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__Problem__: IPv6 Segment Routing or SRv6 in short extends IPv6 with native source routing capability. First, it push the extension header (SRH) to the packet then the segment IDs (SID list). The SID …
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With latest debian kernel 6.1. bpftrace is not able to attach kprobe for nf_nat functions.
It gives error - cannot attach kprobe, probe entry may not exist
### What reproduces the bug? Provide cod…
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Nov 10, 2022
When LKRG decides to panic the kernel and we have networking enabled, the panic should be deferred until after we've at least tried sending the message out.
However, in such configu…
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I saw a scenario, the same sym(func name) exists in multiples modules in the kernel, then how can I tell 'kprobe:func' which one I want?
```
# bpftrace -v -l 'kprobe:icap_download_bitstream_axlf'
…
xuhz updated
11 months ago
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Filing this issue to gauge who would be interested in taking a stab at writing some end-to-end tests using the new framework introduced in #226. Happy to help mentor new contributors who want to take …
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Support for the kprobe `maxactive` parameter was added in #39 with a fallback in case the kernel doesn't support `maxactive` through debugfs. That fallback code is leaving a kprobe behind.
When set…
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### What reproduces the bug? Provide code if possible.
When using globbing to match multiple kprobes we use the multi kprobe link type to attach the probes. When doing this we report the number…
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Hi, when I using klockstat in libbpf_example, I have the following problem,
```bash
libbpf: prog 'kprobe_mutex_lock': failed to create kprobe 'mutex_lock+0x0' pey
libbpf: prog 'kprobe_mutex_lock':…
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### Is there an existing issue for this?
- [X] I have searched the existing issues
### Is your feature request related to a problem?
Support for bpf tail calls on ARM64 and documentation to describ…
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Reference: https://github.com/iovisor/bcc/blob/72dbe044395ccffd5249ed1f6c84a5fa4bd21be3/libbpf-tools/gethostlatency.bpf.c