0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos."

088fa5d9eaa83bf4b3d59a64c0519f42a143aaa9Alin Brici." This code is free software; you can redistribute it and/or modify it

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." under the terms of the GNU General Public License version 2 only, as

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." published by the Free Software Foundation.

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos."

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." This code is distributed in the hope that it will be useful, but WITHOUT

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." version 2 for more details (a copy is included in the LICENSE file that

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." accompanied this code).

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos."

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." You should have received a copy of the GNU General Public License version

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." 2 along with this work; if not, write to the Free Software Foundation,

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos."

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." or visit www.oracle.com if you need additional information or have any

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos." questions.

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos."

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.TH jstat 1 "16 Mar 2012"

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.LP

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.SH "Name"

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordosjstat \- Java Virtual Machine Statistics Monitoring Tool

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.LP

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.SH "SYNOPSIS"

088fa5d9eaa83bf4b3d59a64c0519f42a143aaa9Alin Brici.LP

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.nf

f277d0ee6abc01fba581c836571dc390ac349de8Brendan Miller\f3

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.fl

e95ef6b1ae95c5684fc1b20063975a2cb29055b9Laszlo Hordos\fP\f3jstat\fP [ \f2generalOption\fP | \f2outputOptions\fP \f2vmid\fP [\f2interval\fP[s|ms] [\f2count\fP]] ]

aa26d20912b59f80d1b06b9c0a34c2d4de507a4fLaszlo Hordos.fl

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.fi

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.LP

c32fc412b63ff49e61e7748fda8a3d2dab890813Laszlo Hordos.SH "PARAMETERS"

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.LP

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.RS 3

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.TP 3

22021f13de98c2ef69055bec833d200f16922bc2Laszlo HordosgeneralOption

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo HordosA single general command\-line option (\-help, \-options, or \-version)

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.TP 3

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo HordosoutputOptions

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo HordosOne or more output options, consisting of a single \f2statOption\fP, plus any of the \-t, \-h, and \-J options.

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.TP 3

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordosvmid

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo HordosVirtual machine identifier, a string indicating the target Java virtual machine (JVM). The general syntax is

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.nf

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos\f3

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.fl

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos[\fP\f4protocol\fP\f3:][//]\fP\f4lvmid\fP[@\f2hostname\fP[:\f2port\fP]/\f2servername\fP]

fe644a7302b3235c08aec5fd7992a329f2ee1364Laszlo Hordos.fl

fe644a7302b3235c08aec5fd7992a329f2ee1364Laszlo Hordos.fi

fe644a7302b3235c08aec5fd7992a329f2ee1364Laszlo HordosThe syntax of the vmid string largely corresponds to the syntax of a URI. The \f2vmid\fP can vary from a simple integer representing a local JVM to a more complex construction specifying a communications protocol, port number, and other implementation\-specific values. See Virtual Machine Identifier for details.

fe644a7302b3235c08aec5fd7992a329f2ee1364Laszlo Hordos.TP 3

fe644a7302b3235c08aec5fd7992a329f2ee1364Laszlo Hordosinterval[s|ms]

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo HordosSampling interval in the specified units, seconds (s) or milliseconds (ms). Default units are milliseconds. Must be a positive integer. If specified, \f3jstat\fP will produce its output at each interval.

c32fc412b63ff49e61e7748fda8a3d2dab890813Laszlo Hordos.TP 3

c32fc412b63ff49e61e7748fda8a3d2dab890813Laszlo Hordoscount

c32fc412b63ff49e61e7748fda8a3d2dab890813Laszlo HordosNumber of samples to display. Default value is infinity; that is, \f3jstat\fP displays statistics until the target JVM terminates or the \f3jstat\fP command is terminated. Must be a positive integer.

c32fc412b63ff49e61e7748fda8a3d2dab890813Laszlo Hordos.RE

fe644a7302b3235c08aec5fd7992a329f2ee1364Laszlo Hordos

c32fc412b63ff49e61e7748fda8a3d2dab890813Laszlo Hordos.LP

c32fc412b63ff49e61e7748fda8a3d2dab890813Laszlo Hordos.SH "DESCRIPTION"

