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src/share/tools/LogCompilation/src/com/sun/hotspot/tools/compiler/BasicLogEvent.java

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rev 8632 : 6900757: minor bug fixes to LogCompilation tool
* improve internal error reporting (point to XML element causing trouble)
* fix comparator for sorting by name and start
* make tool more robust wrt. incorrect options and files not found
* make inlining decision output more clear
* adopt uncommon traps history printing
* properly mention compiler in generated logs
* add options for printing time stamps and omitting compilation IDs
* add option for comparing compilation logs
* overall code cleanup and API documentation
   1 /*
   2  * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 package com.sun.hotspot.tools.compiler;
  26 
  27 import java.io.PrintStream;
  28 
  29 /**
  30  *
  31  * @author never
  32  */
  33 public abstract class BasicLogEvent implements LogEvent {
  34 




  35     protected final String id;




  36     protected final double start;




  37     protected double end;




  38     protected Compilation compilation;
  39 
  40     BasicLogEvent(double start, String id) {
  41         this.start = start;
  42         this.end = start;
  43         this.id = id;
  44     }
  45 
  46     public double getStart() {
  47         return start;
  48     }
  49 
  50     public double getEnd() {
  51         return end;
  52     }
  53 
  54     public void setEnd(double end) {
  55         this.end = end;
  56     }
  57 
  58     public double getElapsedTime() {
  59         return ((int) ((getEnd() - getStart()) * 1000)) / 1000.0;
  60     }
  61 
  62     public String getId() {
  63         return id;
  64     }
  65 
  66     public Compilation getCompilation() {
  67         return compilation;
  68     }
  69 




  70     public void setCompilation(Compilation compilation) {
  71         this.compilation = compilation;
  72     }
  73 
  74     abstract public void print(PrintStream stream);
  75 }
   1 /*
   2  * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 package com.sun.hotspot.tools.compiler;
  26 
  27 import java.io.PrintStream;
  28 
  29 /**
  30  * Provide basic data structures and behaviour for {@link LogEvent}s.

  31  */
  32 public abstract class BasicLogEvent implements LogEvent {
  33 
  34     /**
  35      * The event's ID. This is a number; we represent it as a string for
  36      * convenience.
  37      */
  38     protected final String id;
  39     
  40     /**
  41      * The event's start time.
  42      */
  43     protected final double start;
  44     
  45     /**
  46      * The event's end time.
  47      */
  48     protected double end;
  49     
  50     /**
  51      * The compilation during which this event was signalled.
  52      */
  53     protected Compilation compilation;
  54 
  55     BasicLogEvent(double start, String id) {
  56         this.start = start;
  57         this.end = start;
  58         this.id = id;
  59     }
  60 
  61     public final double getStart() {
  62         return start;
  63     }
  64 
  65     public final double getEnd() {
  66         return end;
  67     }
  68 
  69     public final void setEnd(double end) {
  70         this.end = end;
  71     }
  72 
  73     public final double getElapsedTime() {
  74         return ((int) ((getEnd() - getStart()) * 1000)) / 1000.0;
  75     }
  76 
  77     public final String getId() {
  78         return id;
  79     }
  80 
  81     public final Compilation getCompilation() {
  82         return compilation;
  83     }
  84 
  85     /**
  86      * Set the compilation for this event. This is not a {@code final} method
  87      * as it is overridden in {@link UncommonTrapEvent}.
  88      */
  89     public void setCompilation(Compilation compilation) {
  90         this.compilation = compilation;
  91     }
  92 
  93     abstract public void print(PrintStream stream, boolean printID);
  94 }
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