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comparison src/share/vm/services/memReporter.cpp @ 6197:d2a62e0f25eb

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6995781: Native Memory Tracking (Phase 1) 7151532: DCmd for hotspot native memory tracking Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd Reviewed-by: acorn, coleenp, fparain
author zgu
date Thu, 28 Jun 2012 17:03:16 -0400
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children 716c64bda5ba
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6174:74533f63b116 6197:d2a62e0f25eb
1 /*
2 * Copyright (c) 2012 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 #include "classfile/systemDictionary.hpp"
26 #include "runtime/os.hpp"
27 #include "services/memReporter.hpp"
28 #include "services/memPtrArray.hpp"
29 #include "services/memTracker.hpp"
30
31 const char* BaselineOutputer::memory_unit(size_t scale) {
32 switch(scale) {
33 case K: return "KB";
34 case M: return "MB";
35 case G: return "GB";
36 }
37 ShouldNotReachHere();
38 return NULL;
39 }
40
41
42 void BaselineReporter::report_baseline(const MemBaseline& baseline, bool summary_only) {
43 assert(MemTracker::is_on(), "Native memory tracking is off");
44 _outputer.start(scale());
45 _outputer.total_usage(
46 amount_in_current_scale(baseline.total_malloc_amount() + baseline.total_reserved_amount()),
47 amount_in_current_scale(baseline.total_malloc_amount() + baseline.total_committed_amount()));
48
49 _outputer.num_of_classes(baseline.number_of_classes());
50 _outputer.num_of_threads(baseline.number_of_threads());
51
52 report_summaries(baseline);
53 if (!summary_only && MemTracker::track_callsite()) {
54 report_callsites(baseline);
55 }
56 _outputer.done();
57 }
58
59 void BaselineReporter::report_summaries(const MemBaseline& baseline) {
60 _outputer.start_category_summary();
61 MEMFLAGS type;
62
63 for (int index = 0; index < NUMBER_OF_MEMORY_TYPE; index ++) {
64 type = MemBaseline::MemType2NameMap[index]._flag;
65 _outputer.category_summary(type,
66 amount_in_current_scale(baseline.reserved_amount(type)),
67 amount_in_current_scale(baseline.committed_amount(type)),
68 amount_in_current_scale(baseline.malloc_amount(type)),
69 baseline.malloc_count(type),
70 amount_in_current_scale(baseline.arena_amount(type)),
71 baseline.arena_count(type));
72 }
73
74 _outputer.done_category_summary();
75 }
76
77 void BaselineReporter::report_callsites(const MemBaseline& baseline) {
78 _outputer.start_callsite();
79 MemBaseline* pBL = const_cast<MemBaseline*>(&baseline);
80
81 pBL->_malloc_cs->sort((FN_SORT)MemBaseline::bl_malloc_sort_by_size);
82 pBL->_vm_cs->sort((FN_SORT)MemBaseline::bl_vm_sort_by_size);
83
84 // walk malloc callsites
85 MemPointerArrayIteratorImpl malloc_itr(pBL->_malloc_cs);
86 MallocCallsitePointer* malloc_callsite =
87 (MallocCallsitePointer*)malloc_itr.current();
88 while (malloc_callsite != NULL) {
89 _outputer.malloc_callsite(malloc_callsite->addr(),
90 amount_in_current_scale(malloc_callsite->amount()), malloc_callsite->count());
91 malloc_callsite = (MallocCallsitePointer*)malloc_itr.next();
92 }
93
94 // walk virtual memory callsite
95 MemPointerArrayIteratorImpl vm_itr(pBL->_vm_cs);
96 VMCallsitePointer* vm_callsite = (VMCallsitePointer*)vm_itr.current();
97 while (vm_callsite != NULL) {
98 _outputer.virtual_memory_callsite(vm_callsite->addr(),
99 amount_in_current_scale(vm_callsite->reserved_amount()),
