Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Backport 72a976ef05fc2c62657920a560a0abc60b27c852
- Loading branch information
Showing
35 changed files
with
1,507 additions
and
538 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
131 changes: 131 additions & 0 deletions
131
src/hotspot/share/jfr/periodic/jfrFinalizerStatisticsEvent.cpp
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,131 @@ | ||
/* | ||
* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved. | ||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
* | ||
* This code is free software; you can redistribute it and/or modify it | ||
* under the terms of the GNU General Public License version 2 only, as | ||
* published by the Free Software Foundation. | ||
* | ||
* This code is distributed in the hope that it will be useful, but WITHOUT | ||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
* version 2 for more details (a copy is included in the LICENSE file that | ||
* accompanied this code). | ||
* | ||
* You should have received a copy of the GNU General Public License version | ||
* 2 along with this work; if not, write to the Free Software Foundation, | ||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
* | ||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
* or visit www.oracle.com if you need additional information or have any | ||
* questions. | ||
* | ||
*/ | ||
|
||
#include "precompiled.hpp" | ||
#include "utilities/macros.hpp" | ||
#if INCLUDE_MANAGEMENT | ||
#include "classfile/classLoaderDataGraph.hpp" | ||
#include "classfile/javaClasses.inline.hpp" | ||
#include "jfr/jfrEvents.hpp" | ||
#include "jfr/jni/jfrJavaSupport.hpp" | ||
#include "jfr/periodic/jfrFinalizerStatisticsEvent.hpp" | ||
#include "jfr/support/jfrSymbolTable.hpp" | ||
#include "jfr/utilities/jfrTime.hpp" | ||
#include "jfr/utilities/jfrTypes.hpp" | ||
#include "oops/instanceKlass.inline.hpp" | ||
#include "runtime/mutexLocker.hpp" | ||
#include "runtime/thread.inline.hpp" | ||
#include "services/finalizerService.hpp" | ||
|
||
static oop get_codesource(oop pd, Thread* thread) { | ||
assert(pd != NULL, "invariant"); | ||
assert(thread != NULL, "invariant"); | ||
JavaValue result(T_OBJECT); | ||
JfrJavaArguments args(&result); | ||
args.set_klass(pd->klass()); | ||
args.set_name("codesource"); | ||
args.set_signature("Ljava/security/CodeSource;"); | ||
args.set_receiver(pd); | ||
JfrJavaSupport::get_field(&args, thread); | ||
return result.get_oop(); | ||
} | ||
|
||
// Caller needs ResourceMark | ||
static const char* get_locationNoFragString(oop codesource, Thread* thread) { | ||
assert(codesource != NULL, "invariant"); | ||
assert(thread != NULL, "invariant"); | ||
JavaValue result(T_OBJECT); | ||
JfrJavaArguments args(&result); | ||
args.set_klass(codesource->klass()); | ||
args.set_name("locationNoFragString"); | ||
args.set_signature("Ljava/lang/String;"); | ||
args.set_receiver(codesource); | ||
JfrJavaSupport::get_field(&args, thread); | ||
const oop string_oop = result.get_oop(); | ||
return string_oop != NULL ? JfrJavaSupport::c_str(string_oop, thread) : NULL; | ||
} | ||
|
||
// Caller needs ResourceMark | ||
static const char* codesource(const InstanceKlass* ik, Thread* thread) { | ||
assert(ik != NULL, "invariant"); | ||
assert(thread != NULL, "invariant"); | ||
oop pd = java_lang_Class::protection_domain(ik->java_mirror()); | ||
if (pd == NULL) { | ||
return NULL; | ||
} | ||
oop codesource = get_codesource(pd, thread); | ||
return codesource != NULL ? get_locationNoFragString(codesource, thread) : NULL; | ||
} | ||
|
||
static void send_event(const FinalizerEntry* fe, const InstanceKlass* ik, const JfrTicks& timestamp, Thread* thread) { | ||
