public static void main(String[] args) throws Exception {
        PerfConfig config = new PerfConfig(args);
        try (PerfCommand command = new PerfCommand(config)) {
            command.run();
        }
    }
Partitions that are ready to be consumed.
Only used during the initial topic readiness check, which is, {@link #preparing} is true.
tools/src/main/java/org/apache/kafka/tools/automq/PerfCommand.java