JDK8/Java8源码在线阅读

/*
 * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

option timestamp {
  column {
    header "^Timestamp"
    data (sun.os.hrt.ticks/sun.os.hrt.frequency)
    scale sec
    align right
    width 15
    format "0.0"
  }
}

option class {
  column {
    header "^Loaded^"	/* Number of classes loaded */
    data (java.cls.loadedClasses + java.cls.sharedLoadedClasses)
    align right
    scale raw
    width 5
    format "0"
  }
  column {
    header "^Bytes^"	/* Accumulated Size of classes loaded */
    data (sun.cls.loadedBytes + sun.cls.sharedLoadedBytes)
    align right
    scale K
    width 7
    format "0.0"
  }
  column {
    header "^Unloaded^"	/* Number of classes unloaded */
    data (java.cls.unloadedClasses + java.cls.sharedUnloadedClasses)
    align right
    width 5
    scale raw
    format "0"
  }
  column {
    header "^Bytes^"	/* Accumulated size of classes unloaded */
    data (sun.cls.unloadedBytes + sun.cls.sharedUnloadedBytes)
    align right
    scale K
    width 7
    format "0.0"
  }
  column {
    header "^Time^"	/* Accumulated time for class loading */
    data sun.cls.time/sun.os.hrt.frequency
    scale raw
    align right
    width 10
    format "0.00"
  }
}

option compiler {
  column {
    header "^Compiled^"		/* Number of compilation tasks performed */
    data sun.ci.totalCompiles
    scale raw
    align right
    width 6
    format "0"
  }
  column {
    header "^Failed^"		/* Number of failed compilation tasks */
    data sun.ci.totalBailouts
    scale raw
    align right
    width 6
    format "0"
  }
  column {
    header "^Invalid^"		/* Number of invalidated compilation tasks */
    data sun.ci.totalInvalidates
    scale raw
    align right
    width 6
    format "0"
  }
  column {
    header "^Time^"		/* Time spent in compilation */
    data java.ci.totalTime/sun.os.hrt.frequency
    align right
    scale sec
    width 8
    format "0.00"
  }
  column {
    header "^FailedType^"	/* Type of last failed compilation */
    data sun.ci.lastFailedType
    scale raw
    align right
    width 4
  }
  column {
    header "^FailedMethod"	/* Name of class and method for last failed compile */
    data sun.ci.lastFailedMethod
    scale raw
    align left
    width 1
  }
}

option gc {
  column {
    header "^S0C^"	/* Survivor 0 Space Capacity - Current */
    data sun.gc.generation.0.space.1.capacity
    scale K
    align center
    width 6
    format "0.0"
  }
  column {
    header "^S1C^"	/* Survivor 1 Space Capacity - Current */
    data sun.gc.generation.0.space.2.capacity
    scale K
    align center
    width 6
    format "0.0"
  }
  column {
    header "^S0U^"	/* Survivor 0 Space Used */
    data sun.gc.generation.0.space.1.used
    scale K
    align center
    width 6
    format "0.0"
  }
  column {
    header "^S1U^"	/* Survivor 1 Space Used */
    data sun.gc.generation.0.space.2.used
    scale K
    align center
    width 6
    format "0.0"
  }
  column {
    header "^EC^"	/* Eden Space Capacity - Current */
    data sun.gc.generation.0.space.0.capacity
    align center
    scale K
    width 8
    format "0.0"
  }
  column {
    header "^EU^"	/* Eden Space Used */
    data sun.gc.generation.0.space.0.used
    align center
    scale K
    width 8
    format "0.0"
  }
  column {
    header "^OC^"	/* Old Space Capacity - Current */
    data sun.gc.generation.1.space.0.capacity
    align center
    scale K
    width 10
    format "0.0"
  }
  column {
    header "^OU^"	/* Old Space Used */
    data sun.gc.generation.1.space.0.used
    align center
    width 10
    scale K
    format "0.0"
  }
  column {
    header "^MC^"	/* Metaspace Capacity - Current */
    data sun.gc.metaspace.capacity
    align center
    width 6
    scale K
    format "0.0"
  }
  column {
    header "^MU^"	/* Metaspae Used */
    data sun.gc.metaspace.used
    align center
    width 6
    scale K
    format "0.0"
  }
  column {
    header "^CCSC^"	/* Compressed Class Space Capacity - Current */
    data sun.gc.compressedclassspace.capacity
    align center
    width 6
    scale K
    format "0.0"
  }
  column {
    header "^CCSU^"	/* Compressed Class Space Used */
    data sun.gc.compressedclassspace.used
    align center
    width 6
    scale K
    format "0.0"
  }
  column {
    header "^YGC^"	/* Young Generation Collections */
    data sun.gc.collector.0.invocations
    align right
    width 6
    format "0"
  }
  column {
    header "^YGCT^"	/* Young Generation Garbage Collection Time */
    data sun.gc.collector.0.time/sun.os.hrt.frequency
    align right
    width 8
    scale sec
    format "0.000"
  }
  column {
    header "^FGC^"	/* Full Collections */
    data sun.gc.collector.1.invocations
    align center
    width 5
    scale raw
    format "0"
  }
  column {
    header "^FGCT^"	/* Full Garbage Collection Time */
    data sun.gc.collector.1.time/sun.os.hrt.frequency
    align right
    width 8
    scale sec
    format "0.000"
  }
  column {
    header "^GCT^"	/* Total Garbage Collection Time */
    data (sun.gc.collector.0.time + sun.gc.collector.1.time)/sun.os.hrt.frequency
    align right
    width 8
    scale sec
    format "0.000"
  }
}

