Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/fprofiler.cpp @ 18096:ca6d25be853b jdk8u25-b13
8044269: Analysis of archive files.
Summary: Add checksum verification.
Reviewed-by: iklam, dholmes, mschoene
| author | jiangli |
|---|---|
| date | Tue, 12 Aug 2014 17:46:16 -0400 |
| parents | 78bbf4d43a14 |
| children | ce8f6bb717c9 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2014, 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/classLoader.hpp" | |
| 27 #include "code/vtableStubs.hpp" | |
| 28 #include "gc_interface/collectedHeap.inline.hpp" | |
| 29 #include "interpreter/interpreter.hpp" | |
| 30 #include "memory/allocation.inline.hpp" | |
| 31 #include "memory/universe.inline.hpp" | |
| 32 #include "oops/oop.inline.hpp" | |
| 33 #include "oops/oop.inline2.hpp" | |
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34 #include "oops/symbol.hpp" |
| 1972 | 35 #include "runtime/deoptimization.hpp" |
| 36 #include "runtime/fprofiler.hpp" | |
| 37 #include "runtime/mutexLocker.hpp" | |
| 38 #include "runtime/stubCodeGenerator.hpp" | |
| 39 #include "runtime/stubRoutines.hpp" | |
| 40 #include "runtime/task.hpp" | |
| 41 #include "runtime/vframe.hpp" | |
| 42 #include "utilities/macros.hpp" | |
| 0 | 43 |
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44 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
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45 |
| 0 | 46 // Static fields of FlatProfiler |
| 47 int FlatProfiler::received_gc_ticks = 0; | |
| 48 int FlatProfiler::vm_operation_ticks = 0; | |
| 49 int FlatProfiler::threads_lock_ticks = 0; | |
| 50 int FlatProfiler::class_loader_ticks = 0; | |
| 51 int FlatProfiler::extra_ticks = 0; | |
| 52 int FlatProfiler::blocked_ticks = 0; | |
| 53 int FlatProfiler::deopt_ticks = 0; | |
| 54 int FlatProfiler::unknown_ticks = 0; | |
| 55 int FlatProfiler::interpreter_ticks = 0; | |
| 56 int FlatProfiler::compiler_ticks = 0; | |
| 57 int FlatProfiler::received_ticks = 0; | |
| 58 int FlatProfiler::delivered_ticks = 0; | |
| 59 int* FlatProfiler::bytecode_ticks = NULL; | |
| 60 int* FlatProfiler::bytecode_ticks_stub = NULL; | |
| 61 int FlatProfiler::all_int_ticks = 0; | |
| 62 int FlatProfiler::all_comp_ticks = 0; | |
| 63 int FlatProfiler::all_ticks = 0; | |
| 64 bool FlatProfiler::full_profile_flag = false; | |
| 65 ThreadProfiler* FlatProfiler::thread_profiler = NULL; | |
| 66 ThreadProfiler* FlatProfiler::vm_thread_profiler = NULL; | |
| 67 FlatProfilerTask* FlatProfiler::task = NULL; | |
| 68 elapsedTimer FlatProfiler::timer; | |
| 69 int FlatProfiler::interval_ticks_previous = 0; | |
| 70 IntervalData* FlatProfiler::interval_data = NULL; | |
| 71 | |
| 72 ThreadProfiler::ThreadProfiler() { | |
| 73 // Space for the ProfilerNodes | |
| 74 const int area_size = 1 * ProfilerNodeSize * 1024; | |
| 6197 | 75 area_bottom = AllocateHeap(area_size, mtInternal); |
| 0 | 76 area_top = area_bottom; |
| 77 area_limit = area_bottom + area_size; | |
| 78 | |
| 79 // ProfilerNode pointer table | |
| 6197 | 80 table = NEW_C_HEAP_ARRAY(ProfilerNode*, table_size, mtInternal); |
| 0 | 81 initialize(); |
| 82 engaged = false; | |
| 83 } | |
| 84 | |
| 85 ThreadProfiler::~ThreadProfiler() { | |
| 86 FreeHeap(area_bottom); | |
| 87 area_bottom = NULL; | |
| 88 area_top = NULL; | |
| 89 area_limit = NULL; | |
| 90 FreeHeap(table); | |
| 91 table = NULL; | |
| 92 } | |
| 93 | |
| 94 // Statics for ThreadProfiler | |
| 95 int ThreadProfiler::table_size = 1024; | |
| 96 | |
| 97 int ThreadProfiler::entry(int value) { | |
| 98 value = (value > 0) ? value : -value; | |
| 99 return value % table_size; | |
| 100 } | |
| 101 | |
| 102 ThreadProfilerMark::ThreadProfilerMark(ThreadProfilerMark::Region r) { | |
| 103 _r = r; | |
| 104 _pp = NULL; | |
| 105 assert(((r > ThreadProfilerMark::noRegion) && (r < ThreadProfilerMark::maxRegion)), "ThreadProfilerMark::Region out of bounds"); | |
| 106 Thread* tp = Thread::current(); | |
| 107 if (tp != NULL && tp->is_Java_thread()) { | |
| 108 JavaThread* jtp = (JavaThread*) tp; | |
| 109 ThreadProfiler* pp = jtp->get_thread_profiler(); | |
| 110 _pp = pp; | |
| 111 if (pp != NULL) { | |
| 112 pp->region_flag[r] = true; | |
| 113 } | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 ThreadProfilerMark::~ThreadProfilerMark() { | |
| 118 if (_pp != NULL) { | |
| 119 _pp->region_flag[_r] = false; | |
| 120 } | |
| 121 _pp = NULL; | |
| 122 } | |
| 123 | |
| 124 // Random other statics | |
| 125 static const int col1 = 2; // position of output column 1 | |
| 126 static const int col2 = 11; // position of output column 2 | |
| 127 static const int col3 = 25; // position of output column 3 | |
| 128 static const int col4 = 55; // position of output column 4 | |
| 129 | |
| 130 | |
| 131 // Used for detailed profiling of nmethods. | |
| 132 class PCRecorder : AllStatic { | |
| 133 private: | |
| 134 static int* counters; | |
| 135 static address base; | |
| 136 enum { | |
| 137 bucket_size = 16 | |
| 138 }; | |
| 139 static int index_for(address pc) { return (pc - base)/bucket_size; } | |
| 140 static address pc_for(int index) { return base + (index * bucket_size); } | |
| 141 static int size() { | |
| 142 return ((int)CodeCache::max_capacity())/bucket_size * BytesPerWord; | |
| 143 } | |
| 144 public: | |
| 145 static address bucket_start_for(address pc) { | |
| 146 if (counters == NULL) return NULL; | |
| 147 return pc_for(index_for(pc)); | |
| 148 } | |
| 149 static int bucket_count_for(address pc) { return counters[index_for(pc)]; } | |
| 150 static void init(); | |
| 151 static void record(address pc); | |
| 152 static void print(); | |
| 153 static void print_blobs(CodeBlob* cb); | |
| 154 }; | |
| 155 | |
| 156 int* PCRecorder::counters = NULL; | |
| 157 address PCRecorder::base = NULL; | |
| 158 | |
| 159 void PCRecorder::init() { | |
| 160 MutexLockerEx lm(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 161 int s = size(); | |
| 6197 | 162 counters = NEW_C_HEAP_ARRAY(int, s, mtInternal); |
| 0 | 163 for (int index = 0; index < s; index++) { |
| 164 counters[index] = 0; | |
| 165 } | |
| 166 base = CodeCache::first_address(); | |
| 167 } | |
| 168 | |
| 169 void PCRecorder::record(address pc) { | |
| 170 if (counters == NULL) return; | |
| 171 assert(CodeCache::contains(pc), "must be in CodeCache"); | |
| 172 counters[index_for(pc)]++; | |
| 173 } | |
| 174 | |
| 175 | |
| 176 address FlatProfiler::bucket_start_for(address pc) { | |
| 177 return PCRecorder::bucket_start_for(pc); | |
| 178 } | |
| 179 | |
| 180 int FlatProfiler::bucket_count_for(address pc) { | |
| 181 return PCRecorder::bucket_count_for(pc); | |
| 182 } | |
| 183 | |
| 184 void PCRecorder::print() { | |
| 185 if (counters == NULL) return; | |
| 186 | |
| 187 tty->cr(); | |
| 188 tty->print_cr("Printing compiled methods with PC buckets having more than %d ticks", ProfilerPCTickThreshold); | |
| 189 tty->print_cr("==================================================================="); | |
| 190 tty->cr(); | |
| 191 | |
| 192 GrowableArray<CodeBlob*>* candidates = new GrowableArray<CodeBlob*>(20); | |
| 193 | |
| 194 | |
| 195 int s; | |
| 196 { | |
| 197 MutexLockerEx lm(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 198 s = size(); | |
| 199 } | |
| 200 | |
| 201 for (int index = 0; index < s; index++) { | |
| 202 int count = counters[index]; | |
| 203 if (count > ProfilerPCTickThreshold) { | |
| 204 address pc = pc_for(index); | |
| 205 CodeBlob* cb = CodeCache::find_blob_unsafe(pc); | |
