1 /*
   2  * Copyright (c) 2012, 2013, 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 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
  32 
  33 const char* BaselineOutputer::memory_unit(size_t scale) {
  34   switch(scale) {
  35     case K: return "KB";
  36     case M: return "MB";
  37     case G: return "GB";
  38   }
  39   ShouldNotReachHere();
  40   return NULL;
  41 }
  42 
  43 
  44 void BaselineReporter::report_baseline(const MemBaseline& baseline, bool summary_only) {
  45   assert(MemTracker::is_on(), "Native memory tracking is off");
  46   _outputer.start(scale());
  47   _outputer.total_usage(
  48     amount_in_current_scale(baseline.total_malloc_amount() + baseline.total_reserved_amount()),
  49     amount_in_current_scale(baseline.total_malloc_amount() + baseline.total_committed_amount()));
  50 
  51   _outputer.num_of_classes(baseline.number_of_classes());
  52   _outputer.num_of_threads(baseline.number_of_threads());
  53 
  54   report_summaries(baseline);
  55   if (!summary_only && MemTracker::track_callsite()) {
  56     report_virtual_memory_map(baseline);
  57     report_callsites(baseline);
  58   }
  59   _outputer.done();
  60 }
  61 
  62 void BaselineReporter::report_summaries(const MemBaseline& baseline) {
  63   _outputer.start_category_summary();
  64   MEMFLAGS type;
  65 
  66   for (int index = 0; index < NUMBER_OF_MEMORY_TYPE; index ++) {
  67     type = MemBaseline::MemType2NameMap[index]._flag;
  68     _outputer.category_summary(type,
  69       amount_in_current_scale(baseline.reserved_amount(type)),
  70       amount_in_current_scale(baseline.committed_amount(type)),
  71       amount_in_current_scale(baseline.malloc_amount(type)),
  72       baseline.malloc_count(type),
  73       amount_in_current_scale(baseline.arena_amount(type)),
  74       baseline.arena_count(type));
  75   }
  76 
  77   _outputer.done_category_summary();
  78 }
  79 
  80 void BaselineReporter::report_virtual_memory_map(const MemBaseline& baseline) {
  81   _outputer.start_virtual_memory_map();
  82   MemBaseline* pBL = const_cast<MemBaseline*>(&baseline);
  83   MemPointerArrayIteratorImpl itr = MemPointerArrayIteratorImpl(pBL->_vm_map);
  84   VMMemRegionEx* rgn = (VMMemRegionEx*)itr.current();
  85   while (rgn != NULL) {
  86     if (rgn->is_reserved_region()) {
  87       _outputer.reserved_memory_region(FLAGS_TO_MEMORY_TYPE(rgn->flags()),
  88         rgn->base(), rgn->base() + rgn->size(), amount_in_current_scale(rgn->size()), rgn->pc());
  89     } else {
  90       _outputer.committed_memory_region(rgn->base(), rgn->base() + rgn->size(),
  91         amount_in_current_scale(rgn->size()), rgn->pc());
  92     }
  93     rgn = (VMMemRegionEx*)itr.next();
  94   }
  95 
  96   _outputer.done_virtual_memory_map();
  97 }
  98 
  99 void BaselineReporter::report_callsites(const MemBaseline& baseline) {
 100   _outputer.start_callsite();
 101   MemBaseline* pBL = const_cast<MemBaseline*>(&baseline);
 102 
 103   pBL->_malloc_cs->sort((FN_SORT)MemBaseline::bl_malloc_sort_by_size);
 104   pBL->_vm_cs->sort((FN_SORT)MemBaseline::bl_vm_sort_by_size);
 105 
 106   // walk malloc callsites
 107   MemPointerArrayIteratorImpl malloc_itr(pBL->_malloc_cs);
 108   MallocCallsitePointer*      malloc_callsite =
 109                   (MallocCallsitePointer*)malloc_itr.current();
 110   while (malloc_callsite != NULL) {
 111     _outputer.malloc_callsite(malloc_callsite->addr(),
 112         amount_in_current_scale(malloc_callsite->amount()), malloc_callsite->count());
 113     malloc_callsite = (MallocCallsitePointer*)malloc_itr.next();
 114   }
 115 
 116   // walk virtual memory callsite
 117   MemPointerArrayIteratorImpl vm_itr(pBL->_vm_cs);