100 amount_in_current_scale(vm_callsite->committed_amount()));
101 vm_callsite = (VMCallsitePointer*)vm_itr.next();
102 }
103 pBL->_malloc_cs->sort((FN_SORT)MemBaseline::bl_malloc_sort_by_pc);
104 pBL->_vm_cs->sort((FN_SORT)MemBaseline::bl_vm_sort_by_pc);
105 _outputer.done_callsite();
106 }
107
108 void BaselineReporter::diff_baselines(const MemBaseline& cur, const MemBaseline& prev,
109 bool summary_only) {
110 assert(MemTracker::is_on(), "Native memory tracking is off");
111 _outputer.start(scale());
112 size_t total_reserved = cur.total_malloc_amount() + cur.total_reserved_amount();
113 size_t total_committed = cur.total_malloc_amount() + cur.total_committed_amount();
114
115 _outputer.diff_total_usage(
116 amount_in_current_scale(total_reserved), amount_in_current_scale(total_committed),
117 diff_in_current_scale(total_reserved, (prev.total_malloc_amount() + prev.total_reserved_amount())),
118 diff_in_current_scale(total_committed, (prev.total_committed_amount() + prev.total_malloc_amount())));
119
120 _outputer.diff_num_of_classes(cur.number_of_classes(),
121 diff(cur.number_of_classes(), prev.number_of_classes()));
122 _outputer.diff_num_of_threads(cur.number_of_threads(),
123 diff(cur.number_of_threads(), prev.number_of_threads()));
124
125 diff_summaries(cur, prev);
126 if (!summary_only && MemTracker::track_callsite()) {
127 diff_callsites(cur, prev);
128 }
129 _outputer.done();
130 }
131
132 void BaselineReporter::diff_summaries(const MemBaseline& cur, const MemBaseline& prev) {
133 _outputer.start_category_summary();
134 MEMFLAGS type;
135
136 for (int index = 0; index < NUMBER_OF_MEMORY_TYPE; index ++) {
137 type = MemBaseline::MemType2NameMap[index]._flag;
138 _outputer.diff_category_summary(type,
139 amount_in_current_scale(cur.reserved_amount(type)),
140 amount_in_current_scale(cur.committed_amount(type)),
141 amount_in_current_scale(cur.malloc_amount(type)),
142 cur.malloc_count(type),
143 amount_in_current_scale(cur.arena_amount(type)),
144 cur.arena_count(type),
145 diff_in_current_scale(cur.reserved_amount(type), prev.reserved_amount(type)),
146 diff_in_current_scale(cur.committed_amount(type), prev.committed_amount(type)),
147 diff_in_current_scale(cur.malloc_amount(type), prev.malloc_amount(type)),
148 diff(cur.malloc_count(type), prev.malloc_count(type)),
149 diff_in_current_scale(cur.arena_amount(type), prev.arena_amount(type)),
150 diff(cur.arena_count(type), prev.arena_count(type)));
151 }
152
153 _outputer.done_category_summary();
154 }
155
156 void BaselineReporter::diff_callsites(const MemBaseline& cur, const MemBaseline& prev) {
157 _outputer.start_callsite();
158 MemBaseline* pBL_cur = const_cast<MemBaseline*>(&cur);
159 MemBaseline* pBL_prev = const_cast<MemBaseline*>(&prev);
160
161 // walk malloc callsites
162 MemPointerArrayIteratorImpl cur_malloc_itr(pBL_cur->_malloc_cs);
163 MemPointerArrayIteratorImpl prev_malloc_itr(pBL_prev->_malloc_cs);
164
165 MallocCallsitePointer* cur_malloc_callsite =
166 (MallocCallsitePointer*)cur_malloc_itr.current();
167 MallocCallsitePointer* prev_malloc_callsite =
168 (MallocCallsitePointer*)prev_malloc_itr.current();
169
170 while (cur_malloc_callsite != NULL || prev_malloc_callsite != NULL) {
171 if (prev_malloc_callsite == NULL ||
172 cur_malloc_callsite->addr() < prev_malloc_callsite->addr()) {
173 _outputer.diff_malloc_callsite(cur_malloc_callsite->addr(),
174 amount_in_current_scale(cur_malloc_callsite->amount()),