| 206 if (cb != NULL && candidates->find(cb) < 0) { | |
| 207 candidates->push(cb); | |
| 208 } | |
| 209 } | |
| 210 } | |
| 211 for (int i = 0; i < candidates->length(); i++) { | |
| 212 print_blobs(candidates->at(i)); | |
| 213 } | |
| 214 } | |
| 215 | |
| 216 void PCRecorder::print_blobs(CodeBlob* cb) { | |
| 217 if (cb != NULL) { | |
| 218 cb->print(); | |
| 219 if (cb->is_nmethod()) { | |
| 220 ((nmethod*)cb)->print_code(); | |
| 221 } | |
| 222 tty->cr(); | |
| 223 } else { | |
| 224 tty->print_cr("stub code"); | |
| 225 } | |
| 226 } | |
| 227 | |
| 228 class tick_counter { // holds tick info for one node | |
| 229 public: | |
| 230 int ticks_in_code; | |
| 231 int ticks_in_native; | |
| 232 | |
| 233 tick_counter() { ticks_in_code = ticks_in_native = 0; } | |
| 234 tick_counter(int code, int native) { ticks_in_code = code; ticks_in_native = native; } | |
| 235 | |
| 236 int total() const { | |
| 237 return (ticks_in_code + ticks_in_native); | |
| 238 } | |
| 239 | |
| 240 void add(tick_counter* a) { | |
| 241 ticks_in_code += a->ticks_in_code; | |
| 242 ticks_in_native += a->ticks_in_native; | |
| 243 } | |
| 244 | |
| 245 void update(TickPosition where) { | |
| 246 switch(where) { | |
| 247 case tp_code: ticks_in_code++; break; | |
| 248 case tp_native: ticks_in_native++; break; | |
| 249 } | |
| 250 } | |
| 251 | |
| 252 void print_code(outputStream* st, int total_ticks) { | |
| 253 st->print("%5.1f%% %5d ", total() * 100.0 / total_ticks, ticks_in_code); | |
| 254 } | |
| 255 | |
| 256 void print_native(outputStream* st) { | |
| 257 st->print(" + %5d ", ticks_in_native); | |
| 258 } | |
| 259 }; | |
| 260 | |
| 261 class ProfilerNode { | |
| 262 private: | |
| 263 ProfilerNode* _next; | |
| 264 public: | |
| 265 tick_counter ticks; | |
| 266 | |
| 267 public: | |
| 268 | |
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269 void* operator new(size_t size, ThreadProfiler* tp) throw(); |
| 0 | 270 void operator delete(void* p); |
| 271 | |
| 272 ProfilerNode() { | |
| 273 _next = NULL; | |
| 274 } | |
| 275 | |
| 276 virtual ~ProfilerNode() { | |
| 277 if (_next) | |
| 278 delete _next; | |
| 279 } | |
| 280 | |
| 281 void set_next(ProfilerNode* n) { _next = n; } | |
| 282 ProfilerNode* next() { return _next; } | |
| 283 | |
| 284 void update(TickPosition where) { ticks.update(where);} | |
| 285 int total_ticks() { return ticks.total(); } | |
| 286 | |
| 287 virtual bool is_interpreted() const { return false; } | |
| 288 virtual bool is_compiled() const { return false; } | |
| 289 virtual bool is_stub() const { return false; } | |
| 290 virtual bool is_runtime_stub() const{ return false; } | |
| 291 virtual void oops_do(OopClosure* f) = 0; | |
| 292 | |
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293 virtual bool interpreted_match(Method* m) const { return false; } |
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294 virtual bool compiled_match(Method* m ) const { return false; } |
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295 virtual bool stub_match(Method* m, const char* name) const { return false; } |
| 0 | 296 virtual bool adapter_match() const { return false; } |
| 297 virtual bool runtimeStub_match(const CodeBlob* stub, const char* name) const { return false; } | |
| 298 virtual bool unknown_compiled_match(const CodeBlob* cb) const { return false; } | |
| 299 | |
| 300 static void print_title(outputStream* st) { | |
| 301 st->print(" + native"); | |
| 302 st->fill_to(col3); | |
| 303 st->print("Method"); | |
| 304 st->fill_to(col4); | |
| 305 st->cr(); | |
| 306 } | |
| 307 | |
| 308 static void print_total(outputStream* st, tick_counter* t, int total, const char* msg) { | |
| 309 t->print_code(st, total); | |
| 310 st->fill_to(col2); | |
| 311 t->print_native(st); | |
| 312 st->fill_to(col3); | |
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313 st->print("%s", msg); |
| 0 | 314 st->cr(); |
| 315 } | |
| 316 | |
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317 virtual Method* method() = 0; |
| 0 | 318 |
| 319 virtual void print_method_on(outputStream* st) { | |
| 320 int limit; | |
| 321 int i; | |
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322 Method* m = method(); |
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323 Symbol* k = m->klass_name(); |
| 0 | 324 // Print the class name with dots instead of slashes |
| 325 limit = k->utf8_length(); | |
| 326 for (i = 0 ; i < limit ; i += 1) { | |
| 327 char c = (char) k->byte_at(i); | |
| 328 if (c == '/') { | |
| 329 c = '.'; | |
| 330 } | |
| 331 st->print("%c", c); | |
| 332 } | |
| 333 if (limit > 0) { | |
| 334 st->print("."); | |
| 335 } | |
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336 Symbol* n = m->name(); |
| 0 | 337 limit = n->utf8_length(); |
| 338 for (i = 0 ; i < limit ; i += 1) { | |
| 339 char c = (char) n->byte_at(i); | |
| 340 st->print("%c", c); | |
| 341 } | |
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342 if (Verbose || WizardMode) { |
| 0 | 343 // Disambiguate overloaded methods |
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344 Symbol* sig = m->signature(); |
| 0 | 345 sig->print_symbol_on(st); |
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346 } else if (MethodHandles::is_signature_polymorphic(m->intrinsic_id())) |
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347 // compare with Method::print_short_name |
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348 MethodHandles::print_as_basic_type_signature_on(st, m->signature(), true); |
| 0 | 349 } |
| 350 | |
| 351 virtual void print(outputStream* st, int total_ticks) { | |
| 352 ticks.print_code(st, total_ticks); | |
| 353 st->fill_to(col2); | |
| 354 ticks.print_native(st); | |
| 355 st->fill_to(col3); | |
| 356 print_method_on(st); | |
| 357 st->cr(); | |
| 358 } | |
| 359 | |
| 360 // for hashing into the table | |
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361 static int hash(Method* method) { |
| 0 | 362 // The point here is to try to make something fairly unique |
| 363 // out of the fields we can read without grabbing any locks | |
| 364 // since the method may be locked when we need the hash. | |
| 365 return ( | |
| 366 method->code_size() ^ | |
| 367 method->max_stack() ^ | |
| 368 method->max_locals() ^ | |
| 369 method->size_of_parameters()); | |
| 370 } | |
| 371 | |
| 372 // for sorting | |
| 373 static int compare(ProfilerNode** a, ProfilerNode** b) { | |
| 374 return (*b)->total_ticks() - (*a)->total_ticks(); | |
| 375 } | |
| 376 }; | |
| 377 | |
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378 void* ProfilerNode::operator new(size_t size, ThreadProfiler* tp) throw() { |
| 0 | 379 void* result = (void*) tp->area_top; |
| 380 tp->area_top += size; | |
| 381 | |
| 382 if (tp->area_top > tp->area_limit) { | |
| 383 fatal("flat profiler buffer overflow"); | |
| 384 } | |
| 385 return result; | |
| 386 } | |
| 387 | |
| 388 void ProfilerNode::operator delete(void* p){ | |
| 389 } | |
| 390 | |
| 391 class interpretedNode : public ProfilerNode { | |
| 392 private: | |
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393 Method* _method; |
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394 oop _class_loader; // needed to keep metadata for the method alive |
| 0 | 395 public: |
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396 interpretedNode(Method* method, TickPosition where) : ProfilerNode() { |
| 0 | 397 _method = method; |
