/*

 * Copyright (c) 2011, 2015, 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/g1/g1HRPrinter.hpp"

#include "gc/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 StartsHumongous:    return "StartsH";

    case ContinuesHumongous: return "ContinuesH";

    case Archive:            return "Archive";

    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, p2i(bottom), p2i(top));

    } else {

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

                             action_str, type_str, p2i(bottom));

    }

  } else {

    if (top != NULL) {

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

                             action_str, p2i(bottom), p2i(top));

    } else {

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

                             action_str, p2i(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, p2i(bottom), p2i(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);

}