6e2a3debb126632908b48829c5a3f3823c1c60aaLaszlo Hordos.LP

e95ef6b1ae95c5684fc1b20063975a2cb29055b9Laszlo Hordos.LP

e95ef6b1ae95c5684fc1b20063975a2cb29055b9Laszlo HordosThe \f3jstat\fP tool displays performance statistics for an instrumented HotSpot Java virtual machine (JVM). The target JVM is identified by its virtual machine identifier, or \f2vmid\fP option described below.

c32fc412b63ff49e61e7748fda8a3d2dab890813Laszlo Hordos.LP

51c85743b9d73dedd60a0ecad2402c231f71e39dLaszlo Hordos.LP

c32fc412b63ff49e61e7748fda8a3d2dab890813Laszlo Hordos\f3NOTE\fP: This utility is unsupported and may not be available in future versions of the JDK. It is not currently available on Windows 98 and Windows ME. platforms.

e95ef6b1ae95c5684fc1b20063975a2cb29055b9Laszlo Hordos.br

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.LP

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.SS

51c85743b9d73dedd60a0ecad2402c231f71e39dLaszlo HordosVIRTUAL MACHINE IDENTIFIER

51c85743b9d73dedd60a0ecad2402c231f71e39dLaszlo Hordos.LP

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.LP

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan MmillerThe syntax of the \f2vmid\fP string largely corresponds to the syntax of a URI:

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.LP

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.nf

51c85743b9d73dedd60a0ecad2402c231f71e39dLaszlo Hordos\f3

51c85743b9d73dedd60a0ecad2402c231f71e39dLaszlo Hordos.fl

51c85743b9d73dedd60a0ecad2402c231f71e39dLaszlo Hordos[\fP\f4protocol\fP\f3:][//]\fP\f4lvmid\fP[@\f2hostname\fP][:\f2port\fP][/\f2servername\fP]

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.fl

51c85743b9d73dedd60a0ecad2402c231f71e39dLaszlo Hordos.fi

51c85743b9d73dedd60a0ecad2402c231f71e39dLaszlo Hordos

51c85743b9d73dedd60a0ecad2402c231f71e39dLaszlo Hordos.LP

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.RS 3

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.TP 3

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordosprotocol

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo HordosThe communications protocol. If the \f2protocol\fP is omitted and a \f2hostname\fP is not specified, the default protocol is a platform specific optimized local protocol. If the \f2protocol\fP is omitted and a \f2hostname\fP is specified, then the default protocol is \f3rmi\fP.

9797a5587e15fe093b9d962818283cd8e1197ef6Laszlo Hordos.TP 3

27f054fe098cabdf56be9e73e3c689b9ebdacfc5Laszlo Hordoslvmid

51c85743b9d73dedd60a0ecad2402c231f71e39dLaszlo HordosThe local virtual machine identifier for the target JVM. The \f2lvmid\fP is a platform\-specific value that uniquely identifies a JVM on a system. The \f2lvmid\fP is the only required component of a virtual machine identifier. The \f2lvmid\fP is typically, but not necessarily, the operating system's process identifier for the target JVM process. You can use the jps(1) command to determine the \f2lvmid\fP. Also, you can determine \f2lvmid\fP on Unix platforms with the \f3ps\fP command, and on Windows with the Windows Task Manager.

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.TP 3

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordoshostname

9797a5587e15fe093b9d962818283cd8e1197ef6Laszlo HordosA hostname or IP address indicating the target host. If \f2hostname\fP is omitted, then the target host is the local host.

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.TP 3

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordosport

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo HordosThe default port for communicating with the remote server. If the \f2hostname\fP is omitted or the \f2protocol\fP specifies an optimized, local protocol, then \f2port\fP is ignored. Otherwise, treatment of the \f2port\fP parameter is implementation specific. For the default \f3rmi\fP protocol, the \f2port\fP indicates the port number for the rmiregistry on the remote host. If \f2port\fP is omitted, and \f2protocol\fP indicates \f3rmi\fP, then the default rmiregistry port (1099) is used.

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.TP 3

9797a5587e15fe093b9d962818283cd8e1197ef6Laszlo Hordosservername

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan MmillerThe treatment of this parameter depends on implementation. For the optimized local protocol, this field is ignored. For the \f3rmi\fP protocol, it represents the name of the RMI remote object on the remote host.

