Some JRMC Commands

Some JRMC commands

JRMC commands and their outputs:

Command:
jrcmd 864 print_class_summary

Output:
*****class java/security/cert/CertificateParsingException
****class java/security/SignatureException
****class java/security/DigestException
****class java/security/NoSuchProviderException
****class java/security/NoSuchAlgorithmException
***class javax/naming/NamingException
****class javax/naming/CommunicationException
****class javax/naming/NameAlreadyBoundException
****class javax/naming/NamingSecurityException
*****class javax/naming/NoPermissionException
****class javax/naming/NameNotFoundException
*****class weblogic/jndi/internal/AdminModeAccessException
****class javax/naming/ConfigurationException
****class javax/naming/InvalidNameException
***class java/lang/InterruptedException
*****class java/rmi/server/ExportException
****class javax/management/remote/JMXProviderException
****class java/nio/charset/CharacterCodingException
****class java/io/EOFException
****class java/util/zip/ZipException
****class java/io/FileNotFoundException
*****class weblogic/utils/jars/JarFileUtils$PathLengthException
****class java/net/UnknownHostException
****class java/net/MalformedURLException
****class java/io/UnsupportedEncodingException
***class java/lang/IllegalAccessException
***class java/lang/ClassNotFoundException
***class java/security/PrivilegedActionException
***class java/lang/NoSuchFieldException
***class java/lang/reflect/InvocationTargetException
***class java/lang/RuntimeException
****class org/apache/commons/beanutils/ConversionException
****class org/apache/beehive/netui/util/config/ConfigInitializationException
****class org/apache/commons/logging/LogConfigurationException
****class javax/xml/rpc/soap/SOAPFaultException
****class javax/xml/rpc/JAXRPCException
****class org/apache/commons/beanutils/ConversionException
****class org/apache/beehive/netui/util/config/ConfigInitializationException
****class java/lang/annotation/IncompleteAnnotationException
****class weblogic/xml/schema/binding/util/ClassUtil$ClassUtilException
****class com/sun/org/apache/xerces/internal/impl/xpath/regex/ParseException
****class org/apache/commons/logging/LogConfigurationException
****class javax/ejb/EJBException
****class org/apache/oro/text/MalformedCachePatternException
*****class org/apache/oro/text/perl/MalformedPerl5PatternException
****class weblogic/wsee/deploy/WSEEServletEndpointException
****class weblogic/cluster/migration/MigrationException
****class weblogic/rmi/extensions/NotImplementedException
****class sun/security/util/PendingException
****class com/bea/common/engine/SecurityServiceRuntimeException
*****class com/bea/common/engine/InvalidParameterException
*****class com/sun/org/apache/xerces/internal/xni/parser/XMLParseException
*****class com/sun/org/apache/xerces/internal/xni/parser/XMLConfigurationExcepti
on
****class com/bea/xml/XmlRuntimeException
*****class com/bea/xml/SchemaTypeLoaderException
****class com/bea/xbean/regex/ParseException
****class com/bea/xbean/values/XmlValueDisconnectedException
****class weblogic/utils/NestedRuntimeException
*****class weblogic/security/providers/authentication/LDAPAtnDelegateException
*****class weblogic/security/SecurityInitializationException
*****class weblogic/ldap/EmbeddedLDAPException
*****class weblogic/security/internal/encryption/EncryptionServiceException
***class javax/xml/parsers/FactoryFinder$ConfigurationError
***class weblogic/utils/NestedError
****class weblogic/management/configuration/ConfigurationError
****class weblogic/utils/AssertionError
***class sun/management/AgentConfigurationError
***class bea/jrockit/management/server/Main$AgentError
***class java/lang/AssertionError
***class java/lang/VirtualMachineError
****class java/lang/UnknownError
****class java/lang/InternalError
****class java/lang/OutOfMemoryError
****class java/lang/StackOverflowError
*class java/lang/Thread
**class weblogic/deploy/api/spi/deploy/WebLogicDeploymentManagerImpl$1
**class weblogic/platform/GCMonitorThread
**class com/octetstring/vde/DoSManager
**class com/octetstring/vde/frontend/LDAP
**class com/octetstring/vde/backend/standard/TransactionProcessor
**class com/octetstring/vde/util/TimedActivityThread
**class com/octetstring/vde/LDAPServer
**class weblogic/timers/internal/TimerThread$Thread
**class weblogic/t3/srvr/T3Srvr$2
**class weblogic/kernel/AuditableThread
***class weblogic/server/channels/ServerThread
***class weblogic/kernel/ExecuteThread
****class weblogic/kernel/ServerExecuteThread
***class weblogic/work/ExecuteThread
**class weblogic/t3/srvr/ShutdownOnExitThread
**class java/util/TimerThread
**class java/util/logging/LogManager$Cleaner
**class java/lang/ref/Reference$ReferenceHandler
*class jrockit/vm/RNI
*class jrockit/vm/Reflect
*class jrockit/vm/VM
**class jrockit/vm/Locks
*class jrockit/vm/AccessController
*class java/lang/reflect/AccessibleObject
**class java/lang/reflect/Constructor
**class java/lang/reflect/Field
**class java/lang/reflect/Method
*class java/lang/String
*class [Z
*class [S
*class [D
*class [F
*class [J
*class [I
*class [C
*class [B
*class java/lang/Class
^^^^^^ Class Summary Information ends here ^^^^^^

