--- a/hotspot/src/share/vm/services/memReporter.cpp Tue Aug 05 14:18:44 2014 +0000
+++ b/hotspot/src/share/vm/services/memReporter.cpp Thu Aug 07 12:18:58 2014 -0700
@@ -22,618 +22,595 @@
*
*/
#include "precompiled.hpp"
-#include "classfile/systemDictionary.hpp"
-#include "runtime/os.hpp"
+
+#include "memory/allocation.hpp"
+#include "services/mallocTracker.hpp"
#include "services/memReporter.hpp"
-#include "services/memPtrArray.hpp"
-#include "services/memTracker.hpp"
+#include "services/virtualMemoryTracker.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+size_t MemReporterBase::reserved_total(const MallocMemory* malloc, const VirtualMemory* vm) const {
+ return malloc->malloc_size() + malloc->arena_size() + vm->reserved();
+}
+
+size_t MemReporterBase::committed_total(const MallocMemory* malloc, const VirtualMemory* vm) const {
+ return malloc->malloc_size() + malloc->arena_size() + vm->committed();
+}
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
+void MemReporterBase::print_total(size_t reserved, size_t committed) const {
+ const char* scale = current_scale();
+ output()->print("reserved=" SIZE_FORMAT "%s, committed=" SIZE_FORMAT "%s",
+ amount_in_current_scale(reserved), scale, amount_in_current_scale(committed), scale);
+}
+
+void MemReporterBase::print_malloc(size_t amount, size_t count) const {
+ const char* scale = current_scale();
+ outputStream* out = output();
+ out->print("(malloc=" SIZE_FORMAT "%s",
+ amount_in_current_scale(amount), scale);
+
+ if (count > 0) {
+ out->print(" #" SIZE_FORMAT "", count);
+ }
-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;
+ out->print(")");
+}
+
+void MemReporterBase::print_virtual_memory(size_t reserved, size_t committed) const {
+ const char* scale = current_scale();
+ output()->print("(mmap: reserved=" SIZE_FORMAT "%s, committed=" SIZE_FORMAT "%s)",
+ amount_in_current_scale(reserved), scale, amount_in_current_scale(committed), scale);
+}
+
+void MemReporterBase::print_malloc_line(size_t amount, size_t count) const {
+ output()->print("%28s", " ");
+ print_malloc(amount, count);
+ output()->print_cr(" ");
+}
+
+void MemReporterBase::print_virtual_memory_line(size_t reserved, size_t committed) const {
+ output()->print("%28s", " ");
+ print_virtual_memory(reserved, committed);
+ output()->print_cr(" ");
+}
+
+void MemReporterBase::print_arena_line(size_t amount, size_t count) const {
+ const char* scale = current_scale();
+ output()->print_cr("%27s (arena=" SIZE_FORMAT "%s #" SIZE_FORMAT ")", " ",
+ amount_in_current_scale(amount), scale, count);
+}
+
+void MemReporterBase::print_virtual_memory_region(const char* type, address base, size_t size) const {
+ const char* scale = current_scale();
+ output()->print("[" PTR_FORMAT " - " PTR_FORMAT "] %s " SIZE_FORMAT "%s",
+ p2i(base), p2i(base + size), type, amount_in_current_scale(size), scale);
}
-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;
+void MemSummaryReporter::report() {
+ const char* scale = current_scale();
+ outputStream* out = output();
+ size_t total_reserved_amount = _malloc_snapshot->total() +
+ _vm_snapshot->total_reserved();
+ size_t total_committed_amount = _malloc_snapshot->total() +
+ _vm_snapshot->total_committed();
- 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();
-}
+ // Overall total
+ out->print_cr("\nNative Memory Tracking:\n");
+ out->print("Total: ");
+ print_total(total_reserved_amount, total_committed_amount);
+ out->print("\n");
-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();
+ // Summary by memory type
+ for (int index = 0; index < mt_number_of_types; index ++) {
+ MEMFLAGS flag = NMTUtil::index_to_flag(index);
+ // thread stack is reported as part of thread category
+ if (flag == mtThreadStack) continue;
+ MallocMemory* malloc_memory = _malloc_snapshot->by_type(flag);
+ VirtualMemory* virtual_memory = _vm_snapshot->by_type(flag);
+