option gccapacity {
  column {
    header "^NGCMN^"	/* New Generation Capacity - Minimum */
    data sun.gc.generation.0.minCapacity
    scale K
    align right
    width 8
    format "0.0"
  }
  column {
    header "^NGCMX^"	/* New Generation Capacity - Maximum */
    data sun.gc.generation.0.maxCapacity
    scale K
    align right
    width 8
    format "0.0"
  }
  column {
    header "^NGC^"	/* New Generation Capacity - Current */
    data sun.gc.generation.0.capacity
    scale K
    align right
    width 8
    format "0.0"
  }
  column {
    header "^S0C^"	/* Survivor 0 Space Capacity - Current */
    data sun.gc.generation.0.space.1.capacity
    scale K
    align right
    width 6
    format "0.0"
  }
  column {
    header "^S1C"	/* Survivor 1 Space Capacity - Current */
    data sun.gc.generation.0.space.2.capacity
    scale K
    align right
    width 6
    format "0.0"
  }
  column {
    header "^EC^"	/* Eden Space Capacity - Current */
    data sun.gc.generation.0.space.0.capacity
    scale K
    align right
    width 8
    format "0.0"
  }
  column {
    header "^OGCMN^"	/* Old Generation Capacity - Minimum */
    data sun.gc.generation.1.minCapacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^OGCMX^"	/* Old Generation Capacity - Maximum */
    data sun.gc.generation.1.maxCapacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^OGC^"	/* Old Generation Capacity - Current */
    data sun.gc.generation.1.capacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^OC^"	/* Old Space Capacity - Current */
    data sun.gc.generation.1.space.0.capacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^MCMN^"	/* Metaspace Capacity - Minimum */
    data sun.gc.metaspace.minCapacity
    scale K
    align right
    width 8
    format "0.0"
  }
  column {
    header "^MCMX^"	/* Metaspace Capacity - Maximum */
    data sun.gc.metaspace.maxCapacity
    scale K
    align right
    width 8
    format "0.0"
  }
  column {
    header "^MC^"	/* Metaspace Capacity - Current */
    data sun.gc.metaspace.capacity
    scale K
    align right
    width 8
    format "0.0"
  }
  column {
    header "^CCSMN^"    /* Compressed Class Space Capacity - Minimum */
    data sun.gc.compressedclassspace.minCapacity
    scale K
    align right
    width 8
    format "0.0"
  }
  column {
    header "^CCSMX^"	/* Compressed Class Space Capacity - Maximum */
    data sun.gc.compressedclassspace.maxCapacity
    scale K
    align right
    width 8
    format "0.0"
  }
  column {
    header "^CCSC^"	/* Compressed Class Space Capacity - Current */
    data sun.gc.compressedclassspace.capacity
    scale K
    align right
    width 8
    format "0.0"
  }
  column {
    header "^YGC^"	/* Young Generation Collections */
    data sun.gc.collector.0.invocations
    align right
    width 6
    format "0"
  }
  column {
    header "^FGC^"	/* Full Collections */
    data sun.gc.collector.1.invocations
    align right
    width 5
    scale raw
    format "0"
  }
}