Command:

jrcmd 864 print_object_summary increaseonly=true
864:

Output
--------- Detailed Heap Statistics: ---------
36.4% 10151k 125390 +10151k [C
11.2% 3119k 133108 +3119k java/lang/String
4.7% 1304k 11928 +1304k java/lang/Class
4.4% 1215k 2722 +1215k [B
3.4% 946k 10371 +946k [Ljava/util/HashMap$Entry;
3.2% 889k 37944 +889k java/util/HashMap$Entry
2.5% 701k 9127 +701k [Ljava/lang/Object;
1.8% 512k 16401 +512k java/util/TreeMap$Entry
1.6% 439k 23655 +439k [Lcom/bea/staxb/buildtime/internal/bts/JavaTypeName;

1.5% 410k 13138 +410k java/util/LinkedHashMap$Entry
1.5% 409k 7479 +409k com/bea/staxb/buildtime/internal/bts/QNameProperty
1.4% 387k 16512 +387k java/util/Hashtable$Entry
1.4% 382k 8155 +382k java/util/HashMap
1.3% 367k 23536 +367k com/bea/staxb/buildtime/internal/bts/MethodName
1.2% 339k 14505 +339k javax/xml/namespace/QName
1.1% 308k 13173 +308k com/bea/staxb/buildtime/internal/bts/JavaTypeName
1.0% 283k 1197 +283k [I
0.9% 256k 2875 +256k [Ljava/util/Hashtable$Entry;
0.8% 211k 2704 +211k com/bea/staxb/runtime/internal/ByNameRuntimeBindingType$ElementQNameProperty
0.7% 206k 5539 +206k [Ljava/lang/String;
0.7% 194k 2492 +194k java/lang/reflect/Method
0.7% 183k 5860 +183k java/lang/ref/SoftReference
0.5% 144k 6171 +144k java/lang/ref/WeakReference
27856kB total ---

--------- End of Detailed Heap Statistics ---

Command:

jrcmd 864 print_threads

Output:


===== FULL THREAD DUMP ===============
Thu Jan 28 01:41:58 2010
BEA JRockit(R) R27.2.0-131-78843-1.5.0_10-20070320-1457-windows-ia32

"Main Thread" id=1 idx=0x4 tid=236 prio=5 alive, in native, waiting
-- Waiting for notification on: weblogic/t3/srvr/T3Srvr@0x0ABAF240[fat lock]
at jrockit/vm/Threads.waitForSignal(J)Z(Native Method)
at java/lang/Object.wait(J)V(Native Method)
at java/lang/Object.wait(Object.java:474)
at weblogic/t3/srvr/T3Srvr.waitForDeath(T3Srvr.java:730)
^-- Lock released while waiting: weblogic/t3/srvr/T3Srvr@0x0ABAF240[fat lock]
at weblogic/t3/srvr/T3Srvr.run(T3Srvr.java:380)
at weblogic/Server.main(Server.java:67)
at jrockit/vm/RNI.c2java(IIII)V(Native Method)
-- end of trace

