我正在运行一个java程序（服务器和客户端），其中服务器读取文件数据并发送到客户端
我没有得到使用几乎更多cpu的问题
我的顶级命令输出：
top - 02:56:54 up 31 days, 3:29, 0 users, load average: 9.94, 10.24, 10.69
Tasks: 382 total, 1 running, 381 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.6%us, 1.2%sy, 0.9%ni, 97.2%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 16334088k total, 16110308k used, 223780k free, 2143596k buffers
Swap: 8388600k total, 37632k used, 8350968k free, 1704888k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
14383 wladmin 20 0 5673m 546m 3912 S 789.5 3.4 963:51.08 java
9790 wladmin 20 0 9.9g 4.7g 6112 S 3.9 30.2 53:06.77 java
29970 wladmin 20 0 15152 1396 860 R 2.0 0.0 0:00.01 top
1 root 20 0 19360 1220 988 S 0.0 0.0 0:03.43 init
这是我的Thread Dumps
14383:
===== FULL THREAD DUMP ===============
Fri Nov 1 03:24:42 2013
Oracle JRockit(R) R28.2.5-20-152429-1.6.0_37-20120927-1915-linux-x86_64
"Main Thread" id=1 idx=0x4 tid=14385 prio=5 alive, in native
at sun/nio/ch/ServerSocketChannelImpl.accept0(Ljava/io/FileDescriptor;Ljava/io/FileDescriptor;[Ljava/net/InetSocketAddress;)I(Native Method)
at sun/nio/ch/ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:150)
^-- Holding lock: java/lang/Object@0xf1960150[biased lock]
at CavMonAgent.Listener(CavMonAgent.java:349)
at CavMonAgent.main(CavMonAgent.java:388)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"(Signal Handler)" id=2 idx=0x8 tid=14386 prio=5 alive, native_blocked, daemon
"(OC Main Thread)" id=3 idx=0xc tid=14387 prio=5 alive, native_waiting, daemon
"(GC Worker Thread 1)" id=? idx=0x10 tid=14388 prio=5 alive, daemon
"(GC Worker Thread 2)" id=? idx=0x14 tid=14389 prio=5 alive, daemon
"(GC Worker Thread 3)" id=? idx=0x18 tid=14390 prio=5 alive, daemon
"(GC Worker Thread 4)" id=? idx=0x1c tid=14391 prio=5 alive, daemon
"(GC Worker Thread 5)" id=? idx=0x20 tid=14392 prio=5 alive, daemon
"(GC Worker Thread 6)" id=? idx=0x24 tid=14393 prio=5 alive, daemon
"(GC Worker Thread 7)" id=? idx=0x28 tid=14394 prio=5 alive, daemon
"(GC Worker Thread 8)" id=? idx=0x2c tid=14395 prio=5 alive, daemon
"(Code Generation Thread 1)" id=4 idx=0x30 tid=14396 prio=5 alive, native_waiting, daemon
"(Code Optimization Thread 1)" id=5 idx=0x34 tid=14397 prio=5 alive, native_waiting, daemon
"(VM Periodic Task)" id=6 idx=0x38 tid=14398 prio=10 alive, native_blocked, daemon
"Finalizer" id=7 idx=0x3c tid=14399 prio=8 alive, native_waiting, daemon
at jrockit/memory/Finalizer.waitForFinalizees(J[Ljava/lang/Object;)I(Native Method)
at jrockit/memory/Finalizer.access$700(Finalizer.java:12)
at jrockit/memory/Finalizer$4.run(Finalizer.java:189)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"Reference Handler" id=8 idx=0x40 tid=14400 prio=10 alive, native_waiting, daemon
at java/lang/ref/Reference.waitForActivatedQueue(J)Ljava/lang/ref/Reference;(Native Method)
at java/lang/ref/Reference.access$100(Reference.java:11)
at java/lang/ref/Reference$ReferenceHandler.run(Reference.java:82)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"(Sensor Event Thread)" id=9 idx=0x44 tid=14401 prio=5 alive, native_blocked, daemon
"VM JFR Buffer Thread" id=10 idx=0x48 tid=14402 prio=5 alive, in native, daemon
"TestRunMgr" id=11 idx=0x4c tid=14405 prio=5 alive, sleeping, native_waiting
at java/lang/Thread.sleep(J)V(Native Method)
