在使用jmeter与jenkins对接时，发现默认打印出来的日志就是正常的summary统计，如果要查看日志，只能通过jmeter.log去查看。
来来来，我们一起温习下jmeter的命令行参数
--?
print command line options and exit
-h, --help
print usage information and exit
-v, --version
print the version information and exit
-p, --propfile <argument>
the jmeter property file to use
-q, --addprop <argument>
additional JMeter property file(s)
-t, --testfile <argument>
the jmeter test(.jmx) file to run. "-t LAST" will load last
used file
-l, --logfile <argument>
the file to log samples to
-i, --jmeterlogconf <argument>
jmeter logging configuration file (log4j2.xml)
-j, --jmeterlogfile <argument>
jmeter run log file (jmeter.log)
-n, --nongui
run JMeter in nongui mode
-s, --server
run the JMeter server
-H, --proxyHost <argument>
Set a proxy server for JMeter to use
-P, --proxyPort <argument>
Set proxy server port for JMeter to use
-N, --nonProxyHosts <argument>
Set nonproxy host list (e.g. *.apache.org|localhost)
-u, --username <argument>
Set username for proxy server that JMeter is to use
-a, --password <argument>
Set password for proxy server that JMeter is to use
-J, --jmeterproperty <argument>=<value>
Define additional JMeter properties
-G, --globalproperty <argument>=<value>
Define Global properties (sent to servers)
e.g. -Gport=123
or -Gglobal.properties
-D, --systemproperty <argument>=<value>
Define additional system properties
-S, --systemPropertyFile <argument>
additional system property file(s)
-f, --forceDeleteResultFile
force delete existing results files before start the test
-L, --loglevel <argument>=<value>
[category=]level e.g. jorphan=INFO, jmeter.util=DEBUG or com
.example.foo=WARN
-r, --runremote
Start remote servers (as defined in remote_hosts)
-R, --remotestart <argument>
Start these remote servers (overrides remote_hosts)
-d, --homedir <argument>
the jmeter home directory to use
-X, --remoteexit
Exit the remote servers at end of test (non-GUI)
-g, --reportonly <argument>
generate report dashboard only, from a test results file
-e, --reportatendofloadtests
generate report dashboard after load test
-o, --reportoutputfolder <argument>
output folder for report dashboard
其中-l表示将请求日志另存为，-j表示将jmter运行文件另存为
我们在jmeter非界面中输出的日志叫标准输出，因此，如果想要将对应日志输出至标准日志，只要重定向为/dev/stdout
如:
jmeter.sh -n -t Base.jmx -j /dev/stdout ----将jmeter运行日志输出在屏幕中
jmeter.sh -n -t Base.jmx -l /dev/stdout ---将请求日志输出在屏幕中
重定向至标准输出后，对应的日志文件就为空了