1 /*
2 * Copyright 1997-2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 #include "incls/_precompiled.incl"
26 #include "incls/_phase.cpp.incl"
27
28 #ifndef PRODUCT
29 int Phase::_total_bytes_compiled = 0;
30
31 elapsedTimer Phase::_t_totalCompilation;
32 elapsedTimer Phase::_t_methodCompilation;
33 elapsedTimer Phase::_t_stubCompilation;
34 #endif
35
36 // The next timers used for LogCompilation
37 elapsedTimer Phase::_t_parser;
38 elapsedTimer Phase::_t_escapeAnalysis;
39 elapsedTimer Phase::_t_optimizer;
40 elapsedTimer Phase::_t_idealLoop;
41 elapsedTimer Phase::_t_ccp;
42 elapsedTimer Phase::_t_matcher;
43 elapsedTimer Phase::_t_registerAllocation;
44 elapsedTimer Phase::_t_output;
45
46 #ifndef PRODUCT
47 elapsedTimer Phase::_t_graphReshaping;
48 elapsedTimer Phase::_t_scheduler;
49 elapsedTimer Phase::_t_blockOrdering;
50 elapsedTimer Phase::_t_macroExpand;
51 elapsedTimer Phase::_t_peephole;
52 elapsedTimer Phase::_t_codeGeneration;
53 elapsedTimer Phase::_t_registerMethod;
54 elapsedTimer Phase::_t_temporaryTimer1;
55 elapsedTimer Phase::_t_temporaryTimer2;
56
57 // Subtimers for _t_optimizer
58 elapsedTimer Phase::_t_iterGVN;
59 elapsedTimer Phase::_t_iterGVN2;
60
61 // Subtimers for _t_registerAllocation
62 elapsedTimer Phase::_t_ctorChaitin;
63 elapsedTimer Phase::_t_buildIFGphysical;
64 elapsedTimer Phase::_t_computeLive;
65 elapsedTimer Phase::_t_regAllocSplit;
66 elapsedTimer Phase::_t_postAllocCopyRemoval;
67 elapsedTimer Phase::_t_fixupSpills;
68
69 // Subtimers for _t_output
70 elapsedTimer Phase::_t_instrSched;
71 elapsedTimer Phase::_t_buildOopMaps;
72 #endif
73
74 //------------------------------Phase------------------------------------------
75 Phase::Phase( PhaseNumber pnum ) : _pnum(pnum), C( pnum == Compiler ? NULL : Compile::current()) {
76 // Poll for requests from shutdown mechanism to quiesce compiler (4448539, 4448544).
77 // This is an effective place to poll, since the compiler is full of phases.
78 // In particular, every inlining site uses a recursively created Parse phase.
79 CompileBroker::maybe_block();
80 }
81
82 #ifndef PRODUCT
83 static const double minimum_reported_time = 0.0001; // seconds
84 static const double expected_method_compile_coverage = 0.97; // %
85 static const double minimum_meaningful_method_compile = 2.00; // seconds
86
87 void Phase::print_timers() {
88 tty->print_cr ("Accumulated compiler times:");
89 tty->print_cr ("---------------------------");
90 tty->print_cr (" Total compilation: %3.3f sec.", Phase::_t_totalCompilation.seconds());
91 tty->print (" method compilation : %3.3f sec", Phase::_t_methodCompilation.seconds());
92 tty->print ("/%d bytes",_total_bytes_compiled);
93 tty->print_cr (" (%3.0f bytes per sec) ", Phase::_total_bytes_compiled / Phase::_t_methodCompilation.seconds());
94 tty->print_cr (" stub compilation : %3.3f sec.", Phase::_t_stubCompilation.seconds());
95 tty->print_cr (" Phases:");
96 tty->print_cr (" parse : %3.3f sec", Phase::_t_parser.seconds());
97 if (DoEscapeAnalysis) {
98 tty->print_cr (" escape analysis : %3.3f sec", Phase::_t_escapeAnalysis.seconds());
99 }
100 tty->print_cr (" optimizer : %3.3f sec", Phase::_t_optimizer.seconds());
101 if( Verbose || WizardMode ) {
102 tty->print_cr (" iterGVN : %3.3f sec", Phase::_t_iterGVN.seconds());
103 tty->print_cr (" idealLoop : %3.3f sec", Phase::_t_idealLoop.seconds());
104 tty->print_cr (" ccp : %3.3f sec", Phase::_t_ccp.seconds());
105 tty->print_cr (" iterGVN2 : %3.3f sec", Phase::_t_iterGVN2.seconds());
106 tty->print_cr (" graphReshape : %3.3f sec", Phase::_t_graphReshaping.seconds());
107 double optimizer_subtotal = Phase::_t_iterGVN.seconds() +
