--- a/hotspot/src/os/posix/vm/os_posix.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/os/posix/vm/os_posix.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -336,13 +336,13 @@
const char *start;
if (lib_name != NULL) {
- len = name_len = strlen(lib_name);
+ name_len = strlen(lib_name);
if (is_absolute_path) {
// Need to strip path, prefix and suffix
if ((start = strrchr(lib_name, *os::file_separator())) != NULL) {
lib_name = ++start;
}
- if (len <= (prefix_len + suffix_len)) {
+ if (strlen(lib_name) <= (prefix_len + suffix_len)) {
return NULL;
}
lib_name += prefix_len;
--- a/hotspot/src/os/windows/vm/os_windows.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/os/windows/vm/os_windows.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -951,11 +951,11 @@
FILETIME wt;
GetSystemTimeAsFileTime(&wt);
jlong rtc_millis = windows_to_java_time(wt);
- jlong user_millis = windows_to_java_time(user_time);
- jlong system_millis = windows_to_java_time(kernel_time);
*process_real_time = ((double) rtc_millis) / ((double) MILLIUNITS);
- *process_user_time = ((double) user_millis) / ((double) MILLIUNITS);
- *process_system_time = ((double) system_millis) / ((double) MILLIUNITS);
+ *process_user_time =
+ (double) jlong_from(user_time.dwHighDateTime, user_time.dwLowDateTime) / (10 * MICROUNITS);
+ *process_system_time =
+ (double) jlong_from(kernel_time.dwHighDateTime, kernel_time.dwLowDateTime) / (10 * MICROUNITS);
return true;
} else {
return false;
--- a/hotspot/src/share/vm/code/codeCache.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/code/codeCache.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -637,16 +637,19 @@
}
// Walk the list of methods which might contain non-perm oops.
-void CodeCache::scavenge_root_nmethods_do(CodeBlobClosure* f) {
+void CodeCache::scavenge_root_nmethods_do(CodeBlobToOopClosure* f) {
assert_locked_or_safepoint(CodeCache_lock);
if (UseG1GC) {
return;
}
+ const bool fix_relocations = f->fix_relocations();
debug_only(mark_scavenge_root_nmethods());
- for (nmethod* cur = scavenge_root_nmethods(); cur != NULL; cur = cur->scavenge_root_link()) {
+ nmethod* prev = NULL;
+ nmethod* cur = scavenge_root_nmethods();
+ while (cur != NULL) {
debug_only(cur->clear_scavenge_root_marked());
assert(cur->scavenge_root_not_marked(), "");
assert(cur->on_scavenge_root_list(), "else shouldn't be on this list");
@@ -659,6 +662,18 @@
// Perform cur->oops_do(f), maybe just once per nmethod.
f->do_code_blob(cur);
}
+ nmethod* const next = cur->scavenge_root_link();
+ // The scavengable nmethod list must contain all methods with scavengable
+ // oops. It is safe to include more nmethod on the list, but we do not
+ // expect any live non-scavengable nmethods on the list.
+ if (fix_relocations) {
+ if (!is_live || !cur->detect_scavenge_root_oops()) {
+ unlink_scavenge_root_nmethod(cur, prev);
+ } else {
+ prev = cur;
+ }
+ }
+ cur = next;
}
// Check for stray marks.
@@ -678,6 +693,24 @@
print_trace("add_scavenge_root", nm);
}
+void CodeCache::unlink_scavenge_root_nmethod(nmethod* nm, nmethod* prev) {
+ assert_locked_or_safepoint(CodeCache_lock);
+
+ assert((prev == NULL && scavenge_root_nmethods() == nm) ||
+ (prev != NULL && prev->scavenge_root_link() == nm), "precondition");
+
+ assert(!UseG1GC, "G1 does not use the scavenge_root_nmethods list");
+
+ print_trace("unlink_scavenge_root", nm);
+ if (prev == NULL) {
+ set_scavenge_root_nmethods(nm->scavenge_root_link());
+ } else {
+ prev->set_scavenge_root_link(nm->scavenge_root_link());
+ }
+ nm->set_scavenge_root_link(NULL);
+ nm->clear_on_scavenge_root_list();
+}
+
void CodeCache::drop_scavenge_root_nmethod(nmethod* nm) {
assert_locked_or_safepoint(CodeCache_lock);
@@ -686,20 +719,13 @@
}
print_trace("drop_scavenge_root", nm);
- nmethod* last = NULL;
- nmethod* cur = scavenge_root_nmethods();
- while (cur != NULL) {
- nmethod* next = cur->scavenge_root_link();
+ nmethod* prev = NULL;
+ for (nmethod* cur = scavenge_root_nmethods(); cur != NULL; cur = cur->scavenge_root_link()) {
if (cur == nm) {
- if (last != NULL)
- last->set_scavenge_root_link(next);
- else set_scavenge_root_nmethods(next);
- nm->set_scavenge_root_link(NULL);
- nm->clear_on_scavenge_root_list();
+ unlink_scavenge_root_nmethod(cur, prev);
return;
}
- last = cur;
- cur = next;
+ prev = cur;
}
assert(false, "should have been on list");
}
@@ -728,11 +754,7 @@
} else {
// Prune it from the list, so we don't have to look at it any more.
print_trace("prune_scavenge_root", cur);
- cur->set_scavenge_root_link(NULL);
- cur->clear_on_scavenge_root_list();
- if (last != NULL)
- last->set_scavenge_root_link(next);
- else set_scavenge_root_nmethods(next);
+ unlink_scavenge_root_nmethod(cur, last);
}
cur = next;
}
--- a/hotspot/src/share/vm/code/codeCache.hpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/code/codeCache.hpp Wed Mar 16 14:31:33 2016 +0100
@@ -116,6 +116,10 @@
static int allocated_segments();
static size_t freelists_length();
+ static void set_scavenge_root_nmethods(nmethod* nm) { _scavenge_root_nmethods = nm; }
+ static void prune_scavenge_root_nmethods();
+ static void unlink_scavenge_root_nmethod(nmethod* nm, nmethod* prev);
+
public:
// Initialization
static void initialize();
@@ -153,13 +157,17 @@
// to "true" iff some code got unloaded.
static void do_unloading(BoolObjectClosure* is_alive, bool unloading_occurred);
static void asserted_non_scavengable_nmethods_do(CodeBlobClosure* f = NULL) PRODUCT_RETURN;
- static void scavenge_root_nmethods_do(CodeBlobClosure* f);
+
+ // Apply f to every live code blob in scavengable nmethods. Prune nmethods
+ // from the list of scavengable nmethods if f->fix_relocations() and a nmethod
+ // no longer has scavengable oops. If f->fix_relocations(), then f must copy
+ // objects to their new location immediately to avoid fixing nmethods on the
+ // basis of the old object locations.
