This is the command gc-analyze-5 that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
gc-analyze - Analyze Garbage Collector (GC) memory dumps
SYNOPSIS
gc-analyze [OPTION] ... [file]
DESCRIPTION
gc-analyze prints an analysis of a GC memory dump to standard out.
The memory dumps may be created by calling "gnu.gcj.util.GCInfo.enumerate(String
namePrefix)" from java code. A memory dump will be created on an out of memory condition
if "gnu.gcj.util.GCInfo.setOOMDump(String namePrefix)" is called before the out of memory
occurs.
Running this program will create two files: TestDump001 and TestDump001.bytes.
import gnu.gcj.util.*;
import java.util.*;
public class GCDumpTest
{
static public void main(String args[])
{
ArrayList<String> l = new ArrayList<String>(1000);
for (int i = 1; i < 1500; i++) {
l.add("This is string #" + i);
}
GCInfo.enumerate("TestDump");
}
}
The memory dump may then be displayed by running:
gc-analyze -v TestDump001
OPTIONS
--verbose
-v Verbose output.
-p tool-prefix
Prefix added to the names of the nm and readelf commands.
-d directory
Directory that contains the executable and shared libraries used when the dump was
generated.
--help
Print a help message, then exit.
--version
Print version information, then exit.
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