| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.os; |
| |
| import com.android.internal.util.FastPrintWriter; |
| import com.android.internal.util.TypedProperties; |
| |
| import android.app.AppGlobals; |
| import android.content.Context; |
| import android.util.Log; |
| |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.io.Reader; |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Modifier; |
| 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; |
| import org.apache.harmony.dalvik.ddmc.ChunkHandler; |
| import org.apache.harmony.dalvik.ddmc.DdmServer; |
| |
| import dalvik.bytecode.OpcodeInfo; |
| import dalvik.system.VMDebug; |
| |
| |
| /** |
| * Provides various debugging methods for Android applications, including |
| * tracing and allocation counts. |
| * <p><strong>Logging Trace Files</strong></p> |
| * <p>Debug can create log files that give details about an application, such as |
| * a call stack and start/stop times for any running methods. See <a |
| href="{@docRoot}guide/developing/tools/traceview.html">Traceview: A Graphical Log Viewer</a> for |
| * information about reading trace files. To start logging trace files, call one |
| * of the startMethodTracing() methods. To stop tracing, call |
| * {@link #stopMethodTracing()}. |
| */ |
| public final class Debug |
| { |
| private static final String TAG = "Debug"; |
| |
| /** |
| * Flags for startMethodTracing(). These can be ORed together. |
| * |
| * TRACE_COUNT_ALLOCS adds the results from startAllocCounting to the |
| * trace key file. |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static final int TRACE_COUNT_ALLOCS = VMDebug.TRACE_COUNT_ALLOCS; |
| |
| /** |
| * Flags for printLoadedClasses(). Default behavior is to only show |
| * the class name. |
| */ |
| public static final int SHOW_FULL_DETAIL = 1; |
| public static final int SHOW_CLASSLOADER = (1 << 1); |
| public static final int SHOW_INITIALIZED = (1 << 2); |
| |
| // set/cleared by waitForDebugger() |
| private static volatile boolean mWaiting = false; |
| |
| private Debug() {} |
| |
| /* |
| * How long to wait for the debugger to finish sending requests. I've |
| * seen this hit 800msec on the device while waiting for a response |
| * to travel over USB and get processed, so we take that and add |
| * half a second. |
| */ |
| private static final int MIN_DEBUGGER_IDLE = 1300; // msec |
| |
| /* how long to sleep when polling for activity */ |
| private static final int SPIN_DELAY = 200; // msec |
| |
| /** |
| * Default trace file path and file |
| */ |
| private static final String DEFAULT_TRACE_BODY = "dmtrace"; |
| private static final String DEFAULT_TRACE_EXTENSION = ".trace"; |
| |
| /** |
| * This class is used to retrieved various statistics about the memory mappings for this |
| * process. The returned info is broken down by dalvik, native, and other. All results are in kB. |
| */ |
| public static class MemoryInfo implements Parcelable { |
| /** The proportional set size for dalvik heap. (Doesn't include other Dalvik overhead.) */ |
| public int dalvikPss; |
| /** The proportional set size that is swappable for dalvik heap. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int dalvikSwappablePss; |
| /** The private dirty pages used by dalvik heap. */ |
| public int dalvikPrivateDirty; |
| /** The shared dirty pages used by dalvik heap. */ |
| public int dalvikSharedDirty; |
| /** The private clean pages used by dalvik heap. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int dalvikPrivateClean; |
| /** The shared clean pages used by dalvik heap. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int dalvikSharedClean; |
| /** The dirty dalvik pages that have been swapped out. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int dalvikSwappedOut; |
| /** The dirty dalvik pages that have been swapped out, proportional. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int dalvikSwappedOutPss; |
| |
| /** The proportional set size for the native heap. */ |
| public int nativePss; |
| /** The proportional set size that is swappable for the native heap. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int nativeSwappablePss; |
| /** The private dirty pages used by the native heap. */ |
| public int nativePrivateDirty; |
| /** The shared dirty pages used by the native heap. */ |
| public int nativeSharedDirty; |
| /** The private clean pages used by the native heap. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int nativePrivateClean; |
| /** The shared clean pages used by the native heap. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int nativeSharedClean; |
| /** The dirty native pages that have been swapped out. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int nativeSwappedOut; |
| /** The dirty native pages that have been swapped out, proportional. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int nativeSwappedOutPss; |
| |
| /** The proportional set size for everything else. */ |
| public int otherPss; |
| /** The proportional set size that is swappable for everything else. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int otherSwappablePss; |
| /** The private dirty pages used by everything else. */ |
| public int otherPrivateDirty; |
| /** The shared dirty pages used by everything else. */ |
| public int otherSharedDirty; |
| /** The private clean pages used by everything else. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int otherPrivateClean; |
| /** The shared clean pages used by everything else. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int otherSharedClean; |
| /** The dirty pages used by anyting else that have been swapped out. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int otherSwappedOut; |
| /** The dirty pages used by anyting else that have been swapped out, proportional. */ |
| /** @hide We may want to expose this, eventually. */ |
| public int otherSwappedOutPss; |
| |
| /** Whether the kernel reports proportional swap usage */ |
| /** @hide */ |
| public boolean hasSwappedOutPss; |
| |
| /** @hide */ |
| public static final int HEAP_UNKNOWN = 0; |
| /** @hide */ |
| public static final int HEAP_DALVIK = 1; |
| /** @hide */ |
| public static final int HEAP_NATIVE = 2; |
| |
| /** @hide */ |
| public static final int OTHER_DALVIK_OTHER = 0; |
| /** @hide */ |
| public static final int OTHER_STACK = 1; |
| /** @hide */ |
| public static final int OTHER_CURSOR = 2; |
| /** @hide */ |
| public static final int OTHER_ASHMEM = 3; |
| /** @hide */ |
| public static final int OTHER_GL_DEV = 4; |
| /** @hide */ |
| public static final int OTHER_UNKNOWN_DEV = 5; |
| /** @hide */ |
| public static final int OTHER_SO = 6; |
| /** @hide */ |
| public static final int OTHER_JAR = 7; |
| /** @hide */ |
| public static final int OTHER_APK = 8; |
| /** @hide */ |
| public static final int OTHER_TTF = 9; |
| /** @hide */ |
| public static final int OTHER_DEX = 10; |
| /** @hide */ |
| public static final int OTHER_OAT = 11; |
| /** @hide */ |
| public static final int OTHER_ART = 12; |
| /** @hide */ |
| public static final int OTHER_UNKNOWN_MAP = 13; |
| /** @hide */ |
| public static final int OTHER_GRAPHICS = 14; |
| /** @hide */ |
| public static final int OTHER_GL = 15; |
| /** @hide */ |
| public static final int OTHER_OTHER_MEMTRACK = 16; |
| |
| /** @hide */ |
| public static final int OTHER_DALVIK_NORMAL = 17; |
| /** @hide */ |
| public static final int OTHER_DALVIK_LARGE = 18; |
| /** @hide */ |
| public static final int OTHER_DALVIK_LINEARALLOC = 19; |
| /** @hide */ |
| public static final int OTHER_DALVIK_ACCOUNTING = 20; |
| /** @hide */ |
| public static final int OTHER_DALVIK_CODE_CACHE = 21; |
| /** @hide */ |
| public static final int OTHER_DALVIK_ZYGOTE = 22; |
| /** @hide */ |
| public static final int OTHER_DALVIK_NON_MOVING = 23; |
| /** @hide */ |
| public static final int OTHER_DALVIK_INDIRECT_REFERENCE_TABLE = 24; |
| |
| /** @hide */ |
| public static final int NUM_OTHER_STATS = 17; |
| |
| /** @hide */ |
| public static final int NUM_DVK_STATS = 8; |
| |
| /** @hide */ |
| public static final int NUM_CATEGORIES = 8; |
| |
| /** @hide */ |
| public static final int offsetPss = 0; |
| /** @hide */ |
| public static final int offsetSwappablePss = 1; |
| /** @hide */ |
| public static final int offsetPrivateDirty = 2; |
| /** @hide */ |
| public static final int offsetSharedDirty = 3; |
| /** @hide */ |
| public static final int offsetPrivateClean = 4; |
| /** @hide */ |
| public static final int offsetSharedClean = 5; |
| /** @hide */ |
| public static final int offsetSwappedOut = 6; |
| /** @hide */ |
| public static final int offsetSwappedOutPss = 7; |
| |
| private int[] otherStats = new int[(NUM_OTHER_STATS+NUM_DVK_STATS)*NUM_CATEGORIES]; |
| |
| public MemoryInfo() { |
| } |
| |
| /** |
| * Return total PSS memory usage in kB. |
| */ |
| public int getTotalPss() { |