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.RE

0f6ab51d11efadda72c74d92abc1747773621142Laszlo Hordos

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.LP

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.SH "OPTIONS"

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.LP

27f054fe098cabdf56be9e73e3c689b9ebdacfc5Laszlo Hordos.LP

e95ef6b1ae95c5684fc1b20063975a2cb29055b9Laszlo HordosThe \f3jstat\fP command supports two types of options, general options and output options. General options cause \f3jstat\fP to display simple usage and version information. Output options determine the content and format of the statistical output.

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.br

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.LP

27f054fe098cabdf56be9e73e3c689b9ebdacfc5Laszlo Hordos.LP

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos\f3NOTE\fP: All options, and their functionality are subject to change or removal in future releases.

e95ef6b1ae95c5684fc1b20063975a2cb29055b9Laszlo Hordos.LP

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.SS

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan MmillerGENERAL OPTIONS

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.LP

9797a5587e15fe093b9d962818283cd8e1197ef6Laszlo Hordos.LP

27f054fe098cabdf56be9e73e3c689b9ebdacfc5Laszlo HordosIf you specify one of the general options, you cannot specify any other option or parameter.

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.LP

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo Hordos.RS 3

a0bf2647c3f5c8bb50b03ab767037b5f90242989Laszlo Hordos.TP 3

a0bf2647c3f5c8bb50b03ab767037b5f90242989Laszlo Hordos\-help

f277d0ee6abc01fba581c836571dc390ac349de8Brendan MillerDisplay help message.

a0bf2647c3f5c8bb50b03ab767037b5f90242989Laszlo Hordos.TP 3

968a8ea42a7a90597e80bca047c0e8a70b3b5f5fLaszlo Hordos\-version

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo HordosDisplay version information.

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.TP 3

27f054fe098cabdf56be9e73e3c689b9ebdacfc5Laszlo Hordos\-options

968a8ea42a7a90597e80bca047c0e8a70b3b5f5fLaszlo HordosDisplay list of statistics options. See the Output Options section below.

579ff718e67ce5888eab9740fd497adc8e8b9dedBrendan Mmiller.RE

f277d0ee6abc01fba581c836571dc390ac349de8Brendan Miller

298d6fd085f2d9dc134cc7049faf9ae263881cfcLaszlo Hordos.LP

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.SS

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo HordosOUTPUT OPTIONS

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo Hordos.LP

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo Hordos.LP

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo HordosIf you do not specify a general option, then you can specify output options. Output options determine the content and format of \f3jstat\fP's output, and consist of a single \f2statOption\fP, plus any of the other output options (\-h, \-t, and \-J). The \f2statOption\fP must come first.

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo Hordos.LP

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo Hordos.LP

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo HordosOutput is formatted as a table, with columns are separated by spaces. A header row with titles describes the columns. Use the \f3\-h\fP option to set the frequency at which the header is displayed. Column header names are generally consistent between the different options. In general, if two options provide a column with the same name, then the data source for the two columns are the same.

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo Hordos.LP

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo Hordos.LP

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo HordosUse the \f3\-t\fP option to display a time stamp column, labeled \f2Timestamp\fP as the first column of output. The \f2Timestamp\fP column contains the elapsed time, in seconds, since startup of the target JVM. The resolution of the time stamp is dependent on various factors and is subject to variation due to delayed thread scheduling on heavily loaded systems.

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo Hordos.LP

22021f13de98c2ef69055bec833d200f16922bc2Laszlo Hordos.LP

22021f13de98c2ef69055bec833d200f16922bc2Laszlo HordosUse the \f2interval\fP and \f2count\fP parameters to determine how frequently and how many times, respectively, \f3jstat\fP displays its output.

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.LP

22021f13de98c2ef69055bec833d200f16922bc2Laszlo Hordos.LP

22021f13de98c2ef69055bec833d200f16922bc2Laszlo Hordos\f3NOTE\fP: You are advised not to write scripts to parse \f3jstat's\fP output since the format may change in future releases. If you choose to write scripts that parse \f3jstat\fP output, expect to modify them for future releases of this tool.

