JDK14/Java14源码在线阅读
/*
* Copyright (c) 2012, 2019, 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 "memory/allocation.hpp"
#include "services/mallocTracker.hpp"
#include "services/memReporter.hpp"
#include "services/threadStackTracker.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();
}
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, MEMFLAGS flag) const {
const char* scale = current_scale();
outputStream* out = output();
const char* alloc_type = (flag == mtThreadStack) ? "" : "malloc=";
if (flag != mtNone) {
out->print("(%s" SIZE_FORMAT "%s type=%s", alloc_type,
amount_in_current_scale(amount), scale, NMTUtil::flag_to_name(flag));
} else {
out->print("(%s" SIZE_FORMAT "%s", alloc_type,
amount_in_current_scale(amount), scale);
}
if (count > 0) {
out->print(" #" SIZE_FORMAT "", count);
}
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 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();
// Overall total
out->print_cr("\nNative Memory Tracking:\n");
out->print("Total: ");
print_total(total_reserved_amount, total_committed_amount);
out->print("\n");
// 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);
}
}
void MemSummaryReporter::report_summary_of_type(MEMFLAGS flag,
MallocMemory* malloc_memory, VirtualMemory* virtual_memory) {
size_t reserved_amount = reserved_total (malloc_memory, virtual_memory);
size_t committed_amount = committed_total(malloc_memory, virtual_memory);
// Count thread's native stack in "Thread" category
if (flag == mtThread) {
if (ThreadStackTracker::track_as_vm()) {
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 {
const MallocMemory* thread_stack_usage =
(const MallocMemory*)_malloc_snapshot->by_type(mtThreadStack);
reserved_amount += thread_stack_usage->malloc_size();
committed_amount += thread_stack_usage->malloc_size();
}
} else if (flag == mtNMT) {
// Count malloc headers in "NMT" category
reserved_amount += _malloc_snapshot->malloc_overhead()->size();
committed_amount += _malloc_snapshot->malloc_overhead()->size();
}
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(")");
if (flag == mtClass) {
// report class count
out->print_cr("%27s (classes #" SIZE_FORMAT ")",
" ", (_instance_class_count + _array_class_count));
out->print_cr("%27s ( instance classes #" SIZE_FORMAT ", array classes #" SIZE_FORMAT ")",
" ", _instance_class_count, _array_class_count);
} else if (flag == mtThread) {
if (ThreadStackTracker::track_as_vm()) {
const VirtualMemory* thread_stack_usage =
_vm_snapshot->by_type(mtThreadStack);
// report thread count
out->print_cr("%27s (thread #" SIZE_FORMAT ")", " ", ThreadStackTracker::thread_count());
out->print("%27s (stack: ", " ");
print_total(thread_stack_usage->reserved(), thread_stack_usage->committed());
} else {
MallocMemory* thread_stack_memory = _malloc_snapshot->by_type(mtThreadStack);
const char* scale = current_scale();
// report thread count
assert(ThreadStackTracker::thread_count() == 0, "Not used");
out->print_cr("%27s (thread #" SIZE_FORMAT ")", " ", thread_stack_memory->malloc_count());
out->print("%27s (Stack: " SIZE_FORMAT "%s", " ",
amount_in_current_scale(thread_stack_memory->malloc_size()), scale);
}
out->print_cr(")");
}
// 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);
}
if (amount_in_current_scale(virtual_memory->reserved()) > 0) {
print_virtual_memory_line(virtual_memory->reserved(), virtual_memory->committed());
}
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);
} else if (flag == mtClass) {
// Metadata information
report_metadata(Metaspace::NonClassType);
if (Metaspace::using_class_space()) {
report_metadata(Metaspace::ClassType);
}
}
out->print_cr(" ");
}
}
void MemSummaryReporter::report_metadata(Metaspace::MetadataType type) const {
assert(type == Metaspace::NonClassType || type == Metaspace::ClassType,
"Invalid metadata type");
const char* name = (type == Metaspace::NonClassType) ?
