changeset 15437 | eabd4555d072 |
parent 13728 | 882756847a04 |
child 15484 | 7395ace8a11a |
15431:570c5062ab8a | 15437:eabd4555d072 |
---|---|
1 /* |
1 /* |
2 * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
21 * questions. |
21 * questions. |
22 * |
22 * |
23 */ |
23 */ |
24 |
24 |
25 #include "precompiled.hpp" |
25 #include "precompiled.hpp" |
26 #include "classfile/classLoaderData.hpp" |
|
26 #include "gc_interface/collectedHeap.hpp" |
27 #include "gc_interface/collectedHeap.hpp" |
27 #include "memory/genCollectedHeap.hpp" |
28 #include "memory/genCollectedHeap.hpp" |
28 #include "memory/heapInspection.hpp" |
29 #include "memory/heapInspection.hpp" |
29 #include "memory/resourceArea.hpp" |
30 #include "memory/resourceArea.hpp" |
30 #include "runtime/os.hpp" |
31 #include "runtime/os.hpp" |
39 if(e1->_instance_words > e2->_instance_words) { |
40 if(e1->_instance_words > e2->_instance_words) { |
40 return -1; |
41 return -1; |
41 } else if(e1->_instance_words < e2->_instance_words) { |
42 } else if(e1->_instance_words < e2->_instance_words) { |
42 return 1; |
43 return 1; |
43 } |
44 } |
44 return 0; |
45 // Sort alphabetically, note 'Z' < '[' < 'a', but it's better to group |
45 } |
46 // the array classes before all the instance classes. |
46 |
|
47 void KlassInfoEntry::print_on(outputStream* st) const { |
|
48 ResourceMark rm; |
47 ResourceMark rm; |
49 const char* name;; |
48 const char* name1 = e1->klass()->external_name(); |
49 const char* name2 = e2->klass()->external_name(); |
|
50 bool d1 = (name1[0] == '['); |
|
51 bool d2 = (name2[0] == '['); |
|
52 if (d1 && !d2) { |
|
53 return -1; |
|
54 } else if (d2 && !d1) { |
|
55 return 1; |
|
56 } else { |
|
57 return strcmp(name1, name2); |
|
58 } |
|
59 } |
|
60 |
|
61 const char* KlassInfoEntry::name() const { |
|
62 const char* name; |
|
50 if (_klass->name() != NULL) { |
63 if (_klass->name() != NULL) { |
51 name = _klass->external_name(); |
64 name = _klass->external_name(); |
52 } else { |
65 } else { |
53 if (_klass == Universe::boolArrayKlassObj()) name = "<boolArrayKlass>"; else |
66 if (_klass == Universe::boolArrayKlassObj()) name = "<boolArrayKlass>"; else |
54 if (_klass == Universe::charArrayKlassObj()) name = "<charArrayKlass>"; else |
67 if (_klass == Universe::charArrayKlassObj()) name = "<charArrayKlass>"; else |
58 if (_klass == Universe::shortArrayKlassObj()) name = "<shortArrayKlass>"; else |
71 if (_klass == Universe::shortArrayKlassObj()) name = "<shortArrayKlass>"; else |
59 if (_klass == Universe::intArrayKlassObj()) name = "<intArrayKlass>"; else |
72 if (_klass == Universe::intArrayKlassObj()) name = "<intArrayKlass>"; else |
60 if (_klass == Universe::longArrayKlassObj()) name = "<longArrayKlass>"; else |
73 if (_klass == Universe::longArrayKlassObj()) name = "<longArrayKlass>"; else |
61 name = "<no name>"; |
74 name = "<no name>"; |
62 } |
75 } |
76 return name; |
|
77 } |
|
78 |
|
79 void KlassInfoEntry::print_on(outputStream* st) const { |
|
80 ResourceMark rm; |
|
81 |
|
63 // simplify the formatting (ILP32 vs LP64) - always cast the numbers to 64-bit |
