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Message-ID: <aYIOMWb2sijXzSDm@x1>
Date: Tue, 3 Feb 2026 12:03:13 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ian Rogers <irogers@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Adrian Hunter <adrian.hunter@...el.com>,
James Clark <james.clark@...aro.org>,
John Garry <john.g.garry@...cle.com>, Will Deacon <will@...nel.org>,
Mike Leach <mike.leach@...aro.org>, Leo Yan <leo.yan@...ux.dev>,
Paul Walmsley <pjw@...nel.org>, Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>,
Shimin Guo <shimin.guo@...dio.com>, Yunseong Kim <ysk@...lloc.com>,
Athira Rajeev <atrajeev@...ux.ibm.com>,
Quan Zhou <zhouquan@...as.ac.cn>,
Andrew Jones <ajones@...tanamicro.com>,
Anup Patel <anup@...infault.org>,
Dapeng Mi <dapeng1.mi@...ux.intel.com>,
Thomas Falcon <thomas.falcon@...el.com>,
Blake Jones <blakejones@...gle.com>,
Swapnil Sapkal <swapnil.sapkal@....com>,
Kan Liang <kan.liang@...ux.intel.com>,
Howard Chu <howardchu95@...il.com>,
Anubhav Shelat <ashelat@...hat.com>,
Aditya Bodkhe <aditya.b1@...ux.ibm.com>,
Chun-Tse Shao <ctshao@...gle.com>, Andi Kleen <ak@...ux.intel.com>,
Dmitry Vyukov <dvyukov@...gle.com>, linux-kernel@...r.kernel.org,
linux-perf-users@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v2 0/6] perf Cross platform KVM support
On Tue, Feb 03, 2026 at 11:57:57AM -0300, Arnaldo Carvalho de Melo wrote:
> On Tue, Feb 03, 2026 at 11:42:44AM -0300, Arnaldo Carvalho de Melo wrote:
> > On Sat, Jan 31, 2026 at 12:02:18PM -0800, Ian Rogers wrote:
> > > The existing perf kvm code is using the arch directory, which means a
> > > data file can only be processed on the same machine type that it was
> > > recorded. Switch to using the ELF machine of the session at runtime to
> > > set up the KVM support, making it cross-architectural. So that the ELF
> > > machine number is available early in initialization add it to the perf
> > > data file header.
> > >
> > > v2: Wire up the perf data header to have the e_machine and allow early
> > > initialization of the KVM operations based upon it.
> > > v1: https://lore.kernel.org/lkml/20260128074106.788156-1-irogers@google.com/
> >
> > Thanks, applied to perf-tools-next,
>
> Removing it for now, the static build is failing, please take a look,
I kept the first patch, additionally:
8 20.68 alpine:3.19 : FAIL gcc version 13.2.1 20231014 (Alpine 13.2.1_git20231014)
util/kvm-stat-arch/kvm-stat-loongarch.c: In function 'event_end':
util/kvm-stat-arch/kvm-stat-loongarch.c:73:54: error: 'EM_LOONGARCH' undeclared (first use in this function)
73 | return evsel__name_is(evsel, kvm_entry_trace(EM_LOONGARCH)) ||
| ^~~~~~~~~~~~
util/kvm-stat-arch/kvm-stat-loongarch.c:73:54: note: each undeclared identifier is reported only once for each function it appears in
util/kvm-stat-arch/kvm-stat-loongarch.c:75:1: error: control reaches end of non-void function [-Werror=return-type]
75 | }
| ^
cc1: all warnings being treated as errors
make[4]: *** [/git/perf-6.19.0-rc7/tools/build/Makefile.build:142: kvm-stat-arch] Error 2
Some older distros don't have those EM_ defines, I fixed some in the
past but it would be better to have those conditional defines in a more
centralized place, etc.
On 32-bit arches this also happens:
In file included from util/kvm-stat-arch/kvm-stat-s390.c:13:
util/kvm-stat-arch/kvm-stat-s390.c: In function ‘event_icpt_insn_get_key’:
util/kvm-stat-arch/../../../arch/s390/include/uapi/asm/sie.h:231:15: error: right shift count >= width of type [-Werror=shift-count-overflow]
231 | (insn >> 56) == (ipa0) ? \
| ^~
util/kvm-stat-arch/../../../arch/s390/include/uapi/asm/sie.h:242:9: note: in expansion of macro ‘INSN_DECODE_IPA0’
242 | INSN_DECODE_IPA0(0x01, insn, 48, 0xff) \
| ^~~~~~~~~~~~~~~~
util/kvm-stat-arch/kvm-stat-s390.c:28:20: note: in expansion of macro ‘icpt_insn_decoder’
28 | key->key = icpt_insn_decoder(insn);
| ^~~~~~~~~~~~~~~~~
util/kvm-stat-arch/../../../arch/s390/include/uapi/asm/sie.h:232:39: error: right shift count >= width of type [-Werror=shift-count-overflow]
232 | ((ipa0 << 8) | ((insn >> rshift) & mask)) :
| ^~
- Arnaldo
>
> make_static: cd . && make LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1 NO_LIBTRACEEVENT=1 NO_LIBELF=1 -j32 DESTDIR=/tmp/tmp.XNUPlEfJN3
> cd . && make LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1 NO_LIBTRACEEVENT=1 NO_LIBELF=1 -j32 DESTDIR=/tmp/tmp.XNUPlEfJN3
> BUILD: Doing 'make -j32' parallel build
> Warning: Kernel ABI header differences:
> diff -u tools/arch/arm64/include/asm/cputype.h arch/arm64/include/asm/cputype.h
> diff -u tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
> Makefile.config:703: Warning: Disabled BPF skeletons as libelf is required by bpftool
> Makefile.config:747: Disabling post unwind, no support found.
