1 /*
2 * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24 #include "precompiled.hpp"
25
26 #include "memory/allocation.hpp"
27 #include "services/mallocTracker.hpp"
28 #include "services/memReporter.hpp"
29 #include "services/virtualMemoryTracker.hpp"
30 #include "utilities/globalDefinitions.hpp"
31
32 size_t MemReporterBase::reserved_total(const MallocMemory* malloc, const VirtualMemory* vm) const {
33 return malloc->malloc_size() + malloc->arena_size() + vm->reserved();
34 }
35
36 size_t MemReporterBase::committed_total(const MallocMemory* malloc, const VirtualMemory* vm) const {
37 return malloc->malloc_size() + malloc->arena_size() + vm->committed();
38 }
39
40 void MemReporterBase::print_total(size_t reserved, size_t committed) const {
41 const char* scale = current_scale();
42 output()->print("reserved=" SIZE_FORMAT "%s, committed=" SIZE_FORMAT "%s",
43 amount_in_current_scale(reserved), scale, amount_in_current_scale(committed), scale);
44 }
45
46 void MemReporterBase::print_malloc(size_t amount, size_t count, MEMFLAGS flag) const {
47 const char* scale = current_scale();
48 outputStream* out = output();
49 if (flag != mtNone) {
50 out->print("(malloc=" SIZE_FORMAT "%s type=%s",
51 amount_in_current_scale(amount), scale, NMTUtil::flag_to_name(flag));
52 } else {
53 out->print("(malloc=" SIZE_FORMAT "%s",
54 amount_in_current_scale(amount), scale);
55 }
56
57 if (count > 0) {
58 out->print(" #" SIZE_FORMAT "", count);
59 }
60
61 out->print(")");
62 }
63
64 void MemReporterBase::print_virtual_memory(size_t reserved, size_t committed) const {
65 const char* scale = current_scale();
66 output()->print("(mmap: reserved=" SIZE_FORMAT "%s, committed=" SIZE_FORMAT "%s)",
67 amount_in_current_scale(reserved), scale, amount_in_current_scale(committed), scale);
68 }
69
70 void MemReporterBase::print_malloc_line(size_t amount, size_t count) const {
71 output()->print("%28s", " ");
72 print_malloc(amount, count);
73 output()->print_cr(" ");
74 }
75
76 void MemReporterBase::print_virtual_memory_line(size_t reserved, size_t committed) const {
77 output()->print("%28s", " ");
78 print_virtual_memory(reserved, committed);
79 output()->print_cr(" ");
80 }
81
82 void MemReporterBase::print_arena_line(size_t amount, size_t count) const {
83 const char* scale = current_scale();
84 output()->print_cr("%27s (arena=" SIZE_FORMAT "%s #" SIZE_FORMAT ")", " ",
85 amount_in_current_scale(amount), scale, count);
86 }
87
88 void MemReporterBase::print_virtual_memory_region(const char* type, address base, size_t size) const {
89 const char* scale = current_scale();
90 output()->print("[" PTR_FORMAT " - " PTR_FORMAT "] %s " SIZE_FORMAT "%s",
91 p2i(base), p2i(base + size), type, amount_in_current_scale(size), scale);
92 }
93
94
95 void MemSummaryReporter::report() {
96 const char* scale = current_scale();
97 outputStream* out = output();
98 size_t total_reserved_amount = _malloc_snapshot->total() +
99 _vm_snapshot->total_reserved();
100 size_t total_committed_amount = _malloc_snapshot->total() +
101 _vm_snapshot->total_committed();
102
103 // Overall total
104 out->print_cr("\nNative Memory Tracking:\n");
105 out->print("Total: ");
106 print_total(total_reserved_amount, total_committed_amount);
107 out->print("\n");
108
109 // Summary by memory type
110 for (int index = 0; index < mt_number_of_types; index ++) {
111 MEMFLAGS flag = NMTUtil::index_to_flag(index);
112 // thread stack is reported as part of thread category
