Re: [PATCH v3 2/3] perf arm64: Generate system call table from asm/unistd.h

From: Arnaldo Carvalho de Melo
Date: Fri Jul 20 2018 - 11:07:00 EST

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Em Wed, Jul 18, 2018 at 12:57:52PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Fri, Jul 06, 2018 at 04:34:43PM -0500, Kim Phillips escreveu:
> > This should speed up accessing new system calls introduced with the
> > kernel rather than waiting for libaudit updates to include them.
> >
> > Using the existing other arch scripts resulted in this error:
> >
> > tools/perf/arch/arm64/entry/syscalls//mksyscalltbl: 25: printf: __NR3264_ftruncate: expected numeric value
> >
> > because, unlike other arches, asm-generic's unistd.h does things like:
> >
> > #define __NR_ftruncate __NR3264_ftruncate
> >
> > Turning the scripts printf's %d into a %s resulted in this in the
> > generated syscalls.c file:
> >
> > static const char *syscalltbl_arm64[] = {
> > [__NR3264_ftruncate] = "ftruncate",
> >
> > So we use the host C compiler to fold the macros, and print them out
> > from within a temporary C program, in order to get the correct output:
> >
> > static const char *syscalltbl_arm64[] = {
> > [46] = "ftruncate",
> >
>
> One of my containers, ubuntu:14.04.4-x-linaro-arm64, that build perf in
> a cross-build env, failed to build, please take a look if what is in the
> output below is enough for you to find the problem, perhaps you forgot
> to add the new files grabbed from the kernel sources to the
> tools/perf/MANIFEST file that is used to create the tarball that is then
> used to test build it? I'll check that later, in a hurry right now.

Shouldn't be the MANIFEST file, as it gets the whole trees of
directories containing the files you added in this series, possibly
something related to cross building or a header file with that same name
taking precedence, still have to verify, have you had the chance to look
at this?

- Arnaldo

> Thanks,
>
> - Arnaldo
>
> ubuntu:14.04.4-x-linaro-arm64
> Downloading http://192.168.86.4/perf/perf-4.18.0-rc4.tar.xz...
> % Total % Received % Xferd Average Speed Time Time Time Current
> Dload Upload Total Spent Left Speed
> 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0100 1338k 100 1338k 0 0 73.8M 0 --:--:-- --:--:-- --:--:-- 87.1M
> 608df4c7ac9a7bde0129d08d7a16a0ea76e0dd23
> Using built-in specs.
> COLLECT_GCC=/gcc-linaro-5.5.0-2017.10-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-gcc
> COLLECT_LTO_WRAPPER=/gcc-linaro-5.5.0-2017.10-x86_64_aarch64-linux-gnu/bin/../libexec/gcc/aarch64-linux-gnu/5.5.0/lto-wrapper
> Target: aarch64-linux-gnu
> Configured with: '/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/aarch64-linux-gnu/snapshots/gcc.git~linaro-5.5-2017.10/configure' SHELL=/bin/bash --with-mpc=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/aarch64-linux-gnu/_build/builds/destdir/x86_64-unknown-linux-gnu --with-mpfr=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/aarch64-linux-gnu/_build/builds/destdir/x86_64-unknown-linux-gnu --with-gmp=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/aarch64-linux-gnu/_build/builds/destdir/x86_64-unknown-linux-gnu --with-gnu-as --with-gnu-ld --disable-libmudflap --enable-lto --enable-shared --without-included-gettext --enable-nls --disable-sjlj-exceptions --enable-gnu-unique-object --enable-linker-build-id --disable-libstdcxx-pch --enable-c99 --enable-clocale=gnu --enable-libstdcxx-debug --enable-long-long --with-cloog=no --with-ppl=no --with-isl=no --disable-multilib --enable-fix-cortex-a53-835769 --enable-fix-cortex-a53-843419 --with-arch=armv8-a --enable-threads=posix --enable-multiarch --enable-libstdcxx-time=yes --with-build-sysroot=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/aarch64-linux-gnu/_build/sysroots/aarch64-linux-gnu --with-sysroot=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/aarch64-linux-gnu/_build/builds/destdir/x86_64-unknown-linux-gnu/aarch64-linux-gnu/libc --enable-checking=release --disable-bootstrap --enable-languages=c,c++,fortran,lto --build=x86_64-unknown-linux-gnu --host=x86_64-unknown-linux-gnu --target=aarch64-linux-gnu --prefix=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/aarch64-linux-gnu/_build/builds/destdir/x86_64-unknown-linux-gnu