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398 _class_loader = method->method_holder()->class_loader(); |
| 0 | 399 update(where); |
| 400 } | |
| 401 | |
| 402 bool is_interpreted() const { return true; } | |
| 403 | |
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404 bool interpreted_match(Method* m) const { |
| 0 | 405 return _method == m; |
| 406 } | |
| 407 | |
| 408 void oops_do(OopClosure* f) { | |
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409 f->do_oop(&_class_loader); |
| 0 | 410 } |
| 411 | |
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412 Method* method() { return _method; } |
| 0 | 413 |
| 414 static void print_title(outputStream* st) { | |
| 415 st->fill_to(col1); | |
| 416 st->print("%11s", "Interpreted"); | |
| 417 ProfilerNode::print_title(st); | |
| 418 } | |
| 419 | |
| 420 void print(outputStream* st, int total_ticks) { | |
| 421 ProfilerNode::print(st, total_ticks); | |
| 422 } | |
| 423 | |
| 424 void print_method_on(outputStream* st) { | |
| 425 ProfilerNode::print_method_on(st); | |
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426 MethodCounters* mcs = method()->method_counters(); |
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427 if (Verbose && mcs != NULL) mcs->invocation_counter()->print_short(); |
| 0 | 428 } |
| 429 }; | |
| 430 | |
| 431 class compiledNode : public ProfilerNode { | |
| 432 private: | |
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433 Method* _method; |
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434 oop _class_loader; // needed to keep metadata for the method alive |
| 0 | 435 public: |
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436 compiledNode(Method* method, TickPosition where) : ProfilerNode() { |
| 0 | 437 _method = method; |
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438 _class_loader = method->method_holder()->class_loader(); |
| 0 | 439 update(where); |
| 440 } | |
| 441 bool is_compiled() const { return true; } | |
| 442 | |
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443 bool compiled_match(Method* m) const { |
| 0 | 444 return _method == m; |
| 445 } | |
| 446 | |
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447 Method* method() { return _method; } |
| 0 | 448 |
| 449 void oops_do(OopClosure* f) { | |
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450 f->do_oop(&_class_loader); |
| 0 | 451 } |
| 452 | |
| 453 static void print_title(outputStream* st) { | |
| 454 st->fill_to(col1); | |
| 455 st->print("%11s", "Compiled"); | |
| 456 ProfilerNode::print_title(st); | |
| 457 } | |
| 458 | |
| 459 void print(outputStream* st, int total_ticks) { | |
| 460 ProfilerNode::print(st, total_ticks); | |
| 461 } | |
| 462 | |
| 463 void print_method_on(outputStream* st) { | |
| 464 ProfilerNode::print_method_on(st); | |
| 465 } | |
| 466 }; | |
| 467 | |
| 468 class stubNode : public ProfilerNode { | |
| 469 private: | |
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470 Method* _method; |
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471 oop _class_loader; // needed to keep metadata for the method alive |
| 0 | 472 const char* _symbol; // The name of the nearest VM symbol (for +ProfileVM). Points to a unique string |
| 473 public: | |
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474 stubNode(Method* method, const char* name, TickPosition where) : ProfilerNode() { |
| 0 | 475 _method = method; |
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476 _class_loader = method->method_holder()->class_loader(); |
| 0 | 477 _symbol = name; |
| 478 update(where); | |
| 479 } | |
| 480 | |
| 481 bool is_stub() const { return true; } | |
| 482 | |
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483 void oops_do(OopClosure* f) { |
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484 f->do_oop(&_class_loader); |
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485 } |
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486 |
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487 bool stub_match(Method* m, const char* name) const { |
| 0 | 488 return (_method == m) && (_symbol == name); |
| 489 } | |
| 490 | |
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491 Method* method() { return _method; } |
| 0 | 492 |
| 493 static void print_title(outputStream* st) { | |
| 494 st->fill_to(col1); | |
| 495 st->print("%11s", "Stub"); | |
| 496 ProfilerNode::print_title(st); | |
| 497 } | |
| 498 | |
| 499 void print(outputStream* st, int total_ticks) { | |
| 500 ProfilerNode::print(st, total_ticks); | |
| 501 } | |
| 502 | |
| 503 void print_method_on(outputStream* st) { | |
| 504 ProfilerNode::print_method_on(st); | |
| 505 print_symbol_on(st); | |
| 506 } | |
| 507 | |
| 508 void print_symbol_on(outputStream* st) { | |
| 509 if(_symbol) { | |
| 510 st->print(" (%s)", _symbol); | |
| 511 } | |
| 512 } | |
| 513 }; | |
| 514 | |
| 515 class adapterNode : public ProfilerNode { | |
| 516 public: | |
| 517 adapterNode(TickPosition where) : ProfilerNode() { | |
| 518 update(where); | |
| 519 } | |
| 520 bool is_compiled() const { return true; } | |
| 521 | |
| 522 bool adapter_match() const { return true; } | |
| 523 | |
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524 Method* method() { return NULL; } |
| 0 | 525 |
| 526 void oops_do(OopClosure* f) { | |
| 527 ; | |
| 528 } | |
| 529 | |
| 530 void print(outputStream* st, int total_ticks) { | |
| 531 ProfilerNode::print(st, total_ticks); | |
| 532 } | |
| 533 | |
| 534 void print_method_on(outputStream* st) { | |
| 535 st->print("%s", "adapters"); | |
| 536 } | |
| 537 }; | |
| 538 | |
| 539 class runtimeStubNode : public ProfilerNode { | |
| 540 private: | |
| 541 const CodeBlob* _stub; | |
| 542 const char* _symbol; // The name of the nearest VM symbol when ProfileVM is on. Points to a unique string. | |
| 543 public: | |
| 544 runtimeStubNode(const CodeBlob* stub, const char* name, TickPosition where) : ProfilerNode(), _stub(stub), _symbol(name) { | |
| 545 assert(stub->is_runtime_stub(), "wrong code blob"); | |
| 546 update(where); | |
| 547 } | |
| 548 | |
| 549 bool is_runtime_stub() const { return true; } | |
| 550 | |
| 551 bool runtimeStub_match(const CodeBlob* stub, const char* name) const { | |
| 552 assert(stub->is_runtime_stub(), "wrong code blob"); | |
| 553 return ((RuntimeStub*)_stub)->entry_point() == ((RuntimeStub*)stub)->entry_point() && | |
| 554 (_symbol == name); | |
| 555 } | |
| 556 | |
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557 Method* method() { return NULL; } |
| 0 | 558 |
| 559 static void print_title(outputStream* st) { | |
| 560 st->fill_to(col1); | |
| 561 st->print("%11s", "Runtime stub"); | |
| 562 ProfilerNode::print_title(st); | |
| 563 } | |
| 564 | |
| 565 void oops_do(OopClosure* f) { | |
| 566 ; | |
| 567 } | |
| 568 | |
| 569 void print(outputStream* st, int total_ticks) { | |
| 570 ProfilerNode::print(st, total_ticks); | |
| 571 } | |
| 572 | |
| 573 void print_method_on(outputStream* st) { | |
| 574 st->print("%s", ((RuntimeStub*)_stub)->name()); | |
| 575 print_symbol_on(st); | |
| 576 } | |
| 577 | |
| 578 void print_symbol_on(outputStream* st) { | |
| 579 if(_symbol) { | |
| 580 st->print(" (%s)", _symbol); | |
| 581 } | |
| 582 } | |
| 583 }; | |
| 584 | |
| 585 | |
| 586 class unknown_compiledNode : public ProfilerNode { | |
| 587 const char *_name; | |
| 588 public: | |
| 589 unknown_compiledNode(const CodeBlob* cb, TickPosition where) : ProfilerNode() { | |
