Messages in this thread | | | Date | Fri, 3 Dec 2021 11:23:58 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: Building perf with BUILD_BPF_SKEL=1 by default |
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Em Fri, Dec 03, 2021 at 10:28:00AM -0300, Arnaldo Carvalho de Melo escreveu: > Em Fri, Dec 03, 2021 at 10:10:42AM -0300, Arnaldo Carvalho de Melo escreveu: > > Hi Song, > > > > So I'm changing all my containers to build with BUILD_BPF_SKEL=1 > > to then make this the default, so far older containers fail either > > because the clang available is too old, so I've added a NO_BUILD_BPF_SKEL=1 > > env var to disable that in those containers and then there is this other > > case where clang is recent enough but: > > > > util/bpf_skel/bperf_leader.bpf.c:13:20: error: use of undeclared identifier 'BPF_F_PRESERVE_ELEMS' > > __uint(map_flags, BPF_F_PRESERVE_ELEMS); > > > > Because the system's /usr/include/linux/bpf.h doesn't have that > > BPF_F_PRESERVE_ELEMS enum entry. > > > > These are enums to make them available via BTF, but then I can't use > > the: > > > > #ifdef BPF_F_PRESERVE_ELEMS > > #define BPF_F_PRESERVE_ELEMS (1U << 11) > > #endif > > > > approach. > > > > But then we _have_ it in the tools/include/uapi/linux/bpf.h we ship: > > > > $ grep BPF_F_PRESERVE_ELEMS tools/include/uapi/linux/bpf.h > > BPF_F_PRESERVE_ELEMS = (1U << 11), > > $
> > so we need to switch to using it somehow, this way we can build in more > > systems and make bperf and other BPF enabled features.
> > From a quick look I couldn't find where to add > > $(sourcedir)/tools/include/uapi/ to the include path used to build > > util/bpf_skel/bperf_leader.bpf.c, should be easy, can you take a look?
> The failure for fedora:32, which seems to be on the threshold for clang > to be considered recent enough for building skels fails differently:
> clang version 10.0.1 (Fedora 10.0.1-3.fc32)
Amazon Linux 2 fails differently:
clang version 11.1.0 (Amazon Linux 2 11.1.0-1.amzn2.0.2) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /usr/bin Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-redhat-linux/7 Found candidate GCC installation: /usr/lib/gcc/x86_64-redhat-linux/7 Selected GCC installation: /usr/lib/gcc/x86_64-redhat-linux/7 Candidate multilib: .;@m64 Candidate multilib: 32;@m32 Selected multilib: .;@m64 + '[' '!' ']' + rm -rf /tmp/build/perf + mkdir /tmp/build/perf + make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= BUILD_BPF_SKEL=1 -C tools/perf O=/tmp/build/perf make: Entering directory `/git/perf-5.16.0-rc3/tools/perf' BUILD: Doing 'make -j32' parallel build HOSTCC /tmp/build/perf/fixdep.o HOSTLD /tmp/build/perf/fixdep-in.o LINK /tmp/build/perf/fixdep Makefile.config:780: Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev Makefile.config:997: No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev
Auto-detecting system features: ... dwarf: [ on ] ... dwarf_getlocations: [ on ] ... glibc: [ on ] ... libbfd: [ on ] ... libbfd-buildid: [ on ] ... libcap: [ on ] ... libelf: [ on ] ... libnuma: [ on ] ... numa_num_possible_cpus: [ on ] ... libperl: [ OFF ] ... libpython: [ on ] ... libcrypto: [ on ] ... libunwind: [ on ] ... libdw-dwarf-unwind: [ on ] ... zlib: [ on ] ... lzma: [ on ] ... get_cpuid: [ on ] ... bpf: [ on ] ... libaio: [ on ] ... libzstd: [ on ] ... disassembler-four-args: [ on ]