22021f13de98c2ef69055bec833d200f16922bc2Laszlo Hordos.LP

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo Hordos.RS 3

22021f13de98c2ef69055bec833d200f16922bc2Laszlo Hordos.TP 3

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo Hordos\-statOption

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo HordosDetermines the statistics information that \f3jstat\fP displays. The following table lists the available options. Use the \f3\-options\fP general option to display the list of options for a particular platform installation.

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.br

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.br

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo Hordos.LP

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.TS

d90caa300251d7fd09e3f286018ce04356a71e62Laszlo Hordos.if \n+(b.=1 .nr d. \n(.c-\n(c.-1

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.de 35

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.ps \n(.s

9797a5587e15fe093b9d962818283cd8e1197ef6Laszlo Hordos.vs \n(.vu

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.in \n(.iu

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.if \n(.u .fi

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.if \n(.j .ad

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.if \n(.j=0 .na

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos..

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.nf

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.nr #~ 0

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.if n .nr #~ 0.6n

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.ds #d .d

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.if \(ts\n(.z\(ts\(ts .ds #d nl

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.fc

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.nr 33 \n(.s

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.rm 80 81

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.nr 34 \n(.lu

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.eo

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.am 81

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.br

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.di a+

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.35

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.ft \n(.f

27f054fe098cabdf56be9e73e3c689b9ebdacfc5Laszlo Hordos.ll \n(34u*1u/3u

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.if \n(.l<\n(81 .ll \n(81u

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.in 0

e95ef6b1ae95c5684fc1b20063975a2cb29055b9Laszlo HordosStatistics on the behavior of the class loader.

e95ef6b1ae95c5684fc1b20063975a2cb29055b9Laszlo Hordos.br

e95ef6b1ae95c5684fc1b20063975a2cb29055b9Laszlo Hordos.di

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.nr a| \n(dn

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.nr a- \n(dl

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos..

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.ec \

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.eo

968a8ea42a7a90597e80bca047c0e8a70b3b5f5fLaszlo Hordos.am 81

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.br

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.di b+

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.35

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.ft \n(.f

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.ll \n(34u*1u/3u

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.if \n(.l<\n(81 .ll \n(81u

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.in 0

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo HordosStatistics of the behavior of the HotSpot Just\-in\-Time compiler.

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.br

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.di

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.nr b| \n(dn

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.nr b- \n(dl

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos..

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.ec \

968a8ea42a7a90597e80bca047c0e8a70b3b5f5fLaszlo Hordos.eo

968a8ea42a7a90597e80bca047c0e8a70b3b5f5fLaszlo Hordos.am 81

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.br

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.di c+

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.35

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.ft \n(.f

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.ll \n(34u*1u/3u

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.if \n(.l<\n(81 .ll \n(81u

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.in 0

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo HordosStatistics of the behavior of the garbage collected heap.

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.br

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.di

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.nr c| \n(dn

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.nr c- \n(dl

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos..

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.ec \

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.eo

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.am 81

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.br

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.di d+

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.35

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.ft \n(.f

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.ll \n(34u*1u/3u

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.if \n(.l<\n(81 .ll \n(81u

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.in 0

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo HordosStatistics of the capacities of the generations and their corresponding spaces.

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.br

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.di

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.nr d| \n(dn

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.nr d- \n(dl

fe644a7302b3235c08aec5fd7992a329f2ee1364Laszlo Hordos..

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.ec \

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.eo

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.am 81

fe644a7302b3235c08aec5fd7992a329f2ee1364Laszlo Hordos.br

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.di e+

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.35

fe644a7302b3235c08aec5fd7992a329f2ee1364Laszlo Hordos.ft \n(.f

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.ll \n(34u*1u/3u

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.if \n(.l<\n(81 .ll \n(81u

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.in 0

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo HordosSummary of garbage collection statistics (same as \f3\-gcutil\fP), with the cause of the last and current (if applicable) garbage collection events.

fe644a7302b3235c08aec5fd7992a329f2ee1364Laszlo Hordos.br

df96152750f1114a1168f7e6e9ea78d579ef35ccLaszlo Hordos.di

a1f638677d6b70887a0eeeab4e30fd2d7dbb5e5eBrendan Mmiller.nr e| \n(dn

0fdda69ce3627d501e4bb3103765f676bb1ab061Laszlo Hordos.nr e- \n(dl

..

