ab -n 1000 -c 100 -g out.data http://localhost:3000/
less out.data
brew install gnuplot
gnuplot
G N U P L O T
Version 5.2 patchlevel 7 last modified 2019-05-29
Copyright (C) 1986-1993, 1998, 2004, 2007-2018
Thomas Williams, Colin Kelley and many others
gnuplot home: http://www.gnuplot.info
faq, bugs, etc: type "help FAQ"
immediate help: type "help" (plot window: hit 'h')
Terminal type is now 'qt'
gnuplot> set terminal dumb
Terminal type is now 'dumb'
Options are 'feed size 79, 24 aspect 2, 1 mono'
gnuplot> plot "out.data" using 9 w l
10000 +------------------------------------------------------------------+
| + + + + + + + + + |
9000 |-+ **********************************|
| **************************** |
8000 |-+ * +-|
| ** |
7000 |-+ * +-|
| * |
6000 |-+ ** +-|
| * |
5000 |-+ * +-|
| ** |
4000 |-+* +-|
| * |
3000 |-* +-|
| * |
2000 |** +-|
|* |
1000 |*+ +-|
| + + + + + + + + + |
0 +------------------------------------------------------------------+
0 100 200 300 400 500 600 700 800 900 1000
gnuplot>
gnuplot> exit