| 590 if ( cb->is_buffer_blob() ) | |
| 591 _name = ((BufferBlob*)cb)->name(); | |
| 592 else | |
| 593 _name = ((SingletonBlob*)cb)->name(); | |
| 594 update(where); | |
| 595 } | |
| 596 bool is_compiled() const { return true; } | |
| 597 | |
| 598 bool unknown_compiled_match(const CodeBlob* cb) const { | |
| 599 if ( cb->is_buffer_blob() ) | |
| 600 return !strcmp(((BufferBlob*)cb)->name(), _name); | |
| 601 else | |
| 602 return !strcmp(((SingletonBlob*)cb)->name(), _name); | |
| 603 } | |
| 604 | |
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605 Method* method() { return NULL; } |
| 0 | 606 |
| 607 void oops_do(OopClosure* f) { | |
| 608 ; | |
| 609 } | |
| 610 | |
| 611 void print(outputStream* st, int total_ticks) { | |
| 612 ProfilerNode::print(st, total_ticks); | |
| 613 } | |
| 614 | |
| 615 void print_method_on(outputStream* st) { | |
| 616 st->print("%s", _name); | |
| 617 } | |
| 618 }; | |
| 619 | |
| 620 class vmNode : public ProfilerNode { | |
| 621 private: | |
| 622 const char* _name; // "optional" name obtained by os means such as dll lookup | |
| 623 public: | |
| 624 vmNode(const TickPosition where) : ProfilerNode() { | |
| 625 _name = NULL; | |
| 626 update(where); | |
| 627 } | |
| 628 | |
| 629 vmNode(const char* name, const TickPosition where) : ProfilerNode() { | |
| 630 _name = name; | |
| 631 update(where); | |
| 632 } | |
| 633 | |
| 634 const char *name() const { return _name; } | |
| 635 bool is_compiled() const { return true; } | |
| 636 | |
| 637 bool vm_match(const char* name) const { return strcmp(name, _name) == 0; } | |
| 638 | |
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639 Method* method() { return NULL; } |
| 0 | 640 |
| 641 static int hash(const char* name){ | |
| 642 // Compute a simple hash | |
| 643 const char* cp = name; | |
| 644 int h = 0; | |
| 645 | |
| 646 if(name != NULL){ | |
| 647 while(*cp != '\0'){ | |
| 648 h = (h << 1) ^ *cp; | |
| 649 cp++; | |
| 650 } | |
| 651 } | |
| 652 return h; | |
| 653 } | |
| 654 | |
| 655 void oops_do(OopClosure* f) { | |
| 656 ; | |
| 657 } | |
| 658 | |
| 659 void print(outputStream* st, int total_ticks) { | |
| 660 ProfilerNode::print(st, total_ticks); | |
| 661 } | |
| 662 | |
| 663 void print_method_on(outputStream* st) { | |
| 664 if(_name==NULL){ | |
| 665 st->print("%s", "unknown code"); | |
| 666 } | |
| 667 else { | |
| 668 st->print("%s", _name); | |
| 669 } | |
| 670 } | |
| 671 }; | |
| 672 | |
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673 void ThreadProfiler::interpreted_update(Method* method, TickPosition where) { |
| 0 | 674 int index = entry(ProfilerNode::hash(method)); |
| 675 if (!table[index]) { | |
| 676 table[index] = new (this) interpretedNode(method, where); | |
| 677 } else { | |
| 678 ProfilerNode* prev = table[index]; | |
| 679 for(ProfilerNode* node = prev; node; node = node->next()) { | |
| 680 if (node->interpreted_match(method)) { | |
| 681 node->update(where); | |
| 682 return; | |
| 683 } | |
| 684 prev = node; | |
| 685 } | |
| 686 prev->set_next(new (this) interpretedNode(method, where)); | |
| 687 } | |
| 688 } | |
| 689 | |
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690 void ThreadProfiler::compiled_update(Method* method, TickPosition where) { |
| 0 | 691 int index = entry(ProfilerNode::hash(method)); |
| 692 if (!table[index]) { | |
| 693 table[index] = new (this) compiledNode(method, where); | |
| 694 } else { | |
| 695 ProfilerNode* prev = table[index]; | |
| 696 for(ProfilerNode* node = prev; node; node = node->next()) { | |
| 697 if (node->compiled_match(method)) { | |
| 698 node->update(where); | |
| 699 return; | |
| 700 } | |
| 701 prev = node; | |
| 702 } | |
| 703 prev->set_next(new (this) compiledNode(method, where)); | |
| 704 } | |
| 705 } | |
| 706 | |
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707 void ThreadProfiler::stub_update(Method* method, const char* name, TickPosition where) { |
| 0 | 708 int index = entry(ProfilerNode::hash(method)); |
| 709 if (!table[index]) { | |
| 710 table[index] = new (this) stubNode(method, name, where); | |
| 711 } else { | |
| 712 ProfilerNode* prev = table[index]; | |
| 713 for(ProfilerNode* node = prev; node; node = node->next()) { | |
| 714 if (node->stub_match(method, name)) { | |
| 715 node->update(where); | |
| 716 return; | |
| 717 } | |
| 718 prev = node; | |
| 719 } | |
| 720 prev->set_next(new (this) stubNode(method, name, where)); | |
| 721 } | |
| 722 } | |
| 723 | |
| 724 void ThreadProfiler::adapter_update(TickPosition where) { | |
| 725 int index = 0; | |
| 726 if (!table[index]) { | |
| 727 table[index] = new (this) adapterNode(where); | |
| 728 } else { | |
| 729 ProfilerNode* prev = table[index]; | |
| 730 for(ProfilerNode* node = prev; node; node = node->next()) { | |
| 731 if (node->adapter_match()) { | |
| 732 node->update(where); | |
| 733 return; | |
| 734 } | |
| 735 prev = node; | |
| 736 } | |
| 737 prev->set_next(new (this) adapterNode(where)); | |
| 738 } | |
| 739 } | |
| 740 | |
| 741 void ThreadProfiler::runtime_stub_update(const CodeBlob* stub, const char* name, TickPosition where) { | |
| 742 int index = 0; | |
| 743 if (!table[index]) { | |
| 744 table[index] = new (this) runtimeStubNode(stub, name, where); | |
| 745 } else { | |
| 746 ProfilerNode* prev = table[index]; | |
| 747 for(ProfilerNode* node = prev; node; node = node->next()) { | |
| 748 if (node->runtimeStub_match(stub, name)) { | |
| 749 node->update(where); | |
| 750 return; | |
| 751 } | |
| 752 prev = node; | |
| 753 } | |
| 754 prev->set_next(new (this) runtimeStubNode(stub, name, where)); | |
| 755 } | |
| 756 } | |
| 757 | |
| 758 | |
| 759 void ThreadProfiler::unknown_compiled_update(const CodeBlob* cb, TickPosition where) { | |
| 760 int index = 0; | |
| 761 if (!table[index]) { | |
| 762 table[index] = new (this) unknown_compiledNode(cb, where); | |
| 763 } else { | |
| 764 ProfilerNode* prev = table[index]; | |
| 765 for(ProfilerNode* node = prev; node; node = node->next()) { | |
| 766 if (node->unknown_compiled_match(cb)) { | |
| 767 node->update(where); | |
| 768 return; | |
| 769 } | |
| 770 prev = node; | |
| 771 } | |
| 772 prev->set_next(new (this) unknown_compiledNode(cb, where)); | |
| 773 } | |
| 774 } | |
| 775 | |
| 776 void ThreadProfiler::vm_update(TickPosition where) { | |
| 777 vm_update(NULL, where); | |
| 778 } | |
| 779 | |
| 780 void ThreadProfiler::vm_update(const char* name, TickPosition where) { | |
| 781 int index = entry(vmNode::hash(name)); | |
| 782 assert(index >= 0, "Must be positive"); | |
| 783 // Note that we call strdup below since the symbol may be resource allocated | |
| 784 if (!table[index]) { | |
| 785 table[index] = new (this) vmNode(os::strdup(name), where); | |
| 786 } else { | |
| 787 ProfilerNode* prev = table[index]; | |
| 788 for(ProfilerNode* node = prev; node; node = node->next()) { | |
| 789 if (((vmNode *)node)->vm_match(name)) { | |
| 790 node->update(where); | |
| 791 return; | |
| 792 } | |
| 793 prev = node; | |
| 794 } | |
| 795 prev->set_next(new (this) vmNode(os::strdup(name), where)); | |
| 796 } | |
| 797 } | |
| 798 | |
| 799 | |
| 800 class FlatProfilerTask : public PeriodicTask { | |
| 801 public: | |
| 802 FlatProfilerTask(int interval_time) : PeriodicTask(interval_time) {} | |
| 803 void task(); | |
| 804 }; | |
| 805 | |
| 806 void FlatProfiler::record_vm_operation() { | |
| 807 if (Universe::heap()->is_gc_active()) { | |
| 808 FlatProfiler::received_gc_ticks += 1; | |