GEN /tmp/build/perf/common-cmds.h PERF_VERSION = 5.16.rc3.g0c338bcdfdb1 GEN perf-archive CC /tmp/build/perf/cpu.o GEN perf-with-kcore MKDIR /tmp/build/perf/fd/ CC /tmp/build/perf/exec-cmd.o MKDIR /tmp/build/perf/fs/ MKDIR /tmp/build/perf/jvmti/ CC /tmp/build/perf/debug.o CC /tmp/build/perf/help.o MKDIR /tmp/build/perf/fs/ GEN perf-iostat CC /tmp/build/perf/str_error_r.o CC /tmp/build/perf/fd/array.o CC /tmp/build/perf/pager.o CC /tmp/build/perf/fs/fs.o CC /tmp/build/perf/jvmti/libjvmti.o CC /tmp/build/perf/parse-options.o CC /tmp/build/perf/fs/tracing_path.o CC /tmp/build/perf/dlfilters/dlfilter-test-api-v0.o MKDIR /tmp/build/perf/jvmti/ CC /tmp/build/perf/run-command.o MKDIR /tmp/build/perf/fs/ CC /tmp/build/perf/event-parse.o CC /tmp/build/perf/jvmti/libstring.o CC /tmp/build/perf/sigchain.o MKDIR /tmp/build/perf/pmu-events/ CC /tmp/build/perf/event-plugin.o CC /tmp/build/perf/subcmd-config.o CC /tmp/build/perf/jvmti/jvmti_agent.o MKDIR /tmp/build/perf/pmu-events/ CC /tmp/build/perf/trace-seq.o CC /tmp/build/perf/fs/cgroup.o CC /tmp/build/perf/jvmti/libctype.o HOSTCC /tmp/build/perf/pmu-events/json.o CC /tmp/build/perf/core.o HOSTCC /tmp/build/perf/pmu-events/jsmn.o CC /tmp/build/perf/cpumap.o CC /tmp/build/perf/plugin_jbd2.o CC /tmp/build/perf/dlfilters/dlfilter-show-cycles.o MKDIR /tmp/build/perf/pmu-events/ CC /tmp/build/perf/parse-filter.o CC /tmp/build/perf/threadmap.o HOSTCC /tmp/build/perf/pmu-events/jevents.o CC /tmp/build/perf/plugin_hrtimer.o CC /tmp/build/perf/parse-utils.o CC /tmp/build/perf/evsel.o CC /tmp/build/perf/plugin_kmem.o CC /tmp/build/perf/kbuffer-parse.o LD /tmp/build/perf/fd/libapi-in.o CC /tmp/build/perf/evlist.o CC /tmp/build/perf/plugin_kvm.o CC /tmp/build/perf/tep_strerror.o CC /tmp/build/perf/mmap.o CC /tmp/build/perf/event-parse-api.o CC /tmp/build/perf/plugin_mac80211.o LD /tmp/build/perf/plugin_jbd2-in.o CC /tmp/build/perf/zalloc.o LINK /tmp/build/perf/dlfilters/dlfilter-test-api-v0.so CC /tmp/build/perf/plugin_sched_switch.o LINK /tmp/build/perf/dlfilters/dlfilter-show-cycles.so CC /tmp/build/perf/plugin_function.o CC /tmp/build/perf/xyarray.o LD /tmp/build/perf/fs/libapi-in.o LD /tmp/build/perf/plugin_hrtimer-in.o CC /tmp/build/perf/plugin_futex.o CC /tmp/build/perf/lib.o CC /tmp/build/perf/plugin_xen.o LD /tmp/build/perf/libapi-in.o LD /tmp/build/perf/plugin_kmem-in.o make[3]: *** No rule to make target `kernelversion'. Stop. CC /tmp/build/perf/plugin_scsi.o CC /tmp/build/perf/plugin_cfg80211.o CC /tmp/build/perf/plugin_tlb.o LINK /tmp/build/perf/plugin_jbd2.so GEN /tmp/build/perf/libbpf/bpf_helper_defs.h LINK /tmp/build/perf/plugin_hrtimer.so INSTALL /tmp/build/perf/libbpf/include/bpf/bpf.h LINK /tmp/build/perf/plugin_kmem.so AR /tmp/build/perf/libapi.a INSTALL /tmp/build/perf/libbpf/include/bpf/libbpf.h LD /tmp/build/perf/plugin_kvm-in.o LD /tmp/build/perf/plugin_sched_switch-in.o INSTALL /tmp/build/perf/libbpf/include/bpf/btf.h LD /tmp/build/perf/plugin_mac80211-in.o INSTALL /tmp/build/perf/libbpf/include/bpf/libbpf_common.h INSTALL /tmp/build/perf/libbpf/include/bpf/libbpf_legacy.h INSTALL /tmp/build/perf/libbpf/include/bpf/xsk.h HOSTLD /tmp/build/perf/pmu-events/jevents-in.o INSTALL /tmp/build/perf/libbpf/include/bpf/bpf_helpers.h INSTALL /tmp/build/perf/libbpf/include/bpf/bpf_tracing.h LD /tmp/build/perf/plugin_function-in.o LINK /tmp/build/perf/plugin_kvm.so INSTALL /tmp/build/perf/libbpf/include/bpf/bpf_endian.h LINK /tmp/build/perf/plugin_sched_switch.so INSTALL /tmp/build/perf/libbpf/include/bpf/bpf_core_read.h INSTALL /tmp/build/perf/libbpf/include/bpf/skel_internal.h LINK /tmp/build/perf/plugin_mac80211.so INSTALL /tmp/build/perf/libbpf/include/bpf/libbpf_version.h LINK /tmp/build/perf/pmu-events/jevents LD /tmp/build/perf/plugin_futex-in.o LINK /tmp/build/perf/plugin_function.so LD /tmp/build/perf/plugin_xen-in.o LINK /tmp/build/perf/plugin_futex.so LD /tmp/build/perf/plugin_cfg80211-in.o LD /tmp/build/perf/plugin_tlb-in.o LINK /tmp/build/perf/plugin_xen.so LD /tmp/build/perf/jvmti/jvmti-in.o LINK /tmp/build/perf/plugin_cfg80211.so LINK /tmp/build/perf/plugin_tlb.so LD /tmp/build/perf/plugin_scsi-in.o INSTALL /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h MKDIR /tmp/build/perf/libbpf/staticobjs/ MKDIR /tmp/build/perf/libbpf/staticobjs/ MKDIR /tmp/build/perf/libbpf/staticobjs/ MKDIR /tmp/build/perf/libbpf/staticobjs/ MKDIR /tmp/build/perf/libbpf/staticobjs/ MKDIR /tmp/build/perf/libbpf/staticobjs/ MKDIR /tmp/build/perf/libbpf/staticobjs/ LINK /tmp/build/perf/libperf-jvmti.so