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mozillazg / hello-libbpfgo

Examples for libbpf, aquasecurity/libbpfgo and cilium/ebpf
MIT License
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Bump github.com/cilium/ebpf from 0.13.2 to 0.16.0 #19

Closed dependabot[bot] closed 1 month ago

dependabot[bot] commented 1 month ago

Bumps github.com/cilium/ebpf from 0.13.2 to 0.16.0.

Release notes

Sourced from github.com/cilium/ebpf's releases.

v0.16.0

program: automatic verifier log sizing and ProgramInfo.RecursionMisses()

For the longest time users had to specify ProgramOptions.LogSize to get the full verifier log for large programs. The library now automatically figures out the correct buffer size to use and the field is deprecated. It will be removed in the next version.

ProgramInfo now exposes how often a program didn't execute due to recursion limits via RecursionMisses.

perf, ringbuf: better control over wakeups, Flush()

There is a trade off between how fast samples are processed and how much CPU is used. Reading samples as quickly as possible uses more CPU, reading in batches is cheaper.

It's now possible to configure a "maximum time before a wakeup" by using Reader.SetDeadline(). This now guarantees that any pending samples are read at the end of the deadline, even if the Watermark wasn't reached.

It's also possible to manually flush the buffer using Flush().

Bugfixes

  • The various Copy() methods now to a full deep copy and all accept nil values.
  • link: kprobe and uprobe links can now be pinned.

What's Changed

... (truncated)

Commits
  • 061e86d map: remove misleading error message when creating without BTF
  • b689d28 btf: fix panic when copying nil Type
  • 218b9f9 program: deprecate LogSize and VerifierError.Truncated
  • 63c6cf8 map: do not allocate on lookup when key doesn't exist
  • a61222d fix a variety of Copy() problems
  • fbb9ed8 perf: do not add offline CPUs
  • 7e18818 info: make it harder to add backwards incompatible API
  • 88e8f88 link: fix nil pointer dereference in AttachXDP
  • 5976561 map: fix flaky TestMapIteratorAllocations
  • 9bd3c36 perf: fix panic when CPU is offline
  • Additional commits viewable in compare view


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