| 809 return; | |
| 810 } | |
| 811 | |
| 812 if (DeoptimizationMarker::is_active()) { | |
| 813 FlatProfiler::deopt_ticks += 1; | |
| 814 return; | |
| 815 } | |
| 816 | |
| 817 FlatProfiler::vm_operation_ticks += 1; | |
| 818 } | |
| 819 | |
| 820 void FlatProfiler::record_vm_tick() { | |
| 821 // Profile the VM Thread itself if needed | |
| 822 // This is done without getting the Threads_lock and we can go deep | |
| 823 // inside Safepoint, etc. | |
| 824 if( ProfileVM ) { | |
| 825 ResourceMark rm; | |
| 826 ExtendedPC epc; | |
| 827 const char *name = NULL; | |
| 828 char buf[256]; | |
| 829 buf[0] = '\0'; | |
| 830 | |
| 831 vm_thread_profiler->inc_thread_ticks(); | |
| 832 | |
| 833 // Get a snapshot of a current VMThread pc (and leave it running!) | |
| 834 // The call may fail if, for instance the VM thread is interrupted while | |
| 835 // holding the Interrupt_lock or for other reasons. | |
| 836 epc = os::get_thread_pc(VMThread::vm_thread()); | |
| 837 if(epc.pc() != NULL) { | |
| 838 if (os::dll_address_to_function_name(epc.pc(), buf, sizeof(buf), NULL)) { | |
| 839 name = buf; | |
| 840 } | |
| 841 } | |
| 842 if (name != NULL) { | |
| 843 vm_thread_profiler->vm_update(name, tp_native); | |
| 844 } | |
| 845 } | |
| 846 } | |
| 847 | |
| 848 void FlatProfiler::record_thread_ticks() { | |
| 849 | |
| 850 int maxthreads, suspendedthreadcount; | |
| 851 JavaThread** threadsList; | |
| 852 bool interval_expired = false; | |
| 853 | |
| 854 if (ProfileIntervals && | |
| 855 (FlatProfiler::received_ticks >= interval_ticks_previous + ProfileIntervalsTicks)) { | |
| 856 interval_expired = true; | |
| 857 interval_ticks_previous = FlatProfiler::received_ticks; | |
| 858 } | |
| 859 | |
| 860 // Try not to wait for the Threads_lock | |
| 861 if (Threads_lock->try_lock()) { | |
| 862 { // Threads_lock scope | |
| 863 maxthreads = Threads::number_of_threads(); | |
| 6197 | 864 threadsList = NEW_C_HEAP_ARRAY(JavaThread *, maxthreads, mtInternal); |
| 0 | 865 suspendedthreadcount = 0; |
| 866 for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) { | |
| 867 if (tp->is_Compiler_thread()) { | |
| 868 // Only record ticks for active compiler threads | |
| 869 CompilerThread* cthread = (CompilerThread*)tp; | |
| 870 if (cthread->task() != NULL) { | |
| 871 // The compiler is active. If we need to access any of the fields | |
| 872 // of the compiler task we should suspend the CompilerThread first. | |
| 873 FlatProfiler::compiler_ticks += 1; | |
| 874 continue; | |
| 875 } | |
| 876 } | |
| 877 | |
| 878 // First externally suspend all threads by marking each for | |
| 879 // external suspension - so it will stop at its next transition | |
| 880 // Then do a safepoint | |
| 881 ThreadProfiler* pp = tp->get_thread_profiler(); | |
| 882 if (pp != NULL && pp->engaged) { | |
| 883 MutexLockerEx ml(tp->SR_lock(), Mutex::_no_safepoint_check_flag); | |
| 884 if (!tp->is_external_suspend() && !tp->is_exiting()) { | |
| 885 tp->set_external_suspend(); | |
| 886 threadsList[suspendedthreadcount++] = tp; | |
| 887 } | |
| 888 } | |
| 889 } | |
| 890 Threads_lock->unlock(); | |
| 891 } | |
| 892 // Suspend each thread. This call should just return | |
| 893 // for any threads that have already self-suspended | |
| 894 // Net result should be one safepoint | |
| 895 for (int j = 0; j < suspendedthreadcount; j++) { | |
| 896 JavaThread *tp = threadsList[j]; | |
| 897 if (tp) { | |
| 898 tp->java_suspend(); | |
| 899 } | |
| 900 } | |
| 901 | |
| 902 // We are responsible for resuming any thread on this list | |
| 903 for (int i = 0; i < suspendedthreadcount; i++) { | |
| 904 JavaThread *tp = threadsList[i]; | |
| 905 if (tp) { | |
| 906 ThreadProfiler* pp = tp->get_thread_profiler(); | |
| 907 if (pp != NULL && pp->engaged) { | |
| 908 HandleMark hm; | |
| 909 FlatProfiler::delivered_ticks += 1; | |
| 910 if (interval_expired) { | |
| 911 FlatProfiler::interval_record_thread(pp); | |
| 912 } | |
| 913 // This is the place where we check to see if a user thread is | |
| 914 // blocked waiting for compilation. | |
| 915 if (tp->blocked_on_compilation()) { | |
| 916 pp->compiler_ticks += 1; | |
| 917 pp->interval_data_ref()->inc_compiling(); | |
| 918 } else { | |
| 919 pp->record_tick(tp); | |
| 920 } | |
| 921 } | |
| 922 MutexLocker ml(Threads_lock); | |
| 923 tp->java_resume(); | |
| 924 } | |
| 925 } | |
| 926 if (interval_expired) { | |
| 927 FlatProfiler::interval_print(); | |
| 928 FlatProfiler::interval_reset(); | |
| 929 } | |
| 12148 | 930 |
| 931 FREE_C_HEAP_ARRAY(JavaThread *, threadsList, mtInternal); | |
| 0 | 932 } else { |
| 933 // Couldn't get the threads lock, just record that rather than blocking | |
| 934 FlatProfiler::threads_lock_ticks += 1; | |
| 935 } | |
| 936 | |
| 937 } | |
| 938 | |
| 939 void FlatProfilerTask::task() { | |
| 940 FlatProfiler::received_ticks += 1; | |
| 941 | |
| 942 if (ProfileVM) { | |
| 943 FlatProfiler::record_vm_tick(); | |
| 944 } | |
| 945 | |
| 946 VM_Operation* op = VMThread::vm_operation(); | |
| 947 if (op != NULL) { | |
| 948 FlatProfiler::record_vm_operation(); | |
| 949 if (SafepointSynchronize::is_at_safepoint()) { | |
| 950 return; | |
| 951 } | |
| 952 } | |
| 953 FlatProfiler::record_thread_ticks(); | |
| 954 } | |
| 955 | |
|
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956 void ThreadProfiler::record_interpreted_tick(JavaThread* thread, frame fr, TickPosition where, int* ticks) { |
| 0 | 957 FlatProfiler::all_int_ticks++; |
| 958 if (!FlatProfiler::full_profile()) { | |
| 959 return; | |
| 960 } | |
| 961 | |
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962 if (!fr.is_interpreted_frame_valid(thread)) { |
| 0 | 963 // tick came at a bad time |
| 964 interpreter_ticks += 1; | |
| 965 FlatProfiler::interpreter_ticks += 1; | |
| 966 return; | |
| 967 } | |
| 968 | |
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969 // The frame has been fully validated so we can trust the method and bci |
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970 |
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971 Method* method = *fr.interpreter_frame_method_addr(); |
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972 |
| 0 | 973 interpreted_update(method, where); |
| 974 | |
| 975 // update byte code table | |
| 976 InterpreterCodelet* desc = Interpreter::codelet_containing(fr.pc()); | |
| 977 if (desc != NULL && desc->bytecode() >= 0) { | |
| 978 ticks[desc->bytecode()]++; | |
| 979 } | |
| 980 } | |
| 981 | |
| 982 void ThreadProfiler::record_compiled_tick(JavaThread* thread, frame fr, TickPosition where) { | |
| 983 const char *name = NULL; | |
| 984 TickPosition localwhere = where; | |
| 985 | |
| 986 FlatProfiler::all_comp_ticks++; | |
| 987 if (!FlatProfiler::full_profile()) return; | |
| 988 | |
| 989 CodeBlob* cb = fr.cb(); | |
| 990 | |
| 991 // For runtime stubs, record as native rather than as compiled | |
| 992 if (cb->is_runtime_stub()) { | |
| 993 RegisterMap map(thread, false); | |
| 994 fr = fr.sender(&map); | |
| 995 cb = fr.cb(); | |
| 996 localwhere = tp_native; | |
| 997 } | |
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998 Method* method = (cb->is_nmethod()) ? ((nmethod *)cb)->method() : |
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999 (Method*)NULL; |
| 0 | 1000 |
| 1001 if (method == NULL) { | |
| 1002 if (cb->is_runtime_stub()) | |
| 1003 runtime_stub_update(cb, name, localwhere); | |
| 1004 else | |
| 1005 unknown_compiled_update(cb, localwhere); | |