> Thread model: posix
> gcc version 5.5.0 (Linaro GCC 5.5-2017.10)
> make: Entering directory `/git/linux/tools/perf'
> BUILD: Doing 'make -j4' parallel build
> HOSTCC /tmp/build/perf/fixdep.o
> HOSTLD /tmp/build/perf/fixdep-in.o
> LINK /tmp/build/perf/fixdep
> sh: 1: command: Illegal option -c
>
> Auto-detecting system features:
> ... dwarf: [ on ]
> ... dwarf_getlocations: [ on ]
> ... glibc: [ on ]
> ... gtk2: [ OFF ]
> ... libaudit: [ OFF ]
> ... libbfd: [ OFF ]
> ... libelf: [ on ]
> ... libnuma: [ OFF ]
> ... numa_num_possible_cpus: [ OFF ]
> ... libperl: [ OFF ]
> ... libpython: [ OFF ]
> ... libslang: [ OFF ]
> ... libcrypto: [ OFF ]
> ... libunwind: [ OFF ]
> ... libdw-dwarf-unwind: [ on ]
> ... zlib: [ on ]
> ... lzma: [ OFF ]
> ... get_cpuid: [ OFF ]
> ... bpf: [ on ]
>
> Makefile.config:445: No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev
> Makefile.config:491: No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR
> Makefile.config:583: No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev
> Makefile.config:598: slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev
> Makefile.config:612: GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev
> Makefile.config:639: Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev
> Makefile.config:666: No python interpreter was found: disables Python support - please install python-devel/python-dev
> Makefile.config:721: No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling
> Makefile.config:750: No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev
> Makefile.config:763: No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev
> Makefile.config:814: No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev
> Makefile.config:840: No alternatives command found, you need to set JDIR= to point to the root of your Java directory
> GEN /tmp/build/perf/common-cmds.h
> PERF_VERSION = 4.18.rc4.g608df4c7
> <stdin>: In function 'main':
> <stdin>:257:38: error: '__NR_getrandom' undeclared (first use in this function)
> <stdin>:257:38: note: each undeclared identifier is reported only once for each function it appears in
> <stdin>:258:41: error: '__NR_memfd_create' undeclared (first use in this function)
> <stdin>:259:32: error: '__NR_bpf' undeclared (first use in this function)
> <stdin>:260:37: error: '__NR_execveat' undeclared (first use in this function)
> /git/linux/tools/perf/arch/arm64/entry/syscalls//mksyscalltbl: 46: /git/linux/tools/perf/arch/arm64/entry/syscalls//mksyscalltbl: /tmp/create-table-iJLXMb: Permission denied
> CC /tmp/build/perf/event-parse.o
> MKDIR /tmp/build/perf/fd/
> CC /tmp/build/perf/fd/array.o
> MKDIR /tmp/build/perf/fs/
> CC /tmp/build/perf/fs/fs.o
> MKDIR /tmp/build/perf/fd/
> LD /tmp/build/perf/fd/libapi-in.o
> MKDIR /tmp/build/perf/fs/
> CC /tmp/build/perf/fs/tracing_path.o
> CC /tmp/build/perf/event-plugin.o
> MKDIR /tmp/build/perf/fs/
> LD /tmp/build/perf/fs/libapi-in.o
> CC /tmp/build/perf/cpu.o
> CC /tmp/build/perf/trace-seq.o
> CC /tmp/build/perf/debug.o
> CC /tmp/build/perf/str_error_r.o
> CC /tmp/build/perf/parse-filter.o
> LD /tmp/build/perf/libapi-in.o
> AR /tmp/build/perf/libapi.a
> CC /tmp/build/perf/parse-utils.o
> CC /tmp/build/perf/exec-cmd.o
> MKDIR /tmp/build/perf/pmu-events/
> HOSTCC /tmp/build/perf/pmu-events/json.o
> CC /tmp/build/perf/libbpf.o
> CC /tmp/build/perf/kbuffer-parse.o
> MKDIR /tmp/build/perf/pmu-events/
> CC /tmp/build/perf/help.o
> HOSTCC /tmp/build/perf/pmu-events/jsmn.o
> LD /tmp/build/perf/libtraceevent-in.o
> LINK /tmp/build/perf/libtraceevent.a
> MKDIR /tmp/build/perf/pmu-events/
> HOSTCC /tmp/build/perf/pmu-events/jevents.o
> CC /tmp/build/perf/bpf.o
> CC /tmp/build/perf/nlattr.o
> MKDIR /tmp/build/perf/pmu-events/
