Mercurial > hg > truffle
annotate src/share/vm/compiler/compileLog.cpp @ 9597:d5c2b20e9d73
Merge.
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 07 May 2013 01:59:12 +0200 |
parents | cc32ccaaf47f |
children | 813f26e34135 |
rev | line source |
---|---|
0 | 1 /* |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2 * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1489
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1489
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1489
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "ci/ciMethod.hpp" | |
27 #include "compiler/compileLog.hpp" | |
28 #include "memory/allocation.inline.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
29 #include "oops/method.hpp" |
1972 | 30 #include "runtime/mutexLocker.hpp" |
31 #include "runtime/os.hpp" | |
0 | 32 |
33 CompileLog* CompileLog::_first = NULL; | |
34 | |
35 // ------------------------------------------------------------------ | |
36 // CompileLog::CompileLog | |
37 CompileLog::CompileLog(const char* file, FILE* fp, intx thread_id) | |
38 : _context(_context_buffer, sizeof(_context_buffer)) | |
39 { | |
6197 | 40 initialize(new(ResourceObj::C_HEAP, mtCompiler) fileStream(fp)); |
0 | 41 _file = file; |
42 _file_end = 0; | |
43 _thread_id = thread_id; | |
44 | |
45 _identities_limit = 0; | |
46 _identities_capacity = 400; | |
6197 | 47 _identities = NEW_C_HEAP_ARRAY(char, _identities_capacity, mtCompiler); |
0 | 48 |
49 // link into the global list | |
50 { MutexLocker locker(CompileTaskAlloc_lock); | |
51 _next = _first; | |
52 _first = this; | |
53 } | |
54 } | |
55 | |
56 CompileLog::~CompileLog() { | |
57 delete _out; | |
58 _out = NULL; | |
6197 | 59 FREE_C_HEAP_ARRAY(char, _identities, mtCompiler); |
0 | 60 } |
61 | |
62 | |
63 // see_tag, pop_tag: Override the default do-nothing methods on xmlStream. | |
64 // These methods provide a hook for managing the the extra context markup. | |
65 void CompileLog::see_tag(const char* tag, bool push) { | |
66 if (_context.size() > 0 && _out != NULL) { | |
67 _out->write(_context.base(), _context.size()); | |
68 _context.reset(); | |
69 } | |
70 xmlStream::see_tag(tag, push); | |
71 } | |
72 void CompileLog::pop_tag(const char* tag) { | |
73 _context.reset(); // toss any context info. | |
74 xmlStream::pop_tag(tag); | |
75 } | |
76 | |
77 | |
78 // ------------------------------------------------------------------ | |
79 // CompileLog::identify | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
80 int CompileLog::identify(ciBaseObject* obj) { |
0 | 81 if (obj == NULL) return 0; |
82 int id = obj->ident(); | |
83 if (id < 0) return id; | |
84 // If it has already been identified, just return the id. | |
85 if (id < _identities_limit && _identities[id] != 0) return id; | |
86 // Lengthen the array, if necessary. | |
87 if (id >= _identities_capacity) { | |
88 int new_cap = _identities_capacity * 2; | |
89 if (new_cap <= id) new_cap = id + 100; | |
6197 | 90 _identities = REALLOC_C_HEAP_ARRAY(char, _identities, new_cap, mtCompiler); |
0 | 91 _identities_capacity = new_cap; |
92 } | |
93 while (id >= _identities_limit) { | |
94 _identities[_identities_limit++] = 0; | |
95 } | |
96 assert(id < _identities_limit, "oob"); | |
97 // Mark this id as processed. | |
98 // (Be sure to do this before any recursive calls to identify.) | |
99 _identities[id] = 1; // mark | |
100 | |
101 // Now, print the object's identity once, in detail. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
102 if (obj->is_metadata()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
103 ciMetadata* mobj = obj->as_metadata(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
104 if (mobj->is_klass()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
105 ciKlass* klass = mobj->as_klass(); |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
106 begin_elem("klass id='%d'", id); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
107 name(klass->name()); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
108 if (!klass->is_loaded()) { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
109 print(" unloaded='1'"); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
110 } else { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
111 print(" flags='%d'", klass->modifier_flags()); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
112 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
113 end_elem(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
114 } else if (mobj->is_method()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
115 ciMethod* method = mobj->as_method(); |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
116 ciSignature* sig = method->signature(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
