tetragon

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apiVersion: cilium.io/v1alpha1
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kind: TracingPolicy
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metadata:
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  name: "stack-traces-example"
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spec:
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  kprobes:
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    - call: kfree_skb_reason
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      syscall: false
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      args:
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        - index: 0
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          type: skb
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        - index: 1
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          type: int
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          label: "reason"
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      selectors:
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        - matchActions:
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          - action: Post
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            kernelStackTrace: true
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            userStackTrace: true
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