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dragonwell8_hotspot
提交 9bfa2d9f 编写于 作者: T tonyp
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make/jprt.properties
浏览文件 @ 9bfa2d9f
......@@ -89,60 +89,52 @@ jprt.my.solaris.sparc.test.targets= \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-jvm98, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-scimark, \
${jprt.my.solaris.sparc}-product-{c1|c2}-runThese, \
${jprt.my.solaris.sparc}-product-{c1|c2}-runThese_Xcomp, \
${jprt.my.solaris.sparc}-product-{c1|c2}-runThese_Xcomp_2, \
${jprt.my.solaris.sparc}-product-{c1|c2}-runThese_Xcomp_3, \
${jprt.my.solaris.sparc}-fastdebug-c1-runThese_Xshare, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCBasher_default, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCBasher_SerialGC, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCBasher_ParallelGC, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCBasher_ParNewGC, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCBasher_CMS, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCBasher_default_2, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCBasher_SerialGC_2, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCBasher_ParallelGC_2, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCBasher_ParNewGC_2, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCBasher_CMS_2, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCBasher_G1, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCBasher_ParOldGC, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCOld_default, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCOld_SerialGC, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCOld_ParallelGC, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCOld_ParNewGC, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCOld_CMS, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCOld_G1, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-GCOld_ParOldGC, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-jbb_default, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-jbb_SerialGC, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-jbb_ParallelGC, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-jbb_CMS, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-scimark_2, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-scimark_3
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-jbb_G1, \
${jprt.my.solaris.sparc}-{product|fastdebug}-{c1|c2}-jbb_ParOldGC
jprt.my.solaris.sparcv9.test.targets= \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-jvm98, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-scimark, \
${jprt.my.solaris.sparcv9}-product-c2-runThese, \
${jprt.my.solaris.sparcv9}-product-c2-runThese_Xcomp, \
${jprt.my.solaris.sparcv9}-product-c2-runThese_Xcomp_2, \
${jprt.my.solaris.sparcv9}-product-c2-runThese_Xcomp_3, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCBasher_default, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCBasher_SerialGC, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCBasher_ParallelGC, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCBasher_ParNewGC, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCBasher_CMS, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCBasher_default_2, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCBasher_SerialGC_2, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCBasher_ParallelGC_2, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCBasher_ParNewGC_2, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCBasher_CMS_2, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCBasher_G1, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCBasher_ParOldGC, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCOld_default, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCOld_SerialGC, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCOld_ParallelGC, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCOld_ParNewGC, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCOld_CMS, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCOld_G1, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-GCOld_ParOldGC, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-jbb_default, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-jbb_SerialGC, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-jbb_ParallelGC, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-jbb_CMS, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-scimark_2, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-scimark_3
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-jbb_G1, \
${jprt.my.solaris.sparcv9}-{product|fastdebug}-c2-jbb_ParOldGC