> HOSTLD /tmp/build/perf/pmu-events/jevents-in.o
> CC /tmp/build/perf/pager.o
> CC /tmp/build/perf/plugin_jbd2.o
> CC /tmp/build/perf/plugin_hrtimer.o
> CC /tmp/build/perf/btf.o
> LD /tmp/build/perf/plugin_jbd2-in.o
> LD /tmp/build/perf/plugin_hrtimer-in.o
> CC /tmp/build/perf/parse-options.o
> CC /tmp/build/perf/plugin_kmem.o
> GEN perf-archive
> CC /tmp/build/perf/plugin_kvm.o
> LD /tmp/build/perf/libbpf-in.o
> LINK /tmp/build/perf/libbpf.a
> LD /tmp/build/perf/plugin_kmem-in.o
> CC /tmp/build/perf/plugin_mac80211.o
> CC /tmp/build/perf/plugin_sched_switch.o
> LD /tmp/build/perf/plugin_kvm-in.o
> CC /tmp/build/perf/plugin_function.o
> LD /tmp/build/perf/plugin_mac80211-in.o
> LD /tmp/build/perf/plugin_sched_switch-in.o
> CC /tmp/build/perf/plugin_xen.o
> CC /tmp/build/perf/plugin_scsi.o
> LD /tmp/build/perf/plugin_function-in.o
> CC /tmp/build/perf/plugin_cfg80211.o
> LD /tmp/build/perf/plugin_xen-in.o
> GEN perf-with-kcore
> CC /tmp/build/perf/run-command.o
> LD /tmp/build/perf/plugin_scsi-in.o
> LD /tmp/build/perf/plugin_cfg80211-in.o
> CC /tmp/build/perf/sigchain.o
> LINK /tmp/build/perf/plugin_jbd2.so
> LINK /tmp/build/perf/plugin_hrtimer.so
> LINK /tmp/build/perf/plugin_kmem.so
> LINK /tmp/build/perf/plugin_kvm.so
> LINK /tmp/build/perf/plugin_mac80211.so
> LINK /tmp/build/perf/plugin_sched_switch.so
> CC /tmp/build/perf/subcmd-config.o
> LINK /tmp/build/perf/plugin_function.so
> LINK /tmp/build/perf/plugin_xen.so
> LINK /tmp/build/perf/plugin_scsi.so
> LINK /tmp/build/perf/plugin_cfg80211.so
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/annotate.o
> CC /tmp/build/perf/arch/common.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/block-range.o
> LD /tmp/build/perf/libsubcmd-in.o
> AR /tmp/build/perf/libsubcmd.a
> MKDIR /tmp/build/perf/arch/arm64/util/
> CC /tmp/build/perf/arch/arm64/util/header.o
> MKDIR /tmp/build/perf/arch/arm64/tests/
> CC /tmp/build/perf/arch/arm64/tests/regs_load.o
> MKDIR /tmp/build/perf/arch/arm64/tests/
> CC /tmp/build/perf/arch/arm64/tests/dwarf-unwind.o
> MKDIR /tmp/build/perf/arch/arm64/util/
> CC /tmp/build/perf/arch/arm64/util/sym-handling.o
> MKDIR /tmp/build/perf/arch/arm64/util/
> CC /tmp/build/perf/arch/arm64/util/dwarf-regs.o
> MKDIR /tmp/build/perf/arch/arm64/tests/
> CC /tmp/build/perf/arch/arm64/tests/arch-tests.o
> MKDIR /tmp/build/perf/util/
> MKDIR /tmp/build/perf/arch/arm64/util/
> CC /tmp/build/perf/arch/arm64/util/unwind-libdw.o
> CC /tmp/build/perf/util/build-id.o
> MKDIR /tmp/build/perf/arch/arm64/tests/
> LD /tmp/build/perf/arch/arm64/tests/libperf-in.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/config.o
> MKDIR /tmp/build/perf/arch/arm64/util/../../arm/util/
> CC /tmp/build/perf/arch/arm64/util/../../arm/util/pmu.o
> MKDIR /tmp/build/perf/arch/arm64/util/../../arm/util/
> CC /tmp/build/perf/arch/arm64/util/../../arm/util/auxtrace.o
> MKDIR /tmp/build/perf/arch/arm64/util/../../arm/util/
> CC /tmp/build/perf/arch/arm64/util/../../arm/util/cs-etm.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/ctype.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/db-export.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/env.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/event.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/evlist.o
> MKDIR /tmp/build/perf/arch/arm64/util/
> CC /tmp/build/perf/arch/arm64/util/arm-spe.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/evsel.o
> MKDIR /tmp/build/perf/arch/arm64/util/
> LD /tmp/build/perf/arch/arm64/util/libperf-in.o
> LD /tmp/build/perf/arch/arm64/libperf-in.o
> LD /tmp/build/perf/arch/libperf-in.o
> MKDIR /tmp/build/perf/ui/
> CC /tmp/build/perf/ui/setup.o
> MKDIR /tmp/build/perf/ui/
> CC /tmp/build/perf/ui/helpline.o
> MKDIR /tmp/build/perf/ui/
> CC /tmp/build/perf/ui/progress.o
> MKDIR /tmp/build/perf/ui/
> CC /tmp/build/perf/ui/util.o
> MKDIR /tmp/build/perf/ui/
