Mercurial > hg > truffle

comparison src/share/vm/runtime/deoptimization.cpp @ 4668:3dbcd1013cc8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
added flag PrintDeoptimizationDetails changes so that TraceDeoptimization only prints basic information added nicer formatting for printing interpreter stack frames
author Christian Haeubl <christian.haeubl@oracle.com>
date Tue, 21 Feb 2012 16:05:46 -0800
parents 9ae5048b9153
children e1c053324210
comparison
equal deleted inserted replaced
4667:35b2cae45dc5 4668:3dbcd1013cc8
174 // Note: there is a safepoint safety issue here. No matter whether we enter 174 // Note: there is a safepoint safety issue here. No matter whether we enter
175 // via vanilla deopt or uncommon trap we MUST NOT stop at a safepoint once 175 // via vanilla deopt or uncommon trap we MUST NOT stop at a safepoint once
176 // the vframeArray is created. 176 // the vframeArray is created.
177 // 177 //
178 178
179 if (TraceDeoptimization) { 179 if (PrintDeoptimizationDetails) {
180 tty->print_cr("fetching unroll info"); 180 tty->print_cr("fetching unroll info");
181 } 181 }
182 182
183 // Allocate our special deoptimization ResourceMark 183 // Allocate our special deoptimization ResourceMark
184 DeoptResourceMark* dmark = new DeoptResourceMark(thread); 184 DeoptResourceMark* dmark = new DeoptResourceMark(thread);
234 // call which returns oop we need to save it since it is not in oopmap. 234 // call which returns oop we need to save it since it is not in oopmap.
235 oop result = deoptee.saved_oop_result(&map); 235 oop result = deoptee.saved_oop_result(&map);
236 assert(result == NULL || result->is_oop(), "must be oop"); 236 assert(result == NULL || result->is_oop(), "must be oop");
237 return_value = Handle(thread, result); 237 return_value = Handle(thread, result);
238 assert(Universe::heap()->is_in_or_null(result), "must be heap pointer"); 238 assert(Universe::heap()->is_in_or_null(result), "must be heap pointer");
239 if (TraceDeoptimization) { 239 if (PrintDeoptimizationDetails) {
240 tty->print_cr("SAVED OOP RESULT " INTPTR_FORMAT " in thread " INTPTR_FORMAT, result, thread); 240 tty->print_cr("SAVED OOP RESULT " INTPTR_FORMAT " in thread " INTPTR_FORMAT, result, thread);
241 } 241 }
242 } 242 }
243 bool reallocated = false; 243 bool reallocated = false;
244 if (objects != NULL) { 244 if (objects != NULL) {
247 JRT_END 247 JRT_END
248 } 248 }
249 if (reallocated) { 249 if (reallocated) {
250 reassign_fields(&deoptee, &map, objects); 250 reassign_fields(&deoptee, &map, objects);
251 #ifndef PRODUCT 251 #ifndef PRODUCT
252 if (TraceDeoptimization) { 252 if (PrintDeoptimizationDetails) {
253 ttyLocker ttyl; 253 ttyLocker ttyl;
254 tty->print_cr("REALLOC OBJECTS in thread " INTPTR_FORMAT, thread); 254 tty->print_cr("REALLOC OBJECTS in thread " INTPTR_FORMAT, thread);
255 print_objects(objects); 255 print_objects(objects);
256 } 256 }
257 #endif 257 #endif
270 assert (cvf->scope() != NULL,"expect only compiled java frames"); 270 assert (cvf->scope() != NULL,"expect only compiled java frames");
271 GrowableArray<MonitorInfo*>* monitors = cvf->monitors(); 271 GrowableArray<MonitorInfo*>* monitors = cvf->monitors();
272 if (monitors->is_nonempty()) { 272 if (monitors->is_nonempty()) {
273 relock_objects(monitors, thread); 273 relock_objects(monitors, thread);
274 #ifndef PRODUCT 274 #ifndef PRODUCT
275 if (TraceDeoptimization) { 275 if (PrintDeoptimizationDetails) {
276 ttyLocker ttyl; 276 ttyLocker ttyl;
277 for (int j = 0; j < monitors->length(); j++) { 277 for (int j = 0; j < monitors->length(); j++) {
278 MonitorInfo* mi = monitors->at(j); 278 MonitorInfo* mi = monitors->at(j);
279 if (mi->eliminated()) { 279 if (mi->eliminated()) {
280 if (first) { 280 if (first) {
495 // information to the unpacking code so the skeletal frames come out 495 // information to the unpacking code so the skeletal frames come out
496 // correct (initial fp value, unextended sp, ...) 496 // correct (initial fp value, unextended sp, ...)
497 info->set_initial_info((intptr_t) array->sender().initial_deoptimization_info()); 497 info->set_initial_info((intptr_t) array->sender().initial_deoptimization_info());
498 498
499 if (array->frames() > 1) { 499 if (array->frames() > 1) {
500 if (VerifyStack && TraceDeoptimization) { 500 if (PrintDeoptimizationDetails) {
501 tty->print_cr("Deoptimizing method containing inlining"); 501 tty->print_cr("Deoptimizing method containing inlining");
502 } 502 }
503 } 503 }
504 504
505 array->set_unroll_block(info); 505 array->set_unroll_block(info);
575 // Since the frame to unpack is the top frame of this thread, the vframe_array_head 575 // Since the frame to unpack is the top frame of this thread, the vframe_array_head
576 // must point to the vframeArray for the unpack frame. 576 // must point to the vframeArray for the unpack frame.
