????Heap
????PSYoungGen total 466944K??used 178734K[0xffffffff45c00000??0xffffffff70800000??0xffffffff70800000)
????eden space 233472K??76%used[0xffffffff45c00000??0xffffffff50ab7c50??0xffffffff54000000)
????from space 233472K??0%used[0xffffffff62400000??0xffffffff62400000??0xffffffff70800000)
????to space 233472K??0%used[0xffffffff54000000??0xffffffff54000000??0xffffffff62400000)
????PSOldGen total 1400832K??used 1400831K[0xfffffffef0400000??0xffffffff45c00000??0xffffffff45c00000)
????object space 1400832K??99%used[0xfffffffef0400000??0xffffffff45bfffb8??0xffffffff45c00000)
????PSPermGen total 262144K??used 248475K[0xfffffffed0400000??0xfffffffee0400000??0xfffffffef0400000)
????object space 262144K??94%used[0xfffffffed0400000??0xfffffffedf6a6f08??0xfffffffee0400000)
????????????????
???????????????????????????????????????????????н?HotSpot VM??????????????????????????????????????

????????п???????????????????????????????Щ????????????????????????????????????????????ò?????????????????????????????????????????
???????????????????????????????????????HoteSpot???????????е???????????
????#Full thread dump?????
????“Full thread dump”??????????????????????м????????汾Java??????????????????????????????????UNIX??????kill-3<PID>?????????????????????????
????Full thread dump Java HotSpot(TM)64-Bit Server VM(20.0-b11 mixed mode):
????#Java EE?м?????????????????????????е????
??????????????????????????????????????????????????????????????????????????????м??????????????????ж???????????????ó??????????????????????????????????????????
????????????????????У?WebLogic?????????????м??????Weblogic 9.2???????????????“’weblogic.kernel.Default(self-tuning)”??????????й????????
????"[STANDBY]ExecuteThread:'414'for queue:'weblogic.kernel.Default(self-tuning)'"daemon prio=3 tid=0x000000010916a800 nid=0x2613 in Object.wait()[0xfffffffe9edff000]
????java.lang.Thread.State:WAITING(on object monitor)
????at java.lang.Object.wait(Native Method)
????-waiting on<0xffffffff27d44de0>(a weblogic.work.ExecuteThread)
????at java.lang.Object.wait(Object.java:485)
????at weblogic.work.ExecuteThread.waitForRequest(ExecuteThread.java:160)
????-locked<0xffffffff27d44de0>(a weblogic.work.ExecuteThread)
????at weblogic.work.ExecuteThread.run(ExecuteThread.java:181)
????#HotSpot VM???
?????????????Hotspot VM???????????????????????????????????????????????????????(???????????????prstat??????????Id)???????CPU?????.
????"VM Periodic Task Thread"prio=3 tid=0x0000000101238800 nid=0x19 waiting on condition
????#HotSpot GC???
?????????HotSpot???в???GC(??????????????????????o????)??????????HotSpot VM???????JVM?????????????????GC????.??ЩGC????????VM????е???????????????GC??????????GC????????????????????????CPU?????????????.
????"GC task thread#0(ParallelGC)"prio=3 tid=0x0000000100120000 nid=0x3 runnable
????"GC task thread#1(ParallelGC)"prio=3 tid=0x0000000100131000 nid=0x4 runnable
????………………………………………………………………………………………………………………………………………………………………
???????·?????????????????????????GC?й?????????????GC?????й??????????????????????Щ???????Id????????????????Java?????????????κζ?CPI????????.δ??????????????????????????????????.
????#JNI??????ü???
????JNI(Java??????)????????????????????Java??????????????Java?????????????????.??????????????????????????????????????????????Java?????е?“????”??????????????????.
????????????JNI????й???????JNI??????????.?????????????????JNI???????????????????????????????????????????й?.
????JNI global references:1925
????#Java?????????
??????Щ???????????JDK 1.6?????????й?Hotspot????????????????????.?????????????????й???CPU????GC????????????????????????????????????????????????????Java???????????????????????????Java????????н?????????????????κε?????.???????????????????????????Java???OldGen????????!
????Heap
????PSYoungGen total 466944K??used 178734K[0xffffffff45c00000??0xffffffff70800000??0xffffffff70800000)
????eden space 233472K??76%used[0xffffffff45c00000??0xffffffff50ab7c50??0xffffffff54000000)
????from space 233472K??0%used[0xffffffff62400000??0xffffffff62400000??0xffffffff70800000)
????to space 233472K??0%used[0xffffffff54000000??0xffffffff54000000??0xffffffff62400000)
????PSOldGen total 1400832K??used 1400831K[0xfffffffef0400000??0xffffffff45c00000??0xffffffff45c00000)
????object space 1400832K??99%used[0xfffffffef0400000??0xffffffff45bfffb8??0xffffffff45c00000)
????PSPermGen total 262144K??used 248475K[0xfffffffed0400000??0xfffffffee0400000??0xfffffffef0400000)
????object space 262144K??94%used[0xfffffffed0400000??0xfffffffedf6a6f08??0xfffffffee0400000)