HPjmeter 4.3 User's Guide

Lock Contention Ratio by Method*
Contested Lock Claims divided by All Lock Claims for each method. This gives the average frequency
with which the method encountered a taken lock. A method must have claimed a lock at least five
times to be included in this metric.
Related Topics
• Mark an Item for Search (page 203)
• Find a Search Pattern (page 204)
Average Exclusive Method Lock Delay*
Method Exclusive Lock Delay divided by the number of calls to the method. For synchronized
methods, this is the average delay caused by calling the method.
Related Topics
• Inclusive Versus Exclusive Time (page 82)
• Mark an Item for Search (page 203)
• Find a Search Pattern (page 204)
Exclusive Method Lock Delay / Clock Time*
Method Exclusive Lock Delay divided by the Exclusive Clock Time. For each method, this gives the
ratio of time wasted on synchronization to the total time spent in the method.
Related Topics
• Inclusive Versus Exclusive Time (page 82)
• Time Units (page 82)
• Mark an Item for Search (page 203)
• Find a Search Pattern (page 204)
Average Inclusive Method Lock Delay*
Method Inclusive Lock Delay divided by the number of calls to the method. This gives the average
delay caused by synchronization for a high-level operation.
Related Topics
• Inclusive Versus Exclusive Time (page 82)
• Mark an Item for Search (page 203)
• Find a Search Pattern (page 204)
Inclusive Method Lock Delay / Clock Time*
Method Inclusive Lock Delay divided by the Inclusive Clock Time. For each high-level operation,
this gives the ratio of time wasted on synchronization to the total time spent in the operation.
Related Topics
• Inclusive Versus Exclusive Time (page 82)
• Time Units (page 82)
• Mark an Item for Search (page 203)
• Find a Search Pattern (page 204)
Exclusive Class Lock Delay*
The total of the Exclusive Method Lock Delay, summed over all methods of the class. To see the list
of all contributing methods, double click on the class name. If a class is used as a monitor with
Using Profile Displays 179