| 1006 } | |
| 1007 else { | |
| 1008 if (method->is_native()) { | |
| 1009 stub_update(method, name, localwhere); | |
| 1010 } else { | |
| 1011 compiled_update(method, localwhere); | |
| 1012 } | |
| 1013 } | |
| 1014 } | |
| 1015 | |
| 1016 extern "C" void find(int x); | |
| 1017 | |
| 1018 | |
| 1019 void ThreadProfiler::record_tick_for_running_frame(JavaThread* thread, frame fr) { | |
| 605 | 1020 // The tick happened in real code -> non VM code |
| 0 | 1021 if (fr.is_interpreted_frame()) { |
| 1022 interval_data_ref()->inc_interpreted(); | |
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1023 record_interpreted_tick(thread, fr, tp_code, FlatProfiler::bytecode_ticks); |
| 0 | 1024 return; |
| 1025 } | |
| 1026 | |
| 1027 if (CodeCache::contains(fr.pc())) { | |
| 1028 interval_data_ref()->inc_compiled(); | |
| 1029 PCRecorder::record(fr.pc()); | |
| 1030 record_compiled_tick(thread, fr, tp_code); | |
| 1031 return; | |
| 1032 } | |
| 1033 | |
| 1034 if (VtableStubs::stub_containing(fr.pc()) != NULL) { | |
| 1035 unknown_ticks_array[ut_vtable_stubs] += 1; | |
| 1036 return; | |
| 1037 } | |
| 1038 | |
| 1039 frame caller = fr.profile_find_Java_sender_frame(thread); | |
| 1040 | |
| 1041 if (caller.sp() != NULL && caller.pc() != NULL) { | |
| 1042 record_tick_for_calling_frame(thread, caller); | |
| 1043 return; | |
| 1044 } | |
| 1045 | |
| 1046 unknown_ticks_array[ut_running_frame] += 1; | |
| 1047 FlatProfiler::unknown_ticks += 1; | |
| 1048 } | |
| 1049 | |
| 1050 void ThreadProfiler::record_tick_for_calling_frame(JavaThread* thread, frame fr) { | |
| 605 | 1051 // The tick happened in VM code |
| 0 | 1052 interval_data_ref()->inc_native(); |
| 1053 if (fr.is_interpreted_frame()) { | |
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1054 record_interpreted_tick(thread, fr, tp_native, FlatProfiler::bytecode_ticks_stub); |
| 0 | 1055 return; |
| 1056 } | |
| 1057 if (CodeCache::contains(fr.pc())) { | |
| 1058 record_compiled_tick(thread, fr, tp_native); | |
| 1059 return; | |
| 1060 } | |
| 1061 | |
| 1062 frame caller = fr.profile_find_Java_sender_frame(thread); | |
| 1063 | |
| 1064 if (caller.sp() != NULL && caller.pc() != NULL) { | |
| 1065 record_tick_for_calling_frame(thread, caller); | |
| 1066 return; | |
| 1067 } | |
| 1068 | |
| 1069 unknown_ticks_array[ut_calling_frame] += 1; | |
| 1070 FlatProfiler::unknown_ticks += 1; | |
| 1071 } | |
| 1072 | |
| 1073 void ThreadProfiler::record_tick(JavaThread* thread) { | |
| 1074 FlatProfiler::all_ticks++; | |
| 1075 thread_ticks += 1; | |
| 1076 | |
| 1077 // Here's another way to track global state changes. | |
| 1078 // When the class loader starts it marks the ThreadProfiler to tell it it is in the class loader | |
| 1079 // and we check that here. | |
| 1080 // This is more direct, and more than one thread can be in the class loader at a time, | |
| 1081 // but it does mean the class loader has to know about the profiler. | |
| 1082 if (region_flag[ThreadProfilerMark::classLoaderRegion]) { | |
| 1083 class_loader_ticks += 1; | |
| 1084 FlatProfiler::class_loader_ticks += 1; | |
| 1085 return; | |
| 1086 } else if (region_flag[ThreadProfilerMark::extraRegion]) { | |
| 1087 extra_ticks += 1; | |
| 1088 FlatProfiler::extra_ticks += 1; | |
| 1089 return; | |
| 1090 } | |
| 1091 // Note that the WatcherThread can now stop for safepoints | |
| 1092 uint32_t debug_bits = 0; | |
| 1093 if (!thread->wait_for_ext_suspend_completion(SuspendRetryCount, | |
| 1094 SuspendRetryDelay, &debug_bits)) { | |
| 1095 unknown_ticks_array[ut_unknown_thread_state] += 1; | |
| 1096 FlatProfiler::unknown_ticks += 1; | |
| 1097 return; | |
| 1098 } | |
| 1099 | |
| 1100 frame fr; | |
| 1101 | |
| 1102 switch (thread->thread_state()) { | |
| 1103 case _thread_in_native: | |
| 1104 case _thread_in_native_trans: | |
| 1105 case _thread_in_vm: | |
| 1106 case _thread_in_vm_trans: | |
| 1107 if (thread->profile_last_Java_frame(&fr)) { | |
| 1108 if (fr.is_runtime_frame()) { | |
| 1109 RegisterMap map(thread, false); | |
| 1110 fr = fr.sender(&map); | |
| 1111 } | |
| 1112 record_tick_for_calling_frame(thread, fr); | |
| 1113 } else { | |
| 1114 unknown_ticks_array[ut_no_last_Java_frame] += 1; | |
| 1115 FlatProfiler::unknown_ticks += 1; | |
| 1116 } | |
| 1117 break; | |
| 1118 // handle_special_runtime_exit_condition self-suspends threads in Java | |
| 1119 case _thread_in_Java: | |
| 1120 case _thread_in_Java_trans: | |
| 1121 if (thread->profile_last_Java_frame(&fr)) { | |
| 1122 if (fr.is_safepoint_blob_frame()) { | |
| 1123 RegisterMap map(thread, false); | |
| 1124 fr = fr.sender(&map); | |
| 1125 } | |
| 1126 record_tick_for_running_frame(thread, fr); | |
| 1127 } else { | |
| 1128 unknown_ticks_array[ut_no_last_Java_frame] += 1; | |
| 1129 FlatProfiler::unknown_ticks += 1; | |
| 1130 } | |
| 1131 break; | |
| 1132 case _thread_blocked: | |
| 1133 case _thread_blocked_trans: | |
| 1134 if (thread->osthread() && thread->osthread()->get_state() == RUNNABLE) { | |
| 1135 if (thread->profile_last_Java_frame(&fr)) { | |
| 1136 if (fr.is_safepoint_blob_frame()) { | |
| 1137 RegisterMap map(thread, false); | |
| 1138 fr = fr.sender(&map); | |
| 1139 record_tick_for_running_frame(thread, fr); | |
| 1140 } else { | |
| 1141 record_tick_for_calling_frame(thread, fr); | |
| 1142 } | |
| 1143 } else { | |
| 1144 unknown_ticks_array[ut_no_last_Java_frame] += 1; | |
| 1145 FlatProfiler::unknown_ticks += 1; | |
| 1146 } | |
| 1147 } else { | |
| 1148 blocked_ticks += 1; | |
| 1149 FlatProfiler::blocked_ticks += 1; | |
| 1150 } | |
| 1151 break; | |
| 1152 case _thread_uninitialized: | |
| 1153 case _thread_new: | |
| 1154 // not used, included for completeness | |
| 1155 case _thread_new_trans: | |
| 1156 unknown_ticks_array[ut_no_last_Java_frame] += 1; | |
| 1157 FlatProfiler::unknown_ticks += 1; | |
| 1158 break; | |
| 1159 default: | |
| 1160 unknown_ticks_array[ut_unknown_thread_state] += 1; | |
| 1161 FlatProfiler::unknown_ticks += 1; | |
| 1162 break; | |
| 1163 } | |
| 1164 return; | |
| 1165 } | |
| 1166 | |
| 1167 void ThreadProfiler::engage() { | |
| 1168 engaged = true; | |
| 1169 timer.start(); | |
| 1170 } | |
| 1171 | |
| 1172 void ThreadProfiler::disengage() { | |
| 1173 engaged = false; | |
| 1174 timer.stop(); | |
| 1175 } | |
| 1176 | |
| 1177 void ThreadProfiler::initialize() { | |
| 1178 for (int index = 0; index < table_size; index++) { | |
| 1179 table[index] = NULL; | |
| 1180 } | |
| 1181 thread_ticks = 0; | |
| 1182 blocked_ticks = 0; | |
| 1183 compiler_ticks = 0; | |
| 1184 interpreter_ticks = 0; | |
| 1185 for (int ut = 0; ut < ut_end; ut += 1) { | |
| 1186 unknown_ticks_array[ut] = 0; | |
| 1187 } | |
| 1188 region_flag[ThreadProfilerMark::classLoaderRegion] = false; | |
| 1189 class_loader_ticks = 0; | |
| 1190 region_flag[ThreadProfilerMark::extraRegion] = false; | |
| 1191 extra_ticks = 0; | |
| 1192 timer.start(); | |
| 1193 interval_data_ref()->reset(); | |
| 1194 } | |
| 1195 | |
| 1196 void ThreadProfiler::reset() { | |
| 1197 timer.stop(); | |
| 1198 if (table != NULL) { | |
| 1199 for (int index = 0; index < table_size; index++) { | |
| 1200 ProfilerNode* n = table[index]; | |
| 1201 if (n != NULL) { | |
| 1202 delete n; | |
| 1203 } | |
| 1204 } | |
| 1205 } | |
| 1206 initialize(); | |
| 1207 } | |
| 1208 | |
| 1209 void FlatProfiler::allocate_table() { | |
| 1210 { // Bytecode table | |
| 6197 | 1211 bytecode_ticks = NEW_C_HEAP_ARRAY(int, Bytecodes::number_of_codes, mtInternal); |