113 if (flag == mtThreadStack) continue;
114 MallocMemory* malloc_memory = _malloc_snapshot->by_type(flag);
115 VirtualMemory* virtual_memory = _vm_snapshot->by_type(flag);
116
117 report_summary_of_type(flag, malloc_memory, virtual_memory);
118 }
119 }
120
121 void MemSummaryReporter::report_summary_of_type(MEMFLAGS flag,
122 MallocMemory* malloc_memory, VirtualMemory* virtual_memory) {
123
124 size_t reserved_amount = reserved_total (malloc_memory, virtual_memory);
125 size_t committed_amount = committed_total(malloc_memory, virtual_memory);
126
127 // Count thread's native stack in "Thread" category
128 if (flag == mtThread) {
129 const VirtualMemory* thread_stack_usage =
130 (const VirtualMemory*)_vm_snapshot->by_type(mtThreadStack);
131 reserved_amount += thread_stack_usage->reserved();
132 committed_amount += thread_stack_usage->committed();
133 } else if (flag == mtNMT) {
134 // Count malloc headers in "NMT" category
135 reserved_amount += _malloc_snapshot->malloc_overhead()->size();
136 committed_amount += _malloc_snapshot->malloc_overhead()->size();
137 }
138
139 if (amount_in_current_scale(reserved_amount) > 0) {
140 outputStream* out = output();
141 const char* scale = current_scale();
142 out->print("-%26s (", NMTUtil::flag_to_name(flag));
143 print_total(reserved_amount, committed_amount);
144 out->print_cr(")");
145
146 if (flag == mtClass) {
147 // report class count
148 out->print_cr("%27s (classes #" SIZE_FORMAT ")",
149 " ", (_instance_class_count + _array_class_count));
150 out->print_cr("%27s ( instance classes #" SIZE_FORMAT ", array classes #" SIZE_FORMAT ")",
151 " ", _instance_class_count, _array_class_count);
152 } else if (flag == mtThread) {
153 // report thread count
154 out->print_cr("%27s (thread #" SIZE_FORMAT ")", " ", _malloc_snapshot->thread_count());
155 const VirtualMemory* thread_stack_usage =
156 _vm_snapshot->by_type(mtThreadStack);
157 out->print("%27s (stack: ", " ");
158 print_total(thread_stack_usage->reserved(), thread_stack_usage->committed());
159 out->print_cr(")");
160 }
161
162 // report malloc'd memory
163 if (amount_in_current_scale(malloc_memory->malloc_size()) > 0) {
164 // We don't know how many arena chunks are in used, so don't report the count
165 size_t count = (flag == mtChunk) ? 0 : malloc_memory->malloc_count();
166 print_malloc_line(malloc_memory->malloc_size(), count);
167 }
168
169 if (amount_in_current_scale(virtual_memory->reserved()) > 0) {
170 print_virtual_memory_line(virtual_memory->reserved(), virtual_memory->committed());
171 }
172
173 if (amount_in_current_scale(malloc_memory->arena_size()) > 0) {
174 print_arena_line(malloc_memory->arena_size(), malloc_memory->arena_count());
175 }
176
177 if (flag == mtNMT &&
178 amount_in_current_scale(_malloc_snapshot->malloc_overhead()->size()) > 0) {
179 out->print_cr("%27s (tracking overhead=" SIZE_FORMAT "%s)", " ",
180 amount_in_current_scale(_malloc_snapshot->malloc_overhead()->size()), scale);
181 } else if (flag == mtClass) {
182 // Metadata information
183 report_metadata(Metaspace::NonClassType);
184 if (Metaspace::using_class_space()) {
185 report_metadata(Metaspace::ClassType);
186 }
187 }
188 out->print_cr(" ");
189 }
190 }
191
192 void MemSummaryReporter::report_metadata(Metaspace::MetadataType type) const {
193 assert(type == Metaspace::NonClassType || type == Metaspace::ClassType,
194 "Invalid metadata type");
195 const char* name = (type == Metaspace::NonClassType) ?
