Messages in this thread | | | Date | Fri, 19 Mar 2021 15:41:57 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH v2 1/3] perf-stat: introduce bperf, share hardware PMCs with BPF |
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Em Thu, Mar 18, 2021 at 10:15:13PM +0100, Jiri Olsa escreveu: > On Tue, Mar 16, 2021 at 02:18:35PM -0700, Song Liu wrote: > > bperf is off by default. To enable it, pass --bpf-counters option to > > perf-stat. bperf uses a BPF hashmap to share information about BPF > > programs and maps used by bperf. This map is pinned to bpffs. The default > > path is /sys/fs/bpf/perf_attr_map. The user could change the path with > > option --bpf-attr-map. > > > > Signed-off-by: Song Liu <songliubraving@fb.com> > > Reviewed-by: Jiri Olsa <jolsa@redhat.com>
After applying just this first patch in the series I'm getting this after a 'make -C tools/ clean', now I'm checking if I need some new clang, ideas?
- Arnaldo
[acme@quaco perf]$ make O=/tmp/build/perf -C tools/perf BUILD_BPF_SKEL=1 PYTHON=python3 install-bin make: Entering directory '/home/acme/git/perf/tools/perf' BUILD: Doing 'make -j8' parallel build Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from latest version at 'include/uapi/linux/kvm.h' diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h Warning: Kernel ABI header at 'tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl' differs from latest version at 'arch/mips/kernel/syscalls/syscall_n64.tbl' diff -u tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl
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: [ on ] ... 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 CC /tmp/build/perf/exec-cmd.o MKDIR /tmp/build/perf/fd/ MKDIR /tmp/build/perf/fs/ CC /tmp/build/perf/fs/fs.o CC /tmp/build/perf/event-parse.o CC /tmp/build/perf/fd/array.o CC /tmp/build/perf/core.o GEN /tmp/build/perf/bpf_helper_defs.h CC /tmp/build/perf/event-plugin.o MKDIR /tmp/build/perf/staticobjs/ PERF_VERSION = 5.12.rc2.g3df07f57f205 CC /tmp/build/perf/staticobjs/libbpf.o CC /tmp/build/perf/cpu.o LD /tmp/build/perf/fd/libapi-in.o CC /tmp/build/perf/cpumap.o CC /tmp/build/perf/help.o MKDIR /tmp/build/perf/fs/ CC /tmp/build/perf/fs/tracing_path.o CC /tmp/build/perf/fs/cgroup.o CC /tmp/build/perf/trace-seq.o CC /tmp/build/perf/pager.o CC /tmp/build/perf/parse-options.o LD /tmp/build/perf/fs/libapi-in.o CC /tmp/build/perf/debug.o CC /tmp/build/perf/str_error_r.o CC /tmp/build/perf/run-command.o CC /tmp/build/perf/sigchain.o LD /tmp/build/perf/libapi-in.o AR /tmp/build/perf/libapi.a CC /tmp/build/perf/subcmd-config.o CC /tmp/build/perf/threadmap.o CC /tmp/build/perf/evsel.o CC /tmp/build/perf/parse-filter.o MKDIR /tmp/build/perf/staticobjs/ CC /tmp/build/perf/staticobjs/bpf.o CC /tmp/build/perf/evlist.o CC /tmp/build/perf/parse-utils.o CC /tmp/build/perf/kbuffer-parse.o CC /tmp/build/perf/tep_strerror.o CC /tmp/build/perf/mmap.o CC /tmp/build/perf/zalloc.o CC /tmp/build/perf/event-parse-api.o LD /tmp/build/perf/libsubcmd-in.o AR /tmp/build/perf/libsubcmd.a CC /tmp/build/perf/xyarray.o LD /tmp/build/perf/libtraceevent-in.o LINK /tmp/build/perf/libtraceevent.a CC /tmp/build/perf/staticobjs/nlattr.o CC /tmp/build/perf/staticobjs/btf.o CC /tmp/build/perf/lib.o CC /tmp/build/perf/staticobjs/libbpf_errno.o CC /tmp/build/perf/staticobjs/str_error.o CC /tmp/build/perf/staticobjs/netlink.o CC /tmp/build/perf/staticobjs/bpf_prog_linfo.o CC /tmp/build/perf/staticobjs/libbpf_probes.o LD /tmp/build/perf/libperf-in.o AR /tmp/build/perf/libperf.a MKDIR /tmp/build/perf/pmu-events/ HOSTCC /tmp/build/perf/pmu-events/json.o CC /tmp/build/perf/plugin_jbd2.o CC /tmp/build/perf/staticobjs/xsk.o MKDIR /tmp/build/perf/pmu-events/ HOSTCC /tmp/build/perf/pmu-events/jsmn.o CC /tmp/build/perf/staticobjs/hashmap.o LD /tmp/build/perf/plugin_jbd2-in.o CC /tmp/build/perf/staticobjs/btf_dump.o CC /tmp/build/perf/plugin_hrtimer.o HOSTCC /tmp/build/perf/pmu-events/jevents.o LD /tmp/build/perf/plugin_hrtimer-in.o CC /tmp/build/perf/plugin_kmem.o CC /tmp/build/perf/staticobjs/ringbuf.o LD /tmp/build/perf/plugin_kmem-in.o CC /tmp/build/perf/plugin_kvm.o HOSTLD /tmp/build/perf/pmu-events/jevents-in.o CC /tmp/build/perf/perf-read-vdso32 CC /tmp/build/perf/plugin_mac80211.o LD /tmp/build/perf/plugin_kvm-in.o CC /tmp/build/perf/plugin_sched_switch.o CC /tmp/build/perf/plugin_function.o MKDIR /tmp/build/perf/jvmti/ CC /tmp/build/perf/jvmti/libjvmti.o LD /tmp/build/perf/plugin_mac80211-in.o GEN perf-archive LD /tmp/build/perf/plugin_sched_switch-in.o CC /tmp/build/perf/plugin_futex.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_futex-in.o LD /tmp/build/perf/plugin_xen-in.o LINK /tmp/build/perf/plugin_jbd2.so LINK /tmp/build/perf/plugin_hrtimer.so CC /tmp/build/perf/plugin_tlb.o LINK /tmp/build/perf/plugin_kmem.so LINK /tmp/build/perf/plugin_kvm.so LD /tmp/build/perf/plugin_scsi-in.o LINK /tmp/build/perf/plugin_mac80211.so LINK /tmp/build/perf/plugin_sched_switch.so LINK /tmp/build/perf/plugin_function.so LINK /tmp/build/perf/plugin_futex.so LD /tmp/build/perf/plugin_cfg80211-in.o LINK /tmp/build/perf/plugin_xen.so LINK /tmp/build/perf/plugin_scsi.so LD /tmp/build/perf/plugin_tlb-in.o MKDIR /tmp/build/perf/jvmti/ LINK /tmp/build/perf/plugin_cfg80211.so CC /tmp/build/perf/jvmti/jvmti_agent.o LINK /tmp/build/perf/plugin_tlb.so GEN perf-with-kcore CC /tmp/build/perf/jvmti/libstring.o CFLAGS= make -C ../bpf/bpftool \ OUTPUT=/tmp/build/perf/util/bpf_skel/.tmp/ bootstrap CC /tmp/build/perf/jvmti/libctype.o GEN /tmp/build/perf/libtraceevent-dynamic-list LINK /tmp/build/perf/pmu-events/jevents DESCEND plugins GEN /tmp/build/perf/python/perf.so GEN /tmp/build/perf/pmu-events/pmu-events.c CC /tmp/build/perf/plugins/plugin_jbd2.o CC /tmp/build/perf/plugins/plugin_hrtimer.o LD /tmp/build/perf/plugins/plugin_jbd2-in.o LD /tmp/build/perf/plugins/plugin_hrtimer-in.o CC /tmp/build/perf/plugins/plugin_kmem.o CC /tmp/build/perf/plugins/plugin_kvm.o LD /tmp/build/perf/jvmti/jvmti-in.o LD /tmp/build/perf/plugins/plugin_kmem-in.o LINK /tmp/build/perf/libperf-jvmti.so CC /tmp/build/perf/plugins/plugin_mac80211.o CC /tmp/build/perf/plugins/plugin_sched_switch.o CC /tmp/build/perf/pmu-events/pmu-events.o LD /tmp/build/perf/plugins/plugin_kvm-in.o CC /tmp/build/perf/plugins/plugin_function.o LD /tmp/build/perf/plugins/plugin_mac80211-in.o CC /tmp/build/perf/plugins/plugin_futex.o LD /tmp/build/perf/plugins/plugin_sched_switch-in.o CC /tmp/build/perf/plugins/plugin_xen.o LD /tmp/build/perf/plugins/plugin_function-in.o CC /tmp/build/perf/plugins/plugin_scsi.o LD /tmp/build/perf/plugins/plugin_futex-in.o CC /tmp/build/perf/plugins/plugin_cfg80211.o LD /tmp/build/perf/plugins/plugin_xen-in.o CC /tmp/build/perf/plugins/plugin_tlb.o LD /tmp/build/perf/plugins/plugin_scsi-in.o LD /tmp/build/perf/plugins/plugin_cfg80211-in.o LINK /tmp/build/perf/plugins/plugin_jbd2.so LINK /tmp/build/perf/plugins/plugin_hrtimer.so LINK /tmp/build/perf/plugins/plugin_kmem.so LINK /tmp/build/perf/plugins/plugin_kvm.so LINK /tmp/build/perf/plugins/plugin_mac80211.so LD /tmp/build/perf/plugins/plugin_tlb-in.o LINK /tmp/build/perf/plugins/plugin_function.so LINK /tmp/build/perf/plugins/plugin_sched_switch.so LINK /tmp/build/perf/plugins/plugin_futex.so LINK /tmp/build/perf/plugins/plugin_xen.so LINK /tmp/build/perf/plugins/plugin_scsi.so LINK /tmp/build/perf/plugins/plugin_cfg80211.so LINK /tmp/build/perf/plugins/plugin_tlb.so INSTALL trace_plugins LD /tmp/build/perf/pmu-events/pmu-events-in.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/ MKDIR /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/ CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/main.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/common.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/btf.o GEN /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/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/ CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/libbpf.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/bpf.o MKDIR /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/ CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/nlattr.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/netlink.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/libbpf_probes.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/xsk.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/btf_dump.o CC /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/ringbuf.o LD /tmp/build/perf/staticobjs/libbpf-in.o LINK /tmp/build/perf/libbpf.a CLANG /tmp/build/perf/util/bpf_skel/.tmp/bpf_prog_profiler.bpf.o CLANG /tmp/build/perf/util/bpf_skel/.tmp/bperf_leader.bpf.o CLANG /tmp/build/perf/util/bpf_skel/.tmp/bperf_follower.bpf.o 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 LINK /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/bpftool GEN-SKEL /tmp/build/perf/util/bpf_skel/bpf_prog_profiler.skel.h GEN-SKEL /tmp/build/perf/util/bpf_skel/bperf_leader.skel.h GEN-SKEL /tmp/build/perf/util/bpf_skel/bperf_follower.skel.h libbpf: map 'prev_readings': unexpected def kind var. Error: failed to open BPF object file: Invalid argument libbpf: map 'diff_readings': unexpected def kind var. Error: failed to open BPF object file: Invalid argument make[2]: *** [Makefile.perf:1029: /tmp/build/perf/util/bpf_skel/bperf_leader.skel.h] Error 255 make[2]: *** Waiting for unfinished jobs.... make[2]: *** [Makefile.perf:1029: /tmp/build/perf/util/bpf_skel/bperf_follower.skel.h] Error 255 make[1]: *** [Makefile.perf:236: sub-make] Error 2 make: *** [Makefile:110: install-bin] Error 2 make: Leaving directory '/home/acme/git/perf/tools/perf' [acme@quaco perf]$ clang -v clang version 11.0.0 (https://github.com/llvm/llvm-project 67420f1b0e9c673ee638f2680fa83f468019004f) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /usr/local/bin Found candidate GCC installation: /usr/lib/gcc/x86_64-redhat-linux/10 Selected GCC installation: /usr/lib/gcc/x86_64-redhat-linux/10 Candidate multilib: .;@m64 Candidate multilib: 32;@m32 Selected multilib: .;@m64 [acme@quaco perf]$
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