+ report_summary_of_type(flag, malloc_memory, virtual_memory);
}
-
- _outputer.done_virtual_memory_map();
}
-void BaselineReporter::report_callsites(const MemBaseline& baseline) {
- _outputer.start_callsite();
- MemBaseline* pBL = const_cast<MemBaseline*>(&baseline);
+void MemSummaryReporter::report_summary_of_type(MEMFLAGS flag,
+ MallocMemory* malloc_memory, VirtualMemory* virtual_memory) {
- pBL->_malloc_cs->sort((FN_SORT)MemBaseline::bl_malloc_sort_by_size);
- pBL->_vm_cs->sort((FN_SORT)MemBaseline::bl_vm_sort_by_size);
+ size_t reserved_amount = reserved_total (malloc_memory, virtual_memory);
+ size_t committed_amount = committed_total(malloc_memory, virtual_memory);
- // 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();
+ // Count thread's native stack in "Thread" category
+ if (flag == mtThread) {
+ const VirtualMemory* thread_stack_usage =
+ (const VirtualMemory*)_vm_snapshot->by_type(mtThreadStack);
+ reserved_amount += thread_stack_usage->reserved();
+ committed_amount += thread_stack_usage->committed();
+ } else if (flag == mtNMT) {
+ // Count malloc headers in "NMT" category
+ reserved_amount += _malloc_snapshot->malloc_overhead()->size();
+ committed_amount += _malloc_snapshot->malloc_overhead()->size();
}
- // 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();
-}
+ if (amount_in_current_scale(reserved_amount) > 0) {
+ outputStream* out = output();
+ const char* scale = current_scale();
+ out->print("-%26s (", NMTUtil::flag_to_name(flag));
+ print_total(reserved_amount, committed_amount);
+ out->print_cr(")");
-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())));
+ if (flag == mtClass) {
+ // report class count
+ out->print_cr("%27s (classes #" SIZE_FORMAT ")", " ", _class_count);
+ } else if (flag == mtThread) {
+ // report thread count
+ out->print_cr("%27s (thread #" SIZE_FORMAT ")", " ", _malloc_snapshot->thread_count());
+ const VirtualMemory* thread_stack_usage =
+ _vm_snapshot->by_type(mtThreadStack);
+ out->print("%27s (stack: ", " ");
+ print_total(thread_stack_usage->reserved(), thread_stack_usage->committed());
+ out->print_cr(")");
+ }
- _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()));
+ // report malloc'd memory
+ if (amount_in_current_scale(malloc_memory->malloc_size()) > 0) {
+ // We don't know how many arena chunks are in used, so don't report the count
+ size_t count = (flag == mtChunk) ? 0 : malloc_memory->malloc_count();
+ print_malloc_line(malloc_memory->malloc_size(), count);
+ }
- 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;
+ if (amount_in_current_scale(virtual_memory->reserved()) > 0) {
+ print_virtual_memory_line(virtual_memory->reserved(), virtual_memory->committed());
+ }
- 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)));
+ if (amount_in_current_scale(malloc_memory->arena_size()) > 0) {
+ print_arena_line(malloc_memory->arena_size(), malloc_memory->arena_count());
+ }
+
+ if (flag == mtNMT &&
+ amount_in_current_scale(_malloc_snapshot->malloc_overhead()->size()) > 0) {
+ out->print_cr("%27s (tracking overhead=" SIZE_FORMAT "%s)", " ",
+ amount_in_current_scale(_malloc_snapshot->malloc_overhead()->size()), scale);
+ }
+
+ out->print_cr(" ");
}
-
- _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);
+void MemDetailReporter::report_detail() {
+ // Start detail report
+ outputStream* out = output();
+ out->print_cr("Details:\n");
+
+ report_malloc_sites();
+ report_virtual_memory_allocation_sites();
+}
+
+void MemDetailReporter::report_malloc_sites() {
+ MallocSiteIterator malloc_itr = _baseline.malloc_sites(MemBaseline::by_size);
+ if (malloc_itr.is_empty()) return;
+
+ outputStream* out = output();
- // walk malloc callsites
- MemPointerArrayIteratorImpl cur_malloc_itr(pBL_cur->_malloc_cs);
- MemPointerArrayIteratorImpl prev_malloc_itr(pBL_prev->_malloc_cs);
+ const MallocSite* malloc_site;
+ while ((malloc_site = malloc_itr.next()) != NULL) {
