From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D56CC390CA3; Sat, 29 Aug 2026 20:21:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788034912; cv=none; b=CkaX55Ue1tVa5s+VgxAxjB7v2b45KybnTpyKF3AuUHGHsmos8oAYaneYzfpW/rXaam/E0PV79RbCC0X6/Sn1rEzF0W4lVwRKNL/H/WUwwAh5ZDLzMoKsTScphmG7pGivZSXpTDIM7MbWaRsvKu1Zkl8fjPCfyX8wwY6OyCZBlEk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788034912; c=relaxed/simple; bh=rkoZjvop/emEA4LfG/tTBdGXD21kY42SZpghFHHwisI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gw9BgiTXWzt8AIBcWPQrYVx10weRBWImFacsurl8YGUfycAN2MbCtrA0L0/lWivphdc29ThERLwRhMXoPYDwqj8EaiHiWL+iob+3LG7DpHcRz16MG04wq7XyOCY7vKvDXeN1vUX8Wsxtlz5mkWt49eMecLWKYx3O8pRuSLIzNH8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NRFEUW9Z; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NRFEUW9Z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D2FF61F000E9; Sat, 29 Aug 2026 20:21:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788034910; bh=PnNUBF5uYiLqma+TmxXDwjLjGntaYni2Lprx86VGtsM=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=NRFEUW9ZmzJAgxzwglurRr5AgMDK8NlLnySC7t4EeRAjS3gQIrC252XE3Ak/YN1+b GXoVeDTeC4hQZEtx70/TcbS0OnubKKbkcUExiVuWc1gae0RliZz3hQUdauLjv+7Dbn FnIXLlPcHmv1blkrVj0/hk6pmdf+WbbkT4Ufw0/9daCWr5MDHGPJVzf2BE/f+gqJ7j FE1juhRtUSybqWJi8H7uOI/rQ3werAmr0z5NNIz0tNjQQtC5AXZikOdxSQjmC5BFB7 McB0kRfOSz0LiVg9lxyCBMjL0jEYkHKLkd9DkP2lqb3U0IuK7ydsBqHyZeFmaiALNC BEizZuIyTDH5A== Date: Sat, 29 Aug 2026 17:21:47 -0300 From: Arnaldo Carvalho de Melo To: Alan Maguire Cc: Jiri Olsa , Clark Williams , dwarves@vger.kernel.org, Arnaldo Carvalho de Melo , bpf@vger.kernel.org, Yonghong Song , Andrii Nakryiko Subject: RFT: coverage analysis and lots more regression tests in the 'next' branch. Was: Re: [PATCH v2 0/9] pahole: Support cross-CU type references and dwz alternate debug files Message-ID: References: <20260821213510.22423-1-acme@kernel.org> <0e1c3820-c16b-4266-bde4-655b760b3db4@oracle.com> Precedence: bulk X-Mailing-List: dwarves@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: On Fri, Aug 28, 2026 at 07:59:24PM -0300, Arnaldo Carvalho de Melo wrote: > I'm now in the process of cherry picking non-Rust related patches, > things that don't touch the .c files in the tree, just adding coverage > analysis, tons of tests and scripts for helping us do bisection tests, > etc. =20 > I just pushed out the first batch to the next branch, I invite people to > try it and report results, it should help us to catch problems sooner by > testing most of the paths in the codebase, which is super important > these days where we are having (or will have) tons of patches being > submitted. Got all of the coverage analysis and new regression tests on the next branch, and run the 'build-and-test.sh' script on my set of containers, where all the test ran on: toolsbuilder@five:~$ cat dm.log/summary Subject: tools build test for http://192.168.86.5/pahole/dwarves-1.31.tar.x= z build-and-test-cmd.sh 1 78.93 almalinux:8 : Ok gcc (GCC) 8.5.0 20210514= (Red Hat 8.5.0-28) , clang version 21.1.8 ( 21.1.8-1.module_el8.10.0+4172+= b6b13d75) flex 2.6.1 2 158.15 almalinux:9 : Ok gcc (GCC) 11.5.0 2024071= 9 (Red Hat 11.5.0-14) , clang version 21.1.8 (AlmaLinux OS Foundation 21.1.