/*
* Copyright (c) 2001, 2010, 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 "memory/specialized_oop_closures.hpp"
#include "utilities/ostream.hpp"
// For keeping stats on effectiveness.
#ifndef PRODUCT
#if ENABLE_SPECIALIZATION_STATS
int SpecializationStats::_numCallsAll;
int SpecializationStats::_numCallsTotal[NUM_Kinds];
int SpecializationStats::_numCalls_nv[NUM_Kinds];
int SpecializationStats::_numDoOopCallsTotal[NUM_Kinds];
int SpecializationStats::_numDoOopCalls_nv[NUM_Kinds];
void SpecializationStats::clear() {
_numCallsAll = 0;
for (int k = ik; k < NUM_Kinds; k++) {
_numCallsTotal[k] = 0;
_numCalls_nv[k] = 0;
_numDoOopCallsTotal[k] = 0;
_numDoOopCalls_nv[k] = 0;
}
}
void SpecializationStats::print() {
const char* header_format = " %20s %10s %11s %10s";
const char* line_format = " %20s %10d %11d %9.2f%%";
int all_numCallsTotal =
_numCallsTotal[ik] + _numCallsTotal[irk] + _numCallsTotal[oa];
int all_numCalls_nv =
_numCalls_nv[ik] + _numCalls_nv[irk] + _numCalls_nv[oa];
gclog_or_tty->print_cr("\nOf %d oop_oop_iterate calls %d (%6.3f%%) are in (ik, irk, oa).",
_numCallsAll, all_numCallsTotal,
100.0 * (float)all_numCallsTotal / (float)_numCallsAll);
// irk calls are double-counted.
int real_ik_numCallsTotal = _numCallsTotal[ik] - _numCallsTotal[irk];
int real_ik_numCalls_nv = _numCalls_nv[ik] - _numCalls_nv[irk];
gclog_or_tty->print_cr("");
gclog_or_tty->print_cr(header_format, "oop_oop_iterate:", "calls", "non-virtual", "pct");
gclog_or_tty->print_cr(header_format,
"----------",
"----------",
"-----------",
"----------");
gclog_or_tty->print_cr(line_format, "all",
all_numCallsTotal,
all_numCalls_nv,
100.0 * (float)all_numCalls_nv / (float)all_numCallsTotal);
gclog_or_tty->print_cr(line_format, "ik",
real_ik_numCallsTotal, real_ik_numCalls_nv,
100.0 * (float)real_ik_numCalls_nv /
(float)real_ik_numCallsTotal);
gclog_or_tty->print_cr(line_format, "irk",
_numCallsTotal[irk], _numCalls_nv[irk],
100.0 * (float)_numCalls_nv[irk] / (float)_numCallsTotal[irk]);
gclog_or_tty->print_cr(line_format, "oa",
_numCallsTotal[oa], _numCalls_nv[oa],
100.0 * (float)_numCalls_nv[oa] / (float)_numCallsTotal[oa]);
gclog_or_tty->print_cr("");
gclog_or_tty->print_cr(header_format, "do_oop:", "calls", "non-virtual", "pct");
gclog_or_tty->print_cr(header_format,
"----------",
"----------",
"-----------",
"----------");
int all_numDoOopCallsTotal =
_numDoOopCallsTotal[ik] + _numDoOopCallsTotal[irk] + _numDoOopCallsTotal[oa];
int all_numDoOopCalls_nv =
_numDoOopCalls_nv[ik] + _numDoOopCalls_nv[irk] + _numDoOopCalls_nv[oa];
gclog_or_tty->print_cr(line_format, "all",
all_numDoOopCallsTotal, all_numDoOopCalls_nv,
100.0 * (float)all_numDoOopCalls_nv /
(float)all_numDoOopCallsTotal);
const char* kind_names[] = { "ik", "irk", "oa" };
for (int k = ik; k < NUM_Kinds; k++) {
gclog_or_tty->print_cr(line_format, kind_names[k],
_numDoOopCallsTotal[k], _numDoOopCalls_nv[k],
(_numDoOopCallsTotal[k] > 0 ?
100.0 * (float)_numDoOopCalls_nv[k] /
(float)_numDoOopCallsTotal[k]
: 0.0));
}
}
#endif // ENABLE_SPECIALIZATION_STATS
#endif // !PRODUCT