+ // Don't report if size is too small
+ if (amount_in_current_scale(malloc_site->size()) == 0)
+ continue;
- MallocCallsitePointer* cur_malloc_callsite =
- (MallocCallsitePointer*)cur_malloc_itr.current();
- MallocCallsitePointer* prev_malloc_callsite =
- (MallocCallsitePointer*)prev_malloc_itr.current();
+ const NativeCallStack* stack = malloc_site->call_stack();
+ stack->print_on(out);
+ out->print("%29s", " ");
+ print_malloc(malloc_site->size(), malloc_site->count());
+ out->print_cr("\n");
+ }
+}
+
+void MemDetailReporter::report_virtual_memory_allocation_sites() {
+ VirtualMemorySiteIterator virtual_memory_itr =
+ _baseline.virtual_memory_sites(MemBaseline::by_size);
+
+ if (virtual_memory_itr.is_empty()) return;
+
+ outputStream* out = output();
+ const VirtualMemoryAllocationSite* virtual_memory_site;
- while (cur_malloc_callsite != NULL || prev_malloc_callsite != NULL) {
- if (prev_malloc_callsite == NULL) {
- assert(cur_malloc_callsite != NULL, "sanity check");
- // this is a new 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(), 0),
- diff(cur_malloc_callsite->count(), 0));
- cur_malloc_callsite = (MallocCallsitePointer*)cur_malloc_itr.next();
- } else if (cur_malloc_callsite == NULL) {
- assert(prev_malloc_callsite != NULL, "Sanity check");
- // this callsite is already gone
- _outputer.diff_malloc_callsite(prev_malloc_callsite->addr(),
- 0, 0,
- diff_in_current_scale(0, prev_malloc_callsite->amount()),
- diff(0, prev_malloc_callsite->count()));
- prev_malloc_callsite = (MallocCallsitePointer*)prev_malloc_itr.next();
- } else {
- assert(cur_malloc_callsite != NULL, "Sanity check");
- assert(prev_malloc_callsite != NULL, "Sanity check");
- if (cur_malloc_callsite->addr() < prev_malloc_callsite->addr()) {
- // this is a new 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(), 0),
- diff(cur_malloc_callsite->count(), 0));
- cur_malloc_callsite = (MallocCallsitePointer*)cur_malloc_itr.next();
- } else if (cur_malloc_callsite->addr() > prev_malloc_callsite->addr()) {
- // this callsite is already gone
- _outputer.diff_malloc_callsite(prev_malloc_callsite->addr(),
- 0, 0,
- 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();
- }
- }
+ while ((virtual_memory_site = virtual_memory_itr.next()) != NULL) {
+ // Don't report if size is too small
+ if (amount_in_current_scale(virtual_memory_site->reserved()) == 0)
+ continue;
+
+ const NativeCallStack* stack = virtual_memory_site->call_stack();
+ stack->print_on(out);
+ out->print("%28s (", " ");
+ print_total(virtual_memory_site->reserved(), virtual_memory_site->committed());
+ out->print_cr(")\n");
+ }
+}
+
+
+void MemDetailReporter::report_virtual_memory_map() {
+ // Virtual memory map always in base address order
+ VirtualMemoryAllocationIterator itr = _baseline.virtual_memory_allocations();
+ const ReservedMemoryRegion* rgn;
+
+ output()->print_cr("Virtual memory map:");
+ while ((rgn = itr.next()) != NULL) {
+ report_virtual_memory_region(rgn);
+ }
+}
+
+void MemDetailReporter::report_virtual_memory_region(const ReservedMemoryRegion* reserved_rgn) {
+ assert(reserved_rgn != NULL, "NULL pointer");
+
+ // Don't report if size is too small
+ if (amount_in_current_scale(reserved_rgn->size()) == 0) return;
+
+ outputStream* out = output();
+ const char* scale = current_scale();
+ const NativeCallStack* stack = reserved_rgn->call_stack();
+ bool all_committed = reserved_rgn->all_committed();
+ const char* region_type = (all_committed ? "reserved and committed" : "reserved");
+ out->print_cr(" ");
+ print_virtual_memory_region(region_type, reserved_rgn->base(), reserved_rgn->size());
+ out->print(" for %s", NMTUtil::flag_to_name(reserved_rgn->flag()));
+ if (stack->is_empty()) {
+ out->print_cr(" ");
+ } else {
+ out->print_cr(" from");
+ stack->print_on(out, 4);
}
- // 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()) {
