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The Code Cache page contains information about the JVM code cache.
This page displays code cache information both tables and graphs.
Using the Code Cache Page: Selections and Aspects
Use the drop-down menus at the top of the page to choose a selection and aspect if desired. Data from other pages can be saved to the selection drop-down menu by dragging an area of a chart (or selecting data from a table) and choosing Store Selection or Store Selection and Set As Focused Selection from the context menu.
Show concurrent: Show all events concurrent to the selected aspect.
Intersecting: Show all events that intersect the original events, or only those contained in the same timespan.
All threads: Show events in all threads or only in threads related to the original events.
Using the Code Cache Page: Tables and Graphs
You can select the following data to be displayed on the graph:
Entries:
Methods:
Adaptors:
Unallocated:
Methods Swept: The total number of methods swept.
Methods Flushed
: The total number of methods flushed.Methods Reclaimed
: The total number methods reclaimed.Methods Zombified: The total number of methods zombified.
Sweeps: The number of code cache sweeps.
Table columns are labeled as follows:
Start Time:
Sweep Index:
Sweep Fraction Index:
Duration:
Methods Flushed:
Methods Reclaimed:
Methods Swept:
Methods Zombified
:Thread:
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