原有的读出方式不变，一个ROS处理多个socket, 每次read之前先select检查通道是否有数。
发送端控制发送频率为1KHz。
8ROS布置在一个服务器cmm03node03上，每个ROS接收64个通道的数据。每个ROS一个RequestHandler, 一共有四个SFI。接收端和发送端的socket buffer size 都设置为8MB。得到的测试结果如下：
1. 平均事例率：919.5Hz， 总带宽：919.5*2*8*64*8/1024/1024=7.18Gb/s.
2. 此时ROS所在的服务器的CPU占用率为: CPU 的 idle 为 5%。
top - 15:22:31 up 305 days, 22 min, 3 users, load average: 8.60, 8.69, 7.53 Tasks: 680 total, 1 running, 679 sleeping, 0 stopped, 0 zombie Cpu(s): 22.2%us, 63.7%sy, 0.0%ni, 5.0%id, 0.0%wa, 0.0%hi, 9.1%si, 0.0%st Mem: 32980332k total, 28224512k used, 4755820k free, 64060k buffers Swap: 33554428k total, 85412k used, 33469016k free, 17258244k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 16676 lhaaso 20 0 1316m 106m 20m S 296.5 0.3 63:55.88 ReadoutApplicat 16684 lhaaso 20 0 1316m 104m 20m S 293.2 0.3 63:07.64 ReadoutApplicat 16636 lhaaso 20 0 1316m 102m 20m S 291.9 0.3 62:59.73 ReadoutApplicat 16686 lhaaso 20 0 1316m 104m 20m S 291.6 0.3 63:31.31 ReadoutApplicat 16679 lhaaso 20 0 1316m 105m 20m S 280.4 0.3 58:14.17 ReadoutApplicat 16645 lhaaso 20 0 1316m 104m 20m S 278.8 0.3 59:24.06 ReadoutApplicat 16682 lhaaso 20 0 1316m 106m 20m S 265.7 0.3 59:18.60 ReadoutApplicat 16683 lhaaso 20 0 1316m 104m 20m S 257.8 0.3 59:35.39 ReadoutApplicat 14370 lhaaso 20 0 10.7g 206m 12m S 2.0 0.6 0:34.68 java 18702 lhaaso 20 0 26344 1856 1040 R 1.0 0.0 0:00.11 top 21011 lhaaso 20 0 108m 2356 1092 S 1.0 0.0 0:19.20 sshd 9 root 20 0 0 0 0 S 0.3 0.0 23:50.81 ksoftirqd/1 25 root 20 0 0 0 0 S 0.3 0.0 31:52.18 ksoftirqd/5 2410 root 20 0 0 0 0 S 0.3 0.0 60:52.44 kondemand/0 2411 root 20 0 0 0 0 S 0.3 0.0 55:59.79 kondemand/1 2412 root 20 0 0 0 0 S 0.3 0.0 51:28.75 kondemand/2 2413 root 20 0 0 0 0 S 0.3 0.0 54:28.44 kondemand/3 2415 root 20 0 0 0 0 S 0.3 0.0 46:10.74 kondemand/5 2419 root 20 0 0 0 0 S 0.3 0.0 11:30.91 kondemand/9 2422 root 20 0 0 0 0 S 0.3 0.0 57:57.05 kondemand/12 2424 root 20 0 0 0 0 S 0.3 0.0 53:25.12 kondemand/14 2425 root 20 0 0 0 0 S 0.3 0.0 55:21.80 kondemand/15 2455 root 20 0 10948 448 244 S 0.3 0.0 151:57.48 irqbalance 5874 lhaaso 20 0 5795m 23m 3376 S 0.3 0.1 28:00.78 pmgserver 13992 lhaaso 20 0 6741m 52m 25m S 0.3 0.2 0:04.93 run_controller 15498 lhaaso 20 0 1703m 5232 1992 S 0.3 0.0 0:43.38 mrs_worker