| /* |
| * 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 java.io.FileOutputStream; |
| import java.io.OutputStreamWriter; |
| import java.io.PrintWriter; |
| |
| import org.apache.harmony.dalvik.ddmc.Chunk; |
| import org.apache.harmony.dalvik.ddmc.ChunkHandler; |
| import org.apache.harmony.dalvik.ddmc.DdmServer; |
| |
| import dalvik.bytecode.Opcodes; |
| import dalvik.system.VMDebug; |
| |
| |
| /** Provides various debugging functions 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}reference/traceview.html">Running the Traceview Debugging Program</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 |
| { |
| /** |
| * Flags for startMethodTracing(). These can be ORed together. |
| * |
| * TRACE_COUNT_ALLOCS adds the results from startAllocCounting to the |
| * trace key file. |
| */ |
| 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_PATH_PREFIX = "/sdcard/"; |
| private static final String DEFAULT_TRACE_BODY = "dmtrace"; |
| private static final String DEFAULT_TRACE_EXTENSION = ".trace"; |
| private static final String DEFAULT_TRACE_FILE_PATH = |
| DEFAULT_TRACE_PATH_PREFIX + DEFAULT_TRACE_BODY |
| + DEFAULT_TRACE_EXTENSION; |
| |
| |
| /** |
| * This class is used to retrieved various statistics about the memory mappings for this |
| * process. The returns info broken down by dalvik, native, and other. All results are in kB. |
| */ |
| public static class MemoryInfo { |
| /** The proportional set size for dalvik. */ |
| public int dalvikPss; |
| /** The private dirty pages used by dalvik. */ |
| public int dalvikPrivateDirty; |
| /** The shared dirty pages used by dalvik. */ |
| public int dalvikSharedDirty; |
| |
| /** The proportional set size for the native heap. */ |
| public int nativePss; |
| /** 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 proportional set size for everything else. */ |
| public int otherPss; |
| /** The private dirty pages used by everything else. */ |
| public int otherPrivateDirty; |
| /** The shared dirty pages used by everything else. */ |
| public int otherSharedDirty; |
| } |
| |
| |
| /** |
| * 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(); |
| } |
| |
| /** |
| * 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 PrintWriter(new OutputStreamWriter(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 PrintWriter(new OutputStreamWriter(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. See <a |
| href="{@docRoot}reference/traceview.html">Running the Traceview Debugging Program</a> for |
| * information about reading these files. Call stopMethodTracing() to stop |
| * tracing. |
| */ |
| public static void startMethodTracing() { |
| VMDebug.startMethodTracing(DEFAULT_TRACE_FILE_PATH, 0, 0); |
| } |
| |
| /** |
| * Start method tracing, specifying the trace log file name. The trace |
| * file will be put under "/sdcard" unless an absolute path is given. |
| * See <a |
| href="{@docRoot}reference/traceview.html">Running the Traceview Debugging Program</a> for |
| * information about reading trace files. |
| * |
| * @param traceName Name for the trace log file to create. |
| * If no name argument is given, this value defaults to "/sdcard/dmtrace.trace". |
| * If the files already exist, they will be truncated. |
| * If the trace file given does not end in ".trace", it will be appended for you. |
| */ |
| public static void startMethodTracing(String traceName) { |
| startMethodTracing(traceName, 0, 0); |
| } |
| |
| /** |
| * Start method tracing, specifying the trace log file name and the |
| * buffer size. The trace files will be put under "/sdcard" unless an |
| * absolute path is given. See <a |
| href="{@docRoot}reference/traceview.html">Running the Traceview Debugging Program</a> for |
| * information about reading trace files. |
| * @param traceName Name for the trace log file to create. |
| * If no name argument is given, this value defaults to "/sdcard/dmtrace.trace". |
| * If the files already exist, they will be truncated. |
| * If the trace file 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 traceName, int bufferSize) { |
| startMethodTracing(traceName, bufferSize, 0); |
| } |
| |
| /** |
| * Start method tracing, specifying the trace log file name and the |
| * buffer size. The trace files will be put under "/sdcard" unless an |
| * absolute path is given. See <a |
