jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/g1/g1HRPrinter.cpp@7383557659bd (annotated)

src/share/vm/gc_implementation/g1/g1HRPrinter.cpp@7383557659bd (annotated)

src/share/vm/gc_implementation/g1/g1HRPrinter.cpp

Tue, 21 Aug 2012 14:10:39 -0700

author: johnc
date: Tue, 21 Aug 2012 14:10:39 -0700
changeset 3998: 7383557659bd
parent 2975: 5f6f2615433a
child 6680: 78bbf4d43a14
permissions: -rw-r--r--

7185699: G1: Prediction model discrepancies
Summary: Correct the result value of G1CollectedHeap::pending_card_num(). Change the code that calculates the GC efficiency of a non-young heap region to use historical data from mixed GCs and the actual number of live bytes when predicting how long it would take to collect the region. Changes were also reviewed by Thomas Schatzl.
Reviewed-by: azeemj, brutisso

 /*
  * Copyright (c) 2011, 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.
  *
  * 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.
  *
  */
 #include "precompiled.hpp"
 #include "gc_implementation/g1/g1HRPrinter.hpp"
 #include "gc_implementation/g1/heapRegion.hpp"
 #include "utilities/ostream.hpp"
 const char* G1HRPrinter::action_name(ActionType action) {
   switch(action) {
     case Alloc:          return "ALLOC";
     case AllocForce:     return "ALLOC-FORCE";
     case Retire:         return "RETIRE";
     case Reuse:          return "REUSE";
     case CSet:           return "CSET";
     case EvacFailure:    return "EVAC-FAILURE";
     case Cleanup:        return "CLEANUP";
     case PostCompaction: return "POST-COMPACTION";
     case Commit:         return "COMMIT";
     case Uncommit:       return "UNCOMMIT";
     default:             ShouldNotReachHere();
   }
   // trying to keep the Windows compiler happy
   return NULL;
 }
 const char* G1HRPrinter::region_type_name(RegionType type) {
   switch (type) {
     case Unset:              return NULL;
     case Eden:               return "Eden";
     case Survivor:           return "Survivor";
     case Old:                return "Old";
     case SingleHumongous:    return "SingleH";
     case StartsHumongous:    return "StartsH";
     case ContinuesHumongous: return "ContinuesH";
     default:                 ShouldNotReachHere();
   }
   // trying to keep the Windows compiler happy
   return NULL;
 }
 const char* G1HRPrinter::phase_name(PhaseType phase) {
   switch (phase) {
     case StartGC:     return "StartGC";
     case EndGC:       return "EndGC";
     case StartFullGC: return "StartFullGC";
     case EndFullGC:   return "EndFullGC";
     default:          ShouldNotReachHere();
   }
   // trying to keep the Windows compiler happy
   return NULL;
 }
 #define G1HR_PREFIX     " G1HR"
 void G1HRPrinter::print(ActionType action, RegionType type,
                         HeapRegion* hr, HeapWord* top) {
   const char* action_str = action_name(action);
   const char* type_str   = region_type_name(type);
   HeapWord* bottom = hr->bottom();
   if (type_str != NULL) {
     if (top != NULL) {
       gclog_or_tty->print_cr(G1HR_PREFIX" %s(%s) "PTR_FORMAT" "PTR_FORMAT,
                              action_str, type_str, bottom, top);
     } else {
       gclog_or_tty->print_cr(G1HR_PREFIX" %s(%s) "PTR_FORMAT,
                              action_str, type_str, bottom);
     }
   } else {
     if (top != NULL) {
       gclog_or_tty->print_cr(G1HR_PREFIX" %s "PTR_FORMAT" "PTR_FORMAT,
                              action_str, bottom, top);
     } else {
       gclog_or_tty->print_cr(G1HR_PREFIX" %s "PTR_FORMAT,
                              action_str, bottom);
     }
   }
 }
 void G1HRPrinter::print(ActionType action, HeapWord* bottom, HeapWord* end) {
   const char* action_str = action_name(action);
   gclog_or_tty->print_cr(G1HR_PREFIX" %s ["PTR_FORMAT","PTR_FORMAT"]",
                          action_str, bottom, end);
 }
 void G1HRPrinter::print(PhaseType phase, size_t phase_num) {
   const char* phase_str = phase_name(phase);
   gclog_or_tty->print_cr(G1HR_PREFIX" #%s "SIZE_FORMAT, phase_str, phase_num);
 }

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src/share/vm/gc_implementation/g1/g1HRPrinter.cpp@7383557659bd (annotated)

src/share/vm/gc_implementation/g1/g1HRPrinter.cpp