSO when
   loading.
 
 - Update headers with the kernel sources, including asound.h, sched.h, fcntl,
   msr-index.h, irq_vectors.h, socket.h, list_sort.c and arm64's cputype.h.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v6.12-1-2024-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools fixes from Arnaldo Carvalho de Melo:

 - Fix an assert() to handle captured and unprocessed ARM CoreSight CPU
   traces

 - Fix static build compilation error when libdw isn't installed or is
   too old

 - Add missing include when building with
   !HAVE_DWARF_GETLOCATIONS_SUPPORT

 - Add missing refcount put on 32-bit DSOs

 - Fix disassembly of user space binaries by setting the binary_type of
   DSO when loading

 - Update headers with the kernel sources, including asound.h, sched.h,
   fcntl, msr-index.h, irq_vectors.h, socket.h, list_sort.c and arm64's
   cputype.h

* tag 'perf-tools-fixes-for-v6.12-1-2024-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
  perf cs-etm: Fix the assert() to handle captured and unprocessed cpu trace
  perf build: Fix build feature-dwarf_getlocations fail for old libdw
  perf build: Fix static compilation error when libdw is not installed
  perf dwarf-aux: Fix build with !HAVE_DWARF_GETLOCATIONS_SUPPORT
  tools headers arm64: Sync arm64's cputype.h with the kernel sources
  perf tools: Cope with differences for lib/list_sort.c copy from the kernel
  tools check_headers.sh: Add check variant that excludes some hunks
  perf beauty: Update copy of linux/socket.h with the kernel sources
  tools headers UAPI: Sync the linux/in.h with the kernel sources
  perf trace beauty: Update the arch/x86/include/asm/irq_vectors.h copy with the kernel sources
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  tools include UAPI: Sync linux/fcntl.h copy with the kernel sources
  tools include UAPI: Sync linux/sched.h copy with the kernel sources
  tools include UAPI: Sync sound/asound.h copy with the kernel sources
  perf vdso: Missed put on 32-bit dsos
  perf symbol: Set binary_type of dso when loading
2024-10-08 10:43:22 -07:00

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#!/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/bits.h"
"include/uapi/linux/fadvise.h"
"include/uapi/linux/fscrypt.h"
"include/uapi/linux/kcmp.h"
"include/uapi/linux/kvm.h"
"include/uapi/linux/in.h"
"include/uapi/linux/perf_event.h"
"include/uapi/linux/seccomp.h"
"include/uapi/linux/stat.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/msr-index.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=(
"arch/x86/include/asm/irq_vectors.h"
"arch/x86/include/uapi/asm/prctl.h"
"include/linux/socket.h"
"include/uapi/linux/fcntl.h"
"include/uapi/linux/fs.h"
"include/uapi/linux/mount.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"
)
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_ignore_some_hunks () {
orig_file="$1"
tools_file="tools/$orig_file"
hunks_to_ignore="tools/perf/check-header_ignore_hunks/$orig_file"
if [ ! -f "$hunks_to_ignore" ]; then
echo "$hunks_to_ignore not found. Skipping $orig_file check."
FAILURES+=(
"$tools_file $orig_file"
)
return
fi
cmd="diff -u \"$tools_file\" \"$orig_file\" | grep -vf \"$hunks_to_ignore\" | wc -l | grep -qw 0"
if [ -f "$orig_file" ] && ! eval "$cmd"
then
FAILURES+=(
"$tools_file $orig_file"
)
fi
}
# Check if we have the kernel headers (tools/perf/../../include), else
# we're probably on a detached tarball, so no point in trying to check
# differences.
if ! [ -d ../../include ]
then
echo -e "${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/linux/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$"'
check include/linux/ctype.h '-I "isdigit("'
check lib/ctype.c '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B'
# diff non-symmetric files
check_2 tools/perf/arch/x86/entry/syscalls/syscall_32.tbl arch/x86/entry/syscalls/syscall_32.tbl
check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
check_2 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl
check_2 tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
check_2 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl
for i in "${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
# Files with larger differences
check_ignore_some_hunks lib/list_sort.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
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