Em Thu, Jan 19, 2023 at 09:11:03AM -0800, Ian Rogers escreveu: > On Sun, Jan 15, 2023 at 5:01 PM Ian Rogers <irogers@xxxxxxxxxx> wrote: > > libbpf 1.0 was a major change in API. Perf has partially supported > > older libbpf's but an implementation may be: > > .. > > pr_err("%s: not support, update libbpf\n", __func__); > > return -ENOTSUP; > > .. > > > > Rather than build a binary that would fail at runtime it is > > preferrential just to build libbpf statically and link against > > that. The static version is in the kernel tools tree and newer than > > 1.0. > > > > These patches change the libbpf test to only pass when at least > > version 1.0 is installed, then remove the conditional build and > > feature logic. > > > > The issue is discussed here: > > https://lore.kernel.org/lkml/20230106151320.619514-1-irogers@xxxxxxxxxx/ > > perf bpf: > > > > A variant of this fix was added to Linux 6.2 in: > > "perf bpf: Avoid build breakage with libbpf < 0.8.0 + LIBBPF_DYNAMIC=1" > > https://lore.kernel.org/lkml/Y71+eh00Ju7WeEFX@xxxxxxxxxx/ > > This change goes further in removing logic that is now no longer > > necessary. > > > > v2. Rebase now that breakage fix patch is in linus/master. > > I missed the: > Acked/Tested-by: Jiri Olsa <jolsa@xxxxxxxxxx> > I believe we are waiting for package maintainer input. Yes, as fedora:37 still is at libbpf 0.8.0 :-\ This is what I have in the containers I test, sure, the older ones already have NO_LIBBPF=1 and some will get this added, and some I still need to ask for libbpf-devel (or the distro specific name, like libbpf-dev): [perfbuilder@five ~]$ podman images --format "{{.Repository}}:{{.Tag}}" | grep /acmel/ | grep -v '<none>' | sort -t: -Vk1,2 | grep -v -- -x- | while read image ; do echo -n $image: ; libbpf=$(podman run --rm -t --entrypoint=ls $image -la /usr/lib64/libbpf.so.1) ; echo $libbpf ; done localhost/acmel/linux-perf-tools-build-almalinux:8:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-almalinux:9:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-alpine:3.12:ls: /usr/lib64/libbpf.so.1: No such file or directory localhost/acmel/linux-perf-tools-build-alpine:3.13:ls: /usr/lib64/libbpf.so.1: No such file or directory localhost/acmel/linux-perf-tools-build-alpine:3.14:ls: /usr/lib64/libbpf.so.1: No such file or directory localhost/acmel/linux-perf-tools-build-alpine:3.15:ls: /usr/lib64/libbpf.so.1: No such file or directory localhost/acmel/linux-perf-tools-build-alpine:3.16:ls: /usr/lib64/libbpf.so.1: No such file or directory localhost/acmel/linux-perf-tools-build-alpine:3.17:ls: /usr/lib64/libbpf.so.1: No such file or directory localhost/acmel/linux-perf-tools-build-alpine:edge:ls: /usr/lib64/libbpf.so.1: No such file or directory localhost/acmel/linux-perf-tools-build-alt:p9:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-alt:p10:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-alt:sisyphus:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-amazonlinux:2:ls: cannot access /usr/lib64/libbpf.so.1: No such file or directory localhost/acmel/linux-perf-tools-build-amazonlinux:devel:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-archlinux:base:lrwxrwxrwx 1 root root 15 Oct 1 12:32 /usr/lib64/libbpf.so.1 -> libbpf.so.1.0.1 localhost/acmel/linux-perf-tools-build-centos:8:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-centos:stream:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-clearlinux:latest:lrwxrwxrwx 1 root root 15 Sep 30 16:01 /usr/lib64/libbpf.so.1 -> libbpf.so.1.0.1 localhost/acmel/linux-perf-tools-build-debian:10:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-debian:11:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-debian:experimental:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-fedora:26:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-fedora:27:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-fedora:28:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-fedora:29:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-fedora:30:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-fedora:31:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-fedora:32:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-fedora:33:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-fedora:34:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-fedora:35:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-fedora:36:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-fedora:37:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-fedora:38:lrwxrwxrwx. 1 root root 15 Dec 20 14:39 /usr/lib64/libbpf.so.1 -> libbpf.so.1.0.0 localhost/acmel/linux-perf-tools-build-fedora:rawhide:lrwxrwxrwx. 1 root root 15 Dec 20 14:39 /usr/lib64/libbpf.so.1 -> libbpf.so.1.0.0 localhost/acmel/linux-perf-tools-build-gentoo-stage3:latest:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-manjaro:base:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-opensuse:15.0:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-opensuse:15.1:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-opensuse:15.2:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-opensuse:15.3:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-opensuse:15.4:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-opensuse:15.5:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-opensuse:tumbleweed:lrwxrwxrwx. 1 root root 15 Nov 9 12:08 /usr/lib64/libbpf.so.1 -> libbpf.so.1.0.1 localhost/acmel/linux-perf-tools-build-oraclelinux:8:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-oraclelinux:9:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-rockylinux:8:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-rockylinux:9:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-ubuntu:18.04:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-ubuntu:20.04:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-ubuntu:21.04:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-ubuntu:21.10:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-ubuntu:22.04:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-ubuntu:22.10:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory localhost/acmel/linux-perf-tools-build-ubuntu:23.04:ls: cannot access '/usr/lib64/libbpf.so.1': No such file or directory [perfbuilder@five ~]$ [perfbuilder@five linux-perf-tools-build]$ grep libbpf-dev */*/Dockerfile debian/experimental/Dockerfile: libbpf-dev \ fedora/35/Dockerfile: libtraceevent-devel libbpf-devel \ fedora/36/Dockerfile: libtraceevent-devel libbpf-devel \ fedora/37/Dockerfile: libtraceevent-devel libbpf-devel \ fedora/38/Dockerfile: libtraceevent-devel libbpf-devel \ fedora/rawhide/Dockerfile: libtraceevent-devel libbpf-devel \ opensuse/tumbleweed/Dockerfile: libbpf-devel libtraceevent-devel \ ubuntu/22.04/Dockerfile: libelf-dev libiberty-dev libdw-dev libaudit-dev libtraceevent-dev libbpf-dev \ ubuntu/22.10/Dockerfile: libelf-dev libiberty-dev libdw-dev libaudit-dev libtraceevent-dev libbpf-dev \ ubuntu/23.04/Dockerfile: libelf-dev libiberty-dev libdw-dev libaudit-dev libtraceevent-dev libbpf-dev \ [perfbuilder@five linux-perf-tools-build]$ In some cases it gets dragged on differently, like with clearlinux, gentoo, archlinux, etc. Anyway, just a data point, I'll check if I'm missing installing it somewhere. - Arnaldo