> Makefile.config:794: slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev
> Makefile.config:871: No 'Python.h' was found: disables Python support - please install python-devel/python-dev
> Makefile.config:963: No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev
> Makefile.config:1009: No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev
> Makefile.config:1022: No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR
> Makefile.config:1035: No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev
> Makefile.config:1082: No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev
> Makefile.config:1098: No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel
> Makefile.config:1147: libpfm4 not found, disables libpfm4 support. Please install libpfm-devel or libpfm4-dev
>
> Auto-detecting system features:
> ... libdw: [ OFF ]
> ... glibc: [ on ]
> ... libelf: [ OFF ]
> ... libnuma: [ OFF ]
> ... numa_num_possible_cpus: [ OFF ]
> ... libpython: [ OFF ]
> ... libcapstone: [ OFF ]
> ... llvm-perf: [ OFF ]
> ... zlib: [ OFF ]
> ... lzma: [ OFF ]
> ... bpf: [ on ]
> ... libaio: [ on ]
> ... libzstd: [ OFF ]
> ... libopenssl: [ OFF ]
>
> CC dlfilters/dlfilter-test-api-v0.o
> CC dlfilters/dlfilter-test-api-v2.o
> CC dlfilters/dlfilter-show-cycles.o
> GEN /home/acme/git/perf-tools-next/tools/perf/arch/arm64/include/generated/asm/sysreg-defs.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libsubcmd/include/subcmd/exec-cmd.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libsubcmd/include/subcmd/help.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libsubcmd/include/subcmd/pager.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libsubcmd/include/subcmd/parse-options.h
> PERF_VERSION = 6.19.rc7.gd0144158c595
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libsubcmd/include/subcmd/run-command.h
> GEN perf-archive
> GEN perf-iostat
> INSTALL libsubcmd_headers
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/perf/core.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/perf/bpf_perf.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/perf/threadmap.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/perf/cpumap.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/perf/evlist.h
> CC /home/acme/git/perf-tools-next/tools/perf/libperf/core.o
> CC /home/acme/git/perf-tools-next/tools/perf/libperf/cpumap.o
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/perf/evsel.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/perf/event.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/perf/mmap.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/perf/schedstat-v15.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/perf/schedstat-v16.h
> CC /home/acme/git/perf-tools-next/tools/perf/libperf/threadmap.o
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/perf/schedstat-v17.h
> CC /home/acme/git/perf-tools-next/tools/perf/libperf/evsel.o
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/internal/cpumap.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libsymbol/include/symbol/kallsyms.h
> CC /home/acme/git/perf-tools-next/tools/perf/libperf/evlist.o
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/internal/evlist.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/internal/evsel.h
> CC /home/acme/git/perf-tools-next/tools/perf/libsymbol/kallsyms.o
> MKDIR /home/acme/git/perf-tools-next/tools/perf/libapi/fd/
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/internal/lib.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libapi/include/api/cpu.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libapi/include/api/debug.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/internal/mmap.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libapi/include/api/io.h