196 "Metadata: " : "Class space:";
197
198 outputStream* out = output();
199 const char* scale = current_scale();
200 size_t committed = MetaspaceAux::committed_bytes(type);
201 size_t used = MetaspaceAux::used_bytes(type);
202 size_t free = (MetaspaceAux::capacity_bytes(type) - used)
203 + MetaspaceAux::free_chunks_total_bytes(type)
204 + MetaspaceAux::free_bytes(type);
205
206 assert(committed >= used + free, "Sanity");
207 size_t waste = committed - (used + free);
208
209 out->print_cr("%27s ( %s)", " ", name);
210 out->print("%27s ( ", " ");
211 print_total(MetaspaceAux::reserved_bytes(type), committed);
212 out->print_cr(")");
213 out->print_cr("%27s ( used=" SIZE_FORMAT "%s)", " ", amount_in_current_scale(used), scale);
214 out->print_cr("%27s ( free=" SIZE_FORMAT "%s)", " ", amount_in_current_scale(free), scale);
215 out->print_cr("%27s ( waste=" SIZE_FORMAT "%s =%2.2f%%)", " ", amount_in_current_scale(waste),
216 scale, ((float)waste * 100)/committed);
217 }
218
219 void MemDetailReporter::report_detail() {
220 // Start detail report
221 outputStream* out = output();
222 out->print_cr("Details:\n");
223
224 report_malloc_sites();
225 report_virtual_memory_allocation_sites();
226 }
227
228 void MemDetailReporter::report_malloc_sites() {
229 MallocSiteIterator malloc_itr = _baseline.malloc_sites(MemBaseline::by_size);
230 if (malloc_itr.is_empty()) return;
231
232 outputStream* out = output();
233
234 const MallocSite* malloc_site;
235 while ((malloc_site = malloc_itr.next()) != NULL) {
236 // Don't report if size is too small
237 if (amount_in_current_scale(malloc_site->size()) == 0)
238 continue;
239
240 const NativeCallStack* stack = malloc_site->call_stack();
241 stack->print_on(out);
242 out->print("%29s", " ");
243 MEMFLAGS flag = malloc_site->flags();
244 assert((flag >= 0 && flag < (int)mt_number_of_types) && flag != mtNone,
245 "Must have a valid memory type");
246 print_malloc(malloc_site->size(), malloc_site->count(),flag);
247 out->print_cr("\n");
248 }
249 }
250
251 void MemDetailReporter::report_virtual_memory_allocation_sites() {
252 VirtualMemorySiteIterator virtual_memory_itr =
253 _baseline.virtual_memory_sites(MemBaseline::by_size);
254
255 if (virtual_memory_itr.is_empty()) return;
256
257 outputStream* out = output();
258 const VirtualMemoryAllocationSite* virtual_memory_site;
259
260 while ((virtual_memory_site = virtual_memory_itr.next()) != NULL) {
261 // Don't report if size is too small
262 if (amount_in_current_scale(virtual_memory_site->reserved()) == 0)
263 continue;
264
265 const NativeCallStack* stack = virtual_memory_site->call_stack();
266 stack->print_on(out);
267 out->print("%28s (", " ");
268 print_total(virtual_memory_site->reserved(), virtual_memory_site->committed());
269 out->print_cr(")\n");
270 }
271 }
272
273
274 void MemDetailReporter::report_virtual_memory_map() {
275 // Virtual memory map always in base address order
276 VirtualMemoryAllocationIterator itr = _baseline.virtual_memory_allocations();
277 const ReservedMemoryRegion* rgn;
278
279 output()->print_cr("Virtual memory map:");
280 while ((rgn = itr.next()) != NULL) {
281 report_virtual_memory_region(rgn);
282 }
283 }
284
285 void MemDetailReporter::report_virtual_memory_region(const ReservedMemoryRegion* reserved_rgn) {
286 assert(reserved_rgn != NULL, "NULL pointer");
287
288 // Don't report if size is too small
289 if (amount_in_current_scale(reserved_rgn->size()) == 0) return;
290
291 outputStream* out = output();
292 const char* scale = current_scale();
293 const NativeCallStack* stack = reserved_rgn->call_stack();
294 bool all_committed = reserved_rgn->all_committed();
295 const char* region_type = (all_committed ? "reserved and committed" : "reserved");
