|
50113
|
1 |
/*
|
|
58863
|
2 |
* Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
|
|
50113
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
|
4 |
*
|
|
|
5 |
* This code is free software; you can redistribute it and/or modify it
|
|
|
6 |
* under the terms of the GNU General Public License version 2 only, as
|
|
|
7 |
* published by the Free Software Foundation.
|
|
|
8 |
*
|
|
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that
|
|
|
13 |
* accompanied this code).
|
|
|
14 |
*
|
|
|
15 |
* You should have received a copy of the GNU General Public License version
|
|
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
18 |
*
|
|
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
|
20 |
* or visit www.oracle.com if you need additional information or have any
|
|
|
21 |
* questions.
|
|
|
22 |
*
|
|
|
23 |
*/
|
|
|
24 |
|
|
|
25 |
#include "precompiled.hpp"
|
|
58863
|
26 |
#include "classfile/javaClasses.inline.hpp"
|
|
50113
|
27 |
#include "jfr/recorder/checkpoint/types/jfrThreadState.hpp"
|
|
|
28 |
#include "jfr/recorder/checkpoint/jfrCheckpointWriter.hpp"
|
|
58863
|
29 |
#include "jfr/support/jfrThreadLocal.hpp"
|
|
50113
|
30 |
#include "jvmtifiles/jvmti.h"
|
|
58863
|
31 |
#include "runtime/osThread.hpp"
|
|
|
32 |
#include "runtime/thread.hpp"
|
|
50113
|
33 |
|
|
|
34 |
struct jvmti_thread_state {
|
|
|
35 |
u8 id;
|
|
|
36 |
const char* description;
|
|
|
37 |
};
|
|
|
38 |
|
|
|
39 |
static jvmti_thread_state states[] = {
|
|
|
40 |
{
|
|
|
41 |
JVMTI_JAVA_LANG_THREAD_STATE_NEW,
|
|
|
42 |
"STATE_NEW"
|
|
|
43 |
},
|
|
|
44 |
{
|
|
|
45 |
JVMTI_THREAD_STATE_TERMINATED,
|
|
|
46 |
"STATE_TERMINATED"
|
|
|
47 |
},
|
|
|
48 |
{
|
|
|
49 |
JVMTI_JAVA_LANG_THREAD_STATE_RUNNABLE,
|
|
|
50 |
"STATE_RUNNABLE"
|
|
|
51 |
},
|
|
|
52 |
{
|
|
|
53 |
(JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT | JVMTI_THREAD_STATE_SLEEPING),
|
|
|
54 |
"STATE_SLEEPING"
|
|
|
55 |
},
|
|
|
56 |
{
|
|
|
57 |
(JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_INDEFINITELY | JVMTI_THREAD_STATE_IN_OBJECT_WAIT),
|
|
|
58 |
"STATE_IN_OBJECT_WAIT"
|
|
|
59 |
},
|
|
|
60 |
{
|
|
|
61 |
(JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT | JVMTI_THREAD_STATE_IN_OBJECT_WAIT),
|
|
|
62 |
"STATE_IN_OBJECT_WAIT_TIMED"
|
|
|
63 |
},
|
|
|
64 |
{
|
|
|
65 |
(JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_INDEFINITELY | JVMTI_THREAD_STATE_PARKED),
|
|
|
66 |
"STATE_PARKED"
|
|
|
67 |
},
|
|
|
68 |
{
|
|
|
69 |
(JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT | JVMTI_THREAD_STATE_PARKED),
|
|
|
70 |
"STATE_PARKED_TIMED"
|
|
|
71 |
},
|
|
|
72 |
{
|
|
|
73 |
JVMTI_JAVA_LANG_THREAD_STATE_BLOCKED,
|
|
|
74 |
"STATE_BLOCKED_ON_MONITOR_ENTER"
|
|
|
75 |
}
|
|
|
76 |
};
|
|
|
77 |
|
|
|
78 |
void JfrThreadState::serialize(JfrCheckpointWriter& writer) {
|
|
|
79 |
const u4 number_of_states = sizeof(states) / sizeof(jvmti_thread_state);
|
|
|
80 |
writer.write_count(number_of_states);
|
|
|
81 |
for (u4 i = 0; i < number_of_states; ++i) {
|
|
|
82 |
writer.write_key(states[i].id);
|
|
|
83 |
writer.write(states[i].description);
|
|
|
84 |
}
|
|
|
85 |
}
|
|
|
86 |
|
|
58863
|
87 |
traceid JfrThreadId::id(const Thread* t) {
|
|
|
88 |
assert(t != NULL, "invariant");
|
|
|
89 |
if (!t->is_Java_thread()) {
|
|
|
90 |
return os_id(t);
|
|
|
91 |
}
|
|
|
92 |
const JavaThread* const jt = (JavaThread*)t;
|
|
|
93 |
const oop thread_obj = jt->threadObj();
|
|
|
94 |
return thread_obj != NULL ? java_lang_Thread::thread_id(thread_obj) : 0;
|
|
|
95 |
}
|
|
|
96 |
|
|
|
97 |
traceid JfrThreadId::os_id(const Thread* t) {
|
|
|
98 |
assert(t != NULL, "invariant");
|
|
|
99 |
const OSThread* const os_thread = t->osthread();
|
|
|
100 |
return os_thread != NULL ? os_thread->thread_id() : 0;
|
|
|
101 |
}
|
|
|
102 |
|
|
|
103 |
traceid JfrThreadId::jfr_id(const Thread* t) {
|
|
|
104 |
assert(t != NULL, "invariant");
|
|
|
105 |
return t->jfr_thread_local()->thread_id();
|
|
|
106 |
}
|
|
|
107 |
|
|
|
108 |
// caller needs ResourceMark
|
|
|
109 |
const char* get_java_thread_name(const Thread* t) {
|
|
|
110 |
assert(t != NULL, "invariant");
|
|
|
111 |
assert(t->is_Java_thread(), "invariant");
|
|
|
112 |
const JavaThread* const jt = ((JavaThread*)t);
|
|
|
113 |
const char* name_str = "<no-name - thread name unresolved>";
|
|
|
114 |
const oop thread_obj = jt->threadObj();
|
|
|
115 |
if (thread_obj != NULL) {
|
|
|
116 |
const oop name = java_lang_Thread::name(thread_obj);
|
|
|
117 |
if (name != NULL) {
|
|
|
118 |
name_str = java_lang_String::as_utf8_string(name);
|
|
|
119 |
}
|
|
|
120 |
} else if (jt->is_attaching_via_jni()) {
|
|
|
121 |
name_str = "<no-name - thread is attaching>";
|
|
|
122 |
}
|
|
|
123 |
assert(name_str != NULL, "unexpected NULL thread name");
|
|
|
124 |
return name_str;
|
|
|
125 |
}
|
|
|
126 |
|
|
|
127 |
const char* JfrThreadName::name(const Thread* t) {
|
|
|
128 |
assert(t != NULL, "invariant");
|
|
|
129 |
return t->is_Java_thread() ? get_java_thread_name(t) : t->name();
|
|
|
130 |
}
|