- // this is a new 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(), 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()) {
- // this callsite is already gone
- _outputer.diff_virtual_memory_callsite(prev_vm_callsite->addr(),
- amount_in_current_scale(0),
- amount_in_current_scale(0),
- 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() {
-
-}
+ if (all_committed) return;
-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(" ");
+ CommittedRegionIterator itr = reserved_rgn->iterate_committed_regions();
+ const CommittedMemoryRegion* committed_rgn;
+ while ((committed_rgn = itr.next()) != NULL) {
+ // Don't report if size is too small
+ if (amount_in_current_scale(committed_rgn->size()) == 0) continue;
+ stack = committed_rgn->call_stack();
+ out->print("\n\t");
+ print_virtual_memory_region("committed", committed_rgn->base(), committed_rgn->size());
+ if (stack->is_empty()) {
+ out->print_cr(" ");
+ } else {
+ out->print_cr(" from");
+ stack->print_on(out, 12);
}
}
}
-void BaselineTTYOutputer::done_category_summary() {
- _output->print_cr(" ");
-}
+void MemSummaryDiffReporter::report_diff() {
+ const char* scale = current_scale();
+ outputStream* out = output();
+ out->print_cr("\nNative Memory Tracking:\n");
-
-void BaselineTTYOutputer::start_virtual_memory_map() {
- _output->print_cr("Virtual memory map:");
-}
+ // Overall diff
+ out->print("Total: ");
+ print_virtual_memory_diff(_current_baseline.total_reserved_memory(),
+ _current_baseline.total_committed_memory(), _early_baseline.total_reserved_memory(),
+ _early_baseline.total_committed_memory());
-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);
- }
-}
+ out->print_cr("\n");
-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);
+ // Summary diff by memory type
+ for (int index = 0; index < mt_number_of_types; index ++) {
+ MEMFLAGS flag = NMTUtil::index_to_flag(index);
+ // thread stack is reported as part of thread category
+ if (flag == mtThreadStack) continue;
+ diff_summary_of_type(flag, _early_baseline.malloc_memory(flag),
+ _early_baseline.virtual_memory(flag), _current_baseline.malloc_memory(flag),
+ _current_baseline.virtual_memory(flag));
}
}
-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 MemSummaryDiffReporter::print_malloc_diff(size_t current_amount, size_t current_count,
+ size_t early_amount, size_t early_count) const {
+ const char* scale = current_scale();
+ outputStream* out = output();
-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, " ");
+ out->print("malloc=" SIZE_FORMAT "%s", amount_in_current_scale(current_amount), scale);
+ long amount_diff = diff_in_current_scale(current_amount, early_amount);
+ if (amount_diff != 0) {
+ out->print(" %+ld%s", amount_diff, scale);
+ }
+ if (current_count > 0) {
+ out->print(" #" SIZE_FORMAT "", current_count);
+ if (current_count != early_count) {
+ out->print(" %+d", (int)(current_count - early_count));
}
-
- _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", pc, " ");
- }
+void MemSummaryDiffReporter::print_arena_diff(size_t current_amount, size_t current_count,
+ size_t early_amount, size_t early_count) const {
+ const char* scale = current_scale();
+ outputStream* out = output();
+ out->print("arena=" SIZE_FORMAT "%s", amount_in_current_scale(current_amount), scale);
+ if (diff_in_current_scale(current_amount, early_amount) != 0) {
+ out->print(" %+ld", diff_in_current_scale(current_amount, early_amount));
+ }
+
+ out->print(" #" SIZE_FORMAT "", current_count);
+ if (current_count != early_count) {
+ out->print(" %+d", (int)(current_count - early_count));
+ }
+}
- _output->print_cr("(mmap: reserved=%d%s, committed=%d%s)",
- reserved_amt, unit, committed_amt, unit);
- _output->print_cr(" ");
+void MemSummaryDiffReporter::print_virtual_memory_diff(size_t current_reserved, size_t current_committed,
+ size_t early_reserved, size_t early_committed) const {
+ const char* scale = current_scale();
