Mercurial > jdk8-mips64-public > hotspot / file revision

 /*

  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  *

  */

 #include "precompiled.hpp"

 #include "classfile/systemDictionary.hpp"

 #include "runtime/os.hpp"

 #include "services/memReporter.hpp"

 #include "services/memPtrArray.hpp"

 #include "services/memTracker.hpp"

 const char* BaselineOutputer::memory_unit(size_t scale) {

   switch(scale) {

     case K: return "KB";

     case M: return "MB";

     case G: return "GB";

   }

   ShouldNotReachHere();

   return NULL;

 }

 void BaselineReporter::report_baseline(const MemBaseline& baseline, bool summary_only) {

   assert(MemTracker::is_on(), "Native memory tracking is off");

   _outputer.start(scale());

   _outputer.total_usage(

     amount_in_current_scale(baseline.total_malloc_amount() + baseline.total_reserved_amount()),

     amount_in_current_scale(baseline.total_malloc_amount() + baseline.total_committed_amount()));

   _outputer.num_of_classes(baseline.number_of_classes());

   _outputer.num_of_threads(baseline.number_of_threads());

   report_summaries(baseline);

   if (!summary_only && MemTracker::track_callsite()) {

     report_virtual_memory_map(baseline);

     report_callsites(baseline);

   }

   _outputer.done();

 }

 void BaselineReporter::report_summaries(const MemBaseline& baseline) {

   _outputer.start_category_summary();

   MEMFLAGS type;

   for (int index = 0; index < NUMBER_OF_MEMORY_TYPE; index ++) {

     type = MemBaseline::MemType2NameMap[index]._flag;

     _outputer.category_summary(type,

       amount_in_current_scale(baseline.reserved_amount(type)),

       amount_in_current_scale(baseline.committed_amount(type)),

       amount_in_current_scale(baseline.malloc_amount(type)),

       baseline.malloc_count(type),

       amount_in_current_scale(baseline.arena_amount(type)),

       baseline.arena_count(type));

   }

   _outputer.done_category_summary();

 }

 void BaselineReporter::report_virtual_memory_map(const MemBaseline& baseline) {

   _outputer.start_virtual_memory_map();

   MemBaseline* pBL = const_cast<MemBaseline*>(&baseline);

   MemPointerArrayIteratorImpl itr = MemPointerArrayIteratorImpl(pBL->_vm_map);

   VMMemRegionEx* rgn = (VMMemRegionEx*)itr.current();

   while (rgn != NULL) {

     if (rgn->is_reserved_region()) {

       _outputer.reserved_memory_region(FLAGS_TO_MEMORY_TYPE(rgn->flags()),

         rgn->base(), rgn->base() + rgn->size(), amount_in_current_scale(rgn->size()), rgn->pc());

     } else {

       _outputer.committed_memory_region(rgn->base(), rgn->base() + rgn->size(),

         amount_in_current_scale(rgn->size()), rgn->pc());

     }

     rgn = (VMMemRegionEx*)itr.next();

   }

   _outputer.done_virtual_memory_map();

 }

 void BaselineReporter::report_callsites(const MemBaseline& baseline) {

   _outputer.start_callsite();

   MemBaseline* pBL = const_cast<MemBaseline*>(&baseline);

   pBL->_malloc_cs->sort((FN_SORT)MemBaseline::bl_malloc_sort_by_size);

   pBL->_vm_cs->sort((FN_SORT)MemBaseline::bl_vm_sort_by_size);

   // walk malloc callsites

   MemPointerArrayIteratorImpl malloc_itr(pBL->_malloc_cs);

   MallocCallsitePointer*      malloc_callsite =

                   (MallocCallsitePointer*)malloc_itr.current();

   while (malloc_callsite != NULL) {

     _outputer.malloc_callsite(malloc_callsite->addr(),

         amount_in_current_scale(malloc_callsite->amount()), malloc_callsite->count());

     malloc_callsite = (MallocCallsitePointer*)malloc_itr.next();

   }

   // walk virtual memory callsite

   MemPointerArrayIteratorImpl vm_itr(pBL->_vm_cs);

