1 /* 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "code/nmethod.hpp" 27 #include "compiler/compileBroker.hpp" 28 #include "opto/compile.hpp" 29 #include "opto/node.hpp" 30 #include "opto/phase.hpp" 31 32 #ifndef PRODUCT 33 int Phase::_total_bytes_compiled = 0; 34 35 elapsedTimer Phase::_t_totalCompilation; 36 elapsedTimer Phase::_t_methodCompilation; 37 elapsedTimer Phase::_t_stubCompilation; 38 #endif 39 40 // The next timers used for LogCompilation 41 elapsedTimer Phase::_t_parser; 42 elapsedTimer Phase::_t_optimizer; 43 elapsedTimer Phase::_t_escapeAnalysis; 44 elapsedTimer Phase::_t_connectionGraph; 45 elapsedTimer Phase::_t_idealLoop; 46 elapsedTimer Phase::_t_ccp; 47 elapsedTimer Phase::_t_matcher; 48 elapsedTimer Phase::_t_registerAllocation; 49 elapsedTimer Phase::_t_output; 50 51 #ifndef PRODUCT 52 elapsedTimer Phase::_t_graphReshaping; 53 elapsedTimer Phase::_t_scheduler; 54 elapsedTimer Phase::_t_blockOrdering; 55 elapsedTimer Phase::_t_macroEliminate; 56 elapsedTimer Phase::_t_macroExpand; 57 elapsedTimer Phase::_t_peephole; 58 elapsedTimer Phase::_t_codeGeneration; 59 elapsedTimer Phase::_t_registerMethod; 60 elapsedTimer Phase::_t_temporaryTimer1; 61 elapsedTimer Phase::_t_temporaryTimer2; 62 elapsedTimer Phase::_t_idealLoopVerify; 63 64 // Subtimers for _t_optimizer 65 elapsedTimer Phase::_t_iterGVN; 66 elapsedTimer Phase::_t_iterGVN2; 67 68 // Subtimers for _t_registerAllocation 69 elapsedTimer Phase::_t_ctorChaitin; 70 elapsedTimer Phase::_t_buildIFGphysical; 71 elapsedTimer Phase::_t_computeLive; 72 elapsedTimer Phase::_t_regAllocSplit; 73 elapsedTimer Phase::_t_postAllocCopyRemoval; 74 elapsedTimer Phase::_t_fixupSpills; 75 76 // Subtimers for _t_output 77 elapsedTimer Phase::_t_instrSched; 78 elapsedTimer Phase::_t_buildOopMaps; 79 #endif 80 81 //------------------------------Phase------------------------------------------ 82 Phase::Phase( PhaseNumber pnum ) : _pnum(pnum), C( pnum == Compiler ? NULL : Compile::current()) { 83 // Poll for requests from shutdown mechanism to quiesce compiler (4448539, 4448544). 84 // This is an effective place to poll, since the compiler is full of phases. 85 // In particular, every inlining site uses a recursively created Parse phase. 86 CompileBroker::maybe_block(); 87 } 88 89 #ifndef PRODUCT 90 static const double minimum_reported_time = 0.0001; // seconds 91 static const double expected_method_compile_coverage = 0.97; // % 92 static const double minimum_meaningful_method_compile = 2.00; // seconds 93 94 void Phase::print_timers() { 95 tty->print_cr ("Accumulated compiler times:"); 96 tty->print_cr ("---------------------------"); 97 tty->print_cr (" Total compilation: %3.3f sec.", Phase::_t_totalCompilation.seconds()); 98 tty->print (" method compilation : %3.3f sec", Phase::_t_methodCompilation.seconds()); 99 tty->print ("/%d bytes",_total_bytes_compiled); 100 tty->print_cr (" (%3.0f bytes per sec) ", Phase::_total_bytes_compiled / Phase::_t_methodCompilation.seconds()); 101 tty->print_cr (" stub compilation : %3.3f sec.", Phase::_t_stubCompilation.seconds()); 102 tty->print_cr (" Phases:"); 103 tty->print_cr (" parse : %3.3f sec", Phase::_t_parser.seconds()); 104 tty->print_cr (" optimizer : %3.3f sec", Phase::_t_optimizer.seconds()); 105 if( Verbose || WizardMode ) { 106 if (DoEscapeAnalysis) { 107 // EA is part of Optimizer. 