jprt.my.solaris.x64.test.targets= \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-jvm98, \
......@@ -154,73 +146,80 @@ jprt.my.solaris.x64.test.targets= \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCBasher_ParallelGC, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCBasher_ParNewGC, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCBasher_CMS, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCBasher_default_2, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCBasher_SerialGC_2, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCBasher_ParallelGC_2, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCBasher_ParNewGC_2, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCBasher_CMS_2, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCBasher_G1, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCBasher_ParOldGC, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCOld_default, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCOld_SerialGC, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCOld_ParallelGC, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCOld_ParNewGC, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCOld_CMS, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCOld_G1, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCOld_ParOldGC, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-jbb_default, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-jbb_SerialGC, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-jbb_ParallelGC, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-jbb_CMS
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCOld_CMS, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCOld_G1, \
${jprt.my.solaris.x64}-{product|fastdebug}-c2-GCOld_ParOldGC
jprt.my.solaris.i586.test.targets= \
${jprt.my.solaris.i586}-{product|fastdebug}-{c1|c2}-jvm98, \
${jprt.my.solaris.i586}-{product|fastdebug}-{c1|c2}-scimark, \
${jprt.my.solaris.i586}-product-{c1|c2}-runThese_Xcomp, \
${jprt.my.solaris.i586}-product-c2-runThese_Xcomp_2, \
${jprt.my.solaris.i586}-fastdebug-c1-runThese_Xcomp_2, \
${jprt.my.solaris.i586}-fastdebug-c1-runThese_Xcomp, \
${jprt.my.solaris.i586}-fastdebug-c1-runThese_Xshare, \
${jprt.my.solaris.i586}-product-c1-GCBasher_default, \
${jprt.my.solaris.i586}-product-c1-GCBasher_SerialGC, \
${jprt.my.solaris.i586}-product-c1-GCBasher_ParallelGC, \
${jprt.my.solaris.i586}-product-c1-GCBasher_ParNewGC, \
${jprt.my.solaris.i586}-product-c1-GCBasher_CMS, \
${jprt.my.solaris.i586}-product-c1-GCBasher_G1, \
${jprt.my.solaris.i586}-product-c1-GCBasher_ParOldGC, \
${jprt.my.solaris.i586}-fastdebug-c2-GCBasher_default, \
${jprt.my.solaris.i586}-fastdebug-c2-GCBasher_SerialGC, \
${jprt.my.solaris.i586}-fastdebug-c2-GCBasher_ParallelGC, \
${jprt.my.solaris.i586}-fastdebug-c2-GCBasher_ParNewGC, \
${jprt.my.solaris.i586}-fastdebug-c2-GCBasher_CMS, \
${jprt.my.solaris.i586}-fastdebug-c2-GCBasher_G1, \
${jprt.my.solaris.i586}-fastdebug-c2-GCBasher_ParOldGC, \
${jprt.my.solaris.i586}-product-c1-GCOld_default, \
${jprt.my.solaris.i586}-product-c1-GCOld_SerialGC, \
${jprt.my.solaris.i586}-product-c1-GCOld_ParallelGC, \
${jprt.my.solaris.i586}-product-c1-GCOld_ParNewGC, \
${jprt.my.solaris.i586}-product-c1-GCOld_CMS, \
${jprt.my.solaris.i586}-product-c1-GCOld_G1, \
${jprt.my.solaris.i586}-product-c1-GCOld_ParOldGC, \
${jprt.my.solaris.i586}-fastdebug-c2-jbb_default, \
${jprt.my.solaris.i586}-fastdebug-c2-jbb_ParallelGC, \
${jprt.my.solaris.i586}-fastdebug-c2-jbb_CMS, \
${jprt.my.solaris.i586}-{product|fastdebug}-{c1|c2}-scimark_2, \
${jprt.my.solaris.i586}-{product|fastdebug}-{c1|c2}-scimark_3
${jprt.my.solaris.i586}-fastdebug-c2-jbb_G1, \
${jprt.my.solaris.i586}-fastdebug-c2-jbb_ParOldGC
jprt.my.linux.i586.test.targets = \
${jprt.my.linux.i586}-{product|fastdebug}-{c1|c2}-jvm98, \
${jprt.my.linux.i586}-{product|fastdebug}-{c1|c2}-scimark, \
${jprt.my.linux.i586}-product-c1-runThese_Xcomp, \
${jprt.my.linux.i586}-product-c1-runThese_Xcomp_2, \
${jprt.my.linux.i586}-product-c1-runThese_Xcomp_3, \
${jprt.my.linux.i586}-fastdebug-c1-runThese_Xshare, \
${jprt.my.linux.i586}-fastdebug-c2-runThese_Xcomp, \
${jprt.my.linux.i586}-fastdebug-c2-runThese_Xcomp_2, \
${jprt.my.linux.i586}-{product|fastdebug}-{c1|c2}-GCBasher_default, \
${jprt.my.linux.i586}-{product|fastdebug}-{c1|c2}-GCBasher_SerialGC, \
${jprt.my.linux.i586}-{product|fastdebug}-{c1|c2}-GCBasher_ParallelGC, \
${jprt.my.linux.i586}-{product|fastdebug}-{c1|c2}-GCBasher_ParNewGC, \
${jprt.my.linux.i586}-{product|fastdebug}-{c1|c2}-GCBasher_CMS, \
${jprt.my.linux.i586}-{product|fastdebug}-{c1|c2}-GCBasher_G1, \
${jprt.my.linux.i586}-{product|fastdebug}-{c1|c2}-GCBasher_ParOldGC, \
${jprt.my.linux.i586}-product-{c1|c2}-GCOld_default, \
