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| <h2 title="Interface TraceFileHeader" class="title">Interface TraceFileHeader</h2> |
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| <pre>public interface <span class="typeNameLabel">TraceFileHeader</span></pre> |
| <div class="block">A class to format and report a binary TraceFileHeader produced by the IBM JVM's trace |
| engine.</div> |
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| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFirstTracePointMillis()">getFirstTracePointMillis</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getJVMStartedMillis()">getJVMStartedMillis</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLastBufferWriteMillis()">getLastBufferWriteMillis</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLastTracePointMillis()">getLastTracePointMillis</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a>[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSysProcessorInfo()">getSysProcessorInfo</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a>[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTraceParameters()">getTraceParameters</a></span>()</code></th> |
| <td class="colLast"> </td> |
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| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a>[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getVMStartUpParameters()">getVMStartUpParameters</a></span>()</code></th> |
| <td class="colLast"> </td> |
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| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getVMVersion()">getVMVersion</a></span>()</code></th> |
| <td class="colLast"> </td> |
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| <h4>getVMVersion</h4> |
| <pre class="methodSignature"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a> getVMVersion()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a String representation of the JVM that produced the current TraceFile, null |
| if no valid data.</dd> |
| </dl> |
| </li> |
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| <a id="getVMStartUpParameters()"> |
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| <h4>getVMStartUpParameters</h4> |
| <pre class="methodSignature"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a>[] getVMStartUpParameters()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a String array representation of the startup parameters that were used to start |
| the JVM that produced the current TraceFile, null if no valid data.</dd> |
| </dl> |
| </li> |
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| <h4>getTraceParameters</h4> |
| <pre class="methodSignature"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a>[] getTraceParameters()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a String array representation of the Trace startup parameters that were used to start |
| the JVM that produced the current TraceFile, null if no valid data.</dd> |
| </dl> |
| </li> |
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| <h4>getSysProcessorInfo</h4> |
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| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a String array representation of the system on which the JVM that produced |
| the current TraceFile was run, null if no valid data.</dd> |
| </dl> |
| </li> |
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| <h4>getJVMStartedMillis</h4> |
| <pre class="methodSignature">long getJVMStartedMillis()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the millisecond time at which the JVM that produced the current TraceFile was |
| started. Returns -1 if no valid data.</dd> |
| </dl> |
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| <pre class="methodSignature">long getLastBufferWriteMillis()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the millisecond time at which the JVM that produced the current TraceFile wrote |
| its most recent TracePoint before the production of the current TraceFile. Returns -1 if |
| no valid data.</dd> |
| </dl> |
| </li> |
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| <pre class="methodSignature">long getFirstTracePointMillis()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the millisecond time of the first TracePoint in the current TraceFile. This may |
| not be the first TracePoint that the JVM produced. Returns -1 if no valid data.</dd> |
| </dl> |
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| <pre class="methodSignature">long getLastTracePointMillis()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the millisecond time of the last TracePoint in the current TraceFile. This may |
| not be the last TracePoint that the JVM produced. Returns -1 if no valid data.</dd> |
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