82 // simplify the formatting (ILP32 vs LP64) - always cast the numbers to 64-bit |
64 st->print_cr(INT64_FORMAT_W(13) " " UINT64_FORMAT_W(13) " %s", |
83 st->print_cr(INT64_FORMAT_W(13) " " UINT64_FORMAT_W(13) " %s", |
65 (jlong) _instance_count, |
84 (jlong) _instance_count, |
66 (julong) _instance_words * HeapWordSize, |
85 (julong) _instance_words * HeapWordSize, |
67 name); |
86 name()); |
68 } |
87 } |
69 |
88 |
70 KlassInfoEntry* KlassInfoBucket::lookup(Klass* const k) { |
89 KlassInfoEntry* KlassInfoBucket::lookup(Klass* const k) { |
71 KlassInfoEntry* elt = _list; |
90 KlassInfoEntry* elt = _list; |
72 while (elt != NULL) { |
91 while (elt != NULL) { |
99 delete elt; |
118 delete elt; |
100 elt = next; |
119 elt = next; |
101 } |
120 } |
102 } |
121 } |
103 |
122 |
104 KlassInfoTable::KlassInfoTable(int size, HeapWord* ref) { |
123 void KlassInfoTable::AllClassesFinder::do_klass(Klass* k) { |
124 // This has the SIDE EFFECT of creating a KlassInfoEntry |
|
125 // for <k>, if one doesn't exist yet. |
|
126 _table->lookup(k); |
|
127 } |
|
128 |
|
129 KlassInfoTable::KlassInfoTable(int size, HeapWord* ref, |
|
130 bool need_class_stats) { |
|
105 _size = 0; |
131 _size = 0; |
106 _ref = ref; |
132 _ref = ref; |
107 _buckets = NEW_C_HEAP_ARRAY(KlassInfoBucket, size, mtInternal); |
133 _buckets = NEW_C_HEAP_ARRAY(KlassInfoBucket, size, mtInternal); |
108 if (_buckets != NULL) { |
134 if (_buckets != NULL) { |
109 _size = size; |
135 _size = size; |
110 for (int index = 0; index < _size; index++) { |
136 for (int index = 0; index < _size; index++) { |
111 _buckets[index].initialize(); |
137 _buckets[index].initialize(); |
138 } |
|
139 if (need_class_stats) { |
|
140 AllClassesFinder finder(this); |
|
141 ClassLoaderDataGraph::classes_do(&finder); |
|
112 } |
142 } |
113 } |
143 } |
114 } |
144 } |
115 |
145 |
116 KlassInfoTable::~KlassInfoTable() { |
146 KlassInfoTable::~KlassInfoTable() { |
163 |
193 |
164 int KlassInfoHisto::sort_helper(KlassInfoEntry** e1, KlassInfoEntry** e2) { |
194 int KlassInfoHisto::sort_helper(KlassInfoEntry** e1, KlassInfoEntry** e2) { |
165 return (*e1)->compare(*e1,*e2); |
195 return (*e1)->compare(*e1,*e2); |
166 } |
196 } |
167 |
197 |
168 KlassInfoHisto::KlassInfoHisto(const char* title, int estimatedCount) : |
198 KlassInfoHisto::KlassInfoHisto(KlassInfoTable* cit, const char* title, int estimatedCount) : |
199 _cit(cit), |
|
169 _title(title) { |
200 _title(title) { |
170 _elements = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<KlassInfoEntry*>(estimatedCount,true); |
201 _elements = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<KlassInfoEntry*>(estimatedCount,true); |
171 } |
202 } |
172 |
203 |
173 KlassInfoHisto::~KlassInfoHisto() { |
204 KlassInfoHisto::~KlassInfoHisto() { |
194 } |
225 } |
195 st->print_cr("Total " INT64_FORMAT_W(13) " " UINT64_FORMAT_W(13), |
226 st->print_cr("Total " INT64_FORMAT_W(13) " " UINT64_FORMAT_W(13), |
196 total, totalw * HeapWordSize); |
227 total, totalw * HeapWordSize); |
197 } |
228 } |
198 |
229 |
199 void KlassInfoHisto::print_on(outputStream* st) const { |