 118   VMCallsitePointer*          vm_callsite = (VMCallsitePointer*)vm_itr.current();
 119   while (vm_callsite != NULL) {
 120     _outputer.virtual_memory_callsite(vm_callsite->addr(),
 121       amount_in_current_scale(vm_callsite->reserved_amount()),
 122       amount_in_current_scale(vm_callsite->committed_amount()));
 123     vm_callsite = (VMCallsitePointer*)vm_itr.next();
 124   }
 125   pBL->_malloc_cs->sort((FN_SORT)MemBaseline::bl_malloc_sort_by_pc);
 126   pBL->_vm_cs->sort((FN_SORT)MemBaseline::bl_vm_sort_by_pc);
 127   _outputer.done_callsite();
 128 }
 129 
 130 void BaselineReporter::diff_baselines(const MemBaseline& cur, const MemBaseline& prev,
 131   bool summary_only) {
 132   assert(MemTracker::is_on(), "Native memory tracking is off");
 133   _outputer.start(scale());
 134   size_t total_reserved = cur.total_malloc_amount() + cur.total_reserved_amount();
 135   size_t total_committed = cur.total_malloc_amount() + cur.total_committed_amount();
 136 
 137   _outputer.diff_total_usage(
 138     amount_in_current_scale(total_reserved), amount_in_current_scale(total_committed),
 139     diff_in_current_scale(total_reserved,  (prev.total_malloc_amount() + prev.total_reserved_amount())),
 140     diff_in_current_scale(total_committed, (prev.total_committed_amount() + prev.total_malloc_amount())));
 141 
 142   _outputer.diff_num_of_classes(cur.number_of_classes(),
 143        diff(cur.number_of_classes(), prev.number_of_classes()));
 144   _outputer.diff_num_of_threads(cur.number_of_threads(),
 145        diff(cur.number_of_threads(), prev.number_of_threads()));
 146 
 147   diff_summaries(cur, prev);
 148   if (!summary_only && MemTracker::track_callsite()) {
 149     diff_callsites(cur, prev);
 150   }
 151   _outputer.done();
 152 }
 153 
 154 void BaselineReporter::diff_summaries(const MemBaseline& cur, const MemBaseline& prev) {
 155   _outputer.start_category_summary();
 156   MEMFLAGS type;
 157 
 158   for (int index = 0; index < NUMBER_OF_MEMORY_TYPE; index ++) {
 159     type = MemBaseline::MemType2NameMap[index]._flag;
 160     _outputer.diff_category_summary(type,
 161       amount_in_current_scale(cur.reserved_amount(type)),
 162       amount_in_current_scale(cur.committed_amount(type)),
 163       amount_in_current_scale(cur.malloc_amount(type)),
 164       cur.malloc_count(type),
 165       amount_in_current_scale(cur.arena_amount(type)),
 166       cur.arena_count(type),
 167       diff_in_current_scale(cur.reserved_amount(type), prev.reserved_amount(type)),
 168       diff_in_current_scale(cur.committed_amount(type), prev.committed_amount(type)),
 169       diff_in_current_scale(cur.malloc_amount(type), prev.malloc_amount(type)),
 170       diff(cur.malloc_count(type), prev.malloc_count(type)),
 171       diff_in_current_scale(cur.arena_amount(type), prev.arena_amount(type)),
 172       diff(cur.arena_count(type), prev.arena_count(type)));
 173   }
 174 
 175   _outputer.done_category_summary();
 176 }
 177 
 178 void BaselineReporter::diff_callsites(const MemBaseline& cur, const MemBaseline& prev) {
 179   _outputer.start_callsite();
 180   MemBaseline* pBL_cur = const_cast<MemBaseline*>(&cur);
 181   MemBaseline* pBL_prev = const_cast<MemBaseline*>(&prev);
 182 
 183   // walk malloc callsites
 184   MemPointerArrayIteratorImpl cur_malloc_itr(pBL_cur->_malloc_cs);
 185   MemPointerArrayIteratorImpl prev_malloc_itr(pBL_prev->_malloc_cs);
 186 
 187   MallocCallsitePointer*      cur_malloc_callsite =
 188                   (MallocCallsitePointer*)cur_malloc_itr.current();
 189   MallocCallsitePointer*      prev_malloc_callsite =
 190                   (MallocCallsitePointer*)prev_malloc_itr.current();