option gccause {
  column {
    header "^S0^"	/* Survivor 0 Space - Percent Used */
    data (1-((sun.gc.generation.0.space.1.capacity - sun.gc.generation.0.space.1.used)/sun.gc.generation.0.space.1.capacity)) * 100
    scale raw
    align right
    width 6
    format "0.00"
  }
  column {
    header "^S1^"	/* Survivor 1 Space - Percent Used */
    data (1-((sun.gc.generation.0.space.2.capacity - sun.gc.generation.0.space.2.used)/sun.gc.generation.0.space.2.capacity)) * 100
    scale raw
    align right
    width 6
    format "0.00"
  }
  column {
    header "^E^"	/* Eden Space - Percent Used */
    data (1-((sun.gc.generation.0.space.0.capacity - sun.gc.generation.0.space.0.used)/sun.gc.generation.0.space.0.capacity)) * 100
    align right
    scale raw
    width 6
    format "0.00"
  }
  column {
    header "^O^"	/* Old Space - Percent Used */
    data (1-((sun.gc.generation.1.space.0.capacity - sun.gc.generation.1.space.0.used)/sun.gc.generation.1.space.0.capacity)) * 100
    align right
    scale raw
    width 6
    format "0.00"
  }
  column {
    header "^M^"	/* Metaspace - Percent Used */
    data (1-((sun.gc.metaspace.capacity - sun.gc.metaspace.used)/sun.gc.metaspace.capacity)) * 100
    align right
    width 6
    scale raw
    format "0.00"
  }
  column {
    header "^CCS^"	/* Compressed Class Space - Percent Used */
    data (1-((sun.gc.compressedclassspace.capacity - sun.gc.compressedclassspace.used)/sun.gc.compressedclassspace.capacity)) * 100
    align right
    width 6
    scale raw
    format "0.00"
  }
  column {
    header "^YGC^"	/* Young Generation Collections */
    data sun.gc.collector.0.invocations
    align right
    width 6
    format "0"
  }
  column {
    header "^YGCT^"	/* Young Generation Collection Time */
    data sun.gc.collector.0.time/sun.os.hrt.frequency
    align right
    scale sec
    width 8
    format "0.000"
  }
  column {
    header "^FGC^"	/* Full Collections */
    data sun.gc.collector.1.invocations
    align right
    width 5
    scale raw
    format "0"
  }
  column {
    header "^FGCT^"	/* Full Collection Time */
    data sun.gc.collector.1.time/sun.os.hrt.frequency
    align right
    scale sec
    width 8
    format "0.000"
  }
  column {
    header "^GCT^"	/* Total Garbage Collection Time */
    data (sun.gc.collector.0.time + sun.gc.collector.1.time)/sun.os.hrt.frequency
    align right
    width 8
    scale sec
    format "0.000"
  }
  column {
    header "^LGCC"	/* Last GC Cause */
    data sun.gc.lastCause
    align left
    width 20
    scale raw
  }
  column {
    header "^GCC"	/* Current GC Cause */
    data sun.gc.cause
    align left
    width 20
    scale raw
  }
}