| return dalvikPss + nativePss + otherPss + getTotalSwappedOutPss(); |
| } |
| |
| /** |
| * @hide Return total PSS memory usage in kB. |
| */ |
| public int getTotalUss() { |
| return dalvikPrivateClean + dalvikPrivateDirty |
| + nativePrivateClean + nativePrivateDirty |
| + otherPrivateClean + otherPrivateDirty; |
| } |
| |
| /** |
| * Return total PSS memory usage in kB mapping a file of one of the following extension: |
| * .so, .jar, .apk, .ttf, .dex, .odex, .oat, .art . |
| */ |
| public int getTotalSwappablePss() { |
| return dalvikSwappablePss + nativeSwappablePss + otherSwappablePss; |
| } |
| |
| /** |
| * Return total private dirty memory usage in kB. |
| */ |
| public int getTotalPrivateDirty() { |
| return dalvikPrivateDirty + nativePrivateDirty + otherPrivateDirty; |
| } |
| |
| /** |
| * Return total shared dirty memory usage in kB. |
| */ |
| public int getTotalSharedDirty() { |
| return dalvikSharedDirty + nativeSharedDirty + otherSharedDirty; |
| } |
| |
| /** |
| * Return total shared clean memory usage in kB. |
| */ |
| public int getTotalPrivateClean() { |
| return dalvikPrivateClean + nativePrivateClean + otherPrivateClean; |
| } |
| |
| /** |
| * Return total shared clean memory usage in kB. |
| */ |
| public int getTotalSharedClean() { |
| return dalvikSharedClean + nativeSharedClean + otherSharedClean; |
| } |
| |
| /** |
| * Return total swapped out memory in kB. |
| * @hide |
| */ |
| public int getTotalSwappedOut() { |
| return dalvikSwappedOut + nativeSwappedOut + otherSwappedOut; |
| } |
| |
| /** |
| * Return total swapped out memory in kB, proportional. |
| * @hide |
| */ |
| public int getTotalSwappedOutPss() { |
| return dalvikSwappedOutPss + nativeSwappedOutPss + otherSwappedOutPss; |
| } |
| |
| /** @hide */ |
| public int getOtherPss(int which) { |
| return otherStats[which*NUM_CATEGORIES + offsetPss]; |
| } |
| |
| |
| /** @hide */ |
| public int getOtherSwappablePss(int which) { |
| return otherStats[which*NUM_CATEGORIES + offsetSwappablePss]; |
| } |
| |
| |
| /** @hide */ |
| public int getOtherPrivateDirty(int which) { |
| return otherStats[which*NUM_CATEGORIES + offsetPrivateDirty]; |
| } |
| |
| /** @hide */ |
| public int getOtherSharedDirty(int which) { |
| return otherStats[which*NUM_CATEGORIES + offsetSharedDirty]; |
| } |
| |
| /** @hide */ |
| public int getOtherPrivateClean(int which) { |
| return otherStats[which*NUM_CATEGORIES + offsetPrivateClean]; |
| } |
| |
| /** @hide */ |
| public int getOtherPrivate(int which) { |
| return getOtherPrivateClean(which) + getOtherPrivateDirty(which); |
| } |
| |
| /** @hide */ |
| public int getOtherSharedClean(int which) { |
| return otherStats[which*NUM_CATEGORIES + offsetSharedClean]; |
| } |
| |
| /** @hide */ |
| public int getOtherSwappedOut(int which) { |
| return otherStats[which*NUM_CATEGORIES + offsetSwappedOut]; |
| } |
| |
| /** @hide */ |
| public int getOtherSwappedOutPss(int which) { |
| return otherStats[which*NUM_CATEGORIES + offsetSwappedOutPss]; |
| } |
| |
| /** @hide */ |
| public static String getOtherLabel(int which) { |
| switch (which) { |
| case OTHER_DALVIK_OTHER: return "Dalvik Other"; |
| case OTHER_STACK: return "Stack"; |
| case OTHER_CURSOR: return "Cursor"; |
| case OTHER_ASHMEM: return "Ashmem"; |
| case OTHER_GL_DEV: return "Gfx dev"; |
| case OTHER_UNKNOWN_DEV: return "Other dev"; |
| case OTHER_SO: return ".so mmap"; |
| case OTHER_JAR: return ".jar mmap"; |
| case OTHER_APK: return ".apk mmap"; |
| case OTHER_TTF: return ".ttf mmap"; |
| case OTHER_DEX: return ".dex mmap"; |
| case OTHER_OAT: return ".oat mmap"; |
| case OTHER_ART: return ".art mmap"; |
| case OTHER_UNKNOWN_MAP: return "Other mmap"; |
| case OTHER_GRAPHICS: return "EGL mtrack"; |
| case OTHER_GL: return "GL mtrack"; |
| case OTHER_OTHER_MEMTRACK: return "Other mtrack"; |
| case OTHER_DALVIK_NORMAL: return ".Heap"; |
| case OTHER_DALVIK_LARGE: return ".LOS"; |
| case OTHER_DALVIK_LINEARALLOC: return ".LinearAlloc"; |
| case OTHER_DALVIK_ACCOUNTING: return ".GC"; |
| case OTHER_DALVIK_CODE_CACHE: return ".JITCache"; |
| case OTHER_DALVIK_ZYGOTE: return ".Zygote"; |
| case OTHER_DALVIK_NON_MOVING: return ".NonMoving"; |
| case OTHER_DALVIK_INDIRECT_REFERENCE_TABLE: return ".IndirectRef"; |
| default: return "????"; |
| } |
| } |
| |
| /** |
| * 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: |
| * * OTHER_ART is the boot image. Anything private here is blamed on |
| * the application, not the system. |
| * * dalvikPrivateDirty includes private zygote, which means the |
| * application dirtied something allocated by the zygote. We blame |
| * the application for that memory, not the system. |
| * * Does not include OTHER_DALVIK_OTHER, which is considered VM |
| * Overhead and lumped into Private Other. |
| * * We don't include dalvikPrivateClean, because there should be no |
| * such thing as private clean for the Java Heap. |
| * @hide |
| */ |
| public int getSummaryJavaHeap() { |
| return dalvikPrivateDirty + getOtherPrivate(OTHER_ART); |
| } |
| |
| /** |
| * Pss of Native Heap bytes in KB due to the application. |
| * Notes: |
| * * Includes private dirty malloc space. |
| * * We don't include nativePrivateClean, because there should be no |
| * such thing as private clean for the Native Heap. |
| * @hide |
| */ |
| public int getSummaryNativeHeap() { |
| return nativePrivateDirty; |
| } |
| |
| /** |
| * Pss of code and other static resource bytes in KB due to |
| * the application. |
| * @hide |
| */ |
| public int getSummaryCode() { |
| return getOtherPrivate(OTHER_SO) |
| + getOtherPrivate(OTHER_JAR) |
| + getOtherPrivate(OTHER_APK) |
| + getOtherPrivate(OTHER_TTF) |
| + getOtherPrivate(OTHER_DEX) |
| + getOtherPrivate(OTHER_OAT); |
| } |
| |
| /** |
| * Pss in KB of the stack due to the application. |
| * Notes: |
| * * Includes private dirty stack, which includes both Java and Native |
| * stack. |
| * * Does not include private clean stack, because there should be no |
| * such thing as private clean for the stack. |
| * @hide |
| */ |
| public int getSummaryStack() { |
| return getOtherPrivateDirty(OTHER_STACK); |
| } |
| |
| /** |
| * Pss in KB of graphics due to the application. |
| * Notes: |
| * * Includes private Gfx, EGL, and GL. |
| * * Warning: These numbers can be misreported by the graphics drivers. |
| * * We don't include shared graphics. It may make sense to, because |
| * shared graphics are likely buffers due to the application |
| * anyway, but it's simpler to implement to just group all shared |
| * memory into the System category. |
| * @hide |
| */ |
| public int getSummaryGraphics() { |
| return getOtherPrivate(OTHER_GL_DEV) |
| + getOtherPrivate(OTHER_GRAPHICS) |
| + getOtherPrivate(OTHER_GL); |
| } |
| |
| /** |
| * Pss in KB due to the application that haven't otherwise been |
| * accounted for. |
| * @hide |
| */ |
| public int getSummaryPrivateOther() { |
| return getTotalPrivateClean() |
| + getTotalPrivateDirty() |
| - getSummaryJavaHeap() |
| - getSummaryNativeHeap() |
| - getSummaryCode() |
| - getSummaryStack() |
| - getSummaryGraphics(); |
| } |
| |
| /** |
| * Pss in KB due to the system. |
| * Notes: |
| * * Includes all shared memory. |
| * @hide |
| */ |
| public int getSummarySystem() { |
| return getTotalPss() |
| - getTotalPrivateClean() |
| - getTotalPrivateDirty(); |
| } |
| |
| /** |
| * Total Pss in KB. |
| * @hide |
| */ |
| public int getSummaryTotalPss() { |
| return getTotalPss(); |
| } |
| |
| /** |
| * Total Swap in KB. |
| * Notes: |
| * * Some of this memory belongs in other categories, but we don't |
| * know if the Swap memory is shared or private, so we don't know |
| * what to blame on the application and what on the system. |
| * For now, just lump all the Swap in one place. |
| * For kernels reporting SwapPss {@link #getSummaryTotalSwapPss()} |
| * will report the application proportional Swap. |
| * @hide |
| */ |
| public int getSummaryTotalSwap() { |
| return getTotalSwappedOut(); |
| } |
| |
| /** |
| * Total proportional Swap in KB. |
| * Notes: |
| * * Always 0 if {@link #hasSwappedOutPss} is false. |
| * @hide |
| */ |
| public int getSummaryTotalSwapPss() { |
| return getTotalSwappedOutPss(); |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(dalvikPss); |
| dest.writeInt(dalvikSwappablePss); |
| dest.writeInt(dalvikPrivateDirty); |
| dest.writeInt(dalvikSharedDirty); |
| dest.writeInt(dalvikPrivateClean); |
| dest.writeInt(dalvikSharedClean); |
| dest.writeInt(dalvikSwappedOut); |
| dest.writeInt(nativePss); |
| dest.writeInt(nativeSwappablePss); |
| dest.writeInt(nativePrivateDirty); |
| dest.writeInt(nativeSharedDirty); |
| dest.writeInt(nativePrivateClean); |
| dest.writeInt(nativeSharedClean); |
| dest.writeInt(nativeSwappedOut); |
| dest.writeInt(otherPss); |
| dest.writeInt(otherSwappablePss); |
| dest.writeInt(otherPrivateDirty); |
| dest.writeInt(otherSharedDirty); |