at TestRunMgr.run(TestRunMgr.java:358)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=930 idx=0x50 tid=1867 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=932 idx=0x54 tid=1881 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=935 idx=0x5c tid=1886 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=933 idx=0x60 tid=1883 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=938 idx=0x64 tid=1890 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=937 idx=0x68 tid=1888 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=939 idx=0x6c tid=1891 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=934 idx=0x70 tid=1885 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"JavaMonitorAsThread" id=895 idx=0x80 tid=1791 prio=5 alive, sleeping, native_waiting
at java/lang/Thread.sleep(J)V(Native Method)
at cm_java_gc_ex.runOnce(cm_java_gc_ex.java:1024)
at cm_java_gc_ex.startMonitor(cm_java_gc_ex.java:1061)
at Server.procMsgFromNetstorm(Server.java:619)
at Server.tcpRecv(Server.java:465)
at Server.run(Server.java:292)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"SendFile" id=999 idx=0x90 tid=23590 prio=5 alive, native_blocked
at sun/nio/ch/SocketDispatcher.read1(Ljava/io/FileDescriptor;[BII)I(Native Method)
at sun/nio/ch/SocketDispatcher.read(SocketDispatcher.java:46)[optimized]
at sun/nio/ch/IOUtil.read(IOUtil.java:255)[inlined]
at sun/nio/ch/SocketChannelImpl.read(SocketChannelImpl.java:245)[optimized]
^-- Holding lock: java/lang/Object@0xf35b2058[thin lock]
at sun/nio/ch/SocketAdaptor$SocketInputStream.read(SocketAdaptor.java:184)[optimized]
^-- Holding lock: java/lang/Object@0xf35b2040[thin lock]
at sun/nio/ch/ChannelInputStream.read(ChannelInputStream.java:86)[optimized]
^-- Holding lock: sun/nio/ch/SocketAdaptor$SocketInputStream@0xf35b2190[biased lock]
at sun/nio/cs/StreamDecoder.readBytes(StreamDecoder.java:264)[optimized]
at sun/nio/cs/StreamDecoder.implRead(StreamDecoder.java:306)[optimized]
at sun/nio/cs/StreamDecoder.read(StreamDecoder.java:158)[inlined]
at java/io/InputStreamReader.read(InputStreamReader.java:167)[optimized]
^-- Holding lock: java/io/InputStreamReader@0xf35b4730[recursive]
at java/io/BufferedReader.fill(BufferedReader.java:136)[optimized]
at java/io/BufferedReader.readLine(BufferedReader.java:299)[inlined]
at java/io/BufferedReader.readLine(BufferedReader.java:362)[optimized]
^-- Holding lock: java/io/InputStreamReader@0xf35b4730[biased lock]
at ServerSendFile.runOnce(ServerSendFile.java:645)[optimized]
at ServerSendFile.startSendFile(ServerSendFile.java:216)[optimized]
at Server.procMsgFromNetstorm(Server.java:583)[optimized]
at Server.tcpRecv(Server.java:465)
at Server.run(Server.java:292)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"SendFile" id=989 idx=0x98 tid=14552 prio=5 alive, native_blocked
at java/io/RandomAccessFile.length()J(Native Method)
at ServerSendFile.getAndSetDataFromFile(ServerSendFile.java:783)[optimized]
at ServerSendFile.runOnce(ServerSendFile.java:639)[optimized]
at ServerSendFile.startSendFile(ServerSendFile.java:216)[optimized]
at Server.procMsgFromNetstorm(Server.java:583)
at Server.tcpRecv(Server.java:465)
at Server.run(Server.java:292)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"SendFile" id=993 idx=0xa0 tid=18369 prio=5 alive, native_blocked
at java/io/RandomAccessFile.length()J(Native Method)
at ServerSendFile.getAndSetDataFromFile(ServerSendFile.java:783)[optimized]
at ServerSendFile.runOnce(ServerSendFile.java:639)[optimized]
at ServerSendFile.startSendFile(ServerSendFile.java:216)[optimized]
at Server.procMsgFromNetstorm(Server.java:583)[optimized]
at Server.tcpRecv(Server.java:465)
at Server.run(Server.java:292)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"SendFile" id=985 idx=0xb8 tid=10666 prio=5 alive, native_blocked
at sun/nio/ch/SocketDispatcher.read1(Ljava/io/FileDescriptor;[BII)I(Native Method)