 191 
 192   while (cur_malloc_callsite != NULL || prev_malloc_callsite != NULL) {
 193     if (prev_malloc_callsite == NULL) {
 194       assert(cur_malloc_callsite != NULL, "sanity check");
 195       // this is a new callsite
 196       _outputer.diff_malloc_callsite(cur_malloc_callsite->addr(),
 197         amount_in_current_scale(cur_malloc_callsite->amount()),
 198         cur_malloc_callsite->count(),
 199         diff_in_current_scale(cur_malloc_callsite->amount(), 0),
 200         diff(cur_malloc_callsite->count(), 0));
 201       cur_malloc_callsite = (MallocCallsitePointer*)cur_malloc_itr.next();
 202     } else if (cur_malloc_callsite == NULL) {
 203       assert(prev_malloc_callsite != NULL, "Sanity check");
 204       // this callsite is already gone
 205       _outputer.diff_malloc_callsite(prev_malloc_callsite->addr(),
 206         0, 0,
 207         diff_in_current_scale(0, prev_malloc_callsite->amount()),
 208         diff(0, prev_malloc_callsite->count()));
 209       prev_malloc_callsite = (MallocCallsitePointer*)prev_malloc_itr.next();
 210     } else {
 211       assert(cur_malloc_callsite  != NULL,  "Sanity check");
 212       assert(prev_malloc_callsite != NULL,  "Sanity check");
 213       if (cur_malloc_callsite->addr() < prev_malloc_callsite->addr()) {
 214         // this is a new callsite
 215         _outputer.diff_malloc_callsite(cur_malloc_callsite->addr(),
 216           amount_in_current_scale(cur_malloc_callsite->amount()),
 217           cur_malloc_callsite->count(),
 218           diff_in_current_scale(cur_malloc_callsite->amount(), 0),
 219           diff(cur_malloc_callsite->count(), 0));
 220           cur_malloc_callsite = (MallocCallsitePointer*)cur_malloc_itr.next();
 221       } else if (cur_malloc_callsite->addr() > prev_malloc_callsite->addr()) {
 222         // this callsite is already gone
 223         _outputer.diff_malloc_callsite(prev_malloc_callsite->addr(),
 224           0, 0,
 225           diff_in_current_scale(0, prev_malloc_callsite->amount()),
 226           diff(0, prev_malloc_callsite->count()));
 227         prev_malloc_callsite = (MallocCallsitePointer*)prev_malloc_itr.next();
 228       } else {
 229         // the same callsite
 230         _outputer.diff_malloc_callsite(cur_malloc_callsite->addr(),
 231           amount_in_current_scale(cur_malloc_callsite->amount()),
 232           cur_malloc_callsite->count(),
 233           diff_in_current_scale(cur_malloc_callsite->amount(), prev_malloc_callsite->amount()),
 234           diff(cur_malloc_callsite->count(), prev_malloc_callsite->count()));
 235         cur_malloc_callsite = (MallocCallsitePointer*)cur_malloc_itr.next();
 236         prev_malloc_callsite = (MallocCallsitePointer*)prev_malloc_itr.next();
 237       }
 238     }
 239   }
 240 
 241   // walk virtual memory callsite
 242   MemPointerArrayIteratorImpl cur_vm_itr(pBL_cur->_vm_cs);
 243   MemPointerArrayIteratorImpl prev_vm_itr(pBL_prev->_vm_cs);
 244   VMCallsitePointer*          cur_vm_callsite = (VMCallsitePointer*)cur_vm_itr.current();
 245   VMCallsitePointer*          prev_vm_callsite = (VMCallsitePointer*)prev_vm_itr.current();
 246   while (cur_vm_callsite != NULL || prev_vm_callsite != NULL) {
 247     if (prev_vm_callsite == NULL || cur_vm_callsite->addr() < prev_vm_callsite->addr()) {
 248       // this is a new callsite
 249       _outputer.diff_virtual_memory_callsite(cur_vm_callsite->addr(),
 250         amount_in_current_scale(cur_vm_callsite->reserved_amount()),
 251         amount_in_current_scale(cur_vm_callsite->committed_amount()),
 252         diff_in_current_scale(cur_vm_callsite->reserved_amount(), 0),
