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8199712: Flight Recorder

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Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Reviewed-by: coleenp, ihse, erikj, dsamersoff, mseledtsov, egahlin, mgronlun
This commit is contained in:
Erik Gahlin 2018-05-15 20:24:34 +02:00
parent f575533a17
commit a060be188d
1062 changed files with 119159 additions and 3164 deletions
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23
src/hotspot/share/prims/unsafe.cpp
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@ -27,6 +27,7 @@
#include "jvm.h"
#include "classfile/classFileStream.hpp"
#include "classfile/vmSymbols.hpp"
#include "jfr/jfrEvents.hpp"
#include "memory/allocation.inline.hpp"
#include "memory/resourceArea.hpp"
#include "oops/access.inline.hpp"
@ -45,7 +46,6 @@
#include "runtime/threadSMR.hpp"
#include "runtime/vm_version.hpp"
#include "services/threadService.hpp"
#include "trace/tracing.hpp"
#include "utilities/align.hpp"
#include "utilities/copy.hpp"
#include "utilities/dtrace.hpp"
@ -926,22 +926,25 @@ UNSAFE_ENTRY(jboolean, Unsafe_CompareAndSetLong(JNIEnv *env, jobject unsafe, job
}
} UNSAFE_END
static void post_thread_park_event(EventThreadPark* event, const oop obj, jlong timeout) {
assert(event != NULL, "invariant");
assert(event->should_commit(), "invariant");
event->set_parkedClass((obj != NULL) ? obj->klass() : NULL);
event->set_timeout(timeout);
event->set_address((obj != NULL) ? (u8)cast_from_oop<uintptr_t>(obj) : 0);
event->commit();
}
UNSAFE_ENTRY(void, Unsafe_Park(JNIEnv *env, jobject unsafe, jboolean isAbsolute, jlong time)) {
EventThreadPark event;
HOTSPOT_THREAD_PARK_BEGIN((uintptr_t) thread->parker(), (int) isAbsolute, time);
EventThreadPark event;
JavaThreadParkedState jtps(thread, time != 0);
thread->parker()->park(isAbsolute != 0, time);
HOTSPOT_THREAD_PARK_END((uintptr_t) thread->parker());
if (event.should_commit()) {
oop obj = thread->current_park_blocker();
event.set_parkedClass((obj != NULL) ? obj->klass() : NULL);
event.set_timeout(time);
event.set_address((obj != NULL) ? (TYPE_ADDRESS) cast_from_oop<uintptr_t>(obj) : 0);
event.commit();
post_thread_park_event(&event, thread->current_park_blocker(), time);
}
HOTSPOT_THREAD_PARK_END((uintptr_t) thread->parker());
} UNSAFE_END
UNSAFE_ENTRY(void, Unsafe_Unpark(JNIEnv *env, jobject unsafe, jobject jthread)) {