296 out->print_cr(" ");
297 print_virtual_memory_region(region_type, reserved_rgn->base(), reserved_rgn->size());
298 out->print(" for %s", NMTUtil::flag_to_name(reserved_rgn->flag()));
299 if (stack->is_empty()) {
300 out->print_cr(" ");
301 } else {
302 out->print_cr(" from");
303 stack->print_on(out, 4);
304 }
305
306 if (all_committed) return;
307
308 CommittedRegionIterator itr = reserved_rgn->iterate_committed_regions();
309 const CommittedMemoryRegion* committed_rgn;
310 while ((committed_rgn = itr.next()) != NULL) {
311 // Don't report if size is too small
312 if (amount_in_current_scale(committed_rgn->size()) == 0) continue;
313 stack = committed_rgn->call_stack();
314 out->print("\n\t");
315 print_virtual_memory_region("committed", committed_rgn->base(), committed_rgn->size());
316 if (stack->is_empty()) {
317 out->print_cr(" ");
318 } else {
319 out->print_cr(" from");
320 stack->print_on(out, 12);
321 }
322 }
323 }
324
325 void MemSummaryDiffReporter::report_diff() {
326 const char* scale = current_scale();
327 outputStream* out = output();
328 out->print_cr("\nNative Memory Tracking:\n");
329
330 // Overall diff
331 out->print("Total: ");
332 print_virtual_memory_diff(_current_baseline.total_reserved_memory(),
333 _current_baseline.total_committed_memory(), _early_baseline.total_reserved_memory(),
334 _early_baseline.total_committed_memory());
335
336 out->print_cr("\n");
337
338 // Summary diff by memory type
339 for (int index = 0; index < mt_number_of_types; index ++) {
340 MEMFLAGS flag = NMTUtil::index_to_flag(index);
341 // thread stack is reported as part of thread category
342 if (flag == mtThreadStack) continue;
343 diff_summary_of_type(flag,
344 _early_baseline.malloc_memory(flag),
345 _early_baseline.virtual_memory(flag),
346 _early_baseline.metaspace_snapshot(),
347 _current_baseline.malloc_memory(flag),
348 _current_baseline.virtual_memory(flag),
349 _current_baseline.metaspace_snapshot());
350 }
351 }
352
353 void MemSummaryDiffReporter::print_malloc_diff(size_t current_amount, size_t current_count,
354 size_t early_amount, size_t early_count, MEMFLAGS flags) const {
355 const char* scale = current_scale();
356 outputStream* out = output();
357
358 out->print("malloc=" SIZE_FORMAT "%s", amount_in_current_scale(current_amount), scale);
359 // Report type only if it is valid
360 if (flags != mtNone) {
361 out->print(" type=%s", NMTUtil::flag_to_name(flags));
362 }
363
364 long amount_diff = diff_in_current_scale(current_amount, early_amount);
365 if (amount_diff != 0) {
366 out->print(" %+ld%s", amount_diff, scale);
367 }
368 if (current_count > 0) {
369 out->print(" #" SIZE_FORMAT "", current_count);
370 if (current_count != early_count) {
371 out->print(" %+d", (int)(current_count - early_count));
372 }
373 }
374 }
375
376 void MemSummaryDiffReporter::print_arena_diff(size_t current_amount, size_t current_count,
377 size_t early_amount, size_t early_count) const {
378 const char* scale = current_scale();
379 outputStream* out = output();
380 out->print("arena=" SIZE_FORMAT "%s", amount_in_current_scale(current_amount), scale);
381 if (diff_in_current_scale(current_amount, early_amount) != 0) {
382 out->print(" %+ld", diff_in_current_scale(current_amount, early_amount));
383 }
384
385 out->print(" #" SIZE_FORMAT "", current_count);
386 if (current_count != early_count) {
387 out->print(" %+d", (int)(current_count - early_count));
388 }
389 }
390
391 void MemSummaryDiffReporter::print_virtual_memory_diff(size_t current_reserved, size_t current_committed,
392 size_t early_reserved, size_t early_committed) const {
393 const char* scale = current_scale();
