ApacheBenchmark和gnuplot

curl localhost
ab -V

-n requests     Number of requests to perform
-c concurrency  Number of multiple requests to make at a time
-t timelimit    Seconds to max. to spend on benchmarking
                This implies -n 50000
-s timeout      Seconds to max. wait for each response
                Default is 30 seconds
-b windowsize   Size of TCP send/receive buffer, in bytes
-B address      Address to bind to when making outgoing connections
-p postfile     File containing data to POST. Remember also to set -T
-u putfile      File containing data to PUT. Remember also to set -T
-T content-type Content-type header to use for POST/PUT data, eg.
                'application/x-www-form-urlencoded'
                Default is 'text/plain'
-v verbosity    How much troubleshooting info to print
-w              Print out results in HTML tables
-i              Use HEAD instead of GET
-x attributes   String to insert as table attributes
-y attributes   String to insert as tr attributes
-z attributes   String to insert as td or th attributes
-C attribute    Add cookie, eg. 'Apache=1234'. (repeatable)
-H attribute    Add Arbitrary header line, eg. 'Accept-Encoding: gzip'
                Inserted after all normal header lines. (repeatable)
-A attribute    Add Basic WWW Authentication, the attributes
                are a colon separated username and password.
-P attribute    Add Basic Proxy Authentication, the attributes
                are a colon separated username and password.
-X proxy:port   Proxyserver and port number to use
-V              Print version number and exit
-k              Use HTTP KeepAlive feature
-d              Do not show percentiles served table.
-S              Do not show confidence estimators and warnings.
-q              Do not show progress when doing more than 150 requests
-l              Accept variable document length (use this for dynamic pages)
-g filename     Output collected data to gnuplot format file.
-e filename     Output CSV file with percentages served
-r              Don't exit on socket receive errors.
-m method       Method name
-h              Display usage information (this message)
-Z ciphersuite  Specify SSL/TLS cipher suite (See openssl ciphers)
-f protocol     Specify SSL/TLS protocol
                (TLS1, TLS1.1, TLS1.2 or ALL)

This is ApacheBench, Version 2.3 <$Revision: 1706008 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient).....done

Server Software:        Apache/2.4.18
Server Hostname:        localhost
Server Port:            80

Document Path:          /
Document Length:        11321 bytes

Concurrency Level:      10
Time taken for tests:   0.013 seconds
Complete requests:      100
Failed requests:        0
Total transferred:      1159500 bytes
HTML transferred:       1132100 bytes
# 相当于LoadRunner中的每秒事务数
Requests per second:    7841.29 [#/sec] (mean)
# 相当于LoadRunner中的平均事务响应时间
Time per request:       1.275 [ms] (mean)
# 每个连接请求实际运行时间的平均值
Time per request:       0.128 [ms] (mean, across all concurrent requests)
Transfer rate:          88788.85 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.1      0       1
Processing:     0    1   0.3      1       1
Waiting:        0    0   0.2      0       1
Total:          1    1   0.3      1       2

Percentage of the requests served within a certain time (ms)
  50%      1
  66%      1
  75%      1
  80%      1
  90%      2
  95%      2
  98%      2
  99%      2
 100%      2 (longest request)

The program 'gnuplot' can be found in the following packages:
 * gnuplot-nox
 * gnuplot-qt
 * gnuplot-x11
 * gnuplot5-nox
 * gnuplot5-qt
 * gnuplot5-x11
Try: sudo apt install <selected package>

set terminal dumb
plot sin(x)

# 绘制sin
set xlabel 'x'
set ylabel 'y'
plot sin(x)

# output as png image
set terminal png

# save file to "t10.png"
set output "t10.png"

# graph title
set title "ab -g t10.dat -t 10 -n 1000000 http://localhost/"

# nicer aspect ratio for image size
set size 1,0.7

# y-axis grid
set grid y

#x-axis label
set xlabel "request"

#y-axis label
set ylabel "response time (ms)"

#plot data from "t10.dat" using column 9 with smooth sbezier lines
plot "t10.dat" using 9 smooth sbezier with lines title "t10"

#!/bin/bash
start_time=`awk '{print $6}' t10.dat | grep -v 'wait' | sort | uniq -c|head -1|awk '{print $2}'`
awk '{print $6}' t10.dat | grep -v 'wait' | sort | uniq -c|awk -v t=$start_time '{print $2-t,$1}' > epochtime.dat

chmod a+x pt10.sh
./pt10.sh

# output as png image
set terminal png  size 1000,560
set output "throughput.png"
#graph title
set title "Throughput"
set key invert reverse Left outside
# nicer aspect ratio for image size
#set size 1,0.6
# y-axis grid
set grid y
# x-axis label
set xlabel "time"
# y-axis label
set ylabel "responses per second"
plot "epochtime.dat" using 1:2 with lines title "t10"