| 1212 bytecode_ticks_stub = NEW_C_HEAP_ARRAY(int, Bytecodes::number_of_codes, mtInternal); | |
| 0 | 1213 for(int index = 0; index < Bytecodes::number_of_codes; index++) { |
| 1214 bytecode_ticks[index] = 0; | |
| 1215 bytecode_ticks_stub[index] = 0; | |
| 1216 } | |
| 1217 } | |
| 1218 | |
| 1219 if (ProfilerRecordPC) PCRecorder::init(); | |
| 1220 | |
| 6197 | 1221 interval_data = NEW_C_HEAP_ARRAY(IntervalData, interval_print_size, mtInternal); |
| 0 | 1222 FlatProfiler::interval_reset(); |
| 1223 } | |
| 1224 | |
| 1225 void FlatProfiler::engage(JavaThread* mainThread, bool fullProfile) { | |
| 1226 full_profile_flag = fullProfile; | |
| 1227 if (bytecode_ticks == NULL) { | |
| 1228 allocate_table(); | |
| 1229 } | |
| 1230 if(ProfileVM && (vm_thread_profiler == NULL)){ | |
| 1231 vm_thread_profiler = new ThreadProfiler(); | |
| 1232 } | |
| 1233 if (task == NULL) { | |
| 1234 task = new FlatProfilerTask(WatcherThread::delay_interval); | |
| 1235 task->enroll(); | |
| 1236 } | |
| 1237 timer.start(); | |
| 1238 if (mainThread != NULL) { | |
| 1239 // When mainThread was created, it might not have a ThreadProfiler | |
| 1240 ThreadProfiler* pp = mainThread->get_thread_profiler(); | |
| 1241 if (pp == NULL) { | |
| 1242 mainThread->set_thread_profiler(new ThreadProfiler()); | |
| 1243 } else { | |
| 1244 pp->reset(); | |
| 1245 } | |
| 1246 mainThread->get_thread_profiler()->engage(); | |
| 1247 } | |
| 1248 // This is where we would assign thread_profiler | |
| 1249 // if we wanted only one thread_profiler for all threads. | |
| 1250 thread_profiler = NULL; | |
| 1251 } | |
| 1252 | |
| 1253 void FlatProfiler::disengage() { | |
| 1254 if (!task) { | |
| 1255 return; | |
| 1256 } | |
| 1257 timer.stop(); | |
| 1258 task->disenroll(); | |
| 1259 delete task; | |
| 1260 task = NULL; | |
| 1261 if (thread_profiler != NULL) { | |
| 1262 thread_profiler->disengage(); | |
| 1263 } else { | |
| 1264 MutexLocker tl(Threads_lock); | |
| 1265 for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) { | |
| 1266 ThreadProfiler* pp = tp->get_thread_profiler(); | |
| 1267 if (pp != NULL) { | |
| 1268 pp->disengage(); | |
| 1269 } | |
| 1270 } | |
| 1271 } | |
| 1272 } | |
| 1273 | |
| 1274 void FlatProfiler::reset() { | |
| 1275 if (task) { | |
| 1276 disengage(); | |
| 1277 } | |
| 1278 | |
| 1279 class_loader_ticks = 0; | |
| 1280 extra_ticks = 0; | |
| 1281 received_gc_ticks = 0; | |
| 1282 vm_operation_ticks = 0; | |
| 1283 compiler_ticks = 0; | |
| 1284 deopt_ticks = 0; | |
| 1285 interpreter_ticks = 0; | |
| 1286 blocked_ticks = 0; | |
| 1287 unknown_ticks = 0; | |
| 1288 received_ticks = 0; | |
| 1289 delivered_ticks = 0; | |
| 1290 timer.stop(); | |
| 1291 } | |
| 1292 | |
| 1293 bool FlatProfiler::is_active() { | |
| 1294 return task != NULL; | |
| 1295 } | |
| 1296 | |
| 1297 void FlatProfiler::print_byte_code_statistics() { | |
| 1298 GrowableArray <ProfilerNode*>* array = new GrowableArray<ProfilerNode*>(200); | |
| 1299 | |
| 1300 tty->print_cr(" Bytecode ticks:"); | |
| 1301 for (int index = 0; index < Bytecodes::number_of_codes; index++) { | |
| 1302 if (FlatProfiler::bytecode_ticks[index] > 0 || FlatProfiler::bytecode_ticks_stub[index] > 0) { | |
| 1303 tty->print_cr(" %4d %4d = %s", | |
| 1304 FlatProfiler::bytecode_ticks[index], | |
| 1305 FlatProfiler::bytecode_ticks_stub[index], | |
| 1306 Bytecodes::name( (Bytecodes::Code) index)); | |
| 1307 } | |
| 1308 } | |
| 1309 tty->cr(); | |
| 1310 } | |
| 1311 | |
| 1312 void print_ticks(const char* title, int ticks, int total) { | |
| 1313 if (ticks > 0) { | |
| 1314 tty->print("%5.1f%% %5d", ticks * 100.0 / total, ticks); | |
| 1315 tty->fill_to(col3); | |
| 1316 tty->print("%s", title); | |
| 1317 tty->cr(); | |
| 1318 } | |
| 1319 } | |
| 1320 | |
| 1321 void ThreadProfiler::print(const char* thread_name) { | |
| 1322 ResourceMark rm; | |
| 1323 MutexLocker ppl(ProfilePrint_lock); | |
| 1324 int index = 0; // Declared outside for loops for portability | |
| 1325 | |
| 1326 if (table == NULL) { | |
| 1327 return; | |
| 1328 } | |
| 1329 | |
| 1330 if (thread_ticks <= 0) { | |
| 1331 return; | |
| 1332 } | |
| 1333 | |
| 1334 const char* title = "too soon to tell"; | |
| 1335 double secs = timer.seconds(); | |
| 1336 | |
| 1337 GrowableArray <ProfilerNode*>* array = new GrowableArray<ProfilerNode*>(200); | |
| 1338 for(index = 0; index < table_size; index++) { | |
| 1339 for(ProfilerNode* node = table[index]; node; node = node->next()) | |
| 1340 array->append(node); | |
| 1341 } | |
| 1342 | |
| 1343 array->sort(&ProfilerNode::compare); | |
| 1344 | |
| 1345 // compute total (sanity check) | |
| 1346 int active = | |
| 1347 class_loader_ticks + | |
| 1348 compiler_ticks + | |
| 1349 interpreter_ticks + | |
| 1350 unknown_ticks(); | |
| 1351 for (index = 0; index < array->length(); index++) { | |
| 1352 active += array->at(index)->ticks.total(); | |
| 1353 } | |
| 1354 int total = active + blocked_ticks; | |
| 1355 | |
| 1356 tty->cr(); | |
| 1357 tty->print_cr("Flat profile of %3.2f secs (%d total ticks): %s", secs, total, thread_name); | |
| 1358 if (total != thread_ticks) { | |
| 1359 print_ticks("Lost ticks", thread_ticks-total, thread_ticks); | |
| 1360 } | |
| 1361 tty->cr(); | |
| 1362 | |
| 1363 // print interpreted methods | |
| 1364 tick_counter interpreted_ticks; | |
| 1365 bool has_interpreted_ticks = false; | |
| 1366 int print_count = 0; | |
| 1367 for (index = 0; index < array->length(); index++) { | |
| 1368 ProfilerNode* n = array->at(index); | |
| 1369 if (n->is_interpreted()) { | |
| 1370 interpreted_ticks.add(&n->ticks); | |
| 1371 if (!has_interpreted_ticks) { | |
| 1372 interpretedNode::print_title(tty); | |
| 1373 has_interpreted_ticks = true; | |
| 1374 } | |
| 1375 if (print_count++ < ProfilerNumberOfInterpretedMethods) { | |
| 1376 n->print(tty, active); | |
| 1377 } | |
| 1378 } | |
| 1379 } | |
| 1380 if (has_interpreted_ticks) { | |
| 1381 if (print_count <= ProfilerNumberOfInterpretedMethods) { | |
| 1382 title = "Total interpreted"; | |
| 1383 } else { | |
| 1384 title = "Total interpreted (including elided)"; | |
| 1385 } | |
| 1386 interpretedNode::print_total(tty, &interpreted_ticks, active, title); | |
| 1387 tty->cr(); | |
| 1388 } | |
| 1389 | |
| 1390 // print compiled methods | |
| 1391 tick_counter compiled_ticks; | |
| 1392 bool has_compiled_ticks = false; | |
| 1393 print_count = 0; | |
| 1394 for (index = 0; index < array->length(); index++) { | |
| 1395 ProfilerNode* n = array->at(index); | |
| 1396 if (n->is_compiled()) { | |
| 1397 compiled_ticks.add(&n->ticks); | |
| 1398 if (!has_compiled_ticks) { | |
| 1399 compiledNode::print_title(tty); | |
| 1400 has_compiled_ticks = true; | |
| 1401 } | |
| 1402 if (print_count++ < ProfilerNumberOfCompiledMethods) { | |
| 1403 n->print(tty, active); | |
| 1404 } | |
| 1405 } | |
| 1406 } | |
| 1407 if (has_compiled_ticks) { | |
| 1408 if (print_count <= ProfilerNumberOfCompiledMethods) { | |
| 1409 title = "Total compiled"; | |
| 1410 } else { | |
| 1411 title = "Total compiled (including elided)"; | |
| 1412 } | |
| 1413 compiledNode::print_total(tty, &compiled_ticks, active, title); | |
| 1414 tty->cr(); | |
| 1415 } | |
| 1416 | |
| 1417 // print stub methods | |
| 1418 tick_counter stub_ticks; | |
| 1419 bool has_stub_ticks = false; | |
| 1420 print_count = 0; | |
| 1421 for (index = 0; index < array->length(); index++) { | |
| 1422 ProfilerNode* n = array->at(index); | |