394 outputStream* out = output();
395 out->print("reserved=" SIZE_FORMAT "%s", amount_in_current_scale(current_reserved), scale);
396 long reserved_diff = diff_in_current_scale(current_reserved, early_reserved);
397 if (reserved_diff != 0) {
398 out->print(" %+ld%s", reserved_diff, scale);
399 }
400
401 out->print(", committed=" SIZE_FORMAT "%s", amount_in_current_scale(current_committed), scale);
402 long committed_diff = diff_in_current_scale(current_committed, early_committed);
403 if (committed_diff != 0) {
404 out->print(" %+ld%s", committed_diff, scale);
405 }
406 }
407
408
409 void MemSummaryDiffReporter::diff_summary_of_type(MEMFLAGS flag,
410 const MallocMemory* early_malloc, const VirtualMemory* early_vm,
411 const MetaspaceSnapshot* early_ms,
412 const MallocMemory* current_malloc, const VirtualMemory* current_vm,
413 const MetaspaceSnapshot* current_ms) const {
414
415 outputStream* out = output();
416 const char* scale = current_scale();
417
418 // Total reserved and committed memory in current baseline
419 size_t current_reserved_amount = reserved_total (current_malloc, current_vm);
420 size_t current_committed_amount = committed_total(current_malloc, current_vm);
421
422 // Total reserved and committed memory in early baseline
423 size_t early_reserved_amount = reserved_total(early_malloc, early_vm);
424 size_t early_committed_amount = committed_total(early_malloc, early_vm);
425
426 // Adjust virtual memory total
427 if (flag == mtThread) {
428 const VirtualMemory* early_thread_stack_usage =
429 _early_baseline.virtual_memory(mtThreadStack);
430 const VirtualMemory* current_thread_stack_usage =
431 _current_baseline.virtual_memory(mtThreadStack);
432
433 early_reserved_amount += early_thread_stack_usage->reserved();
434 early_committed_amount += early_thread_stack_usage->committed();
435
436 current_reserved_amount += current_thread_stack_usage->reserved();
437 current_committed_amount += current_thread_stack_usage->committed();
438 } else if (flag == mtNMT) {
439 early_reserved_amount += _early_baseline.malloc_tracking_overhead();
440 early_committed_amount += _early_baseline.malloc_tracking_overhead();
441
442 current_reserved_amount += _current_baseline.malloc_tracking_overhead();
443 current_committed_amount += _current_baseline.malloc_tracking_overhead();
444 }
445
446 if (amount_in_current_scale(current_reserved_amount) > 0 ||
447 diff_in_current_scale(current_reserved_amount, early_reserved_amount) != 0) {
448
449 // print summary line
450 out->print("-%26s (", NMTUtil::flag_to_name(flag));
451 print_virtual_memory_diff(current_reserved_amount, current_committed_amount,
452 early_reserved_amount, early_committed_amount);
453 out->print_cr(")");
454
455 // detail lines
456 if (flag == mtClass) {
457 // report class count
458 out->print("%27s (classes #" SIZE_FORMAT "", " ", _current_baseline.class_count());
459 int class_count_diff = (int)(_current_baseline.class_count() -
460 _early_baseline.class_count());
461 if (_current_baseline.class_count() != _early_baseline.class_count()) {
462 out->print(" %+d", (int)(_current_baseline.class_count() - _early_baseline.class_count()));
463 }
464 out->print_cr(")");
465
466 out->print("%27s ( instance classes #" SIZE_FORMAT, " ", _current_baseline.instance_class_count());
467 if (_current_baseline.instance_class_count() != _early_baseline.instance_class_count()) {
468 out->print(" %+d", (int)(_current_baseline.instance_class_count() - _early_baseline.instance_class_count()));
469 }
470 out->print(", array classes #" SIZE_FORMAT, _current_baseline.array_class_count());
471 if (_current_baseline.array_class_count() != _early_baseline.array_class_count()) {
