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8245961: Shenandoah: move some root marking to concurrent phase

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Reviewed-by: shade
This commit is contained in:
Zhengyu Gu 2020-06-02 14:57:40 -04:00
parent 8752e02e66
commit 512cc3ebf2
8 changed files with 198 additions and 82 deletions
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17
src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.cpp
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@ -28,6 +28,7 @@
#include "classfile/stringTable.hpp"
#include "classfile/systemDictionary.hpp"
#include "code/codeCache.hpp"
#include "code/nmethod.hpp"
#include "gc/shenandoah/shenandoahClosures.inline.hpp"
#include "gc/shenandoah/shenandoahConcurrentRoots.hpp"
#include "gc/shenandoah/shenandoahRootProcessor.inline.hpp"
@ -199,10 +200,12 @@ ShenandoahRootScanner::ShenandoahRootScanner(uint n_workers, ShenandoahPhaseTimi
ShenandoahRootProcessor(phase),
_serial_roots(phase),
_thread_roots(phase, n_workers > 1),
_code_roots(phase),
_vm_roots(phase),
_dedup_roots(phase),
_cld_roots(phase, n_workers) {
_dedup_roots(phase) {
nmethod::oops_do_marking_prologue();
}
ShenandoahRootScanner::~ShenandoahRootScanner() {
nmethod::oops_do_marking_epilogue();
}
void ShenandoahRootScanner::roots_do(uint worker_id, OopClosure* oops) {
@ -232,9 +235,7 @@ void ShenandoahRootScanner::roots_do(uint worker_id, OopClosure* oops, CLDClosur
_serial_roots.oops_do(oops, worker_id);
// Process light-weight/limited parallel roots then
_vm_roots.oops_do(oops, worker_id);
_dedup_roots.oops_do(&always_true, oops, worker_id);
_cld_roots.cld_do(clds, worker_id);
// Process heavy-weight/fully parallel roots the last
_thread_roots.threads_do(&tc_cl, worker_id);
@ -249,10 +250,6 @@ void ShenandoahRootScanner::strong_roots_do(uint worker_id, OopClosure* oops, CL
// Process serial-claiming roots first
_serial_roots.oops_do(oops, worker_id);
// Process light-weight/limited parallel roots then
_vm_roots.oops_do(oops, worker_id);
_cld_roots.always_strong_cld_do(clds, worker_id);
// Process heavy-weight/fully parallel roots the last
_thread_roots.threads_do(&tc_cl, worker_id);
}