diff options
Diffstat (limited to 'core/java/android')
| -rw-r--r-- | core/java/android/os/Debug.java | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/core/java/android/os/Debug.java b/core/java/android/os/Debug.java index 19c8fa9..87e8c5e 100644 --- a/core/java/android/os/Debug.java +++ b/core/java/android/os/Debug.java @@ -34,6 +34,7 @@ import java.lang.annotation.Target; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; +import java.util.HashMap; import java.util.Map; import org.apache.harmony.dalvik.ddmc.Chunk; @@ -389,6 +390,132 @@ public final class Debug } } + /** + * Returns the value of a particular memory statistic or {@code null} if no + * such memory statistic exists. + * + * <p>The following table lists the memory statistics that are supported. + * Note that memory statistics may be added or removed in a future API level.</p> + * + * <table> + * <thead> + * <tr> + * <th>Memory statistic name</th> + * <th>Meaning</th> + * <th>Example</th> + * <th>Supported (API Levels)</th> + * </tr> + * </thead> + * <tbody> + * <tr> + * <td>summary.java-heap</td> + * <td>The private Java Heap usage in kB. This corresponds to the Java Heap field + * in the App Summary section output by dumpsys meminfo.</td> + * <td>{@code 1442}</td> + * <td>23</td> + * </tr> + * <tr> + * <td>summary.native-heap</td> + * <td>The private Native Heap usage in kB. This corresponds to the Native Heap + * field in the App Summary section output by dumpsys meminfo.</td> + * <td>{@code 1442}</td> + * <td>23</td> + * </tr> + * <tr> + * <td>summary.code</td> + * <td>The memory usage for static code and resources in kB. This corresponds to + * the Code field in the App Summary section output by dumpsys meminfo.</td> + * <td>{@code 1442}</td> + * <td>23</td> + * </tr> + * <tr> + * <td>summary.stack</td> + * <td>The stack usage in kB. This corresponds to the Stack field in the + * App Summary section output by dumpsys meminfo.</td> + * <td>{@code 1442}</td> + * <td>23</td> + * </tr> + * <tr> + * <td>summary.graphics</td> + * <td>The graphics usage in kB. This corresponds to the Graphics field in the + * App Summary section output by dumpsys meminfo.</td> + * <td>{@code 1442}</td> + * <td>23</td> + * </tr> + * <tr> + * <td>summary.private-other</td> + * <td>Other private memory usage in kB. This corresponds to the Private Other + * field output in the App Summary section by dumpsys meminfo.</td> + * <td>{@code 1442}</td> + * <td>23</td> + * </tr> + * <tr> + * <td>summary.system</td> + * <td>Shared and system memory usage in kB. This corresponds to the System + * field output in the App Summary section by dumpsys meminfo.</td> + * <td>{@code 1442}</td> + * <td>23</td> + * </tr> + * <tr> + * <td>summary.total-pss</td> + * <td>Total PPS memory usage in kB.</td> + * <td>{@code 1442}</td> + * <td>23</td> + * </tr> + * <tr> + * <td>summary.total-swap</td> + * <td>Total swap usage in kB.</td> + * <td>{@code 1442}</td> + * <td>23</td> + * </tr> + * </tbody> + * </table> + */ + public String getMemoryStat(String statName) { + switch(statName) { + case "summary.java-heap": + return Integer.toString(getSummaryJavaHeap()); + case "summary.native-heap": + return Integer.toString(getSummaryNativeHeap()); + case "summary.code": + return Integer.toString(getSummaryCode()); + case "summary.stack": + return Integer.toString(getSummaryStack()); + case "summary.graphics": + return Integer.toString(getSummaryGraphics()); + case "summary.private-other": + return Integer.toString(getSummaryPrivateOther()); + case "summary.system": + return Integer.toString(getSummarySystem()); + case "summary.total-pss": + return Integer.toString(getSummaryTotalPss()); + case "summary.total-swap": + return Integer.toString(getSummaryTotalSwap()); + default: + return null; + } + } + + /** + * Returns a map of the names/values of the memory statistics + * that {@link #getMemoryStat(String)} supports. + * + * @return a map of the names/values of the supported memory statistics. + */ + public Map<String, String> getMemoryStats() { + Map<String, String> stats = new HashMap<String, String>(); + stats.put("summary.java-heap", Integer.toString(getSummaryJavaHeap())); + stats.put("summary.native-heap", Integer.toString(getSummaryNativeHeap())); + stats.put("summary.code", Integer.toString(getSummaryCode())); + stats.put("summary.stack", Integer.toString(getSummaryStack())); + stats.put("summary.graphics", Integer.toString(getSummaryGraphics())); + stats.put("summary.private-other", Integer.toString(getSummaryPrivateOther())); + stats.put("summary.system", Integer.toString(getSummarySystem())); + stats.put("summary.total-pss", Integer.toString(getSummaryTotalPss())); + stats.put("summary.total-swap", Integer.toString(getSummaryTotalSwap())); + return stats; + } + /** * Pss of Java Heap bytes in KB due to the application. * Notes: |