> CC /home/acme/git/perf-tools-next/tools/perf/libapi/cpu.o
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libapi/include/api/io_dir.h
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/internal/rc_check.h
> MKDIR /home/acme/git/perf-tools-next/tools/perf/libapi/fs/
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libapi/include/api/fd/array.h
> CC /home/acme/git/perf-tools-next/tools/perf/libperf/mmap.o
> CC /home/acme/git/perf-tools-next/tools/perf/libapi/fd/array.o
> CC /home/acme/git/perf-tools-next/tools/perf/libapi/debug.o
> INSTALL libsymbol_headers
> MKDIR /home/acme/git/perf-tools-next/tools/perf/libapi/fs/
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/internal/threadmap.h
> CC /home/acme/git/perf-tools-next/tools/perf/libapi/str_error_r.o
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libapi/include/api/fs/fs.h
> CC /home/acme/git/perf-tools-next/tools/perf/libperf/zalloc.o
> CC /home/acme/git/perf-tools-next/tools/perf/libapi/fs/fs.o
> MKDIR /home/acme/git/perf-tools-next/tools/perf/libapi/fs/
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libapi/include/api/fs/tracing_path.h
> CC /home/acme/git/perf-tools-next/tools/perf/libperf/xyarray.o
> INSTALL /home/acme/git/perf-tools-next/tools/perf/libperf/include/internal/xyarray.h
> CC /home/acme/git/perf-tools-next/tools/perf/libapi/fs/tracing_path.o
> LINK dlfilters/dlfilter-show-cycles.so
> CC /home/acme/git/perf-tools-next/tools/perf/libapi/fs/cgroup.o
> CC /home/acme/git/perf-tools-next/tools/perf/libperf/lib.o
> INSTALL libperf_headers
> INSTALL libapi_headers
> LINK dlfilters/dlfilter-test-api-v0.so
> LINK dlfilters/dlfilter-test-api-v2.so
> LD /home/acme/git/perf-tools-next/tools/perf/libapi/fd/libapi-in.o
> LD /home/acme/git/perf-tools-next/tools/perf/libsymbol/libsymbol-in.o
> AR /home/acme/git/perf-tools-next/tools/perf/libsymbol/libsymbol.a
> LD /home/acme/git/perf-tools-next/tools/perf/libapi/fs/libapi-in.o
> LD /home/acme/git/perf-tools-next/tools/perf/libapi/libapi-in.o
> AR /home/acme/git/perf-tools-next/tools/perf/libapi/libapi.a
> CC /home/acme/git/perf-tools-next/tools/perf/libsubcmd/exec-cmd.o
> CC /home/acme/git/perf-tools-next/tools/perf/libsubcmd/help.o
> CC /home/acme/git/perf-tools-next/tools/perf/libsubcmd/pager.o
> CC /home/acme/git/perf-tools-next/tools/perf/libsubcmd/parse-options.o
> CC /home/acme/git/perf-tools-next/tools/perf/libsubcmd/run-command.o
> CC /home/acme/git/perf-tools-next/tools/perf/libsubcmd/sigchain.o
> CC /home/acme/git/perf-tools-next/tools/perf/libsubcmd/subcmd-config.o
> LD /home/acme/git/perf-tools-next/tools/perf/libperf/libperf-in.o
> AR /home/acme/git/perf-tools-next/tools/perf/libperf/libperf.a
> LD /home/acme/git/perf-tools-next/tools/perf/libsubcmd/libsubcmd-in.o
> AR /home/acme/git/perf-tools-next/tools/perf/libsubcmd/libsubcmd.a
> CC builtin-bench.o
> CC builtin-annotate.o
> CC bench/sched-messaging.o
> CC ui/setup.o
> CC bench/sched-pipe.o
> CC ui/helpline.o
> CC tests/builtin-test.o
> CC builtin-check.o
> CC bench/sched-seccomp-notify.o
> CC tests/tests-scripts.o
> CC builtin-config.o
> CC ui/progress.o
> CC bench/syscall.o
> CC builtin-diff.o
> CC tests/parse-events.o
> LD scripts/perf-util-in.o
> CC arch/common.o
> CC bench/mem-functions.o
> CC ui/util.o
> CC tests/dso-data.o
> CC builtin-evlist.o
> CC builtin-ftrace.o
> CC tests/vmlinux-kallsyms.o
> CC bench/futex.o
> CC ui/hist.o
> CC bench/futex-hash.o
> CC builtin-help.o
> CC bench/futex-wake.o
> CC arch/x86/tests/arch-tests.o
> CC arch/x86/util/header.o
> CC arch/x86/tests/hybrid.o
> CC ui/stdio/hist.o