+ static void scavenge_root_nmethods_do(CodeBlobToOopClosure* f);
static nmethod* scavenge_root_nmethods() { return _scavenge_root_nmethods; }
- static void set_scavenge_root_nmethods(nmethod* nm) { _scavenge_root_nmethods = nm; }
static void add_scavenge_root_nmethod(nmethod* nm);
static void drop_scavenge_root_nmethod(nmethod* nm);
- static void prune_scavenge_root_nmethods();
// Printing/debugging
static void print(); // prints summary
--- a/hotspot/src/share/vm/code/nmethod.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/code/nmethod.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -1381,7 +1381,6 @@
assert(_method == NULL, "Tautology");
set_osr_link(NULL);
- //set_scavenge_root_link(NULL); // done by prune_scavenge_root_nmethods
NMethodSweeper::report_state_change(this);
}
--- a/hotspot/src/share/vm/gc/g1/g1CollectedHeap.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/gc/g1/g1CollectedHeap.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -2329,9 +2329,13 @@
GCIdMarkAndRestore conc_gc_id_mark(_cmThread->gc_id());
if (_cm->has_aborted()) {
_gc_tracer_cm->report_concurrent_mode_failure();
+
+ // ConcurrentGCTimer will be ended as well.
+ _cm->register_concurrent_gc_end_and_stop_timer();
+ } else {
+ _gc_timer_cm->register_gc_end();
}
- _gc_timer_cm->register_gc_end();
_gc_tracer_cm->report_gc_end(_gc_timer_cm->gc_end(), _gc_timer_cm->time_partitions());
// Clear state variables to prepare for the next concurrent cycle.
--- a/hotspot/src/share/vm/gc/g1/g1CollectorPolicy.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/gc/g1/g1CollectorPolicy.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -269,6 +269,8 @@
_reserve_regions = 0;
_cset_chooser = new CollectionSetChooser();
+
+ _ihop_control = create_ihop_control();
}
G1CollectorPolicy::~G1CollectorPolicy() {
@@ -469,8 +471,6 @@
if (max_young_size != MaxNewSize) {
FLAG_SET_ERGO(size_t, MaxNewSize, max_young_size);
}
-
- _ihop_control = create_ihop_control();
}
void G1CollectorPolicy::initialize_flags() {
@@ -565,6 +565,8 @@
_reserve_regions = (uint) ceil(reserve_regions_d);
_young_gen_sizer->heap_size_changed(new_number_of_regions);
+
+ _ihop_control->update_target_occupancy(new_number_of_regions * HeapRegion::GrainBytes);
}
uint G1CollectorPolicy::calculate_young_list_desired_min_length(
@@ -1234,13 +1236,11 @@
G1IHOPControl* G1CollectorPolicy::create_ihop_control() const {
if (G1UseAdaptiveIHOP) {
return new G1AdaptiveIHOPControl(InitiatingHeapOccupancyPercent,
- G1CollectedHeap::heap()->max_capacity(),
&_predictor,
G1ReservePercent,
G1HeapWastePercent);
} else {
- return new G1StaticIHOPControl(InitiatingHeapOccupancyPercent,
- G1CollectedHeap::heap()->max_capacity());
+ return new G1StaticIHOPControl(InitiatingHeapOccupancyPercent);
}
}
--- a/hotspot/src/share/vm/gc/g1/g1ConcurrentMark.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/gc/g1/g1ConcurrentMark.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -441,7 +441,7 @@
_has_aborted(false),
_restart_for_overflow(false),
_concurrent_marking_in_progress(false),
- _concurrent_phase_started(false),
+ _concurrent_phase_status(ConcPhaseNotStarted),
// _verbose_level set below
@@ -1008,16 +1008,43 @@
}
void G1ConcurrentMark::register_concurrent_phase_start(const char* title) {
- assert(!_concurrent_phase_started, "Sanity");
- _concurrent_phase_started = true;
+ uint old_val = 0;
+ do {
+ old_val = Atomic::cmpxchg(ConcPhaseStarted, &_concurrent_phase_status, ConcPhaseNotStarted);
+ } while (old_val != ConcPhaseNotStarted);
_g1h->gc_timer_cm()->register_gc_concurrent_start(title);
}
+void G1ConcurrentMark::register_concurrent_phase_end_common(bool end_timer) {
+ if (_concurrent_phase_status == ConcPhaseNotStarted) {
+ return;
+ }
+
+ uint old_val = Atomic::cmpxchg(ConcPhaseStopping, &_concurrent_phase_status, ConcPhaseStarted);
+ if (old_val == ConcPhaseStarted) {
+ _g1h->gc_timer_cm()->register_gc_concurrent_end();
+ // If 'end_timer' is true, we came here to end timer which needs concurrent phase ended.
+ // We need to end it before changing the status to 'ConcPhaseNotStarted' to prevent
+ // starting a new concurrent phase by 'ConcurrentMarkThread'.
+ if (end_timer) {
+ _g1h->gc_timer_cm()->register_gc_end();
+ }
+ old_val = Atomic::cmpxchg(ConcPhaseNotStarted, &_concurrent_phase_status, ConcPhaseStopping);
+ assert(old_val == ConcPhaseStopping, "Should not have changed since we entered this scope.");
+ } else {
+ do {
+ // Let other thread finish changing '_concurrent_phase_status' to 'ConcPhaseNotStarted'.
