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1 /* |
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2 * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 #include <stdlib.h> |
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25 #include <string.h> |
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26 #include "jvmti.h" |
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27 #include "agent_common.h" |
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28 #include "jni_tools.h" |
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29 #include "jvmti_tools.h" |
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30 |
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31 #ifdef __cplusplus |
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32 extern "C" { |
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33 #endif |
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34 |
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35 /* ============================================================================= */ |
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36 |
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37 static jlong timeout = 0; |
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38 |
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39 #define STATUS_FAIL 97 |
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40 |
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41 #define EVENTS_COUNT 2 |
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42 |
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43 static jvmtiEvent events[EVENTS_COUNT] = { |
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44 JVMTI_EVENT_VM_INIT, |
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45 JVMTI_EVENT_VM_DEATH |
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46 }; |
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47 |
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48 #define THREAD_EVENTS_COUNT 2 |
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49 |
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50 static jvmtiEvent threadEvents[THREAD_EVENTS_COUNT] = { |
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51 JVMTI_EVENT_THREAD_START, |
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52 JVMTI_EVENT_THREAD_END |
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53 }; |
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54 |
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55 static jvmtiTimerInfo initInfo; |
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56 |
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57 /* ============================================================================= */ |
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58 |
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59 /** |
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60 * Get timer info and optionally compares it with initial one. |
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61 * @returns NSK_FALSE if any error occured. |
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62 */ |
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63 static int checkTimerInfo(jvmtiEnv* jvmti, jvmtiTimerInfo* info, |
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64 jvmtiTimerInfo* initInfo, const char where[]) { |
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65 |
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66 char buf[64], buf2[64]; |
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67 int success = NSK_TRUE; |
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68 |
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69 NSK_DISPLAY0("GetThreadCpuTimerInfo() for current JVMTI env\n"); |
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70 if (!NSK_JVMTI_VERIFY( |
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71 NSK_CPP_STUB2(GetThreadCpuTimerInfo, jvmti, info))) { |
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72 return NSK_FALSE; |
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73 } |
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74 NSK_DISPLAY0("Got timer info:\n"); |
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75 |
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76 NSK_DISPLAY1(" max_value: %s\n", |
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77 julong_to_string((julong)info->max_value, buf)); |
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78 NSK_DISPLAY1(" may_skip_forward: %d\n", (int)info->may_skip_forward); |
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79 NSK_DISPLAY1(" may_skip_backward: %d\n", (int)info->may_skip_backward); |
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80 |
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81 if (initInfo != NULL) { |
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82 NSK_DISPLAY0("Compare with initial timer info\n"); |
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83 if (info->max_value != initInfo->max_value) { |
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84 NSK_COMPLAIN4("In %s GetThreadCpuTimerInfo() returned different info:\n" |
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85 "# field: %s\n" |
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86 "# got value: %s\n" |
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87 "# initial: %s\n", |
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88 where, "max_value", |
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89 julong_to_string((julong)info->max_value, buf), |
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90 julong_to_string((julong)initInfo->max_value, buf2)); |
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91 success = NSK_FALSE; |
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92 } |
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93 if (info->may_skip_forward != initInfo->may_skip_forward) { |
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94 NSK_COMPLAIN4("In %s GetThreadCpuTimerInfo() returned different info:\n" |
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95 "# field: %s\n" |
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96 "# got value: %d\n" |
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97 "# initial: %d\n", |
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98 where, "may_skip_forward", |
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99 (int)info->may_skip_forward, |
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100 (int)initInfo->may_skip_forward); |
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101 success = NSK_FALSE; |
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102 } |
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103 if (info->may_skip_backward != initInfo->may_skip_backward) { |
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104 NSK_COMPLAIN4("In %s GetThreadCpuTimerInfo() returned different info:\n" |
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105 "# field: %s\n" |
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106 "# got value: %d\n" |
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107 "# initial: %d\n", |
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108 where, "may_skip_backward", |
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109 (int)info->may_skip_backward, |
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110 (int)initInfo->may_skip_backward); |
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111 success = NSK_FALSE; |
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112 } |
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113 } |
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114 |
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115 return success; |
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116 } |
