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charset="us-ascii" Content-ID: <3A5EC9529AA6F14B9457EB4AD842FA7B@namprd15.prod.outlook.com> X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BYAPR15MB2999.namprd15.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 86dab61b-e93e-4ab0-d861-08d8ed962522 X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Mar 2021 00:53:59.5943 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Q8LL2oop0Vr7Wej9dSFUdFZNgj+43/FhsNiv9lD0Xe2NZy23bYR6nsFnWaIJIgLAD7xIu5rMw/7XaFjGHnG5HA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB2885 X-OriginatorOrg: fb.com Content-Transfer-Encoding: quoted-printable X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-22_12:2021-03-22,2021-03-22 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 clxscore=1015 lowpriorityscore=0 bulkscore=0 mlxlogscore=999 priorityscore=1501 suspectscore=0 malwarescore=0 adultscore=0 mlxscore=0 spamscore=0 phishscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103230001 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Mar 19, 2021, at 11:41 AM, Arnaldo Carvalho de Melo = wrote: >=20 > 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 defau= lt >>> path is /sys/fs/bpf/perf_attr_map. The user could change the path with >>> option --bpf-attr-map. >>>=20 >>> Signed-off-by: Song Liu >>=20 >> Reviewed-by: Jiri Olsa >=20 > 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? >=20 > - Arnaldo Hi Arnaldo,=20 Are you still getting this error?=20 Thanks, Song >=20 > [acme@quaco perf]$ make O=3D/tmp/build/perf -C tools/perf BUILD_BPF_SKEL= =3D1 PYTHON=3Dpython3 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 fr= om 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/syscal= l_n64.tbl' differs from latest version at 'arch/mips/kernel/syscalls/syscal= l_n64.tbl' > diff -u tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/ker= nel/syscalls/syscall_n64.tbl >=20 > 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 ] >=20 > 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 =3D 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=3D make -C ../bpf/bpftool \ > OUTPUT=3D/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 >=20 > Auto-detecting system features: > ... libbfd: [ on ] > ... disassembler-four-args: [ on ] > ... zlib: [ on ] > ... libcap: [ on ] > ... clang-bpf-co-re: [ on ] >=20 > 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_lea= der.skel.h] Error 255 > make[2]: *** Waiting for unfinished jobs.... > make[2]: *** [Makefile.perf:1029: /tmp/build/perf/util/bpf_skel/bperf_fol= lower.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 67420f1b0e9c67= 3ee638f2680fa83f468019004f) > 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]$