+ os::naked_short_sleep(1);
+ } while (_concurrent_phase_status != ConcPhaseNotStarted);
+ }
+}
+
void G1ConcurrentMark::register_concurrent_phase_end() {
- if (_concurrent_phase_started) {
- _concurrent_phase_started = false;
- _g1h->gc_timer_cm()->register_gc_concurrent_end();
- }
+ register_concurrent_phase_end_common(false);
+}
+
+void G1ConcurrentMark::register_concurrent_gc_end_and_stop_timer() {
+ register_concurrent_phase_end_common(true);
}
void G1ConcurrentMark::markFromRoots() {
@@ -2605,9 +2632,6 @@
_g1h->trace_heap_after_concurrent_cycle();
- // Close any open concurrent phase timing
- register_concurrent_phase_end();
-
_g1h->register_concurrent_cycle_end();
}
--- a/hotspot/src/share/vm/gc/g1/g1ConcurrentMark.hpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/gc/g1/g1ConcurrentMark.hpp Wed Mar 16 14:31:33 2016 +0100
@@ -352,8 +352,17 @@
// time of remark.
volatile bool _concurrent_marking_in_progress;
- // Keep track of whether we have started concurrent phase or not.
- bool _concurrent_phase_started;
+ // There would be a race between ConcurrentMarkThread and VMThread(ConcurrentMark::abort())
+ // to call ConcurrentGCTimer::register_gc_concurrent_end().
+ // And this variable is used to keep track of concurrent phase.
+ volatile uint _concurrent_phase_status;
+ // Concurrent phase is not yet started.
+ static const uint ConcPhaseNotStarted = 0;
+ // Concurrent phase is started.
+ static const uint ConcPhaseStarted = 1;
+ // Caller thread of ConcurrentGCTimer::register_gc_concurrent_end() is ending concurrent phase.
+ // So other thread should wait until the status to be changed to ConcPhaseNotStarted.
+ static const uint ConcPhaseStopping = 2;
// All of these times are in ms
NumberSeq _init_times;
@@ -485,6 +494,9 @@
// Set to true when initialization is complete
bool _completed_initialization;
+ // end_timer, true to end gc timer after ending concurrent phase.
+ void register_concurrent_phase_end_common(bool end_timer);
+
public:
// Manipulation of the global mark stack.
// The push and pop operations are used by tasks for transfers
@@ -520,6 +532,8 @@
void register_concurrent_phase_start(const char* title);
void register_concurrent_phase_end();
+ // Ends both concurrent phase and timer.
+ void register_concurrent_gc_end_and_stop_timer();
void update_accum_task_vtime(int i, double vtime) {
_accum_task_vtime[i] += vtime;
--- a/hotspot/src/share/vm/gc/g1/g1IHOPControl.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/gc/g1/g1IHOPControl.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -29,15 +29,21 @@
#include "gc/shared/gcTrace.hpp"
#include "logging/log.hpp"
-G1IHOPControl::G1IHOPControl(double initial_ihop_percent, size_t target_occupancy) :
+G1IHOPControl::G1IHOPControl(double initial_ihop_percent) :
_initial_ihop_percent(initial_ihop_percent),
- _target_occupancy(target_occupancy),
+ _target_occupancy(0),
_last_allocated_bytes(0),
_last_allocation_time_s(0.0)
{
assert(_initial_ihop_percent >= 0.0 && _initial_ihop_percent <= 100.0, "Initial IHOP value must be between 0 and 100 but is %.3f", initial_ihop_percent);
}
+void G1IHOPControl::update_target_occupancy(size_t new_target_occupancy) {
+ log_debug(gc, ihop)("Target occupancy update: old: " SIZE_FORMAT "B, new: " SIZE_FORMAT "B",
+ _target_occupancy, new_target_occupancy);
+ _target_occupancy = new_target_occupancy;
+}
+
void G1IHOPControl::update_allocation_info(double allocation_time_s, size_t allocated_bytes, size_t additional_buffer_size) {
assert(allocation_time_s >= 0.0, "Allocation time must be positive but is %.3f", allocation_time_s);
@@ -46,6 +52,7 @@
}
void G1IHOPControl::print() {
+ assert(_target_occupancy > 0, "Target occupancy still not updated yet.");
size_t cur_conc_mark_start_threshold = get_conc_mark_start_threshold();
log_debug(gc, ihop)("Basic information (value update), threshold: " SIZE_FORMAT "B (%1.2f), target occupancy: " SIZE_FORMAT "B, current occupancy: " SIZE_FORMAT "B, "
"recent allocation size: " SIZE_FORMAT "B, recent allocation duration: %1.2fms, recent old gen allocation rate: %1.2fB/s, recent marking phase length: %1.2fms",
@@ -60,6 +67,7 @@
}
void G1IHOPControl::send_trace_event(G1NewTracer* tracer) {
+ assert(_target_occupancy > 0, "Target occupancy still not updated yet.");
tracer->report_basic_ihop_statistics(get_conc_mark_start_threshold(),
_target_occupancy,
G1CollectedHeap::heap()->used(),
@@ -68,10 +76,9 @@
last_marking_length_s());
}
-G1StaticIHOPControl::G1StaticIHOPControl(double ihop_percent, size_t target_occupancy) :
- G1IHOPControl(ihop_percent, target_occupancy),
+G1StaticIHOPControl::G1StaticIHOPControl(double ihop_percent) :
+ G1IHOPControl(ihop_percent),
_last_marking_length_s(0.0) {
- assert(_target_occupancy > 0, "Target occupancy must be larger than zero.");
}
#ifndef PRODUCT
@@ -85,7 +92,8 @@
void G1StaticIHOPControl::test() {
size_t const initial_ihop = 45;
- G1StaticIHOPControl ctrl(initial_ihop, 100);
+ G1StaticIHOPControl ctrl(initial_ihop);
+ ctrl.update_target_occupancy(100);
size_t threshold = ctrl.get_conc_mark_start_threshold();
assert(threshold == initial_ihop,
@@ -115,11 +123,10 @@
#endif
G1AdaptiveIHOPControl::G1AdaptiveIHOPControl(double ihop_percent,
- size_t initial_target_occupancy,
G1Predictions const* predictor,
size_t heap_reserve_percent,
size_t heap_waste_percent) :
- G1IHOPControl(ihop_percent, initial_target_occupancy),
+ G1IHOPControl(ihop_percent),
_predictor(predictor),
_marking_times_s(10, 0.95),
_allocation_rate_s(10, 0.95),
@@ -130,6 +137,7 @@
}
size_t G1AdaptiveIHOPControl::actual_target_threshold() const {
+ guarantee(_target_occupancy > 0, "Target occupancy still not updated yet.");
// The actual target threshold takes the heap reserve and the expected waste in
// free space into account.
