src/share/vm/runtime/thread.cpp
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rev 4773 : 8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
@@ -75,11 +75,12 @@
#include "runtime/vm_operations.hpp"
#include "services/attachListener.hpp"
#include "services/management.hpp"
#include "services/memTracker.hpp"
#include "services/threadService.hpp"
-#include "trace/traceEventTypes.hpp"
+#include "trace/tracing.hpp"
+#include "trace/traceMacros.hpp"
#include "utilities/defaultStream.hpp"
#include "utilities/dtrace.hpp"
#include "utilities/events.hpp"
#include "utilities/preserveException.hpp"
#include "utilities/macros.hpp"
@@ -236,11 +237,10 @@
NOT_PRODUCT(_allow_safepoint_count = 0;)
NOT_PRODUCT(_skip_gcalot = false;)
CHECK_UNHANDLED_OOPS_ONLY(_gc_locked_out_count = 0;)
_jvmti_env_iteration_count = 0;
set_allocated_bytes(0);
- set_trace_buffer(NULL);
_vm_operation_started_count = 0;
_vm_operation_completed_count = 0;
_current_pending_monitor = NULL;
_current_pending_monitor_is_from_java = true;
_current_waiting_monitor = NULL;
@@ -1657,13 +1657,15 @@
if (JvmtiExport::should_post_thread_life()) {
JvmtiExport::post_thread_start(this);
}
- EVENT_BEGIN(TraceEventThreadStart, event);
- EVENT_COMMIT(event,
- EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(this->threadObj())));
+ EventThreadStart event;
+ if (event.should_commit()) {
+ event.set_javalangthread(java_lang_Thread::thread_id(this->threadObj()));
+ event.commit();
+ }
// We call another function to do the rest so we are sure that the stack addresses used
// from there will be lower than the stack base just computed
thread_main_inner();
@@ -1789,13 +1791,15 @@
}
}
// Called before the java thread exit since we want to read info
// from java_lang_Thread object
- EVENT_BEGIN(TraceEventThreadEnd, event);
- EVENT_COMMIT(event,
- EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(this->threadObj())));
+ EventThreadEnd event;
+ if (event.should_commit()) {
+ event.set_javalangthread(java_lang_Thread::thread_id(this->threadObj()));
+ event.commit();
+ }
// Call after last event on thread
EVENT_THREAD_EXIT(this);
// Call Thread.exit(). We try 3 times in case we got another Thread.stop during
@@ -3646,12 +3650,12 @@
}
// Notify JVMTI agents that VM initialization is complete - nop if no agents.
JvmtiExport::post_vm_initialized();
- if (!TRACE_START()) {
- vm_exit_during_initialization(Handle(THREAD, PENDING_EXCEPTION));
+ if (TRACE_START() != JNI_OK) {
+ vm_exit_during_initialization("Failed to start tracing backend.");
}
if (CleanChunkPoolAsync) {
Chunk::start_chunk_pool_cleaner_task();
}