How to implement apache to record request response time log

The specific steps are as follows:

(Related recommendations: apache tutorial)

Find the apache configuration file

netstat -nap | grep 80
# 找到对应端口进程 31114
tcp6       0      0 :::4430                 :::*                    LISTEN      31114/httpd
ps auxf | grep 31114
# 找到对应apache的进程命令中的配置文件*.conf的路径，到指定路径修改配置文件，例如
vim httpd.conf

Modify the VirtualHost under the specified port

<VirtualHost 80>
.......
CustomLog "/var/prof.log" "[%a]%{%F %T}t id=%{APIIndex}i time=%D(us) url=%U%q"
</VirtualHost>

指令： CustomLog "/var/prof.log" "[%a]%{%F %T}t id=%{APIIndex}i time=%D(us) url=%U%q"

%D - Official explanation: Time taken to process the request, in millis, the time taken to process the request, in microseconds
%T - Official Explanation: Time taken to process the request, in seconds, time taken to process the request, in seconds
%{ms}T - Official explanation: Time taken to commit the response, in millis, time taken to submit the response, in milliseconds Restart apache after modifying the unit

, and observe the log output data as follows:

[200.200.222.95]2019-03-04 15:39:32 id=- time=100107(us) url=/apps/secvisual/home/home/on_dev_manage
[200.200.222.95]2019-03-04 15:39:38 id=- time=106476(us) url=/apps/secvisual/home/home/on_dev_manage
[200.200.222.95]2019-03-04 15:39:43 id=- time=101263(us) url=/apps/secvisual/home/home/on_dev_manage
[200.200.222.95]2019-03-04 15:39:48 id=- time=101333(us) url=/apps/secvisual/home/home/on_dev_manage

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