// _heap_reserve is that part of the total heap capacity that is reserved for
@@ -227,7 +235,8 @@
// target_size - (young_size + alloc_amount/alloc_time * marking_time)
G1Predictions pred(0.95);
- G1AdaptiveIHOPControl ctrl(initial_threshold, target_size, &pred, 0, 0);
+ G1AdaptiveIHOPControl ctrl(initial_threshold, &pred, 0, 0);
+ ctrl.update_target_occupancy(target_size);
// First "load".
size_t const alloc_time1 = 2;
@@ -288,5 +297,6 @@
void IHOP_test() {
G1StaticIHOPControl::test();
+ G1AdaptiveIHOPControl::test();
}
#endif
--- a/hotspot/src/share/vm/gc/g1/g1IHOPControl.hpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/gc/g1/g1IHOPControl.hpp Wed Mar 16 14:31:33 2016 +0100
@@ -38,7 +38,8 @@
protected:
// The initial IHOP value relative to the target occupancy.
double _initial_ihop_percent;
- // The target maximum occupancy of the heap.
+ // The target maximum occupancy of the heap. The target occupancy is the number
+ // of bytes when marking should be finished and reclaim started.
size_t _target_occupancy;
// Most recent complete mutator allocation period in seconds.
@@ -46,10 +47,9 @@
// Amount of bytes allocated during _last_allocation_time_s.
size_t _last_allocated_bytes;
- // Initialize an instance with the initial IHOP value in percent and the target
- // occupancy. The target occupancy is the number of bytes when marking should
- // be finished and reclaim started.
- G1IHOPControl(double initial_ihop_percent, size_t target_occupancy);
+ // Initialize an instance with the initial IHOP value in percent. The target
+ // occupancy will be updated at the first heap expansion.
+ G1IHOPControl(double initial_ihop_percent);
// Most recent time from the end of the initial mark to the start of the first
// mixed gc.
@@ -60,6 +60,8 @@
// Get the current non-young occupancy at which concurrent marking should start.
virtual size_t get_conc_mark_start_threshold() = 0;
+ // Adjust target occupancy.
+ virtual void update_target_occupancy(size_t new_target_occupancy);
// Update information about time during which allocations in the Java heap occurred,
// how large these allocations were in bytes, and an additional buffer.
// The allocations should contain any amount of space made unusable for further
@@ -86,9 +88,12 @@
protected:
double last_marking_length_s() const { return _last_marking_length_s; }
public:
- G1StaticIHOPControl(double ihop_percent, size_t target_occupancy);
+ G1StaticIHOPControl(double ihop_percent);
- size_t get_conc_mark_start_threshold() { return (size_t) (_initial_ihop_percent * _target_occupancy / 100.0); }
+ size_t get_conc_mark_start_threshold() {
+ guarantee(_target_occupancy > 0, "Target occupancy must have been initialized.");
+ return (size_t) (_initial_ihop_percent * _target_occupancy / 100.0);
+ }
virtual void update_marking_length(double marking_length_s) {
assert(marking_length_s > 0.0, "Marking length must be larger than zero but is %.3f", marking_length_s);
@@ -132,7 +137,6 @@
virtual double last_marking_length_s() const { return _marking_times_s.last(); }
public:
G1AdaptiveIHOPControl(double ihop_percent,
- size_t initial_target_occupancy,
G1Predictions const* predictor,
size_t heap_reserve_percent, // The percentage of total heap capacity that should not be tapped into.
size_t heap_waste_percent); // The percentage of the free space in the heap that we think is not usable for allocation.
--- a/hotspot/src/share/vm/gc/g1/g1OopClosures.inline.hpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/gc/g1/g1OopClosures.inline.hpp Wed Mar 16 14:31:33 2016 +0100
@@ -171,14 +171,7 @@
#ifdef ASSERT
// can't do because of races
// assert(obj == NULL || obj->is_oop(), "expected an oop");
-
- // Do the safe subset of is_oop
-#ifdef CHECK_UNHANDLED_OOPS
- oopDesc* o = obj.obj();
-#else
- oopDesc* o = obj;
-#endif // CHECK_UNHANDLED_OOPS
- assert((intptr_t)o % MinObjAlignmentInBytes == 0, "not oop aligned");
+ assert(check_obj_alignment(obj), "not oop aligned");
assert(_g1->is_in_reserved(obj), "must be in heap");
#endif // ASSERT
--- a/hotspot/src/share/vm/gc/g1/g1RemSet.inline.hpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/gc/g1/g1RemSet.inline.hpp Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2016, 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
@@ -44,14 +44,7 @@
#ifdef ASSERT
// can't do because of races
// assert(obj == NULL || obj->is_oop(), "expected an oop");
-
- // Do the safe subset of is_oop
-#ifdef CHECK_UNHANDLED_OOPS
- oopDesc* o = obj.obj();
-#else
- oopDesc* o = obj;
-#endif // CHECK_UNHANDLED_OOPS
- assert((intptr_t)o % MinObjAlignmentInBytes == 0, "not oop aligned");
+ assert(check_obj_alignment(obj), "not oop aligned");
assert(_g1->is_in_reserved(obj), "must be in heap");
#endif // ASSERT
--- a/hotspot/src/share/vm/gc/parallel/psCompactionManager.inline.hpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/gc/parallel/psCompactionManager.inline.hpp Wed Mar 16 14:31:33 2016 +0100
@@ -125,14 +125,14 @@
T* const beg = base + beg_index;
T* const end = base + end_index;
+ if (end_index < len) {
+ cm->push_objarray(obj, end_index); // Push the continuation.
+ }
+
// Push the non-NULL elements of the next stride on the marking stack.
for (T* e = beg; e < end; e++) {
cm->mark_and_push<T>(e);
}
-
- if (end_index < len) {
- cm->push_objarray(obj, end_index); // Push the continuation.
