J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2006 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | #include <jni.h> |
| 27 | #include "jvm.h" |
| 28 | #include "management.h" |
| 29 | #include "sun_management_VMManagementImpl.h" |
| 30 | |
| 31 | #define MAX_VERSION_LEN 20 |
| 32 | |
| 33 | JNIEXPORT jstring JNICALL |
| 34 | Java_sun_management_VMManagementImpl_getVersion0 |
| 35 | (JNIEnv *env, jclass dummy) |
| 36 | { |
| 37 | char buf[MAX_VERSION_LEN]; |
| 38 | jstring version_string = NULL; |
| 39 | |
| 40 | unsigned int major = ((unsigned int) jmm_version & 0x0FFF0000) >> 16; |
| 41 | unsigned int minor = ((unsigned int) jmm_version & 0xFF00) >> 8; |
| 42 | |
| 43 | // for internal use |
| 44 | unsigned int micro = (unsigned int) jmm_version & 0xFF; |
| 45 | |
| 46 | sprintf(buf, "%d.%d", major, minor); |
| 47 | version_string = (*env)->NewStringUTF(env, buf); |
| 48 | return version_string; |
| 49 | } |
| 50 | |
| 51 | static void setStaticBooleanField |
| 52 | (JNIEnv* env, jclass cls, const char* name, jboolean value) |
| 53 | { |
| 54 | jfieldID fid; |
| 55 | fid = (*env)->GetStaticFieldID(env, cls, name, "Z"); |
| 56 | if (fid != 0) { |
| 57 | (*env)->SetStaticBooleanField(env, cls, fid, value); |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | JNIEXPORT void JNICALL |
| 62 | Java_sun_management_VMManagementImpl_initOptionalSupportFields |
| 63 | (JNIEnv *env, jclass cls) |
| 64 | { |
| 65 | jmmOptionalSupport mos; |
| 66 | jint ret = jmm_interface->GetOptionalSupport(env, &mos); |
| 67 | |
| 68 | jboolean value; |
| 69 | |
| 70 | value = mos.isCompilationTimeMonitoringSupported; |
| 71 | setStaticBooleanField(env, cls, "compTimeMonitoringSupport", value); |
| 72 | |
| 73 | value = mos.isThreadContentionMonitoringSupported; |
| 74 | setStaticBooleanField(env, cls, "threadContentionMonitoringSupport", value); |
| 75 | |
| 76 | value = mos.isCurrentThreadCpuTimeSupported; |
| 77 | setStaticBooleanField(env, cls, "currentThreadCpuTimeSupport", value); |
| 78 | |
| 79 | value = mos.isOtherThreadCpuTimeSupported; |
| 80 | setStaticBooleanField(env, cls, "otherThreadCpuTimeSupport", value); |
| 81 | |
| 82 | value = mos.isBootClassPathSupported; |
| 83 | setStaticBooleanField(env, cls, "bootClassPathSupport", value); |
| 84 | |
| 85 | if (jmm_version >= JMM_VERSION_1_1) { |
| 86 | value = mos.isObjectMonitorUsageSupported; |
| 87 | setStaticBooleanField(env, cls, "objectMonitorUsageSupport", value); |
| 88 | |
| 89 | value = mos.isSynchronizerUsageSupported; |
| 90 | setStaticBooleanField(env, cls, "synchronizerUsageSupport", value); |
| 91 | } else { |
| 92 | setStaticBooleanField(env, cls, "objectMonitorUsageSupport", JNI_FALSE); |
| 93 | setStaticBooleanField(env, cls, "synchronizerUsageSupport", JNI_FALSE); |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | JNIEXPORT jobjectArray JNICALL |
| 98 | Java_sun_management_VMManagementImpl_getVmArguments0 |
| 99 | (JNIEnv *env, jobject dummy) |
| 100 | { |
| 101 | return jmm_interface->GetInputArgumentArray(env); |
| 102 | } |
| 103 | |
| 104 | JNIEXPORT jlong JNICALL |
| 105 | Java_sun_management_VMManagementImpl_getTotalClassCount |
| 106 | (JNIEnv *env, jobject dummy) |
| 107 | { |
| 108 | /* JMM_CLASS_LOADED_COUNT is the total number of classes loaded */ |
| 109 | jlong count = jmm_interface->GetLongAttribute(env, NULL, |