${jprt.my.linux.i586}-product-{c1|c2}-GCOld_SerialGC, \
${jprt.my.linux.i586}-product-{c1|c2}-GCOld_ParallelGC, \
${jprt.my.linux.i586}-product-{c1|c2}-GCOld_ParNewGC, \
${jprt.my.linux.i586}-product-{c1|c2}-GCOld_CMS, \
${jprt.my.linux.i586}-product-{c1|c2}-GCOld_G1, \
${jprt.my.linux.i586}-product-{c1|c2}-GCOld_ParOldGC, \
${jprt.my.linux.i586}-{product|fastdebug}-c1-jbb_default, \
${jprt.my.linux.i586}-{product|fastdebug}-c1-jbb_ParallelGC, \
${jprt.my.linux.i586}-{product|fastdebug}-c1-jbb_CMS, \
${jprt.my.linux.i586}-{product|fastdebug}-c2-scimark_2, \
${jprt.my.linux.i586}-{product|fastdebug}-c2-scimark_3
${jprt.my.linux.i586}-{product|fastdebug}-c1-jbb_G1, \
${jprt.my.linux.i586}-{product|fastdebug}-c1-jbb_ParOldGC
jprt.my.linux.x64.test.targets = \
${jprt.my.linux.x64}-{product|fastdebug}-c2-jvm98, \
......@@ -230,15 +229,19 @@ jprt.my.linux.x64.test.targets = \
${jprt.my.linux.x64}-{product|fastdebug}-c2-GCBasher_ParallelGC, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-GCBasher_ParNewGC, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-GCBasher_CMS, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-GCBasher_G1, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-GCBasher_ParOldGC, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-GCOld_default, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-GCOld_SerialGC, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-GCOld_ParallelGC, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-GCOld_ParNewGC, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-GCOld_CMS, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-GCOld_G1, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-GCOld_ParOldGC, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-jbb_default, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-jbb_ParallelGC, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-scimark_2, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-scimark_3
${jprt.my.linux.x64}-{product|fastdebug}-c2-jbb_G1, \
${jprt.my.linux.x64}-{product|fastdebug}-c2-jbb_ParOldGC
jprt.my.windows.i586.test.targets = \
${jprt.my.windows.i586}-{product|fastdebug}-{c1|c2}-jvm98, \
......@@ -251,16 +254,20 @@ jprt.my.windows.i586.test.targets = \
${jprt.my.windows.i586}-{product|fastdebug}-{c1|c2}-GCBasher_ParallelGC, \
${jprt.my.windows.i586}-{product|fastdebug}-{c1|c2}-GCBasher_ParNewGC, \
${jprt.my.windows.i586}-{product|fastdebug}-{c1|c2}-GCBasher_CMS, \
${jprt.my.windows.i586}-{product|fastdebug}-{c1|c2}-GCBasher_G1, \
${jprt.my.windows.i586}-{product|fastdebug}-{c1|c2}-GCBasher_ParOldGC, \
${jprt.my.windows.i586}-product-{c1|c2}-GCOld_default, \
${jprt.my.windows.i586}-product-{c1|c2}-GCOld_SerialGC, \
${jprt.my.windows.i586}-product-{c1|c2}-GCOld_ParallelGC, \
${jprt.my.windows.i586}-product-{c1|c2}-GCOld_ParNewGC, \
${jprt.my.windows.i586}-product-{c1|c2}-GCOld_CMS, \
${jprt.my.windows.i586}-product-{c1|c2}-GCOld_G1, \
${jprt.my.windows.i586}-product-{c1|c2}-GCOld_ParOldGC, \
${jprt.my.windows.i586}-{product|fastdebug}-{c1|c2}-jbb_default, \
${jprt.my.windows.i586}-product-{c1|c2}-jbb_ParallelGC, \
${jprt.my.windows.i586}-product-{c1|c2}-jbb_CMS, \
${jprt.my.windows.i586}-product-{c1|c2}-scimark_2, \
${jprt.my.windows.i586}-product-{c1|c2}-scimark_3
${jprt.my.windows.i586}-product-{c1|c2}-jbb_G1, \
${jprt.my.windows.i586}-product-{c1|c2}-jbb_ParOldGC
jprt.my.windows.x64.test.targets = \
${jprt.my.windows.x64}-{product|fastdebug}-c2-jvm98, \
......@@ -272,16 +279,20 @@ jprt.my.windows.x64.test.targets = \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_ParallelGC, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_ParNewGC, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_CMS, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_G1, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_ParOldGC, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCOld_default, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCOld_SerialGC, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCOld_ParallelGC, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCOld_ParNewGC, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCOld_CMS, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCOld_G1, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-GCOld_ParOldGC, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-jbb_default, \
${jprt.my.windows.x64}-product-c2-jbb_CMS, \
${jprt.my.windows.x64}-product-c2-jbb_ParallelGC, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-scimark_2, \
${jprt.my.windows.x64}-{product|fastdebug}-c2-scimark_3
${jprt.my.windows.x64}-product-c2-jbb_G1, \
${jprt.my.windows.x64}-product-c2-jbb_ParOldGC
# The complete list of test targets for jprt
......