175 cur_malloc_callsite->count(),
176 diff_in_current_scale(cur_malloc_callsite->amount(), 0),
177 diff(cur_malloc_callsite->count(), 0));
178 cur_malloc_callsite = (MallocCallsitePointer*)cur_malloc_itr.next();
179 } else if (prev_malloc_callsite == NULL ||
180 cur_malloc_callsite->addr() > prev_malloc_callsite->addr()) {
181 _outputer.diff_malloc_callsite(cur_malloc_callsite->addr(),
182 amount_in_current_scale(prev_malloc_callsite->amount()),
183 prev_malloc_callsite->count(),
184 diff_in_current_scale(0, prev_malloc_callsite->amount()),
185 diff(0, prev_malloc_callsite->count()));
186 prev_malloc_callsite = (MallocCallsitePointer*)prev_malloc_itr.next();
187 } else { // the same callsite
188 _outputer.diff_malloc_callsite(cur_malloc_callsite->addr(),
189 amount_in_current_scale(cur_malloc_callsite->amount()),
190 cur_malloc_callsite->count(),
191 diff_in_current_scale(cur_malloc_callsite->amount(), prev_malloc_callsite->amount()),
192 diff(cur_malloc_callsite->count(), prev_malloc_callsite->count()));
193 cur_malloc_callsite = (MallocCallsitePointer*)cur_malloc_itr.next();
194 prev_malloc_callsite = (MallocCallsitePointer*)prev_malloc_itr.next();
195 }
196 }
197
198 // walk virtual memory callsite
199 MemPointerArrayIteratorImpl cur_vm_itr(pBL_cur->_vm_cs);
200 MemPointerArrayIteratorImpl prev_vm_itr(pBL_prev->_vm_cs);
201 VMCallsitePointer* cur_vm_callsite = (VMCallsitePointer*)cur_vm_itr.current();
202 VMCallsitePointer* prev_vm_callsite = (VMCallsitePointer*)prev_vm_itr.current();
203 while (cur_vm_callsite != NULL || prev_vm_callsite != NULL) {
204 if (prev_vm_callsite == NULL || cur_vm_callsite->addr() < prev_vm_callsite->addr()) {
205 _outputer.diff_virtual_memory_callsite(cur_vm_callsite->addr(),
206 amount_in_current_scale(cur_vm_callsite->reserved_amount()),
207 amount_in_current_scale(cur_vm_callsite->committed_amount()),
208 diff_in_current_scale(cur_vm_callsite->reserved_amount(), 0),
209 diff_in_current_scale(cur_vm_callsite->committed_amount(), 0));
210 cur_vm_callsite = (VMCallsitePointer*)cur_vm_itr.next();
211 } else if (cur_vm_callsite == NULL || cur_vm_callsite->addr() > prev_vm_callsite->addr()) {
212 _outputer.diff_virtual_memory_callsite(prev_vm_callsite->addr(),
213 amount_in_current_scale(prev_vm_callsite->reserved_amount()),
214 amount_in_current_scale(prev_vm_callsite->committed_amount()),
215 diff_in_current_scale(0, prev_vm_callsite->reserved_amount()),
216 diff_in_current_scale(0, prev_vm_callsite->committed_amount()));
217 prev_vm_callsite = (VMCallsitePointer*)prev_vm_itr.next();
218 } else { // the same callsite
219 _outputer.diff_virtual_memory_callsite(cur_vm_callsite->addr(),
220 amount_in_current_scale(cur_vm_callsite->reserved_amount()),
221 amount_in_current_scale(cur_vm_callsite->committed_amount()),
222 diff_in_current_scale(cur_vm_callsite->reserved_amount(), prev_vm_callsite->reserved_amount()),
223 diff_in_current_scale(cur_vm_callsite->committed_amount(), prev_vm_callsite->committed_amount()));
224 cur_vm_callsite = (VMCallsitePointer*)cur_vm_itr.next();
225 prev_vm_callsite = (VMCallsitePointer*)prev_vm_itr.next();
226 }
227 }
228
229 _outputer.done_callsite();
230 }
231
232 size_t BaselineReporter::amount_in_current_scale(size_t amt) const {
233 return (size_t)(((float)amt/(float)_scale) + 0.5);
234 }
235
236 int BaselineReporter::diff_in_current_scale(size_t value1, size_t value2) const {
237 return (int)(((float)value1 - (float)value2)/((float)_scale) + 0.5);