| dest.writeInt(otherPrivateClean); |
| dest.writeInt(otherSharedClean); |
| dest.writeInt(otherSwappedOut); |
| dest.writeInt(hasSwappedOutPss ? 1 : 0); |
| dest.writeInt(otherSwappedOutPss); |
| dest.writeIntArray(otherStats); |
| } |
| |
| public void readFromParcel(Parcel source) { |
| dalvikPss = source.readInt(); |
| dalvikSwappablePss = source.readInt(); |
| dalvikPrivateDirty = source.readInt(); |
| dalvikSharedDirty = source.readInt(); |
| dalvikPrivateClean = source.readInt(); |
| dalvikSharedClean = source.readInt(); |
| dalvikSwappedOut = source.readInt(); |
| nativePss = source.readInt(); |
| nativeSwappablePss = source.readInt(); |
| nativePrivateDirty = source.readInt(); |
| nativeSharedDirty = source.readInt(); |
| nativePrivateClean = source.readInt(); |
| nativeSharedClean = source.readInt(); |
| nativeSwappedOut = source.readInt(); |
| otherPss = source.readInt(); |
| otherSwappablePss = source.readInt(); |
| otherPrivateDirty = source.readInt(); |
| otherSharedDirty = source.readInt(); |
| otherPrivateClean = source.readInt(); |
| otherSharedClean = source.readInt(); |
| otherSwappedOut = source.readInt(); |
| hasSwappedOutPss = source.readInt() != 0; |
| otherSwappedOutPss = source.readInt(); |
| otherStats = source.createIntArray(); |
| } |
| |
| public static final Creator<MemoryInfo> CREATOR = new Creator<MemoryInfo>() { |
| public MemoryInfo createFromParcel(Parcel source) { |
| return new MemoryInfo(source); |
| } |
| public MemoryInfo[] newArray(int size) { |
| return new MemoryInfo[size]; |
| } |
| }; |
| |
| private MemoryInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| } |
| |
| |
| /** |
| * Wait until a debugger attaches. As soon as the debugger attaches, |
| * this returns, so you will need to place a breakpoint after the |
| * waitForDebugger() call if you want to start tracing immediately. |
| */ |
| public static void waitForDebugger() { |
| if (!VMDebug.isDebuggingEnabled()) { |
| //System.out.println("debugging not enabled, not waiting"); |
| return; |
| } |
| if (isDebuggerConnected()) |
| return; |
| |
| // if DDMS is listening, inform them of our plight |
| System.out.println("Sending WAIT chunk"); |
| byte[] data = new byte[] { 0 }; // 0 == "waiting for debugger" |
| Chunk waitChunk = new Chunk(ChunkHandler.type("WAIT"), data, 0, 1); |
| DdmServer.sendChunk(waitChunk); |
| |
| mWaiting = true; |
| while (!isDebuggerConnected()) { |
| try { Thread.sleep(SPIN_DELAY); } |
| catch (InterruptedException ie) {} |
| } |
| mWaiting = false; |
| |
| System.out.println("Debugger has connected"); |
| |
| /* |
| * There is no "ready to go" signal from the debugger, and we're |
| * not allowed to suspend ourselves -- the debugger expects us to |
| * be running happily, and gets confused if we aren't. We need to |
| * allow the debugger a chance to set breakpoints before we start |
| * running again. |
| * |
| * Sit and spin until the debugger has been idle for a short while. |
| */ |
| while (true) { |
| long delta = VMDebug.lastDebuggerActivity(); |
| if (delta < 0) { |
| System.out.println("debugger detached?"); |
| break; |
| } |
| |
| if (delta < MIN_DEBUGGER_IDLE) { |
| System.out.println("waiting for debugger to settle..."); |
| try { Thread.sleep(SPIN_DELAY); } |
| catch (InterruptedException ie) {} |
| } else { |
| System.out.println("debugger has settled (" + delta + ")"); |
| break; |
| } |
| } |
| } |
| |
| /** |
| * Returns "true" if one or more threads is waiting for a debugger |
| * to attach. |
| */ |
| public static boolean waitingForDebugger() { |
| return mWaiting; |
| } |
| |
| /** |
| * Determine if a debugger is currently attached. |
| */ |
| public static boolean isDebuggerConnected() { |
| return VMDebug.isDebuggerConnected(); |
| } |
| |
| /** |
| * Returns an array of strings that identify VM features. This is |
| * used by DDMS to determine what sorts of operations the VM can |
| * perform. |
| * |
| * @hide |
| */ |
| public static String[] getVmFeatureList() { |
| return VMDebug.getVmFeatureList(); |
| } |
| |
| /** |
| * Change the JDWP port. |
| * |
| * @deprecated no longer needed or useful |
| */ |
| @Deprecated |
| public static void changeDebugPort(int port) {} |
| |
| /** |
| * This is the pathname to the sysfs file that enables and disables |
| * tracing on the qemu emulator. |
| */ |
| private static final String SYSFS_QEMU_TRACE_STATE = "/sys/qemu_trace/state"; |
| |
| /** |
| * Enable qemu tracing. For this to work requires running everything inside |
| * the qemu emulator; otherwise, this method will have no effect. The trace |
| * file is specified on the command line when the emulator is started. For |
| * example, the following command line <br /> |
| * <code>emulator -trace foo</code><br /> |
| * will start running the emulator and create a trace file named "foo". This |
| * method simply enables writing the trace records to the trace file. |
| * |
| * <p> |
| * The main differences between this and {@link #startMethodTracing()} are |
| * that tracing in the qemu emulator traces every cpu instruction of every |
| * process, including kernel code, so we have more complete information, |
| * including all context switches. We can also get more detailed information |
| * such as cache misses. The sequence of calls is determined by |
| * post-processing the instruction trace. The qemu tracing is also done |
| * without modifying the application or perturbing the timing of calls |
| * because no instrumentation is added to the application being traced. |
| * </p> |
| * |
| * <p> |
| * One limitation of using this method compared to using |
| * {@link #startMethodTracing()} on the real device is that the emulator |
| * does not model all of the real hardware effects such as memory and |
| * bus contention. The emulator also has a simple cache model and cannot |
| * capture all the complexities of a real cache. |
| * </p> |
| */ |
| public static void startNativeTracing() { |
| // Open the sysfs file for writing and write "1" to it. |
| PrintWriter outStream = null; |
| try { |
| FileOutputStream fos = new FileOutputStream(SYSFS_QEMU_TRACE_STATE); |
| outStream = new FastPrintWriter(fos); |
| outStream.println("1"); |
| } catch (Exception e) { |
| } finally { |
| if (outStream != null) |
| outStream.close(); |
| } |
| |
| VMDebug.startEmulatorTracing(); |
| } |
| |
| /** |
| * Stop qemu tracing. See {@link #startNativeTracing()} to start tracing. |
| * |
| * <p>Tracing can be started and stopped as many times as desired. When |
| * the qemu emulator itself is stopped then the buffered trace records |
| * are flushed and written to the trace file. In fact, it is not necessary |
| * to call this method at all; simply killing qemu is sufficient. But |
| * starting and stopping a trace is useful for examining a specific |
| * region of code.</p> |
| */ |
| public static void stopNativeTracing() { |
| VMDebug.stopEmulatorTracing(); |
| |
| // Open the sysfs file for writing and write "0" to it. |
| PrintWriter outStream = null; |
| try { |
| FileOutputStream fos = new FileOutputStream(SYSFS_QEMU_TRACE_STATE); |
| outStream = new FastPrintWriter(fos); |
| outStream.println("0"); |
| } catch (Exception e) { |
| // We could print an error message here but we probably want |
| // to quietly ignore errors if we are not running in the emulator. |
| } finally { |
| if (outStream != null) |
| outStream.close(); |
| } |
| } |
| |
| /** |
| * Enable "emulator traces", in which information about the current |
| * method is made available to the "emulator -trace" feature. There |
| * is no corresponding "disable" call -- this is intended for use by |
| * the framework when tracing should be turned on and left that way, so |
| * that traces captured with F9/F10 will include the necessary data. |
| * |
| * This puts the VM into "profile" mode, which has performance |
| * consequences. |
| * |
| * To temporarily enable tracing, use {@link #startNativeTracing()}. |
| */ |
| public static void enableEmulatorTraceOutput() { |
| VMDebug.startEmulatorTracing(); |
| } |
| |
| /** |
| * Start method tracing with default log name and buffer size. |
| * <p> |
| * By default, the trace file is called "dmtrace.trace" and it's placed |
| * under your package-specific directory on primary shared/external storage, |
| * as returned by {@link Context#getExternalFilesDir(String)}. |
| * <p> |
| * See <a href="{@docRoot}guide/developing/tools/traceview.html">Traceview: |
| * A Graphical Log Viewer</a> for information about reading trace files. |
| * <p class="note"> |
| * When method tracing is enabled, the VM will run more slowly than usual, |
| * so the timings from the trace files should only be considered in relative |
| * terms (e.g. was run #1 faster than run #2). The times for native methods |
| * will not change, so don't try to use this to compare the performance of |