472 out->print(" %+d", (int)(_current_baseline.array_class_count() - _early_baseline.array_class_count()));
473 }
474 out->print_cr(")");
475
476 } else if (flag == mtThread) {
477 // report thread count
478 out->print("%27s (thread #" SIZE_FORMAT "", " ", _current_baseline.thread_count());
479 int thread_count_diff = (int)(_current_baseline.thread_count() -
480 _early_baseline.thread_count());
481 if (thread_count_diff != 0) {
482 out->print(" %+d", thread_count_diff);
483 }
484 out->print_cr(")");
485
486 // report thread stack
487 const VirtualMemory* current_thread_stack =
488 _current_baseline.virtual_memory(mtThreadStack);
489 const VirtualMemory* early_thread_stack =
490 _early_baseline.virtual_memory(mtThreadStack);
491
492 out->print("%27s (stack: ", " ");
493 print_virtual_memory_diff(current_thread_stack->reserved(), current_thread_stack->committed(),
494 early_thread_stack->reserved(), early_thread_stack->committed());
495 out->print_cr(")");
496 }
497
498 // Report malloc'd memory
499 size_t current_malloc_amount = current_malloc->malloc_size();
500 size_t early_malloc_amount = early_malloc->malloc_size();
501 if (amount_in_current_scale(current_malloc_amount) > 0 ||
502 diff_in_current_scale(current_malloc_amount, early_malloc_amount) != 0) {
503 out->print("%28s(", " ");
504 print_malloc_diff(current_malloc_amount, (flag == mtChunk) ? 0 : current_malloc->malloc_count(),
505 early_malloc_amount, early_malloc->malloc_count(), mtNone);
506 out->print_cr(")");
507 }
508
509 // Report virtual memory
510 if (amount_in_current_scale(current_vm->reserved()) > 0 ||
511 diff_in_current_scale(current_vm->reserved(), early_vm->reserved()) != 0) {
512 out->print("%27s (mmap: ", " ");
513 print_virtual_memory_diff(current_vm->reserved(), current_vm->committed(),
514 early_vm->reserved(), early_vm->committed());
515 out->print_cr(")");
516 }
517
518 // Report arena memory
519 if (amount_in_current_scale(current_malloc->arena_size()) > 0 ||
520 diff_in_current_scale(current_malloc->arena_size(), early_malloc->arena_size()) != 0) {
521 out->print("%28s(", " ");
522 print_arena_diff(current_malloc->arena_size(), current_malloc->arena_count(),
523 early_malloc->arena_size(), early_malloc->arena_count());
524 out->print_cr(")");
525 }
526
527 // Report native memory tracking overhead
528 if (flag == mtNMT) {
529 size_t current_tracking_overhead = amount_in_current_scale(_current_baseline.malloc_tracking_overhead());
530 size_t early_tracking_overhead = amount_in_current_scale(_early_baseline.malloc_tracking_overhead());
531
532 out->print("%27s (tracking overhead=" SIZE_FORMAT "%s", " ",
533 amount_in_current_scale(_current_baseline.malloc_tracking_overhead()), scale);
534
535 long overhead_diff = diff_in_current_scale(_current_baseline.malloc_tracking_overhead(),
536 _early_baseline.malloc_tracking_overhead());
537 if (overhead_diff != 0) {
538 out->print(" %+ld%s", overhead_diff, scale);
539 }
540 out->print_cr(")");
541 } else if (flag == mtClass) {
542 assert(current_ms != NULL && early_ms != NULL, "Sanity");
543 print_metaspace_diff(current_ms, early_ms);
544 }
545 out->print_cr(" ");
546 }
547 }
548
549 void MemSummaryDiffReporter::print_metaspace_diff(const MetaspaceSnapshot* current_ms,
550 const MetaspaceSnapshot* early_ms) const {
551 print_metaspace_diff(Metaspace::NonClassType, current_ms, early_ms);
552 if (Metaspace::using_class_space()) {
553 print_metaspace_diff(Metaspace::ClassType, current_ms, early_ms);
554 }
555 }
556
557 void MemSummaryDiffReporter::print_metaspace_diff(Metaspace::MetadataType type,
558 const MetaspaceSnapshot* current_ms,
559 const MetaspaceSnapshot* early_ms) const {
560 const char* name = (type == Metaspace::NonClassType) ?