230 #define MAKE_COL_NAME(field, name, help) #name, |
200 st->print_cr("%s",title()); |
231 #define MAKE_COL_HELP(field, name, help) help, |
201 print_elements(st); |
232 |
233 static const char *name_table[] = { |
|
234 HEAP_INSPECTION_COLUMNS_DO(MAKE_COL_NAME) |
|
235 }; |
|
236 |
|
237 static const char *help_table[] = { |
|
238 HEAP_INSPECTION_COLUMNS_DO(MAKE_COL_HELP) |
|
239 }; |
|
240 |
|
241 bool KlassInfoHisto::is_selected(const char *col_name) { |
|
242 if (_selected_columns == NULL) { |
|
243 return true; |
|
244 } |
|
245 if (strcmp(_selected_columns, col_name) == 0) { |
|
246 return true; |
|
247 } |
|
248 |
|
249 const char *start = strstr(_selected_columns, col_name); |
|
250 if (start == NULL) { |
|
251 return false; |
|
252 } |
|
253 |
|
254 // The following must be true, because _selected_columns != col_name |
|
255 if (start > _selected_columns && start[-1] != ',') { |
|
256 return false; |
|
257 } |
|
258 char x = start[strlen(col_name)]; |
|
259 if (x != ',' && x != '\0') { |
|
260 return false; |
|
261 } |
|
262 |
|
263 return true; |
|
264 } |
|
265 |
|
266 void KlassInfoHisto::print_title(outputStream* st, bool csv_format, |
|
267 bool selected[], int width_table[], |
|
268 const char *name_table[]) { |
|
269 if (csv_format) { |
|
270 st->print("Index,Super"); |
|
271 for (int c=0; c<KlassSizeStats::_num_columns; c++) { |
|
272 if (selected[c]) {st->print(",%s", name_table[c]);} |
|
273 } |
|
274 st->print(",ClassName"); |
|
275 } else { |
|
276 st->print("Index Super"); |
|
277 for (int c=0; c<KlassSizeStats::_num_columns; c++) { |
|
278 if (selected[c]) {st->print(str_fmt(width_table[c]), name_table[c]);} |
|
279 } |
|
280 st->print(" ClassName"); |
|
281 } |
|
282 |
|
283 if (is_selected("ClassLoader")) { |
|
284 st->print(",ClassLoader"); |
|
285 } |
|
286 st->cr(); |
|
287 } |
|
288 |
|
289 void KlassInfoHisto::print_class_stats(outputStream* st, |
|
290 bool csv_format, const char *columns) { |
|
291 ResourceMark rm; |
|
292 KlassSizeStats sz, sz_sum; |
|
293 int i; |
|
294 julong *col_table = (julong*)(&sz); |
|
295 julong *colsum_table = (julong*)(&sz_sum); |
|
296 int width_table[KlassSizeStats::_num_columns]; |
|
297 bool selected[KlassSizeStats::_num_columns]; |
|
298 |
|
299 _selected_columns = columns; |
|
300 |
|
301 memset(&sz_sum, 0, sizeof(sz_sum)); |
|
302 for (int c=0; c<KlassSizeStats::_num_columns; c++) { |
|
303 selected[c] = is_selected(name_table[c]); |
|
304 } |
|
305 |
|
306 for(i=0; i < elements()->length(); i++) { |
|
307 elements()->at(i)->set_index(i+1); |
|
308 } |
|
309 |
|
310 for (int pass=1; pass<=2; pass++) { |
|
311 if (pass == 2) { |
|
312 print_title(st, csv_format, selected, width_table, name_table); |
|
313 } |
|
314 for(i=0; i < elements()->length(); i++) { |
|
315 KlassInfoEntry* e = (KlassInfoEntry*)elements()->at(i); |
|
316 const Klass* k = e->klass(); |
|
317 |
|
318 memset(&sz, 0, sizeof(sz)); |
|
319 sz._inst_count = e->count(); |
|
320 sz._inst_bytes = HeapWordSize * e->words(); |
|
321 k->collect_statistics(&sz); |
|
322 sz._total_bytes = sz._ro_bytes + sz._rw_bytes; |