> CC util/annotate-arch/annotate-arc.o
> CC util/annotate-arch/annotate-arm.o
> CC bench/futex-wake-parallel.o
> CC arch/x86/tests/intel-pt-test.o
> CC arch/x86/tests/bp-modify.o
> CC arch/x86/tests/amd-ibs-via-core-pmu.o
> CC arch/x86/util/tsc.o
> CC arch/x86/util/pmu.o
> CC tests/openat-syscall.o
> CC tests/openat-syscall-all-cpus.o
> CC tests/mmap-basic.o
> CC tests/perf-record.o
> GEN pmu-events/arch/x86/amdzen1/extra-metrics.json
> CC util/annotate-arch/annotate-arm64.o
> CC util/annotate-arch/annotate-csky.o
> GEN pmu-events/arch/x86/amdzen2/extra-metrics.json
> CC tests/evsel-roundtrip-name.o
> GEN pmu-events/arch/x86/amdzen3/extra-metrics.json
> CC util/annotate-arch/annotate-loongarch.o
> CC arch/x86/tests/amd-ibs-period.o
> CC util/perf-regs-arch/perf_regs_aarch64.o
> CC builtin-buildid-list.o
> CC arch/x86/tests/topdown.o
> CC tests/fdarray.o
> GEN pmu-events/arch/x86/amdzen4/extra-metrics.json
> CC arch/x86/util/perf_regs.o
> LD util/kvm-stat-arch/perf-util-in.o
> GEN pmu-events/arch/x86/amdzen5/extra-metrics.json
> CC util/perf-regs-arch/perf_regs_arm.o
> CC bench/futex-requeue.o
> CC util/annotate-arch/annotate-mips.o
> CC util/annotate-arch/annotate-powerpc.o
> CC util/annotate-arch/annotate-x86.o
> CC util/intel-pt-decoder/intel-pt-pkt-decoder.o
> GEN pmu-events/arch/x86/amdzen6/extra-metrics.json
> CC arch/x86/util/topdown.o
> CC util/arm-spe-decoder/arm-spe-pkt-decoder.o
> CC util/perf-regs-arch/perf_regs_csky.o
> CC util/perf-regs-arch/perf_regs_loongarch.o
> CC util/perf-regs-arch/perf_regs_mips.o
> CC util/hisi-ptt-decoder/hisi-ptt-pkt-decoder.o
> CC arch/x86/util/machine.o
> GEN pmu-events/arch/x86/amdzen1/extra-metricgroups.json
> CC bench/futex-lock-pi.o
> CC util/arm-spe-decoder/arm-spe-decoder.o
> CC builtin-buildid-cache.o
> GEN pmu-events/arch/x86/amdzen2/extra-metricgroups.json
> CC util/perf-regs-arch/perf_regs_powerpc.o
> CC bench/epoll-wait.o
> CC util/perf-regs-arch/perf_regs_riscv.o
> LD util/scripting-engines/perf-util-in.o
> GEN pmu-events/arch/x86/amdzen3/extra-metricgroups.json
> CC util/annotate-arch/annotate-riscv64.o
> CC util/perf-regs-arch/perf_regs_s390.o
> CC arch/x86/util/event.o
> CC util/annotate-arch/annotate-s390.o
> CC tests/pmu.o
> LD util/hisi-ptt-decoder/perf-util-in.o
> CC tests/pmu-events.o
> CC util/arm64-frame-pointer-unwind-support.o
> CC tests/hists_common.o
> CC util/perf-regs-arch/perf_regs_x86.o
> GEN pmu-events/arch/x86/amdzen4/extra-metricgroups.json
> CC util/intel-pt-decoder/intel-pt-insn-decoder.o
> CC util/intel-pt-decoder/intel-pt-log.o
> CC bench/epoll-ctl.o
> CC util/addr2line.o
> CC util/addr_location.o
> CC tests/hists_link.o
> LD util/perf-regs-arch/perf-util-in.o
> CC util/intel-pt-decoder/intel-pt-decoder.o
> GEN util/intel-pt-decoder/inat-tables.c
> CC arch/x86/util/evlist.o
> GEN pmu-events/arch/x86/amdzen5/extra-metricgroups.json
> GEN pmu-events/arch/x86/amdzen6/extra-metricgroups.json
> CC bench/synthesize.o
> LD util/arm-spe-decoder/perf-util-in.o
> CC bench/kallsyms-parse.o
> CC tests/hists_filter.o
> CC util/annotate-arch/annotate-sparc.o
> CC tests/hists_output.o
> CC arch/x86/util/mem-events.o
> LD arch/x86/tests/perf-test-in.o
> CC arch/x86/util/evsel.o
> LD arch/x86/perf-test-in.o
> CC bench/find-bit-bench.o
> CC builtin-kallsyms.o
> LD arch/perf-test-in.o
> CC builtin-list.o
> CC builtin-record.o
> GEN pmu-events/arch/arm64/arm/cortex-a34/extra-metrics.json
> CC util/intel-pt-decoder/insn.o
> CC util/intel-pt-decoder/inat.o
> CC util/annotate.o
> CC bench/inject-buildid.o
> CC tests/hists_cumulate.o
> LD util/annotate-arch/perf-util-in.o
> CC tests/bp_signal.o
> CC builtin-report.o
> CC builtin-stat.o
> CC bench/evlist-open-close.o
