uhd::rfnoc::register_iface_stats Struct Reference

#include <uhd/rfnoc/register_iface.hpp>

Detailed Description

Statistics for register interface operations.

This struct contains counters for various register interface operations, useful for debugging and performance monitoring.

Notes:

• Dropped packets are detected when there is a sequence gap between incoming ACKs. If the incoming ACK sequence numbers are [0,1,3] then we assume number 2 dropped, and ctrl_dropped is incremented.
• Out-of-sequence packets are only counted when packets with unexpected sequence numbers arrive. If the incoming ACK sequence numbers are [0,2,1], then first we assume that sequence number 1 was dropped (and ctrl_dropped is incremented). We therefore no longer expect sequence number 1, and when it is detected after sequence number 2, ctrl_out_of_sequence is incremented. When ACKs are reordered, they therefore cause both drop counts and out-of-sequence counts.

Public Member Functions
std::string UHD_API	to_string () const

Public Attributes
uint64_t	ctrl_packets_sent = 0
	Number of control packets sent.
uint64_t	ack_packets_received = 0
	Number of ACK packets received.
uint64_t	async_packets_received = 0
	Number of async packets received.
uint64_t	ack_packets_sent = 0
	Number of ACK packets sent.
uint64_t	ctrl_dropped = 0
	Number of control packets dropped (or ACKs not received).
uint64_t	ctrl_out_of_sequence = 0
	Number of out-of-sequence control packets.
ssize_t	buffer_fullness = 0
	The fullness of the buffer in the FPGA, as calculated by the software.

Member Function Documentation

to_string()

std::string UHD_API uhd::rfnoc::register_iface_stats::to_string

(

)

const

Member Data Documentation

ack_packets_received

uint64_t uhd::rfnoc::register_iface_stats::ack_packets_received = 0

Number of ACK packets received.

ack_packets_sent

uint64_t uhd::rfnoc::register_iface_stats::ack_packets_sent = 0

Number of ACK packets sent.

async_packets_received

uint64_t uhd::rfnoc::register_iface_stats::async_packets_received = 0

Number of async packets received.

buffer_fullness

ssize_t uhd::rfnoc::register_iface_stats::buffer_fullness = 0

The fullness of the buffer in the FPGA, as calculated by the software.

ctrl_dropped

uint64_t uhd::rfnoc::register_iface_stats::ctrl_dropped = 0

Number of control packets dropped (or ACKs not received).

ctrl_out_of_sequence

uint64_t uhd::rfnoc::register_iface_stats::ctrl_out_of_sequence = 0

Number of out-of-sequence control packets.

ctrl_packets_sent

uint64_t uhd::rfnoc::register_iface_stats::ctrl_packets_sent = 0

Number of control packets sent.

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The documentation for this struct was generated from the following file:

• register_iface.hpp