= 8-2.el9) flex 2.6.4 3 36.95 almalinux:9-i386 : Ok gcc (GCC) 11.5.0 2024071= 9 (Red Hat 11.5.0-14) , clang version 21.1.8 (AlmaLinux OS Foundation 21.1.= 8-2.el9) flex 2.6.4 4 167.45 almalinux:10 : Ok gcc (GCC) 14.3.1 2025102= 2 (Red Hat 14.3.1-4) , clang version 21.1.8 (AlmaLinux OS Foundation 21.1.8= -1.el10.alma.1) flex 2.6.4 5 293.08 alpine:3.22 : Ok gcc (Alpine 14.2.0) 14.2= =2E0 , Alpine clang version 20.1.8 flex 2.6.4 6 289.06 alpine:3.23 : Ok gcc (Alpine 15.2.0) 15.2= =2E0 , Alpine clang version 21.1.2 flex 2.6.4 7 255.51 alpine:3.24 : Ok gcc (Alpine 15.2.0) 15.2= =2E0 , Alpine clang version 22.1.3 flex 2.6.4 8 262.55 alpine:edge : Ok gcc (Alpine 15.2.0) 15.2= =2E0 , Alpine clang version 22.1.8 flex 2.6.4 9 152.16 amazonlinux:2023 : Ok gcc (GCC) 11.5.0 2024071= 9 (Red Hat 11.5.0-5) , clang version 15.0.7 (AWS 15.0.7-3.amzn2023.0.4) fle= x 2.6.4 10 152.38 amazonlinux:devel : Ok gcc (GCC) 11.3.1 2022112= 1 (Red Hat 11.3.1-4) , clang version 15.0.6 (Amazon Linux 15.0.6-3.amzn2023= =2E0.2) flex 2.6.4 11 171.22 archlinux:base : Ok gcc (GCC) 16.2.1 2026081= 0 , clang version 22.1.8 flex 2.6.4 12 160.21 centos:stream : Ok gcc (GCC) 14.4.1 2026072= 4 (Red Hat 14.4.1-2) , clang version 22.1.8 (CentOS 22.1.8-1.el10) flex 2.6= =2E4 13 77.34 debian:11 : Ok gcc (Debian 10.2.1-6) 10= =2E2.1 20210110 , Debian clang version 13.0.1-6~deb11u1 flex 2.6.4 14 154.23 debian:12 : Ok gcc (Debian 12.2.0-14+de= b12u1) 12.2.0 , Debian clang version 14.0.6 flex 2.6.4 15 157.32 debian:13 : Ok gcc (Debian 14.2.0-19) 1= 4.2.0 , Debian clang version 19.1.7 (3+b1) flex 2.6.4 16 156.96 debian:experimental : Ok gcc (Debian 16.1.0-3) 16= =2E1.0 , Debian clang version 21.1.8 (10) flex 2.6.4 17 157.12 fedora:40 : Ok gcc (GCC) 14.2.1 2024091= 2 (Red Hat 14.2.1-3) , clang version 18.1.8 (Fedora 18.1.8-2.fc40) flex 2.6= =2E4 18 158.62 fedora:41 : Ok gcc (GCC) 14.3.1 2025102= 2 (Red Hat 14.3.1-4) , clang version 19.1.7 (Fedora 19.1.7-5.fc41) flex 2.6= =2E4 19 161.74 fedora:42 : Ok gcc (GCC) 15.2.1 2026012= 3 (Red Hat 15.2.1-7) , clang version 20.1.8 (Fedora 20.1.8-4.fc42) flex 2.6= =2E4 20 160.37 fedora:43 : Ok gcc (GCC) 15.3.1 2026072= 2 (Red Hat 15.3.1-1) , clang version 21.1.8 (Fedora 21.1.8-6.fc43) flex 2.6= =2E4 21 239.67 fedora:44 : Ok gcc (GCC) 16.2.1 2026081= 9 (Red Hat 16.2.1-2) , clang version 22.1.8 (Fedora 22.1.8-4.fc44) flex 2.6= =2E4 22 238.08 fedora:45 : Ok gcc (GCC) 16.2.1 2026081= 9 (Red Hat 16.2.1-2) , clang version 22.1.8 (Fedora 22.1.8-20.fc45) flex 2.= 6.4 23 170.21 fedora:rawhide : Ok gcc (GCC) 16.1.1 2026070= 3 (Red Hat 16.1.1-4) , clang version 22.1.8 (Fedora 22.1.8-20.fc45) flex 2.= 6.4 24 89.22 gentoo:stage3 : Ok gcc (Gentoo 15.3.0 p8) 1= 5.3.0 flex 2.6.4 25 166.60 manjaro:base : Ok gcc (GCC) 16.1.1 2026062= 5 , clang version 22.1.6 flex 2.6.4 26 172.84 opensuse:16.0 : Ok gcc (SUSE Linux) 15.3.0 = , clang version 19.1.7 flex 2.6.4 27 166.50 opensuse:tumbleweed : Ok gcc (SUSE Linux) 15.3.0 = , clang version 22.1.8 flex 2.6.4 28 80.73 oraclelinux:8 : Ok gcc (GCC) 8.5.0 20210514= (Red Hat 8.5.0-28.0.1) , clang version 21.1.8 ( 21.1.8-1.module+el8.10.0+9= 0887+a5269809) flex 