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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-18 22:20:26 -0700 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-18 22:20:26 -0700 |
commit | 7b0b1ed979aa665175bf3952c8902ce13c763ab8 (patch) | |
tree | 8e2e55aab35489506403dfe0f701317bc20d599e /core/java/android/ddm/DdmHandleHeap.java | |
parent | 105925376f8d0f6b318c9938c7b83ef7fef094da (diff) | |
download | frameworks_base-7b0b1ed979aa665175bf3952c8902ce13c763ab8.zip frameworks_base-7b0b1ed979aa665175bf3952c8902ce13c763ab8.tar.gz frameworks_base-7b0b1ed979aa665175bf3952c8902ce13c763ab8.tar.bz2 |
auto import //branches/master/...@140412
Diffstat (limited to 'core/java/android/ddm/DdmHandleHeap.java')
-rw-r--r-- | core/java/android/ddm/DdmHandleHeap.java | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/core/java/android/ddm/DdmHandleHeap.java b/core/java/android/ddm/DdmHandleHeap.java index 54457c2..95fa0a2 100644 --- a/core/java/android/ddm/DdmHandleHeap.java +++ b/core/java/android/ddm/DdmHandleHeap.java @@ -20,17 +20,20 @@ import org.apache.harmony.dalvik.ddmc.Chunk; import org.apache.harmony.dalvik.ddmc.ChunkHandler; import org.apache.harmony.dalvik.ddmc.DdmServer; import org.apache.harmony.dalvik.ddmc.DdmVmInternal; +import android.os.Debug; import android.util.Config; import android.util.Log; +import java.io.IOException; import java.nio.ByteBuffer; /** - * Handle thread-related traffic. + * Handle native and virtual heap requests. */ public class DdmHandleHeap extends ChunkHandler { public static final int CHUNK_HPIF = type("HPIF"); public static final int CHUNK_HPSG = type("HPSG"); + public static final int CHUNK_HPDU = type("HPDU"); public static final int CHUNK_NHSG = type("NHSG"); public static final int CHUNK_HPGC = type("HPGC"); public static final int CHUNK_REAE = type("REAE"); @@ -49,6 +52,7 @@ public class DdmHandleHeap extends ChunkHandler { public static void register() { DdmServer.registerHandler(CHUNK_HPIF, mInstance); DdmServer.registerHandler(CHUNK_HPSG, mInstance); + DdmServer.registerHandler(CHUNK_HPDU, mInstance); DdmServer.registerHandler(CHUNK_NHSG, mInstance); DdmServer.registerHandler(CHUNK_HPGC, mInstance); DdmServer.registerHandler(CHUNK_REAE, mInstance); @@ -80,6 +84,8 @@ public class DdmHandleHeap extends ChunkHandler { return handleHPIF(request); } else if (type == CHUNK_HPSG) { return handleHPSGNHSG(request, false); + } else if (type == CHUNK_HPDU) { + return handleHPDU(request); } else if (type == CHUNK_NHSG) { return handleHPSGNHSG(request, true); } else if (type == CHUNK_HPGC) { @@ -97,7 +103,7 @@ public class DdmHandleHeap extends ChunkHandler { } /* - * Handle a "HeaP InFo request". + * Handle a "HeaP InFo" request. */ private Chunk handleHPIF(Chunk request) { ByteBuffer in = wrapChunk(request); @@ -137,6 +143,40 @@ public class DdmHandleHeap extends ChunkHandler { } /* + * Handle a "HeaP DUmp" request. + * + * This currently just returns a result code. We could pull up + * the entire contents of the file and return them, but hprof dump + * files can be a few megabytes. + */ + private Chunk handleHPDU(Chunk request) { + ByteBuffer in = wrapChunk(request); + byte result; + + /* get the filename for the output file */ + int len = in.getInt(); + String fileName = getString(in, len); + if (Config.LOGD) + Log.d("ddm-heap", "Heap dump: file='" + fileName + "'"); + + try { + Debug.dumpHprofData(fileName); + result = 0; + } catch (UnsupportedOperationException uoe) { + Log.w("ddm-heap", "hprof dumps not supported in this VM"); + result = -1; + } catch (IOException ioe) { + result = -1; + } catch (RuntimeException ioe) { + result = -1; + } + + /* create a non-empty reply so the handler fires on completion */ + byte[] reply = { result }; + return new Chunk(CHUNK_HPDU, reply, 0, reply.length); + } + + /* * Handle a "HeaP Garbage Collection" request. */ private Chunk handleHPGC(Chunk request) { |