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Diffstat (limited to 'docs/html/tools/studio/index.jd')
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diff --git a/docs/html/tools/studio/index.jd b/docs/html/tools/studio/index.jd index 5041b83..ee69d85 100644 --- a/docs/html/tools/studio/index.jd +++ b/docs/html/tools/studio/index.jd @@ -206,6 +206,25 @@ runtime window to launch the Android runtime window. Click the <strong>Memory</s <img src="{@docRoot}images/tools/studio-memory-monitor.png" srcset="{@docRoot}images/tools/studio-memory-monitor_2x.png 2x" width"635" height="171" alt="" /> <p class="img-caption"><strong>Figure 4.</strong> Monitor memory and CPU usage.</p> +<h4 id="heap-dump">Heap dump </h4> +<p>When you're monitoring memory usage in Android Studio you can, at the same time, initiate +garbage collection and dump the Java heap to a heap snapshot in an Android-specific HPROF binary +format file. The HPROF viewer displays classes, instances of each class, and a reference tree to +help you track memory usage and find memory leaks. </p> + +<img src="{@docRoot}images/tools/studio-hprof-viewer.png" alt="" /> + <p class="img-caption"><strong>Figure 5.</strong> HPROF viewer with heap dump.</p> + +<p>To create a snapshot of the Android app heap memory, click the +Dump Java Heap icon (<img src="{@docRoot}images/tools/studio-dump-heap-icon.png" style="vertical-align:bottom;margin:0;height:17px"/>) +in the Memory Monitor. Android Studio creates the heap snapshot file with the filename +<code>Snapshot-yyyy.mm.dd-hh.mm.ss.hprof</code> +in the <em>Captures</em> tab. Double-click the heap snapshot file to open the HPROF viewer.</p> + +<p>To convert a heap dump to standard HPROF format in Android Studio, right-click a heap +snapshot in the <em>Captures</em> view and select <strong>Export to standard .hprof</strong>. </p> + + <h3>Data file access</h3> <p>The Android SDK tools, such as <a href="{@docRoot}tools/help/systrace.html">Systrace</a>, |