577 vframeArray* array = thread->vframe_array_head(); 577 vframeArray* array = thread->vframe_array_head();
578 578
579 #ifndef PRODUCT 579 #ifndef PRODUCT
580 if (TraceDeoptimization) { 580 if (PrintDeoptimizationDetails) {
581 tty->print_cr("DEOPT UNPACKING thread " INTPTR_FORMAT " vframeArray " INTPTR_FORMAT " mode %d", thread, array, exec_mode); 581 tty->print_cr("DEOPT UNPACKING thread " INTPTR_FORMAT " vframeArray " INTPTR_FORMAT " mode %d", thread, array, exec_mode);
582 } 582 }
583 #endif 583 #endif
584 584
585 UnrollBlock* info = array->unroll_block(); 585 UnrollBlock* info = array->unroll_block();
918 for (int i = 0; i < objects->length(); i++) { 918 for (int i = 0; i < objects->length(); i++) {
919 ObjectValue* sv = (ObjectValue*) objects->at(i); 919 ObjectValue* sv = (ObjectValue*) objects->at(i);
920 KlassHandle k(((ConstantOopReadValue*) sv->klass())->value()()); 920 KlassHandle k(((ConstantOopReadValue*) sv->klass())->value()());
921 Handle obj = sv->value(); 921 Handle obj = sv->value();
922 assert(obj.not_null(), "reallocation was missed"); 922 assert(obj.not_null(), "reallocation was missed");
923 if (TraceDeoptimization) { 923 if (PrintDeoptimizationDetails) {
924 tty->print_cr("reassign fields for object of type %s!", k->name()->as_C_string()); 924 tty->print_cr("reassign fields for object of type %s!", k->name()->as_C_string());
925 } 925 }
926 926
927 if (k->oop_is_instance()) { 927 if (k->oop_is_instance()) {
928 instanceKlass* ik = instanceKlass::cast(k()); 928 instanceKlass* ik = instanceKlass::cast(k());
988 //#endif // COMPILER2 988 //#endif // COMPILER2
989 989
990 vframeArray* Deoptimization::create_vframeArray(JavaThread* thread, frame fr, RegisterMap *reg_map, GrowableArray<compiledVFrame*>* chunk) { 990 vframeArray* Deoptimization::create_vframeArray(JavaThread* thread, frame fr, RegisterMap *reg_map, GrowableArray<compiledVFrame*>* chunk) {
991 991
992 #ifndef PRODUCT 992 #ifndef PRODUCT
993 if (TraceDeoptimization) { 993 if (PrintDeoptimizationDetails) {
994 ttyLocker ttyl; 994 ttyLocker ttyl;
995 tty->print("DEOPT PACKING thread " INTPTR_FORMAT " ", thread); 995 tty->print("DEOPT PACKING thread " INTPTR_FORMAT " ", thread);
996 fr.print_on(tty); 996 fr.print_on(tty);
997 tty->print_cr(" Virtual frames (innermost first):"); 997 tty->print_cr(" Virtual frames (innermost first):");
998 for (int index = 0; index < chunk->length(); index++) { 998 for (int index = 0; index < chunk->length(); index++) {
1034 // Compare the vframeArray to the collected vframes 1034 // Compare the vframeArray to the collected vframes
1035 assert(array->structural_compare(thread, chunk), "just checking"); 1035 assert(array->structural_compare(thread, chunk), "just checking");
1036 Events::log("# vframes = %d", (intptr_t)chunk->length()); 1036 Events::log("# vframes = %d", (intptr_t)chunk->length());
1037 1037
1038 #ifndef PRODUCT 1038 #ifndef PRODUCT
1039 if (TraceDeoptimization) { 1039 if (PrintDeoptimizationDetails) {
1040 ttyLocker ttyl; 1040 ttyLocker ttyl;
1041 tty->print_cr(" Created vframeArray " INTPTR_FORMAT, array); 1041 tty->print_cr(" Created vframeArray " INTPTR_FORMAT, array);
1042 } 1042 }
1043 #endif // PRODUCT 1043 #endif // PRODUCT
1044 1044
1282 methodHandle trap_method = trap_scope->method(); 1282 methodHandle trap_method = trap_scope->method();
1283 int trap_bci = trap_scope->bci(); 1283 int trap_bci = trap_scope->bci();
1284 Bytecodes::Code trap_bc = trap_method->java_code_at(trap_bci); 1284 Bytecodes::Code trap_bc = trap_method->java_code_at(trap_bci);
1285 1285
1286 if (trap_scope->rethrow_exception()) { 1286 if (trap_scope->rethrow_exception()) {
1287 if (TraceDeoptimization) { 1287 if (PrintDeoptimizationDetails) {
1288 tty->print_cr("Exception to be rethrown in the interpreter for method %s::%s at bci %d", instanceKlass::cast(trap_method->method_holder())->name()->as_C_string(), trap_method->name()->as_C_string(), trap_bci); 1288 tty->print_cr("Exception to be rethrown in the interpreter for method %s::%s at bci %d", instanceKlass::cast(trap_method->method_holder())->name()->as_C_string(), trap_method->name()->as_C_string(), trap_bci);
1289 } 1289 }
1290 GrowableArray<ScopeValue*>* expressions = trap_scope->expressions(); 1290 GrowableArray<ScopeValue*>* expressions = trap_scope->expressions();
1291 guarantee(expressions != NULL, "must have exception to throw"); 1291 guarantee(expressions != NULL, "must have exception to throw");
1292 ScopeValue* topOfStack = expressions->top(); 1292 ScopeValue* topOfStack = expressions->top();