"Metadata: " : "Class space:";
outputStream* out = output();
const char* scale = current_scale();
size_t committed = MetaspaceUtils::committed_bytes(type);
size_t used = MetaspaceUtils::used_bytes(type);
size_t free = (MetaspaceUtils::capacity_bytes(type) - used)
+ MetaspaceUtils::free_chunks_total_bytes(type)
+ MetaspaceUtils::free_in_vs_bytes(type);
assert(committed >= used + free, "Sanity");
size_t waste = committed - (used + free);
out->print_cr("%27s ( %s)", " ", name);
out->print("%27s ( ", " ");
print_total(MetaspaceUtils::reserved_bytes(type), committed);
out->print_cr(")");
out->print_cr("%27s ( used=" SIZE_FORMAT "%s)", " ", amount_in_current_scale(used), scale);
out->print_cr("%27s ( free=" SIZE_FORMAT "%s)", " ", amount_in_current_scale(free), scale);
out->print_cr("%27s ( waste=" SIZE_FORMAT "%s =%2.2f%%)", " ", amount_in_current_scale(waste),
scale, ((float)waste * 100)/committed);
}
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();
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;
const NativeCallStack* stack = malloc_site->call_stack();
stack->print_on(out);
out->print("%29s", " ");
MEMFLAGS flag = malloc_site->flag();
assert((flag >= 0 && flag < (int)mt_number_of_types) && flag != mtNone,
"Must have a valid memory type");
print_malloc(malloc_site->size(), malloc_site->count(),flag);
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 ((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());
MEMFLAGS flag = virtual_memory_site->flag();
if (flag != mtNone) {
out->print(" Type=%s", NMTUtil::flag_to_name(flag));
}
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->size() == reserved_rgn->committed_size();
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);
}
if (all_committed) {
CommittedRegionIterator itr = reserved_rgn->iterate_committed_regions();
const CommittedMemoryRegion* committed_rgn = itr.next();
if (committed_rgn->size() == reserved_rgn->size() && committed_rgn->call_stack()->equals(*stack)) {
// One region spanning the entire reserved region, with the same stack trace.
// Don't print this regions because the "reserved and committed" line above
// already indicates that the region is comitted.
assert(itr.next() == NULL, "Unexpectedly more than one regions");
return;
}
}
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 MemSummaryDiffReporter::report_diff() {
const char* scale = current_scale();
outputStream* out = output();
out->print_cr("\nNative Memory Tracking:\n");
// 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());
out->print_cr("\n");
// 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),
_early_baseline.metaspace_snapshot(),
_current_baseline.malloc_memory(flag),
_current_baseline.virtual_memory(flag),
_current_baseline.metaspace_snapshot());
}
}
void MemSummaryDiffReporter::print_malloc_diff(size_t current_amount, size_t current_count,
size_t early_amount, size_t early_count, MEMFLAGS flags) const {
const char* scale = current_scale();
outputStream* out = output();
const char* alloc_type = (flags == mtThread) ? "" : "malloc=";
out->print("%s" SIZE_FORMAT "%s", alloc_type, amount_in_current_scale(current_amount), scale);
// Report type only if it is valid and not under "thread" category
if (flags != mtNone && flags != mtThread) {
out->print(" type=%s", NMTUtil::flag_to_name(flags));
}
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));
}
}
}
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));
}
}
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 MemSummaryDiffReporter::diff_summary_of_type(MEMFLAGS flag,
const MallocMemory* early_malloc, const VirtualMemory* early_vm,
const MetaspaceSnapshot* early_ms,
const MallocMemory* current_malloc, const VirtualMemory* current_vm,
const MetaspaceSnapshot* current_ms) 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);
// 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 (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(")");
// 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(")");
out->print("%27s ( instance classes #" SIZE_FORMAT, " ", _current_baseline.instance_class_count());
if (_current_baseline.instance_class_count() != _early_baseline.instance_class_count()) {
out->print(" %+d", (int)(_current_baseline.instance_class_count() - _early_baseline.instance_class_count()));
}