MKDIR /tmp/build/perf/libbpf/staticobjs/ LINK /tmp/build/perf/plugin_scsi.so MKDIR /tmp/build/perf/libbpf/staticobjs/ MKDIR /tmp/build/perf/libbpf/staticobjs/ MKDIR /tmp/build/perf/libbpf/staticobjs/ CC /tmp/build/perf/libbpf/staticobjs/libbpf.o CC /tmp/build/perf/libbpf/staticobjs/btf_dump.o CC /tmp/build/perf/libbpf/staticobjs/bpf.o CC /tmp/build/perf/libbpf/staticobjs/nlattr.o CC /tmp/build/perf/libbpf/staticobjs/btf.o CC /tmp/build/perf/libbpf/staticobjs/libbpf_errno.o CC /tmp/build/perf/libbpf/staticobjs/str_error.o CC /tmp/build/perf/libbpf/staticobjs/ringbuf.o CC /tmp/build/perf/libbpf/staticobjs/netlink.o CC /tmp/build/perf/libbpf/staticobjs/bpf_prog_linfo.o CC /tmp/build/perf/libbpf/staticobjs/libbpf_probes.o CC /tmp/build/perf/libbpf/staticobjs/xsk.o CC /tmp/build/perf/libbpf/staticobjs/strset.o CC /tmp/build/perf/libbpf/staticobjs/hashmap.o CC /tmp/build/perf/libbpf/staticobjs/linker.o CC /tmp/build/perf/libbpf/staticobjs/gen_loader.o CC /tmp/build/perf/libbpf/staticobjs/relo_core.o LD /tmp/build/perf/libsubcmd-in.o GEN /tmp/build/perf/pmu-events/pmu-events.c GEN /tmp/build/perf/libtraceevent-dynamic-list AR /tmp/build/perf/libsubcmd.a LD /tmp/build/perf/libtraceevent-in.o LINK /tmp/build/perf/libtraceevent.a LD /tmp/build/perf/libperf-in.o AR /tmp/build/perf/libperf.a GEN /tmp/build/perf/python/perf.so CC /tmp/build/perf/pmu-events/pmu-events.o
Auto-detecting system features: ... libbfd: [ on ] ... disassembler-four-args: [ on ] ... zlib: [ on ] ... libcap: [ on ] ... clang-bpf-co-re: [ on ]
MKDIR /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf MKDIR /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/ MKDIR /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/ INSTALL /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf/hashmap.h GEN /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/bpf_helper_defs.h INSTALL /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf/bpf.h INSTALL /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf/libbpf.h INSTALL /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf/btf.h INSTALL /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf/libbpf_common.h INSTALL /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf/libbpf_legacy.h INSTALL /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf/xsk.h INSTALL /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf/bpf_helpers.h INSTALL /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf/bpf_tracing.h INSTALL /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf/bpf_endian.h INSTALL /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf/bpf_core_read.h INSTALL /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf/skel_internal.h INSTALL /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf/libbpf_version.h INSTALL /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf//include/bpf/bpf_helper_defs.h MKDIR /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/ MKDIR /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/ MKDIR /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/ MKDIR /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/ MKDIR /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/ MKDIR /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/ MKDIR /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/ MKDIR /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/ MKDIR /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/ CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/xsk.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/libbpf.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/nlattr.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/bpf.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/btf.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/libbpf_errno.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/str_error.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/hashmap.