| href="{@docRoot}reference/traceview.html">Running the Traceview Debugging Program</a> for |
| * information about reading trace files. |
| * |
| * <p> |
| * 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 "native" tracing |
| * in the emulator via {@link #startNativeTracing()}. |
| * </p> |
| * |
| * @param traceName Name for the trace log file to create. |
| * If no name argument is given, this value defaults to "/sdcard/dmtrace.trace". |
| * If the files already exist, they will be truncated. |
| * If the trace file 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 traceName, int bufferSize, |
| int flags) { |
| |
| String pathName = traceName; |
| if (pathName.charAt(0) != '/') |
| pathName = DEFAULT_TRACE_PATH_PREFIX + pathName; |
| if (!pathName.endsWith(DEFAULT_TRACE_EXTENSION)) |
| pathName = pathName + DEFAULT_TRACE_EXTENSION; |
| |
| VMDebug.startMethodTracing(pathName, bufferSize, flags); |
| } |
| |
| /** |
| * 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(); |
| } |
| |
| /** |
| * Count the number and aggregate size of memory allocations between |
| * two points. |
| * |
| * The "start" function resets the counts and enables counting. The |
| * "stop" function disables the counting so that the analysis code |
| * doesn't cause additional allocations. The "get" function returns |
| * the specified value. |
| * |
| * Counts are kept for the system as a whole and for each thread. |
| * The per-thread counts for threads other than the current thread |
| * are not cleared by the "reset" or "start" calls. |
| */ |
| public static void startAllocCounting() { |
| VMDebug.startAllocCounting(); |
| } |
| public static void stopAllocCounting() { |
| VMDebug.stopAllocCounting(); |
| } |
| |
| public static int getGlobalAllocCount() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_ALLOCATED_OBJECTS); |
| } |
| public static int getGlobalAllocSize() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_ALLOCATED_BYTES); |
| } |
| public static int getGlobalFreedCount() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_FREED_OBJECTS); |
| } |
| public static int getGlobalFreedSize() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_FREED_BYTES); |
| } |
| public static int getGlobalExternalAllocCount() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_EXT_ALLOCATED_OBJECTS); |
| } |
| public static int getGlobalExternalAllocSize() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_EXT_ALLOCATED_BYTES); |
| } |
| public static int getGlobalExternalFreedCount() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_EXT_FREED_OBJECTS); |
| } |
| public static int getGlobalExternalFreedSize() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_EXT_FREED_BYTES); |
| } |
| public static int getGlobalGcInvocationCount() { |
| return VMDebug.getAllocCount(VMDebug.KIND_GLOBAL_GC_INVOCATIONS); |
| } |
| public static int getThreadAllocCount() { |
| return VMDebug.getAllocCount(VMDebug.KIND_THREAD_ALLOCATED_OBJECTS); |
| } |
| public static int getThreadAllocSize() { |
| return VMDebug.getAllocCount(VMDebug.KIND_THREAD_ALLOCATED_BYTES); |
| } |
| public static int getThreadExternalAllocCount() { |
| return VMDebug.getAllocCount(VMDebug.KIND_THREAD_EXT_ALLOCATED_OBJECTS); |
| } |
| public static int getThreadExternalAllocSize() { |
| return VMDebug.getAllocCount(VMDebug.KIND_THREAD_EXT_ALLOCATED_BYTES); |
| } |
| public static int getThreadGcInvocationCount() { |
| return VMDebug.getAllocCount(VMDebug.KIND_THREAD_GC_INVOCATIONS); |
| } |
| |
| public static void resetGlobalAllocCount() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_ALLOCATED_OBJECTS); |
| } |
| public static void resetGlobalAllocSize() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_ALLOCATED_BYTES); |
| } |
| public static void resetGlobalFreedCount() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_FREED_OBJECTS); |
| } |
| public static void resetGlobalFreedSize() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_FREED_BYTES); |
| } |
| public static void resetGlobalExternalAllocCount() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_EXT_ALLOCATED_OBJECTS); |
| } |
| public static void resetGlobalExternalAllocSize() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_EXT_ALLOCATED_BYTES); |
| } |
| public static void resetGlobalExternalFreedCount() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_EXT_FREED_OBJECTS); |
