1) As documented here:
APM 8.1 product, with the HTTP server agent (product code : hu) and with the Response time agent (product code : t5), provides Real End user Transaction Monitoring (Browser timings).
2) As documented here:
details about IBM HTTP Server Response Time module can be found here:
it's also known as : "wrt_module" -> this is the IBM HTTP Server Response Time module
3) As documented here:
"The IBM HTTP Server Response Time module is installed and configured as part of the HTTP Server agent. The IBM HTTP Server Response Time module only works in conjunction with IBM HTTP Server and Apache HTTP Server on AIX, Linux, and Windows. The IBM HTTP Server Response Time module monitors all ports for HTTP and HTTPS requests.
access your monitored url : http(s)://<uri>, using for example Firefox browser.
then check, using Firefox browser with developer-mode GUI under the Network tab, with :
-disable cache option is enabled
and the network capture should show results like :
- status 200, Method: GET wrt_perf_timing.js script is seen
- status 200, Method: POST WrtTarget.dat xhr is seen
if that's NOT the case, then enable extra tracing, following these steps:
Edit the monitored HTTP web server configuration file httpd.conf (e.g. /opt/IBM/HTTPServer/conf/httpd.conf)
Add the 2 following lines in bold, after the line that was added by/for HTTP server agent (hu), like for example :
save httpd.conf file
restart the HTTP server
collect and send the HTTP server error log file (e.g. /opt/IBM/HTTPServer/logs/error_log)
In this http server error log file, you should find messages starting with:
"injectCode: formattedString" and then the value of "wrt_request_url" is the accessed URL of the request.
Example of error_log content :
5) Current limitations of RT agent:
RT agent can get data from :
IBM HTTP Server Response Time module.
About Packet Analyzer:
By default the Packet Analyzer only monitors content type 'text/html'. With some setting change, it can monitor other requests (*).
The Packet Analyzer supports to monitor gzip compressed requests.
(*) For Packet Analyzer to monitor other request, you can refer to the following link which gives an example:
RT agent is typically used to monitor the performance and availability of web-based applications. By default It only support pure HTTP request (text/html)
About IBM HTTP Server Response Time module:
The IBM HTTP Server Response Time module have the following limitations:
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