| 110 | JMM_CLASS_LOADED_COUNT); |
| 111 | return count; |
| 112 | } |
| 113 | |
| 114 | JNIEXPORT jlong JNICALL |
| 115 | Java_sun_management_VMManagementImpl_getUnloadedClassCount |
| 116 | (JNIEnv *env, jobject dummy) |
| 117 | { |
| 118 | /* JMM_CLASS_UNLOADED_COUNT is the total number of classes unloaded */ |
| 119 | jlong count = jmm_interface->GetLongAttribute(env, NULL, |
| 120 | JMM_CLASS_UNLOADED_COUNT); |
| 121 | return count; |
| 122 | } |
| 123 | |
| 124 | JNIEXPORT jboolean JNICALL |
| 125 | Java_sun_management_VMManagementImpl_getVerboseGC |
| 126 | (JNIEnv *env, jobject dummy) |
| 127 | { |
| 128 | return jmm_interface->GetBoolAttribute(env, JMM_VERBOSE_GC); |
| 129 | } |
| 130 | |
| 131 | JNIEXPORT jboolean JNICALL |
| 132 | Java_sun_management_VMManagementImpl_getVerboseClass |
| 133 | (JNIEnv *env, jobject dummy) |
| 134 | { |
| 135 | return jmm_interface->GetBoolAttribute(env, JMM_VERBOSE_CLASS); |
| 136 | } |
| 137 | |
| 138 | JNIEXPORT jlong JNICALL |
| 139 | Java_sun_management_VMManagementImpl_getTotalThreadCount |
| 140 | (JNIEnv *env, jobject dummy) |
| 141 | { |
| 142 | return jmm_interface->GetLongAttribute(env, NULL, |
| 143 | JMM_THREAD_TOTAL_COUNT); |
| 144 | } |
| 145 | |
| 146 | JNIEXPORT jint JNICALL |
| 147 | Java_sun_management_VMManagementImpl_getLiveThreadCount |
| 148 | (JNIEnv *env, jobject dummy) |
| 149 | { |
| 150 | jlong count = jmm_interface->GetLongAttribute(env, NULL, |
| 151 | JMM_THREAD_LIVE_COUNT); |
| 152 | return (jint) count; |
| 153 | } |
| 154 | |
| 155 | JNIEXPORT jint JNICALL |
| 156 | Java_sun_management_VMManagementImpl_getPeakThreadCount |
| 157 | (JNIEnv *env, jobject dummy) |
| 158 | { |
| 159 | jlong count = jmm_interface->GetLongAttribute(env, NULL, |
| 160 | JMM_THREAD_PEAK_COUNT); |
| 161 | return (jint) count; |
| 162 | } |
| 163 | |
| 164 | JNIEXPORT jint JNICALL |
| 165 | Java_sun_management_VMManagementImpl_getDaemonThreadCount |
| 166 | (JNIEnv *env, jobject dummy) |
| 167 | { |
| 168 | jlong count = jmm_interface->GetLongAttribute(env, NULL, |
| 169 | JMM_THREAD_DAEMON_COUNT); |
| 170 | return (jint) count; |
| 171 | } |
| 172 | |
| 173 | JNIEXPORT jlong JNICALL |
| 174 | Java_sun_management_VMManagementImpl_getTotalCompileTime |
| 175 | (JNIEnv *env, jobject dummy) |
| 176 | { |
| 177 | return jmm_interface->GetLongAttribute(env, NULL, |
| 178 | JMM_COMPILE_TOTAL_TIME_MS); |
| 179 | } |
| 180 | |
| 181 | JNIEXPORT jlong JNICALL |
| 182 | Java_sun_management_VMManagementImpl_getStartupTime |
| 183 | (JNIEnv *env, jobject dummy) |
| 184 | { |
| 185 | return jmm_interface->GetLongAttribute(env, NULL, |
| 186 | JMM_JVM_INIT_DONE_TIME_MS); |
| 187 | } |
| 188 | |
| 189 | JNIEXPORT jboolean JNICALL |
| 190 | Java_sun_management_VMManagementImpl_isThreadContentionMonitoringEnabled |
| 191 | (JNIEnv *env, jobject dummy) |
| 192 | { |
| 193 | return jmm_interface->GetBoolAttribute(env, |
| 194 | JMM_THREAD_CONTENTION_MONITORING); |
| 195 | } |
| 196 | |
| 197 | JNIEXPORT jboolean JNICALL |
| 198 | Java_sun_management_VMManagementImpl_isThreadCpuTimeEnabled |
| 199 | (JNIEnv *env, jobject dummy) |
| 200 | { |
| 201 | return jmm_interface->GetBoolAttribute(env, JMM_THREAD_CPU_TIME); |
| 202 | } |
| 203 | |
| 204 | JNIEXPORT jint JNICALL |
| 205 | Java_sun_management_VMManagementImpl_getProcessId |
| 206 | (JNIEnv *env, jobject dummy) |
| 207 | { |