|
323 |
|
324 if (pass == 1) { |
|
325 for (int c=0; c<KlassSizeStats::_num_columns; c++) { |
|
326 colsum_table[c] += col_table[c]; |
|
327 } |
|
328 } else { |
|
329 int super_index = -1; |
|
330 if (k->oop_is_instance()) { |
|
331 Klass* super = ((InstanceKlass*)k)->java_super(); |
|
332 if (super) { |
|
333 KlassInfoEntry* super_e = _cit->lookup(super); |
|
334 if (super_e) { |
|
335 super_index = super_e->index(); |
|
336 } |
|
337 } |
|
338 } |
|
339 |
|
340 if (csv_format) { |
|
341 st->print("%d,%d", e->index(), super_index); |
|
342 for (int c=0; c<KlassSizeStats::_num_columns; c++) { |
|
343 if (selected[c]) {st->print("," JULONG_FORMAT, col_table[c]);} |
|
344 } |
|
345 st->print(",%s",e->name()); |
|
346 } else { |
|
347 st->print("%5d %5d", e->index(), super_index); |
|
348 for (int c=0; c<KlassSizeStats::_num_columns; c++) { |
|
349 if (selected[c]) {print_julong(st, width_table[c], col_table[c]);} |
|
350 } |
|
351 st->print(" %s", e->name()); |
|
352 } |
|
353 if (is_selected("ClassLoader")) { |
|
354 ClassLoaderData* loader_data = k->class_loader_data(); |
|
355 st->print(","); |
|
356 loader_data->print_value_on(st); |
|
357 } |
|
358 st->cr(); |
|
359 } |
|
360 } |
|
361 |
|
362 if (pass == 1) { |
|
363 for (int c=0; c<KlassSizeStats::_num_columns; c++) { |
|
364 width_table[c] = col_width(colsum_table[c], name_table[c]); |
|
365 } |
|
366 } |
|
367 } |
|
368 |
|
369 sz_sum._inst_size = 0; |
|
370 |
|
371 if (csv_format) { |
|
372 st->print(","); |
|
373 for (int c=0; c<KlassSizeStats::_num_columns; c++) { |
|
374 if (selected[c]) {st->print("," JULONG_FORMAT, colsum_table[c]);} |
|
375 } |
|
376 } else { |
|
377 st->print(" "); |
|
378 for (int c=0; c<KlassSizeStats::_num_columns; c++) { |
|
379 if (selected[c]) {print_julong(st, width_table[c], colsum_table[c]);} |
|
380 } |
|
381 st->print(" Total"); |
|
382 if (sz_sum._total_bytes > 0) { |
|
383 st->cr(); |
|
384 st->print(" "); |
|
385 for (int c=0; c<KlassSizeStats::_num_columns; c++) { |
|
386 if (selected[c]) { |
|
387 switch (c) { |
|
388 case KlassSizeStats::_index_inst_size: |
|
389 case KlassSizeStats::_index_inst_count: |
|
390 case KlassSizeStats::_index_method_count: |
|
391 st->print(str_fmt(width_table[c]), "-"); |
|
392 break; |
|
393 default: |
|
394 { |
|
395 double perc = (double)(100) * (double)(colsum_table[c]) / (double)sz_sum._total_bytes; |
|
396 st->print(perc_fmt(width_table[c]), perc); |
|
397 } |
|
398 } |
|
399 } |
|
400 } |
|
401 } |
|
402 } |
|
403 st->cr(); |
|
404 |
|
405 if (!csv_format) { |
|
406 print_title(st, csv_format, selected, width_table, name_table); |
|
407 } |
|
408 } |
|
409 |
|
410 julong KlassInfoHisto::annotations_bytes(Array<AnnotationArray*>* p) const { |
|
411 julong bytes = 0; |
|
412 if (p != NULL) { |
|
413 for (int i = 0; i < p->length(); i++) { |
|
414 bytes += count_bytes_array(p->at(i)); |
|
415 } |
|
416 bytes += count_bytes_array(p); |
|
417 } |
|
418 return bytes; |
|
419 } |
|
420 |
|
421 void KlassInfoHisto::print_histo_on(outputStream* st, bool print_stats, |
|
422 bool csv_format, const char *columns) { |