+ outputStream* out = output();
+ out->print("reserved=" SIZE_FORMAT "%s", amount_in_current_scale(current_reserved), scale);
+ long reserved_diff = diff_in_current_scale(current_reserved, early_reserved);
+ if (reserved_diff != 0) {
+ out->print(" %+ld%s", reserved_diff, scale);
+ }
+
+ out->print(", committed=" SIZE_FORMAT "%s", amount_in_current_scale(current_committed), scale);
+ long committed_diff = diff_in_current_scale(current_committed, early_committed);
+ if (committed_diff != 0) {
+ out->print(" %+ld%s", committed_diff, scale);
}
}
-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 MemSummaryDiffReporter::diff_summary_of_type(MEMFLAGS flag, const MallocMemory* early_malloc,
+ const VirtualMemory* early_vm, const MallocMemory* current_malloc,
+ const VirtualMemory* current_vm) const {
+
+ outputStream* out = output();
+ const char* scale = current_scale();
+
+ // Total reserved and committed memory in current baseline
+ size_t current_reserved_amount = reserved_total (current_malloc, current_vm);
+ size_t current_committed_amount = committed_total(current_malloc, current_vm);
+
+ // Total reserved and committed memory in early baseline
+ size_t early_reserved_amount = reserved_total(early_malloc, early_vm);
+ size_t early_committed_amount = committed_total(early_malloc, early_vm);
-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) {
+ // Adjust virtual memory total
+ if (flag == mtThread) {
+ const VirtualMemory* early_thread_stack_usage =
+ _early_baseline.virtual_memory(mtThreadStack);
+ const VirtualMemory* current_thread_stack_usage =
+ _current_baseline.virtual_memory(mtThreadStack);
+
+ early_reserved_amount += early_thread_stack_usage->reserved();
+ early_committed_amount += early_thread_stack_usage->committed();
+
+ current_reserved_amount += current_thread_stack_usage->reserved();
+ current_committed_amount += current_thread_stack_usage->committed();
+ } else if (flag == mtNMT) {
+ early_reserved_amount += _early_baseline.malloc_tracking_overhead();
+ early_committed_amount += _early_baseline.malloc_tracking_overhead();
+
+ current_reserved_amount += _current_baseline.malloc_tracking_overhead();
+ current_committed_amount += _current_baseline.malloc_tracking_overhead();
+ }
- 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);
+ if (amount_in_current_scale(current_reserved_amount) > 0 ||
+ diff_in_current_scale(current_reserved_amount, early_reserved_amount) != 0) {
+
+ // print summary line
+ out->print("-%26s (", NMTUtil::flag_to_name(flag));
+ print_virtual_memory_diff(current_reserved_amount, current_committed_amount,
+ early_reserved_amount, early_committed_amount);
+ out->print_cr(")");
- // category summary
- _output->print("-%26s (reserved=%d%s", MemBaseline::type2name(type),
- total_reserved, unit);
+ // detail lines
+ if (flag == mtClass) {
+ // report class count
+ out->print("%27s (classes #" SIZE_FORMAT "", " ", _current_baseline.class_count());
+ int class_count_diff = (int)(_current_baseline.class_count() -
+ _early_baseline.class_count());
+ if (_current_baseline.class_count() != _early_baseline.class_count()) {
+ out->print(" %+d", (int)(_current_baseline.class_count() - _early_baseline.class_count()));
+ }
+ out->print_cr(")");
+ } else if (flag == mtThread) {
+ // report thread count
+ out->print("%27s (thread #" SIZE_FORMAT "", " ", _current_baseline.thread_count());
+ int thread_count_diff = (int)(_current_baseline.thread_count() -
+ _early_baseline.thread_count());
+ if (thread_count_diff != 0) {
+ out->print(" %+d", thread_count_diff);
+ }
+ out->print_cr(")");
- if (diff_reserved != 0) {
- _output->print(" %+d%s", diff_reserved, unit);
- }
+ // report thread stack
+ const VirtualMemory* current_thread_stack =
+ _current_baseline.virtual_memory(mtThreadStack);
+ const VirtualMemory* early_thread_stack =
+ _early_baseline.virtual_memory(mtThreadStack);