| * interpreted and native implementations of the same method. As an |
| * alternative, consider using sampling-based method tracing via |
| * {@link #startMethodTracingSampling(String, int, int)} or "native" tracing |
| * in the emulator via {@link #startNativeTracing()}. |
| * </p> |
| */ |
| public static void startMethodTracing() { |
| VMDebug.startMethodTracing(fixTracePath(null), 0, 0, false, 0); |
| } |
| |
| /** |
| * Start method tracing, specifying the trace log file path. |
| * <p> |
| * When a relative file path is given, the trace file will be placed under |
| * your package-specific directory on primary shared/external storage, as |
| * returned by {@link Context#getExternalFilesDir(String)}. |
| * <p> |
| * See <a href="{@docRoot}guide/developing/tools/traceview.html">Traceview: |
| * A Graphical Log Viewer</a> for information about reading trace files. |
| * <p class="note"> |
| * When method tracing is enabled, the VM will run more slowly than usual, |
| * so the timings from the trace files should only be considered in relative |
| * terms (e.g. was run #1 faster than run #2). The times for native methods |
| * will not change, so don't try to use this to compare the performance of |
| * interpreted and native implementations of the same method. As an |
| * alternative, consider using sampling-based method tracing via |
| * {@link #startMethodTracingSampling(String, int, int)} or "native" tracing |
| * in the emulator via {@link #startNativeTracing()}. |
| * </p> |
| * |
| * @param tracePath Path to the trace log file to create. If {@code null}, |
| * this will default to "dmtrace.trace". If the file already |
| * exists, it will be truncated. If the path given does not end |
| * in ".trace", it will be appended for you. |
| */ |
| public static void startMethodTracing(String tracePath) { |
| startMethodTracing(tracePath, 0, 0); |
| } |
| |
| /** |
| * Start method tracing, specifying the trace log file name and the buffer |
| * size. |
| * <p> |
| * When a relative file path is given, the trace file will be placed under |
| * your package-specific directory on primary shared/external storage, as |
| * returned by {@link Context#getExternalFilesDir(String)}. |
| * <p> |
| * See <a href="{@docRoot}guide/developing/tools/traceview.html">Traceview: |
| * A Graphical Log Viewer</a> for information about reading trace files. |
| * <p class="note"> |
| * When method tracing is enabled, the VM will run more slowly than usual, |
| * so the timings from the trace files should only be considered in relative |
| * terms (e.g. was run #1 faster than run #2). The times for native methods |
| * will not change, so don't try to use this to compare the performance of |
| * interpreted and native implementations of the same method. As an |
| * alternative, consider using sampling-based method tracing via |
| * {@link #startMethodTracingSampling(String, int, int)} or "native" tracing |
| * in the emulator via {@link #startNativeTracing()}. |
| * </p> |
| * |
| * @param tracePath Path to the trace log file to create. If {@code null}, |
| * this will default to "dmtrace.trace". If the file already |
| * exists, it will be truncated. If the path given does not end |
| * in ".trace", it will be appended for you. |
| * @param bufferSize The maximum amount of trace data we gather. If not |
| * given, it defaults to 8MB. |
| */ |
| public static void startMethodTracing(String tracePath, int bufferSize) { |
| startMethodTracing(tracePath, bufferSize, 0); |
| } |
| |
| /** |
| * Start method tracing, specifying the trace log file name, the buffer |
| * size, and flags. |
| * <p> |
| * When a relative file path is given, the trace file will be placed under |
| * your package-specific directory on primary shared/external storage, as |
| * returned by {@link Context#getExternalFilesDir(String)}. |
| * <p> |
| * See <a href="{@docRoot}guide/developing/tools/traceview.html">Traceview: |
| * A Graphical Log Viewer</a> for information about reading trace files. |
| * <p class="note"> |
| * When method tracing is enabled, the VM will run more slowly than usual, |
| * so the timings from the trace files should only be considered in relative |
| * terms (e.g. was run #1 faster than run #2). The times for native methods |
| * will not change, so don't try to use this to compare the performance of |
| * interpreted and native implementations of the same method. As an |
| * alternative, consider using sampling-based method tracing via |
| * {@link #startMethodTracingSampling(String, int, int)} or "native" tracing |
| * in the emulator via {@link #startNativeTracing()}. |
| * </p> |
| * |
| * @param tracePath Path to the trace log file to create. If {@code null}, |
| * this will default to "dmtrace.trace". If the file already |
| * exists, it will be truncated. If the path given does not end |
| * in ".trace", it will be appended for you. |
| * @param bufferSize The maximum amount of trace data we gather. If not |
| * given, it defaults to 8MB. |
| * @param flags Flags to control method tracing. The only one that is |
| * currently defined is {@link #TRACE_COUNT_ALLOCS}. |
| */ |
| public static void startMethodTracing(String tracePath, int bufferSize, int flags) { |
| VMDebug.startMethodTracing(fixTracePath(tracePath), bufferSize, flags, false, 0); |
| } |
| |
| /** |
| * Start sampling-based method tracing, specifying the trace log file name, |
| * the buffer size, and the sampling interval. |
| * <p> |
| * When a relative file path is given, the trace file will be placed under |
| * your package-specific directory on primary shared/external storage, as |
| * returned by {@link Context#getExternalFilesDir(String)}. |
| * <p> |
| * See <a href="{@docRoot}guide/developing/tools/traceview.html">Traceview: |
| * A Graphical Log Viewer</a> for information about reading trace files. |
| * |
| * @param tracePath Path to the trace log file to create. If {@code null}, |
| * this will default to "dmtrace.trace". If the file already |
| * exists, it will be truncated. If the path given does not end |
| * in ".trace", it will be appended for you. |
| * @param bufferSize The maximum amount of trace data we gather. If not |
| * given, it defaults to 8MB. |
| * @param intervalUs The amount of time between each sample in microseconds. |
| */ |
| public static void startMethodTracingSampling(String tracePath, int bufferSize, |
| int intervalUs) { |
| VMDebug.startMethodTracing(fixTracePath(tracePath), bufferSize, 0, true, intervalUs); |
| } |
| |
| /** |
| * Formats name of trace log file for method tracing. |
| */ |
| private static String fixTracePath(String tracePath) { |
| if (tracePath == null || tracePath.charAt(0) != '/') { |
| final Context context = AppGlobals.getInitialApplication(); |
| final File dir; |
| if (context != null) { |
| dir = context.getExternalFilesDir(null); |
| } else { |
| dir = Environment.getExternalStorageDirectory(); |
| } |
| |
| if (tracePath == null) { |
| tracePath = new File(dir, DEFAULT_TRACE_BODY).getAbsolutePath(); |
| } else { |
| tracePath = new File(dir, tracePath).getAbsolutePath(); |
| } |
| } |
| if (!tracePath.endsWith(DEFAULT_TRACE_EXTENSION)) { |
| tracePath += DEFAULT_TRACE_EXTENSION; |
| } |
| return tracePath; |
| } |
| |
| /** |
| * Like startMethodTracing(String, int, int), but taking an already-opened |
| * FileDescriptor in which the trace is written. The file name is also |
| * supplied simply for logging. Makes a dup of the file descriptor. |
| * |
| * Not exposed in the SDK unless we are really comfortable with supporting |
| * this and find it would be useful. |
| * @hide |
| */ |
| public static void startMethodTracing(String traceName, FileDescriptor fd, |
| int bufferSize, int flags) { |
| VMDebug.startMethodTracing(traceName, fd, bufferSize, flags, false, 0); |
| } |
| |
| /** |
| * Starts method tracing without a backing file. When stopMethodTracing |
| * is called, the result is sent directly to DDMS. (If DDMS is not |
| * attached when tracing ends, the profiling data will be discarded.) |
| * |
| * @hide |
| */ |
| public static void startMethodTracingDdms(int bufferSize, int flags, |
| boolean samplingEnabled, int intervalUs) { |
| VMDebug.startMethodTracingDdms(bufferSize, flags, samplingEnabled, intervalUs); |
| } |
| |
| /** |
| * Determine whether method tracing is currently active and what type is |
| * active. |
| * |
| * @hide |
| */ |
| public static int getMethodTracingMode() { |
| return VMDebug.getMethodTracingMode(); |
| } |
| |
| /** |
| * Stop method tracing. |
| */ |
| public static void stopMethodTracing() { |
| VMDebug.stopMethodTracing(); |
| } |
| |
| /** |
| * Get an indication of thread CPU usage. The value returned |
| * indicates the amount of time that the current thread has spent |
| * executing code or waiting for certain types of I/O. |
| * |
| * The time is expressed in nanoseconds, and is only meaningful |