561 "Metadata: " : "Class space:";
562
563 outputStream* out = output();
564 const char* scale = current_scale();
565
566 out->print_cr("%27s ( %s)", " ", name);
567 out->print("%27s ( ", " ");
568 print_virtual_memory_diff(current_ms->reserved_in_bytes(type),
569 current_ms->committed_in_bytes(type),
570 early_ms->reserved_in_bytes(type),
571 early_ms->committed_in_bytes(type));
572 out->print_cr(")");
573
574 long diff_used = diff_in_current_scale(current_ms->used_in_bytes(type),
575 early_ms->used_in_bytes(type));
576 long diff_free = diff_in_current_scale(current_ms->free_in_bytes(type),
577 early_ms->free_in_bytes(type));
578
579 size_t current_waste = current_ms->committed_in_bytes(type)
580 - (current_ms->used_in_bytes(type) + current_ms->free_in_bytes(type));
581 size_t early_waste = early_ms->committed_in_bytes(type)
582 - (early_ms->used_in_bytes(type) + early_ms->free_in_bytes(type));
583 long diff_waste = diff_in_current_scale(current_waste, early_waste);
584
585 // Diff used
586 out->print("%27s ( used=" SIZE_FORMAT "%s", " ",
587 amount_in_current_scale(current_ms->used_in_bytes(type)), scale);
588 if (diff_used != 0) {
589 out->print(" %+ld%s", diff_used, scale);
590 }
591 out->print_cr(")");
592
593 // Diff free
594 out->print("%27s ( free=" SIZE_FORMAT "%s", " ",
595 amount_in_current_scale(current_ms->free_in_bytes(type)), scale);
596 if (diff_free != 0) {
597 out->print(" %+ld%s", diff_free, scale);
598 }
599 out->print_cr(")");
600
601
602 // Diff waste
603 out->print("%27s ( waste=" SIZE_FORMAT "%s =%2.2f%%", " ",
604 amount_in_current_scale(current_waste), scale,
605 ((float)current_waste * 100) / current_ms->committed_in_bytes(type));
606 if (diff_waste != 0) {
607 out->print(" %+ld%s", diff_waste, scale);
608 }
609 out->print_cr(")");
610 }
611
612 void MemDetailDiffReporter::report_diff() {
613 MemSummaryDiffReporter::report_diff();
614 diff_malloc_sites();
615 diff_virtual_memory_sites();
616 }
617
618 void MemDetailDiffReporter::diff_malloc_sites() const {
619 MallocSiteIterator early_itr = _early_baseline.malloc_sites(MemBaseline::by_site_and_type);
620 MallocSiteIterator current_itr = _current_baseline.malloc_sites(MemBaseline::by_site_and_type);
621
622 const MallocSite* early_site = early_itr.next();
623 const MallocSite* current_site = current_itr.next();
624
625 while (early_site != NULL || current_site != NULL) {
626 if (early_site == NULL) {
627 new_malloc_site(current_site);
628 current_site = current_itr.next();
629 } else if (current_site == NULL) {
630 old_malloc_site(early_site);
631 early_site = early_itr.next();
632 } else {
633 int compVal = current_site->call_stack()->compare(*early_site->call_stack());
634 if (compVal < 0) {
635 new_malloc_site(current_site);
636 current_site = current_itr.next();
637 } else if (compVal > 0) {
638 old_malloc_site(early_site);
639 early_site = early_itr.next();
640 } else {
641 diff_malloc_site(early_site, current_site);
642 early_site = early_itr.next();
643 current_site = current_itr.next();
644 }
645 }
646 }
647 }
648
649 void MemDetailDiffReporter::diff_virtual_memory_sites() const {
650 VirtualMemorySiteIterator early_itr = _early_baseline.virtual_memory_sites(MemBaseline::by_site);
651 VirtualMemorySiteIterator current_itr = _current_baseline.virtual_memory_sites(MemBaseline::by_site);
652
653 const VirtualMemoryAllocationSite* early_site = early_itr.next();
654 const VirtualMemoryAllocationSite* current_site = current_itr.next();