- }
}
inline void ParCompactionManager::follow_contents(objArrayOop obj, int index) {
--- a/hotspot/src/share/vm/gc/parallel/psParallelCompact.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/gc/parallel/psParallelCompact.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -1484,17 +1484,6 @@
}
void
-PSParallelCompact::clear_source_region(HeapWord* beg_addr, HeapWord* end_addr)
-{
- RegionData* const beg_ptr = _summary_data.addr_to_region_ptr(beg_addr);
- HeapWord* const end_aligned_up = _summary_data.region_align_up(end_addr);
- RegionData* const end_ptr = _summary_data.addr_to_region_ptr(end_aligned_up);
- for (RegionData* cur = beg_ptr; cur < end_ptr; ++cur) {
- cur->set_source_region(0);
- }
-}
-
-void
PSParallelCompact::summarize_space(SpaceId id, bool maximum_compaction)
{
assert(id < last_space_id, "id out of range");
--- a/hotspot/src/share/vm/gc/parallel/psParallelCompact.hpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/gc/parallel/psParallelCompact.hpp Wed Mar 16 14:31:33 2016 +0100
@@ -1065,9 +1065,6 @@
// non-empty.
static void fill_dense_prefix_end(SpaceId id);
- // Clear the summary data source_region field for the specified addresses.
- static void clear_source_region(HeapWord* beg_addr, HeapWord* end_addr);
-
static void summarize_spaces_quick();
static void summarize_space(SpaceId id, bool maximum_compaction);
static void summary_phase(ParCompactionManager* cm, bool maximum_compaction);
--- a/hotspot/src/share/vm/gc/parallel/psScavenge.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/gc/parallel/psScavenge.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -600,12 +600,6 @@
NOT_PRODUCT(reference_processor()->verify_no_references_recorded());
- {
- GCTraceTime(Debug, gc, phases) tm("Prune Scavenge Root Methods", &_gc_timer);
-
- CodeCache::prune_scavenge_root_nmethods();
- }
-
// Re-verify object start arrays
if (VerifyObjectStartArray &&
VerifyAfterGC) {
--- a/hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -561,7 +561,7 @@
OopClosure* weak_roots,
CLDClosure* strong_cld_closure,
CLDClosure* weak_cld_closure,
- CodeBlobClosure* code_roots) {
+ CodeBlobToOopClosure* code_roots) {
// General roots.
assert(Threads::thread_claim_parity() != 0, "must have called prologue code");
assert(code_roots != NULL, "code root closure should always be set");
@@ -578,7 +578,7 @@
// Don't process them if they will be processed during the ClassLoaderDataGraph phase.
CLDClosure* roots_from_clds_p = (strong_cld_closure != weak_cld_closure) ? strong_cld_closure : NULL;
// Only process code roots from thread stacks if we aren't visiting the entire CodeCache anyway
- CodeBlobClosure* roots_from_code_p = (so & SO_AllCodeCache) ? NULL : code_roots;
+ CodeBlobToOopClosure* roots_from_code_p = (so & SO_AllCodeCache) ? NULL : code_roots;
bool is_par = scope->n_threads() > 1;
Threads::possibly_parallel_oops_do(is_par, strong_roots, roots_from_clds_p, roots_from_code_p);
--- a/hotspot/src/share/vm/gc/shared/genCollectedHeap.hpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/gc/shared/genCollectedHeap.hpp Wed Mar 16 14:31:33 2016 +0100
@@ -399,7 +399,7 @@
OopClosure* weak_roots,
CLDClosure* strong_cld_closure,
CLDClosure* weak_cld_closure,
- CodeBlobClosure* code_roots);
+ CodeBlobToOopClosure* code_roots);
public:
static const bool StrongAndWeakRoots = false;
--- a/hotspot/src/share/vm/logging/log.hpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/logging/log.hpp Wed Mar 16 14:31:33 2016 +0100
@@ -107,18 +107,25 @@
return LogTagSetMapping<T0, T1, T2, T3, T4>::tagset().is_level(level);
}
+ ATTRIBUTE_PRINTF(2, 3)
+ static void write(LogLevelType level, const char* fmt, ...) {
+ va_list args;
+ va_start(args, fmt);
+ vwrite(level, fmt, args);
+ va_end(args);
+ };
+
template <LogLevelType Level>
ATTRIBUTE_PRINTF(1, 2)
static void write(const char* fmt, ...) {
va_list args;
va_start(args, fmt);
- vwrite<Level>(fmt, args);
+ vwrite(Level, fmt, args);
va_end(args);
};
- template <LogLevelType Level>
- ATTRIBUTE_PRINTF(1, 0)
- static void vwrite(const char* fmt, va_list args) {
+ ATTRIBUTE_PRINTF(2, 0)
+ static void vwrite(LogLevelType level, const char* fmt, va_list args) {
char buf[LogBufferSize];
va_list saved_args; // For re-format on buf overflow.
va_copy(saved_args, args);
@@ -132,27 +139,26 @@
prefix_len = LogPrefix<T0, T1, T2, T3, T4>::prefix(newbuf, newbuf_len);
ret = os::log_vsnprintf(newbuf + prefix_len, newbuf_len - prefix_len, fmt, saved_args);
assert(ret >= 0, "Log message buffer issue");
- puts<Level>(newbuf);
+ puts(level, newbuf);
FREE_C_HEAP_ARRAY(char, newbuf);
} else {
- puts<Level>(buf);
+ puts(level, buf);
}
}
- template <LogLevelType Level>
- static void puts(const char* string) {
- LogTagSetMapping<T0, T1, T2, T3, T4>::tagset().log(Level, string);
+ static void puts(LogLevelType level, const char* string) {
+ LogTagSetMapping<T0, T1, T2, T3, T4>::tagset().log(level, string);
}
#define LOG_LEVEL(level, name) ATTRIBUTE_PRINTF(2, 0) \
Log& v##name(const char* fmt, va_list args) { \
- vwrite<LogLevel::level>(fmt, args); \
+ vwrite(LogLevel::level, fmt, args); \
return *this; \
} \
Log& name(const char* fmt, ...) ATTRIBUTE_PRINTF(2, 3) { \
va_list args; \
va_start(args, fmt); \
- vwrite<LogLevel::level>(fmt, args); \
+ vwrite(LogLevel::level, fmt, args); \
va_end(args); \
return *this; \
} \
--- a/hotspot/src/share/vm/memory/iterator.hpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/memory/iterator.hpp Wed Mar 16 14:31:33 2016 +0100
@@ -285,9 +285,12 @@
protected:
void do_nmethod(nmethod* nm);
public:
+ // If fix_relocations(), then cl must copy objects to their new location immediately to avoid
+ // patching nmethods with the old locations.
