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4-6 PATROL for BEA WebLogic User Guide
Estimating Response Times
PATROL for BEA WebLogic contains a Probe feature to estimate server
response times. Two timing metrics are provided: response times for
serving local or remote web pages in response to iterative requests, or
timing data on ping operations with s user-specified packet size.
A Probe administration feature lets you manage timing information using
annotated data points or PATROL event generation on the AvgPingTime
or AvgConnTime parameters. Commands are provided to report timing
information in the task window. The Probe is available under the
administration server icon.
The Probe provides timing data at a macro level. Precise timing data can
be generated and monitored for most components of J2EE web
applications running in the WebLogic environment. You can use this data
to find slow-performing web applications, EJBs, servlets, and SQL
statements, and in many cases, isolate and instrument the performance
down to the method level. See “Instrumenting and Profiling J2EE
Components” on page 9-1.
This section describes how to use the Probe feature.
