1 /*
   2  * Copyright (c) 2011, 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 #include "precompiled.hpp"
  26 #include "gc/g1/g1HRPrinter.hpp"
  27 #include "gc/g1/heapRegion.hpp"
  28 #include "utilities/ostream.hpp"
  29 
  30 const char* G1HRPrinter::action_name(ActionType action) {
  31   switch(action) {
  32     case Alloc:          return "ALLOC";
  33     case AllocForce:     return "ALLOC-FORCE";
  34     case Retire:         return "RETIRE";
  35     case Reuse:          return "REUSE";
  36     case CSet:           return "CSET";
  37     case EvacFailure:    return "EVAC-FAILURE";
  38     case Cleanup:        return "CLEANUP";
  39     case PostCompaction: return "POST-COMPACTION";
  40     case Commit:         return "COMMIT";
  41     case Uncommit:       return "UNCOMMIT";
  42     default:             ShouldNotReachHere();
  43   }
  44   // trying to keep the Windows compiler happy
  45   return NULL;
  46 }
  47 
  48 const char* G1HRPrinter::region_type_name(RegionType type) {
  49   switch (type) {
  50     case Unset:              return NULL;
  51     case Eden:               return "Eden";
  52     case Survivor:           return "Survivor";
  53     case Old:                return "Old";
  54     case StartsHumongous:    return "StartsH";
  55     case ContinuesHumongous: return "ContinuesH";
  56     case Archive:            return "Archive";
  57     default:                 ShouldNotReachHere();
  58   }
  59   // trying to keep the Windows compiler happy
  60   return NULL;
  61 }
  62 












  63 #define G1HR_PREFIX     " G1HR"
  64 
  65 void G1HRPrinter::print(ActionType action, RegionType type,
  66                         HeapRegion* hr, HeapWord* top) {
  67   const char* action_str = action_name(action);
  68   const char* type_str   = region_type_name(type);
  69   HeapWord* bottom = hr->bottom();
  70 
  71   if (type_str != NULL) {
  72     if (top != NULL) {
  73       log_trace(gc, region)(G1HR_PREFIX " %s(%s) " PTR_FORMAT " " PTR_FORMAT,
  74                             action_str, type_str, p2i(bottom), p2i(top));
  75     } else {
  76       log_trace(gc, region)(G1HR_PREFIX " %s(%s) " PTR_FORMAT,
  77                             action_str, type_str, p2i(bottom));
  78     }
  79   } else {
  80     if (top != NULL) {
  81       log_trace(gc, region)(G1HR_PREFIX " %s " PTR_FORMAT " " PTR_FORMAT,
  82                             action_str, p2i(bottom), p2i(top));
  83     } else {
  84       log_trace(gc, region)(G1HR_PREFIX " %s " PTR_FORMAT,
  85                             action_str, p2i(bottom));
  86     }
  87   }
  88 }
  89 
  90 void G1HRPrinter::print(ActionType action, HeapWord* bottom, HeapWord* end) {
  91   const char* action_str = action_name(action);
  92 
  93   log_trace(gc, region)(G1HR_PREFIX " %s [" PTR_FORMAT "," PTR_FORMAT "]",
  94                         action_str, p2i(bottom), p2i(end));





  95 }
--- EOF ---