psample

type Packet struct {
	// IncomingInterfaceIndex is the incoming interface index of the packet or 0
	// if not applicable.
	IncomingInterfaceIndex uint16
	// OutgoingInterfaceIndex is the outgoing interface index of the packet or 0
	// if not applicable.
	OutgoingInterfaceIndex uint16
	// OriginalSize is the packet's original size in bytes without any
	// truncation.
	OriginalSize uint32
	// SampleGroup is the sample group to which this packet belongs. This is set
	// by the sampling action and can be used to differentiate different
	// sampling streams.
	SampleGroup uint32
	// GroupSequence is a monotonically-increasing counter of packets sampled
	// for each sample group.
	GroupSequence uint32
	// SampleRate is the sampling rate (1 in SampleRate packets) used to capture
	// this packet.
	SampleRate uint32
	// Data contains the packet data up to the specified size for truncation.
	Data []byte

	// Latency is the sampled packet's latency as indicated by psample. It's
	// expressed in nanoseconds.
	Latency uint64
	// Timestamp marks time of the packet's sampling. It's set by the kernel, and
	// expressed in Unix nanoseconds.
	Timestamp uint64
}