   VMCallsitePointer*          vm_callsite = (VMCallsitePointer*)vm_itr.current();

   while (vm_callsite != NULL) {

     _outputer.virtual_memory_callsite(vm_callsite->addr(),

       amount_in_current_scale(vm_callsite->reserved_amount()),

       amount_in_current_scale(vm_callsite->committed_amount()));

     vm_callsite = (VMCallsitePointer*)vm_itr.next();

   }

   pBL->_malloc_cs->sort((FN_SORT)MemBaseline::bl_malloc_sort_by_pc);

   pBL->_vm_cs->sort((FN_SORT)MemBaseline::bl_vm_sort_by_pc);

   _outputer.done_callsite();

 }

 void BaselineReporter::diff_baselines(const MemBaseline& cur, const MemBaseline& prev,

   bool summary_only) {

   assert(MemTracker::is_on(), "Native memory tracking is off");

   _outputer.start(scale());

   size_t total_reserved = cur.total_malloc_amount() + cur.total_reserved_amount();

   size_t total_committed = cur.total_malloc_amount() + cur.total_committed_amount();

   _outputer.diff_total_usage(

     amount_in_current_scale(total_reserved), amount_in_current_scale(total_committed),

     diff_in_current_scale(total_reserved,  (prev.total_malloc_amount() + prev.total_reserved_amount())),

     diff_in_current_scale(total_committed, (prev.total_committed_amount() + prev.total_malloc_amount())));

   _outputer.diff_num_of_classes(cur.number_of_classes(),

        diff(cur.number_of_classes(), prev.number_of_classes()));

   _outputer.diff_num_of_threads(cur.number_of_threads(),

        diff(cur.number_of_threads(), prev.number_of_threads()));

   diff_summaries(cur, prev);

   if (!summary_only && MemTracker::track_callsite()) {

     diff_callsites(cur, prev);

   }

   _outputer.done();

 }

 void BaselineReporter::diff_summaries(const MemBaseline& cur, const MemBaseline& prev) {

   _outputer.start_category_summary();

   MEMFLAGS type;

   for (int index = 0; index < NUMBER_OF_MEMORY_TYPE; index ++) {

     type = MemBaseline::MemType2NameMap[index]._flag;

     _outputer.diff_category_summary(type,

       amount_in_current_scale(cur.reserved_amount(type)),

       amount_in_current_scale(cur.committed_amount(type)),

       amount_in_current_scale(cur.malloc_amount(type)),

       cur.malloc_count(type),

       amount_in_current_scale(cur.arena_amount(type)),

       cur.arena_count(type),

       diff_in_current_scale(cur.reserved_amount(type), prev.reserved_amount(type)),

       diff_in_current_scale(cur.committed_amount(type), prev.committed_amount(type)),

       diff_in_current_scale(cur.malloc_amount(type), prev.malloc_amount(type)),

       diff(cur.malloc_count(type), prev.malloc_count(type)),

       diff_in_current_scale(cur.arena_amount(type), prev.arena_amount(type)),

       diff(cur.arena_count(type), prev.arena_count(type)));

   }

   _outputer.done_category_summary();

 }

 void BaselineReporter::diff_callsites(const MemBaseline& cur, const MemBaseline& prev) {

   _outputer.start_callsite();

   MemBaseline* pBL_cur = const_cast<MemBaseline*>(&cur);

   MemBaseline* pBL_prev = const_cast<MemBaseline*>(&prev);

   // walk malloc callsites

   MemPointerArrayIteratorImpl cur_malloc_itr(pBL_cur->_malloc_cs);

   MemPointerArrayIteratorImpl prev_malloc_itr(pBL_prev->_malloc_cs);

   MallocCallsitePointer*      cur_malloc_callsite =

                   (MallocCallsitePointer*)cur_malloc_itr.current();

   MallocCallsitePointer*      prev_malloc_callsite =

                   (MallocCallsitePointer*)prev_malloc_itr.current();

   while (cur_malloc_callsite != NULL || prev_malloc_callsite != NULL) {

     if (prev_malloc_callsite == NULL ||

         cur_malloc_callsite->addr() < prev_malloc_callsite->addr()) {

       _outputer.diff_malloc_callsite(cur_malloc_callsite->addr(),

         amount_in_current_scale(cur_malloc_callsite->amount()),

         cur_malloc_callsite->count(),

         diff_in_current_scale(cur_malloc_callsite->amount(), 0),

         diff(cur_malloc_callsite->count(), 0));

       cur_malloc_callsite = (MallocCallsitePointer*)cur_malloc_itr.next();

