cilium/pwru

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Packet, where are you? -- eBPF-based Linux kernel networking debugger

Stars: 3.8k
Forks: 229
Open beginner issues: 0
Indexed issues: 34
Avg merge: 2d 5h
Merged PRs (30d): 13

Dominant language: C
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue

Beginner friendly Everything

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34 open issues indexed

Reconsider use of https://github.com/cilium/lumberjack ? Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

cilium/pwru#716 · 1 reaction · Opened Jul 30, 2026
ci: pin upload-artifact in pwru-test to a full commit SHA Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

cilium/pwru#715 · Opened Jul 26, 2026
pwru-test: bound the ready-file wait and detect early process exit Open

Difficulty 3/5 1-2 days Newbie friendliness 76/100

cilium/pwru#714 · Opened Jul 26, 2026
pwru-run: preserve Kubernetes readiness failures Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

cilium/pwru#713 · 1 comment · Opened Jul 26, 2026
bpf: report event loss when the queue reaches capacity Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

cilium/pwru#710 · Opened Jul 26, 2026
output: bound skb/process caches and avoid stale PID attribution Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

cilium/pwru#708 · Opened Jul 26, 2026
Very difficult to kill once started (blocks Ctrl+C) Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

cilium/pwru#702 · 1 reaction · Opened Jul 21, 2026
Upgrade LLVM toolchain to version 20 Open

cilium/pwru#660 · 1 assignee · Opened Mar 5, 2026
Use fentry instead of kprobe to attach tracing BPF progs Open

enhancement help wanted

cilium/pwru#642 · 2 comments · 1 assignee · Opened Jan 20, 2026
Type cast `skb->_skb_refdst` to `struct dst_entry*`? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

cilium/pwru#627 · 2 comments · Opened Nov 22, 2025
Revisit vmlinux-$ARCH.h requirement for kprobe_pwru.c Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

cilium/pwru#621 · Opened Nov 3, 2025
pwru loongarch ip_offset and fp_tramp Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

cilium/pwru#586 · 10 comments · Opened Jul 27, 2025
It is possible to trace all kernel funcs, but only if they are called from skb related functions (including indirect)? Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

cilium/pwru#560 · 3 comments · Opened Jun 6, 2025
ebpf filter issue with `ip6 protochain 58` Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

cilium/pwru#549 · 11 comments · Opened Apr 30, 2025
Make per-cpu scratch buffers preemption-safe Open

bug

cilium/pwru#540 · 3 comments · 1 reaction · 1 assignee · Opened Apr 7, 2025
Dependency Dashboard Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

cilium/pwru#518 · Opened Apr 1, 2025
Failed to trace TC progs: failed to trace bpf progs: failed to find address for function * Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

cilium/pwru#497 · 3 comments · Opened Feb 2, 2025
Improve pwru availability under high-volume traffic Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

cilium/pwru#485 · Opened Jan 15, 2025
[Draft] Proposal: introduce --output-lbr Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

cilium/pwru#451 · Opened Nov 6, 2024
Proposal: introduce --filter-trace-tunnel-type and --filter-trace-tunnel-pcap Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

cilium/pwru#450 · 6 comments · Opened Nov 5, 2024
Proposal: Improve accuracy of bpf prog info Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

cilium/pwru#434 · 3 comments · Opened Oct 9, 2024
Add more test to cover all features Open

enhancement help wanted

Difficulty 5/5 Over a week Newbie friendliness 25/100

cilium/pwru#428 · 1 reaction · Opened Oct 3, 2024
--filter-trace-tc not working with p4-ebpf program Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

cilium/pwru#404 · 3 comments · Opened Jul 24, 2024
Add flag --filter-trace-only-bpf to trace only BPF (TC/XDP) progs Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cilium/pwru#394 · 2 comments · Opened Jul 7, 2024
CI flake: Test --filter-ifname Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

cilium/pwru#368 · Opened Apr 29, 2024
Track kfunc with parameter whose type is struct sock * Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 20/100

cilium/pwru#316 · 3 comments · Opened Jan 28, 2024
Processes name stop displaying after some time Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 42/100

cilium/pwru#312 · 6 comments · Opened Jan 18, 2024
Trace skb with fragments. Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

cilium/pwru#253 · 1 comment · Opened Sep 19, 2023
gh/workflows: Automatically update LVH VM images Open

testing

Difficulty 3/5 1-2 days Newbie friendliness 30/100

cilium/pwru#236 · Opened Aug 8, 2023
Use clang for libpcap and CGO compilation Open

good first issue help wanted

Difficulty 3/5 1-2 days Newbie friendliness 45/100

cilium/pwru#221 · 6 comments · Opened Jul 6, 2023
Package pwru for major distros Open

good first issue help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

cilium/pwru#89 · 19 comments · Opened Sep 21, 2022
introduce builtin memcmp etc., like bpf in cilium Open

enhancement help wanted

Difficulty 3/5 1-2 days Newbie friendliness 35/100

cilium/pwru#32 · 10 comments · 1 reaction · Opened Oct 25, 2021
Use github.com/cilium/cilium/pkg/alignchecker to check C and Go structs offsets and sizes Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cilium/pwru#28 · 2 comments · 1 reaction · Opened Oct 22, 2021
Add kretprobes Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cilium/pwru#10 · 2 reactions · Opened Oct 15, 2021

cilium/pwru

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