1/*
2 * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
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"
26#include "classfile/classLoader.hpp"
27#include "logging/log.hpp"
28#include "logging/logStream.hpp"
29#include "runtime/vm_version.hpp"
30#include "services/attachListener.hpp"
31#include "services/management.hpp"
32#include "services/runtimeService.hpp"
33#include "utilities/dtrace.hpp"
34#include "utilities/exceptions.hpp"
35#include "utilities/macros.hpp"
36
37#if INCLUDE_MANAGEMENT
38PerfCounter* RuntimeService::_sync_time_ticks = NULL;
39PerfCounter* RuntimeService::_total_safepoints = NULL;
40PerfCounter* RuntimeService::_safepoint_time_ticks = NULL;
41PerfCounter* RuntimeService::_application_time_ticks = NULL;
42
43void RuntimeService::init() {
44 if (UsePerfData) {
45 EXCEPTION_MARK;
46
47 _sync_time_ticks =
48 PerfDataManager::create_counter(SUN_RT, "safepointSyncTime",
49 PerfData::U_Ticks, CHECK);
50
51 _total_safepoints =
52 PerfDataManager::create_counter(SUN_RT, "safepoints",
53 PerfData::U_Events, CHECK);
54
55 _safepoint_time_ticks =
56 PerfDataManager::create_counter(SUN_RT, "safepointTime",
57 PerfData::U_Ticks, CHECK);
58
59 _application_time_ticks =
60 PerfDataManager::create_counter(SUN_RT, "applicationTime",
61 PerfData::U_Ticks, CHECK);
62
63
64 // create performance counters for jvm_version and its capabilities
65 PerfDataManager::create_constant(SUN_RT, "jvmVersion", PerfData::U_None,
66 (jlong) VM_Version::jvm_version(), CHECK);
67
68 // The capabilities counter is a binary representation of the VM capabilities in string.
69 // This string respresentation simplifies the implementation of the client side
70 // to parse the value.
71 char capabilities[65];
72 size_t len = sizeof(capabilities);
73 memset((void*) capabilities, '0', len);
74 capabilities[len-1] = '\0';
75 capabilities[0] = AttachListener::is_attach_supported() ? '1' : '0';
76#if INCLUDE_SERVICES
77 capabilities[1] = '1';
78#endif // INCLUDE_SERVICES
79 PerfDataManager::create_string_constant(SUN_RT, "jvmCapabilities",
80 capabilities, CHECK);
81 }
82}
83
84void RuntimeService::record_safepoint_begin(jlong app_ticks) {
85 HS_PRIVATE_SAFEPOINT_BEGIN();
86 if (UsePerfData) {
87 _total_safepoints->inc();
88 _application_time_ticks->inc(app_ticks);
89 }
90}
91
92void RuntimeService::record_safepoint_synchronized(jlong sync_ticks) {
93 if (UsePerfData) {
94 _sync_time_ticks->inc(sync_ticks);
95 }
96}
97
98void RuntimeService::record_safepoint_end(jlong safepoint_ticks) {
99 HS_PRIVATE_SAFEPOINT_END();
100 if (UsePerfData) {
101 _safepoint_time_ticks->inc(safepoint_ticks);
102 }
103}
104
105jlong RuntimeService::safepoint_sync_time_ms() {
106 return UsePerfData ?
107 Management::ticks_to_ms(_sync_time_ticks->get_value()) : -1;
108}
109
110jlong RuntimeService::safepoint_count() {
111 return UsePerfData ?
112 _total_safepoints->get_value() : -1;
113}
114jlong RuntimeService::safepoint_time_ms() {
115 return UsePerfData ?
116 Management::ticks_to_ms(_safepoint_time_ticks->get_value()) : -1;
117}
118
119jlong RuntimeService::application_time_ms() {
120 return UsePerfData ?
121 Management::ticks_to_ms(_application_time_ticks->get_value()) : -1;
122}
123
124#endif // INCLUDE_MANAGEMENT
125