238 }
239
240 int BaselineReporter::diff(size_t value1, size_t value2) const {
241 return ((int)value1 - (int)value2);
242 }
243
244 void BaselineTTYOutputer::start(size_t scale, bool report_diff) {
245 _scale = scale;
246 _output->print_cr(" ");
247 _output->print_cr("Native Memory Tracking:");
248 _output->print_cr(" ");
249 }
250
251 void BaselineTTYOutputer::done() {
252
253 }
254
255 void BaselineTTYOutputer::total_usage(size_t total_reserved, size_t total_committed) {
256 const char* unit = memory_unit(_scale);
257 _output->print_cr("Total: reserved=%d%s, committed=%d%s",
258 total_reserved, unit, total_committed, unit);
259 }
260
261 void BaselineTTYOutputer::start_category_summary() {
262 _output->print_cr(" ");
263 }
264
265 /**
266 * report a summary of memory type
267 */
268 void BaselineTTYOutputer::category_summary(MEMFLAGS type,
269 size_t reserved_amt, size_t committed_amt, size_t malloc_amt,
270 size_t malloc_count, size_t arena_amt, size_t arena_count) {
271
272 // we report mtThreadStack under mtThread category
273 if (type == mtThreadStack) {
274 assert(malloc_amt == 0 && malloc_count == 0 && arena_amt == 0,
275 "Just check");
276 _thread_stack_reserved = reserved_amt;
277 _thread_stack_committed = committed_amt;
278 } else {
279 const char* unit = memory_unit(_scale);
280 size_t total_reserved = (reserved_amt + malloc_amt + arena_amt);
281 size_t total_committed = (committed_amt + malloc_amt + arena_amt);
282 if (type == mtThread) {
283 total_reserved += _thread_stack_reserved;
284 total_committed += _thread_stack_committed;
285 }
286
287 if (total_reserved > 0) {
288 _output->print_cr("-%26s (reserved=%d%s, committed=%d%s)",
289 MemBaseline::type2name(type), total_reserved, unit,
290 total_committed, unit);
291
292 if (type == mtClass) {
293 _output->print_cr("%27s (classes #%d)", " ", _num_of_classes);
294 } else if (type == mtThread) {
295 _output->print_cr("%27s (thread #%d)", " ", _num_of_threads);
296 _output->print_cr("%27s (stack: reserved=%d%s, committed=%d%s)", " ",
297 _thread_stack_reserved, unit, _thread_stack_committed, unit);
298 }
299
300 if (malloc_amt > 0) {
301 if (type != mtChunk) {
302 _output->print_cr("%27s (malloc=%d%s, #%d)", " ", malloc_amt, unit,
303 malloc_count);
304 } else {
305 _output->print_cr("%27s (malloc=%d%s)", " ", malloc_amt, unit);
306 }
307 }
308
309 if (reserved_amt > 0) {
310 _output->print_cr("%27s (mmap: reserved=%d%s, committed=%d%s)",
311 " ", reserved_amt, unit, committed_amt, unit);
312 }
313
314 if (arena_amt > 0) {
315 _output->print_cr("%27s (arena=%d%s, #%d)", " ", arena_amt, unit, arena_count);
316 }
317
318 _output->print_cr(" ");
319 }
320 }
321 }
322
323 void BaselineTTYOutputer::done_category_summary() {
324 _output->print_cr(" ");
325 }
326
327 void BaselineTTYOutputer::start_callsite() {
328 _output->print_cr("Details:");
329 _output->print_cr(" ");
330 }
331
332 void BaselineTTYOutputer::done_callsite() {
333 _output->print_cr(" ");
334 }
335
336 void BaselineTTYOutputer::malloc_callsite(address pc, size_t malloc_amt,
337 size_t malloc_count) {
338 if (malloc_amt > 0) {
339 const char* unit = memory_unit(_scale);
340 char buf[64];
341 int offset;
342 if (pc == 0) {
343 _output->print("[BOOTSTRAP]%18s", " ");
344 } else if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {
345 _output->print_cr("[" PTR_FORMAT "] %s+0x%x", pc, buf, offset);
346 _output->print("%28s", " ");