     } else if (prev_malloc_callsite == NULL ||

                cur_malloc_callsite->addr() > prev_malloc_callsite->addr()) {

       _outputer.diff_malloc_callsite(cur_malloc_callsite->addr(),

         amount_in_current_scale(prev_malloc_callsite->amount()),

         prev_malloc_callsite->count(),

         diff_in_current_scale(0, prev_malloc_callsite->amount()),

         diff(0, prev_malloc_callsite->count()));

       prev_malloc_callsite = (MallocCallsitePointer*)prev_malloc_itr.next();

     } else {  // the same callsite

       _outputer.diff_malloc_callsite(cur_malloc_callsite->addr(),

         amount_in_current_scale(cur_malloc_callsite->amount()),

         cur_malloc_callsite->count(),

         diff_in_current_scale(cur_malloc_callsite->amount(), prev_malloc_callsite->amount()),

         diff(cur_malloc_callsite->count(), prev_malloc_callsite->count()));

       cur_malloc_callsite = (MallocCallsitePointer*)cur_malloc_itr.next();

       prev_malloc_callsite = (MallocCallsitePointer*)prev_malloc_itr.next();

     }

   }

   // walk virtual memory callsite

   MemPointerArrayIteratorImpl cur_vm_itr(pBL_cur->_vm_cs);

   MemPointerArrayIteratorImpl prev_vm_itr(pBL_prev->_vm_cs);

   VMCallsitePointer*          cur_vm_callsite = (VMCallsitePointer*)cur_vm_itr.current();

   VMCallsitePointer*          prev_vm_callsite = (VMCallsitePointer*)prev_vm_itr.current();

   while (cur_vm_callsite != NULL || prev_vm_callsite != NULL) {

     if (prev_vm_callsite == NULL || cur_vm_callsite->addr() < prev_vm_callsite->addr()) {

       _outputer.diff_virtual_memory_callsite(cur_vm_callsite->addr(),

         amount_in_current_scale(cur_vm_callsite->reserved_amount()),

         amount_in_current_scale(cur_vm_callsite->committed_amount()),

         diff_in_current_scale(cur_vm_callsite->reserved_amount(), 0),

         diff_in_current_scale(cur_vm_callsite->committed_amount(), 0));

       cur_vm_callsite = (VMCallsitePointer*)cur_vm_itr.next();

     } else if (cur_vm_callsite == NULL || cur_vm_callsite->addr() > prev_vm_callsite->addr()) {

       _outputer.diff_virtual_memory_callsite(prev_vm_callsite->addr(),

         amount_in_current_scale(prev_vm_callsite->reserved_amount()),

         amount_in_current_scale(prev_vm_callsite->committed_amount()),

         diff_in_current_scale(0, prev_vm_callsite->reserved_amount()),

         diff_in_current_scale(0, prev_vm_callsite->committed_amount()));

       prev_vm_callsite = (VMCallsitePointer*)prev_vm_itr.next();

     } else { // the same callsite

       _outputer.diff_virtual_memory_callsite(cur_vm_callsite->addr(),

         amount_in_current_scale(cur_vm_callsite->reserved_amount()),

         amount_in_current_scale(cur_vm_callsite->committed_amount()),

         diff_in_current_scale(cur_vm_callsite->reserved_amount(), prev_vm_callsite->reserved_amount()),

         diff_in_current_scale(cur_vm_callsite->committed_amount(), prev_vm_callsite->committed_amount()));

       cur_vm_callsite  = (VMCallsitePointer*)cur_vm_itr.next();

       prev_vm_callsite = (VMCallsitePointer*)prev_vm_itr.next();

     }

   }

   _outputer.done_callsite();

 }

 size_t BaselineReporter::amount_in_current_scale(size_t amt) const {

   return (size_t)(((float)amt/(float)_scale) + 0.5);

 }

 int BaselineReporter::diff_in_current_scale(size_t value1, size_t value2) const {

   return (int)(((float)value1 - (float)value2)/((float)_scale) + 0.5);

 }

 int BaselineReporter::diff(size_t value1, size_t value2) const {

   return ((int)value1 - (int)value2);