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117 /* ============================================================================= */ |
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118 |
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119 /** Agent algorithm. */ |
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120 static void JNICALL |
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121 agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) { |
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122 NSK_DISPLAY0("Wait for debugee to become ready\n"); |
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123 if (!nsk_jvmti_waitForSync(timeout)) |
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124 return; |
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125 |
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126 NSK_DISPLAY0(">>> Testcase #2: Check timer info in agent thread\n"); |
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127 { |
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128 jvmtiTimerInfo info; |
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129 if (!checkTimerInfo(jvmti, &info, &initInfo, "agent thread")) { |
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130 nsk_jvmti_setFailStatus(); |
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131 } |
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132 } |
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133 |
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134 NSK_DISPLAY0(">>> Testcases #3,4: Check timer info in thread events\n"); |
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135 { |
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136 NSK_DISPLAY1("Enable thread events: %d events\n", THREAD_EVENTS_COUNT); |
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137 if (nsk_jvmti_enableEvents(JVMTI_ENABLE, THREAD_EVENTS_COUNT, threadEvents, NULL)) { |
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138 NSK_DISPLAY0(" ... enabled\n"); |
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139 } |
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140 |
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141 NSK_DISPLAY0("Let tested thread to start and finish\n"); |
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142 if (!nsk_jvmti_resumeSync()) |
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143 return; |
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144 if (!nsk_jvmti_waitForSync(timeout)) |
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145 return; |
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146 |
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147 NSK_DISPLAY1("Disable thread events: %d events\n", THREAD_EVENTS_COUNT); |
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148 if (nsk_jvmti_enableEvents(JVMTI_DISABLE, THREAD_EVENTS_COUNT, threadEvents, NULL)) { |
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149 NSK_DISPLAY0(" ... disabled\n"); |
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150 } |
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151 } |
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152 |
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153 NSK_DISPLAY0("Let debugee to finish\n"); |
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154 if (!nsk_jvmti_resumeSync()) |
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155 return; |
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156 } |
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157 |
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158 /* ============================================================================= */ |
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159 |
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160 /** |
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161 * Callback for VM_INIT event. |
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162 */ |
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163 JNIEXPORT void JNICALL |
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164 callbackVMInit(jvmtiEnv* jvmti, JNIEnv* jni, jthread thread) { |
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165 |
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166 NSK_DISPLAY0(">>> Testcase #1: Check initial timer info in VM_INIT callback\n"); |
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167 { |
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168 if (!checkTimerInfo(jvmti, &initInfo, NULL, "VM_INIT callback")) { |
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169 nsk_jvmti_setFailStatus(); |
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170 } |
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171 } |
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172 } |
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173 |
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174 /** |
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175 * Callback for VM_DEATH event. |
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176 */ |
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177 JNIEXPORT void JNICALL |
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178 callbackVMDeath(jvmtiEnv* jvmti, JNIEnv* jni) { |
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179 int success = NSK_TRUE; |
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180 |
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181 NSK_DISPLAY0(">>> Testcase #5: Check timer info in VM_DEATH callback\n"); |
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182 { |
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183 jvmtiTimerInfo info; |
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184 success = checkTimerInfo(jvmti, &info, &initInfo, "VM_DEATH callback"); |
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185 } |
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186 |
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187 NSK_DISPLAY1("Disable events: %d events\n", EVENTS_COUNT); |
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188 if (!nsk_jvmti_enableEvents(JVMTI_DISABLE, EVENTS_COUNT, events, NULL)) { |
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189 success = NSK_FALSE; |
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190 } else { |
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191 NSK_DISPLAY0(" ... disabled\n"); |
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192 } |
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193 |
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194 if (!success) { |
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195 NSK_DISPLAY1("Exit with FAIL exit status: %d\n", STATUS_FAIL); |
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196 NSK_BEFORE_TRACE(exit(STATUS_FAIL)); |
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197 } |
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198 } |
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199 |
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200 /* ============================================================================= */ |
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201 |
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202 /** |
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203 * Callback for THREAD_START event. |
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204 */ |
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205 JNIEXPORT void JNICALL |
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206 callbackThreadStart(jvmtiEnv* jvmti, JNIEnv* jni, jthread thread) { |
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207 |
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208 NSK_DISPLAY0(">>> Testcase #3: Check timer info in THREAD_START callback\n"); |
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209 { |
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210 jvmtiTimerInfo info; |