2.6.1 29 162.06 oraclelinux:9 : Ok gcc (GCC) 11.5.0 2024071= 9 (Red Hat 11.5.0-14.0.1) , clang version 21.1.8 ( 21.1.8-2.el9) flex 2.6.4 30 164.88 oraclelinux:10 : Ok gcc (GCC) 14.3.1 2025102= 2 (Red Hat 14.3.1-4.0.1) , clang version 21.1.8 (Oracle America 21.1.8-1.el= 10) flex 2.6.4 31 82.10 rockylinux:8 : Ok gcc (GCC) 8.5.0 20210514= (Red Hat 8.5.0-28) , clang version 21.1.8 (RESF 21.1.8-1.module+el8.10.0+4= 0180+8e26bdb3) flex 2.6.1 32 162.01 rockylinux:9 : Ok gcc (GCC) 11.5.0 2024071= 9 (Red Hat 11.5.0-14) , clang version 21.1.8 (RESF 21.1.8-2.el9) flex 2.6.4 33 166.23 rockylinux:10 : Ok gcc (GCC) 14.3.1 2025102= 2 (Red Hat 14.3.1-4) , clang version 21.1.8 (RESF 21.1.8-1.el10) flex 2.6.4 34 169.75 ubuntu:22.04 : Ok gcc (Ubuntu 11.4.0-1ubun= tu1~22.04.3) 11.4.0 , Ubuntu clang version 14.0.0-1ubuntu1.1 flex 2.6.4 35 162.24 ubuntu:24.04 : Ok gcc (Ubuntu 13.3.0-6ubun= tu2~24.04.1) 13.3.0 , Ubuntu clang version 18.1.3 (1ubuntu1) flex 2.6.4 36 162.16 ubuntu:25.04 : Ok gcc (Ubuntu 14.2.0-19ubu= ntu2) 14.2.0 , Ubuntu clang version 20.1.2 (0ubuntu1) flex 2.6.4 37 161.96 ubuntu:25.10 : Ok gcc (Ubuntu 15.2.0-4ubun= tu4) 15.2.0 , Ubuntu clang version 20.1.8 (0ubuntu4) flex 2.6.4 38 163.52 ubuntu:26.04 : Ok gcc (Ubuntu 15.2.0-16ubu= ntu1) 15.2.0 , Ubuntu clang version 21.1.8 (6ubuntu1) flex 2.6.4 BUILD_TARBALL_HEAD=3Deeb6956261d2fbe71715f0633a68fdc840b5f5ce 39 6242.1 toolsbuilder@five:~$ For instance: toolsbuilder@five:~$ cat dm.log/fedora\:rawhide=20 fedora:rawhide Downloading http://192.168.86.5/pahole/dwarves-1.31.tar.xz... % Total % Received % Xferd Average Speed Time Time Time Curr= ent Dload Upload Total Spent Left Speed 100 2.34M 100 2.34M 0 0 530.8M 0 = 0 dwarves-1.31/config.h.cmake dwarves-1.31/btfdiff dwarves-1.31/tests/typedef_chain.sh dwarves-1.31/tests/.test-times.seed dwarves-1.31/HEAD BUILD_TARBALL_HEAD=3Deeb6956261d2fbe71715f0633a68fdc840b5f5ce Using built-in specs. COLLECT_GCC=3Dgcc COLLECT_LTO_WRAPPER=3D/usr/libexec/gcc/x86_64-redhat-linux/16/lto-wrapper OFFLOAD_TARGET_NAMES=3Dnvptx-none:amdgcn-amdhsa OFFLOAD_TARGET_DEFAULT=3D1 Target: x86_64-redhat-linux Configured with: ../configure --enable-bootstrap --enable-languages=3Dc,c++= ,fortran,objc,obj-c++,ada,go,d,m2,cobol,algol68,lto --prefix=3D/usr --mandi= r=3D/usr/share/man --infodir=3D/usr/share/info --with-bugurl=3Dhttps://bugz= illa.redhat.com/ --enable-shared --enable-threads=3Dposix --enable-checking= =3Drelease --enable-multilib --with-system-zlib --enable-__cxa_atexit --dis= able-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-= id --with-gcc-major-version-only --enable-libstdcxx-backtrace --with-libstd= cxx-zoneinfo=3D/usr/share/zoneinfo --with-linker-hash-style=3Dgnu --enable-= plugin --enable-initfini-array --with-isl=3D/builddir/build/BUILD/gcc-16.1.