| /* |
| * 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 |