> CC bench/breakpoint.o
> CC bench/pmu-scan.o
> CC util/blake2s.o
> GEN pmu-events/arch/arm64/arm/cortex-a35/extra-metrics.json
> CC bench/uprobe.o
> CC tests/bp_signal_overflow.o
> CC arch/x86/util/iostat.o
> CC builtin-top.o
> CC util/block-info.o
> CC util/block-range.o
> GEN pmu-events/arch/arm64/arm/cortex-a510/extra-metrics.json
> CC bench/mem-memcpy-x86-64-asm.o
> GEN pmu-events/arch/arm64/arm/cortex-a53/extra-metrics.json
> CC builtin-script.o
> CC arch/x86/util/auxtrace.o
> CC util/build-id.o
> CC builtin-kvm.o
> CC bench/mem-memset-x86-64-asm.o
> CC builtin-inject.o
> CC tests/bp_account.o
> CC arch/x86/util/intel-pt.o
> CC util/cacheline.o
> CC builtin-mem.o
> GEN pmu-events/arch/arm64/arm/cortex-a55/extra-metrics.json
> CC tests/wp.o
> CC arch/x86/util/intel-bts.o
> CC tests/task-exit.o
> CC builtin-data.o
> LD bench/perf-bench-in.o
> CC builtin-version.o
> LD perf-bench-in.o
> CC builtin-c2c.o
> GEN pmu-events/arch/arm64/arm/cortex-a57-a72/extra-metrics.json
> CC builtin-daemon.o
> AR libperf-bench.a
> CC util/config.o
> CC util/copyfile.o
> CC perf.o
> GEN pmu-events/arch/arm64/arm/cortex-a65-e1/extra-metrics.json
> LD arch/perf-in.o
> CC tests/sw-clock.o
> CC tests/mmap-thread-lookup.o
> GEN pmu-events/arch/arm64/arm/cortex-a710/extra-metrics.json
> CC tests/thread-maps-share.o
> CC tests/keep-tracking.o
> CC util/ctype.o
> CC util/db-export.o
> GEN pmu-events/arch/arm64/arm/cortex-a73/extra-metrics.json
> CC util/disasm.o
> CC tests/code-reading.o
> CC tests/sample-parsing.o
> CC tests/parse-no-sample-id-all.o
> GEN pmu-events/arch/arm64/arm/cortex-a75/extra-metrics.json
> CC tests/kmod-path.o
> CC util/env.o
> CC tests/thread-map.o
> GEN pmu-events/arch/arm64/arm/cortex-a76/extra-metrics.json
> CC util/event.o
> CC util/evlist.o
> CC util/sideband_evlist.o
> CC tests/topology.o
> GEN pmu-events/arch/arm64/arm/cortex-a77/extra-metrics.json
> CC util/evsel.o
> CC tests/mem.o
> CC util/evsel_fprintf.o
> CC util/perf_event_attr_fprintf.o
> CC util/evswitch.o
> CC util/find_bit.o
> GEN pmu-events/arch/arm64/arm/cortex-a78/extra-metrics.json
> CC tests/cpumap.o
> CC util/levenshtein.o
> CC tests/stat.o
> GEN pmu-events/arch/arm64/arm/cortex-x1/extra-metrics.json
> CC util/llvm.o
> CXX util/llvm-c-helpers.o
> GEN pmu-events/arch/arm64/arm/cortex-x2/extra-metrics.json
> CC util/mmap.o
> CC tests/event_update.o
> CC tests/event-times.o
> CC tests/expr.o
> CC util/memswap.o
> BISON util/parse-events-bison.c
> LD arch/x86/util/perf-util-in.o
> LD arch/x86/perf-util-in.o
> GEN pmu-events/arch/arm64/arm/neoverse-n1/extra-metrics.json
> LD arch/perf-util-in.o
> CC tests/backward-ring-buffer.o
> CC tests/sdt.o
> CC tests/is_printable_array.o
> CC util/print-events.o
> CC tests/bitmap.o
> GEN pmu-events/arch/arm64/arm/neoverse-n2-v2/extra-metrics.json
> CC tests/perf-hooks.o
> CC util/tracepoint.o
> CC tests/unit_number__scnprintf.o
> CC util/perf_regs.o
> CC util/path.o
> CC util/print_binary.o
> GEN pmu-events/arch/arm64/arm/neoverse-n3/extra-metrics.json
> CC tests/mem2node.o
> CC tests/maps.o
> CC tests/time-utils-test.o
> CC util/print_insn.o
> CC tests/genelf.o
> CC tests/api-io.o
> CC util/rlimit.o
> CC util/argv_split.o
> CC tests/demangle-java-test.o
> GEN pmu-events/arch/arm64/arm/neoverse-v1/extra-metrics.json
> GEN pmu-events/arch/arm64/arm/neoverse-v3/extra-metrics.json
> CC util/rbtree.o
> CC util/libstring.o
> CC tests/demangle-ocaml-test.o
> CC tests/demangle-rust-v0-test.o
> CC tests/pfm.o
> CC tests/parse-metric.o
> CC tests/pe-file-parsing.o
> CC util/bitmap.o
> CC tests/expand-cgroup.o
> GEN pmu-events/arch/arm64/arm/cortex-a34/extra-metricgroups.json
> CC util/hweight.o
> CC tests/perf-time-to-tsc.o
