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| <div class="sub-title"><span class="module-label-in-type">Module</span> <a href="../../../../module-summary.html">jdk.management</a></div> |
| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">com.ibm.lang.management</a></div> |
| <h1 title="Interface GarbageCollectorMXBean" class="title">Interface GarbageCollectorMXBean</h1> |
| </div> |
| <section class="description"> |
| <dl class="notes"> |
| <dt>All Superinterfaces:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/jdk.management/com/sun/management/GarbageCollectorMXBean.html" title="class or interface in com.sun.management" class="external-link" target="_blank">GarbageCollectorMXBean</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.management/java/lang/management/GarbageCollectorMXBean.html" title="class or interface in java.lang.management" class="external-link" target="_blank">GarbageCollectorMXBean</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.management/java/lang/management/MemoryManagerMXBean.html" title="class or interface in java.lang.management" class="external-link" target="_blank">MemoryManagerMXBean</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.management/java/lang/management/PlatformManagedObject.html" title="class or interface in java.lang.management" class="external-link" target="_blank">PlatformManagedObject</a></code></dd> |
| </dl> |
| <dl class="notes"> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="internal/ExtendedGarbageCollectorMXBeanImpl.html" title="class in com.ibm.lang.management.internal">ExtendedGarbageCollectorMXBeanImpl</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">GarbageCollectorMXBean</span><span class="extends-implements"> |
| extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/jdk.management/com/sun/management/GarbageCollectorMXBean.html" title="class or interface in com.sun.management" class="external-link" target="_blank">GarbageCollectorMXBean</a></span></div> |
| <div class="block">The OpenJ9 extension interface for managing and monitoring the virtual machine's |
| garbage collection functionality.</div> |
| <dl class="notes"> |
| <dt>Since:</dt> |
| <dd>1.5</dd> |
| </dl> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method.summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button></div> |
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| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>long</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getLastCollectionEndTime()">getLastCollectionEndTime</a></span>()</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Returns the end time <em>in milliseconds</em> of the last garbage |
| collection that was carried out by this collector.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>long</code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getLastCollectionStartTime()">getLastCollectionStartTime</a></span>()</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Returns the start time <em>in milliseconds</em> of the last garbage |
| collection that was carried out by this collector.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>long</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getMemoryUsed()">getMemoryUsed</a></span>()</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Returns the amount of heap memory used by objects that are managed |
| by the collector corresponding to this bean object.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>long</code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getTotalCompacts()">getTotalCompacts</a></span>()</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Returns the cumulative total number of compacts that was performed by |
| garbage collector corresponding to this bean object.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>long</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getTotalMemoryFreed()">getTotalMemoryFreed</a></span>()</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Returns the cumulative total amount of memory freed, in bytes, by the |
| garbage collector corresponding to this bean object.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods.inherited.from.class.com.sun.management.GarbageCollectorMXBean">Methods declared in interface com.sun.management.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/jdk.management/com/sun/management/GarbageCollectorMXBean.html" title="class or interface in com.sun.management" class="external-link" target="_blank">GarbageCollectorMXBean</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/jdk.management/com/sun/management/GarbageCollectorMXBean.html#getLastGcInfo()" title="class or interface in com.sun.management" class="external-link" target="_blank">getLastGcInfo</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods.inherited.from.class.java.lang.management.GarbageCollectorMXBean">Methods declared in interface java.lang.management.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.management/java/lang/management/GarbageCollectorMXBean.html" title="class or interface in java.lang.management" class="external-link" target="_blank">GarbageCollectorMXBean</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.management/java/lang/management/GarbageCollectorMXBean.html#getCollectionCount()" title="class or interface in java.lang.management" class="external-link" target="_blank">getCollectionCount</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.management/java/lang/management/GarbageCollectorMXBean.html#getCollectionTime()" title="class or interface in java.lang.management" class="external-link" target="_blank">getCollectionTime</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods.inherited.from.class.java.lang.management.MemoryManagerMXBean">Methods declared in interface java.lang.management.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.management/java/lang/management/MemoryManagerMXBean.html" title="class or interface in java.lang.management" class="external-link" target="_blank">MemoryManagerMXBean</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.management/java/lang/management/MemoryManagerMXBean.html#getMemoryPoolNames()" title="class or interface in java.lang.management" class="external-link" target="_blank">getMemoryPoolNames</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.management/java/lang/management/MemoryManagerMXBean.html#getName()" title="class or interface in java.lang.management" class="external-link" target="_blank">getName</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.management/java/lang/management/MemoryManagerMXBean.html#isValid()" title="class or interface in java.lang.management" class="external-link" target="_blank">isValid</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods.inherited.from.class.java.lang.management.PlatformManagedObject">Methods declared in interface java.lang.management.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.management/java/lang/management/PlatformManagedObject.html" title="class or interface in java.lang.management" class="external-link" target="_blank">PlatformManagedObject</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.management/java/lang/management/PlatformManagedObject.html#getObjectName()" title="class or interface in java.lang.management" class="external-link" target="_blank">getObjectName</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method.detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="getLastCollectionStartTime()"> |
| <h3>getLastCollectionStartTime</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name">getLastCollectionStartTime</span>()</div> |
| <div class="block">Returns the start time <em>in milliseconds</em> of the last garbage |
| collection that was carried out by this collector.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the start time of the most recent collection</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getLastCollectionEndTime()"> |
| <h3>getLastCollectionEndTime</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name">getLastCollectionEndTime</span>()</div> |
| <div class="block">Returns the end time <em>in milliseconds</em> of the last garbage |
| collection that was carried out by this collector.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the end time of the most recent collection</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getMemoryUsed()"> |
| <h3>getMemoryUsed</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name">getMemoryUsed</span>()</div> |
| <div class="block">Returns the amount of heap memory used by objects that are managed |
| by the collector corresponding to this bean object.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>memory used in bytes</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getTotalMemoryFreed()"> |
| <h3>getTotalMemoryFreed</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name">getTotalMemoryFreed</span>()</div> |
| <div class="block">Returns the cumulative total amount of memory freed, in bytes, by the |
| garbage collector corresponding to this bean object.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>memory freed in bytes</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getTotalCompacts()"> |
| <h3>getTotalCompacts</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name">getTotalCompacts</span>()</div> |
| <div class="block">Returns the cumulative total number of compacts that was performed by |
| garbage collector corresponding to this bean object.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>number of compacts performed</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
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