at sun/nio/ch/SocketDispatcher.read(SocketDispatcher.java:46)[optimized]
at sun/nio/ch/IOUtil.read(IOUtil.java:255)[inlined]
at sun/nio/ch/SocketChannelImpl.read(SocketChannelImpl.java:245)[optimized]
^-- Holding lock: java/lang/Object@0xf20844a8[thin lock]
at sun/nio/ch/SocketAdaptor$SocketInputStream.read(SocketAdaptor.java:184)[optimized]
^-- Holding lock: java/lang/Object@0xf20844a0[thin lock]
at sun/nio/ch/ChannelInputStream.read(ChannelInputStream.java:86)[optimized]
^-- Holding lock: sun/nio/ch/SocketAdaptor$SocketInputStream@0xf2084528[biased lock]
at sun/nio/cs/StreamDecoder.readBytes(StreamDecoder.java:264)[optimized]
at sun/nio/cs/StreamDecoder.implRead(StreamDecoder.java:306)[optimized]
at sun/nio/cs/StreamDecoder.read(StreamDecoder.java:158)[inlined]
at java/io/InputStreamReader.read(InputStreamReader.java:167)[optimized]
^-- Holding lock: java/io/InputStreamReader@0xf20865b0[recursive]
at java/io/BufferedReader.fill(BufferedReader.java:136)[optimized]
at java/io/BufferedReader.readLine(BufferedReader.java:299)[inlined]
at java/io/BufferedReader.readLine(BufferedReader.java:362)[optimized]
^-- Holding lock: java/io/InputStreamReader@0xf20865b0[biased lock]
at ServerSendFile.runOnce(ServerSendFile.java:645)[optimized]
at ServerSendFile.startSendFile(ServerSendFile.java:216)
at Server.procMsgFromNetstorm(Server.java:583)
at Server.tcpRecv(Server.java:465)
at Server.run(Server.java:292)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"SendFile" id=1003 idx=0xc4 tid=27190 prio=5 alive, in native
at sun/nio/ch/EPollArrayWrapper.epollWait(JIJI)I(Native Method)
at sun/nio/ch/EPollArrayWrapper.poll(EPollArrayWrapper.java:210)[inlined]
at sun/nio/ch/EPollSelectorImpl.doSelect(EPollSelectorImpl.java:65)[inlined]
at sun/nio/ch/SelectorImpl.lockAndDoSelect(SelectorImpl.java:69)[inlined]
at sun/nio/ch/SelectorImpl.select(SelectorImpl.java:80)[inlined]
at sun/nio/ch/SocketAdaptor$SocketInputStream.read(SocketAdaptor.java:193)[optimized]
^-- Holding lock: sun/nio/ch/Util$2@0xf2d38250[biased lock]
^-- Holding lock: java/util/Collections$UnmodifiableSet@0xf2d38240[biased lock]
^-- Holding lock: sun/nio/ch/EPollSelectorImpl@0xf2d36170[biased lock]
^-- Holding lock: java/lang/Object@0xf2d36078[thin lock]
at sun/nio/ch/ChannelInputStream.read(ChannelInputStream.java:86)[optimized]
^-- Holding lock: sun/nio/ch/SocketAdaptor$SocketInputStream@0xf2d36150[biased lock]
at sun/nio/cs/StreamDecoder.readBytes(StreamDecoder.java:264)[optimized]
at sun/nio/cs/StreamDecoder.implRead(StreamDecoder.java:306)[optimized]
at sun/nio/cs/StreamDecoder.read(StreamDecoder.java:158)[inlined]
at java/io/InputStreamReader.read(InputStreamReader.java:167)[optimized]
^-- Holding lock: java/io/InputStreamReader@0xf2d38818[recursive]
at java/io/BufferedReader.fill(BufferedReader.java:136)[optimized]
at java/io/BufferedReader.readLine(BufferedReader.java:299)[inlined]
at java/io/BufferedReader.readLine(BufferedReader.java:362)[optimized]
^-- Holding lock: java/io/InputStreamReader@0xf2d38818[biased lock]
at ServerSendFile.runOnce(ServerSendFile.java:645)[optimized]
at ServerSendFile.startSendFile(ServerSendFile.java:216)[optimized]
at Server.procMsgFromNetstorm(Server.java:583)[optimized]
at Server.tcpRecv(Server.java:465)
at Server.run(Server.java:292)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"SendFile" id=990 idx=0x124 tid=14553 prio=5 alive, native_blocked
at java/io/UnixFileSystem.getBooleanAttributes0(Ljava/io/File;)I(Native Method)
at java/io/UnixFileSystem.getBooleanAttributes(UnixFileSystem.java:228)[inlined]
at java/io/File.exists(File.java:733)[inlined]
