1 /*
2 * Copyright (c) 1997, 2010, 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_escapeAnalysis;
43 elapsedTimer Phase::_t_optimizer;
44 elapsedTimer Phase::_t_idealLoop;
45 elapsedTimer Phase::_t_ccp;
46 elapsedTimer Phase::_t_matcher;
47 elapsedTimer Phase::_t_registerAllocation;
48 elapsedTimer Phase::_t_output;
49
50 #ifndef PRODUCT
51 elapsedTimer Phase::_t_graphReshaping;
52 elapsedTimer Phase::_t_scheduler;
53 elapsedTimer Phase::_t_blockOrdering;
54 elapsedTimer Phase::_t_macroExpand;
55 elapsedTimer Phase::_t_peephole;
56 elapsedTimer Phase::_t_codeGeneration;
57 elapsedTimer Phase::_t_registerMethod;
58 elapsedTimer Phase::_t_temporaryTimer1;
59 elapsedTimer Phase::_t_temporaryTimer2;
60 elapsedTimer Phase::_t_idealLoopVerify;
61
62 // Subtimers for _t_optimizer
63 elapsedTimer Phase::_t_iterGVN;
64 elapsedTimer Phase::_t_iterGVN2;
65
66 // Subtimers for _t_registerAllocation
67 elapsedTimer Phase::_t_ctorChaitin;
68 elapsedTimer Phase::_t_buildIFGphysical;
69 elapsedTimer Phase::_t_computeLive;
70 elapsedTimer Phase::_t_regAllocSplit;
71 elapsedTimer Phase::_t_postAllocCopyRemoval;
72 elapsedTimer Phase::_t_fixupSpills;
73
74 // Subtimers for _t_output
75 elapsedTimer Phase::_t_instrSched;
76 elapsedTimer Phase::_t_buildOopMaps;
77 #endif
78
79 //------------------------------Phase------------------------------------------
80 Phase::Phase( PhaseNumber pnum ) : _pnum(pnum), C( pnum == Compiler ? NULL : Compile::current()) {
81 // Poll for requests from shutdown mechanism to quiesce compiler (4448539, 4448544).
82 // This is an effective place to poll, since the compiler is full of phases.
83 // In particular, every inlining site uses a recursively created Parse phase.
84 CompileBroker::maybe_block();
85 }
86
87 #ifndef PRODUCT
88 static const double minimum_reported_time = 0.0001; // seconds
89 static const double expected_method_compile_coverage = 0.97; // %
90 static const double minimum_meaningful_method_compile = 2.00; // seconds
91
92 void Phase::print_timers() {
93 tty->print_cr ("Accumulated compiler times:");
94 tty->print_cr ("---------------------------");
95 tty->print_cr (" Total compilation: %3.3f sec.", Phase::_t_totalCompilation.seconds());
96 tty->print (" method compilation : %3.3f sec", Phase::_t_methodCompilation.seconds());
97 tty->print ("/%d bytes",_total_bytes_compiled);
98 tty->print_cr (" (%3.0f bytes per sec) ", Phase::_total_bytes_compiled / Phase::_t_methodCompilation.seconds());
99 tty->print_cr (" stub compilation : %3.3f sec.", Phase::_t_stubCompilation.seconds());
100 tty->print_cr (" Phases:");
101 tty->print_cr (" parse : %3.3f sec", Phase::_t_parser.seconds());
102 if (DoEscapeAnalysis) {
103 tty->print_cr (" escape analysis : %3.3f sec", Phase::_t_escapeAnalysis.seconds());
104 }
105 tty->print_cr (" optimizer : %3.3f sec", Phase::_t_optimizer.seconds());
106 if( Verbose || WizardMode ) {
107 tty->print_cr (" iterGVN : %3.3f sec", Phase::_t_iterGVN.seconds());
108 tty->print_cr (" idealLoop : %3.3f sec", Phase::_t_idealLoop.seconds());
109 tty->print_cr (" idealLoopVerify: %3.3f sec", Phase::_t_idealLoopVerify.seconds());
110 tty->print_cr (" ccp : %3.3f sec", Phase::_t_ccp.seconds());
111 tty->print_cr (" iterGVN2 : %3.3f sec", Phase::_t_iterGVN2.seconds());
112 tty->print_cr (" graphReshape : %3.3f sec", Phase::_t_graphReshaping.seconds());
113 double optimizer_subtotal = Phase::_t_iterGVN.seconds() +
114 Phase::_t_idealLoop.seconds() + Phase::_t_ccp.seconds() +
115 Phase::_t_graphReshaping.seconds();