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/bpf_prog_linfo.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/netlink.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/btf_dump.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/libbpf_probes.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/ringbuf.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/strset.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/linker.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/gen_loader.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/relo_core.o LD /tmp/build/perf/pmu-events/pmu-events-in.o LD /tmp/build/perf/libbpf/staticobjs/libbpf-in.o LINK /tmp/build/perf/libbpf/libbpf.a LD /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/libbpf-in.o LINK /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/libbpf.a CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/main.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/json_writer.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/gen.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/common.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/btf.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/xlated_dumper.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/btf_dumper.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/disasm.o LINK /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/bpftool GEN /tmp/build/perf/util/bpf_skel/vmlinux.h CLANG /tmp/build/perf/util/bpf_skel/.tmp/bperf_leader.bpf.o CLANG /tmp/build/perf/util/bpf_skel/.tmp/bpf_prog_profiler.bpf.o CLANG /tmp/build/perf/util/bpf_skel/.tmp/bperf_cgroup.bpf.o CLANG /tmp/build/perf/util/bpf_skel/.tmp/bperf_follower.bpf.o util/bpf_skel/bpf_prog_profiler.bpf.c:18:21: error: invalid application of 'sizeof' to an incomplete type 'struct bpf_perf_event_value' __uint(value_size, sizeof(struct bpf_perf_event_value)); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /tmp/build/perf/libbpf/include/bpf/bpf_helpers.h:13:39: note: expanded from macro '__uint' #define __uint(name, val) int (*name)[val] ^~~ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:26:21: error: invalid application of 'sizeof' to an incomplete type 'struct bpf_perf_event_value' __uint(value_size, sizeof(struct bpf_perf_event_value)); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /tmp/build/perf/libbpf/include/bpf/bpf_helpers.h:13:39: note: expanded from macro '__uint' #define __uint(name, val) int (*name)[val] ^~~ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:45:59: error: invalid application of 'sizeof' to an incomplete type 'struct bpf_perf_event_value' err = bpf_perf_event_read_value(&events, key, ptr, sizeof(*ptr)); ^~~~~~ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:55:39: error: variable has incomplete type 'struct bpf_perf_event_value' struct bpf_perf_event_value *before, diff; ^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:60:22: error: incomplete definition of type 'struct bpf_perf_event_value' if (before && before->counter) { ~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:63:23: error: incomplete definition of type 'struct bpf_perf_event_value' diff.counter = after->counter - before->counter; ~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:63:41: error: incomplete definition of type 'struct bpf_perf_event_value' diff.counter = after->counter - before->counter; ~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:64:23: error: incomplete definition of type 'struct bpf_perf_event_value' diff.enabled = after->enabled - before->enabled; ~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:64:41: error: incomplete definition of type 'struct bpf_perf_event_value' diff.enabled = after->enabled - before->enabled; ~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:65:23: error: incomplete definition of type 'struct bpf_perf_event_value' diff.running = after->running - before->running; ~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:65:41: error: incomplete definition of type 'struct bpf_perf_event_value' diff.running = after->running - before->running; ~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:69:9: error: incomplete definition of type 'struct bpf_perf_event_value' accum->counter += diff.counter; ~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:70:9: error: incomplete definition of type 'struct bpf_perf_event_value' accum->enabled += diff.enabled; ~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:71:9: error: incomplete definition of type 'struct bpf_perf_event_value' accum->running += diff.running; ~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:79:30: error: variable has incomplete type 'struct bpf_perf_event_value' struct bpf_perf_event_value reading; ^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ 15 errors generated. In file included from util/bpf_skel/bperf_follower.bpf.c:7: util/bpf_skel/bperf.h:10:21: error: invalid application of 'sizeof' to an incomplete type 'struct bpf_perf_event_value' In file included from util/bpf_skel/bperf_leader.bpf.c:7: util/bpf_skel/bperf.h:10: __uint(value_size, sizeof(struct bpf_perf_event_value));21 : ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: invalid application of 'sizeof' to an incomplete type 'struct bpf_perf_event_value'/tmp/build/perf/libbpf/include/bpf/bpf_helpers.h :13:39: note: expanded from macro '__uint' #define __uint(name, val) int (*name)[val] ^~~ __uint(value_size, sizeof(struct bpf_perf_event_value)); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /tmp/build/perf/libbpf/include/bpf/bpf_helpers.h:13:39: note: expanded from macro '__uint' #define __uint(name, val) int (*name)[val] ^~~ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bperf_follower.bpf.c:62:11: error: incomplete definition of type 'struct bpf_perf_event_value' accum_val->counter += diff_val->counter; ~~~~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bperf_follower.bpf.c:62:32: error: incomplete definition of type 'struct bpf_perf_event_value' accum_val->counter += diff_val->counter; ~~~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bperf_follower.bpf.c:63:11: error: incomplete definition of type 'struct bpf_perf_event_value' accum_val->enabled += diff_val->enabled; ~~~~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bperf_follower.bpf.c:63:32: error: incomplete definition of type 'struct bpf_perf_event_value' accum_val->enabled += diff_val->enabled; ~~~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bperf_follower.bpf.c:64:11: error: incomplete definition of type 'struct bpf_perf_event_value' accum_val->running += diff_val->running; ~~~~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bperf_follower.bpf.c:64:32: error: incomplete definition of type 'struct bpf_perf_event_value' accum_val->running += diff_val->running; ~~~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bperf_leader.bpf.c:13:20: error: use of undeclared identifier 'BPF_F_PRESERVE_ELEMS' __uint(map_flags, BPF_F_PRESERVE_ELEMS); ^ 7 errors generated. util/bpf_skel/bperf_leader.bpf.c:22:30: error: variable has incomplete type 'struct bpf_perf_event_value' struct bpf_perf_event_value val, *prev_val, *diff_val; ^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bperf_leader.bpf.c:39:10: error: incomplete definition of type 'struct bpf_perf_event_value' diff_val->counter = val.counter - prev_val->counter; ~~~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bperf_leader.bpf.c:39:44: error: incomplete definition of type 'struct bpf_perf_event_value' diff_val->counter = val.counter - prev_val->counter; ~~~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bperf_leader.bpf.c:40:10: error: incomplete definition of type 'struct bpf_perf_event_value' diff_val->enabled = val.enabled - prev_val->enabled; ~~~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bperf_leader.bpf.c:40:44: error: incomplete definition of type 'struct bpf_perf_event_value' diff_val->enabled = val.enabled - prev_val->enabled; ~~~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bperf_leader.bpf.c:41:10: error: incomplete definition of type 'struct bpf_perf_event_value' diff_val->running = val.running - prev_val->running; ~~~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ util/bpf_skel/bperf_leader.bpf.c:41:44: error: incomplete definition of type 'struct bpf_perf_event_value' diff_val->running = val.running - prev_val->running; ~~~~~~~~^ /tmp/build/perf/libbpf/include/bpf/bpf_helper_defs.h:7:8: note: forward declaration of 'struct bpf_perf_event_value' struct bpf_perf_event_value; ^ 9 errors generated. make[2]: *** [/tmp/build/perf/util/bpf_skel/.tmp/bpf_prog_profiler.bpf.o] Error 1 make[2]: *** Waiting for unfinished jobs.... make[2]: *** [/tmp/build/perf/util/bpf_skel/.tmp/bperf_follower.bpf.o] Error 1 make[2]: *** [/tmp/build/perf/util/bpf_skel/.tmp/bperf_leader.bpf.o] Error 1 make[1]: *** [sub-make] Error 2 make: *** [all] Error 2 make: Leaving directory `/git/perf-5.16.0-rc3/tools/perf' + exit 1 29.38 amazonlinux:2 : FAIL clang version 11.1.0 (Amazon Linux 2 11.1.0-1.amzn2.0.2) util/bpf_skel/bpf_prog_profiler.bpf.c:18:21: error: invalid application of 'sizeof' to an incomplete type 'struct bpf_perf_event_value' __uint(value_size, sizeof(struct bpf_perf_event_value)); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #define __uint(name, val) int (*name)[val] ^~~ struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:26:21: error: invalid application of 'sizeof' to an incomplete type 'struct bpf_perf_event_value' __uint(value_size, sizeof(struct bpf_perf_event_value)); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #define __uint(name, val) int (*name)[val] ^~~ struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:45:59: error: invalid application of 'sizeof' to an incomplete type 'struct bpf_perf_event_value' err = bpf_perf_event_read_value(&events, key, ptr, sizeof(*ptr)); ^~~~~~ struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:55:39: error: variable has incomplete type 'struct bpf_perf_event_value' struct bpf_perf_event_value *before, diff; ^ struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:60:22: error: incomplete definition of type 'struct bpf_perf_event_value' if (before && before->counter) { ~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:63:23: error: incomplete definition of type 'struct bpf_perf_event_value' diff.counter = after->counter - before->counter; ~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:63:41: error: incomplete definition of type 'struct bpf_perf_event_value' diff.counter = after->counter - before->counter; ~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:64:23: error: incomplete definition of type 'struct bpf_perf_event_value' diff.enabled = after->enabled - before->enabled; ~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:64:41: error: incomplete definition of type 'struct bpf_perf_event_value' diff.enabled = after->enabled - before->enabled; ~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:65:23: error: incomplete definition of type 'struct bpf_perf_event_value' diff.running = after->running - before->running; ~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:65:41: error: incomplete definition of type 'struct bpf_perf_event_value' diff.running = after->running - before->running; ~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:69:9: error: incomplete definition of type 'struct bpf_perf_event_value' accum->counter += diff.counter; ~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:70:9: error: incomplete definition of type 'struct bpf_perf_event_value' accum->enabled += diff.enabled; ~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:71:9: error: incomplete definition of type 'struct bpf_perf_event_value' accum->running += diff.running; ~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bpf_prog_profiler.bpf.c:79:30: error: variable has incomplete type 'struct bpf_perf_event_value' struct bpf_perf_event_value reading; ^ struct bpf_perf_event_value; ^ 15 errors generated. In file included from util/bpf_skel/bperf_follower.bpf.c:7: util/bpf_skel/bperf.h:10:21: error: invalid application of 'sizeof' to an incomplete type 'struct bpf_perf_event_value' In file included from util/bpf_skel/bperf_leader.bpf.c:7: util/bpf_skel/bperf.h:10: __uint(value_size, sizeof(struct bpf_perf_event_value));21 : ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ :13:39: note: expanded from macro '__uint' #define __uint(name, val) int (*name)[val] ^~~ __uint(value_size, sizeof(struct bpf_perf_event_value)); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #define __uint(name, val) int (*name)[val] ^~~ struct bpf_perf_event_value; ^ struct bpf_perf_event_value; ^ util/bpf_skel/bperf_follower.bpf.c:62:11: error: incomplete definition of type 'struct bpf_perf_event_value' accum_val->counter += diff_val->counter; ~~~~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bperf_follower.bpf.c:62:32: error: incomplete definition of type 'struct bpf_perf_event_value' accum_val->counter += diff_val->counter; ~~~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bperf_follower.bpf.c:63:11: error: incomplete definition of type 'struct bpf_perf_event_value' accum_val->enabled += diff_val->enabled; ~~~~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bperf_follower.bpf.c:63:32: error: incomplete definition of type 'struct bpf_perf_event_value' accum_val->enabled += diff_val->enabled; ~~~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bperf_follower.bpf.c:64:11: error: incomplete definition of type 'struct bpf_perf_event_value' accum_val->running += diff_val->running; ~~~~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bperf_follower.bpf.c:64:32: error: incomplete definition of type 'struct bpf_perf_event_value' accum_val->running += diff_val->running; ~~~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bperf_leader.bpf.c:13:20: error: use of undeclared identifier 'BPF_F_PRESERVE_ELEMS' __uint(map_flags, BPF_F_PRESERVE_ELEMS); ^ 7 errors generated. util/bpf_skel/bperf_leader.bpf.c:22:30: error: variable has incomplete type 'struct bpf_perf_event_value' struct bpf_perf_event_value val, *prev_val, *diff_val; ^ struct bpf_perf_event_value; ^ util/bpf_skel/bperf_leader.bpf.c:39:10: error: incomplete definition of type 'struct bpf_perf_event_value' diff_val->counter = val.counter - prev_val->counter; ~~~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bperf_leader.bpf.c:39:44: error: incomplete definition of type 'struct bpf_perf_event_value' diff_val->counter = val.counter - prev_val->counter; ~~~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bperf_leader.bpf.c:40:10: error: incomplete definition of type 'struct bpf_perf_event_value' diff_val->enabled = val.enabled - prev_val->enabled; ~~~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bperf_leader.bpf.c:40:44: error: incomplete definition of type 'struct bpf_perf_event_value' diff_val->enabled = val.enabled - prev_val->enabled; ~~~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bperf_leader.bpf.c:41:10: error: incomplete definition of type 'struct bpf_perf_event_value' diff_val->running = val.running - prev_val->running; ~~~~~~~~^ struct bpf_perf_event_value; ^ util/bpf_skel/bperf_leader.bpf.c:41:44: error: incomplete definition of type 'struct bpf_perf_event_value' diff_val->running = val.running - prev_val->running; ~~~~~~~~^ struct bpf_perf_event_value; ^ 9 errors generated. 2 29.3792
real 0m30.510s user 0m0.535s sys 0m0.485s [perfbuilder@five 2]$ [perfbuilder@five 2]$ pwd /var/home/perfbuilder/git/linux-perf-tools-build/amazonlinux/2 [perfbuilder@five 2]$
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