= 1-build/gcc-16.1.1-20260703/obj-x86_64-redhat-linux/isl-install --enable-of= fload-targets=3Dnvptx-none,amdgcn-amdhsa --enable-offload-defaulted --witho= ut-cuda-driver --enable-gnu-indirect-function --enable-cet --with-tune=3Dge= neric --with-tls=3Dgnu2 --with-arch_32=3Di686 --build=3Dx86_64-redhat-linux= --with-build-config=3Dbootstrap-lto --enable-link-serialization=3D1 --disa= ble-libssp Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 16.1.1 20260703 (Red Hat 16.1.1-4) (GCC)=20 -- The C compiler identification is GNU 16.1.1 -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working C compiler: /usr/bin/cc - skipped -- Detecting C compile features -- Detecting C compile features - done -- Setting BUILD_SHARED_LIBS =3D ON -- Checking availability of DWARF and ELF development libraries -- Looking for dwfl_module_build_id in elf -- Looking for dwfl_module_build_id in elf - found -- Found dwarf.h header: /usr/include -- Found elfutils/libdw.h header: /usr/include -- Found libdw library: /usr/lib64/libdw.so -- Found libelf library: /usr/lib64/libelf.so -- Checking availability of DWARF and ELF development libraries - done -- Found ZLIB: /usr/lib64/libz.so (found version "1.3.1") -- Checking availability of argp library -- Assuming argp is in libc -- Checking availability of argp library - done -- Checking availability of obstack library -- Assuming obstack is in libc -- Checking availability of obstack library - done -- Version: v1.31-tarball-g416753b4ba90 (from HEAD file) -- Performing Test HAVE_REALLOCARRAY_SUPPORT -- Performing Test HAVE_REALLOCARRAY_SUPPORT - Success -- Configuring done (0.6s) -- Generating done (0.0s) -- Build files have been written to: /git/dwarves-1.31/build make: Entering directory '/git/dwarves-1.31/build' [ 1%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/btf.c.o [ 3%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/features.c.o [ 5%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/bpf.c.o [ 8%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/btf_relocate.c.o [ 8%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/btf_dump.c.o [ 10%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/hashmap.c.o [ 13%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/bpf_prog_linfo.c.o [ 13%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/libbpf.c.o [ 15%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/libbpf_probes.c.o [ 18%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/libbpf_utils.c.o [ 20%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/linker.c.o [ 20%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/btf_iter.c.o [ 22%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/elf.c.o [ 24%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/gen_loader.c.o [ 25%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/netlink.c.o [ 27%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/nlattr.c.o [ 29%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/ringbuf.c.o [ 31%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/relo_core.c.o [ 32%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/usdt.c.o [ 36%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/strset.c.o [ 36%] Building C object CMakeFiles/bpf.dir/lib/bpf/src/zip.c.o [ 36%] Built target bpf [ 39%] Building C object CMakeFiles/dwarves.dir/dwarves.c.o [ 39%] Building C object CMakeFiles/dwarves.dir/dwarves_fprintf.c.o [ 43%] Building C object CMakeFiles/dwarves.dir/rbtree.c.o [ 43%] Building C object CMakeFiles/dwarves.dir/libctf.c.o [ 46%] Building C object