> GEN pmu-events/arch/arm64/arm/cortex-a35/extra-metricgroups.json
> CC util/smt.o
> CC tests/dlfilter-test.o
> CC tests/sigtrap.o
> GEN pmu-events/arch/arm64/arm/cortex-a510/extra-metricgroups.json
> CC util/strbuf.o
> CC tests/event_groups.o
> CC tests/symbols.o
> CC tests/util.o
> GEN pmu-events/arch/arm64/arm/cortex-a53/extra-metricgroups.json
> CC tests/hwmon_pmu.o
> CC util/string.o
> GEN pmu-events/arch/arm64/arm/cortex-a55/extra-metricgroups.json
> CC tests/tool_pmu.o
> CC util/strlist.o
> CC util/strfilter.o
> GEN pmu-events/arch/arm64/arm/cortex-a57-a72/extra-metricgroups.json
> CC util/top.o
> GEN pmu-events/arch/arm64/arm/cortex-a65-e1/extra-metricgroups.json
> CC util/usage.o
> CC util/dso.o
> CC tests/subcmd-help.o
> CC tests/kallsyms-split.o
> GEN pmu-events/arch/arm64/arm/cortex-a710/extra-metricgroups.json
> CC tests/workloads/noploop.o
> CC util/dsos.o
> CC util/symbol.o
> GEN pmu-events/arch/arm64/arm/cortex-a73/extra-metricgroups.json
> CC util/symbol_fprintf.o
> CC util/map_symbol.o
> CC tests/workloads/thloop.o
> CC tests/workloads/leafloop.o
> GEN pmu-events/arch/arm64/arm/cortex-a75/extra-metricgroups.json
> CC util/color.o
> CC util/color_config.o
> LD util/intel-pt-decoder/perf-util-in.o
> CC tests/workloads/sqrtloop.o
> GEN pmu-events/arch/arm64/arm/cortex-a76/extra-metricgroups.json
> CC tests/workloads/brstack.o
> CC tests/workloads/datasym.o
> CC tests/workloads/landlock.o
> CC tests/workloads/traploop.o
> CC tests/workloads/inlineloop.o
> GEN pmu-events/arch/arm64/arm/cortex-a77/extra-metricgroups.json
> CC util/metricgroup.o
> CC util/header.o
> CC util/callchain.o
> CC util/values.o
> GEN pmu-events/arch/arm64/arm/cortex-a78/extra-metricgroups.json
> CC util/fncache.o
> CC util/debug.o
> CC util/machine.o
> CC util/map.o
> GEN pmu-events/arch/arm64/arm/cortex-x1/extra-metricgroups.json
> CC util/maps.o
> CC util/pstack.o
> GEN pmu-events/arch/arm64/arm/cortex-x2/extra-metricgroups.json
> CC util/session.o
> CC util/tool.o
> CC util/sample.o
> CC util/sample-raw.o
> GEN pmu-events/arch/arm64/arm/neoverse-n1/extra-metricgroups.json
> CC util/s390-sample-raw.o
> CC util/amd-sample-raw.o
> LD tests/workloads/perf-test-in.o
> LD tests/perf-test-in.o
> GEN pmu-events/arch/arm64/arm/neoverse-n2-v2/extra-metricgroups.json
> LD perf-test-in.o
> CC util/ordered-events.o
> GEN pmu-events/arch/arm64/arm/neoverse-n3/extra-metricgroups.json
> CC util/namespaces.o
> CC util/comm.o
> AR libperf-test.a
> GEN pmu-events/arch/arm64/arm/neoverse-v1/extra-metricgroups.json
> CC util/thread.o
> CC util/threads.o
> CC util/thread_map.o
> CC util/parse-events-bison.o
> GEN pmu-events/arch/arm64/arm/neoverse-v3/extra-metricgroups.json
> BISON util/pmu-bison.c
> GEN pmu-events/arch/x86/alderlake/extra-metrics.json
> CC util/pmus.o
> CC util/drm_pmu.o
> GEN pmu-events/arch/x86/alderlaken/extra-metrics.json
> GEN pmu-events/arch/x86/arrowlake/extra-metrics.json
> CC util/hwmon_pmu.o
> GEN pmu-events/arch/x86/bonnell/extra-metrics.json
> CC util/tool_pmu.o
> GEN pmu-events/arch/x86/broadwell/extra-metrics.json
> CC util/tp_pmu.o
> GEN pmu-events/arch/x86/broadwellde/extra-metrics.json
> GEN pmu-events/arch/x86/broadwellx/extra-metrics.json
> GEN pmu-events/arch/x86/cascadelakex/extra-metrics.json
> CC util/svghelper.o
> CC util/trace-event-info.o
> GEN pmu-events/arch/x86/clearwaterforest/extra-metrics.json
> CC util/trace-event-scripting.o
> GEN pmu-events/arch/x86/elkhartlake/extra-metrics.json
> LD ui/perf-ui-in.o
> LD perf-ui-in.o
> GEN pmu-events/arch/x86/emeraldrapids/extra-metrics.json
> CC util/sort.o
> GEN pmu-events/arch/x86/goldmont/extra-metrics.json
> GEN pmu-events/arch/x86/goldmontplus/extra-metrics.json
