Em Wed, Aug 24, 2022 at 04:36:18PM +0200, Luna Jernberg escreveu: > The Nvidia driver breaks How? What are the messages? Here is a test on an Archlinux container: [perfbuilder@758097c04011 dwarves-1.24]$ pahole --version v1.24 [perfbuilder@758097c04011 dwarves-1.24]$ cat /etc/os-release NAME="Arch Linux" PRETTY_NAME="Arch Linux" ID=arch BUILD_ID=rolling VERSION_ID=TEMPLATE_VERSION_ID ANSI_COLOR="38;2;23;147;209" HOME_URL="https://archlinux.org/"; DOCUMENTATION_URL="https://wiki.archlinux.org/"; SUPPORT_URL="https://bbs.archlinux.org/"; BUG_REPORT_URL="https://bugs.archlinux.org/"; LOGO=archlinux-logo [perfbuilder@758097c04011 dwarves-1.24]$ pahole list_head struct list_head { struct list_head * next; /* 0 8 */ struct list_head * prev; /* 8 8 */ /* size: 16, cachelines: 1, members: 2 */ /* last cacheline: 16 bytes */ }; [perfbuilder@758097c04011 dwarves-1.24]$ pahole --sizes | sort -k2 -nr | head rcu_state 300608 7 cmp_data 290904 1 dec_data 274520 1 cpu_entry_area 241664 0 kvm 190016 6 pglist_data 173440 6 ZSTD_DCtx_s 161480 6 saved_cmdlines_buffer 131104 1 debug_store_buffers 131072 0 hid_parser 110848 1 [perfbuilder@758097c04011 dwarves-1.24]$ > On 8/24/22, Arnaldo Carvalho de Melo <arnaldo.melo@xxxxxxxxx> wrote: > > Em Wed, Aug 24, 2022 at 03:23:29PM +0200, Luna Jernberg escreveu: > >> This package breaks on Arch Linux at the moment and if you are using Arch > >> its recommended that you downgrade to 1.23 > > > > Breaks in what sense? Can you please provide details? > > > > - Arnaldo > > > >> On Tue, Aug 23, 2022 at 1:59 AM Arnaldo Carvalho de Melo > >> <acme@xxxxxxxxxx> > >> wrote: > >> > >> > Hi, > >> > > >> > The v1.24 release of pahole and its friends is out, with faster > >> > BTF generation by parallelizing the encoding part in addition to the > >> > previoulsy parallelized DWARF loading, support for 64-bit BTF > >> > enumeration > >> > entries, signed BTF encoding of 'char', exclude/select DWARF loading > >> > based on the language that generated the objects, etc. > >> > > >> > Main git repo: > >> > > >> > git://git.kernel.org/pub/scm/devel/pahole/pahole.git > >> > > >> > Mirror git repo: > >> > > >> > https://github.com/acmel/dwarves.git > >> > > >> > tarball + gpg signature: > >> > > >> > https://fedorapeople.org/~acme/dwarves/dwarves-1.24.tar.xz > >> > https://fedorapeople.org/~acme/dwarves/dwarves-1.24.tar.bz2 > >> > https://fedorapeople.org/~acme/dwarves/dwarves-1.24.tar.sign > >> > > >> > Thanks a lot to all the contributors and distro packagers, > >> > you're > >> > on the > >> > CC list, I appreciate a lot the work you put into these tools, > >> > > >> > Best Regards, > >> > > >> > BTF encoder: > >> > > >> > - Add support to BTF_KIND_ENUM64 to represent enumeration entries with > >> > more than 32 bits. > >> > > >> > - Support multithreaded encoding, in addition to DWARF multithreaded > >> > loading, speeding up the process. > >> > > >> > Selected just like DWARF multithreaded loading, using the 'pahole -j' > >> > option. > >> > > >> > - Encode 'char' type as signed. > >> > > >> > BTF Loader: > >> > > >> > - Add support to BTF_KIND_ENUM64. > >> > > >> > pahole: > >> > > >> > - Introduce --lang and --lang_exclude to specify the language the > >> > DWARF compile units were originated from to use or filter. > >> > > >> > Use case is to exclude Rust compile units while aspects of the > >> > DWARF generated for it get sorted out in a way that the kernel > >> > BPF verifier don't refuse loading the BTF generated from them. > >> > > >> > - Introduce --compile to generate compilable code in a similar fashion > >> > to: > >> > > >> > bpftool btf dump file vmlinux format c > vmlinux.h > >> > > >> > As with 'bpftool', this will notice type shadowing, i.e. multiple > >> > types > >> > with the same name and will disambiguate by adding a suffix. > >> > > >> > - Don't segfault when processing bogus files. > >> > > > > > -- > > > > - Arnaldo > > -- - Arnaldo