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211 if (!checkTimerInfo(jvmti, &info, &initInfo, "THREAD_START callback")) { |
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212 nsk_jvmti_setFailStatus(); |
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213 } |
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214 } |
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215 } |
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216 |
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217 /** |
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218 * Callback for THREAD_END event. |
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219 */ |
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220 JNIEXPORT void JNICALL |
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221 callbackThreadEnd(jvmtiEnv* jvmti, JNIEnv* jni, jthread thread) { |
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222 |
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223 NSK_DISPLAY0(">>> Testcase #4: Check timer info in THREAD_END callback\n"); |
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224 { |
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225 jvmtiTimerInfo info; |
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226 if (!checkTimerInfo(jvmti, &info, &initInfo, "THREAD_END callback")) { |
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227 nsk_jvmti_setFailStatus(); |
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228 } |
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229 } |
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230 } |
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231 |
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232 /* ============================================================================= */ |
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233 |
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234 /** Agent library initialization. */ |
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235 #ifdef STATIC_BUILD |
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236 JNIEXPORT jint JNICALL Agent_OnLoad_thrtimerinfo001(JavaVM *jvm, char *options, void *reserved) { |
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237 return Agent_Initialize(jvm, options, reserved); |
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238 } |
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239 JNIEXPORT jint JNICALL Agent_OnAttach_thrtimerinfo001(JavaVM *jvm, char *options, void *reserved) { |
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240 return Agent_Initialize(jvm, options, reserved); |
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241 } |
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242 JNIEXPORT jint JNI_OnLoad_thrtimerinfo001(JavaVM *jvm, char *options, void *reserved) { |
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243 return JNI_VERSION_1_8; |
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244 } |
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245 #endif |
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246 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
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247 jvmtiEnv* jvmti = NULL; |
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248 |
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249 if (!NSK_VERIFY(nsk_jvmti_parseOptions(options))) |
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250 return JNI_ERR; |
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251 |
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252 timeout = nsk_jvmti_getWaitTime() * 60 * 1000; |
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253 |
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254 if (!NSK_VERIFY((jvmti = |
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255 nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL)) |
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256 return JNI_ERR; |
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257 |
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258 NSK_DISPLAY1("Add required capability: %s\n", "can_get_thread_cpu_time"); |
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259 { |
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260 jvmtiCapabilities caps; |
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261 |
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262 memset(&caps, 0, sizeof(caps)); |
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263 caps.can_get_thread_cpu_time = 1; |
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264 if (!NSK_JVMTI_VERIFY( |
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265 NSK_CPP_STUB2(AddCapabilities, jvmti, &caps))) { |
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266 return JNI_ERR; |
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267 } |
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268 } |
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269 NSK_DISPLAY0(" ... capability added\n"); |
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270 |
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271 NSK_DISPLAY1("Set events callbacks: %s\n", "VM_INIT, VM_DEATH, THREAD_START, THREAD_END"); |
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272 { |
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273 jvmtiEventCallbacks eventCallbacks; |
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274 |
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275 memset(&eventCallbacks, 0, sizeof(eventCallbacks)); |
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276 eventCallbacks.VMInit = callbackVMInit; |
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277 eventCallbacks.VMDeath = callbackVMDeath; |
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278 eventCallbacks.ThreadStart = callbackThreadStart; |
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279 eventCallbacks.ThreadEnd = callbackThreadEnd; |
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280 if (!NSK_JVMTI_VERIFY( |
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281 NSK_CPP_STUB3(SetEventCallbacks, jvmti, |
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282 &eventCallbacks, sizeof(eventCallbacks)))) { |
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283 return JNI_ERR; |
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284 } |
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285 } |
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286 NSK_DISPLAY0(" ... callbacks set\n"); |
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287 |
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288 if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL))) |
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289 return JNI_ERR; |
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290 |
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291 NSK_DISPLAY1("Enable events: %d events\n", EVENTS_COUNT); |
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292 if (nsk_jvmti_enableEvents(JVMTI_ENABLE, EVENTS_COUNT, events, NULL)) { |
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293 NSK_DISPLAY0(" ... enabled\n"); |
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294 } |
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295 |
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296 return JNI_OK; |
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297 } |
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298 |
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299 /* ============================================================================= */ |
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300 |
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301 #ifdef __cplusplus |
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302 } |
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303 #endif |