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8005849: JEP 167: Event-Based JVM Tracing

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Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Co-authored-by: Bengt Rutisson <bengt.rutisson@oracle.com>
Co-authored-by: Calvin Cheung <calvin.cheung@oracle.com>
Co-authored-by: Erik Gahlin <erik.gahlin@oracle.com>
Co-authored-by: Erik Helin <erik.helin@oracle.com>
Co-authored-by: Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>
Co-authored-by: Keith McGuigan <keith.mcguigan@oracle.com>
Co-authored-by: Mattias Tobiasson <mattias.tobiasson@oracle.com>
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Co-authored-by: Mikael Auno <mikael.auno@oracle.com>
Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com>
Co-authored-by: Nils Loodin <nils.loodin@oracle.com>
Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
Reviewed-by: acorn, coleenp, sla
This commit is contained in:
Staffan Larsen 2013-06-10 11:30:51 +02:00
parent 6b2c468c35
commit 718f3252f6
195 changed files with 7628 additions and 1484 deletions
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19
hotspot/src/share/vm/runtime/vmThread.cpp
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@ -35,6 +35,7 @@
#include "runtime/vmThread.hpp"
#include "runtime/vm_operations.hpp"
#include "services/runtimeService.hpp"
#include "trace/tracing.hpp"
#include "utilities/dtrace.hpp"
#include "utilities/events.hpp"
#include "utilities/xmlstream.hpp"
@ -365,7 +366,23 @@ void VMThread::evaluate_operation(VM_Operation* op) {
(char *) op->name(), strlen(op->name()),
op->evaluation_mode());
#endif /* USDT2 */
EventExecuteVMOperation event;
op->evaluate();
if (event.should_commit()) {
bool is_concurrent = op->evaluate_concurrently();
event.set_operation(op->type());
event.set_safepoint(op->evaluate_at_safepoint());
event.set_blocking(!is_concurrent);
// Only write caller thread information for non-concurrent vm operations.
// For concurrent vm operations, the thread id is set to 0 indicating thread is unknown.
// This is because the caller thread could have exited already.
event.set_caller(is_concurrent ? 0 : op->calling_thread()->osthread()->thread_id());
event.commit();
}
#ifndef USDT2
HS_DTRACE_PROBE3(hotspot, vmops__end, op->name(), strlen(op->name()),
op->evaluation_mode());
@ -601,7 +618,7 @@ void VMThread::execute(VM_Operation* op) {
{
VMOperationQueue_lock->lock_without_safepoint_check();
bool ok = _vm_queue->add(op);
op->set_timestamp(os::javaTimeMillis());
op->set_timestamp(os::javaTimeMillis());
VMOperationQueue_lock->notify();
VMOperationQueue_lock->unlock();
// VM_Operation got skipped