GC-ANALYZE - Online Linux Manual Page

Section : 1
Updated : 2015-06-26
Source : gcc-4.9.3
Note : GNU
NAMEgc−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.
SEE ALSO
COPYRIGHTCopyright (c) 2001−2014 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, the Front-Cover Texts being (a) (see below), and with the Back-Cover Texts being (b) (see below). A copy of the license is included in the man page gfdl (7). (a) The FSF's Front-Cover Text is: ​ A GNU Manual (b) The FSF's Back-Cover Text is: ​ You have freedom to copy and modify this GNU Manual, like GNU ​ software. Copies published by the Free Software Foundation raise ​ funds for GNU development. 0
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