"(Signal Handler)" id=2 idx=0x8 tid=1872 prio=5 alive, in native, daemon

"(Code Generation Thread 1)" id=3 idx=0xc tid=2956 prio=5 alive, in native, native
_waiting, daemon

"(Code Optimization Thread 1)" id=4 idx=0x10 tid=2880 prio=5 alive, in native, nat
ive_waiting, daemon

"(GC Main Thread)" id=5 idx=0x14 tid=2064 prio=5 alive, in native, daemon

"(GC Worker Thread 1)" id=? idx=0x18 tid=1136 prio=5 alive, in native, native_wait
ing, daemon

"(GC Worker Thread 2)" id=? idx=0x1c tid=2056 prio=5 alive, in native, native_wait
ing, daemon

"(VM Periodic Task)" id=6 idx=0x20 tid=3284 prio=10 alive, in native, daemon

"(Attach Listener)" id=7 idx=0x24 tid=2392 prio=5 alive, in native, daemon

"Finalizer" id=8 idx=0x28 tid=2368 prio=8 alive, in native, native_waiting, daemon

at jrockit/memory/Finalizer.getPendingFinalizee(Z)Ljava/lang/Object;(Native Me
thod)
at jrockit/memory/Finalizer.access$100(Z)Ljava/lang/Object;(Unknown Source)
at jrockit/memory/Finalizer$4.run()V(Unknown Source)
at java/lang/Thread.run(Thread.java:595)
at jrockit/vm/RNI.c2java(IIII)V(Native Method)
-- end of trace

"Reference Handler" id=9 idx=0x2c tid=2312 prio=10 alive, in native, native_waitin
g, daemon
at java/lang/ref/Reference.getPending()Ljava/lang/ref/Reference;(Native Method
)
at java/lang/ref/Reference.access$000()Ljava/lang/ref/Reference;(Unknown Sourc
e)
at java/lang/ref/Reference$ReferenceHandler.run()V(Unknown Source)
at jrockit/vm/RNI.c2java(IIII)V(Native Method)
-- end of trace

"(Sensor Event Thread)" id=10 idx=0x30 tid=2952 prio=5 alive, in native, daemon
----------

===== END OF THREAD DUMP ===============

Command:
>jrcmd 864 verbosity set=memory,memdbg,codegen,opt,sampling filename="output.log"
864:

Output
Current logstatus:
jrockit : level=WARN, decorations=101, sanity=NONE
memory (gc) : level=INFO, decorations=101, sanity=NONE
nursery (yc) : level=WARN, decorations=101, sanity=NONE
model : level=WARN, decorations=101, sanity=NONE
devirtual : level=WARN, decorations=101, sanity=NONE
codegen (code) : level=INFO, decorations=101, sanity=NONE
native (jni) : level=WARN, decorations=101, sanity=NONE
thread : level=WARN, decorations=101, sanity=NONE
opt : level=INFO, decorations=101, sanity=NONE
load (lib) : level=WARN, decorations=101, sanity=NONE
ssa : level=WARN, decorations=101, sanity=NONE
constprop : level=WARN, decorations=101, sanity=NONE
inline : level=WARN, decorations=101, sanity=NONE
preprocess : level=WARN, decorations=101, sanity=NONE
jvmpi : level=WARN, decorations=101, sanity=NONE
memdbg : level=INFO, decorations=101, sanity=NONE
jvmtidbg : level=WARN, decorations=101, sanity=NONE
sampling (hotspot) : level=INFO, decorations=101, sanity=NONE
cpuinfo : level=WARN, decorations=101, sanity=NONE
cpuid : level=WARN, decorations=101, sanity=NONE
sym : level=WARN, decorations=101, sanity=NONE
codegc : level=WARN, decorations=101, sanity=NONE
classgc : level=WARN, decorations=101, sanity=NONE
errorsim (esim) : level=WARN, decorations=101, sanity=NONE
memprof (mp) : level=WARN, decorations=101, sanity=NONE
jvmti : level=WARN, decorations=101, sanity=NONE
gcpause : level=WARN, decorations=101, sanity=NONE
gcreport : level=WARN, decorations=101, sanity=NONE
finalizer : level=WARN, decorations=101, sanity=NONE
jripc : level=WARN, decorations=101, sanity=NONE
memleak : level=WARN, decorations=101, sanity=NONE
compaction : level=WARN, decorations=101, sanity=NONE
dpgo : level=WARN, decorations=101, sanity=NONE
license : level=WARN, decorations=101, sanity=NONE
tasks : level=WARN, decorations=101, sanity=NONE
exceptions : level=WARN, decorations=141, sanity=NONE
stackoverflow : level=WARN, decorations=141, sanity=NONE
sysgc (systemgc) : level=WARN, decorations=101, sanity=NONE
locks : level=WARN, decorations=101, sanity=NONE
strcmp : level=WARN, decorations=101, sanity=NONE
bca : level=WARN, decorations=101, sanity=NONE
ir : level=WARN, decorations=101, sanity=NONE
starttime : level=WARN, decorations=101, sanity=NONE
largepages : level=WARN, decorations=101, sanity=NONE
mgmnt (management) : level=WARN, decorations=101, sanity=NONE
jmm : level=WARN, decorations=101, sanity=NONE
perf : level=WARN, decorations=101, sanity=NONE
attach : level=WARN, decorations=101, sanity=NONE
referents (verboserefs) : level=WARN, decorations=101, sanity=NONE
class : level=WARN, decorations=101, sanity=NONE
intrinsics (intrinsic) : level=WARN, decorations=101, sanity=NONE
verify (verifier) : level=WARN, decorations=101, sanity=NONE
jra : level=WARN, decorations=101, sanity=NONE
timing : level=WARN, decorations=101, sanity=NONE