CodeBlobToOopClosure(OopClosure* cl, bool fix_relocations) : _cl(cl), _fix_relocations(fix_relocations) {}
virtual void do_code_blob(CodeBlob* cb);
+ bool fix_relocations() const { return _fix_relocations; }
const static bool FixRelocations = true;
};
--- a/hotspot/src/share/vm/oops/oop.inline.hpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/oops/oop.inline.hpp Wed Mar 16 14:31:33 2016 +0100
@@ -295,7 +295,7 @@
// in inner GC loops so these are separated.
inline bool check_obj_alignment(oop obj) {
- return cast_from_oop<intptr_t>(obj) % MinObjAlignmentInBytes == 0;
+ return (cast_from_oop<intptr_t>(obj) & MinObjAlignmentInBytesMask) == 0;
}
oop oopDesc::decode_heap_oop_not_null(narrowOop v) {
--- a/hotspot/src/share/vm/oops/symbol.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/oops/symbol.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -158,9 +158,21 @@
}
void Symbol::print_symbol_on(outputStream* st) const {
- ResourceMark rm;
+ char *s;
st = st ? st : tty;
- st->print("%s", as_quoted_ascii());
+ {
+ // ResourceMark may not affect st->print(). If st is a string
+ // stream it could resize, using the same resource arena.
+ ResourceMark rm;
+ s = as_quoted_ascii();
+ s = os::strdup(s);
+ }
+ if (s == NULL) {
+ st->print("(null)");
+ } else {
+ st->print("%s", s);
+ os::free(s);
+ }
}
char* Symbol::as_quoted_ascii() const {
--- a/hotspot/src/share/vm/runtime/commandLineFlagRangeList.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/runtime/commandLineFlagRangeList.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2016, 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
@@ -247,6 +247,9 @@
void emit_range_double(const char* /*name*/) { /* NOP */ }
// CommandLineFlagRange emitting code functions if range arguments are provided
+void emit_range_int(const char* name, int min, int max) {
+ CommandLineFlagRangeList::add(new CommandLineFlagRange_int(name, min, max));
+}
void emit_range_intx(const char* name, intx min, intx max) {
CommandLineFlagRangeList::add(new CommandLineFlagRange_intx(name, min, max));
}
--- a/hotspot/src/share/vm/runtime/globals.hpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/runtime/globals.hpp Wed Mar 16 14:31:33 2016 +0100
@@ -891,9 +891,6 @@
notproduct(bool, VerifyLastFrame, false, \
"Verify oops on last frame on entry to VM") \
\
- develop(bool, TraceHandleAllocation, false, \
- "Print out warnings when suspiciously many handles are allocated")\
- \
product(bool, FailOverToOldVerifier, true, \
"Fail over to old verifier when split verifier fails") \
\
@@ -1603,10 +1600,10 @@
product(bool, ResizePLAB, true, \
"Dynamically resize (survivor space) promotion LAB's") \
\
- product(intx, ParGCArrayScanChunk, 50, \
+ product(int, ParGCArrayScanChunk, 50, \
"Scan a subset of object array and push remainder, if array is " \
"bigger than this") \
- range(1, max_intx) \
+ range(1, max_jint/3) \
\
product(bool, ParGCUseLocalOverflow, false, \
"Instead of a global overflow list, use local overflow stacks") \
@@ -3024,14 +3021,6 @@
notproduct(ccstrlist, SuppressErrorAt, "", \
"List of assertions (file:line) to muzzle") \
\
- notproduct(size_t, HandleAllocationLimit, 1024, \
- "Threshold for HandleMark allocation when +TraceHandleAllocation "\
- "is used") \
- \
- develop(size_t, TotalHandleAllocationLimit, 1024, \
- "Threshold for total handle allocation when " \
- "+TraceHandleAllocation is used") \
- \
develop(intx, StackPrintLimit, 100, \
"number of stack frames to print in VM-level stack dump") \
\
--- a/hotspot/src/share/vm/runtime/handles.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/runtime/handles.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, 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
@@ -129,14 +129,6 @@
k = k->next();
}
- // The thread local handle areas should not get very large
- if (TraceHandleAllocation && (size_t)handles_visited > TotalHandleAllocationLimit) {
-#ifdef ASSERT
- warning("%d: Visited in HandleMark : " SIZE_FORMAT, _nof_handlemarks, handles_visited);
-#else
- warning("Visited in HandleMark : " SIZE_FORMAT, handles_visited);
-#endif
- }
if (_prev != NULL) _prev->oops_do(f);
}
@@ -165,31 +157,6 @@
assert(area->_handle_mark_nesting > 0, "must stack allocate HandleMarks" );
debug_only(area->_handle_mark_nesting--);
- // Debug code to trace the number of handles allocated per mark/
-#ifdef ASSERT
- if (TraceHandleAllocation) {
- size_t handles = 0;
- Chunk *c = _chunk->next();
- if (c == NULL) {
- handles = area->_hwm - _hwm; // no new chunk allocated
- } else {
- handles = _max - _hwm; // add rest in first chunk
- while(c != NULL) {
- handles += c->length();
- c = c->next();
- }
- handles -= area->_max - area->_hwm; // adjust for last trunk not full
- }
- handles /= sizeof(void *); // Adjust for size of a handle
- if (handles > HandleAllocationLimit) {
- // Note: _nof_handlemarks is only set in debug mode
- warning("%d: Allocated in HandleMark : " SIZE_FORMAT, _nof_handlemarks, handles);
- }
-
- tty->print_cr("Handles " SIZE_FORMAT, handles);
- }
-#endif
-
// Delete later chunks
if( _chunk->next() ) {
// reset arena size before delete chunks. Otherwise, the total
--- a/hotspot/src/share/vm/utilities/globalDefinitions.hpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/utilities/globalDefinitions.hpp Wed Mar 16 14:31:33 2016 +0100
@@ -313,7 +313,7 @@
// ANSI C++ does not allow casting from one pointer type to a function pointer
// directly without at best a warning. This macro accomplishes it silently
// In every case that is present at this point the value be cast is a pointer
-// to a C linkage function. In somecase the type used for the cast reflects
+// to a C linkage function. In some case the type used for the cast reflects
// that linkage and a picky compiler would not complain. In other cases because
// there is no convenient place to place a typedef with extern C linkage (i.e
// a platform dependent header file) it doesn't. At this point no compiler seems
@@ -678,7 +678,7 @@
inline const char* type2name(BasicType t) { return (uint)t < T_CONFLICT+1 ? type2name_tab[t] : NULL; }
extern BasicType name2type(const char* name);
-// Auxilary math routines
+// Auxiliary math routines
// least common multiple
extern size_t lcm(size_t a, size_t b);
@@ -801,7 +801,7 @@
// TosState describes the top-of-stack state before and after the execution of
// a bytecode or method. The top-of-stack value may be cached in one or more CPU
-// registers. The TosState corresponds to the 'machine represention' of this cached
+// registers. The TosState corresponds to the 'machine representation' of this cached
// value. There's 4 states corresponding to the JAVA types int, long, float & double
// as well as a 5th state in case the top-of-stack value is actually on the top
// of stack (in memory) and thus not cached. The atos state corresponds to the itos
@@ -876,7 +876,7 @@
// a transition from one state to another. These extra states makes it possible for the safepoint code to
// handle certain thread_states without having to suspend the thread - making the safepoint code faster.