src/share/vm/gc_implementation/g1/concurrentG1Refine.cpp
浏览文件 @ 9bfa2d9f
......@@ -145,14 +145,9 @@ void ConcurrentG1Refine::set_pya_restart() {
if (G1RSBarrierUseQueue) {
DirtyCardQueueSet& dcqs = JavaThread::dirty_card_queue_set();
dcqs.abandon_logs();
if (_cg1rThread->do_traversal()) {
_pya = PYA_restart;
} else {
_cg1rThread->set_do_traversal(true);
// Reset the post-yield actions.
_pya = PYA_continue;
_last_pya = PYA_continue;
}
} else {
_pya = PYA_restart;
}
......
src/share/vm/gc_implementation/g1/concurrentMark.cpp
浏览文件 @ 9bfa2d9f
......@@ -1232,7 +1232,16 @@ public:
if (!_final && _regions_done == 0)
_start_vtime_sec = os::elapsedVTime();
if (hr->continuesHumongous()) return false;
if (hr->continuesHumongous()) {
HeapRegion* hum_start = hr->humongous_start_region();
// If the head region of the humongous region has been determined
// to be alive, then all the tail regions should be marked
// such as well.
if (_region_bm->at(hum_start->hrs_index())) {
_region_bm->par_at_put(hr->hrs_index(), 1);
}
return false;
}
HeapWord* nextTop = hr->next_top_at_mark_start();
HeapWord* start = hr->top_at_conc_mark_count();
......
src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
浏览文件 @ 9bfa2d9f
......@@ -786,6 +786,12 @@ void G1CollectedHeap::abandon_cur_alloc_region() {
}
}
void G1CollectedHeap::abandon_gc_alloc_regions() {
// first, make sure that the GC alloc region list is empty (it should!)
assert(_gc_alloc_region_list == NULL, "invariant");
release_gc_alloc_regions(true /* totally */);
}
class PostMCRemSetClearClosure: public HeapRegionClosure {
ModRefBarrierSet* _mr_bs;
public:
......@@ -914,6 +920,7 @@ void G1CollectedHeap::do_collection(bool full, bool clear_all_soft_refs,
// Make sure we'll choose a new allocation region afterwards.
abandon_cur_alloc_region();
abandon_gc_alloc_regions();
assert(_cur_alloc_region == NULL, "Invariant.");
g1_rem_set()->as_HRInto_G1RemSet()->cleanupHRRS();
tear_down_region_lists();
......@@ -954,6 +961,7 @@ void G1CollectedHeap::do_collection(bool full, bool clear_all_soft_refs,
if (VerifyAfterGC && total_collections() >= VerifyGCStartAt) {
HandleMark hm; // Discard invalid handles created during verification
gclog_or_tty->print(" VerifyAfterGC:");
prepare_for_verify();
Universe::verify(false);
}
NOT_PRODUCT(ref_processor()->verify_no_references_recorded());
......@@ -1306,7 +1314,7 @@ void G1CollectedHeap::shrink_helper(size_t shrink_bytes)
}
void G1CollectedHeap::shrink(size_t shrink_bytes) {
release_gc_alloc_regions();
release_gc_alloc_regions(true /* totally */);
tear_down_region_lists(); // We will rebuild them in a moment.
shrink_helper(shrink_bytes);
rebuild_region_lists();
......@@ -1345,8 +1353,7 @@ G1CollectedHeap::G1CollectedHeap(G1CollectorPolicy* policy_) :
_gc_time_stamp(0),
_surviving_young_words(NULL),
_in_cset_fast_test(NULL),
_in_cset_fast_test_base(NULL)
{
_in_cset_fast_test_base(NULL) {
_g1h = this; // To catch bugs.
