1 /*
   2  * Copyright (c) 2016, 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 package org.graalvm.compiler.hotspot;
  24 
  25 import org.graalvm.compiler.core.common.CompilationIdentifier;
  26 import org.graalvm.compiler.core.common.CompilationRequestIdentifier;
  27 import org.graalvm.compiler.debug.GraalError;
  28 
  29 import jdk.vm.ci.hotspot.HotSpotCompilationRequest;
  30 import jdk.vm.ci.runtime.JVMCICompiler;
  31 
  32 /**
  33  * {@link CompilationIdentifier} for a {@linkplain HotSpotCompilationRequest hotspot compilation
  34  * request}.
  35  */
  36 public class HotSpotCompilationIdentifier implements CompilationRequestIdentifier {
  37     private final HotSpotCompilationRequest request;
  38 
  39     public HotSpotCompilationIdentifier(HotSpotCompilationRequest request) {
  40         this.request = request;
  41     }
  42 
  43     public boolean isOsrCompilation() {
  44         return request.getEntryBCI() != JVMCICompiler.INVOCATION_ENTRY_BCI;
  45     }
  46 
  47     @Override
  48     public final String toString() {
  49         return toString(Verbosity.DETAILED);
  50     }
  51 
  52     @Override
  53     public String toString(Verbosity verbosity) {
  54         return buildString(new StringBuilder(), verbosity).toString();
  55     }
  56 
  57     protected StringBuilder buildString(StringBuilder sb, Verbosity verbosity) {
  58         switch (verbosity) {
  59             case ID:
  60                 buildID(sb);
  61                 break;
  62             case NAME:
  63                 buildName(sb);
  64                 break;
  65             case DETAILED:
  66                 buildID(sb);
  67                 sb.append('[');
  68                 buildName(sb);
  69                 if (isOsrCompilation()) {
  70                     sb.append("@");
  71                     sb.append(request.getEntryBCI());
  72                 }
  73                 sb.append(']');
  74                 break;
  75             default:
  76                 throw new GraalError("unknown verbosity: " + verbosity);
  77         }
  78         return sb;
  79     }
  80 
  81     protected StringBuilder buildName(StringBuilder sb) {
  82         return sb.append(request.getMethod().format("%H.%n(%p)"));
  83     }
  84 
  85     protected StringBuilder buildID(StringBuilder sb) {
  86         if (isOsrCompilation()) {
  87             sb.append("HotSpotOSRCompilation-");
  88         } else {
  89             sb.append("HotSpotCompilation-");
  90         }
  91         return sb.append(request.getId());
  92     }
  93 
  94     @Override
  95     public HotSpotCompilationRequest getRequest() {
  96         return request;
  97     }
  98 
  99 }