 253         diff_in_current_scale(cur_vm_callsite->committed_amount(), 0));
 254       cur_vm_callsite = (VMCallsitePointer*)cur_vm_itr.next();
 255     } else if (cur_vm_callsite == NULL || cur_vm_callsite->addr() > prev_vm_callsite->addr()) {
 256       // this callsite is already gone
 257       _outputer.diff_virtual_memory_callsite(prev_vm_callsite->addr(),
 258         amount_in_current_scale(0),
 259         amount_in_current_scale(0),
 260         diff_in_current_scale(0, prev_vm_callsite->reserved_amount()),
 261         diff_in_current_scale(0, prev_vm_callsite->committed_amount()));
 262       prev_vm_callsite = (VMCallsitePointer*)prev_vm_itr.next();
 263     } else { // the same callsite
 264       _outputer.diff_virtual_memory_callsite(cur_vm_callsite->addr(),
 265         amount_in_current_scale(cur_vm_callsite->reserved_amount()),
 266         amount_in_current_scale(cur_vm_callsite->committed_amount()),
 267         diff_in_current_scale(cur_vm_callsite->reserved_amount(), prev_vm_callsite->reserved_amount()),
 268         diff_in_current_scale(cur_vm_callsite->committed_amount(), prev_vm_callsite->committed_amount()));
 269       cur_vm_callsite  = (VMCallsitePointer*)cur_vm_itr.next();
 270       prev_vm_callsite = (VMCallsitePointer*)prev_vm_itr.next();
 271     }
 272   }
 273 
 274   _outputer.done_callsite();
 275 }
 276 
 277 size_t BaselineReporter::amount_in_current_scale(size_t amt) const {
 278   return (size_t)(((float)amt/(float)_scale) + 0.5);
 279 }
 280 
 281 int BaselineReporter::diff_in_current_scale(size_t value1, size_t value2) const {
 282   return (int)(((float)value1 - (float)value2)/((float)_scale) + 0.5);
 283 }
 284 
 285 int BaselineReporter::diff(size_t value1, size_t value2) const {
 286   return ((int)value1 - (int)value2);
 287 }
 288 
 289 void BaselineTTYOutputer::start(size_t scale, bool report_diff) {
 290   _scale = scale;
 291   _output->print_cr(" ");
 292   _output->print_cr("Native Memory Tracking:");
 293   _output->print_cr(" ");
 294 }
 295 
 296 void BaselineTTYOutputer::done() {
 297 
 298 }
 299 
 300 void BaselineTTYOutputer::total_usage(size_t total_reserved, size_t total_committed) {
 301   const char* unit = memory_unit(_scale);
 302   _output->print_cr("Total:  reserved=%d%s,  committed=%d%s",
 303     total_reserved, unit, total_committed, unit);
 304 }
 305 
 306 void BaselineTTYOutputer::start_category_summary() {
 307   _output->print_cr(" ");
 308 }
 309 
 310 /**
 311  * report a summary of memory type
 312  */
 313 void BaselineTTYOutputer::category_summary(MEMFLAGS type,
 314   size_t reserved_amt, size_t committed_amt, size_t malloc_amt,
 315   size_t malloc_count, size_t arena_amt, size_t arena_count) {
 316 
 317   // we report mtThreadStack under mtThread category
 318   if (type == mtThreadStack) {
 319     assert(malloc_amt == 0 && malloc_count == 0 && arena_amt == 0,
 320       "Just check");
 321     _thread_stack_reserved = reserved_amt;
 322     _thread_stack_committed = committed_amt;
 323   } else {
 324     const char* unit = memory_unit(_scale);
 325     size_t total_reserved = (reserved_amt + malloc_amt + arena_amt);
 326     size_t total_committed = (committed_amt + malloc_amt + arena_amt);
 327     if (type == mtThread) {
 328       total_reserved += _thread_stack_reserved;
 329       total_committed += _thread_stack_committed;
 330     }
 331 
 332     if (total_reserved > 0) {
 333       _output->print_cr("-%26s (reserved=%d%s, committed=%d%s)",
 334         MemBaseline::type2name(type), total_reserved, unit,
 335         total_committed, unit);
 336 
 337       if (type == mtClass) {
 338         _output->print_cr("%27s (classes #%d)", " ", _num_of_classes);