if (_process_strong_tasks == NULL || !_process_strong_tasks->valid()) {
vm_exit_during_initialization("Failed necessary allocation.");
......@@ -1373,7 +1380,17 @@ G1CollectedHeap::G1CollectedHeap(G1CollectorPolicy* policy_) :
for (int ap = 0; ap < GCAllocPurposeCount; ++ap) {
_gc_alloc_regions[ap] = NULL;
_gc_alloc_region_counts[ap] = 0;
_retained_gc_alloc_regions[ap] = NULL;
// by default, we do not retain a GC alloc region for each ap;
// we'll override this, when appropriate, below
_retain_gc_alloc_region[ap] = false;
}
// We will try to remember the last half-full tenured region we
// allocated to at the end of a collection so that we can re-use it
// during the next collection.
_retain_gc_alloc_region[GCAllocForTenured] = true;
guarantee(_task_queues != NULL, "task_queues allocation failure.");
}
......@@ -2119,15 +2136,7 @@ public:
bool doHeapRegion(HeapRegion* r) {
guarantee(_par || r->claim_value() == HeapRegion::InitialClaimValue,
"Should be unclaimed at verify points.");
if (r->isHumongous()) {
if (r->startsHumongous()) {
// Verify the single H object.
oop(r->bottom())->verify();
size_t word_sz = oop(r->bottom())->size();
guarantee(r->top() == r->bottom() + word_sz,
"Only one object in a humongous region");
}
} else {
if (!r->continuesHumongous()) {
VerifyObjsInRegionClosure not_dead_yet_cl(r);
r->verify(_allow_dirty);
r->object_iterate(&not_dead_yet_cl);
......@@ -2179,6 +2188,7 @@ public:
_g1h(g1h), _allow_dirty(allow_dirty) { }
void work(int worker_i) {
HandleMark hm;
VerifyRegionClosure blk(_allow_dirty, true);
_g1h->heap_region_par_iterate_chunked(&blk, worker_i,
HeapRegion::ParVerifyClaimValue);
......@@ -2644,7 +2654,7 @@ G1CollectedHeap::do_collection_pause_at_safepoint(HeapRegion* popular_region) {
popular_region->set_popular_pending(false);
}
release_gc_alloc_regions();
release_gc_alloc_regions(false /* totally */);
cleanup_surviving_young_words();
......@@ -2697,6 +2707,7 @@ G1CollectedHeap::do_collection_pause_at_safepoint(HeapRegion* popular_region) {
if (VerifyAfterGC && total_collections() >= VerifyGCStartAt) {
HandleMark hm; // Discard invalid handles created during verification
gclog_or_tty->print(" VerifyAfterGC:");
prepare_for_verify();
Universe::verify(false);
}
......@@ -2735,6 +2746,10 @@ G1CollectedHeap::do_collection_pause_at_safepoint(HeapRegion* popular_region) {
void G1CollectedHeap::set_gc_alloc_region(int purpose, HeapRegion* r) {
assert(purpose >= 0 && purpose < GCAllocPurposeCount, "invalid purpose");
// make sure we don't call set_gc_alloc_region() multiple times on
// the same region
assert(r == NULL || !r->is_gc_alloc_region(),
"shouldn't already be a GC alloc region");
HeapWord* original_top = NULL;
if (r != NULL)
original_top = r->top();
......@@ -2824,6 +2839,12 @@ void G1CollectedHeap::forget_alloc_region_list() {
while (_gc_alloc_region_list != NULL) {
HeapRegion* r = _gc_alloc_region_list;
assert(r->is_gc_alloc_region(), "Invariant.");
// We need HeapRegion::oops_on_card_seq_iterate_careful() to work on
// newly allocated data in order to be able to apply deferred updates
// before the GC is done for verification purposes (i.e to allow
// G1HRRSFlushLogBuffersOnVerify). It's safe thing to do after the
// collection.
r->ContiguousSpace::set_saved_mark();
_gc_alloc_region_list = r->next_gc_alloc_region();
r->set_next_gc_alloc_region(NULL);
r->set_is_gc_alloc_region(false);
......@@ -2851,23 +2872,55 @@ bool G1CollectedHeap::check_gc_alloc_regions() {
}
void G1CollectedHeap::get_gc_alloc_regions() {
// First, let's check that the GC alloc region list is empty (it should)
assert(_gc_alloc_region_list == NULL, "invariant");
for (int ap = 0; ap < GCAllocPurposeCount; ++ap) {
assert(_gc_alloc_regions[ap] == NULL, "invariant");
// Create new GC alloc regions.
