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8251302: Create dedicated OopStorages for Management and Jvmti

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Reviewed-by: sspitsyn, dholmes
This commit is contained in:
Coleen Phillimore 2020-08-11 07:29:45 -04:00
parent 28f963f6fc
commit b16a01bb67
7 changed files with 49 additions and 20 deletions
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17
src/hotspot/share/prims/jvmtiExport.cpp
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@ -29,6 +29,7 @@
#include "code/nmethod.hpp"
#include "code/pcDesc.hpp"
#include "code/scopeDesc.hpp"
#include "gc/shared/oopStorageSet.hpp"
#include "interpreter/interpreter.hpp"
#include "jvmtifiles/jvmtiEnv.hpp"
#include "logging/log.hpp"
@ -678,6 +679,18 @@ void JvmtiExport::post_vm_start() {
}
}
static OopStorage* _jvmti_oop_storage = NULL;
OopStorage* JvmtiExport::jvmti_oop_storage() {
assert(_jvmti_oop_storage != NULL, "not yet initialized");
return _jvmti_oop_storage;
}
void JvmtiExport::initialize_oop_storage() {
// OopStorage needs to be created early in startup and unconditionally
// because of OopStorageSet static array indices.
_jvmti_oop_storage = OopStorageSet::create_strong("JVMTI OopStorage");
}
void JvmtiExport::post_vm_initialized() {
EVT_TRIG_TRACE(JVMTI_EVENT_VM_INIT, ("Trg VM init event triggered" ));
@ -2828,7 +2841,7 @@ void JvmtiObjectAllocEventCollector::generate_call_for_allocated() {
oop obj = _allocated->at(i).resolve();
_post_callback(JavaThread::current(), obj);
// Release OopHandle
_allocated->at(i).release(Universe::vm_global());
_allocated->at(i).release(JvmtiExport::jvmti_oop_storage());
}
delete _allocated, _allocated = NULL;
@ -2840,7 +2853,7 @@ void JvmtiObjectAllocEventCollector::record_allocation(oop obj) {
if (_allocated == NULL) {
_allocated = new (ResourceObj::C_HEAP, mtServiceability) GrowableArray<OopHandle>(1, mtServiceability);
}
_allocated->push(OopHandle(Universe::vm_global(), obj));
_allocated->push(OopHandle(JvmtiExport::jvmti_oop_storage(), obj));
}
// Disable collection of VMObjectAlloc events