aoqi@0: /*
aoqi@0:  * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #include "precompiled.hpp"
aoqi@0: #include "memory/specialized_oop_closures.hpp"
aoqi@0: #include "utilities/ostream.hpp"
aoqi@0: 
aoqi@0: // For keeping stats on effectiveness.
aoqi@0: #ifndef PRODUCT
aoqi@0: #if ENABLE_SPECIALIZATION_STATS
aoqi@0: 
aoqi@0: int SpecializationStats::_numCallsAll;
aoqi@0: 
aoqi@0: int SpecializationStats::_numCallsTotal[NUM_Kinds];
aoqi@0: int SpecializationStats::_numCalls_nv[NUM_Kinds];
aoqi@0: 
aoqi@0: int SpecializationStats::_numDoOopCallsTotal[NUM_Kinds];
aoqi@0: int SpecializationStats::_numDoOopCalls_nv[NUM_Kinds];
aoqi@0: 
aoqi@0: void SpecializationStats::clear() {
aoqi@0:   _numCallsAll = 0;
aoqi@0:   for (int k = ik; k < NUM_Kinds; k++) {
aoqi@0:     _numCallsTotal[k] = 0;
aoqi@0:     _numCalls_nv[k] = 0;
aoqi@0: 
aoqi@0:     _numDoOopCallsTotal[k] = 0;
aoqi@0:     _numDoOopCalls_nv[k] = 0;
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: void SpecializationStats::print() {
aoqi@0:   const char* header_format = "    %20s %10s %11s %10s";
aoqi@0:   const char* line_format   = "    %20s %10d %11d %9.2f%%";
aoqi@0:   int all_numCallsTotal =
aoqi@0:     _numCallsTotal[ik] + _numCallsTotal[irk] + _numCallsTotal[oa];
aoqi@0:   int all_numCalls_nv =
aoqi@0:     _numCalls_nv[ik] + _numCalls_nv[irk] + _numCalls_nv[oa];
aoqi@0:   gclog_or_tty->print_cr("\nOf %d oop_oop_iterate calls %d (%6.3f%%) are in (ik, irk, oa).",
aoqi@0:                 _numCallsAll, all_numCallsTotal,
aoqi@0:                 100.0 * (float)all_numCallsTotal / (float)_numCallsAll);
aoqi@0:   // irk calls are double-counted.
aoqi@0:   int real_ik_numCallsTotal = _numCallsTotal[ik] - _numCallsTotal[irk];
aoqi@0:   int real_ik_numCalls_nv   = _numCalls_nv[ik]   - _numCalls_nv[irk];
aoqi@0:   gclog_or_tty->print_cr("");
aoqi@0:   gclog_or_tty->print_cr(header_format, "oop_oop_iterate:", "calls", "non-virtual", "pct");
aoqi@0:   gclog_or_tty->print_cr(header_format,
aoqi@0:                 "----------",
aoqi@0:                 "----------",
aoqi@0:                 "-----------",
aoqi@0:                 "----------");
aoqi@0:   gclog_or_tty->print_cr(line_format, "all",
aoqi@0:                 all_numCallsTotal,
aoqi@0:                 all_numCalls_nv,
aoqi@0:                 100.0 * (float)all_numCalls_nv / (float)all_numCallsTotal);
aoqi@0:   gclog_or_tty->print_cr(line_format, "ik",
aoqi@0:                 real_ik_numCallsTotal, real_ik_numCalls_nv,
aoqi@0:                 100.0 * (float)real_ik_numCalls_nv /
aoqi@0:                 (float)real_ik_numCallsTotal);
aoqi@0:   gclog_or_tty->print_cr(line_format, "irk",
aoqi@0:                 _numCallsTotal[irk], _numCalls_nv[irk],
aoqi@0:                 100.0 * (float)_numCalls_nv[irk] / (float)_numCallsTotal[irk]);
aoqi@0:   gclog_or_tty->print_cr(line_format, "oa",
aoqi@0:                 _numCallsTotal[oa], _numCalls_nv[oa],
aoqi@0:                 100.0 * (float)_numCalls_nv[oa] / (float)_numCallsTotal[oa]);
aoqi@0: 
aoqi@0: 
aoqi@0:   gclog_or_tty->print_cr("");
aoqi@0:   gclog_or_tty->print_cr(header_format, "do_oop:", "calls", "non-virtual", "pct");
aoqi@0:   gclog_or_tty->print_cr(header_format,
aoqi@0:                 "----------",
aoqi@0:                 "----------",
aoqi@0:                 "-----------",
aoqi@0:                 "----------");
aoqi@0:   int all_numDoOopCallsTotal =
aoqi@0:     _numDoOopCallsTotal[ik] + _numDoOopCallsTotal[irk] + _numDoOopCallsTotal[oa];
aoqi@0:   int all_numDoOopCalls_nv =
aoqi@0:     _numDoOopCalls_nv[ik] + _numDoOopCalls_nv[irk] + _numDoOopCalls_nv[oa];
aoqi@0:   gclog_or_tty->print_cr(line_format, "all",
aoqi@0:                 all_numDoOopCallsTotal, all_numDoOopCalls_nv,
aoqi@0:                 100.0 * (float)all_numDoOopCalls_nv /
aoqi@0:                 (float)all_numDoOopCallsTotal);
aoqi@0:   const char* kind_names[] = { "ik", "irk", "oa" };
aoqi@0:   for (int k = ik; k < NUM_Kinds; k++) {
aoqi@0:     gclog_or_tty->print_cr(line_format, kind_names[k],
aoqi@0:                   _numDoOopCallsTotal[k], _numDoOopCalls_nv[k],
aoqi@0:                   (_numDoOopCallsTotal[k] > 0 ?
aoqi@0:                    100.0 * (float)_numDoOopCalls_nv[k] /
aoqi@0:                    (float)_numDoOopCallsTotal[k]
aoqi@0:                    : 0.0));
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: #endif  // ENABLE_SPECIALIZATION_STATS
aoqi@0: #endif  // !PRODUCT