 339       } else if (type == mtThread) {
 340         _output->print_cr("%27s (thread #%d)", " ", _num_of_threads);
 341         _output->print_cr("%27s (stack: reserved=%d%s, committed=%d%s)", " ",
 342           _thread_stack_reserved, unit, _thread_stack_committed, unit);
 343       }
 344 
 345       if (malloc_amt > 0) {
 346         if (type != mtChunk) {
 347           _output->print_cr("%27s (malloc=%d%s, #%d)", " ", malloc_amt, unit,
 348             malloc_count);
 349         } else {
 350           _output->print_cr("%27s (malloc=%d%s)", " ", malloc_amt, unit);
 351         }
 352       }
 353 
 354       if (reserved_amt > 0) {
 355         _output->print_cr("%27s (mmap: reserved=%d%s, committed=%d%s)",
 356           " ", reserved_amt, unit, committed_amt, unit);
 357       }
 358 
 359       if (arena_amt > 0) {
 360         _output->print_cr("%27s (arena=%d%s, #%d)", " ", arena_amt, unit, arena_count);
 361       }
 362 
 363       _output->print_cr(" ");
 364     }
 365   }
 366 }
 367 
 368 void BaselineTTYOutputer::done_category_summary() {
 369   _output->print_cr(" ");
 370 }
 371 
 372 
 373 void BaselineTTYOutputer::start_virtual_memory_map() {
 374   _output->print_cr("Virtual memory map:");
 375 }
 376 
 377 void BaselineTTYOutputer::reserved_memory_region(MEMFLAGS type, address base, address end,
 378                                                  size_t size, address pc) {
 379   const char* unit = memory_unit(_scale);
 380   char buf[128];
 381   int  offset;
 382   _output->print_cr(" ");
 383   _output->print_cr("[" PTR_FORMAT " - " PTR_FORMAT "] reserved %d%s for %s", base, end, size, unit,
 384             MemBaseline::type2name(type));
 385   if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {
 386       _output->print_cr("\t\tfrom [%s+0x%x]", buf, offset);
 387   }
 388 }
 389 
 390 void BaselineTTYOutputer::committed_memory_region(address base, address end, size_t size, address pc) {
 391   const char* unit = memory_unit(_scale);
 392   char buf[128];
 393   int  offset;
 394   _output->print("\t[" PTR_FORMAT " - " PTR_FORMAT "] committed %d%s", base, end, size, unit);
 395   if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {
 396       _output->print_cr(" from [%s+0x%x]", buf, offset);
 397   }
 398 }
 399 
 400 void BaselineTTYOutputer::done_virtual_memory_map() {
 401   _output->print_cr(" ");
 402 }
 403 
 404 
 405 
 406 void BaselineTTYOutputer::start_callsite() {
 407   _output->print_cr("Details:");
 408   _output->print_cr(" ");
 409 }
 410 
 411 void BaselineTTYOutputer::done_callsite() {
 412   _output->print_cr(" ");
 413 }
 414 
 415 void BaselineTTYOutputer::malloc_callsite(address pc, size_t malloc_amt,
 416   size_t malloc_count) {
 417   if (malloc_amt > 0) {
 418     const char* unit = memory_unit(_scale);
 419     char buf[128];
 420     int  offset;
 421     if (pc == 0) {
 422       _output->print("[BOOTSTRAP]%18s", " ");
 423     } else if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {
 424       _output->print_cr("[" PTR_FORMAT "] %s+0x%x", pc, buf, offset);
 425       _output->print("%28s", " ");
 426     } else {
 427       _output->print("[" PTR_FORMAT "]%18s", pc, " ");
 428     }
 429 
 430     _output->print_cr("(malloc=%d%s #%d)", malloc_amt, unit, malloc_count);
 431     _output->print_cr(" ");
 432   }
 433 }
 434 
 435 void BaselineTTYOutputer::virtual_memory_callsite(address pc, size_t reserved_amt,
 436   size_t committed_amt) {
 437   if (reserved_amt > 0) {
 438     const char* unit = memory_unit(_scale);
 439     char buf[128];
 440     int  offset;
 441     if (pc == 0) {
 442       _output->print("[BOOTSTRAP]%18s", " ");
 443     } else if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {
 444       _output->print_cr("[" PTR_FORMAT "] %s+0x%x", pc, buf, offset);
 445       _output->print("%28s", " ");
 446     } else {
 447       _output->print("[" PTR_FORMAT "]%18s", pc, " ");
 448     }
 449 
 450     _output->print_cr("(mmap: reserved=%d%s, committed=%d%s)",
 451       reserved_amt, unit, committed_amt, unit);
 452     _output->print_cr(" ");
 453   }
 454 }
 455 
 456 void BaselineTTYOutputer::diff_total_usage(size_t total_reserved,
 457   size_t total_committed, int reserved_diff, int committed_diff) {
 458   const char* unit = memory_unit(_scale);
 459   _output->print_cr("Total:  reserved=%d%s  %+d%s, committed=%d%s %+d%s",
 460     total_reserved, unit, reserved_diff, unit, total_committed, unit,
 461     committed_diff, unit);
 462 }
 463 
 464 void BaselineTTYOutputer::diff_category_summary(MEMFLAGS type,
 465   size_t cur_reserved_amt, size_t cur_committed_amt,
 466   size_t cur_malloc_amt, size_t cur_malloc_count,
 467   size_t cur_arena_amt, size_t cur_arena_count,
 468   int reserved_diff, int committed_diff, int malloc_diff,
 469   int malloc_count_diff, int arena_diff, int arena_count_diff) {
 470 
 471   if (type == mtThreadStack) {
 472     assert(cur_malloc_amt == 0 && cur_malloc_count == 0 &&
 473       cur_arena_amt == 0, "Just check");
 474     _thread_stack_reserved = cur_reserved_amt;
 475     _thread_stack_committed = cur_committed_amt;
 476     _thread_stack_reserved_diff = reserved_diff;
 477     _thread_stack_committed_diff = committed_diff;
 478   } else {
 479     const char* unit = memory_unit(_scale);
 480     size_t total_reserved = (cur_reserved_amt + cur_malloc_amt + cur_arena_amt);
 481     // nothing to report in this category
 482     if (total_reserved == 0) {
 483       return;
 484     }
 485     int    diff_reserved = (reserved_diff + malloc_diff + arena_diff);
 486 
 487     // category summary
 488     _output->print("-%26s (reserved=%d%s", MemBaseline::type2name(type),
 489       total_reserved, unit);
 490 
 491     if (diff_reserved != 0) {
 492       _output->print(" %+d%s", diff_reserved, unit);
 493     }
 494 
 495     size_t total_committed = cur_committed_amt + cur_malloc_amt + cur_arena_amt;
 496     _output->print(", committed=%d%s", total_committed, unit);
 497 
 498     int total_committed_diff = committed_diff + malloc_diff + arena_diff;
 499     if (total_committed_diff != 0) {
 500       _output->print(" %+d%s", total_committed_diff, unit);
 501     }
 502 
 503     _output->print_cr(")");
 504 
 505     // special cases
 506     if (type == mtClass) {
 507       _output->print("%27s (classes #%d", " ", _num_of_classes);
 508       if (_num_of_classes_diff != 0) {
 509         _output->print(" %+d", _num_of_classes_diff);
 510       }
 511       _output->print_cr(")");
 512     } else if (type == mtThread) {
 513       // thread count
 514       _output->print("%27s (thread #%d", " ", _num_of_threads);
 515       if (_num_of_threads_diff != 0) {
 516         _output->print_cr(" %+d)", _num_of_threads_diff);
 517       } else {
 518         _output->print_cr(")");
 519       }
 520       _output->print("%27s (stack: reserved=%d%s", " ", _thread_stack_reserved, unit);
 521       if (_thread_stack_reserved_diff != 0) {
 522         _output->print(" %+d%s", _thread_stack_reserved_diff, unit);
 523       }
 524 
 525       _output->print(", committed=%d%s", _thread_stack_committed, unit);
 526       if (_thread_stack_committed_diff != 0) {
 527         _output->print(" %+d%s",_thread_stack_committed_diff, unit);
 528       }
 529 
 530       _output->print_cr(")");
 531     }
 532 
 533     // malloc'd memory
 534     if (cur_malloc_amt > 0) {