option gcnew {
  column {
    header "^S0C^"	/* Survivor 0 Space Capacity - Current */
    data sun.gc.generation.0.space.1.capacity
    scale K
    align right
    width 6
    format "0.0"
  }
  column {
    header "^S1C^"	/* Survivor 1 Space Capacity - Current */
    data sun.gc.generation.0.space.2.capacity
    scale K
    align right
    width 6
    format "0.0"
  }
  column {
    header "^S0U^"	/* Survivor 0 Space Used */
    data sun.gc.generation.0.space.1.used
    scale K
    align right
    width 6
    format "0.0"
  }
  column {
    header "^S1U^"	/* Survivor 1 Space Used */
    data sun.gc.generation.0.space.2.used
    scale K
    align right
    width 6
    format "0.0"
  }
  column {
    header "^TT^"	/* Tenuring Threshold */
    data sun.gc.policy.tenuringThreshold
    width 2
    align right
    format "0"
  }
  column {
    header "^MTT^"	/* Maximum Tenuring Threshold */
    data sun.gc.policy.maxTenuringThreshold
    width 2
    align right
    format "0"
  }
  column {
    header "^DSS^"	/* Desired Survivor Size */
    data sun.gc.policy.desiredSurvivorSize
    scale K
    width 6
    align right
    format "0.0"
  }
  column {
    header "^EC^"	/* Eden Space Capacity - Current */
    data sun.gc.generation.0.space.0.capacity
    scale K
    width 8
    align right
    format "0.0"
  }
  column {
    header "^EU^"	/* Eden Space Used */
    data sun.gc.generation.0.space.0.used
    scale K
    width 8
    align right
    format "0.0"
  }
  column {
    header "^YGC^"	/* Young Generation Collections */
    data sun.gc.collector.0.invocations
    align right
    width 6
    format "0"
  }
  column {
    header "^YGCT^"	/* Young Generation Collection Time */
    data sun.gc.collector.0.time/sun.os.hrt.frequency
    align right
    scale sec
    width 8
    format "0.000"
  }
}

option gcnewcapacity {
  column {
    header "^NGCMN^"	/* New Generation Capacity - Minimum */
    data sun.gc.generation.0.minCapacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^NGCMX^"	/* New Generation Capacity - Maximum */
    data sun.gc.generation.0.maxCapacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^NGC^"	/* New Generation Capacity - Current */
    data sun.gc.generation.0.capacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^S0CMX^"	/* Survivor 0 Space Capacity - Maximum */
    data sun.gc.generation.0.space.1.maxCapacity
    scale K
    align right
    width 8
    format "0.0"
  }
  column {
    header "^S0C^"	/* Survivor 0 Space Capacity - Current */
    data sun.gc.generation.0.space.1.capacity
    scale K
    align right
    width 8
    format "0.0"
  }
  column {
    header "^S1CMX^"	/* Survivor 1 Space Capacity - Maximum */
    data sun.gc.generation.0.space.2.maxCapacity
    scale K
    align right
    width 8
    format "0.0"
  }
  column {
    header "^S1C^"	/* Survivor 1 Space Capacity - Current */
    data sun.gc.generation.0.space.2.capacity
    scale K
    align right
    width 8
    format "0.0"
  }
  column {
    header "^ECMX^"	/* Eden Space Capacity - Maximum */
    data sun.gc.generation.0.space.0.maxCapacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^EC^"	/* Eden Space Capacity - Current */
    data sun.gc.generation.0.space.0.capacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^YGC^"	/* Young Generation Collections */
    data sun.gc.collector.0.invocations
    align right
    width 5
    format "0"
  }
  column {
    header "^FGC^"	/* Full Collections */
    data sun.gc.collector.1.invocations
    align right
    width 5
    scale raw
    format "0"
  }
}

option gcold {
  column {
    header "^MC^"	/* Metaspace Capacity - Current */
    data sun.gc.metaspace.capacity
    width 8
    align right
    scale K
    format "0.0"
  }
  column {
    header "^MU^"	/* Metaspace Space Used */
    data sun.gc.metaspace.used
    width 8
    align right
    scale K
    format "0.0"
  }
  column {
    header "^CCSC^"	/* Compressed Class Space Capacity - Current */
    data sun.gc.compressedclassspace.capacity
    width 8
    align right
    scale K
    format "0.0"
  }
  column {
    header "^CCSU^"	/* Compressed Class Space Used */
    data sun.gc.compressedclassspace.used
    width 8
    align right
    scale K
    format "0.0"
  }
  column {
    header "^OC^"	/* Old Space Capacity - Current */
    data sun.gc.generation.1.space.0.capacity
    width 11
    align right
    scale K
    format "0.0"
  }
  column {
    header "^OU^"	/* Old Space Used */
    data sun.gc.generation.1.space.0.used
    width 11
    align right
    scale K
    format "0.0"
  }
  column {
    header "^YGC^"	/* Young Generation Collections */
    data sun.gc.collector.0.invocations
    align right
    width 6
    format "0"
  }
  column {
    header "^FGC^"	/* Full Collections */
    data sun.gc.collector.1.invocations
    align right
    scale raw
    width 5
    format "0"
  }
  column {
    header "^FGCT^"	/* Full Collection Time */
    data sun.gc.collector.1.time/sun.os.hrt.frequency
    align right
    scale sec
    width 8
    format "0.000"
  }
  column {
    header "^GCT^"	/* Total Garbage Collection Time */
    data (sun.gc.collector.0.time + sun.gc.collector.1.time)/sun.os.hrt.frequency
    align right
    width 8
    scale sec
    format "0.000"
  }
}

