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 const char* G1HRPrinter::phase_name(PhaseType phase) {
  64   switch (phase) {
  65     case StartGC:     return "StartGC";
  66     case EndGC:       return "EndGC";
  67     case StartFullGC: return "StartFullGC";
  68     case EndFullGC:   return "EndFullGC";
  69     default:          ShouldNotReachHere();
  70   }
  71   // trying to keep the Windows compiler happy
  72   return NULL;
  73 }
  74 
  75 #define G1HR_PREFIX     " G1HR"
  76 
  77 void G1HRPrinter::print(ActionType action, RegionType type,
  78                         HeapRegion* hr, HeapWord* top) {
  79   const char* action_str = action_name(action);
  80   const char* type_str   = region_type_name(type);
  81   HeapWord* bottom = hr->bottom();
  82 
  83   if (type_str != NULL) {
  84     if (top != NULL) {
  85       gclog_or_tty->print_cr(G1HR_PREFIX " %s(%s) " PTR_FORMAT " " PTR_FORMAT,
  86                              action_str, type_str, p2i(bottom), p2i(top));
  87     } else {
  88       gclog_or_tty->print_cr(G1HR_PREFIX " %s(%s) " PTR_FORMAT,
  89                              action_str, type_str, p2i(bottom));
  90     }
  91   } else {
  92     if (top != NULL) {
  93       gclog_or_tty->print_cr(G1HR_PREFIX " %s " PTR_FORMAT " " PTR_FORMAT,
  94                              action_str, p2i(bottom), p2i(top));
  95     } else {
  96       gclog_or_tty->print_cr(G1HR_PREFIX " %s " PTR_FORMAT,
  97                              action_str, p2i(bottom));
  98     }
  99   }
 100 }
 101 
 102 void G1HRPrinter::print(ActionType action, HeapWord* bottom, HeapWord* end) {
 103   const char* action_str = action_name(action);
 104 
 105   gclog_or_tty->print_cr(G1HR_PREFIX " %s [" PTR_FORMAT "," PTR_FORMAT "]",
 106                          action_str, p2i(bottom), p2i(end));
 107 }
 108 
 109 void G1HRPrinter::print(PhaseType phase, size_t phase_num) {
 110   const char* phase_str = phase_name(phase);
 111   gclog_or_tty->print_cr(G1HR_PREFIX " #%s " SIZE_FORMAT, phase_str, phase_num);
 112 }
--- EOF ---