This commit is contained in:
Jesper Wilhelmsson 2014-11-26 20:36:36 +00:00
commit d4c7f00306
7 changed files with 57 additions and 25 deletions

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@ -1425,6 +1425,18 @@ void G1CollectorPolicy::print_yg_surv_rate_info() const {
#endif // PRODUCT
}
bool G1CollectorPolicy::is_young_list_full() {
uint young_list_length = _g1->young_list()->length();
uint young_list_target_length = _young_list_target_length;
return young_list_length >= young_list_target_length;
}
bool G1CollectorPolicy::can_expand_young_list() {
uint young_list_length = _g1->young_list()->length();
uint young_list_max_length = _young_list_max_length;
return young_list_length < young_list_max_length;
}
uint G1CollectorPolicy::max_regions(int purpose) {
switch (purpose) {
case GCAllocForSurvived:

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@ -26,6 +26,7 @@
#define SHARE_VM_GC_IMPLEMENTATION_G1_G1COLLECTORPOLICY_HPP
#include "gc_implementation/g1/collectionSetChooser.hpp"
#include "gc_implementation/g1/g1Allocator.hpp"
#include "gc_implementation/g1/g1MMUTracker.hpp"
#include "memory/collectorPolicy.hpp"
@ -807,7 +808,7 @@ public:
// If an expansion would be appropriate, because recent GC overhead had
// exceeded the desired limit, return an amount to expand by.
size_t expansion_amount();
virtual size_t expansion_amount();
// Print tracing information.
void print_tracing_info() const;
@ -826,17 +827,9 @@ public:
size_t young_list_target_length() const { return _young_list_target_length; }
bool is_young_list_full() {
uint young_list_length = _g1->young_list()->length();
uint young_list_target_length = _young_list_target_length;
return young_list_length >= young_list_target_length;
}
bool is_young_list_full();
bool can_expand_young_list() {
uint young_list_length = _g1->young_list()->length();
uint young_list_max_length = _young_list_max_length;
return young_list_length < young_list_max_length;
}
bool can_expand_young_list();
uint young_list_max_length() {
return _young_list_max_length;

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@ -0,0 +1,32 @@
/*
* Copyright (c) 2014, 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.
*
*/
#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1COLLECTORPOLICY_EXT_HPP
#define SHARE_VM_GC_IMPLEMENTATION_G1_G1COLLECTORPOLICY_EXT_HPP
#include "gc_implementation/g1/g1CollectorPolicy.hpp"
class G1CollectorPolicyExt : public G1CollectorPolicy { };
#endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1COLLECTORPOLICY_EXT_HPP

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@ -76,7 +76,7 @@
#include "gc_implementation/shared/adaptiveSizePolicy.hpp"
#include "gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.hpp"
#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
#include "gc_implementation/g1/g1CollectorPolicy.hpp"
#include "gc_implementation/g1/g1CollectorPolicy_ext.hpp"
#include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
#endif // INCLUDE_ALL_GCS
#if INCLUDE_CDS
@ -799,7 +799,7 @@ jint Universe::initialize_heap() {
} else if (UseG1GC) {
#if INCLUDE_ALL_GCS
G1CollectorPolicy* g1p = new G1CollectorPolicy();
G1CollectorPolicyExt* g1p = new G1CollectorPolicyExt();
g1p->initialize_all();
G1CollectedHeap* g1h = new G1CollectedHeap(g1p);
Universe::_collectedHeap = g1h;

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@ -2300,7 +2300,7 @@ bool Arguments::check_vm_args_consistency() {
FLAG_SET_DEFAULT(UseGCOverheadLimit, false);
}
status = status && ArgumentsExt::check_gc_consistency_user();
status = status && check_gc_consistency_user();
status = status && check_stack_pages();
status = status && verify_percentage(CMSIncrementalSafetyFactor,
@ -3556,7 +3556,7 @@ jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_req
}
}
if (!ArgumentsExt::check_vm_args_consistency()) {
if (!check_vm_args_consistency()) {
return JNI_ERR;
}
@ -3954,7 +3954,7 @@ jint Arguments::apply_ergo() {
// Set heap size based on available physical memory
set_heap_size();
set_gc_specific_flags();
ArgumentsExt::set_gc_specific_flags();
// Initialize Metaspace flags and alignments
Metaspace::ergo_initialize();

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@ -346,7 +346,6 @@ class Arguments : AllStatic {
static void select_gc();
static void set_ergonomics_flags();
static void set_shared_spaces_flags();
static void set_gc_specific_flags();
// limits the given memory size by the maximum amount of memory this process is
// currently allowed to allocate or reserve.
static julong limit_by_allocatable_memory(julong size);
@ -458,6 +457,7 @@ class Arguments : AllStatic {
// Adjusts the arguments after the OS have adjusted the arguments
static jint adjust_after_os();
static void set_gc_specific_flags();
static inline bool gc_selected(); // whether a gc has been selected
static void select_gc_ergonomically();

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@ -31,9 +31,8 @@
class ArgumentsExt: AllStatic {
public:
static inline void select_gc_ergonomically();
static inline bool check_gc_consistency_user();
static inline void set_gc_specific_flags();
static inline bool check_gc_consistency_ergo();
static inline bool check_vm_args_consistency();
// The argument processing extension. Returns true if there is
// no additional parsing needed in Arguments::parse() for the option.
// Otherwise returns false.
@ -44,16 +43,12 @@ void ArgumentsExt::select_gc_ergonomically() {
Arguments::select_gc_ergonomically();
}
bool ArgumentsExt::check_gc_consistency_user() {
return Arguments::check_gc_consistency_user();
void ArgumentsExt::set_gc_specific_flags() {
Arguments::set_gc_specific_flags();
}
bool ArgumentsExt::check_gc_consistency_ergo() {
return Arguments::check_gc_consistency_ergo();
}
bool ArgumentsExt::check_vm_args_consistency() {
return Arguments::check_vm_args_consistency();
}
#endif // SHARE_VM_RUNTIME_ARGUMENTS_EXT_HPP