> CC /tmp/build/perf/ui/hist.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/evsel_fprintf.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/find_bit.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/kallsyms.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/levenshtein.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/llvm-utils.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/mmap.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/memswap.o
> CC /tmp/build/perf/builtin-bench.o
> LINK /tmp/build/perf/pmu-events/jevents
> MKDIR /tmp/build/perf/scripts/
> LD /tmp/build/perf/scripts/libperf-in.o
> CC /tmp/build/perf/trace/beauty/clone.o
> CC /tmp/build/perf/builtin-annotate.o
> CC /tmp/build/perf/trace/beauty/fcntl.o
> CC /tmp/build/perf/trace/beauty/flock.o
> CC /tmp/build/perf/trace/beauty/kcmp.o
> MKDIR /tmp/build/perf/util/
> BISON /tmp/build/perf/util/parse-events-bison.c
> CC /tmp/build/perf/trace/beauty/pkey_alloc.o
> CC /tmp/build/perf/builtin-config.o
> CC /tmp/build/perf/trace/beauty/prctl.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/perf_regs.o
> MKDIR /tmp/build/perf/ui/stdio/
> CC /tmp/build/perf/ui/stdio/hist.o
> CC /tmp/build/perf/trace/beauty/statx.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/path.o
> CC /tmp/build/perf/builtin-diff.o
> LD /tmp/build/perf/trace/beauty/libperf-in.o
> GEN /tmp/build/perf/libtraceevent-dynamic-list
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/print_binary.o
> GEN /tmp/build/perf/pmu-events/pmu-events.c
> CC /tmp/build/perf/pmu-events/pmu-events.o
> LD /tmp/build/perf/pmu-events/pmu-events-in.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/rbtree.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/libstring.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/bitmap.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/hweight.o
> MKDIR /tmp/build/perf/util/
> MKDIR /tmp/build/perf/ui/
> CC /tmp/build/perf/builtin-evlist.o
> CC /tmp/build/perf/util/smt.o
> LD /tmp/build/perf/ui/libperf-in.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/strbuf.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/string.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/strlist.o
> CC /tmp/build/perf/builtin-ftrace.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/strfilter.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/top.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/usage.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/dso.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/symbol.o
> CC /tmp/build/perf/builtin-help.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/symbol_fprintf.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/color.o
> CC /tmp/build/perf/builtin-sched.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/metricgroup.o
> CC /tmp/build/perf/builtin-buildid-list.o
> CC /tmp/build/perf/builtin-buildid-cache.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/header.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/callchain.o
> CC /tmp/build/perf/builtin-kallsyms.o
> CC /tmp/build/perf/builtin-list.o
> CC /tmp/build/perf/builtin-record.o
> CC /tmp/build/perf/builtin-report.o
> CC /tmp/build/perf/builtin-stat.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/values.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/debug.o
> CC /tmp/build/perf/builtin-timechart.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/machine.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/map.o
> CC /tmp/build/perf/builtin-top.o
> CC /tmp/build/perf/builtin-script.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/pstack.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/session.o
> MKDIR /tmp/build/perf/util/
> CC /tmp/build/perf/util/syscalltbl.o
> util/syscalltbl.c:43:38:SYSCALLTBL_ARM64_MAX_ID' undeclared here (not in a function)
> const int syscalltbl_native_max_id = SYSCALLTBL_ARM64_MAX_ID;
> mv: cannot stat '/tmp/build/perf/util/.syscalltbl.o.tmp': No such file or directory
> make[4]: *** [/tmp/build/perf/util/syscalltbl.o] Error 1
> make[4]: *** Waiting for unfinished jobs....
