ease the use of perf probe
#66924
Labels
0.kind: enhancement
2.status: stale
https://github.com/NixOS/nixpkgs/blob/master/.github/STALE-BOT.md
6.topic: developer experience
I need to trace some variables in the kernel. I tried using perf on nixos but this was not straightforward
strace -olog perf probe -L tcp_cong_avoid_ai
fails with
I started developing a patch to add vmlinux (present in ${kernel.dev}/vmlinux) to tools/perf/util/symbol.c but there is no stable path to that file.
I've then stumbled on https://www.mail-archive.com/nix-commits-bounces@lists.science.uu.nl/msg04507.html that puts vmlinux in a stable path but it doesn't explain how perf looks into that folder: @viric do you have a custom patch in your repo ?
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