CMakeFiles/dwarves.dir/ctf_loader.c.o [ 48%] Building C object CMakeFiles/dwarves.dir/gobuffer.c.o [ 51%] Building C object CMakeFiles/dwarves.dir/btf_loader.c.o [ 51%] Building C object CMakeFiles/dwarves.dir/elf_symtab.c.o [ 48%] Building C object CMakeFiles/dwarves.dir/btf_encoder.c.o [ 53%] Building C object CMakeFiles/dwarves.dir/dwarf_loader.c.o [ 55%] Building C object CMakeFiles/dwarves.dir/dutil.c.o [ 56%] Linking C shared library libdwarves.so [ 56%] Built target dwarves [ 60%] Building C object CMakeFiles/syscse.dir/syscse.c.o [ 62%] Building C object CMakeFiles/dtagnames.dir/dtagnames.c.o [ 65%] Building C object CMakeFiles/prefcnt.dir/prefcnt.c.o [ 65%] Building C object CMakeFiles/dwarves_emit.dir/dwarves_emit.c.o [ 72%] Building C object CMakeFiles/scncopy.dir/scncopy.c.o [ 68%] Building C object CMakeFiles/pglobal.dir/pglobal.c.o [ 62%] Building C object CMakeFiles/pdwtags.dir/pdwtags.c.o [ 72%] Building C object CMakeFiles/dwarves_reorganize.dir/dwarves_reorgani= ze.c.o [ 68%] Building C object CMakeFiles/codiff.dir/codiff.c.o [ 74%] Building C object CMakeFiles/scncopy.dir/elfcreator.c.o [ 75%] Linking C executable dtagnames [ 79%] Linking C executable pdwtags [ 81%] Linking C executable syscse [ 81%] Linking C executable prefcnt [ 82%] Linking C executable pglobal [ 84%] Linking C executable scncopy [ 86%] Linking C shared library libdwarves_reorganize.so [ 86%] Built target dtagnames [ 86%] Built target pdwtags [ 86%] Built target pglobal [ 86%] Built target prefcnt [ 86%] Built target syscse [ 87%] Linking C shared library libdwarves_emit.so [ 87%] Built target scncopy [ 87%] Built target dwarves_reorganize [ 87%] Built target dwarves_emit [ 89%] Linking C executable codiff [ 91%] Building C object CMakeFiles/pahole.dir/pahole.c.o [ 93%] Building C object CMakeFiles/ctracer.dir/ctracer.c.o [ 94%] Building C object CMakeFiles/pfunct.dir/pfunct.c.o [ 94%] Built target codiff [ 98%] Linking C executable ctracer [ 98%] Linking C executable pfunct [ 98%] Built target pfunct [ 98%] Built target ctracer [100%] Linking C executable pahole [100%] Built target pahole make: Leaving directory '/git/dwarves-1.31/build' Testing pahole version: v1.31-tarball-g416753b4ba90 Verbose mode enabled - showing diagnostic information: Architecture: x86_64 CPUs: 32 Memory: 62.7 GB Swap: 8.0 GB Parallelism: unlimited (all tests run in parallel) Tip: On low-memory systems, use -j to limit parallelism (e.g., -j 4 or = -j 1) Test artifacts: /tmp/pahole-tests/ Compiler: gcc (GCC) 16.1.1 20260703 (Red Hat 16.1.1-4) libc: ldd (GNU libc) 2.44 bpftool: bpftool v7.7.0 VMLINUX: /tmp/vmlinux PERF_BIN: not set PERF_SRC_DIR: not set 1: dwarves_emit.c: _Atomic type compile emission. : Ok 2: _Atomic type display and --skip_emitting_atomic_typedefs. : Ok 3: Auxiliary tools: pglobal, prefcnt, dtagnames. : Ok 4: Bitfield layout and data member filtering. : Ok 5: dwarf_loader coverage: bitfields, templates, enums, inlines. : Ok 6: Bitfield typedef recoding (tag__recode_dwarf_bitfield). : Ok 7: BTF arena type tag encoding for kfuncs. : Ok 8: BTF multi-dimensional array encoding and round-trip. : Ok 9: BTF bitfield encoding and loading round-trip. : Ok 