| 208 | jlong pid = jmm_interface->GetLongAttribute(env, NULL, |
| 209 | JMM_OS_PROCESS_ID); |
| 210 | return (jint) pid; |
| 211 | } |
| 212 | |
| 213 | JNIEXPORT jint JNICALL |
| 214 | Java_sun_management_VMManagementImpl_getAvailableProcessors |
| 215 | (JNIEnv *env, jobject dummy) |
| 216 | { |
| 217 | return JVM_ActiveProcessorCount(); |
| 218 | } |
| 219 | |
| 220 | JNIEXPORT jlong JNICALL |
| 221 | Java_sun_management_VMManagementImpl_getSafepointCount |
| 222 | (JNIEnv *env, jobject dummy) |
| 223 | { |
| 224 | return jmm_interface->GetLongAttribute(env, NULL, |
| 225 | JMM_SAFEPOINT_COUNT); |
| 226 | } |
| 227 | |
| 228 | JNIEXPORT jlong JNICALL |
| 229 | Java_sun_management_VMManagementImpl_getTotalSafepointTime |
| 230 | (JNIEnv *env, jobject dummy) |
| 231 | { |
| 232 | return jmm_interface->GetLongAttribute(env, NULL, |
| 233 | JMM_TOTAL_STOPPED_TIME_MS); |
| 234 | } |
| 235 | |
| 236 | JNIEXPORT jlong JNICALL |
| 237 | Java_sun_management_VMManagementImpl_getSafepointSyncTime |
| 238 | (JNIEnv *env, jobject dummy) |
| 239 | { |
| 240 | return jmm_interface->GetLongAttribute(env, NULL, |
| 241 | JMM_TOTAL_SAFEPOINTSYNC_TIME_MS); |
| 242 | } |
| 243 | |
| 244 | JNIEXPORT jlong JNICALL |
| 245 | Java_sun_management_VMManagementImpl_getTotalApplicationNonStoppedTime |
| 246 | (JNIEnv *env, jobject dummy) |
| 247 | { |
| 248 | return jmm_interface->GetLongAttribute(env, NULL, |
| 249 | JMM_TOTAL_APP_TIME_MS); |
| 250 | } |
| 251 | |
| 252 | JNIEXPORT jlong JNICALL |
| 253 | Java_sun_management_VMManagementImpl_getLoadedClassSize |
| 254 | (JNIEnv *env, jobject dummy) |
| 255 | { |
| 256 | return jmm_interface->GetLongAttribute(env, NULL, |
| 257 | JMM_CLASS_LOADED_BYTES); |
| 258 | } |
| 259 | |
| 260 | JNIEXPORT jlong JNICALL |
| 261 | Java_sun_management_VMManagementImpl_getUnloadedClassSize |
| 262 | (JNIEnv *env, jobject dummy) |
| 263 | { |
| 264 | return jmm_interface->GetLongAttribute(env, NULL, |
| 265 | JMM_CLASS_UNLOADED_BYTES); |
| 266 | } |
| 267 | JNIEXPORT jlong JNICALL |
| 268 | Java_sun_management_VMManagementImpl_getClassLoadingTime |
| 269 | (JNIEnv *env, jobject dummy) |
| 270 | { |
| 271 | return jmm_interface->GetLongAttribute(env, NULL, |
| 272 | JMM_TOTAL_CLASSLOAD_TIME_MS); |
| 273 | } |
| 274 | |
| 275 | |
| 276 | JNIEXPORT jlong JNICALL |
| 277 | Java_sun_management_VMManagementImpl_getMethodDataSize |
| 278 | (JNIEnv *env, jobject dummy) |
| 279 | { |
| 280 | return jmm_interface->GetLongAttribute(env, NULL, |
| 281 | JMM_METHOD_DATA_SIZE_BYTES); |
| 282 | } |
| 283 | |
| 284 | JNIEXPORT jlong JNICALL |
| 285 | Java_sun_management_VMManagementImpl_getInitializedClassCount |
| 286 | (JNIEnv *env, jobject dummy) |
| 287 | { |
| 288 | return jmm_interface->GetLongAttribute(env, NULL, |
| 289 | JMM_CLASS_INIT_TOTAL_COUNT); |
| 290 | } |
| 291 | |
| 292 | JNIEXPORT jlong JNICALL |
| 293 | Java_sun_management_VMManagementImpl_getClassInitializationTime |
| 294 | (JNIEnv *env, jobject dummy) |
| 295 | { |
| 296 | return jmm_interface->GetLongAttribute(env, NULL, |
| 297 | JMM_CLASS_INIT_TOTAL_TIME_MS); |
| 298 | } |
| 299 | |
| 300 | JNIEXPORT jlong JNICALL |
| 301 | Java_sun_management_VMManagementImpl_getClassVerificationTime |
| 302 | (JNIEnv *env, jobject dummy) |
| 303 | { |
| 304 | return jmm_interface->GetLongAttribute(env, NULL, |
| 305 | JMM_CLASS_VERIFY_TOTAL_TIME_MS); |
| 306 | } |