117 // Pre-identify items that we will need! |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
118 identify(sig->return_type()); |
0 | 119 for (int i = 0; i < sig->count(); i++) { |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
120 identify(sig->type_at(i)); |
0 | 121 } |
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
122 begin_elem("method id='%d' holder='%d'", |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
123 id, identify(method->holder())); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
124 name(method->name()); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
125 print(" return='%d'", identify(sig->return_type())); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
126 if (sig->count() > 0) { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
127 print(" arguments='"); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
128 for (int i = 0; i < sig->count(); i++) { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
129 print((i == 0) ? "%d" : " %d", identify(sig->type_at(i))); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
130 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
131 print("'"); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
132 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
133 if (!method->is_loaded()) { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
134 print(" unloaded='1'"); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
135 } else { |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
136 print(" flags='%d'", (jchar) method->flags().as_int()); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
137 // output a few metrics |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
138 print(" bytes='%d'", method->code_size()); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
139 method->log_nmethod_identity(this); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
140 //print(" count='%d'", method->invocation_count()); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
141 //int bec = method->backedge_count(); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
142 //if (bec != 0) print(" backedge_count='%d'", bec); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
143 print(" iicount='%d'", method->interpreter_invocation_count()); |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
144 } |
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6725
diff
changeset
|
145 end_elem(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
146 } else if (mobj->is_type()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
147 BasicType type = mobj->as_type()->basic_type(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
148 elem("type id='%d' name='%s'", id, type2name(type)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
149 } else { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
150 // Should not happen. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
151 elem("unknown id='%d'", id); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
152 ShouldNotReachHere(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
153 } |
0 | 154 } else if (obj->is_symbol()) { |
155 begin_elem("symbol id='%d'", id); | |
156 name(obj->as_symbol()); | |
157 end_elem(); | |
158 } else { | |
159 // Should not happen. | |
160 elem("unknown id='%d'", id); | |
161 } | |
162 return id; | |
163 } | |
164 | |
165 void CompileLog::name(ciSymbol* name) { | |
166 if (name == NULL) return; | |
167 print(" name='"); | |
168 name->print_symbol_on(text()); // handles quoting conventions | |
169 print("'"); | |
170 } | |
171 | |
172 | |
173 // ------------------------------------------------------------------ | |
174 // CompileLog::clear_identities | |
175 // Forget which identities have been printed. | |
176 void CompileLog::clear_identities() { | |
177 _identities_limit = 0; | |
178 } | |
179 | |
180 // ------------------------------------------------------------------ | |
181 // CompileLog::finish_log_on_error | |
182 // | |
183 // Note: This function is called after fatal error, avoid unnecessary memory | |
184 // or stack allocation, use only async-safe functions. It's possible JVM is | |
185 // only partially initialized. | |
186 void CompileLog::finish_log_on_error(outputStream* file, char* buf, int buflen) { | |
187 static bool called_exit = false; | |
188 if (called_exit) return; | |
189 called_exit = true; | |
190 | |
191 for (CompileLog* log = _first; log != NULL; log = log->_next) { | |
192 log->flush(); | |
193 const char* partial_file = log->file(); | |
194 int partial_fd = open(partial_file, O_RDONLY); | |
195 if (partial_fd != -1) { | |
196 // print/print_cr may need to allocate large stack buffer to format | |
197 // strings, here we use snprintf() and print_raw() instead. | |
198 file->print_raw("<compilation_log thread='"); | |