> AR libperf-ui.a
> CC util/hist.o
> GEN pmu-events/arch/x86/grandridge/extra-metrics.json
> CC util/util.o
> CC util/cpumap.o
> CC util/affinity.o
> CC util/cputopo.o
> GEN pmu-events/arch/x86/graniterapids/extra-metrics.json
> GEN pmu-events/arch/x86/haswell/extra-metrics.json
> CC util/cgroup.o
> GEN pmu-events/arch/x86/haswellx/extra-metrics.json
> CC util/target.o
> GEN pmu-events/arch/x86/icelake/extra-metrics.json
> CC util/rblist.o
> CC util/intlist.o
> CC util/vdso.o
> GEN pmu-events/arch/x86/icelakex/extra-metrics.json
> CC util/counts.o
> CC util/stat.o
> GEN pmu-events/arch/x86/ivybridge/extra-metrics.json
> CC util/stat-shadow.o
> GEN pmu-events/arch/x86/ivytown/extra-metrics.json
> GEN pmu-events/arch/x86/jaketown/extra-metrics.json
> GEN pmu-events/arch/x86/knightslanding/extra-metrics.json
> CC util/stat-display.o
> GEN pmu-events/arch/x86/lunarlake/extra-metrics.json
> CC util/perf_api_probe.o
> CC util/record.o
> CC util/srcline.o
> CC util/srccode.o
> GEN pmu-events/arch/x86/meteorlake/extra-metrics.json
> CC util/synthetic-events.o
> CC util/data.o
> CC util/tsc.o
> GEN pmu-events/arch/x86/nehalemep/extra-metrics.json
> GEN pmu-events/arch/x86/nehalemex/extra-metrics.json
> GEN pmu-events/arch/x86/pantherlake/extra-metrics.json
> CC util/cloexec.o
> GEN pmu-events/arch/x86/rocketlake/extra-metrics.json
> CC util/call-path.o
> CC util/rwsem.o
> CC util/thread-stack.o
> GEN pmu-events/arch/x86/sandybridge/extra-metrics.json
> CC util/spark.o
> GEN pmu-events/arch/x86/sapphirerapids/extra-metrics.json
> GEN pmu-events/arch/x86/sierraforest/extra-metrics.json
> CC util/topdown.o
> CC util/iostat.o
> GEN pmu-events/arch/x86/silvermont/extra-metrics.json
> CC util/stream.o
> GEN pmu-events/arch/x86/skylake/extra-metrics.json
> CC util/lock-contention.o
> CC util/auxtrace.o
> GEN pmu-events/arch/x86/skylakex/extra-metrics.json
> CC util/intel-pt.o
> GEN pmu-events/arch/x86/snowridgex/extra-metrics.json
> CC util/intel-bts.o
> GEN pmu-events/arch/x86/tigerlake/extra-metrics.json
> CC util/arm-spe.o
> CC util/hisi-ptt.o
> CC util/s390-cpumsf.o
> CC util/powerpc-vpadtl.o
> GEN pmu-events/arch/x86/westmereep-dp/extra-metrics.json
> LD perf-in.o
> GEN pmu-events/arch/x86/westmereep-sp/extra-metrics.json
> CC util/cs-etm-base.o
> CC util/parse-branch-options.o
> CC util/dump-insn.o
> GEN pmu-events/arch/x86/westmereex/extra-metrics.json
> GEN pmu-events/arch/x86/alderlake/extra-metricgroups.json
> GEN pmu-events/arch/x86/alderlaken/extra-metricgroups.json
> CC util/parse-regs-options.o
> CC util/parse-sublevel-options.o
> CC util/term.o
> CC util/help-unknown-cmd.o
> CC util/dlfilter.o
> CC util/mem-events.o
> GEN pmu-events/arch/x86/arrowlake/extra-metricgroups.json
> CC util/mem-info.o
> GEN pmu-events/arch/x86/bonnell/extra-metricgroups.json
> CC util/vsprintf.o
> CC util/units.o
> GEN pmu-events/arch/x86/broadwell/extra-metricgroups.json
> CC util/time-utils.o
> BISON util/expr-bison.c
> CC util/branch.o
> CC util/mem2node.o
> GEN pmu-events/arch/x86/broadwellde/extra-metricgroups.json
> CC util/clockid.o
> CC util/list_sort.o
> GEN pmu-events/arch/x86/broadwellx/extra-metricgroups.json
> CC util/mutex.o
> GEN pmu-events/arch/x86/cascadelakex/extra-metricgroups.json
> CC util/sharded_mutex.o
> CC util/intel-tpebs.o
> CC util/hashmap.o
> GEN pmu-events/arch/x86/clearwaterforest/extra-metricgroups.json
> CC util/symbol-minimal.o
> CC util/data-convert-json.o
> CC util/cap.o
> CC util/demangle-ocaml.o
> CC util/demangle-java.o
> GEN pmu-events/arch/x86/elkhartlake/extra-metricgroups.json
> GEN pmu-events/arch/x86/emeraldrapids/extra-metricgroups.json
> CC util/demangle-rust-v0.o
> CC util/perf-hooks.o