10: BTF VAR and DATASEC encoding for global variables. : Ok 11: BTF deduplication of array types across CUs. : Ok 12: Distilled base BTF generation. : Ok 13: BTF encoding options. : Ok 14: BTF encoder coverage. : Ok 15: Validation of BTF encoding of functions. : Ok 16: BTF_KIND_FWD encoding and loading round-trip. : Ok 17: BTF encoding with invalid symbol names. : Ok 18: Split BTF encoding (vmlinux base + kernel module). : S= kip (no loaded module with debuginfod-available debuginfo found) 19: Check BTF type tag order. : Ok 20: BTF FLOAT and ENUM64 type encoding. : Ok 21: BTF encoder verbose logging coverage. : Ok 23: BTF encoding into ELF via pahole -J (btf_encoder__write_elf). : Ok 24: BTF true_signature: clang optimized aggregate parameters (2 structs: Ok 25: BTF true_signature: clang optimized aggregate parameters (2 structs: Ok 26: BTF true_signature: clang optimized with large union parameter : Ok 27: BTF true_signature: clang optimized parameters (scalar) : Ok 28: BTF true_signature: clang optimized with stack parameters (9 params: Ok 29: BTF true_signature: clang optimized with stack parameters (non-stat: Ok 30: Class name list from file. : Ok 31: CLI display and filtering options. : Ok 32: codiff struct comparison. : Ok 33: codiff coverage: terse, functions, verbose, multi-CU. : Ok 34: codiff member change coverage. : Ok 35: codiff multi-CU: __cus__find_cu_by_name coverage. : Ok 36: Compilable output and type filtering. : Ok 37: Type containment and pointer search. : Ok 38: C++ namespace and using-declaration display. : Ok 39: C++ variadic template parameter pack handling. : Ok 40: Class name filtering. : Ok 41: Default BTF on a system without BTF. : Ok 42: Display format options. : Ok 43: dwarf_loader.c edge cases: bitfield recode, inlining, call sites. : Ok 44: dwarves.c core API coverage. : Ok 45: DWZ alternate debug file type resolution. : Ok 46: Atomic typedef emission. : Ok 47: Legacy atomic_ base type emission via --compile (hand-crafted DWARF: Ok 48: dwarves_emit.c / dwarves_reorganize.c coverage. : Ok 49: Enumerator search. : Ok 50: Expand pointers option. : Ok 51: Type expansion and anonymous struct options. : Ok 52: Flexible arrays accounting. : Ok 53: Validation of GCC optimized parameters in default BTF. : Ok 54: Validation of BTF encoding of true_signatures. : S= kip (no optimizations applied.) 56: Multi-file loading (cus__load_files). : Ok 57: Version output. : Ok 58: Header, range and seek_bytes prettify paths. : Ok 59: pahole.c scattered option paths. : Ok 60: pdwtags DWARF tag display. : Ok 61: Check that pfunct can print btf_decl_tags read from BTF. : Ok 62: pfunct coverage: symtab, class, expand_types, compile. : Ok 63: pfunct function statistics. : Ok 64: pglobal basic: variables, functions, static exclusion. : Ok 65: prefcnt.c: reference counting coverage. : Ok 68: Cacheline boundary display with large structs. : Ok 70: Sizes and holes display. : Ok 71: Small files coverage: elf_symtab, gobuffer, dutil, pglobal. : Ok 72: Sort output and separator. : Ok 73: Typedef chain display. : Ok 55: Compare parallel vs merged CU loading for inter-CU type references.: O= k =20 66: Pretty printing