| * when compared to the result from an earlier call. Note that |
| * nanosecond resolution does not imply nanosecond accuracy. |
| * |
| * On system which don't support this operation, the call returns -1. |
| */ |
| public static long threadCpuTimeNanos() { |
| return VMDebug.threadCpuTimeNanos(); |
| } |
| |
| /** |
| * Start counting the number and aggregate size of memory allocations. |
| * |
| * <p>The {@link #startAllocCounting() start} method resets the counts and enables counting. |
| * The {@link #stopAllocCounting() stop} method disables the counting so that the analysis |
| * code doesn't cause additional allocations. The various <code>get</code> methods return |
| * the specified value. And the various <code>reset</code> methods reset the specified |
| * count.</p> |
| * |
| * <p>Counts are kept for the system as a whole (global) and for each thread. |
| * The per-thread counts for threads other than the current thread |
| * are not cleared by the "reset" or "start" calls.</p> |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static void startAllocCounting() { |
| VMDebug.startAllocCounting(); |
| } |
| |
| /** |
| * Stop counting the number and aggregate size of memory allocations. |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static void stopAllocCounting() { |
| VMDebug.stopAllocCounting(); |
| } |
| |
| /** |
| * Returns the global count of objects allocated by the runtime between a |
| * {@link #startAllocCounting() start} and {@link #stopAllocCounting() stop}. |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static int getGlobalAllocCount() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_ALLOCATED_OBJECTS); |
| } |
| |
| /** |
| * Clears the global count of objects allocated. |
| * @see #getGlobalAllocCount() |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static void resetGlobalAllocCount() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_ALLOCATED_OBJECTS); |
| } |
| |
| /** |
| * Returns the global size, in bytes, of objects allocated by the runtime between a |
| * {@link #startAllocCounting() start} and {@link #stopAllocCounting() stop}. |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static int getGlobalAllocSize() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_ALLOCATED_BYTES); |
| } |
| |
| /** |
| * Clears the global size of objects allocated. |
| * @see #getGlobalAllocSize() |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static void resetGlobalAllocSize() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_ALLOCATED_BYTES); |
| } |
| |
| /** |
| * Returns the global count of objects freed by the runtime between a |
| * {@link #startAllocCounting() start} and {@link #stopAllocCounting() stop}. |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static int getGlobalFreedCount() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_FREED_OBJECTS); |
| } |
| |
| /** |
| * Clears the global count of objects freed. |
| * @see #getGlobalFreedCount() |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static void resetGlobalFreedCount() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_FREED_OBJECTS); |
| } |
| |
| /** |
| * Returns the global size, in bytes, of objects freed by the runtime between a |
| * {@link #startAllocCounting() start} and {@link #stopAllocCounting() stop}. |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static int getGlobalFreedSize() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_FREED_BYTES); |
| } |
| |
| /** |
| * Clears the global size of objects freed. |
| * @see #getGlobalFreedSize() |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static void resetGlobalFreedSize() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_FREED_BYTES); |
| } |
| |
| /** |
| * Returns the number of non-concurrent GC invocations between a |
| * {@link #startAllocCounting() start} and {@link #stopAllocCounting() stop}. |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static int getGlobalGcInvocationCount() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_GC_INVOCATIONS); |
| } |
| |
| /** |
| * Clears the count of non-concurrent GC invocations. |
| * @see #getGlobalGcInvocationCount() |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static void resetGlobalGcInvocationCount() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_GC_INVOCATIONS); |
| } |
| |
| /** |
| * Returns the number of classes successfully initialized (ie those that executed without |
| * throwing an exception) between a {@link #startAllocCounting() start} and |
| * {@link #stopAllocCounting() stop}. |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static int getGlobalClassInitCount() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_CLASS_INIT_COUNT); |
| } |
| |
| /** |
| * Clears the count of classes initialized. |
| * @see #getGlobalClassInitCount() |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static void resetGlobalClassInitCount() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_CLASS_INIT_COUNT); |
| } |
| |
| /** |
| * Returns the time spent successfully initializing classes between a |
| * {@link #startAllocCounting() start} and {@link #stopAllocCounting() stop}. |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static int getGlobalClassInitTime() { |
| /* cumulative elapsed time for class initialization, in usec */ |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_CLASS_INIT_TIME); |
| } |
| |
| /** |
| * Clears the count of time spent initializing classes. |
| * @see #getGlobalClassInitTime() |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static void resetGlobalClassInitTime() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_CLASS_INIT_TIME); |
| } |
| |
| /** |
| * This method exists for compatibility and always returns 0. |
| * @deprecated This method is now obsolete. |
| */ |
| @Deprecated |
| public static int getGlobalExternalAllocCount() { |
| return 0; |
| } |
| |
| /** |
| * This method exists for compatibility and has no effect. |
| * @deprecated This method is now obsolete. |
| */ |
| @Deprecated |
| public static void resetGlobalExternalAllocSize() {} |
| |
| /** |
| * This method exists for compatibility and has no effect. |
| * @deprecated This method is now obsolete. |
| */ |
| @Deprecated |
| public static void resetGlobalExternalAllocCount() {} |
| |
| /** |
| * This method exists for compatibility and always returns 0. |
| * @deprecated This method is now obsolete. |
| */ |
| @Deprecated |
| public static int getGlobalExternalAllocSize() { |
| return 0; |
| } |
| |
| /** |
| * This method exists for compatibility and always returns 0. |
| * @deprecated This method is now obsolete. |
| */ |
| @Deprecated |
| public static int getGlobalExternalFreedCount() { |
| return 0; |
| } |
| |
| /** |
| * This method exists for compatibility and has no effect. |
| * @deprecated This method is now obsolete. |
| */ |
| @Deprecated |
| public static void resetGlobalExternalFreedCount() {} |
| |
| /** |
| * This method exists for compatibility and has no effect. |
| * @deprecated This method is now obsolete. |
| */ |
| @Deprecated |
| public static int getGlobalExternalFreedSize() { |
| return 0; |
| } |
| |
| /** |
| * This method exists for compatibility and has no effect. |
| * @deprecated This method is now obsolete. |
| */ |
| @Deprecated |
| public static void resetGlobalExternalFreedSize() {} |
| |
| /** |
| * Returns the thread-local count of objects allocated by the runtime between a |
| * {@link #startAllocCounting() start} and {@link #stopAllocCounting() stop}. |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static int getThreadAllocCount() { |
| return VMDebug.getAllocCount(VMDebug.KIND_THREAD_ALLOCATED_OBJECTS); |
| } |
| |
| /** |
| * Clears the thread-local count of objects allocated. |
| * @see #getThreadAllocCount() |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static void resetThreadAllocCount() { |
| VMDebug.resetAllocCount(VMDebug.KIND_THREAD_ALLOCATED_OBJECTS); |
| } |
| |
| /** |
| * Returns the thread-local size of objects allocated by the runtime between a |
| * {@link #startAllocCounting() start} and {@link #stopAllocCounting() stop}. |
| * @return The allocated size in bytes. |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static int getThreadAllocSize() { |
| return VMDebug.getAllocCount(VMDebug.KIND_THREAD_ALLOCATED_BYTES); |
| } |
| |
| /** |
| * Clears the thread-local count of objects allocated. |
| * @see #getThreadAllocSize() |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static void resetThreadAllocSize() { |
| VMDebug.resetAllocCount(VMDebug.KIND_THREAD_ALLOCATED_BYTES); |
| } |
| |
| /** |
| * This method exists for compatibility and has no effect. |
| * @deprecated This method is now obsolete. |
| */ |
| @Deprecated |
| public static int getThreadExternalAllocCount() { |
| return 0; |
| } |
| |
| /** |
| * This method exists for compatibility and has no effect. |