HeapRegion* alloc_region = _gc_alloc_regions[ap];
// Clear this alloc region, so that in case it turns out to be
// unacceptable, we end up with no allocation region, rather than a bad
// one.
_gc_alloc_regions[ap] = NULL;
if (alloc_region == NULL || alloc_region->in_collection_set()) {
// Can't re-use old one. Allocate a new one.
HeapRegion* alloc_region = _retained_gc_alloc_regions[ap];
_retained_gc_alloc_regions[ap] = NULL;
if (alloc_region != NULL) {
assert(_retain_gc_alloc_region[ap], "only way to retain a GC region");
// let's make sure that the GC alloc region is not tagged as such
// outside a GC operation
assert(!alloc_region->is_gc_alloc_region(), "sanity");
if (alloc_region->in_collection_set() ||
alloc_region->top() == alloc_region->end() ||
alloc_region->top() == alloc_region->bottom()) {
// we will discard the current GC alloc region if it's in the
// collection set (it can happen!), if it's already full (no
// point in using it), or if it's empty (this means that it
// was emptied during a cleanup and it should be on the free
// list now).
alloc_region = NULL;
}
}
if (alloc_region == NULL) {
// we will get a new GC alloc region
alloc_region = newAllocRegionWithExpansion(ap, 0);
}
if (alloc_region != NULL) {
assert(_gc_alloc_regions[ap] == NULL, "pre-condition");
set_gc_alloc_region(ap, alloc_region);
}
assert(_gc_alloc_regions[ap] == NULL ||
_gc_alloc_regions[ap]->is_gc_alloc_region(),
"the GC alloc region should be tagged as such");
assert(_gc_alloc_regions[ap] == NULL ||
_gc_alloc_regions[ap] == _gc_alloc_region_list,
"the GC alloc region should be the same as the GC alloc list head");
}
// Set alternative regions for allocation purposes that have reached
// thier limit.
// their limit.
for (int ap = 0; ap < GCAllocPurposeCount; ++ap) {
GCAllocPurpose alt_purpose = g1_policy()->alternative_purpose(ap);
if (_gc_alloc_regions[ap] == NULL && alt_purpose != ap) {
......@@ -2877,28 +2930,56 @@ void G1CollectedHeap::get_gc_alloc_regions() {
assert(check_gc_alloc_regions(), "alloc regions messed up");
}
void G1CollectedHeap::release_gc_alloc_regions() {
void G1CollectedHeap::release_gc_alloc_regions(bool totally) {
// We keep a separate list of all regions that have been alloc regions in
// the current collection pause. Forget that now.
// the current collection pause. Forget that now. This method will
// untag the GC alloc regions and tear down the GC alloc region
// list. It's desirable that no regions are tagged as GC alloc
// outside GCs.
forget_alloc_region_list();
// The current alloc regions contain objs that have survived
// collection. Make them no longer GC alloc regions.
for (int ap = 0; ap < GCAllocPurposeCount; ++ap) {
HeapRegion* r = _gc_alloc_regions[ap];
if (r != NULL && r->is_empty()) {
{
_retained_gc_alloc_regions[ap] = NULL;
if (r != NULL) {
// we retain nothing on _gc_alloc_regions between GCs
set_gc_alloc_region(ap, NULL);
_gc_alloc_region_counts[ap] = 0;
if (r->is_empty()) {
// we didn't actually allocate anything in it; let's just put
// it on the free list
MutexLockerEx x(ZF_mon, Mutex::_no_safepoint_check_flag);
r->set_zero_fill_complete();
put_free_region_on_list_locked(r);
} else if (_retain_gc_alloc_region[ap] && !totally) {
// retain it so that we can use it at the beginning of the next GC
_retained_gc_alloc_regions[ap] = r;
}
}
// set_gc_alloc_region will also NULLify all aliases to the region
set_gc_alloc_region(ap, NULL);
_gc_alloc_region_counts[ap] = 0;
}
}
#ifndef PRODUCT
// Useful for debugging
void G1CollectedHeap::print_gc_alloc_regions() {
gclog_or_tty->print_cr("GC alloc regions");
for (int ap = 0; ap < GCAllocPurposeCount; ++ap) {
HeapRegion* r = _gc_alloc_regions[ap];
if (r == NULL) {
gclog_or_tty->print_cr(" %2d : "PTR_FORMAT, ap, NULL);
} else {
gclog_or_tty->print_cr(" %2d : "PTR_FORMAT" "SIZE_FORMAT,
ap, r->bottom(), r->used());
}
}
}
#endif // PRODUCT
void G1CollectedHeap::init_for_evac_failure(OopsInHeapRegionClosure* cl) {
_drain_in_progress = false;
set_evac_failure_closure(cl);
......@@ -3658,8 +3739,10 @@ protected:
CardTableModRefBS* ctbs() { return _ct_bs; }
void immediate_rs_update(HeapRegion* from, oop* p, int tid) {
if (!from->is_survivor()) {
_g1_rem->par_write_ref(from, p, tid);
}
}
void deferred_rs_update(HeapRegion* from, oop* p, int tid) {
// If the new value of the field points to the same region or
......