| } |
| public static void resetGlobalExternalFreedSize() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_EXT_FREED_BYTES); |
| } |
| public static void resetGlobalGcInvocationCount() { |
| VMDebug.resetAllocCount(VMDebug.KIND_GLOBAL_GC_INVOCATIONS); |
| } |
| public static void resetThreadAllocCount() { |
| VMDebug.resetAllocCount(VMDebug.KIND_THREAD_ALLOCATED_OBJECTS); |
| } |
| public static void resetThreadAllocSize() { |
| VMDebug.resetAllocCount(VMDebug.KIND_THREAD_ALLOCATED_BYTES); |
| } |
| public static void resetThreadExternalAllocCount() { |
| VMDebug.resetAllocCount(VMDebug.KIND_THREAD_EXT_ALLOCATED_OBJECTS); |
| } |
| public static void resetThreadExternalAllocSize() { |
| VMDebug.resetAllocCount(VMDebug.KIND_THREAD_EXT_ALLOCATED_BYTES); |
| } |
| public static void resetThreadGcInvocationCount() { |
| VMDebug.resetAllocCount(VMDebug.KIND_THREAD_GC_INVOCATIONS); |
| } |
| public static void resetAllCounts() { |
| VMDebug.resetAllocCount(VMDebug.KIND_ALL_COUNTS); |
| } |
| |
| /** |
| * 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 dalivk, the native heap, and everything else. |
| */ |
| public static native void getMemoryInfo(MemoryInfo memoryInfo); |
| |
| /** |
| * Establish an object allocation limit in the current thread. Useful |
| * for catching regressions in code that is expected to operate |
| * without causing any allocations. |
| * |
| * Pass in the maximum number of allowed allocations. Use -1 to disable |
| * the limit. Returns the previous limit. |
| * |
| * The preferred way to use this is: |
| * |
| * int prevLimit = -1; |
| * try { |
| * prevLimit = Debug.setAllocationLimit(0); |
| * ... do stuff that's not expected to allocate memory ... |
| * } finally { |
| * Debug.setAllocationLimit(prevLimit); |
| * } |
| * |
| * This allows limits to be nested. The try/finally ensures that the |
| * limit is reset if something fails. |
| * |
| * Exceeding the limit causes a dalvik.system.AllocationLimitError to |
| * be thrown from a memory allocation call. The limit is reset to -1 |
| * when this happens. |
| * |
| * The feature may be disabled in the VM configuration. If so, this |
| * call has no effect, and always returns -1. |
| */ |
| public static int setAllocationLimit(int limit) { |
| return VMDebug.setAllocationLimit(limit); |
| } |
| |
| /** |
| * Establish a global object allocation limit. This is similar to |
| * {@link #setAllocationLimit(int)} but applies to all threads in |
| * the VM. It will coexist peacefully with per-thread limits. |
| * |
| * [ The value of "limit" is currently restricted to 0 (no allocations |
| * allowed) or -1 (no global limit). This may be changed in a future |
| * release. ] |
| */ |
| public static int setGlobalAllocationLimit(int limit) { |
| if (limit != 0 && limit != -1) |
| throw new IllegalArgumentException("limit must be 0 or -1"); |
| return VMDebug.setGlobalAllocationLimit(limit); |
| } |
| |
| /** |
| * 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(); |
| } |
| |
| /** |
| * 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(); |
| |
| /** |
| * API for gathering and querying instruction counts. |
| * |
| * Example usage: |
| * 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()); |
| * } |
| */ |
| public static class InstructionCount { |
| private static final int NUM_INSTR = 256; |
| |
| 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; |
| |
| //count += mCounts[Opcodes.OP_EXECUTE_INLINE]; |
| count += mCounts[Opcodes.OP_INVOKE_VIRTUAL]; |
| count += mCounts[Opcodes.OP_INVOKE_SUPER]; |
| count += mCounts[Opcodes.OP_INVOKE_DIRECT]; |
| count += mCounts[Opcodes.OP_INVOKE_STATIC]; |
| count += mCounts[Opcodes.OP_INVOKE_INTERFACE]; |
| count += mCounts[Opcodes.OP_INVOKE_VIRTUAL_RANGE]; |
| count += mCounts[Opcodes.OP_INVOKE_SUPER_RANGE]; |
| count += mCounts[Opcodes.OP_INVOKE_DIRECT_RANGE]; |
| count += mCounts[Opcodes.OP_INVOKE_STATIC_RANGE]; |
| count += mCounts[Opcodes.OP_INVOKE_INTERFACE_RANGE]; |
| //count += mCounts[Opcodes.OP_INVOKE_DIRECT_EMPTY]; |
| count += mCounts[Opcodes.OP_INVOKE_VIRTUAL_QUICK]; |
| count += mCounts[Opcodes.OP_INVOKE_VIRTUAL_QUICK_RANGE]; |
| count += mCounts[Opcodes.OP_INVOKE_SUPER_QUICK]; |
| count += mCounts[Opcodes.OP_INVOKE_SUPER_QUICK_RANGE]; |
| return count; |
| } |
| }; |
| } |