| * @deprecated This method is now obsolete. |
| */ |
| @Deprecated |
| public static void resetThreadExternalAllocCount() {} |
| |
| /** |
| * This method exists for compatibility and has no effect. |
| * @deprecated This method is now obsolete. |
| */ |
| @Deprecated |
| public static int getThreadExternalAllocSize() { |
| return 0; |
| } |
| |
| /** |
| * This method exists for compatibility and has no effect. |
| * @deprecated This method is now obsolete. |
| */ |
| @Deprecated |
| public static void resetThreadExternalAllocSize() {} |
| |
| /** |
| * Returns the number of thread-local non-concurrent GC invocations between a |
| * {@link #startAllocCounting() start} and {@link #stopAllocCounting() stop}. |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static int getThreadGcInvocationCount() { |
| return VMDebug.getAllocCount(VMDebug.KIND_THREAD_GC_INVOCATIONS); |
| } |
| |
| /** |
| * Clears the thread-local count of non-concurrent GC invocations. |
| * @see #getThreadGcInvocationCount() |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static void resetThreadGcInvocationCount() { |
| VMDebug.resetAllocCount(VMDebug.KIND_THREAD_GC_INVOCATIONS); |
| } |
| |
| /** |
| * Clears all the global and thread-local memory allocation counters. |
| * @see #startAllocCounting() |
| * |
| * @deprecated Accurate counting is a burden on the runtime and may be removed. |
| */ |
| @Deprecated |
| public static void resetAllCounts() { |
| VMDebug.resetAllocCount(VMDebug.KIND_ALL_COUNTS); |
| } |
| |
| /** |
| * Returns the value of a particular runtime statistic or {@code null} if no |
| * such runtime statistic exists. |
| * |
| * <p>The following table lists the runtime statistics that the runtime supports. |
| * Note runtime statistics may be added or removed in a future API level.</p> |
| * |
| * <table> |
| * <thead> |
| * <tr> |
| * <th>Runtime statistic name</th> |
| * <th>Meaning</th> |
| * <th>Example</th> |
| * <th>Supported (API Levels)</th> |
| * </tr> |
| * </thead> |
| * <tbody> |
| * <tr> |
| * <td>art.gc.gc-count</td> |
| * <td>The number of garbage collection runs.</td> |
| * <td>{@code 164}</td> |
| * <td>23</td> |
| * </tr> |
| * <tr> |
| * <td>art.gc.gc-time</td> |
| * <td>The total duration of garbage collection runs in ms.</td> |
| * <td>{@code 62364}</td> |
| * <td>23</td> |
| * </tr> |
| * <tr> |
| * <td>art.gc.bytes-allocated</td> |
| * <td>The total number of bytes that the application allocated.</td> |
| * <td>{@code 1463948408}</td> |
| * <td>23</td> |
| * </tr> |
| * <tr> |
| * <td>art.gc.bytes-freed</td> |
| * <td>The total number of bytes that garbage collection reclaimed.</td> |
| * <td>{@code 1313493084}</td> |
| * <td>23</td> |
| * </tr> |
| * <tr> |
| * <td>art.gc.blocking-gc-count</td> |
| * <td>The number of blocking garbage collection runs.</td> |
| * <td>{@code 2}</td> |
| * <td>23</td> |
| * </tr> |
| * <tr> |
| * <td>art.gc.blocking-gc-time</td> |
| * <td>The total duration of blocking garbage collection runs in ms.</td> |
| * <td>{@code 804}</td> |
| * <td>23</td> |
| * </tr> |
| * <tr> |
| * <td>art.gc.gc-count-rate-histogram</td> |
| * <td>Every 10 seconds, the gc-count-rate is computed as the number of garbage |
| * collection runs that have occurred over the last 10 |
| * seconds. art.gc.gc-count-rate-histogram is a histogram of the gc-count-rate |
| * samples taken since the process began. The histogram can be used to identify |
| * instances of high rates of garbage collection runs. For example, a histogram |
| * of "0:34503,1:45350,2:11281,3:8088,4:43,5:8" shows that most of the time |
| * there are between 0 and 2 garbage collection runs every 10 seconds, but there |
| * were 8 distinct 10-second intervals in which 5 garbage collection runs |
| * occurred.</td> |
| * <td>{@code 0:34503,1:45350,2:11281,3:8088,4:43,5:8}</td> |
| * <td>23</td> |
| * </tr> |
| * <tr> |
| * <td>art.gc.blocking-gc-count-rate-histogram</td> |
| * <td>Every 10 seconds, the blocking-gc-count-rate is computed as the number of |
| * blocking garbage collection runs that have occurred over the last 10 |
| * seconds. art.gc.blocking-gc-count-rate-histogram is a histogram of the |
| * blocking-gc-count-rate samples taken since the process began. The histogram |
| * can be used to identify instances of high rates of blocking garbage |
| * collection runs. For example, a histogram of "0:99269,1:1,2:1" shows that |
| * most of the time there are zero blocking garbage collection runs every 10 |
| * seconds, but there was one 10-second interval in which one blocking garbage |
| * collection run occurred, and there was one interval in which two blocking |
| * garbage collection runs occurred.</td> |
| * <td>{@code 0:99269,1:1,2:1}</td> |
| * <td>23</td> |
| * </tr> |
| * </tbody> |
| * </table> |
| * |
| * @param statName |
| * the name of the runtime statistic to look up. |
| * @return the value of the specified runtime statistic or {@code null} if the |
| * runtime statistic doesn't exist. |
| */ |
| public static String getRuntimeStat(String statName) { |
| return VMDebug.getRuntimeStat(statName); |
| } |
| |
| /** |
| * Returns a map of the names/values of the runtime statistics |
| * that {@link #getRuntimeStat(String)} supports. |
| * |
| * @return a map of the names/values of the supported runtime statistics. |
| */ |
| public static Map<String, String> getRuntimeStats() { |
| return VMDebug.getRuntimeStats(); |
| } |
| |
| /** |
| * Returns the size of the native heap. |
| * @return The size of the native heap in bytes. |
| */ |
| public static native long getNativeHeapSize(); |
| |
| /** |
| * Returns the amount of allocated memory in the native heap. |
| * @return The allocated size in bytes. |
| */ |
| public static native long getNativeHeapAllocatedSize(); |
| |
| /** |
| * Returns the amount of free memory in the native heap. |
| * @return The freed size in bytes. |
| */ |
| public static native long getNativeHeapFreeSize(); |
| |
| /** |
| * Retrieves information about this processes memory usages. This information is broken down by |
| * how much is in use by dalvik, the native heap, and everything else. |
| * |
| * <p><b>Note:</b> this method directly retrieves memory information for the give process |
| * from low-level data available to it. It may not be able to retrieve information about |
| * some protected allocations, such as graphics. If you want to be sure you can see |
| * all information about allocations by the process, use instead |
| * {@link android.app.ActivityManager#getProcessMemoryInfo(int[])}.</p> |
| */ |
| public static native void getMemoryInfo(MemoryInfo memoryInfo); |
| |
| /** |
| * Note: currently only works when the requested pid has the same UID |
| * as the caller. |
| * @hide |
| */ |
| public static native void getMemoryInfo(int pid, MemoryInfo memoryInfo); |
| |
| /** |
| * Retrieves the PSS memory used by the process as given by the |
| * smaps. |
| */ |
| public static native long getPss(); |
| |
| /** |
| * Retrieves the PSS memory used by the process as given by the |
| * smaps. Optionally supply a long array of 2 entries to also |
| * receive the Uss and SwapPss of the process, and another array to also |
| * retrieve the separate memtrack size. |
| * @hide |
| */ |
| public static native long getPss(int pid, long[] outUssSwapPss, long[] outMemtrack); |
| |
| /** @hide */ |
| public static final int MEMINFO_TOTAL = 0; |
| /** @hide */ |
| public static final int MEMINFO_FREE = 1; |
| /** @hide */ |
| public static final int MEMINFO_BUFFERS = 2; |
| /** @hide */ |
| public static final int MEMINFO_CACHED = 3; |
| /** @hide */ |
| public static final int MEMINFO_SHMEM = 4; |
| /** @hide */ |
| public static final int MEMINFO_SLAB = 5; |
| /** @hide */ |
| public static final int MEMINFO_SWAP_TOTAL = 6; |
| /** @hide */ |
| public static final int MEMINFO_SWAP_FREE = 7; |
| /** @hide */ |
| public static final int MEMINFO_ZRAM_TOTAL = 8; |
| /** @hide */ |
| public static final int MEMINFO_MAPPED = 9; |
| /** @hide */ |
| public static final int MEMINFO_VM_ALLOC_USED = 10; |
| /** @hide */ |
| public static final int MEMINFO_PAGE_TABLES = 11; |
| /** @hide */ |
| public static final int MEMINFO_KERNEL_STACK = 12; |
| /** @hide */ |
| public static final int MEMINFO_COUNT = 13; |
| |
| /** |
| * Retrieves /proc/meminfo. outSizes is filled with fields |
| * as defined by MEMINFO_* offsets. |
| * @hide |
| */ |
| public static native void getMemInfo(long[] outSizes); |
| |
| /** |
| * Establish an object allocation limit in the current thread. |
| * This feature was never enabled in release builds. The |
| * allocation limits feature was removed in Honeycomb. This |
| * method exists for compatibility and always returns -1 and has |
| * no effect. |
| * |
| * @deprecated This method is now obsolete. |
| */ |
| @Deprecated |
| public static int setAllocationLimit(int limit) { |