of files using DWARF type information. : O= k =20 67: Prototype expression parsing and prettify. : Ok 69: Parallel reproducible DWARF Loading/Serial BTF encoding. : O= k =20 22: BTF encoding on vmlinux. : O= k =20 Saved timing data to .test-times (73 tests) + '[' ']' + set +o xtrace clang version 22.1.8 (Fedora 22.1.8-20.fc45) Target: x86_64-redhat-linux-gnu Thread model: posix InstalledDir: /usr/bin Configuration file: /etc/clang/x86_64-redhat-linux-gnu-clang.cfg System configuration file directory: /etc/clang/ Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-redhat-linux/16 Selected GCC installation: /usr/bin/../lib/gcc/x86_64-redhat-linux/16 Candidate multilib: .;@m64 Candidate multilib: 32;@m32 Selected multilib: .;@m64 mkdir: cannot create directory 'build': File exists -- Setting BUILD_SHARED_LIBS =3D ON -- Checking availability of DWARF and ELF development libraries -- Checking availability of DWARF and ELF development libraries - done -- Checking availability of argp library -- Assuming argp is in libc -- Checking availability of argp library - done -- Checking availability of obstack library -- Assuming obstack is in libc -- Checking availability of obstack library - done -- Version: v1.31-tarball-g416753b4ba90 (from HEAD file) -- Configuring done (0.1s) -- Generating done (0.0s) -- Build files have been written to: /git/dwarves-1.31/build make: Entering directory '/git/dwarves-1.31/build' [ 36%] Built target bpf [ 56%] Built target dwarves [ 65%] Built target dwarves_reorganize [ 67%] Built target dwarves_emit [ 67%] Built target dtagnames [ 70%] Built target codiff [ 74%] Built target pdwtags [ 77%] Built target pglobal [ 82%] Built target scncopy [ 86%] Built target syscse [ 89%] Built target prefcnt [ 93%] Built target ctracer [ 96%] Built target pfunct [100%] Built target pahole make: Leaving directory '/git/dwarves-1.31/build' Testing pahole version: v1.31-tarball-g416753b4ba90 Verbose mode enabled - showing diagnostic information: Architecture: x86_64 CPUs: 32 Memory: 62.7 GB Swap: 8.0 GB Parallelism: unlimited (all tests run in parallel) Tip: On low-memory systems, use -j to limit parallelism (e.g., -j 4 or = -j 1) Test artifacts: /tmp/pahole-tests/ Compiler: clang version 22.1.8 (Fedora 22.1.8-20.fc45) libc: ldd (GNU libc) 2.44 bpftool: bpftool v7.7.0 VMLINUX: /tmp/vmlinux PERF_BIN: not set PERF_SRC_DIR: not set 1: dwarves_emit.c: _Atomic type compile emission. : Ok 2: _Atomic type display and --skip_emitting_atomic_typedefs. : Ok 3: Auxiliary tools: pglobal, prefcnt, dtagnames. : Ok 4: Bitfield layout and data member filtering. : Ok 5: dwarf_loader coverage: bitfields, templates, enums, inlines. : Ok 6: Bitfield typedef recoding (tag__recode_dwarf_bitfield). : Ok 7: BTF arena type tag encoding for kfuncs. : Ok 8: BTF multi-dimensional array encoding and round-trip. : Ok 9: BTF bitfield encoding and loading round-trip. : Ok 10: BTF VAR and DATASEC encoding for global variables. : Ok 11: BTF deduplication of array types across CUs. : Ok 12: Distilled base BTF generation. : Ok 13: BTF encoding options. : Ok 14: BTF encoder coverage. : Ok 15: Validation of BTF encoding of functions. : Ok 16: BTF_KIND_FWD encoding and loading round-trip. : Ok 17: BTF encoding with invalid symbol names. : Ok 18: Split BTF encoding (vmlinux base + kernel module). : S= kip (no loaded module with debuginfod-available debuginfo found) 19: Check BTF type tag order. : Ok 20: BTF FLOAT and ENUM64 type encoding. : Ok 21: BTF encoder verbose logging coverage. : Ok 22: BTF encoding into ELF via pahole -J (btf_encoder__write_elf). : Ok 23: BTF true_signature: clang optimized aggregate parameters (2 structs: Ok 24: BTF true_signature: clang optimized aggregate parameters (2 structs: Ok 25: BTF true_signature: clang optimized with large union parameter : Ok 26: BTF true_signature: clang optimized parameters (scalar) : Ok 27: BTF true_signature: clang optimized with stack parameters (9 params: Ok 28: BTF true_signature: clang optimized with stack parameters (non-stat: Ok 29: Class name list from file. : Ok 30: CLI display and filtering options. : Ok 31: codiff struct comparison. : Ok 32: codiff coverage: terse, functions, verbose, multi-CU. : Ok 33: codiff member change coverage. : Ok 34: codiff multi-CU: __cus__find_cu_by_name coverage. : Ok 35: Compilable output and type filtering. : Ok 36: Type containment and pointer search. : Ok 37: C++ namespace and using-declaration display. : Ok 38: C++ variadic template parameter pack handling. : Ok 39: Class name filtering. : Ok 40: Default BTF on a system without BTF. : Ok 41: Display format options. : Ok 42: dwarf_loader.c edge cases: bitfield recode, inlining, call sites. : Ok 43: dwarves.c core API coverage. : Ok 44: DWZ alternate debug file type resolution. : Ok 45: Atomic typedef emission. : Ok 46: Legacy atomic_ base type emission via --compile (hand-crafted DWARF: Ok 47: dwarves_emit.c / dwarves_reorganize.c coverage. : Ok 48: Enumerator search. : Ok 49: Expand pointers option. : Ok 50: Type expansion and anonymous struct options. : Ok 51: Flexible arrays accounting. : Ok 52: Validation of GCC optimized parameters in default BTF. : Ok 53: Validation of BTF encoding of true_signatures. : S= kip (no optimizations applied.) 54: Multi-file loading (cus__load_files). : Ok 55: Version output. : Ok 56: Header, range and seek_bytes prettify paths. : Ok 57: pahole.c scattered option paths. : Ok 58: pdwtags DWARF tag display. : Ok 59: Check that pfunct can print btf_decl_tags read from BTF. : Ok 60: pfunct coverage: symtab, class, expand_types, compile. : Ok 61: pfunct function statistics. : Ok 62: pglobal basic: variables, functions, static exclusion. : Ok 63: prefcnt.c: reference counting coverage. : Ok 64: Cacheline boundary display with large structs. : Ok 65: Sizes and holes display. : Ok 66: Small files coverage: elf_symtab, gobuffer, dutil, pglobal. : Ok 67: Sort output and separator. : Ok 68: Typedef chain display. : Ok 70: Compare parallel vs merged CU loading for inter-CU type references.: Ok 71: Pretty printing of files using DWARF type information. : Ok 72: Prototype expression parsing and prettify. : Ok 73: Parallel reproducible DWARF Loading/Serial BTF encoding. : O= k =20 69: BTF encoding on vmlinux. : O= k =20 Saved timing data to .test-times (73 tests) toolsbuilder@five:~$=20