//
-// Given a state, the xxx_trans state can always be found by adding 1.
+// Given a state, the xxxx_trans state can always be found by adding 1.
//
enum JavaThreadState {
_thread_uninitialized = 0, // should never happen (missing initialization)
@@ -1425,7 +1425,7 @@
// operations.
// The goal of this code to avoid undefined or implementation-defined
-// behaviour. The use of an lvalue to reference cast is explicitly
+// behavior. The use of an lvalue to reference cast is explicitly
// permitted by Lvalues and rvalues [basic.lval]. [Section 3.10 Para
// 15 in C++03]
#define JAVA_INTEGER_OP(OP, NAME, TYPE, UNSIGNED_TYPE) \
--- a/hotspot/src/share/vm/utilities/ostream.cpp Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/src/share/vm/utilities/ostream.cpp Wed Mar 16 14:31:33 2016 +0100
@@ -338,7 +338,9 @@
}
char* oldbuf = buffer;
assert(rm == NULL || Thread::current()->current_resource_mark() == rm,
- "stringStream is re-allocated with a different ResourceMark");
+ "StringStream is re-allocated with a different ResourceMark. Current: "
+ PTR_FORMAT " original: " PTR_FORMAT,
+ p2i(Thread::current()->current_resource_mark()), p2i(rm));
buffer = NEW_RESOURCE_ARRAY(char, end);
if (buffer_pos > 0) {
memcpy(buffer, oldbuf, buffer_pos);
--- a/hotspot/test/TEST.groups Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/TEST.groups Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
#
-# Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2013, 2016, 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
@@ -230,8 +230,10 @@
#
needs_g1gc = \
compiler/regalloc/C1ObjectSpillInLogicOp.java \
+ gc/TestSmallHeap.java \
gc/TestSystemGC.java \
gc/arguments/TestAlignmentToUseLargePages.java \
+ gc/arguments/TestG1ConcRefinementThreads.java \
gc/arguments/TestG1HeapRegionSize.java \
gc/arguments/TestG1HeapSizeFlags.java \
gc/arguments/TestG1PercentageOptions.java \
@@ -242,11 +244,11 @@
gc/class_unloading/TestG1ClassUnloadingHWM.java \
gc/ergonomics/TestDynamicNumberOfGCThreads.java \
gc/g1/ \
+ gc/logging/TestGCId.java \
gc/metaspace/G1AddMetaspaceDependency.java \
gc/metaspace/TestMetaspacePerfCounters.java \
gc/startup_warnings/TestG1.java \
- gc/whitebox/TestConcMarkCycleWB.java \
- gc/arguments/TestG1ConcRefinementThreads.java
+ gc/whitebox/TestConcMarkCycleWB.java
hotspot_native_sanity = \
native_sanity
--- a/hotspot/test/gc/TestCardTablePageCommits.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/gc/TestCardTablePageCommits.java Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
-* Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+* Copyright (c) 2014, 2016, 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
@@ -31,6 +31,7 @@
* @key gc
* @bug 8059066
* @summary Tests that the card table does not commit the same page twice
+ * @requires vm.gc=="Parallel" | vm.gc=="null"
* @library /testlibrary
* @modules java.base/sun.misc
* java.management
--- a/hotspot/test/gc/arguments/TestCMSHeapSizeFlags.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/gc/arguments/TestCMSHeapSizeFlags.java Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
-* Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
+* Copyright (c) 2013, 2016, 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
@@ -25,6 +25,7 @@
* @test TestCMSHeapSizeFlags
* @key gc
* @bug 8006088
+ * @requires vm.gc=="ConcMarkSweep" | vm.gc=="null"
* @summary Tests argument processing for initial and maximum heap size for the CMS collector
* @library /testlibrary /test/lib
* @modules java.base/sun.misc
--- a/hotspot/test/gc/arguments/TestG1ConcRefinementThreads.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/gc/arguments/TestG1ConcRefinementThreads.java Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
-* Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+* Copyright (c) 2014, 2016, 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
@@ -25,6 +25,7 @@
* @test TestG1ConcRefinementThreads
* @key gc
* @bug 8047976
+ * @requires vm.gc=="G1" | vm.gc=="null"
* @summary Tests argument processing for G1ConcRefinementThreads
* @library /testlibrary
* @modules java.base/sun.misc
--- a/hotspot/test/gc/arguments/TestG1HeapSizeFlags.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/gc/arguments/TestG1HeapSizeFlags.java Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
-* Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
+* Copyright (c) 2013, 2016, 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
@@ -25,6 +25,7 @@
* @test TestG1HeapSizeFlags
* @key gc
* @bug 8006088
+ * @requires vm.gc=="G1" | vm.gc=="null"
* @summary Tests argument processing for initial and maximum heap size for the G1 collector
* @library /testlibrary /test/lib
* @modules java.base/sun.misc
--- a/hotspot/test/gc/arguments/TestG1PercentageOptions.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/gc/arguments/TestG1PercentageOptions.java Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
-* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+* Copyright (c) 2016, 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
@@ -25,6 +25,7 @@
* @test TestG1PercentageOptions
* @key gc
* @bug 8068942
+ * @requires vm.gc=="G1" | vm.gc=="null"
* @summary Test argument processing of various percentage options
* @library /testlibrary
* @modules java.base/sun.misc
--- a/hotspot/test/gc/arguments/TestParallelHeapSizeFlags.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/gc/arguments/TestParallelHeapSizeFlags.java Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
-* Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
+* Copyright (c) 2013, 2016, 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
@@ -27,6 +27,7 @@
* @bug 8006088
* @summary Tests argument processing for initial and maximum heap size for the
* parallel collectors.