347 } else {
348 _output->print("[" PTR_FORMAT "]%18s", pc, " ");
349 }
350
351 _output->print_cr("(malloc=%d%s #%d)", malloc_amt, unit, malloc_count);
352 _output->print_cr(" ");
353 }
354 }
355
356 void BaselineTTYOutputer::virtual_memory_callsite(address pc, size_t reserved_amt,
357 size_t committed_amt) {
358 if (reserved_amt > 0) {
359 const char* unit = memory_unit(_scale);
360 char buf[64];
361 int offset;
362 if (pc == 0) {
363 _output->print("[BOOTSTRAP]%18s", " ");
364 } else if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {
365 _output->print_cr("[" PTR_FORMAT "] %s+0x%x", pc, buf, offset);
366 _output->print("%28s", " ");
367 } else {
368 _output->print("[" PTR_FORMAT "]%18s", " ");
369 }
370
371 _output->print_cr("(mmap: reserved=%d%s, committed=%d%s)",
372 reserved_amt, unit, committed_amt, unit);
373 _output->print_cr(" ");
374 }
375 }
376
377 void BaselineTTYOutputer::diff_total_usage(size_t total_reserved,
378 size_t total_committed, int reserved_diff, int committed_diff) {
379 const char* unit = memory_unit(_scale);
380 _output->print_cr("Total: reserved=%d%s %+d%s, committed=%d%s %+d%s",
381 total_reserved, unit, reserved_diff, unit, total_committed, unit,
382 committed_diff, unit);
383 }
384
385 void BaselineTTYOutputer::diff_category_summary(MEMFLAGS type,
386 size_t cur_reserved_amt, size_t cur_committed_amt,
387 size_t cur_malloc_amt, size_t cur_malloc_count,
388 size_t cur_arena_amt, size_t cur_arena_count,
389 int reserved_diff, int committed_diff, int malloc_diff,
390 int malloc_count_diff, int arena_diff, int arena_count_diff) {
391
392 if (type == mtThreadStack) {
393 assert(cur_malloc_amt == 0 && cur_malloc_count == 0 &&
394 cur_arena_amt == 0, "Just check");
395 _thread_stack_reserved = cur_reserved_amt;
396 _thread_stack_committed = cur_committed_amt;
397 _thread_stack_reserved_diff = reserved_diff;
398 _thread_stack_committed_diff = committed_diff;
399 } else {
400 const char* unit = memory_unit(_scale);
401 size_t total_reserved = (cur_reserved_amt + cur_malloc_amt + cur_arena_amt);
402 // nothing to report in this category
403 if (total_reserved == 0) {
404 return;
405 }
406 int diff_reserved = (reserved_diff + malloc_diff + arena_diff);
407
408 // category summary
409 _output->print("-%26s (reserved=%d%s", MemBaseline::type2name(type),
410 total_reserved, unit);
411
412 if (diff_reserved != 0) {
413 _output->print(" %+d%s", diff_reserved, unit);
414 }
415
416 size_t total_committed = cur_committed_amt + cur_malloc_amt + cur_arena_amt;
417 _output->print(", committed=%d%s", total_committed, unit);
418
419 int total_committed_diff = committed_diff + malloc_diff + arena_diff;
420 if (total_committed_diff != 0) {
421 _output->print(" %+d%s", total_committed_diff, unit);
422 }
423
424 _output->print_cr(")");
425
426 // special cases
427 if (type == mtClass) {
428 _output->print("%27s (classes #%d", " ", _num_of_classes);
429 if (_num_of_classes_diff != 0) {
430 _output->print(" %+d", _num_of_classes_diff);
431 }
432 _output->print_cr(")");
433 } else if (type == mtThread) {
434 // thread count
435 _output->print("%27s (thread #%d", " ", _num_of_threads);
436 if (_num_of_threads_diff != 0) {
437 _output->print_cr(" %+d)", _num_of_threads_diff);
438 } else {
439 _output->print_cr(")");
440 }
441 _output->print("%27s (stack: reserved=%d%s", " ", _thread_stack_reserved, unit);
442 if (_thread_stack_reserved_diff != 0) {