 }

 void BaselineTTYOutputer::start(size_t scale, bool report_diff) {

   _scale = scale;

   _output->print_cr(" ");

   _output->print_cr("Native Memory Tracking:");

   _output->print_cr(" ");

 }

 void BaselineTTYOutputer::done() {

 }

 void BaselineTTYOutputer::total_usage(size_t total_reserved, size_t total_committed) {

   const char* unit = memory_unit(_scale);

   _output->print_cr("Total:  reserved=%d%s,  committed=%d%s",

     total_reserved, unit, total_committed, unit);

 }

 void BaselineTTYOutputer::start_category_summary() {

   _output->print_cr(" ");

 }

 /**

  * report a summary of memory type

  */

 void BaselineTTYOutputer::category_summary(MEMFLAGS type,

   size_t reserved_amt, size_t committed_amt, size_t malloc_amt,

   size_t malloc_count, size_t arena_amt, size_t arena_count) {

   // we report mtThreadStack under mtThread category

   if (type == mtThreadStack) {

     assert(malloc_amt == 0 && malloc_count == 0 && arena_amt == 0,

       "Just check");

     _thread_stack_reserved = reserved_amt;

     _thread_stack_committed = committed_amt;

   } else {

     const char* unit = memory_unit(_scale);

     size_t total_reserved = (reserved_amt + malloc_amt + arena_amt);

     size_t total_committed = (committed_amt + malloc_amt + arena_amt);

     if (type == mtThread) {

       total_reserved += _thread_stack_reserved;

       total_committed += _thread_stack_committed;

     }

     if (total_reserved > 0) {

       _output->print_cr("-%26s (reserved=%d%s, committed=%d%s)",

         MemBaseline::type2name(type), total_reserved, unit,

         total_committed, unit);

       if (type == mtClass) {

         _output->print_cr("%27s (classes #%d)", " ", _num_of_classes);

       } else if (type == mtThread) {

         _output->print_cr("%27s (thread #%d)", " ", _num_of_threads);

         _output->print_cr("%27s (stack: reserved=%d%s, committed=%d%s)", " ",

           _thread_stack_reserved, unit, _thread_stack_committed, unit);

       }

       if (malloc_amt > 0) {

         if (type != mtChunk) {

           _output->print_cr("%27s (malloc=%d%s, #%d)", " ", malloc_amt, unit,

             malloc_count);

         } else {

           _output->print_cr("%27s (malloc=%d%s)", " ", malloc_amt, unit);

         }

       }

       if (reserved_amt > 0) {

         _output->print_cr("%27s (mmap: reserved=%d%s, committed=%d%s)",

           " ", reserved_amt, unit, committed_amt, unit);

       }

       if (arena_amt > 0) {

         _output->print_cr("%27s (arena=%d%s, #%d)", " ", arena_amt, unit, arena_count);

       }

       _output->print_cr(" ");

     }

   }

 }

 void BaselineTTYOutputer::done_category_summary() {

   _output->print_cr(" ");

 }

 void BaselineTTYOutputer::start_virtual_memory_map() {

   _output->print_cr("Virtual memory map:");

 }

 void BaselineTTYOutputer::reserved_memory_region(MEMFLAGS type, address base, address end,

                                                  size_t size, address pc) {

   const char* unit = memory_unit(_scale);

   char buf[128];

   int  offset;

   _output->print_cr(" ");

   _output->print_cr("[" PTR_FORMAT " - " PTR_FORMAT "] reserved %d%s for %s", base, end, size, unit,

             MemBaseline::type2name(type));

   if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {

       _output->print_cr("\t\tfrom [%s+0x%x]", buf, offset);

   }

 }

 void BaselineTTYOutputer::committed_memory_region(address base, address end, size_t size, address pc) {

   const char* unit = memory_unit(_scale);

   char buf[128];

   int  offset;

   _output->print("\t[" PTR_FORMAT " - " PTR_FORMAT "] committed %d%s", base, end, size, unit);

   if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {

       _output->print_cr(" from [%s+0x%x]", buf, offset);

   }

 }

 void BaselineTTYOutputer::done_virtual_memory_map() {

   _output->print_cr(" ");

 }

 void BaselineTTYOutputer::start_callsite() {

   _output->print_cr("Details:");

   _output->print_cr(" ");