src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp
浏览文件 @ 9bfa2d9f
......@@ -172,7 +172,6 @@ private:
NumAPIs = HeapRegion::MaxAge
};
// The one and only G1CollectedHeap, so static functions can find it.
static G1CollectedHeap* _g1h;
......@@ -217,11 +216,20 @@ private:
// Postcondition: cur_alloc_region == NULL.
void abandon_cur_alloc_region();
void abandon_gc_alloc_regions();
// The to-space memory regions into which objects are being copied during
// a GC.
HeapRegion* _gc_alloc_regions[GCAllocPurposeCount];
size_t _gc_alloc_region_counts[GCAllocPurposeCount];
// These are the regions, one per GCAllocPurpose, that are half-full
// at the end of a collection and that we want to reuse during the
// next collection.
HeapRegion* _retained_gc_alloc_regions[GCAllocPurposeCount];
// This specifies whether we will keep the last half-full region at
// the end of a collection so that it can be reused during the next
// collection (this is specified per GCAllocPurpose)
bool _retain_gc_alloc_region[GCAllocPurposeCount];
// A list of the regions that have been set to be alloc regions in the
// current collection.
......@@ -589,8 +597,21 @@ protected:
// Ensure that the relevant gc_alloc regions are set.
void get_gc_alloc_regions();
// We're done with GC alloc regions; release them, as appropriate.
void release_gc_alloc_regions();
// We're done with GC alloc regions. We are going to tear down the
// gc alloc list and remove the gc alloc tag from all the regions on
// that list. However, we will also retain the last (i.e., the one
// that is half-full) GC alloc region, per GCAllocPurpose, for
// possible reuse during the next collection, provided
// _retain_gc_alloc_region[] indicates that it should be the
// case. Said regions are kept in the _retained_gc_alloc_regions[]
// array. If the parameter totally is set, we will not retain any
// regions, irrespective of what _retain_gc_alloc_region[]
// indicates.
void release_gc_alloc_regions(bool totally);
#ifndef PRODUCT
// Useful for debugging.
void print_gc_alloc_regions();
#endif // !PRODUCT
// ("Weak") Reference processing support
ReferenceProcessor* _ref_processor;
......
src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp
浏览文件 @ 9bfa2d9f
......@@ -1087,6 +1087,7 @@ void G1CollectorPolicy::record_collection_pause_start(double start_time_sec,
assert(_g1->used_regions() == _g1->recalculate_used_regions(),
"sanity");
assert(_g1->used() == _g1->recalculate_used(), "sanity");
double s_w_t_ms = (start_time_sec - _stop_world_start) * 1000.0;
_all_stop_world_times_ms->add(s_w_t_ms);
......
src/share/vm/gc_implementation/g1/g1RemSet.cpp
浏览文件 @ 9bfa2d9f
......@@ -502,14 +502,17 @@ HRInto_G1RemSet::oops_into_collection_set_do(OopsInHeapRegionClosure* oc,
}
if (ParallelGCThreads > 0) {
// This is a temporary change to serialize the update and scanning
// of remembered sets. There are some race conditions when this is
// done in parallel and they are causing failures. When we resolve
// said race conditions, we'll revert back to parallel remembered
// set updating and scanning. See CRs 6677707 and 6677708.