655
656 while (early_site != NULL || current_site != NULL) {
657 if (early_site == NULL) {
658 new_virtual_memory_site(current_site);
659 current_site = current_itr.next();
660 } else if (current_site == NULL) {
661 old_virtual_memory_site(early_site);
662 early_site = early_itr.next();
663 } else {
664 int compVal = current_site->call_stack()->compare(*early_site->call_stack());
665 if (compVal < 0) {
666 new_virtual_memory_site(current_site);
667 current_site = current_itr.next();
668 } else if (compVal > 0) {
669 old_virtual_memory_site(early_site);
670 early_site = early_itr.next();
671 } else {
672 diff_virtual_memory_site(early_site, current_site);
673 early_site = early_itr.next();
674 current_site = current_itr.next();
675 }
676 }
677 }
678 }
679
680
681 void MemDetailDiffReporter::new_malloc_site(const MallocSite* malloc_site) const {
682 diff_malloc_site(malloc_site->call_stack(), malloc_site->size(), malloc_site->count(),
683 0, 0, malloc_site->flags());
684 }
685
686 void MemDetailDiffReporter::old_malloc_site(const MallocSite* malloc_site) const {
687 diff_malloc_site(malloc_site->call_stack(), 0, 0, malloc_site->size(),
688 malloc_site->count(), malloc_site->flags());
689 }
690
691 void MemDetailDiffReporter::diff_malloc_site(const MallocSite* early,
692 const MallocSite* current) const {
693 assert(early->flags() == current->flags(), "Must be the same memory type");
694 diff_malloc_site(current->call_stack(), current->size(), current->count(),
695 early->size(), early->count(), early->flags());
696 }
697
698 void MemDetailDiffReporter::diff_malloc_site(const NativeCallStack* stack, size_t current_size,
699 size_t current_count, size_t early_size, size_t early_count, MEMFLAGS flags) const {
700 outputStream* out = output();
701
702 assert(stack != NULL, "NULL stack");
703
704 if (diff_in_current_scale(current_size, early_size) == 0) {
705 return;
706 }
707
708 stack->print_on(out);
709 out->print("%28s (", " ");
710 print_malloc_diff(current_size, current_count,
711 early_size, early_count, flags);
712
713 out->print_cr(")\n");
714 }
715
716
717 void MemDetailDiffReporter::new_virtual_memory_site(const VirtualMemoryAllocationSite* site) const {
718 diff_virtual_memory_site(site->call_stack(), site->reserved(), site->committed(), 0, 0);
719 }
720
721 void MemDetailDiffReporter::old_virtual_memory_site(const VirtualMemoryAllocationSite* site) const {
722 diff_virtual_memory_site(site->call_stack(), 0, 0, site->reserved(), site->committed());
723 }
724
725 void MemDetailDiffReporter::diff_virtual_memory_site(const VirtualMemoryAllocationSite* early,
726 const VirtualMemoryAllocationSite* current) const {
727 diff_virtual_memory_site(current->call_stack(), current->reserved(), current->committed(),
728 early->reserved(), early->committed());
729 }
730
731 void MemDetailDiffReporter::diff_virtual_memory_site(const NativeCallStack* stack, size_t current_reserved,
732 size_t current_committed, size_t early_reserved, size_t early_committed) const {
733 outputStream* out = output();
734
735 // no change
736 if (diff_in_current_scale(current_reserved, early_reserved) == 0 &&
737 diff_in_current_scale(current_committed, early_committed) == 0) {
738 return;
739 }
740
741 stack->print_on(out);
742 out->print("%28s (mmap: ", " ");
743 print_virtual_memory_diff(current_reserved, current_committed,
744 early_reserved, early_committed);
745
746 out->print_cr(")\n");
747 }
748