- 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);
+ out->print("%27s (stack: ", " ");
+ print_virtual_memory_diff(current_thread_stack->reserved(), current_thread_stack->committed(),
+ early_thread_stack->reserved(), early_thread_stack->committed());
+ out->print_cr(")");
}
- _output->print_cr(")");
+ // Report malloc'd memory
+ size_t current_malloc_amount = current_malloc->malloc_size();
+ size_t early_malloc_amount = early_malloc->malloc_size();
+ if (amount_in_current_scale(current_malloc_amount) > 0 ||
+ diff_in_current_scale(current_malloc_amount, early_malloc_amount) != 0) {
+ out->print("%28s(", " ");
+ print_malloc_diff(current_malloc_amount, (flag == mtChunk) ? 0 : current_malloc->malloc_count(),
+ early_malloc_amount, early_malloc->malloc_count());
+ out->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(")");
+ // Report virtual memory
+ if (amount_in_current_scale(current_vm->reserved()) > 0 ||
+ diff_in_current_scale(current_vm->reserved(), early_vm->reserved()) != 0) {
+ out->print("%27s (mmap: ", " ");
+ print_virtual_memory_diff(current_vm->reserved(), current_vm->committed(),
+ early_vm->reserved(), early_vm->committed());
+ out->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(")");
+ // Report arena memory
+ if (amount_in_current_scale(current_malloc->arena_size()) > 0 ||
+ diff_in_current_scale(current_malloc->arena_size(), early_malloc->arena_size()) != 0) {
+ out->print("%28s(", " ");
+ print_arena_diff(current_malloc->arena_size(), current_malloc->arena_count(),
+ early_malloc->arena_size(), early_malloc->arena_count());
+ out->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);
- }
+ // Report native memory tracking overhead
+ if (flag == mtNMT) {
+ size_t current_tracking_overhead = amount_in_current_scale(_current_baseline.malloc_tracking_overhead());
+ size_t early_tracking_overhead = amount_in_current_scale(_early_baseline.malloc_tracking_overhead());
- _output->print(", committed=%d%s", cur_committed_amt, unit);
- if (committed_diff != 0) {
- _output->print(" %+d%s", committed_diff, unit);
- }
- _output->print_cr(")");
- }
+ out->print("%27s (tracking overhead=" SIZE_FORMAT "%s", " ",
+ amount_in_current_scale(_current_baseline.malloc_tracking_overhead()), scale);
- // 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);
+ long overhead_diff = diff_in_current_scale(_current_baseline.malloc_tracking_overhead(),
+ _early_baseline.malloc_tracking_overhead());
+ if (overhead_diff != 0) {
+ out->print(" %+ld%s", overhead_diff, scale);
}
- _output->print(", #%d", cur_arena_count);
- if (arena_count_diff != 0) {
- _output->print(" %+d", arena_count_diff);
- }
- _output->print_cr(")");
+ out->print_cr(")");
}
-
- _output->print_cr(" ");
+ out->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", " ");
+void MemDetailDiffReporter::report_diff() {
+ MemSummaryDiffReporter::report_diff();
+ diff_malloc_sites();
+ diff_virtual_memory_sites();
+}
+
+void MemDetailDiffReporter::diff_malloc_sites() const {
+ MallocSiteIterator early_itr = _early_baseline.malloc_sites(MemBaseline::by_site);
+ MallocSiteIterator current_itr = _current_baseline.malloc_sites(MemBaseline::by_site);
+
+ const MallocSite* early_site = early_itr.next();
+ const MallocSite* current_site = current_itr.next();
+
+ while (early_site != NULL || current_site != NULL) {
+ if (early_site == NULL) {
+ new_malloc_site(current_site);
+ current_site = current_itr.next();
+ } else if (current_site == NULL) {
+ old_malloc_site(early_site);
+ early_site = early_itr.next();
} 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", " ");
+ int compVal = current_site->call_stack()->compare(*early_site->call_stack());
+ if (compVal < 0) {
+ new_malloc_site(current_site);
+ current_site = current_itr.next();
+ } else if (compVal > 0) {
+ old_malloc_site(early_site);
+ early_site = early_itr.next();
} else {