> GEN pmu-events/arch/x86/goldmont/extra-metricgroups.json
> FLEX util/parse-events-flex.c
> FLEX util/pmu-flex.c
> CC util/pmu-bison.o
> FLEX util/expr-flex.c
> CC util/expr-bison.o
> CC util/parse-events.o
> GEN pmu-events/arch/x86/goldmontplus/extra-metricgroups.json
> CC util/parse-events-flex.o
> GEN pmu-events/arch/x86/grandridge/extra-metricgroups.json
> GEN pmu-events/arch/x86/graniterapids/extra-metricgroups.json
> CC util/pmu.o
> GEN pmu-events/arch/x86/haswell/extra-metricgroups.json
> CC util/pmu-flex.o
> GEN pmu-events/arch/x86/haswellx/extra-metricgroups.json
> CC util/expr-flex.o
> CC util/expr.o
> GEN pmu-events/arch/x86/icelake/extra-metricgroups.json
> GEN pmu-events/arch/x86/icelakex/extra-metricgroups.json
> GEN pmu-events/arch/x86/ivybridge/extra-metricgroups.json
> GEN pmu-events/arch/x86/ivytown/extra-metricgroups.json
> GEN pmu-events/arch/x86/jaketown/extra-metricgroups.json
> GEN pmu-events/arch/x86/knightslanding/extra-metricgroups.json
> GEN pmu-events/arch/x86/lunarlake/extra-metricgroups.json
> GEN pmu-events/arch/x86/meteorlake/extra-metricgroups.json
> GEN pmu-events/arch/x86/nehalemep/extra-metricgroups.json
> GEN pmu-events/arch/x86/nehalemex/extra-metricgroups.json
> GEN pmu-events/arch/x86/pantherlake/extra-metricgroups.json
> GEN pmu-events/arch/x86/rocketlake/extra-metricgroups.json
> GEN pmu-events/arch/x86/sandybridge/extra-metricgroups.json
> GEN pmu-events/arch/x86/sapphirerapids/extra-metricgroups.json
> GEN pmu-events/arch/x86/sierraforest/extra-metricgroups.json
> GEN pmu-events/arch/x86/silvermont/extra-metricgroups.json
> GEN pmu-events/arch/x86/skylake/extra-metricgroups.json
> GEN pmu-events/arch/x86/skylakex/extra-metricgroups.json
> GEN pmu-events/arch/x86/snowridgex/extra-metricgroups.json
> GEN pmu-events/arch/x86/tigerlake/extra-metricgroups.json
> GEN pmu-events/arch/x86/westmereep-dp/extra-metricgroups.json
> GEN pmu-events/arch/x86/westmereep-sp/extra-metricgroups.json
> GEN pmu-events/arch/x86/westmereex/extra-metricgroups.json
> TEST pmu-events/metric_test.log
> GEN pmu-events/test-empty-pmu-events.c
> TEST pmu-events/empty-pmu-events.log
> GEN pmu-events/pmu-events.c
> LD util/perf-util-in.o
> LD perf-util-in.o
> AR libperf-util.a
> CC pmu-events/pmu-events.o
> LD pmu-events/pmu-events-in.o
> AR libpmu-events.a
> LINK perf
> /usr/bin/ld: libperf-util.a(perf-util-in.o): in function `symbol__disassemble_llvm':
> (.text+0x30712): warning: Using 'dlopen' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
> /usr/bin/ld: libperf-util.a(perf-util-in.o): in function `parse_uid':
> (.text+0xb4cd5): warning: Using 'getpwnam_r' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
> /usr/bin/ld: (.text+0xb4d3a): warning: Using 'getpwuid_r' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
> /usr/bin/ld: perf-in.o: in function `cmd_kvm':
> (.text+0x37078): undefined reference to `kvm_add_default_arch_event'
> /usr/bin/ld: (.text+0x3719c): undefined reference to `kvm_add_default_arch_event'
> /usr/bin/ld: (.text+0x3735a): undefined reference to `kvm_add_default_arch_event'
> /usr/bin/ld: (.text+0x373bb): undefined reference to `kvm_add_default_arch_event'
> collect2: error: ld returned 1 exit status
> make[4]: *** [Makefile.perf:806: perf] Error 1
> make[3]: *** [Makefile.perf:286: sub-make] Error 2
> make[2]: *** [Makefile:76: all] Error 2
> test: test -x ./perf
> make[1]: *** [tests/make:337: make_static] Error 1
> make: *** [Makefile:109: build-test] Error 2
> make: Leaving directory '/home/acme/git/perf-tools-next/tools/perf'
>
> real 0m21.807s
> user 2m35.853s
> sys 0m17.941s
> ⬢ [acme@...lbx perf-tools-next]$
>
>
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