.ec \

.eo

.am 81

.br

.di f+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Statistics of the behavior of the new generation.

.br

.di

.nr f| \n(dn

.nr f- \n(dl

..

.ec \

.eo

.am 81

.br

.di g+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Statistics of the sizes of the new generations and its corresponding spaces.

.br

.di

.nr g| \n(dn

.nr g- \n(dl

..

.ec \

.eo

.am 81

.br

.di h+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Statistics of the behavior of the old and permanent generations.

.br

.di

.nr h| \n(dn

.nr h- \n(dl

..

.ec \

.eo

.am 81

.br

.di i+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Statistics of the sizes of the old generation.

.br

.di

.nr i| \n(dn

.nr i- \n(dl

..

.ec \

.eo

.am 81

.br

.di j+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Statistics of the sizes of the permanent generation.

.br

.di

.nr j| \n(dn

.nr j- \n(dl

..

.ec \

.eo

.am 81

.br

.di k+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Summary of garbage collection statistics.

.br

.di

.nr k| \n(dn

.nr k- \n(dl

..

.ec \

.eo

.am 81

.br

.di l+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

HotSpot compilation method statistics.

.br

.di

.nr l| \n(dn

.nr l- \n(dl

..

.ec \

.35

.nf

.ll \n(34u

.nr 80 0

.nr 38 \w\f3Option\fP

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wclass

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wcompiler

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wgc

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wgccapacity

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wgccause

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wgcnew

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wgcnewcapacity

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wgcold

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wgcoldcapacity

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wgcpermcapacity

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wgcutil

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wprintcompilation

.if \n(80<\n(38 .nr 80 \n(38

.80

.rm 80

.nr 81 0

.nr 38 \w\f3Displays...\fP

.if \n(81<\n(38 .nr 81 \n(38

.81

.rm 81

.nr 38 \n(a-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(b-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(c-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(d-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(e-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(f-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(g-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(h-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(i-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(j-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(k-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(l-

.if \n(81<\n(38 .nr 81 \n(38

.35

.nf

.ll \n(34u

.nr 38 1n

.nr 79 0

.nr 40 \n(79+(0*\n(38)

.nr 80 +\n(40

.nr 41 \n(80+(3*\n(38)

.nr 81 +\n(41

.nr TW \n(81

.if t .if \n(TW>\n(.li .tm Table at line 215 file Input is too wide - \n(TW units

.fc

.nr #T 0-1

.nr #a 0-1

.eo

.de T#

.ds #d .d

.if \(ts\n(.z\(ts\(ts .ds #d nl

.mk ##

.nr ## -1v

.ls 1

.ls

..

.ec

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'\f3Option\fP\h'|\n(41u'\f3Displays...\fP

.ne \n(a|u+\n(.Vu

.if (\n(a|+\n(#^-1v)>\n(#- .nr #- +(\n(a|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'class\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.a+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(b|u+\n(.Vu

.if (\n(b|+\n(#^-1v)>\n(#- .nr #- +(\n(b|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'compiler\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.b+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(c|u+\n(.Vu

.if (\n(c|+\n(#^-1v)>\n(#- .nr #- +(\n(c|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'gc\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.c+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(d|u+\n(.Vu

.if (\n(d|+\n(#^-1v)>\n(#- .nr #- +(\n(d|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'gccapacity\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.d+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(e|u+\n(.Vu

.if (\n(e|+\n(#^-1v)>\n(#- .nr #- +(\n(e|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'gccause\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.e+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(f|u+\n(.Vu

.if (\n(f|+\n(#^-1v)>\n(#- .nr #- +(\n(f|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'gcnew\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.f+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(g|u+\n(.Vu

.if (\n(g|+\n(#^-1v)>\n(#- .nr #- +(\n(g|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'gcnewcapacity\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.g+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(h|u+\n(.Vu

.if (\n(h|+\n(#^-1v)>\n(#- .nr #- +(\n(h|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'gcold\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.h+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(i|u+\n(.Vu