if (worker_i == 0) {
// The two flags below were introduced temporarily to serialize
// the updating and scanning of remembered sets. There are some
// race conditions when these two operations are done in parallel
// and they are causing failures. When we resolve said race
// conditions, we'll revert back to parallel remembered set
// updating and scanning. See CRs 6677707 and 6677708.
if (G1EnableParallelRSetUpdating || (worker_i == 0)) {
updateRS(worker_i);
scanNewRefsRS(oc, worker_i);
}
if (G1EnableParallelRSetScanning || (worker_i == 0)) {
scanRS(oc, worker_i);
}
} else {
......@@ -716,8 +719,7 @@ public:
bool doHeapRegion(HeapRegion* r) {
if (!r->in_collection_set() &&
!r->continuesHumongous() &&
!r->is_young() &&
!r->is_survivor()) {
!r->is_young()) {
_update_rs_oop_cl.set_from(r);
UpdateRSObjectClosure update_rs_obj_cl(&_update_rs_oop_cl);
......@@ -854,7 +856,7 @@ void HRInto_G1RemSet::concurrentRefineOneCard(jbyte* card_ptr, int worker_i) {
// before all the cards on the region are dirtied. This is unlikely,
// and it doesn't happen often, but it can happen. So, the extra
// check below filters out those cards.
if (r->is_young() || r->is_survivor()) {
if (r->is_young()) {
return;
}
// While we are processing RSet buffers during the collection, we
......@@ -1025,7 +1027,9 @@ void HRInto_G1RemSet::print_summary_info() {
}
}
void HRInto_G1RemSet::prepare_for_verify() {
if (G1HRRSFlushLogBuffersOnVerify && VerifyBeforeGC && !_g1->full_collection()) {
if (G1HRRSFlushLogBuffersOnVerify &&
(VerifyBeforeGC || VerifyAfterGC)
&& !_g1->full_collection()) {
cleanupHRRS();
_g1->set_refine_cte_cl_concurrency(false);
if (SafepointSynchronize::is_at_safepoint()) {
......@@ -1036,5 +1040,7 @@ void HRInto_G1RemSet::prepare_for_verify() {
_cg1r->set_use_cache(false);
updateRS(0);
_cg1r->set_use_cache(cg1r_use_cache);
assert(JavaThread::dirty_card_queue_set().completed_buffers_num() == 0, "All should be consumed");
}
}
src/share/vm/gc_implementation/g1/g1_globals.hpp
浏览文件 @ 9bfa2d9f
......@@ -295,6 +295,14 @@
\
product(uintx, G1FixedSurvivorSpaceSize, 0, \
"If non-0 is the size of the G1 survivor space, " \
"otherwise SurvivorRatio is used to determine the size")
"otherwise SurvivorRatio is used to determine the size") \
\
experimental(bool, G1EnableParallelRSetUpdating, false, \
"Enables the parallelization of remembered set updating " \
"during evacuation pauses") \
\
experimental(bool, G1EnableParallelRSetScanning, false, \
"Enables the parallelization of remembered set scanning " \
"during evacuation pauses")
G1_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG, DECLARE_MANAGEABLE_FLAG, DECLARE_PRODUCT_RW_FLAG)
src/share/vm/gc_implementation/parNew/parGCAllocBuffer.hpp
浏览文件 @ 9bfa2d9f
......@@ -63,9 +63,8 @@ public:
// return NULL.
HeapWord* allocate(size_t word_sz) {
HeapWord* res = _top;
HeapWord* new_top = _top + word_sz;
if (new_top <= _end) {
_top = new_top;
if (pointer_delta(_end, _top) >= word_sz) {
_top = _top + word_sz;
return res;
} else {
return NULL;
......@@ -75,10 +74,9 @@ public:
// Undo the last allocation in the buffer, which is required to be of the
// "obj" of the given "word_sz".
void undo_allocation(HeapWord* obj, size_t word_sz) {
assert(_top - word_sz >= _bottom
&& _top - word_sz == obj,
"Bad undo_allocation");
_top = _top - word_sz;
assert(pointer_delta(_top, _bottom) >= word_sz, "Bad undo");
assert(pointer_delta(_top, obj) == word_sz, "Bad undo");
_top = obj;
}
// The total (word) size of the buffer, including both allocated and
......
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