1 /* 2 * Copyright (c) 2016, 2018, 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 "jfr/recorder/checkpoint/types/jfrThreadState.hpp" 27 #include "jfr/recorder/checkpoint/jfrCheckpointWriter.hpp" 28 #include "jvmtifiles/jvmti.h" 29 30 struct jvmti_thread_state { 31 u8 id; 32 const char* description; 33 }; 34 35 static jvmti_thread_state states[] = { 36 { 37 JVMTI_JAVA_LANG_THREAD_STATE_NEW, 38 "STATE_NEW" 39 }, 40 { 41 JVMTI_THREAD_STATE_TERMINATED, 42 "STATE_TERMINATED" 43 }, 44 { 45 JVMTI_JAVA_LANG_THREAD_STATE_RUNNABLE, 46 "STATE_RUNNABLE" 47 }, 48 { 49 (JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT | JVMTI_THREAD_STATE_SLEEPING), 50 "STATE_SLEEPING" 51 }, 52 { 53 (JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_INDEFINITELY | JVMTI_THREAD_STATE_IN_OBJECT_WAIT), 54 "STATE_IN_OBJECT_WAIT" 55 }, 56 { 57 (JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT | JVMTI_THREAD_STATE_IN_OBJECT_WAIT), 58 "STATE_IN_OBJECT_WAIT_TIMED" 59 }, 60 { 61 (JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_INDEFINITELY | JVMTI_THREAD_STATE_PARKED), 62 "STATE_PARKED" 63 }, 64 { 65 (JVMTI_THREAD_STATE_ALIVE | JVMTI_THREAD_STATE_WAITING | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT | JVMTI_THREAD_STATE_PARKED), 66 "STATE_PARKED_TIMED" 67 }, 68 { 69 JVMTI_JAVA_LANG_THREAD_STATE_BLOCKED, 70 "STATE_BLOCKED_ON_MONITOR_ENTER" 71 } 72 }; 73 74 void JfrThreadState::serialize(JfrCheckpointWriter& writer) { 75 const u4 number_of_states = sizeof(states) / sizeof(jvmti_thread_state); 76 writer.write_count(number_of_states); 77 for (u4 i = 0; i < number_of_states; ++i) { 78 writer.write_key(states[i].id); 79 writer.write(states[i].description); 80 } 81 } 82