443 _output->print(" %+d%s", _thread_stack_reserved_diff, unit);
444 }
445
446 _output->print(", committed=%d%s", _thread_stack_committed, unit);
447 if (_thread_stack_committed_diff != 0) {
448 _output->print(" %+d%s",_thread_stack_committed_diff, unit);
449 }
450
451 _output->print_cr(")");
452 }
453
454 // malloc'd memory
455 if (cur_malloc_amt > 0) {
456 _output->print("%27s (malloc=%d%s", " ", cur_malloc_amt, unit);
457 if (malloc_diff != 0) {
458 _output->print(" %+d%s", malloc_diff, unit);
459 }
460 if (type != mtChunk) {
461 _output->print(", #%d", cur_malloc_count);
462 if (malloc_count_diff) {
463 _output->print(" %+d", malloc_count_diff);
464 }
465 }
466 _output->print_cr(")");
467 }
468
469 // mmap'd memory
470 if (cur_reserved_amt > 0) {
471 _output->print("%27s (mmap: reserved=%d%s", " ", cur_reserved_amt, unit);
472 if (reserved_diff != 0) {
473 _output->print(" %+d%s", reserved_diff, unit);
474 }
475
476 _output->print(", committed=%d%s", cur_committed_amt, unit);
477 if (committed_diff != 0) {
478 _output->print(" %+d%s", committed_diff, unit);
479 }
480 _output->print_cr(")");
481 }
482
483 // arena memory
484 if (cur_arena_amt > 0) {
485 _output->print("%27s (arena=%d%s", " ", cur_arena_amt, unit);
486 if (arena_diff != 0) {
487 _output->print(" %+d%s", arena_diff, unit);
488 }
489 _output->print(", #%d", cur_arena_count);
490 if (arena_count_diff != 0) {
491 _output->print(" %+d", arena_count_diff);
492 }
493 _output->print_cr(")");
494 }
495
496 _output->print_cr(" ");
497 }
498 }
499
500 void BaselineTTYOutputer::diff_malloc_callsite(address pc,
501 size_t cur_malloc_amt, size_t cur_malloc_count,
502 int malloc_diff, int malloc_count_diff) {
503 if (malloc_diff != 0) {
504 const char* unit = memory_unit(_scale);
505 char buf[64];
506 int offset;
507 if (pc == 0) {
508 _output->print_cr("[BOOTSTRAP]%18s", " ");
509 } else {
510 if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {
511 _output->print_cr("[" PTR_FORMAT "] %s+0x%x", pc, buf, offset);
512 _output->print("%28s", " ");
513 } else {
514 _output->print("[" PTR_FORMAT "]%18s", pc, " ");
515 }
516 }
517
518 _output->print("(malloc=%d%s", cur_malloc_amt, unit);
519 if (malloc_diff != 0) {
520 _output->print(" %+d%s", malloc_diff, unit);
521 }
522 _output->print(", #%d", cur_malloc_count);
523 if (malloc_count_diff != 0) {
524 _output->print(" %+d", malloc_count_diff);
525 }
526 _output->print_cr(")");
527 _output->print_cr(" ");
528 }
529 }
530
531 void BaselineTTYOutputer::diff_virtual_memory_callsite(address pc,
532 size_t cur_reserved_amt, size_t cur_committed_amt,
533 int reserved_diff, int committed_diff) {
534 if (reserved_diff != 0 || committed_diff != 0) {
535 const char* unit = memory_unit(_scale);
536 char buf[64];
537 int offset;
538 if (pc == 0) {
539 _output->print_cr("[BOOSTRAP]%18s", " ");
540 } else {
541 if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {
542 _output->print_cr("[" PTR_FORMAT "] %s+0x%x", pc, buf, offset);
543 _output->print("%28s", " ");
544 } else {
545 _output->print("[" PTR_FORMAT "]%18s", " ");
546 }
547 }
548
549 _output->print("(mmap: reserved=%d%s", cur_reserved_amt, unit);
550 if (reserved_diff != 0) {
551 _output->print(" %+d%s", reserved_diff, unit);
552 }
553 _output->print(", committed=%d%s", cur_committed_amt, unit);
554 if (committed_diff != 0) {
555 _output->print(" %+d%s", committed_diff, unit);
556 }
557 _output->print_cr(")");
558 _output->print_cr(" ");
559 }
560 }