116 double percent_of_optimizer = ((optimizer_subtotal == 0.0) ? 0.0 : (optimizer_subtotal / Phase::_t_optimizer.seconds() * 100.0));
117 tty->print_cr (" subtotal : %3.3f sec, %3.2f %%", optimizer_subtotal, percent_of_optimizer);
118 }
119 tty->print_cr (" matcher : %3.3f sec", Phase::_t_matcher.seconds());
120 tty->print_cr (" scheduler : %3.3f sec", Phase::_t_scheduler.seconds());
121 tty->print_cr (" regalloc : %3.3f sec", Phase::_t_registerAllocation.seconds());
122 if( Verbose || WizardMode ) {
123 tty->print_cr (" ctorChaitin : %3.3f sec", Phase::_t_ctorChaitin.seconds());
124 tty->print_cr (" buildIFG : %3.3f sec", Phase::_t_buildIFGphysical.seconds());
125 tty->print_cr (" computeLive : %3.3f sec", Phase::_t_computeLive.seconds());
126 tty->print_cr (" regAllocSplit : %3.3f sec", Phase::_t_regAllocSplit.seconds());
127 tty->print_cr (" postAllocCopyRemoval: %3.3f sec", Phase::_t_postAllocCopyRemoval.seconds());
128 tty->print_cr (" fixupSpills : %3.3f sec", Phase::_t_fixupSpills.seconds());
129 double regalloc_subtotal = Phase::_t_ctorChaitin.seconds() +
130 Phase::_t_buildIFGphysical.seconds() + Phase::_t_computeLive.seconds() +
131 Phase::_t_regAllocSplit.seconds() + Phase::_t_fixupSpills.seconds() +
132 Phase::_t_postAllocCopyRemoval.seconds();
133 double percent_of_regalloc = ((regalloc_subtotal == 0.0) ? 0.0 : (regalloc_subtotal / Phase::_t_registerAllocation.seconds() * 100.0));
134 tty->print_cr (" subtotal : %3.3f sec, %3.2f %%", regalloc_subtotal, percent_of_regalloc);
135 }
136 tty->print_cr (" macroExpand : %3.3f sec", Phase::_t_macroExpand.seconds());
137 tty->print_cr (" blockOrdering : %3.3f sec", Phase::_t_blockOrdering.seconds());
138 tty->print_cr (" peephole : %3.3f sec", Phase::_t_peephole.seconds());
139 tty->print_cr (" codeGen : %3.3f sec", Phase::_t_codeGeneration.seconds());
140 tty->print_cr (" install_code : %3.3f sec", Phase::_t_registerMethod.seconds());
141 tty->print_cr (" -------------- : ----------");
142 double phase_subtotal = Phase::_t_parser.seconds() +
143 (DoEscapeAnalysis ? Phase::_t_escapeAnalysis.seconds() : 0.0) +
144 Phase::_t_optimizer.seconds() + Phase::_t_graphReshaping.seconds() +
145 Phase::_t_matcher.seconds() + Phase::_t_scheduler.seconds() +
146 Phase::_t_registerAllocation.seconds() + Phase::_t_blockOrdering.seconds() +
147 Phase::_t_macroExpand.seconds() + Phase::_t_peephole.seconds() +
148 Phase::_t_codeGeneration.seconds() + Phase::_t_registerMethod.seconds();
149 double percent_of_method_compile = ((phase_subtotal == 0.0) ? 0.0 : phase_subtotal / Phase::_t_methodCompilation.seconds()) * 100.0;
150 // counters inside Compile::CodeGen include time for adapters and stubs
151 // so phase-total can be greater than 100%
152 tty->print_cr (" total : %3.3f sec, %3.2f %%", phase_subtotal, percent_of_method_compile);
153
154 assert( percent_of_method_compile > expected_method_compile_coverage ||
155 phase_subtotal < minimum_meaningful_method_compile,
156 "Must account for method compilation");
157
158 if( Phase::_t_temporaryTimer1.seconds() > minimum_reported_time ) {
159 tty->cr();
160 tty->print_cr (" temporaryTimer1: %3.3f sec", Phase::_t_temporaryTimer1.seconds());
161 }
162 if( Phase::_t_temporaryTimer2.seconds() > minimum_reported_time ) {
163 tty->cr();
164 tty->print_cr (" temporaryTimer2: %3.3f sec", Phase::_t_temporaryTimer2.seconds());
165 }
166 tty->print_cr (" output : %3.3f sec", Phase::_t_output.seconds());
167 tty->print_cr (" isched : %3.3f sec", Phase::_t_instrSched.seconds());
168 tty->print_cr (" bldOopMaps : %3.3f sec", Phase::_t_buildOopMaps.seconds());
169 }
170 #endif