| 1423 if (n->is_stub()) { | |
| 1424 stub_ticks.add(&n->ticks); | |
| 1425 if (!has_stub_ticks) { | |
| 1426 stubNode::print_title(tty); | |
| 1427 has_stub_ticks = true; | |
| 1428 } | |
| 1429 if (print_count++ < ProfilerNumberOfStubMethods) { | |
| 1430 n->print(tty, active); | |
| 1431 } | |
| 1432 } | |
| 1433 } | |
| 1434 if (has_stub_ticks) { | |
| 1435 if (print_count <= ProfilerNumberOfStubMethods) { | |
| 1436 title = "Total stub"; | |
| 1437 } else { | |
| 1438 title = "Total stub (including elided)"; | |
| 1439 } | |
| 1440 stubNode::print_total(tty, &stub_ticks, active, title); | |
| 1441 tty->cr(); | |
| 1442 } | |
| 1443 | |
| 1444 // print runtime stubs | |
| 1445 tick_counter runtime_stub_ticks; | |
| 1446 bool has_runtime_stub_ticks = false; | |
| 1447 print_count = 0; | |
| 1448 for (index = 0; index < array->length(); index++) { | |
| 1449 ProfilerNode* n = array->at(index); | |
| 1450 if (n->is_runtime_stub()) { | |
| 1451 runtime_stub_ticks.add(&n->ticks); | |
| 1452 if (!has_runtime_stub_ticks) { | |
| 1453 runtimeStubNode::print_title(tty); | |
| 1454 has_runtime_stub_ticks = true; | |
| 1455 } | |
| 1456 if (print_count++ < ProfilerNumberOfRuntimeStubNodes) { | |
| 1457 n->print(tty, active); | |
| 1458 } | |
| 1459 } | |
| 1460 } | |
| 1461 if (has_runtime_stub_ticks) { | |
| 1462 if (print_count <= ProfilerNumberOfRuntimeStubNodes) { | |
| 1463 title = "Total runtime stubs"; | |
| 1464 } else { | |
| 1465 title = "Total runtime stubs (including elided)"; | |
| 1466 } | |
| 1467 runtimeStubNode::print_total(tty, &runtime_stub_ticks, active, title); | |
| 1468 tty->cr(); | |
| 1469 } | |
| 1470 | |
| 1471 if (blocked_ticks + class_loader_ticks + interpreter_ticks + compiler_ticks + unknown_ticks() != 0) { | |
| 1472 tty->fill_to(col1); | |
| 1473 tty->print_cr("Thread-local ticks:"); | |
| 1474 print_ticks("Blocked (of total)", blocked_ticks, total); | |
| 1475 print_ticks("Class loader", class_loader_ticks, active); | |
| 1476 print_ticks("Extra", extra_ticks, active); | |
| 1477 print_ticks("Interpreter", interpreter_ticks, active); | |
| 1478 print_ticks("Compilation", compiler_ticks, active); | |
| 1479 print_ticks("Unknown: vtable stubs", unknown_ticks_array[ut_vtable_stubs], active); | |
| 1480 print_ticks("Unknown: null method", unknown_ticks_array[ut_null_method], active); | |
| 1481 print_ticks("Unknown: running frame", unknown_ticks_array[ut_running_frame], active); | |
| 1482 print_ticks("Unknown: calling frame", unknown_ticks_array[ut_calling_frame], active); | |
| 1483 print_ticks("Unknown: no pc", unknown_ticks_array[ut_no_pc], active); | |
| 1484 print_ticks("Unknown: no last frame", unknown_ticks_array[ut_no_last_Java_frame], active); | |
| 1485 print_ticks("Unknown: thread_state", unknown_ticks_array[ut_unknown_thread_state], active); | |
| 1486 tty->cr(); | |
| 1487 } | |
| 1488 | |
| 1489 if (WizardMode) { | |
| 1490 tty->print_cr("Node area used: %dKb", (area_top - area_bottom) / 1024); | |
| 1491 } | |
| 1492 reset(); | |
| 1493 } | |
| 1494 | |
| 1495 /* | |
| 1496 ThreadProfiler::print_unknown(){ | |
| 1497 if (table == NULL) { | |
| 1498 return; | |
| 1499 } | |
| 1500 | |
| 1501 if (thread_ticks <= 0) { | |
| 1502 return; | |
| 1503 } | |
| 1504 } */ | |
| 1505 | |
| 1506 void FlatProfiler::print(int unused) { | |
| 1507 ResourceMark rm; | |
| 1508 if (thread_profiler != NULL) { | |
| 1509 thread_profiler->print("All threads"); | |
| 1510 } else { | |
| 1511 MutexLocker tl(Threads_lock); | |
| 1512 for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) { | |
| 1513 ThreadProfiler* pp = tp->get_thread_profiler(); | |
| 1514 if (pp != NULL) { | |
| 1515 pp->print(tp->get_thread_name()); | |
| 1516 } | |
| 1517 } | |
| 1518 } | |
| 1519 | |
| 1520 if (ProfilerPrintByteCodeStatistics) { | |
| 1521 print_byte_code_statistics(); | |
| 1522 } | |
| 1523 | |
| 1524 if (non_method_ticks() > 0) { | |
| 1525 tty->cr(); | |
| 1526 tty->print_cr("Global summary of %3.2f seconds:", timer.seconds()); | |
| 1527 print_ticks("Received ticks", received_ticks, received_ticks); | |
| 1528 print_ticks("Received GC ticks", received_gc_ticks, received_ticks); | |
| 1529 print_ticks("Compilation", compiler_ticks, received_ticks); | |
| 1530 print_ticks("Deoptimization", deopt_ticks, received_ticks); | |
| 1531 print_ticks("Other VM operations", vm_operation_ticks, received_ticks); | |
| 1532 #ifndef PRODUCT | |
| 1533 print_ticks("Blocked ticks", blocked_ticks, received_ticks); | |
| 1534 print_ticks("Threads_lock blocks", threads_lock_ticks, received_ticks); | |
| 1535 print_ticks("Delivered ticks", delivered_ticks, received_ticks); | |
| 1536 print_ticks("All ticks", all_ticks, received_ticks); | |
| 1537 #endif | |
| 1538 print_ticks("Class loader", class_loader_ticks, received_ticks); | |
| 1539 print_ticks("Extra ", extra_ticks, received_ticks); | |
| 1540 print_ticks("Interpreter", interpreter_ticks, received_ticks); | |
| 1541 print_ticks("Unknown code", unknown_ticks, received_ticks); | |
| 1542 } | |
| 1543 | |
| 1544 PCRecorder::print(); | |
| 1545 | |
| 1546 if(ProfileVM){ | |
| 1547 tty->cr(); | |
| 1548 vm_thread_profiler->print("VM Thread"); | |
| 1549 } | |
| 1550 } | |
| 1551 | |
| 1552 void IntervalData::print_header(outputStream* st) { | |
| 1553 st->print("i/c/n/g"); | |
| 1554 } | |
| 1555 | |
| 1556 void IntervalData::print_data(outputStream* st) { | |
| 1557 st->print("%d/%d/%d/%d", interpreted(), compiled(), native(), compiling()); | |
| 1558 } | |
| 1559 | |
| 1560 void FlatProfiler::interval_record_thread(ThreadProfiler* tp) { | |
| 1561 IntervalData id = tp->interval_data(); | |
| 1562 int total = id.total(); | |
| 1563 tp->interval_data_ref()->reset(); | |
| 1564 | |
| 1565 // Insertion sort the data, if it's relevant. | |
| 1566 for (int i = 0; i < interval_print_size; i += 1) { | |
| 1567 if (total > interval_data[i].total()) { | |
| 1568 for (int j = interval_print_size - 1; j > i; j -= 1) { | |
| 1569 interval_data[j] = interval_data[j-1]; | |
| 1570 } | |
| 1571 interval_data[i] = id; | |
| 1572 break; | |
| 1573 } | |
| 1574 } | |
| 1575 } | |
| 1576 | |
| 1577 void FlatProfiler::interval_print() { | |
| 1578 if ((interval_data[0].total() > 0)) { | |
| 1579 tty->stamp(); | |
| 1580 tty->print("\t"); | |
| 1581 IntervalData::print_header(tty); | |
| 1582 for (int i = 0; i < interval_print_size; i += 1) { | |
| 1583 if (interval_data[i].total() > 0) { | |
| 1584 tty->print("\t"); | |
| 1585 interval_data[i].print_data(tty); | |
| 1586 } | |
| 1587 } | |
| 1588 tty->cr(); | |
| 1589 } | |
| 1590 } | |
| 1591 | |
| 1592 void FlatProfiler::interval_reset() { | |
| 1593 for (int i = 0; i < interval_print_size; i += 1) { | |
| 1594 interval_data[i].reset(); | |
| 1595 } | |
| 1596 } | |
| 1597 | |
| 1598 void ThreadProfiler::oops_do(OopClosure* f) { | |
| 1599 if (table == NULL) return; | |
| 1600 | |
| 1601 for(int index = 0; index < table_size; index++) { | |
| 1602 for(ProfilerNode* node = table[index]; node; node = node->next()) | |
| 1603 node->oops_do(f); | |
| 1604 } | |
| 1605 } | |
| 1606 | |
| 1607 void FlatProfiler::oops_do(OopClosure* f) { | |
| 1608 if (thread_profiler != NULL) { | |
| 1609 thread_profiler->oops_do(f); | |
| 1610 } else { | |
| 1611 for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) { | |
| 1612 ThreadProfiler* pp = tp->get_thread_profiler(); | |
| 1613 if (pp != NULL) { | |
| 1614 pp->oops_do(f); | |
| 1615 } | |
| 1616 } | |
| 1617 } | |
| 1618 } |