| return -1; |
| } |
| |
| /** |
| * Establish a global object allocation limit. This feature was |
| * never enabled in release builds. The allocation limits feature |
| * was removed in Honeycomb. This method exists for compatibility |
| * and always returns -1 and has no effect. |
| * |
| * @deprecated This method is now obsolete. |
| */ |
| @Deprecated |
| public static int setGlobalAllocationLimit(int limit) { |
| return -1; |
| } |
| |
| /** |
| * Dump a list of all currently loaded class to the log file. |
| * |
| * @param flags See constants above. |
| */ |
| public static void printLoadedClasses(int flags) { |
| VMDebug.printLoadedClasses(flags); |
| } |
| |
| /** |
| * Get the number of loaded classes. |
| * @return the number of loaded classes. |
| */ |
| public static int getLoadedClassCount() { |
| return VMDebug.getLoadedClassCount(); |
| } |
| |
| /** |
| * Dump "hprof" data to the specified file. This may cause a GC. |
| * |
| * @param fileName Full pathname of output file (e.g. "/sdcard/dump.hprof"). |
| * @throws UnsupportedOperationException if the VM was built without |
| * HPROF support. |
| * @throws IOException if an error occurs while opening or writing files. |
| */ |
| public static void dumpHprofData(String fileName) throws IOException { |
| VMDebug.dumpHprofData(fileName); |
| } |
| |
| /** |
| * Like dumpHprofData(String), but takes an already-opened |
| * FileDescriptor to which the trace is written. The file name is also |
| * supplied simply for logging. Makes a dup of the file descriptor. |
| * |
| * Primarily for use by the "am" shell command. |
| * |
| * @hide |
| */ |
| public static void dumpHprofData(String fileName, FileDescriptor fd) |
| throws IOException { |
| VMDebug.dumpHprofData(fileName, fd); |
| } |
| |
| /** |
| * Collect "hprof" and send it to DDMS. This may cause a GC. |
| * |
| * @throws UnsupportedOperationException if the VM was built without |
| * HPROF support. |
| * @hide |
| */ |
| public static void dumpHprofDataDdms() { |
| VMDebug.dumpHprofDataDdms(); |
| } |
| |
| /** |
| * Writes native heap data to the specified file descriptor. |
| * |
| * @hide |
| */ |
| public static native void dumpNativeHeap(FileDescriptor fd); |
| |
| /** |
| * Returns a count of the extant instances of a class. |
| * |
| * @hide |
| */ |
| public static long countInstancesOfClass(Class cls) { |
| return VMDebug.countInstancesOfClass(cls, true); |
| } |
| |
| /** |
| * Returns the number of sent transactions from this process. |
| * @return The number of sent transactions or -1 if it could not read t. |
| */ |
| public static native int getBinderSentTransactions(); |
| |
| /** |
| * Returns the number of received transactions from the binder driver. |
| * @return The number of received transactions or -1 if it could not read the stats. |
| */ |
| public static native int getBinderReceivedTransactions(); |
| |
| /** |
| * Returns the number of active local Binder objects that exist in the |
| * current process. |
| */ |
| public static final native int getBinderLocalObjectCount(); |
| |
| /** |
| * Returns the number of references to remote proxy Binder objects that |
| * exist in the current process. |
| */ |
| public static final native int getBinderProxyObjectCount(); |
| |
| /** |
| * Returns the number of death notification links to Binder objects that |
| * exist in the current process. |
| */ |
| public static final native int getBinderDeathObjectCount(); |
| |
| /** |
| * Primes the register map cache. |
| * |
| * Only works for classes in the bootstrap class loader. Does not |
| * cause classes to be loaded if they're not already present. |
| * |
| * The classAndMethodDesc argument is a concatentation of the VM-internal |
| * class descriptor, method name, and method descriptor. Examples: |
| * Landroid/os/Looper;.loop:()V |
| * Landroid/app/ActivityThread;.main:([Ljava/lang/String;)V |
| * |
| * @param classAndMethodDesc the method to prepare |
| * |
| * @hide |
| */ |
| public static final boolean cacheRegisterMap(String classAndMethodDesc) { |
| return VMDebug.cacheRegisterMap(classAndMethodDesc); |
| } |
| |
| /** |
| * Dumps the contents of VM reference tables (e.g. JNI locals and |
| * globals) to the log file. |
| * |
| * @hide |
| */ |
| public static final void dumpReferenceTables() { |
| VMDebug.dumpReferenceTables(); |
| } |
| |
| /** |
| * API for gathering and querying instruction counts. |
| * |
| * Example usage: |
| * <pre> |
| * Debug.InstructionCount icount = new Debug.InstructionCount(); |
| * icount.resetAndStart(); |
| * [... do lots of stuff ...] |
| * if (icount.collect()) { |
| * System.out.println("Total instructions executed: " |
| * + icount.globalTotal()); |
| * System.out.println("Method invocations: " |
| * + icount.globalMethodInvocations()); |
| * } |
| * </pre> |
| * |
| * @deprecated Instruction counting is no longer supported. |
| */ |
| @Deprecated |
| public static class InstructionCount { |
| private static final int NUM_INSTR = |
| OpcodeInfo.MAXIMUM_PACKED_VALUE + 1; |
| |
| private int[] mCounts; |
| |
| public InstructionCount() { |
| mCounts = new int[NUM_INSTR]; |
| } |
| |
| /** |
| * Reset counters and ensure counts are running. Counts may |
| * have already been running. |
| * |
| * @return true if counting was started |
| */ |
| public boolean resetAndStart() { |
| try { |
| VMDebug.startInstructionCounting(); |
| VMDebug.resetInstructionCount(); |
| } catch (UnsupportedOperationException uoe) { |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * Collect instruction counts. May or may not stop the |
| * counting process. |
| */ |
| public boolean collect() { |
| try { |
| VMDebug.stopInstructionCounting(); |
| VMDebug.getInstructionCount(mCounts); |
| } catch (UnsupportedOperationException uoe) { |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * Return the total number of instructions executed globally (i.e. in |
| * all threads). |
| */ |
| public int globalTotal() { |
| int count = 0; |
| |
| for (int i = 0; i < NUM_INSTR; i++) { |
| count += mCounts[i]; |
| } |
| |
| return count; |
| } |
| |
| /** |
| * Return the total number of method-invocation instructions |
| * executed globally. |
| */ |
| public int globalMethodInvocations() { |
| int count = 0; |
| |
| for (int i = 0; i < NUM_INSTR; i++) { |
| if (OpcodeInfo.isInvoke(i)) { |
| count += mCounts[i]; |
| } |
| } |
| |
| return count; |
| } |
| } |
| |
| /** |
| * A Map of typed debug properties. |
| */ |
| private static final TypedProperties debugProperties; |
| |
| /* |
| * Load the debug properties from the standard files into debugProperties. |
| */ |
| static { |
| if (false) { |
| final String TAG = "DebugProperties"; |
| final String[] files = { "/system/debug.prop", "/debug.prop", "/data/debug.prop" }; |
| final TypedProperties tp = new TypedProperties(); |
| |
| // Read the properties from each of the files, if present. |
| for (String file : files) { |
| Reader r; |
| try { |
| r = new FileReader(file); |
| } catch (FileNotFoundException ex) { |
| // It's ok if a file is missing. |
| continue; |
| } |
| |
| try { |
| tp.load(r); |
| } catch (Exception ex) { |
| throw new RuntimeException("Problem loading " + file, ex); |
| } finally { |
| try { |
| r.close(); |
| } catch (IOException ex) { |
| // Ignore this error. |
| } |
| } |
| } |
| |
| debugProperties = tp.isEmpty() ? null : tp; |
| } else { |
| debugProperties = null; |
| } |
| } |
| |
| |
| /** |
| * Returns true if the type of the field matches the specified class. |
| * Handles the case where the class is, e.g., java.lang.Boolean, but |
| * the field is of the primitive "boolean" type. Also handles all of |
| * the java.lang.Number subclasses. |
| */ |
| private static boolean fieldTypeMatches(Field field, Class<?> cl) { |
| Class<?> fieldClass = field.getType(); |
| if (fieldClass == cl) { |
| return true; |
| } |
| Field primitiveTypeField; |
| try { |
| /* All of the classes we care about (Boolean, Integer, etc.) |
| * have a Class field called "TYPE" that points to the corresponding |
| * primitive class. |
| */ |
| primitiveTypeField = cl.getField("TYPE"); |
| } catch (NoSuchFieldException ex) { |
| return false; |
| } |
| try { |
| return fieldClass == (Class<?>) primitiveTypeField.get(null); |
| } catch (IllegalAccessException ex) { |
| return false; |
| } |
| } |
| |
| |
| /** |
| * Looks up the property that corresponds to the field, and sets the field's value |
| * if the types match. |
| */ |
| private static void modifyFieldIfSet(final Field field, final TypedProperties properties, |
| final String propertyName) { |
| if (field.getType() == java.lang.String.class) { |
| int stringInfo = properties.getStringInfo(propertyName); |
| switch (stringInfo) { |
| case TypedProperties.STRING_SET: |
| // Handle as usual below. |
| break; |
| case TypedProperties.STRING_NULL: |
| try { |
