it's so perfect that we have doc created by AI here : https://deepwiki.com/iakisme/solana_send_tx_perf/1-overview
Relevant source files This document describes the Solana Transaction Performance Testing Tool, a Go application designed to measure and analyze transaction confirmation latency on the Solana blockchain. The tool focuses specifically on tracking transaction states through the Solana confirmation lifecycle (processed, confirmed, and finalized) using both WebSocket subscriptions and RPC polling methods.
For installation instructions, see Installation and Setup. For detailed architecture information, see Tool Architecture and Design.