Understanding the output of this script

[siddjain]

can someone help me understand the output of this script. e.g. I see:

[ 93s ] thds: 56 tps: 43.01 qps: 1397.23 (r/w/o: 645.10/662.11/90.01) lat (ms,95%): 2680.11 err/s 1.00 reconn/s: 0.00
[ 94s ] thds: 56 tps: 42.99 qps: 1384.68 (r/w/o: 636.85/663.85/83.98) lat (ms,95%): 2680.11 err/s 0.00 reconn/s: 0.00
[ 95s ] thds: 56 tps: 51.00 qps: 1370.99 (r/w/o: 622.00/646.00/103.00) lat (ms,95%): 2539.17 err/s 1.00 reconn/s: 0.00
[ 96s ] thds: 56 tps: 53.01 qps: 1369.34 (r/w/o: 640.16/622.16/107.03) lat (ms,95%): 3095.38 err/s 0.00 reconn/s: 0.00
[ 97s ] thds: 56 tps: 39.00 qps: 1367.00 (r/w/o: 626.00/665.00/76.00) lat (ms,95%): 2539.17 err/s 0.00 reconn/s: 0.00
[ 98s ] thds: 56 tps: 43.99 qps: 1346.74 (r/w/o: 609.88/647.87/88.98) lat (ms,95%): 2728.81 err/s 1.00 reconn/s: 0.00
[ 99s ] thds: 56 tps: 45.01 qps: 1323.31 (r/w/o: 607.14/625.15/91.02) lat (ms,95%): 2932.60 err/s 0.00 reconn/s: 0.00
[ 100s ] thds: 56 tps: 44.99 qps: 1345.57 (r/w/o: 607.80/647.79/89.97) lat (ms,95%): 3151.62 err/s 0.00 reconn/s: 0.00
[ 101s ] thds: 56 tps: 58.01 qps: 1354.30 (r/w/o: 611.13/631.14/112.02) lat (ms,95%): 2362.72 err/s 0.00 reconn/s: 0.00
[ 102s ] thds: 56 tps: 45.00 qps: 1368.93 (r/w/o: 622.97/653.96/92.00) lat (ms,95%): 2880.27 err/s 0.00 reconn/s: 0.00

what does it mean? how do i get the overall transactions per second?