Command:

>jrcmd 864 timestamp
864:

Output:
==== Timestamp ==== uptime: 0 days, 00:17:34 time: Thu Jan 28 01:46:22 2010

Command:

>jrcmd 864 print_memusage
864:
[JRockit] memtrace is collecting data...
[JRockit] *** 0th memory utilization report
(all numbers are in kbytes)
Total mapped ;;;;;;; 733268
; Total in-use ;;;;;; 415560
;; executable ;;;;; 11572
;;; java code ;;;; 5952; 51.4%
;;;; used ;;; 5626; 94.5%
;; shared modules (exec+ro+rw) ;;;;; 14168
;; guards ;;;;; 544
;; readonly ;;;;; 2536
;; rw-memory ;;;;; 398312
;;; Java-heap ;;;; 262144; 65.8%
;;; Stacks ;;;; 4008; 1.0%
;;; Native-memory ;;;; 132159; 33.2%
;;;; java-heap-overhead ;;; 10155
;;;; codegen memory ;;; 1088
;;;; classes ;;; 56320; 42.6%
;;;;; method bytecode ;; 6374
;;;;; method structs ;; 6889 (#146974)
;;;;; constantpool ;; 23334
;;;;; classblock ;; 2185
;;;;; class ;; 3703 (#11938)
;;;;; other classdata ;; 8443
;;;;; overhead ;; 442
;;;; threads ;;; 20; 0.0%
;;;; malloc:ed memory ;;; 29814; 22.6%
;;;;; codeinfo ;; 1306
;;;;; codeinfotrees ;; 492
;;;;; exceptiontables ;; 170
;;;;; metainfo/livemaptable ;; 5894
;;;;; codeblock structs ;; 2
;;;;; constants ;; 10
;;;;; livemap global tables ;; 1027
;;;;; callprof cache ;; 0
;;;;; paraminfo ;; 116 (#1622)
;;;;; strings ;; 10863 (#185955)
;;;;; strings(jstring) ;; 0
;;;;; typegraph ;; 2871
;;;;; interface implementor list ;; 283
;;;;; thread contexts ;; 25
;;;;; jar/zip memory ;; 9862
;;;;; native handle memory ;; 21
;;;; unaccounted for memory ;;; 34781; 26.3%;1.17
---------------------!!!