at monitor/common/CmonUtils.isTestOver(CmonUtils.java:210)[optimized]
at ServerSendFile.runOnce(ServerSendFile.java:622)[optimized]
at ServerSendFile.startSendFile(ServerSendFile.java:216)[optimized]
at Server.procMsgFromNetstorm(Server.java:583)
at Server.tcpRecv(Server.java:465)
at Server.run(Server.java:292)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"SendFile" id=994 idx=0x130 tid=18370 prio=5 alive, native_blocked
at java/io/RandomAccessFile.length()J(Native Method)
at ServerSendFile.getAndSetDataFromFile(ServerSendFile.java:783)[optimized]
at ServerSendFile.runOnce(ServerSendFile.java:639)[optimized]
at ServerSendFile.startSendFile(ServerSendFile.java:216)[optimized]
at Server.procMsgFromNetstorm(Server.java:583)[optimized]
at Server.tcpRecv(Server.java:465)
at Server.run(Server.java:292)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"SendFile" id=998 idx=0x134 tid=23589 prio=5 alive, native_blocked
at java/io/RandomAccessFile.length()J(Native Method)
at ServerSendFile.getAndSetDataFromFile(ServerSendFile.java:783)[optimized]
at ServerSendFile.runOnce(ServerSendFile.java:639)[optimized]
at ServerSendFile.startSendFile(ServerSendFile.java:216)[optimized]
at Server.procMsgFromNetstorm(Server.java:583)[optimized]
at Server.tcpRecv(Server.java:465)
at Server.run(Server.java:292)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"SendFile" id=1002 idx=0x140 tid=27188 prio=5 alive, in native
at sun/nio/ch/EPollArrayWrapper.epollWait(JIJI)I(Native Method)
at sun/nio/ch/EPollArrayWrapper.poll(EPollArrayWrapper.java:210)[inlined]
at sun/nio/ch/EPollSelectorImpl.doSelect(EPollSelectorImpl.java:65)[inlined]
at sun/nio/ch/SelectorImpl.lockAndDoSelect(SelectorImpl.java:69)[inlined]
at sun/nio/ch/SelectorImpl.select(SelectorImpl.java:80)[inlined]
at sun/nio/ch/SocketAdaptor$SocketInputStream.read(SocketAdaptor.java:193)[optimized]
^-- Holding lock: sun/nio/ch/Util$2@0xf2d480b0[biased lock]
^-- Holding lock: java/util/Collections$UnmodifiableSet@0xf2d480a0[biased lock]
^-- Holding lock: sun/nio/ch/EPollSelectorImpl@0xf2d48010[biased lock]
^-- Holding lock: java/lang/Object@0xf2d483f0[thin lock]
at sun/nio/ch/ChannelInputStream.read(ChannelInputStream.java:86)[optimized]
^-- Holding lock: sun/nio/ch/SocketAdaptor$SocketInputStream@0xf2d48478[biased lock]
at sun/nio/cs/StreamDecoder.readBytes(StreamDecoder.java:264)[optimized]
at sun/nio/cs/StreamDecoder.implRead(StreamDecoder.java:306)[optimized]
at sun/nio/cs/StreamDecoder.read(StreamDecoder.java:158)[inlined]
at java/io/InputStreamReader.read(InputStreamReader.java:167)[optimized]
^-- Holding lock: java/io/InputStreamReader@0xf2d487f8[recursive]
at java/io/BufferedReader.fill(BufferedReader.java:136)[optimized]
at java/io/BufferedReader.readLine(BufferedReader.java:299)[inlined]
at java/io/BufferedReader.readLine(BufferedReader.java:362)[optimized]
^-- Holding lock: java/io/InputStreamReader@0xf2d487f8[biased lock]
at ServerSendFile.runOnce(ServerSendFile.java:645)[optimized]
at ServerSendFile.startSendFile(ServerSendFile.java:216)[optimized]
at Server.procMsgFromNetstorm(Server.java:583)[optimized]
at Server.tcpRecv(Server.java:465)
at Server.run(Server.java:292)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=941 idx=0x170 tid=1893 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"SendFile" id=986 idx=0x178 tid=10667 prio=5 alive, native_blocked
at java/io/RandomAccessFile.length()J(Native Method)
at ServerSendFile.getAndSetDataFromFile(ServerSendFile.java:783)[optimized]
at ServerSendFile.runOnce(ServerSendFile.java:639)[optimized]
