jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/g1/g1HRPrinter.cpp@191174b49bec

8035406: Improve data structure for Code Cache remembered sets
Summary: Change the code cache remembered sets data structure from a GrowableArray to a chunked list of nmethods. This makes the data structure more amenable to parallelization, and decreases freeing time.
Reviewed-by: mgerdin, brutisso

     1 /*

     2  * Copyright (c) 2011, 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  */

    25 #include "precompiled.hpp"

    26 #include "gc_implementation/g1/g1HRPrinter.hpp"

    27 #include "gc_implementation/g1/heapRegion.hpp"

    28 #include "utilities/ostream.hpp"

    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 }

    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 SingleHumongous:    return "SingleH";

    55     case StartsHumongous:    return "StartsH";

    56     case ContinuesHumongous: return "ContinuesH";

    57     default:                 ShouldNotReachHere();

    58   }

    59   // trying to keep the Windows compiler happy

    60   return NULL;

    61 }

    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 }

    75 #define G1HR_PREFIX     " G1HR"

    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();

    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, bottom, top);

    87     } else {

    88       gclog_or_tty->print_cr(G1HR_PREFIX" %s(%s) "PTR_FORMAT,

    89                              action_str, type_str, bottom);

    90     }

    91   } else {

    92     if (top != NULL) {

    93       gclog_or_tty->print_cr(G1HR_PREFIX" %s "PTR_FORMAT" "PTR_FORMAT,

    94                              action_str, bottom, top);

    95     } else {

    96       gclog_or_tty->print_cr(G1HR_PREFIX" %s "PTR_FORMAT,

    97                              action_str, bottom);

    98     }

    99   }

   100 }

   102 void G1HRPrinter::print(ActionType action, HeapWord* bottom, HeapWord* end) {

   103   const char* action_str = action_name(action);

   105   gclog_or_tty->print_cr(G1HR_PREFIX" %s ["PTR_FORMAT","PTR_FORMAT"]",

   106                          action_str, bottom, end);

   107 }

   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 }

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/gc_implementation/g1/g1HRPrinter.cpp@191174b49bec

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