> CC /tmp/build/perf/builtin-kmem.o
> CC /tmp/build/perf/builtin-lock.o
> CC /tmp/build/perf/builtin-kvm.o
> make[3]: *** [util] Error 2
> make[2]: *** [/tmp/build/perf/libperf-in.o] Error 2
> make[2]: *** Waiting for unfinished jobs....
> CC /tmp/build/perf/builtin-inject.o
> CC /tmp/build/perf/builtin-mem.o
> CC /tmp/build/perf/builtin-data.o
> CC /tmp/build/perf/builtin-version.o
> CC /tmp/build/perf/builtin-c2c.o
> CC /tmp/build/perf/builtin-trace.o
> CC /tmp/build/perf/builtin-probe.o
> MKDIR /tmp/build/perf/bench/
> CC /tmp/build/perf/bench/sched-messaging.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/builtin-test.o
> MKDIR /tmp/build/perf/bench/
> CC /tmp/build/perf/bench/sched-pipe.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/parse-events.o
> MKDIR /tmp/build/perf/bench/
> CC /tmp/build/perf/bench/mem-functions.o
> MKDIR /tmp/build/perf/bench/
> CC /tmp/build/perf/bench/futex-hash.o
> MKDIR /tmp/build/perf/bench/
> CC /tmp/build/perf/bench/futex-wake.o
> CC /tmp/build/perf/perf.o
> MKDIR /tmp/build/perf/bench/
> CC /tmp/build/perf/bench/futex-wake-parallel.o
> MKDIR /tmp/build/perf/bench/
> CC /tmp/build/perf/bench/futex-requeue.o
> MKDIR /tmp/build/perf/bench/
> CC /tmp/build/perf/bench/futex-lock-pi.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/dso-data.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/attr.o
> MKDIR /tmp/build/perf/bench/
> LD /tmp/build/perf/bench/perf-in.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/vmlinux-kallsyms.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/openat-syscall.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/openat-syscall-all-cpus.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/openat-syscall-tp-fields.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/mmap-basic.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/perf-record.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/evsel-roundtrip-name.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/evsel-tp-sched.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/fdarray.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/pmu.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/hists_common.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/hists_link.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/hists_filter.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/hists_output.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/hists_cumulate.o
> MKDIR /tmp/build/perf/tests/
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/bp_signal.o
> CC /tmp/build/perf/tests/python-use.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/bp_signal_overflow.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/bp_account.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/task-exit.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/sw-clock.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/mmap-thread-lookup.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/thread-mg-share.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/switch-tracking.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/keep-tracking.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/code-reading.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/sample-parsing.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/parse-no-sample-id-all.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/kmod-path.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/thread-map.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/llvm.o
> MKDIR /tmp/build/perf/tests/
> MKDIR /tmp/build/perf/tests/
> MKDIR /tmp/build/perf/tests/
> MKDIR /tmp/build/perf/tests/
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/bpf.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/topology.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/mem.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/cpumap.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/stat.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/event_update.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/event-times.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/expr.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/backward-ring-buffer.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/sdt.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/is_printable_array.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/bitmap.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/perf-hooks.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/clang.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/unit_number__scnprintf.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/mem2node.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/dwarf-unwind.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/llvm-src-base.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/llvm-src-kbuild.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/llvm-src-prologue.o
> MKDIR /tmp/build/perf/tests/
> CC /tmp/build/perf/tests/llvm-src-relocation.o
> MKDIR /tmp/build/perf/tests/
> LD /tmp/build/perf/tests/perf-in.o
> LD /tmp/build/perf/perf-in.o
> make[1]: *** [sub-make] Error 2
> make: *** [all] Error 2
> make: Leaving directory `/git/linux/tools/perf'

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