at ServerSendFile.startSendFile(ServerSendFile.java:216)
at Server.procMsgFromNetstorm(Server.java:583)
at Server.tcpRecv(Server.java:465)
at Server.run(Server.java:292)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=945 idx=0x184 tid=1897 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=936 idx=0x188 tid=1887 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=942 idx=0x18c tid=1894 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=947 idx=0x190 tid=1902 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=952 idx=0x194 tid=1908 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=954 idx=0x198 tid=1912 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=943 idx=0x19c tid=1895 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=940 idx=0x1a0 tid=1892 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=948 idx=0x1a4 tid=1903 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=949 idx=0x1a8 tid=1904 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=953 idx=0x1ac tid=1910 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=946 idx=0x1b0 tid=1898 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=951 idx=0x1b4 tid=1906 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=950 idx=0x1b8 tid=1905 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=944 idx=0x1bc tid=1896 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=955 idx=0x1c0 tid=1960 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=956 idx=0x1c4 tid=2147 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=957 idx=0x1c8 tid=2269 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=959 idx=0x1d0 tid=3297 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"SendFile" id=960 idx=0x1d4 tid=3298 prio=5 alive, native_blocked
at java/io/RandomAccessFile.length()J(Native Method)
at ServerSendFile.getAndSetDataFromFile(ServerSendFile.java:783)[optimized]
at ServerSendFile.runOnce(ServerSendFile.java:639)
at ServerSendFile.startSendFile(ServerSendFile.java:216)
at Server.procMsgFromNetstorm(Server.java:583)
at Server.tcpRecv(Server.java:465)
at Server.run(Server.java:292)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"process reaper" id=961 idx=0x1d8 tid=3300 prio=5 alive, in native, daemon
at java/lang/UNIXProcess.waitForProcessExit(I)I(Native Method)
at java/lang/UNIXProcess.access$900(UNIXProcess.java:20)
at java/lang/UNIXProcess$1$1.run(UNIXProcess.java:132)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"SendFile" id=962 idx=0x1dc tid=3512 prio=5 alive, native_blocked
at java/io/RandomAccessFile.length()J(Native Method)
at ServerSendFile.getAndSetDataFromFile(ServerSendFile.java:783)[optimized]
at ServerSendFile.runOnce(ServerSendFile.java:639)
at ServerSendFile.startSendFile(ServerSendFile.java:216)
at Server.procMsgFromNetstorm(Server.java:583)
at Server.tcpRecv(Server.java:465)
at Server.run(Server.java:292)
at java/lang/Thread.run(Thread.java:662)
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
"SendFile" id=1114 idx=0x284 tid=19816 prio=5 alive, native_blocked
at java/io/RandomAccessFile.length()J(Native Method)
at ServerSendFile.getAndSetDataFromFile(ServerSendFile.java:783)[optimized]
at ServerSendFile.runOnce(ServerSendFile.java:639)[optimized]
at ServerSendFile.startSendFile(ServerSendFile.java:216)[optimized]
at Server.procMsgFromNetstorm(Server.java:583)[optimized]
at Server.tcpRecv(Server.java:465)[optimized]
at Server.run(Server.java:292)[optimized]
at java/lang/Thread.run(Thread.java:662)[optimized]
at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
-- end of trace
===== END OF THREAD DUMP ===============
为什么消耗这么多的CPU利用率