.if (\n(i|+\n(#^-1v)>\n(#- .nr #- +(\n(i|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'gcoldcapacity\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.i+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(j|u+\n(.Vu

.if (\n(j|+\n(#^-1v)>\n(#- .nr #- +(\n(j|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'gcpermcapacity\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.j+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(k|u+\n(.Vu

.if (\n(k|+\n(#^-1v)>\n(#- .nr #- +(\n(k|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'gcutil\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.k+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(l|u+\n(.Vu

.if (\n(l|+\n(#^-1v)>\n(#- .nr #- +(\n(l|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'printcompilation\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.l+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.fc

.nr T. 1

.T# 1

.35

.rm a+

.rm b+

.rm c+

.rm d+

.rm e+

.rm f+

.rm g+

.rm h+

.rm i+

.rm j+

.rm k+

.rm l+

.TE

.if \n-(b.=0 .nr c. \n(.c-\n(d.-52

.TP 3

\-h n

Display a column header every \f2n\fP samples (output rows), where \f2n\fP is a positive integer. Default value is 0, which displays the column header above the first row of data.

.TP 3

\-t n

Display a timestamp column as the first column of output. The timestamp is the time since the start time of the target JVM.

.TP 3

\-JjavaOption

Pass \f2javaOption\fP to the \f3java\fP application launcher. For example, \f3\-J\-Xms48m\fP sets the startup memory to 48 megabytes. For a complete list of options, see java(1)

.RE

.LP

.SS

STATOPTIONS AND OUTPUT

.LP

.LP

The following tables summarize the columns that \f3jstat\fP outputs for each \f2statOption\fP.

.br

.LP

.SS

\-class Option

.LP

.LP

.TS

.if \n+(b.=1 .nr d. \n(.c-\n(c.-1

.de 35

.ps \n(.s

.vs \n(.vu

.in \n(.iu

.if \n(.u .fi

.if \n(.j .ad

.if \n(.j=0 .na

..

.nf

.nr #~ 0

.if n .nr #~ 0.6n

.ds #d .d

.if \(ts\n(.z\(ts\(ts .ds #d nl

.fc

.nr 33 \n(.s

.rm 80 81

.nr 34 \n(.lu

.eo

.am 81

.br

.di a+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Number of classes unloaded.

.br

.di

.nr a| \n(dn

.nr a- \n(dl

..

.ec \

.eo

.am 81

.br

.di b+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Number of Kbytes unloaded.

.br

.di

.nr b| \n(dn

.nr b- \n(dl

..

.ec \

.eo

.am 81

.br

.di c+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Time spent performing class load and unload operations.

.br

.di

.nr c| \n(dn

.nr c- \n(dl

..

.ec \

.35

.nf

.ll \n(34u

.nr 80 0

.nr 38 \wClass Loader Statistics

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \w\f3Column\fP

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wLoaded

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wBytes

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wUnloaded

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wBytes

.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wTime

.if \n(80<\n(38 .nr 80 \n(38

.80

.rm 80

.nr 81 0

.nr 38 \w\f3Description\fP

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \wNumber of classes loaded.

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \wNumber of Kbytes loaded.

.if \n(81<\n(38 .nr 81 \n(38

.81

.rm 81

.nr 38 \n(a-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(b-

.if \n(81<\n(38 .nr 81 \n(38

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.ft \n(.f

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Number of compilation tasks performed.

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..

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.eo

.am 81

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Number of compilation tasks that failed.

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..

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.eo

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Number of compilation tasks that were invalidated.

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..

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.eo

.am 81

.br

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Time spent performing compilation tasks.

.br

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..

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.eo

.am 81

.br

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.35

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Compile type of the last failed compilation.

.br

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..

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.eo

.am 81

.br

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.35

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Class name and method for the last failed compilation.

.br

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..