+ * @requires vm.gc=="null"
* @library /testlibrary /test/lib
* @modules java.base/sun.misc
* java.management
--- a/hotspot/test/gc/g1/TestShrinkAuxiliaryData00.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/gc/g1/TestShrinkAuxiliaryData00.java Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2016, 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
@@ -27,6 +27,7 @@
* @summary Checks that decommitment occurs for JVM with different
* G1ConcRSLogCacheSize and ObjectAlignmentInBytes options values
* @requires vm.gc=="G1" | vm.gc=="null"
+ * @requires vm.opt.AggressiveOpts=="false" | vm.opt.AggressiveOpts=="null"
* @library /testlibrary /test/lib
* @modules java.base/sun.misc
* java.management
--- a/hotspot/test/gc/g1/TestShrinkAuxiliaryData05.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/gc/g1/TestShrinkAuxiliaryData05.java Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2016, 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
@@ -27,6 +27,7 @@
* @summary Checks that decommitment occurs for JVM with different
* G1ConcRSLogCacheSize and ObjectAlignmentInBytes options values
* @requires vm.gc=="G1" | vm.gc=="null"
+ * @requires vm.opt.AggressiveOpts=="false" | vm.opt.AggressiveOpts=="null"
* @library /testlibrary /test/lib
* @modules java.base/sun.misc
* java.management
--- a/hotspot/test/gc/g1/TestShrinkAuxiliaryData10.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/gc/g1/TestShrinkAuxiliaryData10.java Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2016, 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
@@ -27,6 +27,7 @@
* @summary Checks that decommitment occurs for JVM with different
* G1ConcRSLogCacheSize and ObjectAlignmentInBytes options values
* @requires vm.gc=="G1" | vm.gc=="null"
+ * @requires vm.opt.AggressiveOpts=="false" | vm.opt.AggressiveOpts=="null"
* @library /testlibrary /test/lib
* @modules java.base/sun.misc
* java.management
--- a/hotspot/test/gc/g1/TestShrinkAuxiliaryData15.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/gc/g1/TestShrinkAuxiliaryData15.java Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2016, 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
@@ -27,6 +27,7 @@
* @summary Checks that decommitment occurs for JVM with different
* G1ConcRSLogCacheSize and ObjectAlignmentInBytes options values
* @requires vm.gc=="G1" | vm.gc=="null"
+ * @requires vm.opt.AggressiveOpts=="false" | vm.opt.AggressiveOpts=="null"
* @library /testlibrary /test/lib
* @modules java.base/sun.misc
* java.management
--- a/hotspot/test/gc/g1/TestShrinkAuxiliaryData20.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/gc/g1/TestShrinkAuxiliaryData20.java Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2016, 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
@@ -27,6 +27,7 @@
* @summary Checks that decommitment occurs for JVM with different
* G1ConcRSLogCacheSize and ObjectAlignmentInBytes options values
* @requires vm.gc=="G1" | vm.gc=="null"
+ * @requires vm.opt.AggressiveOpts=="false" | vm.opt.AggressiveOpts=="null"
* @library /testlibrary /test/lib
* @modules java.base/sun.misc
* java.management
--- a/hotspot/test/gc/g1/TestShrinkAuxiliaryData25.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/gc/g1/TestShrinkAuxiliaryData25.java Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2016, 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
@@ -27,6 +27,7 @@
* @summary Checks that decommitment occurs for JVM with different
* G1ConcRSLogCacheSize and ObjectAlignmentInBytes options values
* @requires vm.gc=="G1" | vm.gc=="null"
+ * @requires vm.opt.AggressiveOpts=="false" | vm.opt.AggressiveOpts=="null"
* @library /testlibrary /test/lib
* @modules java.base/sun.misc
* java.management
--- a/hotspot/test/gc/g1/TestShrinkAuxiliaryData30.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/gc/g1/TestShrinkAuxiliaryData30.java Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2016, 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
@@ -27,6 +27,7 @@
* @summary Checks that decommitment occurs for JVM with different
* G1ConcRSLogCacheSize and ObjectAlignmentInBytes options values
* @requires vm.gc=="G1" | vm.gc=="null"
+ * @requires vm.opt.AggressiveOpts=="false" | vm.opt.AggressiveOpts=="null"
* @library /testlibrary /test/lib
* @modules java.base/sun.misc
* java.management
--- a/hotspot/test/gc/logging/TestGCId.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/gc/logging/TestGCId.java Wed Mar 16 14:31:33 2016 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2016, 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
@@ -25,6 +25,7 @@
* @test TestGCId
* @bug 8043607
* @summary Ensure that the GCId is logged
+ * @requires vm.gc=="null"
* @key gc
* @library /testlibrary
* @modules java.base/sun.misc
--- a/hotspot/test/runtime/CommandLine/OptionsValidation/TestOptionsWithRanges.java Thu Mar 10 16:08:17 2016 -0800
+++ b/hotspot/test/runtime/CommandLine/OptionsValidation/TestOptionsWithRanges.java Wed Mar 16 14:31:33 2016 +0100
@@ -84,13 +84,6 @@
setAllowedExitCodes("SharedMiscCodeSize", 2);
/*
- * JDK-8145204
- * Temporarily remove testing of max range for ParGCArrayScanChunk because
- * JVM can hang when ParGCArrayScanChunk=4294967296 and ParallelGC is used
- */
- excludeTestMaxRange("ParGCArrayScanChunk");
-
- /*
* Remove CICompilerCount from testing because currently it can hang system
*/
excludeTestMaxRange("CICompilerCount");