option gcoldcapacity {
  column {
    header "^OGCMN^"	/* Old Generation Capacity - Minimum */
    data sun.gc.generation.1.minCapacity
    scale K
    align right
    width 11
    format "0.0"
  }
  column {
    header "^OGCMX^"	/* Old Generation Capacity - Maximum */
    data sun.gc.generation.1.maxCapacity
    scale K
    align right
    width 11
    format "0.0"
  }
  column {
    header "^OGC^"	/* Old Generation Capacity - Current */
    data sun.gc.generation.1.capacity
    scale K
    align right
    width 11
    format "0.0"
  }
  column {
    header "^OC^"	/* Old Space Capacity - Current */
    data sun.gc.generation.1.space.0.capacity
    scale K
    align right
    width 11
    format "0.0"
  }
  column {
    header "^YGC^"	/* Young Generation Collections */
    data sun.gc.collector.0.invocations
    align right
    width 5
    format "0"
  }
  column {
    header "^FGC^"	/* Full Collections */
    data sun.gc.collector.1.invocations
    align right
    width 5
    scale raw
    format "0"
  }
  column {
    header "^FGCT^"	/* Full Collection Time */
    data sun.gc.collector.1.time/sun.os.hrt.frequency
    align right
    scale sec
    width 8
    format "0.000"
  }
  column {
    header "^GCT^"	/* Total Garbage Collection Time */
    data (sun.gc.collector.0.time + sun.gc.collector.1.time)/sun.os.hrt.frequency
    align right
    width 8
    scale sec
    format "0.000"
  }
}

option gcmetacapacity {
  column {
    header "^MCMN^"	/* Metaspace Capacity - Minimum */
    data sun.gc.metaspace.minCapacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^MCMX^"	/* Metaspace Capacity - Maximum */
    data sun.gc.metaspace.maxCapacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^MC^"	/* Metaspace Capacity - Current */
    data sun.gc.metaspace.capacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^CCSMN^"	/* Compressed Class Space Capacity - Minimum */
    data sun.gc.compressedclassspace.minCapacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^CCSMX^"	/* Compressed Class Space Capacity - Maximum */
    data sun.gc.compressedclassspace.maxCapacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^CCSC^"	/* Compressed Class Space Capacity - Current */
    data sun.gc.compressedclassspace.capacity
    scale K
    align right
    width 10
    format "0.0"
  }
  column {
    header "^YGC^"	/* Young Generation Collections */
    data sun.gc.collector.0.invocations
    align right
    width 5
    format "0"
  }
  column {
    header "^FGC^"	/* Full Collections */
    data sun.gc.collector.1.invocations
    align right
    width 5
    scale raw
    format "0"
  }
  column {
    header "^FGCT^"	/* Full Collection Time */
    data sun.gc.collector.1.time/sun.os.hrt.frequency
    align right
    scale sec
    width 8
    format "0.000"
  }
  column {
    header "^GCT^"	/* Total Garbage Collection Time */
    data (sun.gc.collector.0.time + sun.gc.collector.1.time)/sun.os.hrt.frequency
    align right
    width 8
    scale sec
    format "0.000"
  }
}

option gcutil {
  column {
    header "^S0^"	/* Survivor 0 Space - Percent Used */
    data (1-((sun.gc.generation.0.space.1.capacity - sun.gc.generation.0.space.1.used)/sun.gc.generation.0.space.1.capacity)) * 100
    scale raw
    align right
    width 6
    format "0.00"
  }
  column {
    header "^S1^"	/* Survivor 1 Space - Percent Used */
    data (1-((sun.gc.generation.0.space.2.capacity - sun.gc.generation.0.space.2.used)/sun.gc.generation.0.space.2.capacity)) * 100
    scale raw
    align right
    width 6
    format "0.00"
  }
  column {
    header "^E^"	/* Eden Space - Percent Used */

/**代码未完, 请加载全部代码(NowJava.com).**/