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.35

.nf

.ll \n(34u

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.nr 38 \wHotSpot Just\-In\-Time Compiler Statistics

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.nr 38 \w\f3Column\fP

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.if \n(80<\n(38 .nr 80 \n(38

.80

.rm 80

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.nr 38 \w\f3Description\fP

.if \n(81<\n(38 .nr 81 \n(38

.81

.rm 81

.nr 38 \n(a-

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.nr 38 \n(b-

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.nr 38 \n(c-

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.nr 38 \n(d-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(e-

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.nr 38 \n(f-

.if \n(81<\n(38 .nr 81 \n(38

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.nf

.ll \n(34u

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.if t .if \n(TW>\n(.li .tm Table at line 297 file Input is too wide - \n(TW units

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.eo

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.ta \n(80u \n(81u

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.ta \n(80u \n(81u

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.rm a+

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.TE

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\-gc Option

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.ps \n(.s

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.fc

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.35

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Current survivor space 0 capacity (KB).

.br

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..

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.eo

.am 81

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.35

.ft \n(.f

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Current survivor space 1 capacity (KB).

.br

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..

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.eo

.am 81

.br

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.35

.ft \n(.f

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Survivor space 0 utilization (KB).

.br

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..

.ec \

.eo

.am 81

.br

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.35

.ft \n(.f

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Survivor space 1 utilization (KB).

.br

.di

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..

.ec \

.eo

.am 81

.br

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.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

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Current eden space capacity (KB).

.br

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..

.ec \

.eo

.am 81

.br

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.35

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Eden space utilization (KB).

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..

.ec \

.eo

.am 81

.br

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.35

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Current old space capacity (KB).

.br

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..

.ec \

.eo

.am 81

.br

.di h+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

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Old space utilization (KB).

.br

.di

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..

.ec \

.eo

.am 81

.br

.di i+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

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Current permanent space capacity (KB).

.br

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..

.ec \

.eo

.am 81

.br

.di j+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

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Permanent space utilization (KB).

.br

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..

.ec \

.eo

.am 81

.br

.di k+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

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Number of young generation GC Events.

.br

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..

.ec \

.eo

.am 81

.br

.di l+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Young generation garbage collection time.

.br

.di

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..

.ec \

.eo

.am 81

.br

.di m+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

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Full garbage collection time.

.br

.di

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..

.ec \

.eo

.am 81

.br

.di n+

.35

.ft \n(.f

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Total garbage collection time.

.br

.di

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..

.ec \

.35

.nf

.ll \n(34u

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.nr 38 \wGarbage\-collected heap statistics

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.nr 38 \w\f3Column\fP

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.if \n(80<\n(38 .nr 80 \n(38

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.if \n(80<\n(38 .nr 80 \n(38

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.if \n(80<\n(38 .nr 80 \n(38

.nr 38 \wS1U

.if \n(80<\n(38 .nr 80 \n(38

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.if \n(80<\n(38 .nr 80 \n(38

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.if \n(80<\n(38 .nr 80 \n(38

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.rm 80

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.rm 81

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.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(d-

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.nr 38 \n(e-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(f-

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.nr 38 \n(g-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(h-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(i-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(j-

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.nr 38 \n(k-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(l-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(m-

.if \n(81<\n(38 .nr 81 \n(38

.nr 38 \n(n-

.if \n(81<\n(38 .nr 81 \n(38

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.nf

.ll \n(34u

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.nr 40 \n(79+(0*\n(38)

.nr 80 +\n(40

.nr 41 \n(80+(3*\n(38)

.nr 81 +\n(41

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.if t .if \n(TW>\n(.li .tm Table at line 367 file Input is too wide - \n(TW units

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.eo

.de T#

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..

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.ta \n(80u \n(81u

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.ta \n(80u \n(81u

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.d+

.in -\n(37u

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.if \n(32>\n(31 .nr 31 \n(32

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.ne \n(e|u+\n(.Vu

.if (\n(e|+\n(#^-1v)>\n(#- .nr #- +(\n(e|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'EC\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.e+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(f|u+\n(.Vu

.if (\n(f|+\n(#^-1v)>\n(#- .nr #- +(\n(f|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'EU\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.f+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(g|u+\n(.Vu

.if (\n(g|+\n(#^-1v)>\n(#- .nr #- +(\n(g|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'OC\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.g+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(h|u+\n(.Vu

.if (\n(h|+\n(#^-1v)>\n(#- .nr #- +(\n(h|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'OU\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.h+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(i|u+\n(.Vu

