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Add Kernel Misc Probe #17541

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Oct 14, 2021
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Add Kernel Misc Probe #17541

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11 changes: 11 additions & 0 deletions pkg/datapath/linux/probes/probes.go
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Original file line number Diff line number Diff line change
Expand Up @@ -126,11 +126,17 @@ type MapTypes struct {
HaveStackMapType bool `json:"have_stack_map_type"`
}

// Kernel misc configurations kernel large 1M instructions support
type Misc struct {
HaveLargeInsnLimit bool `json:"have_large_insn_limit"`
}

// Features contains BPF feature checks returned by bpftool.
type Features struct {
SystemConfig `json:"system_config"`
MapTypes `json:"map_types"`
Helpers map[string][]string `json:"helpers"`
Misc `json:"misc"`
}

// ProbeManager is a manager of BPF feature checks.
Expand Down Expand Up @@ -306,6 +312,11 @@ func (p *ProbeManager) GetMapTypes() *MapTypes {
return &p.features.MapTypes
}

// GetMisc returns information about kernel misc.
func (p *ProbeManager) GetMisc() Misc {
return p.features.Misc
}

// GetHelpers returns information about available BPF helpers for the given
// program type.
// If program type is not found, returns nil.
Expand Down