Thu, 13 Jun 2013 22:02:40 -0700
8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
Reviewed-by: dholmes, coleenp
Contributed-by: jeremymanson@google.com, calvin.cheung@oracle.com
duke@435 | 1 | /* |
stefank@2314 | 2 | * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "memory/specialized_oop_closures.hpp" |
stefank@2314 | 27 | #include "utilities/ostream.hpp" |
duke@435 | 28 | |
duke@435 | 29 | // For keeping stats on effectiveness. |
duke@435 | 30 | #ifndef PRODUCT |
duke@435 | 31 | #if ENABLE_SPECIALIZATION_STATS |
duke@435 | 32 | |
duke@435 | 33 | int SpecializationStats::_numCallsAll; |
duke@435 | 34 | |
duke@435 | 35 | int SpecializationStats::_numCallsTotal[NUM_Kinds]; |
duke@435 | 36 | int SpecializationStats::_numCalls_nv[NUM_Kinds]; |
duke@435 | 37 | |
duke@435 | 38 | int SpecializationStats::_numDoOopCallsTotal[NUM_Kinds]; |
duke@435 | 39 | int SpecializationStats::_numDoOopCalls_nv[NUM_Kinds]; |
duke@435 | 40 | |
duke@435 | 41 | void SpecializationStats::clear() { |
duke@435 | 42 | _numCallsAll = 0; |
duke@435 | 43 | for (int k = ik; k < NUM_Kinds; k++) { |
duke@435 | 44 | _numCallsTotal[k] = 0; |
duke@435 | 45 | _numCalls_nv[k] = 0; |
duke@435 | 46 | |
duke@435 | 47 | _numDoOopCallsTotal[k] = 0; |
duke@435 | 48 | _numDoOopCalls_nv[k] = 0; |
duke@435 | 49 | } |
duke@435 | 50 | } |
duke@435 | 51 | |
duke@435 | 52 | void SpecializationStats::print() { |
duke@435 | 53 | const char* header_format = " %20s %10s %11s %10s"; |
duke@435 | 54 | const char* line_format = " %20s %10d %11d %9.2f%%"; |
duke@435 | 55 | int all_numCallsTotal = |
duke@435 | 56 | _numCallsTotal[ik] + _numCallsTotal[irk] + _numCallsTotal[oa]; |
duke@435 | 57 | int all_numCalls_nv = |
duke@435 | 58 | _numCalls_nv[ik] + _numCalls_nv[irk] + _numCalls_nv[oa]; |
duke@435 | 59 | gclog_or_tty->print_cr("\nOf %d oop_oop_iterate calls %d (%6.3f%%) are in (ik, irk, oa).", |
duke@435 | 60 | _numCallsAll, all_numCallsTotal, |
duke@435 | 61 | 100.0 * (float)all_numCallsTotal / (float)_numCallsAll); |
duke@435 | 62 | // irk calls are double-counted. |
duke@435 | 63 | int real_ik_numCallsTotal = _numCallsTotal[ik] - _numCallsTotal[irk]; |
duke@435 | 64 | int real_ik_numCalls_nv = _numCalls_nv[ik] - _numCalls_nv[irk]; |
duke@435 | 65 | gclog_or_tty->print_cr(""); |
duke@435 | 66 | gclog_or_tty->print_cr(header_format, "oop_oop_iterate:", "calls", "non-virtual", "pct"); |
duke@435 | 67 | gclog_or_tty->print_cr(header_format, |
duke@435 | 68 | "----------", |
duke@435 | 69 | "----------", |
duke@435 | 70 | "-----------", |
duke@435 | 71 | "----------"); |
duke@435 | 72 | gclog_or_tty->print_cr(line_format, "all", |
duke@435 | 73 | all_numCallsTotal, |
duke@435 | 74 | all_numCalls_nv, |
duke@435 | 75 | 100.0 * (float)all_numCalls_nv / (float)all_numCallsTotal); |
duke@435 | 76 | gclog_or_tty->print_cr(line_format, "ik", |
duke@435 | 77 | real_ik_numCallsTotal, real_ik_numCalls_nv, |
duke@435 | 78 | 100.0 * (float)real_ik_numCalls_nv / |
duke@435 | 79 | (float)real_ik_numCallsTotal); |
duke@435 | 80 | gclog_or_tty->print_cr(line_format, "irk", |
duke@435 | 81 | _numCallsTotal[irk], _numCalls_nv[irk], |
duke@435 | 82 | 100.0 * (float)_numCalls_nv[irk] / (float)_numCallsTotal[irk]); |
duke@435 | 83 | gclog_or_tty->print_cr(line_format, "oa", |
duke@435 | 84 | _numCallsTotal[oa], _numCalls_nv[oa], |
duke@435 | 85 | 100.0 * (float)_numCalls_nv[oa] / (float)_numCallsTotal[oa]); |
duke@435 | 86 | |
duke@435 | 87 | |
duke@435 | 88 | gclog_or_tty->print_cr(""); |
duke@435 | 89 | gclog_or_tty->print_cr(header_format, "do_oop:", "calls", "non-virtual", "pct"); |
duke@435 | 90 | gclog_or_tty->print_cr(header_format, |
duke@435 | 91 | "----------", |
duke@435 | 92 | "----------", |
duke@435 | 93 | "-----------", |
duke@435 | 94 | "----------"); |
duke@435 | 95 | int all_numDoOopCallsTotal = |
duke@435 | 96 | _numDoOopCallsTotal[ik] + _numDoOopCallsTotal[irk] + _numDoOopCallsTotal[oa]; |
duke@435 | 97 | int all_numDoOopCalls_nv = |
duke@435 | 98 | _numDoOopCalls_nv[ik] + _numDoOopCalls_nv[irk] + _numDoOopCalls_nv[oa]; |
duke@435 | 99 | gclog_or_tty->print_cr(line_format, "all", |
duke@435 | 100 | all_numDoOopCallsTotal, all_numDoOopCalls_nv, |
duke@435 | 101 | 100.0 * (float)all_numDoOopCalls_nv / |
duke@435 | 102 | (float)all_numDoOopCallsTotal); |
duke@435 | 103 | const char* kind_names[] = { "ik", "irk", "oa" }; |
duke@435 | 104 | for (int k = ik; k < NUM_Kinds; k++) { |
duke@435 | 105 | gclog_or_tty->print_cr(line_format, kind_names[k], |
duke@435 | 106 | _numDoOopCallsTotal[k], _numDoOopCalls_nv[k], |
duke@435 | 107 | (_numDoOopCallsTotal[k] > 0 ? |
duke@435 | 108 | 100.0 * (float)_numDoOopCalls_nv[k] / |
duke@435 | 109 | (float)_numDoOopCallsTotal[k] |
duke@435 | 110 | : 0.0)); |
duke@435 | 111 | } |
duke@435 | 112 | } |
duke@435 | 113 | |
duke@435 | 114 | #endif // ENABLE_SPECIALIZATION_STATS |
duke@435 | 115 | #endif // !PRODUCT |