assert(ik != NULL, "invariant"); | ||
assert(ik->has_finalizer(), "invariant"); | ||
assert(thread != NULL, "invariant"); | ||
const char* const url = codesource(ik, thread); | ||
const traceid url_symbol_id = url != NULL ? JfrSymbolTable::add(url) : 0; | ||
EventFinalizerStatistics event(UNTIMED); | ||
event.set_endtime(timestamp); | ||
event.set_finalizableClass(ik); | ||
event.set_codeSource(url_symbol_id); | ||
if (fe == NULL) { | ||
event.set_objects(0); | ||
event.set_totalFinalizersRun(0); | ||
} else { | ||
assert(fe->klass() == ik, "invariant"); | ||
event.set_objects(fe->objects_on_heap()); | ||
event.set_totalFinalizersRun(fe->total_finalizers_run()); | ||
} | ||
event.commit(); | ||
} | ||
|
||
void JfrFinalizerStatisticsEvent::send_unload_event(const InstanceKlass* ik) { | ||
Thread* const thread = Thread::current(); | ||
ResourceMark rm(thread); | ||
send_event(FinalizerService::lookup(ik, thread), ik, JfrTicks::now(), thread); | ||
} | ||
|
||
// Finalizer events generated by the periodic task will all have the same timestamp. | ||
|
||
class FinalizerStatisticsEventClosure : public FinalizerEntryClosure { | ||
private: | ||
Thread* _thread; | ||
const JfrTicks _timestamp; | ||
public: | ||
FinalizerStatisticsEventClosure(Thread* thread) : _thread(thread), _timestamp(JfrTicks::now()) {} | ||
virtual bool do_entry(const FinalizerEntry* fe) { | ||
assert(fe != NULL, "invariant"); | ||
send_event(fe, fe->klass(), _timestamp, _thread); | ||
return true; | ||
} | ||
}; | ||
|
||
void JfrFinalizerStatisticsEvent::generate_events() { | ||
Thread* const thread = Thread::current(); | ||
ResourceMark rm(thread); | ||
FinalizerStatisticsEventClosure fsec(thread); | ||
MutexLocker lock(ClassLoaderDataGraph_lock); // To prevent entries from being removed by class unloading. | ||
FinalizerService::do_entries(&fsec, thread); | ||
} | ||
|
||
#endif // INCLUDE_MANAGEMENT |
38 changes: 38 additions & 0 deletions
38
src/hotspot/share/jfr/periodic/jfrFinalizerStatisticsEvent.hpp
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,38 @@ | ||
/* | ||
* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved. | ||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
* | ||
* This code is free software; you can redistribute it and/or modify it | ||
* under the terms of the GNU General Public License version 2 only, as | ||
* published by the Free Software Foundation. | ||
* | ||
* This code is distributed in the hope that it will be useful, but WITHOUT | ||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
* version 2 for more details (a copy is included in the LICENSE file that | ||
* accompanied this code). | ||
* | ||
* You should have received a copy of the GNU General Public License version | ||
* 2 along with this work; if not, write to the Free Software Foundation, | ||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
* | ||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
* or visit www.oracle.com if you need additional information or have any | ||
* questions. | ||
* | ||
*/ | ||
|
||
#ifndef SHARE_JFR_PERIODIC_JFRFINALIZERSTATISTICSEVENT_HPP | ||
#define SHARE_JFR_PERIODIC_JFRFINALIZERSTATISTICSEVENT_HPP | ||
|
||
#include "memory/allocation.hpp" | ||
|
||
class InstanceKlass; | ||
|
||
class JfrFinalizerStatisticsEvent : AllStatic { | ||
public: | ||
static void send_unload_event(const InstanceKlass* ik) NOT_MANAGEMENT_RETURN; | ||
static void generate_events() NOT_MANAGEMENT_RETURN; | ||
}; | ||
|
||
#endif // SHARE_JFR_PERIODIC_JFRFINALIZERSTATISTICSEVENT_HPP |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.