|
423 if (print_stats) { |
|
424 print_class_stats(st, csv_format, columns); |
|
425 } else { |
|
426 st->print_cr("%s",title()); |
|
427 print_elements(st); |
|
428 } |
|
202 } |
429 } |
203 |
430 |
204 class HistoClosure : public KlassInfoClosure { |
431 class HistoClosure : public KlassInfoClosure { |
205 private: |
432 private: |
206 KlassInfoHisto* _cih; |
433 KlassInfoHisto* _cih; |
234 // Get some random number for ref (the hash key) |
461 // Get some random number for ref (the hash key) |
235 HeapWord* ref = (HeapWord*) Universe::boolArrayKlassObj(); |
462 HeapWord* ref = (HeapWord*) Universe::boolArrayKlassObj(); |
236 CollectedHeap* heap = Universe::heap(); |
463 CollectedHeap* heap = Universe::heap(); |
237 bool is_shared_heap = false; |
464 bool is_shared_heap = false; |
238 |
465 |
466 if (_print_help) { |
|
467 for (int c=0; c<KlassSizeStats::_num_columns; c++) { |
|
468 st->print("%s:\n\t", name_table[c]); |
|
469 const int max_col = 60; |
|
470 int col = 0; |
|
471 for (const char *p = help_table[c]; *p; p++,col++) { |
|
472 if (col >= max_col && *p == ' ') { |
|
473 st->print("\n\t"); |
|
474 col = 0; |
|
475 } else { |
|
476 st->print("%c", *p); |
|
477 } |
|
478 } |
|
479 st->print_cr(".\n"); |
|
480 } |
|
481 return; |
|
482 } |
|
483 |
|
239 // Collect klass instance info |
484 // Collect klass instance info |
240 KlassInfoTable cit(KlassInfoTable::cit_size, ref); |
485 KlassInfoTable cit(KlassInfoTable::cit_size, ref, _print_class_stats); |
241 if (!cit.allocation_failed()) { |
486 if (!cit.allocation_failed()) { |
242 // Iterate over objects in the heap |
487 // Iterate over objects in the heap |
243 RecordInstanceClosure ric(&cit); |
488 RecordInstanceClosure ric(&cit); |
244 Universe::heap()->object_iterate(&ric); |
489 Universe::heap()->object_iterate(&ric); |
245 |
490 |
250 st->print_cr("WARNING: Ran out of C-heap; undercounted " SIZE_FORMAT |
495 st->print_cr("WARNING: Ran out of C-heap; undercounted " SIZE_FORMAT |
251 " total instances in data below", |
496 " total instances in data below", |
252 missed_count); |
497 missed_count); |
253 } |
498 } |
254 // Sort and print klass instance info |
499 // Sort and print klass instance info |
255 KlassInfoHisto histo("\n" |
500 const char *title = "\n" |
256 " num #instances #bytes class name\n" |
501 " num #instances #bytes class name\n" |
257 "----------------------------------------------", |
502 "----------------------------------------------"; |
258 KlassInfoHisto::histo_initial_size); |
503 KlassInfoHisto histo(&cit, title, KlassInfoHisto::histo_initial_size); |
259 HistoClosure hc(&histo); |
504 HistoClosure hc(&histo); |
260 cit.iterate(&hc); |
505 cit.iterate(&hc); |
261 histo.sort(); |
506 histo.sort(); |
262 histo.print_on(st); |
507 histo.print_histo_on(st, _print_class_stats, _csv_format, _columns); |
263 } else { |
508 } else { |
264 st->print_cr("WARNING: Ran out of C-heap; histogram not generated"); |
509 st->print_cr("WARNING: Ran out of C-heap; histogram not generated"); |
265 } |
510 } |
266 st->flush(); |
511 st->flush(); |
267 |
512 |