.if (\n(i|+\n(#^-1v)>\n(#- .nr #- +(\n(i|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'PC\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.i+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(j|u+\n(.Vu

.if (\n(j|+\n(#^-1v)>\n(#- .nr #- +(\n(j|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'PU\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.j+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(k|u+\n(.Vu

.if (\n(k|+\n(#^-1v)>\n(#- .nr #- +(\n(k|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'YGC\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.k+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(l|u+\n(.Vu

.if (\n(l|+\n(#^-1v)>\n(#- .nr #- +(\n(l|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'YGCT\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.l+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'FGC\h'|\n(41u'Number of full GC events.

.ne \n(m|u+\n(.Vu

.if (\n(m|+\n(#^-1v)>\n(#- .nr #- +(\n(m|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'FGCT\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.m+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.ne \n(n|u+\n(.Vu

.if (\n(n|+\n(#^-1v)>\n(#- .nr #- +(\n(n|+\n(#^-\n(#--1v)

.ta \n(80u \n(81u

.nr 31 \n(.f

.nr 35 1m

\&\h'|\n(40u'GCT\h'|\n(41u'

.mk ##

.nr 31 \n(##

.sp |\n(##u-1v

.nr 37 \n(41u

.in +\n(37u

.n+

.in -\n(37u

.mk 32

.if \n(32>\n(31 .nr 31 \n(32

.sp |\n(31u

.fc

.nr T. 1

.T# 1

.35

.rm a+

.rm b+

.rm c+

.rm d+

.rm e+

.rm f+

.rm g+

.rm h+

.rm i+

.rm j+

.rm k+

.rm l+

.rm m+

.rm n+

.TE

.if \n-(b.=0 .nr c. \n(.c-\n(d.-63

.LP

.SS

\-gccapacity Option

.LP

.LP

.TS

.if \n+(b.=1 .nr d. \n(.c-\n(c.-1

.de 35

.ps \n(.s

.vs \n(.vu

.in \n(.iu

.if \n(.u .fi

.if \n(.j .ad

.if \n(.j=0 .na

..

.nf

.nr #~ 0

.if n .nr #~ 0.6n

.ds #d .d

.if \(ts\n(.z\(ts\(ts .ds #d nl

.fc

.nr 33 \n(.s

.rm 80 81

.nr 34 \n(.lu

.eo

.am 81

.br

.di a+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Minimum new generation capacity (KB).

.br

.di

.nr a| \n(dn

.nr a- \n(dl

..

.ec \

.eo

.am 81

.br

.di b+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Maximum new generation capacity (KB).

.br

.di

.nr b| \n(dn

.nr b- \n(dl

..

.ec \

.eo

.am 81

.br

.di c+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Current new generation capacity (KB).

.br

.di

.nr c| \n(dn

.nr c- \n(dl

..

.ec \

.eo

.am 81

.br

.di d+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Current survivor space 0 capacity (KB).

.br

.di

.nr d| \n(dn

.nr d- \n(dl

..

.ec \

.eo

.am 81

.br

.di e+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Current survivor space 1 capacity (KB).

.br

.di

.nr e| \n(dn

.nr e- \n(dl

..

.ec \

.eo

.am 81

.br

.di f+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Current eden space capacity (KB).

.br

.di

.nr f| \n(dn

.nr f- \n(dl

..

.ec \

.eo

.am 81

.br

.di g+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Minimum old generation capacity (KB).

.br

.di

.nr g| \n(dn

.nr g- \n(dl

..

.ec \

.eo

.am 81

.br

.di h+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Maximum old generation capacity (KB).

.br

.di

.nr h| \n(dn

.nr h- \n(dl

..

.ec \

.eo

.am 81

.br

.di i+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Current old generation capacity (KB).

.br

.di

.nr i| \n(dn

.nr i- \n(dl

..

.ec \

.eo

.am 81

.br

.di j+

.35

.ft \n(.f

.ll \n(34u*1u/3u

.if \n(.l<\n(81 .ll \n(81u

.in 0

Current old space capacity (KB).

.br

.di

.nr j| \n(dn

.nr j- \n(dl

..

.ec \

.eo

.am 81