| field.set(null, null); // null object for static fields; null string |
| } catch (IllegalAccessException ex) { |
| throw new IllegalArgumentException( |
| "Cannot set field for " + propertyName, ex); |
| } |
| return; |
| case TypedProperties.STRING_NOT_SET: |
| return; |
| case TypedProperties.STRING_TYPE_MISMATCH: |
| throw new IllegalArgumentException( |
| "Type of " + propertyName + " " + |
| " does not match field type (" + field.getType() + ")"); |
| default: |
| throw new IllegalStateException( |
| "Unexpected getStringInfo(" + propertyName + ") return value " + |
| stringInfo); |
| } |
| } |
| Object value = properties.get(propertyName); |
| if (value != null) { |
| if (!fieldTypeMatches(field, value.getClass())) { |
| throw new IllegalArgumentException( |
| "Type of " + propertyName + " (" + value.getClass() + ") " + |
| " does not match field type (" + field.getType() + ")"); |
| } |
| try { |
| field.set(null, value); // null object for static fields |
| } catch (IllegalAccessException ex) { |
| throw new IllegalArgumentException( |
| "Cannot set field for " + propertyName, ex); |
| } |
| } |
| } |
| |
| |
| /** |
| * Equivalent to <code>setFieldsOn(cl, false)</code>. |
| * |
| * @see #setFieldsOn(Class, boolean) |
| * |
| * @hide |
| */ |
| public static void setFieldsOn(Class<?> cl) { |
| setFieldsOn(cl, false); |
| } |
| |
| /** |
| * Reflectively sets static fields of a class based on internal debugging |
| * properties. This method is a no-op if false is |
| * false. |
| * <p> |
| * <strong>NOTE TO APPLICATION DEVELOPERS</strong>: false will |
| * always be false in release builds. This API is typically only useful |
| * for platform developers. |
| * </p> |
| * Class setup: define a class whose only fields are non-final, static |
| * primitive types (except for "char") or Strings. In a static block |
| * after the field definitions/initializations, pass the class to |
| * this method, Debug.setFieldsOn(). Example: |
| * <pre> |
| * package com.example; |
| * |
| * import android.os.Debug; |
| * |
| * public class MyDebugVars { |
| * public static String s = "a string"; |
| * public static String s2 = "second string"; |
| * public static String ns = null; |
| * public static boolean b = false; |
| * public static int i = 5; |
| * @Debug.DebugProperty |
| * public static float f = 0.1f; |
| * @@Debug.DebugProperty |
| * public static double d = 0.5d; |
| * |
| * // This MUST appear AFTER all fields are defined and initialized! |
| * static { |
| * // Sets all the fields |
| * Debug.setFieldsOn(MyDebugVars.class); |
| * |
| * // Sets only the fields annotated with @Debug.DebugProperty |
| * // Debug.setFieldsOn(MyDebugVars.class, true); |
| * } |
| * } |
| * </pre> |
| * setFieldsOn() may override the value of any field in the class based |
| * on internal properties that are fixed at boot time. |
| * <p> |
| * These properties are only set during platform debugging, and are not |
| * meant to be used as a general-purpose properties store. |
| * |
| * {@hide} |
| * |
| * @param cl The class to (possibly) modify |
| * @param partial If false, sets all static fields, otherwise, only set |
| * fields with the {@link android.os.Debug.DebugProperty} |
| * annotation |
| * @throws IllegalArgumentException if any fields are final or non-static, |
| * or if the type of the field does not match the type of |
| * the internal debugging property value. |
| */ |
| public static void setFieldsOn(Class<?> cl, boolean partial) { |
| if (false) { |
| if (debugProperties != null) { |
| /* Only look for fields declared directly by the class, |
| * so we don't mysteriously change static fields in superclasses. |
| */ |
| for (Field field : cl.getDeclaredFields()) { |
| if (!partial || field.getAnnotation(DebugProperty.class) != null) { |
| final String propertyName = cl.getName() + "." + field.getName(); |
| boolean isStatic = Modifier.isStatic(field.getModifiers()); |
| boolean isFinal = Modifier.isFinal(field.getModifiers()); |
| |
| if (!isStatic || isFinal) { |
| throw new IllegalArgumentException(propertyName + |
| " must be static and non-final"); |
| } |
| modifyFieldIfSet(field, debugProperties, propertyName); |
| } |
| } |
| } |
| } else { |
| Log.wtf(TAG, |
| "setFieldsOn(" + (cl == null ? "null" : cl.getName()) + |
| ") called in non-DEBUG build"); |
| } |
| } |
| |
| /** |
| * Annotation to put on fields you want to set with |
| * {@link Debug#setFieldsOn(Class, boolean)}. |
| * |
| * @hide |
| */ |
| @Target({ ElementType.FIELD }) |
| @Retention(RetentionPolicy.RUNTIME) |
| public @interface DebugProperty { |
| } |
| |
| /** |
| * Get a debugging dump of a system service by name. |
| * |
| * <p>Most services require the caller to hold android.permission.DUMP. |
| * |
| * @param name of the service to dump |
| * @param fd to write dump output to (usually an output log file) |
| * @param args to pass to the service's dump method, may be null |
| * @return true if the service was dumped successfully, false if |
| * the service could not be found or had an error while dumping |
| */ |
| public static boolean dumpService(String name, FileDescriptor fd, String[] args) { |
| IBinder service = ServiceManager.getService(name); |
| if (service == null) { |
| Log.e(TAG, "Can't find service to dump: " + name); |
| return false; |
| } |
| |
| try { |
| service.dump(fd, args); |
| return true; |
| } catch (RemoteException e) { |
| Log.e(TAG, "Can't dump service: " + name, e); |
| return false; |
| } |
| } |
| |
| /** |
| * Have the stack traces of the given native process dumped to the |
| * specified file. Will be appended to the file. |
| * @hide |
| */ |
| public static native void dumpNativeBacktraceToFile(int pid, String file); |
| |
| /** |
| * Get description of unreachable native memory. |
| * @param limit the number of leaks to provide info on, 0 to only get a summary. |
| * @param contents true to include a hex dump of the contents of unreachable memory. |
| * @return the String containing a description of unreachable memory. |
| * @hide */ |
| public static native String getUnreachableMemory(int limit, boolean contents); |
| |
| /** |
| * Return a String describing the calling method and location at a particular stack depth. |
| * @param callStack the Thread stack |
| * @param depth the depth of stack to return information for. |
| * @return the String describing the caller at that depth. |
| */ |
| private static String getCaller(StackTraceElement callStack[], int depth) { |
| // callStack[4] is the caller of the method that called getCallers() |
| if (4 + depth >= callStack.length) { |
| return "<bottom of call stack>"; |
| } |
| StackTraceElement caller = callStack[4 + depth]; |
| return caller.getClassName() + "." + caller.getMethodName() + ":" + caller.getLineNumber(); |
| } |
| |
| /** |
| * Return a string consisting of methods and locations at multiple call stack levels. |
| * @param depth the number of levels to return, starting with the immediate caller. |
| * @return a string describing the call stack. |
| * {@hide} |
| */ |
| public static String getCallers(final int depth) { |
| final StackTraceElement[] callStack = Thread.currentThread().getStackTrace(); |
| StringBuffer sb = new StringBuffer(); |
| for (int i = 0; i < depth; i++) { |
| sb.append(getCaller(callStack, i)).append(" "); |
| } |
| return sb.toString(); |
| } |
| |
| /** |
| * Return a string consisting of methods and locations at multiple call stack levels. |
| * @param depth the number of levels to return, starting with the immediate caller. |
| * @return a string describing the call stack. |
| * {@hide} |
| */ |
| public static String getCallers(final int start, int depth) { |
| final StackTraceElement[] callStack = Thread.currentThread().getStackTrace(); |
| StringBuffer sb = new StringBuffer(); |
| depth += start; |
| for (int i = start; i < depth; i++) { |
| sb.append(getCaller(callStack, i)).append(" "); |
| } |
| return sb.toString(); |
| } |
| |
| /** |
| * Like {@link #getCallers(int)}, but each location is append to the string |
| * as a new line with <var>linePrefix</var> in front of it. |
| * @param depth the number of levels to return, starting with the immediate caller. |
| * @param linePrefix prefix to put in front of each location. |
| * @return a string describing the call stack. |
| * {@hide} |
| */ |
| public static String getCallers(final int depth, String linePrefix) { |
| final StackTraceElement[] callStack = Thread.currentThread().getStackTrace(); |
| StringBuffer sb = new StringBuffer(); |
| for (int i = 0; i < depth; i++) { |
| sb.append(linePrefix).append(getCaller(callStack, i)).append("\n"); |
| } |
| return sb.toString(); |
| } |
| |
| /** |
| * @return a String describing the immediate caller of the calling method. |
| * {@hide} |
| */ |
| public static String getCaller() { |
| return getCaller(Thread.currentThread().getStackTrace(), 0); |
| } |
| } |