108 tty->print_cr (" escape analysis: %3.3f sec", Phase::_t_escapeAnalysis.seconds()); 109 tty->print_cr (" connection graph: %3.3f sec", Phase::_t_connectionGraph.seconds()); 110 tty->print_cr (" macroEliminate : %3.3f sec", Phase::_t_macroEliminate.seconds()); 111 } 112 tty->print_cr (" iterGVN : %3.3f sec", Phase::_t_iterGVN.seconds()); 113 tty->print_cr (" idealLoop : %3.3f sec", Phase::_t_idealLoop.seconds()); 114 tty->print_cr (" idealLoopVerify: %3.3f sec", Phase::_t_idealLoopVerify.seconds()); 115 tty->print_cr (" ccp : %3.3f sec", Phase::_t_ccp.seconds()); 116 tty->print_cr (" iterGVN2 : %3.3f sec", Phase::_t_iterGVN2.seconds()); 117 tty->print_cr (" macroExpand : %3.3f sec", Phase::_t_macroExpand.seconds()); 118 tty->print_cr (" graphReshape : %3.3f sec", Phase::_t_graphReshaping.seconds()); 119 double optimizer_subtotal = Phase::_t_iterGVN.seconds() + Phase::_t_iterGVN2.seconds() + 120 Phase::_t_escapeAnalysis.seconds() + Phase::_t_macroEliminate.seconds() + 121 Phase::_t_idealLoop.seconds() + Phase::_t_ccp.seconds() + 122 Phase::_t_macroExpand.seconds() + Phase::_t_graphReshaping.seconds(); 123 double percent_of_optimizer = ((optimizer_subtotal == 0.0) ? 0.0 : (optimizer_subtotal / Phase::_t_optimizer.seconds() * 100.0)); 124 tty->print_cr (" subtotal : %3.3f sec, %3.2f %%", optimizer_subtotal, percent_of_optimizer); 125 } 126 tty->print_cr (" matcher : %3.3f sec", Phase::_t_matcher.seconds()); 127 tty->print_cr (" scheduler : %3.3f sec", Phase::_t_scheduler.seconds()); 128 tty->print_cr (" regalloc : %3.3f sec", Phase::_t_registerAllocation.seconds()); 129 if( Verbose || WizardMode ) { 130 tty->print_cr (" ctorChaitin : %3.3f sec", Phase::_t_ctorChaitin.seconds()); 131 tty->print_cr (" buildIFG : %3.3f sec", Phase::_t_buildIFGphysical.seconds()); 132 tty->print_cr (" computeLive : %3.3f sec", Phase::_t_computeLive.seconds()); 133 tty->print_cr (" regAllocSplit : %3.3f sec", Phase::_t_regAllocSplit.seconds()); 134 tty->print_cr (" postAllocCopyRemoval: %3.3f sec", Phase::_t_postAllocCopyRemoval.seconds()); 135 tty->print_cr (" fixupSpills : %3.3f sec", Phase::_t_fixupSpills.seconds()); 136 double regalloc_subtotal = Phase::_t_ctorChaitin.seconds() + 137 Phase::_t_buildIFGphysical.seconds() + Phase::_t_computeLive.seconds() + 138 Phase::_t_regAllocSplit.seconds() + Phase::_t_fixupSpills.seconds() + 139 Phase::_t_postAllocCopyRemoval.seconds(); 140 double percent_of_regalloc = ((regalloc_subtotal == 0.0) ? 0.0 : (regalloc_subtotal / Phase::_t_registerAllocation.seconds() * 100.0)); 141 tty->print_cr (" subtotal : %3.3f sec, %3.2f %%", regalloc_subtotal, percent_of_regalloc); 142 } 143 tty->print_cr (" blockOrdering : %3.3f sec", Phase::_t_blockOrdering.seconds()); 144 tty->print_cr (" peephole : %3.3f sec", Phase::_t_peephole.seconds()); 145 tty->print_cr (" codeGen : %3.3f sec", Phase::_t_codeGeneration.seconds()); 146 tty->print_cr (" install_code : %3.3f sec", Phase::_t_registerMethod.seconds()); 147 tty->print_cr (" -------------- : ----------"); 148 double phase_subtotal = Phase::_t_parser.seconds() + 149 Phase::_t_optimizer.seconds() + Phase::_t_graphReshaping.seconds() + 150 Phase::_t_matcher.seconds() + Phase::_t_scheduler.seconds() + 151 Phase::_t_registerAllocation.seconds() + Phase::_t_blockOrdering.seconds() + 152 Phase::_t_codeGeneration.seconds() + Phase::_t_registerMethod.seconds(); 153 double percent_of_method_compile = ((phase_subtotal == 0.0) ? 0.0 : phase_subtotal / Phase::_t_methodCompilation.seconds()) * 100.0; 154 // counters inside Compile::CodeGen include time for adapters and stubs 155 // so phase-total can be greater than 100% 156 tty->print_cr (" total : %3.3f sec, %3.2f %%", phase_subtotal, percent_of_method_compile); 157 158 assert( percent_of_method_compile > expected_method_compile_coverage || 159 phase_subtotal < minimum_meaningful_method_compile, 160 "Must account for method compilation"); 161 162 if( Phase::_t_temporaryTimer1.seconds() > minimum_reported_time ) { 163 tty->cr(); 164 tty->print_cr (" temporaryTimer1: %3.3f sec", Phase::_t_temporaryTimer1.seconds()); 165 } 166 if( Phase::_t_temporaryTimer2.seconds() > minimum_reported_time ) { 167 tty->cr(); 168 tty->print_cr (" temporaryTimer2: %3.3f sec", Phase::_t_temporaryTimer2.seconds()); 169 } 170 tty->print_cr (" output : %3.3f sec", Phase::_t_output.seconds()); 171 tty->print_cr (" isched : %3.3f sec", Phase::_t_instrSched.seconds()); 172 tty->print_cr (" bldOopMaps : %3.3f sec", Phase::_t_buildOopMaps.seconds()); 173 } 174 #endif