/*
* Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include <jni.h>
#include "jvm.h"
#include "management.h"
#include "sun_management_VMManagementImpl.h"
#define MAX_VERSION_LEN 20
JNIEXPORT jstring JNICALL
Java_sun_management_VMManagementImpl_getVersion0
(JNIEnv *env, jclass dummy)
{
char buf[MAX_VERSION_LEN];
jstring version_string = NULL;
unsigned int major = ((unsigned int) jmm_version & 0x0FFF0000) >> 16;
unsigned int minor = ((unsigned int) jmm_version & 0xFF00) >> 8;
// for internal use
unsigned int micro = (unsigned int) jmm_version & 0xFF;
sprintf(buf, "%d.%d", major, minor);
version_string = (*env)->NewStringUTF(env, buf);
return version_string;
}
static void setStaticBooleanField
(JNIEnv* env, jclass cls, const char* name, jboolean value)
{
jfieldID fid;
fid = (*env)->GetStaticFieldID(env, cls, name, "Z");
if (fid != 0) {
(*env)->SetStaticBooleanField(env, cls, fid, value);
}
}
JNIEXPORT void JNICALL
Java_sun_management_VMManagementImpl_initOptionalSupportFields
(JNIEnv *env, jclass cls)
{
jmmOptionalSupport mos;
jint ret = jmm_interface->GetOptionalSupport(env, &mos);
jboolean value;
value = mos.isCompilationTimeMonitoringSupported;
setStaticBooleanField(env, cls, "compTimeMonitoringSupport", value);
value = mos.isThreadContentionMonitoringSupported;
setStaticBooleanField(env, cls, "threadContentionMonitoringSupport", value);
value = mos.isCurrentThreadCpuTimeSupported;
setStaticBooleanField(env, cls, "currentThreadCpuTimeSupport", value);
value = mos.isOtherThreadCpuTimeSupported;
setStaticBooleanField(env, cls, "otherThreadCpuTimeSupport", value);
value = mos.isBootClassPathSupported;
setStaticBooleanField(env, cls, "bootClassPathSupport", value);
if (jmm_version >= JMM_VERSION_1_1) {
value = mos.isObjectMonitorUsageSupported;
setStaticBooleanField(env, cls, "objectMonitorUsageSupport", value);
value = mos.isSynchronizerUsageSupported;
setStaticBooleanField(env, cls, "synchronizerUsageSupport", value);
} else {
setStaticBooleanField(env, cls, "objectMonitorUsageSupport", JNI_FALSE);
setStaticBooleanField(env, cls, "synchronizerUsageSupport", JNI_FALSE);
}
value = mos.isThreadAllocatedMemorySupported;
setStaticBooleanField(env, cls, "threadAllocatedMemorySupport", value);
if ((jmm_version > JMM_VERSION_1_2) ||
(jmm_version == JMM_VERSION_1_2 && ((jmm_version&0xFF) >= 1))) {
setStaticBooleanField(env, cls, "gcNotificationSupport", JNI_TRUE);
} else {
setStaticBooleanField(env, cls, "gcNotificationSupport", JNI_FALSE);
}
}
JNIEXPORT jobjectArray JNICALL
Java_sun_management_VMManagementImpl_getVmArguments0
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetInputArgumentArray(env);
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getTotalClassCount
(JNIEnv *env, jobject dummy)
{
/* JMM_CLASS_LOADED_COUNT is the total number of classes loaded */
jlong count = jmm_interface->GetLongAttribute(env, NULL,
JMM_CLASS_LOADED_COUNT);
return count;
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getUnloadedClassCount
(JNIEnv *env, jobject dummy)
{
/* JMM_CLASS_UNLOADED_COUNT is the total number of classes unloaded */
jlong count = jmm_interface->GetLongAttribute(env, NULL,
JMM_CLASS_UNLOADED_COUNT);
return count;
}
JNIEXPORT jboolean JNICALL
Java_sun_management_VMManagementImpl_getVerboseGC
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetBoolAttribute(env, JMM_VERBOSE_GC);
}
JNIEXPORT jboolean JNICALL
Java_sun_management_VMManagementImpl_getVerboseClass
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetBoolAttribute(env, JMM_VERBOSE_CLASS);
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getTotalThreadCount
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_THREAD_TOTAL_COUNT);
}
JNIEXPORT jint JNICALL
Java_sun_management_VMManagementImpl_getLiveThreadCount
(JNIEnv *env, jobject dummy)
{
jlong count = jmm_interface->GetLongAttribute(env, NULL,
JMM_THREAD_LIVE_COUNT);
return (jint) count;
}
JNIEXPORT jint JNICALL
Java_sun_management_VMManagementImpl_getPeakThreadCount
(JNIEnv *env, jobject dummy)
{
jlong count = jmm_interface->GetLongAttribute(env, NULL,
JMM_THREAD_PEAK_COUNT);
return (jint) count;
}
JNIEXPORT jint JNICALL
Java_sun_management_VMManagementImpl_getDaemonThreadCount
(JNIEnv *env, jobject dummy)
{
jlong count = jmm_interface->GetLongAttribute(env, NULL,
JMM_THREAD_DAEMON_COUNT);
return (jint) count;
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getTotalCompileTime
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_COMPILE_TOTAL_TIME_MS);
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getStartupTime
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_JVM_INIT_DONE_TIME_MS);
}
JNIEXPORT jboolean JNICALL
Java_sun_management_VMManagementImpl_isThreadContentionMonitoringEnabled
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetBoolAttribute(env,
JMM_THREAD_CONTENTION_MONITORING);
}
JNIEXPORT jboolean JNICALL
Java_sun_management_VMManagementImpl_isThreadCpuTimeEnabled
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetBoolAttribute(env, JMM_THREAD_CPU_TIME);
}
JNIEXPORT jboolean JNICALL
Java_sun_management_VMManagementImpl_isThreadAllocatedMemoryEnabled
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetBoolAttribute(env, JMM_THREAD_ALLOCATED_MEMORY);
}
JNIEXPORT jint JNICALL
Java_sun_management_VMManagementImpl_getProcessId
(JNIEnv *env, jobject dummy)
{
jlong pid = jmm_interface->GetLongAttribute(env, NULL,
JMM_OS_PROCESS_ID);
return (jint) pid;
}
JNIEXPORT jint JNICALL
Java_sun_management_VMManagementImpl_getAvailableProcessors
(JNIEnv *env, jobject dummy)
{
return JVM_ActiveProcessorCount();
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getSafepointCount
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_SAFEPOINT_COUNT);
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getTotalSafepointTime
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_TOTAL_STOPPED_TIME_MS);
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getSafepointSyncTime
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_TOTAL_SAFEPOINTSYNC_TIME_MS);
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getTotalApplicationNonStoppedTime
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_TOTAL_APP_TIME_MS);
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getLoadedClassSize
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_CLASS_LOADED_BYTES);
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getUnloadedClassSize
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_CLASS_UNLOADED_BYTES);
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getClassLoadingTime
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_TOTAL_CLASSLOAD_TIME_MS);
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getMethodDataSize
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_METHOD_DATA_SIZE_BYTES);
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getInitializedClassCount
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_CLASS_INIT_TOTAL_COUNT);
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getClassInitializationTime
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_CLASS_INIT_TOTAL_TIME_MS);
}
JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getClassVerificationTime
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_CLASS_VERIFY_TOTAL_TIME_MS);
}