 }

 void BaselineTTYOutputer::done_callsite() {

   _output->print_cr(" ");

 }

 void BaselineTTYOutputer::malloc_callsite(address pc, size_t malloc_amt,

   size_t malloc_count) {

   if (malloc_amt > 0) {

     const char* unit = memory_unit(_scale);

     char buf[128];

     int  offset;

     if (pc == 0) {

       _output->print("[BOOTSTRAP]%18s", " ");

     } else if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {

       _output->print_cr("[" PTR_FORMAT "] %s+0x%x", pc, buf, offset);

       _output->print("%28s", " ");

     } else {

       _output->print("[" PTR_FORMAT "]%18s", pc, " ");

     }

     _output->print_cr("(malloc=%d%s #%d)", malloc_amt, unit, malloc_count);

     _output->print_cr(" ");

   }

 }

 void BaselineTTYOutputer::virtual_memory_callsite(address pc, size_t reserved_amt,

   size_t committed_amt) {

   if (reserved_amt > 0) {

     const char* unit = memory_unit(_scale);

     char buf[128];

     int  offset;

     if (pc == 0) {

       _output->print("[BOOTSTRAP]%18s", " ");

     } else if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {

       _output->print_cr("[" PTR_FORMAT "] %s+0x%x", pc, buf, offset);

       _output->print("%28s", " ");

     } else {

       _output->print("[" PTR_FORMAT "]%18s", " ");

     }

     _output->print_cr("(mmap: reserved=%d%s, committed=%d%s)",

       reserved_amt, unit, committed_amt, unit);

     _output->print_cr(" ");

   }

 }

 void BaselineTTYOutputer::diff_total_usage(size_t total_reserved,

   size_t total_committed, int reserved_diff, int committed_diff) {

   const char* unit = memory_unit(_scale);

   _output->print_cr("Total:  reserved=%d%s  %+d%s, committed=%d%s %+d%s",

     total_reserved, unit, reserved_diff, unit, total_committed, unit,

     committed_diff, unit);

 }

 void BaselineTTYOutputer::diff_category_summary(MEMFLAGS type,

   size_t cur_reserved_amt, size_t cur_committed_amt,

   size_t cur_malloc_amt, size_t cur_malloc_count,

   size_t cur_arena_amt, size_t cur_arena_count,

   int reserved_diff, int committed_diff, int malloc_diff,

   int malloc_count_diff, int arena_diff, int arena_count_diff) {

   if (type == mtThreadStack) {

     assert(cur_malloc_amt == 0 && cur_malloc_count == 0 &&

       cur_arena_amt == 0, "Just check");

     _thread_stack_reserved = cur_reserved_amt;

     _thread_stack_committed = cur_committed_amt;

     _thread_stack_reserved_diff = reserved_diff;

     _thread_stack_committed_diff = committed_diff;

   } else {

     const char* unit = memory_unit(_scale);

     size_t total_reserved = (cur_reserved_amt + cur_malloc_amt + cur_arena_amt);

     // nothing to report in this category

     if (total_reserved == 0) {

       return;

     }

     int    diff_reserved = (reserved_diff + malloc_diff + arena_diff);

     // category summary

     _output->print("-%26s (reserved=%d%s", MemBaseline::type2name(type),

       total_reserved, unit);

     if (diff_reserved != 0) {

       _output->print(" %+d%s", diff_reserved, unit);

     }

     size_t total_committed = cur_committed_amt + cur_malloc_amt + cur_arena_amt;

     _output->print(", committed=%d%s", total_committed, unit);

     int total_committed_diff = committed_diff + malloc_diff + arena_diff;

     if (total_committed_diff != 0) {

       _output->print(" %+d%s", total_committed_diff, unit);

     }

     _output->print_cr(")");

     // special cases

     if (type == mtClass) {

       _output->print("%27s (classes #%d", " ", _num_of_classes);

       if (_num_of_classes_diff != 0) {

         _output->print(" %+d", _num_of_classes_diff);

       }

       _output->print_cr(")");

     } else if (type == mtThread) {

       // thread count

       _output->print("%27s (thread #%d", " ", _num_of_threads);

       if (_num_of_threads_diff != 0) {

         _output->print_cr(" %+d)", _num_of_threads_diff);

       } else {

         _output->print_cr(")");