- _output->print("[" PTR_FORMAT "]%18s", pc, " ");
+ diff_malloc_site(early_site, current_site);
+ early_site = early_itr.next();
+ current_site = current_itr.next();
}
}
+ }
+}
- _output->print("(malloc=%d%s", cur_malloc_amt, unit);
- if (malloc_diff != 0) {
- _output->print(" %+d%s", malloc_diff, unit);
+void MemDetailDiffReporter::diff_virtual_memory_sites() const {
+ VirtualMemorySiteIterator early_itr = _early_baseline.virtual_memory_sites(MemBaseline::by_site);
+ VirtualMemorySiteIterator current_itr = _current_baseline.virtual_memory_sites(MemBaseline::by_site);
+
+ const VirtualMemoryAllocationSite* early_site = early_itr.next();
+ const VirtualMemoryAllocationSite* current_site = current_itr.next();
+
+ while (early_site != NULL || current_site != NULL) {
+ if (early_site == NULL) {
+ new_virtual_memory_site(current_site);
+ current_site = current_itr.next();
+ } else if (current_site == NULL) {
+ old_virtual_memory_site(early_site);
+ early_site = early_itr.next();
+ } else {
+ int compVal = current_site->call_stack()->compare(*early_site->call_stack());
+ if (compVal < 0) {
+ new_virtual_memory_site(current_site);
+ current_site = current_itr.next();
+ } else if (compVal > 0) {
+ old_virtual_memory_site(early_site);
+ early_site = early_itr.next();
+ } else {
+ diff_virtual_memory_site(early_site, current_site);
+ early_site = early_itr.next();
+ current_site = current_itr.next();
+ }
}
- _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", pc, " ");
- }
- }
+
+void MemDetailDiffReporter::new_malloc_site(const MallocSite* malloc_site) const {
+ diff_malloc_site(malloc_site->call_stack(), malloc_site->size(), malloc_site->count(),
+ 0, 0);
+}
+
+void MemDetailDiffReporter::old_malloc_site(const MallocSite* malloc_site) const {
+ diff_malloc_site(malloc_site->call_stack(), 0, 0, malloc_site->size(),
+ malloc_site->count());
+}
+
+void MemDetailDiffReporter::diff_malloc_site(const MallocSite* early,
+ const MallocSite* current) const {
+ diff_malloc_site(current->call_stack(), current->size(), current->count(),
+ early->size(), early->count());
+}
+
+void MemDetailDiffReporter::diff_malloc_site(const NativeCallStack* stack, size_t current_size,
+ size_t current_count, size_t early_size, size_t early_count) const {
+ outputStream* out = output();
+
+ assert(stack != NULL, "NULL stack");
+
+ if (diff_in_current_scale(current_size, early_size) == 0) {
+ return;
+ }
+
+ stack->print_on(out);
+ out->print("%28s (", " ");
+ print_malloc_diff(current_size, current_count,
+ early_size, early_count);
- _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(" ");
+ out->print_cr(")\n");
+}
+
+
+void MemDetailDiffReporter::new_virtual_memory_site(const VirtualMemoryAllocationSite* site) const {
+ diff_virtual_memory_site(site->call_stack(), site->reserved(), site->committed(), 0, 0);
+}
+
+void MemDetailDiffReporter::old_virtual_memory_site(const VirtualMemoryAllocationSite* site) const {
+ diff_virtual_memory_site(site->call_stack(), 0, 0, site->reserved(), site->committed());
+}
+
+void MemDetailDiffReporter::diff_virtual_memory_site(const VirtualMemoryAllocationSite* early,
+ const VirtualMemoryAllocationSite* current) const {
+ diff_virtual_memory_site(current->call_stack(), current->reserved(), current->committed(),
+ early->reserved(), early->committed());
+}
+
+void MemDetailDiffReporter::diff_virtual_memory_site(const NativeCallStack* stack, size_t current_reserved,
+ size_t current_committed, size_t early_reserved, size_t early_committed) const {
+ outputStream* out = output();
+
+ // no change
+ if (diff_in_current_scale(current_reserved, early_reserved) == 0 &&
+ diff_in_current_scale(current_committed, early_committed) == 0) {
+ return;
}
-}
+
+ stack->print_on(out);
+ out->print("%28s (mmap: ", " ");
+ print_virtual_memory_diff(current_reserved, current_committed,
+ early_reserved, early_committed);
+
+ out->print_cr(")\n");
+ }
+