Command:
>jrcmd 864 heap_diagnostics

Output:

======== BEGIN OF HEAPDIAGNOSTIC =========================



Invoked from diagnosticcommand



Total memory in system: 8377249792 bytes

Available physical memory in system: 1293717504 bytes

-Xmx (maximal heap size) is 4294967296 bytes

Heapsize: 4294967296 bytes

Free heap-memory: 3712605608 bytes



mmStartCompaction = 0x2b1e042b0000, mmEndCompaction = 0x2b1e082b0018





Memory layout:

00010000-003d0000 rwxp 00010000 00:00 0

00400000-00412000 r-xp 00000000 fd:04 1287492                            /opt/jrmc-3.1.0-1.5.0/bin/java

00420000-004e0000 rwxp 00420000 00:00 0

00511000-00513000 rwxp 00011000 fd:04 1287492                            /opt/jrmc-3.1.0-1.5.0/bin/java

00520000-07d60000 rwxp 00520000 00:00 0

07d7a000-0f9a5000 rwxp 07d7a000 00:00 0

0f9b0000-15ff0000 rwxp 0f9b0000 00:00 0

4005b000-4005d000 rwxp 4005b000 00:00 0

4005d000-40060000 ---p 4005d000 00:00 0

40060000-4009f000 rwxp 40060000 00:00 0

4009f000-400a2000 ---p 4009f000 00:00 0



--------- Detailed Heap Statistics: ---------

21.5% 72399k   637351     +0k [C

8.6% 29000k   281013     +0k [Ljava/lang/Object;

6.5% 21797k   697514     +0k java/lang/String

5.1% 17145k    31500    -59k [B

4.1% 13697k    87524     +0k [Ljava/util/HashMap$Entry;

2.7% 9274k    65950     +0k java/lang/reflect/Method

2.4% 8101k   207404     +0k java/util/HashMap$Entry

2.0% 6778k   173542     +0k com/bea/common/security/xacml/attr/StringAttribute

2.0% 6629k    33943     +0k java/lang/Class





    337244kB total ---



--------- End of Detailed Heap Statistics ---

----- Reference Objects statistics separated per class -----

   Total Reach Act PrevAct Null

   ----- ----- --- ------- ----

Finalizers:

       5     2   3       0    0 Total for all Finalizers

       2     1   1       0    0 => java/net/SocksSocketImpl

       1     0   1       0    0 => weblogic/socket/WeblogicSocket

       1     1   0       0    0 => java/net/SocketInputStream

       1     0   1       0    0 => java/net/SocketOutputStream

----- End of Reference Objects statistics -----

------------------- Printing heap ---------------------

"o"/"p" = 1k normal/pinned objects

"O"/"P" = 50k normal/pinned objects

"."/"/" = <1k normal/pinned objects (fragmentation)

" "/"_" = 1k/50k free space

-------------------------------------------------------

//////o///o/p/oo/OOOoooooooooooooooooooooo/OOooooo      0x2b1dfe2f7c70

ooooooooo/OOOOOOooooooooooo/Oooooooooooooooooooooo      0x2b1dfe357b98

ooooooooooooo..        OOOOOOOoooooooooooooo./oooo      0x2b1dfe3b7ac0

oooooooooooooooooooooooo/OOooooooooooooooooooooooo      0x2b1dfe3dbce0

oooooooooooooooooooo/oooooooooooooooo/OOOOOooooooo      0x2b1dfe423d38

oooooooooooooooooooooooooooo.   OOOooooooooooooooo      0x2b1dfe453ec0

ooooooooooooooooooooooooooo//.....................      0x2b1dfe460210

..............................Ooooooooooo/OOOOoooo      0x2b1dfe4a8268











the available commands are:



kill_rmp_server

start_rmp_server

kill_management_server

start_management_server

checkjrarecording

stopjrarecording

startjrarecording

print_object_summary

memleakserver

print_class_summary

print_codegenlist

run_optfile

dump_codelayout

dump_codelist

dump_codemap

print_utf8pool

print_properties

print_threads

datadump_request

runsystemgc

runfinalization

heap_diagnostics

oom_diagnostics

print_exceptions

version

timestamp

command_line

sanity

verbosity

set_filename

help

print_memusage

Reference Links:
http://www.oracle.com/technology/products/jrockit/pdf/missioncontrol_whitepaper_june08.pdf
http://download.oracle.com/docs/cd/E13150_01/jrockit_jvm/jrockit/geninfo/diagnos/ctrlbreakhndlr.html