199 jio_snprintf(buf, buflen, UINTX_FORMAT, log->thread_id()); | |
200 file->print_raw(buf); | |
201 file->print_raw_cr("'>"); | |
202 | |
203 size_t nr; // number read into buf from partial log | |
204 // Copy data up to the end of the last <event> element: | |
205 julong to_read = log->_file_end; | |
206 while (to_read > 0) { | |
207 if (to_read < (julong)buflen) | |
208 nr = (size_t)to_read; | |
209 else nr = buflen; | |
210 nr = read(partial_fd, buf, (int)nr); | |
211 if (nr <= 0) break; | |
212 to_read -= (julong)nr; | |
213 file->write(buf, nr); | |
214 } | |
215 | |
216 // Copy any remaining data inside a quote: | |
217 bool saw_slop = false; | |
218 int end_cdata = 0; // state machine [0..2] watching for too many "]]" | |
219 while ((nr = read(partial_fd, buf, buflen)) > 0) { | |
220 if (!saw_slop) { | |
221 file->print_raw_cr("<fragment>"); | |
222 file->print_raw_cr("<![CDATA["); | |
223 saw_slop = true; | |
224 } | |
225 // The rest of this loop amounts to a simple copy operation: | |
226 // { file->write(buf, nr); } | |
227 // However, it must sometimes output the buffer in parts, | |
228 // in case there is a CDATA quote embedded in the fragment. | |
229 const char* bufp; // pointer into buf | |
230 size_t nw; // number written in each pass of the following loop: | |
231 for (bufp = buf; nr > 0; nr -= nw, bufp += nw) { | |
232 // Write up to any problematic CDATA delimiter (usually all of nr). | |
233 for (nw = 0; nw < nr; nw++) { | |
234 // First, scan ahead into the buf, checking the state machine. | |
235 switch (bufp[nw]) { | |
236 case ']': | |
237 if (end_cdata < 2) end_cdata += 1; // saturating counter | |
238 continue; // keep scanning | |
239 case '>': | |
240 if (end_cdata == 2) break; // found CDATA delimiter! | |
241 // else fall through: | |
242 default: | |
243 end_cdata = 0; | |
244 continue; // keep scanning | |
245 } | |
246 // If we get here, nw is pointing at a bad '>'. | |
247 // It is very rare for this to happen. | |
248 // However, this code has been tested by introducing | |
249 // CDATA sequences into the compilation log. | |
250 break; | |
251 } | |
252 // Now nw is the number of characters to write, usually == nr. | |
253 file->write(bufp, nw); | |
254 if (nw < nr) { | |
255 // We are about to go around the loop again. | |
256 // But first, disrupt the ]]> by closing and reopening the quote. | |
257 file->print_raw("]]><![CDATA["); | |
258 end_cdata = 0; // reset state machine | |
259 } | |
260 } | |
261 } | |
262 if (saw_slop) { | |
263 file->print_raw_cr("]]>"); | |
264 file->print_raw_cr("</fragment>"); | |
265 } | |
266 file->print_raw_cr("</compilation_log>"); | |
267 close(partial_fd); | |
268 unlink(partial_file); | |
269 } | |
270 } | |
271 } | |
272 | |
273 // ------------------------------------------------------------------ | |
274 // CompileLog::finish_log | |
275 // | |
276 // Called during normal shutdown. For now, any clean-up needed in normal | |
277 // shutdown is also needed in VM abort, so is covered by finish_log_on_error(). | |
278 // Just allocate a buffer and call finish_log_on_error(). | |
279 void CompileLog::finish_log(outputStream* file) { | |
280 char buf[4 * K]; | |
281 finish_log_on_error(file, buf, sizeof(buf)); | |
282 } | |
6843 | 283 |
284 // ------------------------------------------------------------------ | |
285 // CompileLog::inline_success | |
286 // | |
287 // Print about successful method inlining. | |
288 void CompileLog::inline_success(const char* reason) { | |
289 begin_elem("inline_success reason='"); | |
290 text(reason); | |
291 end_elem("'"); | |
292 } | |
293 | |
294 // ------------------------------------------------------------------ | |
295 // CompileLog::inline_fail | |
296 // | |
297 // Print about failed method inlining. | |
298 void CompileLog::inline_fail(const char* reason) { | |
299 begin_elem("inline_fail reason='"); | |
300 text(reason); | |
301 end_elem("'"); | |
302 } | |
303 | |
304 // ------------------------------------------------------------------ | |
305 // CompileLog::set_context | |
306 // | |
307 // Set XML tag as an optional marker - it is printed only if | |
308 // there are other entries after until it is reset. | |
309 void CompileLog::set_context(const char* format, ...) { | |
310 va_list ap; | |
311 va_start(ap, format); | |
312 clear_context(); | |
313 _context.print("<"); | |
314 _context.vprint(format, ap); | |
315 _context.print_cr("/>"); | |
316 va_end(ap); | |
317 } | |
318 | |
319 // ------------------------------------------------------------------ | |
320 // CompileLog::code_cache_state | |
321 // | |
322 // Print code cache state. | |
323 void CompileLog::code_cache_state() { | |
324 begin_elem("code_cache"); | |
325 CodeCache::log_state(this); | |
326 end_elem(""); | |
327 } |