 535       _output->print("%27s (malloc=%d%s", " ", cur_malloc_amt, unit);
 536       if (malloc_diff != 0) {
 537         _output->print(" %+d%s", malloc_diff, unit);
 538       }
 539       if (type != mtChunk) {
 540         _output->print(", #%d", cur_malloc_count);
 541         if (malloc_count_diff) {
 542           _output->print(" %+d", malloc_count_diff);
 543         }
 544       }
 545       _output->print_cr(")");
 546     }
 547 
 548     // mmap'd memory
 549     if (cur_reserved_amt > 0) {
 550       _output->print("%27s (mmap: reserved=%d%s", " ", cur_reserved_amt, unit);
 551       if (reserved_diff != 0) {
 552         _output->print(" %+d%s", reserved_diff, unit);
 553       }
 554 
 555       _output->print(", committed=%d%s", cur_committed_amt, unit);
 556       if (committed_diff != 0) {
 557         _output->print(" %+d%s", committed_diff, unit);
 558       }
 559       _output->print_cr(")");
 560     }
 561 
 562     // arena memory
 563     if (cur_arena_amt > 0) {
 564       _output->print("%27s (arena=%d%s", " ", cur_arena_amt, unit);
 565       if (arena_diff != 0) {
 566         _output->print(" %+d%s", arena_diff, unit);
 567       }
 568       _output->print(", #%d", cur_arena_count);
 569       if (arena_count_diff != 0) {
 570         _output->print(" %+d", arena_count_diff);
 571       }
 572       _output->print_cr(")");
 573     }
 574 
 575     _output->print_cr(" ");
 576   }
 577 }
 578 
 579 void BaselineTTYOutputer::diff_malloc_callsite(address pc,
 580     size_t cur_malloc_amt, size_t cur_malloc_count,
 581     int malloc_diff, int malloc_count_diff) {
 582   if (malloc_diff != 0) {
 583     const char* unit = memory_unit(_scale);
 584     char buf[128];
 585     int  offset;
 586     if (pc == 0) {
 587       _output->print_cr("[BOOTSTRAP]%18s", " ");
 588     } else {
 589       if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {
 590         _output->print_cr("[" PTR_FORMAT "] %s+0x%x", pc, buf, offset);
 591         _output->print("%28s", " ");
 592       } else {
 593         _output->print("[" PTR_FORMAT "]%18s", pc, " ");
 594       }
 595     }
 596 
 597     _output->print("(malloc=%d%s", cur_malloc_amt, unit);
 598     if (malloc_diff != 0) {
 599       _output->print(" %+d%s", malloc_diff, unit);
 600     }
 601     _output->print(", #%d", cur_malloc_count);
 602     if (malloc_count_diff != 0) {
 603       _output->print(" %+d", malloc_count_diff);
 604     }
 605     _output->print_cr(")");
 606     _output->print_cr(" ");
 607   }
 608 }
 609 
 610 void BaselineTTYOutputer::diff_virtual_memory_callsite(address pc,
 611     size_t cur_reserved_amt, size_t cur_committed_amt,
 612     int reserved_diff, int committed_diff) {
 613   if (reserved_diff != 0 || committed_diff != 0) {
 614     const char* unit = memory_unit(_scale);
 615     char buf[64];
 616     int  offset;
 617     if (pc == 0) {
 618       _output->print_cr("[BOOSTRAP]%18s", " ");
 619     } else {
 620       if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {
 621         _output->print_cr("[" PTR_FORMAT "] %s+0x%x", pc, buf, offset);
 622         _output->print("%28s", " ");
 623       } else {
 624         _output->print("[" PTR_FORMAT "]%18s", pc, " ");
 625       }
 626     }
 627 
 628     _output->print("(mmap: reserved=%d%s", cur_reserved_amt, unit);
 629     if (reserved_diff != 0) {
 630       _output->print(" %+d%s", reserved_diff, unit);
 631     }
 632     _output->print(", committed=%d%s", cur_committed_amt, unit);
 633     if (committed_diff != 0) {
 634       _output->print(" %+d%s", committed_diff, unit);
 635     }
 636     _output->print_cr(")");
 637     _output->print_cr(" ");
 638   }
 639 }