       }

       _output->print("%27s (stack: reserved=%d%s", " ", _thread_stack_reserved, unit);

       if (_thread_stack_reserved_diff != 0) {

         _output->print(" %+d%s", _thread_stack_reserved_diff, unit);

       }

       _output->print(", committed=%d%s", _thread_stack_committed, unit);

       if (_thread_stack_committed_diff != 0) {

         _output->print(" %+d%s",_thread_stack_committed_diff, unit);

       }

       _output->print_cr(")");

     }

     // malloc'd memory

     if (cur_malloc_amt > 0) {

       _output->print("%27s (malloc=%d%s", " ", cur_malloc_amt, unit);

       if (malloc_diff != 0) {

         _output->print(" %+d%s", malloc_diff, unit);

       }

       if (type != mtChunk) {

         _output->print(", #%d", cur_malloc_count);

         if (malloc_count_diff) {

           _output->print(" %+d", malloc_count_diff);

         }

       }

       _output->print_cr(")");

     }

     // mmap'd memory

     if (cur_reserved_amt > 0) {

       _output->print("%27s (mmap: reserved=%d%s", " ", cur_reserved_amt, unit);

       if (reserved_diff != 0) {

         _output->print(" %+d%s", reserved_diff, unit);

       }

       _output->print(", committed=%d%s", cur_committed_amt, unit);

       if (committed_diff != 0) {

         _output->print(" %+d%s", committed_diff, unit);

       }

       _output->print_cr(")");

     }

     // arena memory

     if (cur_arena_amt > 0) {

       _output->print("%27s (arena=%d%s", " ", cur_arena_amt, unit);

       if (arena_diff != 0) {

         _output->print(" %+d%s", arena_diff, unit);

       }

       _output->print(", #%d", cur_arena_count);

       if (arena_count_diff != 0) {

         _output->print(" %+d", arena_count_diff);

       }

       _output->print_cr(")");

     }

     _output->print_cr(" ");

   }

 }

 void BaselineTTYOutputer::diff_malloc_callsite(address pc,

     size_t cur_malloc_amt, size_t cur_malloc_count,

     int malloc_diff, int malloc_count_diff) {

   if (malloc_diff != 0) {

     const char* unit = memory_unit(_scale);

     char buf[128];

     int  offset;

     if (pc == 0) {

       _output->print_cr("[BOOTSTRAP]%18s", " ");

     } else {

       if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {

         _output->print_cr("[" PTR_FORMAT "] %s+0x%x", pc, buf, offset);

         _output->print("%28s", " ");

       } else {

         _output->print("[" PTR_FORMAT "]%18s", pc, " ");

       }

     }

     _output->print("(malloc=%d%s", cur_malloc_amt, unit);

     if (malloc_diff != 0) {

       _output->print(" %+d%s", malloc_diff, unit);

     }

     _output->print(", #%d", cur_malloc_count);

     if (malloc_count_diff != 0) {

       _output->print(" %+d", malloc_count_diff);

     }

     _output->print_cr(")");

     _output->print_cr(" ");

   }

 }

 void BaselineTTYOutputer::diff_virtual_memory_callsite(address pc,

     size_t cur_reserved_amt, size_t cur_committed_amt,

     int reserved_diff, int committed_diff) {

   if (reserved_diff != 0 || committed_diff != 0) {

     const char* unit = memory_unit(_scale);

     char buf[64];

     int  offset;

     if (pc == 0) {

       _output->print_cr("[BOOSTRAP]%18s", " ");

     } else {

       if (os::dll_address_to_function_name(pc, buf, sizeof(buf), &offset)) {

         _output->print_cr("[" PTR_FORMAT "] %s+0x%x", pc, buf, offset);

         _output->print("%28s", " ");

       } else {

         _output->print("[" PTR_FORMAT "]%18s", " ");

       }

     }

     _output->print("(mmap: reserved=%d%s", cur_reserved_amt, unit);

     if (reserved_diff != 0) {

       _output->print(" %+d%s", reserved_diff, unit);

     }

     _output->print(", committed=%d%s", cur_committed_amt, unit);

     if (committed_diff != 0) {

       _output->print(" %+d%s", committed_diff, unit);

     }

     _output->print_cr(")");

     _output->print_cr(" ");

   }

 }