108 Phase::_t_idealLoop.seconds() + Phase::_t_ccp.seconds() +
109 Phase::_t_graphReshaping.seconds();
110 double percent_of_optimizer = ((optimizer_subtotal == 0.0) ? 0.0 : (optimizer_subtotal / Phase::_t_optimizer.seconds() * 100.0));
111 tty->print_cr (" subtotal : %3.3f sec, %3.2f %%", optimizer_subtotal, percent_of_optimizer);
112 }
113 tty->print_cr (" matcher : %3.3f sec", Phase::_t_matcher.seconds());
114 tty->print_cr (" scheduler : %3.3f sec", Phase::_t_scheduler.seconds());
115 tty->print_cr (" regalloc : %3.3f sec", Phase::_t_registerAllocation.seconds());
116 if( Verbose || WizardMode ) {
117 tty->print_cr (" ctorChaitin : %3.3f sec", Phase::_t_ctorChaitin.seconds());
118 tty->print_cr (" buildIFG : %3.3f sec", Phase::_t_buildIFGphysical.seconds());
119 tty->print_cr (" computeLive : %3.3f sec", Phase::_t_computeLive.seconds());
120 tty->print_cr (" regAllocSplit: %3.3f sec", Phase::_t_regAllocSplit.seconds());
121 tty->print_cr (" postAllocCopyRemoval: %3.3f sec", Phase::_t_postAllocCopyRemoval.seconds());
122 tty->print_cr (" fixupSpills : %3.3f sec", Phase::_t_fixupSpills.seconds());
123 double regalloc_subtotal = Phase::_t_ctorChaitin.seconds() +
124 Phase::_t_buildIFGphysical.seconds() + Phase::_t_computeLive.seconds() +
125 Phase::_t_regAllocSplit.seconds() + Phase::_t_fixupSpills.seconds() +
126 Phase::_t_postAllocCopyRemoval.seconds();
127 double percent_of_regalloc = ((regalloc_subtotal == 0.0) ? 0.0 : (regalloc_subtotal / Phase::_t_registerAllocation.seconds() * 100.0));
128 tty->print_cr (" subtotal : %3.3f sec, %3.2f %%", regalloc_subtotal, percent_of_regalloc);
129 }
130 tty->print_cr (" macroExpand : %3.3f sec", Phase::_t_macroExpand.seconds());
131 tty->print_cr (" blockOrdering: %3.3f sec", Phase::_t_blockOrdering.seconds());
132 tty->print_cr (" peephole : %3.3f sec", Phase::_t_peephole.seconds());
133 tty->print_cr (" codeGen : %3.3f sec", Phase::_t_codeGeneration.seconds());
134 tty->print_cr (" install_code : %3.3f sec", Phase::_t_registerMethod.seconds());
135 tty->print_cr (" ------------ : ----------");
136 double phase_subtotal = Phase::_t_parser.seconds() +
137 (DoEscapeAnalysis ? Phase::_t_escapeAnalysis.seconds() : 0.0) +
138 Phase::_t_optimizer.seconds() + Phase::_t_graphReshaping.seconds() +
139 Phase::_t_matcher.seconds() + Phase::_t_scheduler.seconds() +
140 Phase::_t_registerAllocation.seconds() + Phase::_t_blockOrdering.seconds() +
141 Phase::_t_macroExpand.seconds() + Phase::_t_peephole.seconds() +
142 Phase::_t_codeGeneration.seconds() + Phase::_t_registerMethod.seconds();
143 double percent_of_method_compile = ((phase_subtotal == 0.0) ? 0.0 : phase_subtotal / Phase::_t_methodCompilation.seconds()) * 100.0;
144 // counters inside Compile::CodeGen include time for adapters and stubs
145 // so phase-total can be greater than 100%
146 tty->print_cr (" total : %3.3f sec, %3.2f %%", phase_subtotal, percent_of_method_compile);
147
148 assert( percent_of_method_compile > expected_method_compile_coverage ||
149 phase_subtotal < minimum_meaningful_method_compile,
150 "Must account for method compilation");
151
152 if( Phase::_t_temporaryTimer1.seconds() > minimum_reported_time ) {
153 tty->cr();
154 tty->print_cr (" temporaryTimer1: %3.3f sec", Phase::_t_temporaryTimer1.seconds());
155 }
156 if( Phase::_t_temporaryTimer2.seconds() > minimum_reported_time ) {
157 tty->cr();
158 tty->print_cr (" temporaryTimer2: %3.3f sec", Phase::_t_temporaryTimer2.seconds());
159 }
160 tty->print_cr (" output : %3.3f sec", Phase::_t_output.seconds());
161 tty->print_cr (" isched : %3.3f sec", Phase::_t_instrSched.seconds());
162 tty->print_cr (" bldOopMaps: %3.3f sec", Phase::_t_buildOopMaps.seconds());
163 }
164 #endif