Add dynamic extraction of a parameter attribute#3143

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ScriptSathi wants to merge 15 commits intocilium:mainfrom ScriptSathi:pr/ScriptSathi/add-dynamic-paramter-extraction

+776-14

Commits on Jan 10, 2025

Add config_btf_arg_depth to extend struct event_config context.

Tristan d'Audibert
authored and
ScriptSathi
committed
[generic_calls.h] Add loop to move on arg buffer based on config->btf_argN
Tristan d'Audibert
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Add GenericTypeFromBTF to search if supported type exists in btf.Type.
Tristan d'Audibert
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Add FindNextBtfType function in btf.go to search for members in path
Tristan d'Audibert
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In FindNextBtfType, btf.Int types must be declared has pointer
Tristan d'Audibert
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Add OverwriteType and ExtractParam properties in KProbeArg
Tristan d'Audibert
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kernel.go : update argSelectorType to use sig.OverwriteType if set.
Tristan d'Audibert
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[generic.go] Take ExtractParam from KprobeArg to build ConfigBtfArg
Tristan d'Audibert
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[genericlsm.go] Use ExtractParam to build ConfigBtfArg for LSM
Tristan d'Audibert
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[genericuprobe.go] Add exception for ExtractParam/OverwriteType for uprobes
Tristan d'Audibert
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[generickprobe.go] Add ExtractParam/OverwriteType usage for kprobes
Tristan d'Audibert
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[btf_test.go] Add unit tests for FindNextBtfType with multiple cases.
Tristan d'Audibert
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[generic_test.go] Add unit test for ExtractParam with fake LSM policy
Tristan d'Audibert
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Add new tracingpolicy example for dynamic parameter extraction feature
Tristan d'Audibert
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Add documentation for extractParam feature
Tristan d'Audibert
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