out->print(", array classes #" SIZE_FORMAT, _current_baseline.array_class_count());
if (_current_baseline.array_class_count() != _early_baseline.array_class_count()) {
out->print(" %+d", (int)(_current_baseline.array_class_count() - _early_baseline.array_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(")");
out->print("%27s (stack: ", " ");
if (ThreadStackTracker::track_as_vm()) {
// report thread stack
const VirtualMemory* current_thread_stack =
_current_baseline.virtual_memory(mtThreadStack);
const VirtualMemory* early_thread_stack =
_early_baseline.virtual_memory(mtThreadStack);
print_virtual_memory_diff(current_thread_stack->reserved(), current_thread_stack->committed(),
early_thread_stack->reserved(), early_thread_stack->committed());
} else {
const MallocMemory* current_thread_stack =
_current_baseline.malloc_memory(mtThreadStack);
const MallocMemory* early_thread_stack =
_early_baseline.malloc_memory(mtThreadStack);
print_malloc_diff(current_thread_stack->malloc_size(), current_thread_stack->malloc_count(),
early_thread_stack->malloc_size(), early_thread_stack->malloc_count(), flag);
}
out->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(), mtNone);
out->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(")");
}
// 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(")");
}
// 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());
out->print("%27s (tracking overhead=" SIZE_FORMAT "%s", " ",
amount_in_current_scale(_current_baseline.malloc_tracking_overhead()), scale);
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);
}
out->print_cr(")");
} else if (flag == mtClass) {
assert(current_ms != NULL && early_ms != NULL, "Sanity");
print_metaspace_diff(current_ms, early_ms);
}
out->print_cr(" ");
}
}
void MemSummaryDiffReporter::print_metaspace_diff(const MetaspaceSnapshot* current_ms,
const MetaspaceSnapshot* early_ms) const {
print_metaspace_diff(Metaspace::NonClassType, current_ms, early_ms);
if (Metaspace::using_class_space()) {
print_metaspace_diff(Metaspace::ClassType, current_ms, early_ms);
}
}
void MemSummaryDiffReporter::print_metaspace_diff(Metaspace::MetadataType type,
const MetaspaceSnapshot* current_ms,
const MetaspaceSnapshot* early_ms) const {
const char* name = (type == Metaspace::NonClassType) ?
"Metadata: " : "Class space:";
outputStream* out = output();
const char* scale = current_scale();
out->print_cr("%27s ( %s)", " ", name);
out->print("%27s ( ", " ");
print_virtual_memory_diff(current_ms->reserved_in_bytes(type),
current_ms->committed_in_bytes(type),
early_ms->reserved_in_bytes(type),
early_ms->committed_in_bytes(type));
out->print_cr(")");
long diff_used = diff_in_current_scale(current_ms->used_in_bytes(type),
early_ms->used_in_bytes(type));
long diff_free = diff_in_current_scale(current_ms->free_in_bytes(type),
early_ms->free_in_bytes(type));
size_t current_waste = current_ms->committed_in_bytes(type)
- (current_ms->used_in_bytes(type) + current_ms->free_in_bytes(type));
size_t early_waste = early_ms->committed_in_bytes(type)
- (early_ms->used_in_bytes(type) + early_ms->free_in_bytes(type));
long diff_waste = diff_in_current_scale(current_waste, early_waste);
// Diff used
out->print("%27s ( used=" SIZE_FORMAT "%s", " ",
amount_in_current_scale(current_ms->used_in_bytes(type)), scale);
if (diff_used != 0) {
out->print(" %+ld%s", diff_used, scale);
}
out->print_cr(")");
// Diff free
out->print("%27s ( free=" SIZE_FORMAT "%s", " ",
amount_in_current_scale(current_ms->free_in_bytes(type)), scale);
if (diff_free != 0) {
out->print(" %+ld%s", diff_free, scale);
}
out->print_cr(")");
// Diff waste
out->print("%27s ( waste=" SIZE_FORMAT "%s =%2.2f%%", " ",
amount_in_current_scale(current_waste), scale,
((float)current_waste * 100) / current_ms->committed_in_bytes(type));
if (diff_waste != 0) {
out->print(" %+ld%s", diff_waste, scale);
}
out->print_cr(")");
}
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_and_type);
MallocSiteIterator current_itr = _current_baseline.malloc_sites(MemBaseline::by_site_and_type);
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 {
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 {
diff_malloc_site(early_site, current_site);
early_site = early_itr.next();
current_site = current_itr.next();
}
}
}
}
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);
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