dalvik_system_VMDebug.cc revision 7410f29b4dae223befac036ea567d7f33351dad1
19d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes/* 29d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * Copyright (C) 2008 The Android Open Source Project 39d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * 49d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 59d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * you may not use this file except in compliance with the License. 69d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * You may obtain a copy of the License at 79d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * 89d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 99d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * 109d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * Unless required by applicable law or agreed to in writing, software 119d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 129d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * See the License for the specific language governing permissions and 149d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * limitations under the License. 159d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes */ 169d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 17eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include <string.h> 18eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include <unistd.h> 19eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes 209d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes#include "class_linker.h" 2162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers#include "common_throws.h" 22872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include "debugger.h" 237410f29b4dae223befac036ea567d7f33351dad1Mathieu Chartier#include "gc/space/bump_pointer_space.h" 2409b07a96094086e205948717666025909a75163bHiroshi Yamauchi#include "gc/space/dlmalloc_space.h" 2509b07a96094086e205948717666025909a75163bHiroshi Yamauchi#include "gc/space/large_object_space.h" 2609b07a96094086e205948717666025909a75163bHiroshi Yamauchi#include "gc/space/space-inl.h" 271121e0b619d0c9df36c57396b2234a9d570b4923Jesse Wilson#include "hprof/hprof.h" 28eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include "jni_internal.h" 292dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class.h" 309d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes#include "ScopedUtfChars.h" 3100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers#include "scoped_thread_state_change.h" 329d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes#include "toStringArray.h" 33eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include "trace.h" 349d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 359d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughesnamespace art { 369d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 370512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jobjectArray VMDebug_getVmFeatureList(JNIEnv* env, jclass) { 389d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes std::vector<std::string> features; 39e343b76af81a005ef64f5e75a555389fd9147dabjeffhao features.push_back("method-trace-profiling"); 40e343b76af81a005ef64f5e75a555389fd9147dabjeffhao features.push_back("method-trace-profiling-streaming"); 4123009dca63c1699e28bfeaa8b45ca48fa0e86aceJeff Hao features.push_back("method-sample-profiling"); 42767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes features.push_back("hprof-heap-dump"); 43767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes features.push_back("hprof-heap-dump-streaming"); 449d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return toStringArray(env, features); 459d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 469d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 470512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_startAllocCounting(JNIEnv*, jclass) { 489d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes Runtime::Current()->SetStatsEnabled(true); 499d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 509d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 510512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_stopAllocCounting(JNIEnv*, jclass) { 529d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes Runtime::Current()->SetStatsEnabled(false); 539d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 549d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 551bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughesstatic jint VMDebug_getAllocCount(JNIEnv*, jclass, jint kind) { 569d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return Runtime::Current()->GetStat(kind); 579d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 589d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 590512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_resetAllocCount(JNIEnv*, jclass, jint kinds) { 609d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes Runtime::Current()->ResetStats(kinds); 619d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 629d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 6323009dca63c1699e28bfeaa8b45ca48fa0e86aceJeff Haostatic void VMDebug_startMethodTracingDdmsImpl(JNIEnv*, jclass, jint bufferSize, jint flags, 6423009dca63c1699e28bfeaa8b45ca48fa0e86aceJeff Hao jboolean samplingEnabled, jint intervalUs) { 6523009dca63c1699e28bfeaa8b45ca48fa0e86aceJeff Hao Trace::Start("[DDMS]", -1, bufferSize, flags, true, samplingEnabled, intervalUs); 669d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 679d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 6800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic void VMDebug_startMethodTracingFd(JNIEnv* env, jclass, jstring javaTraceFilename, 6900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers jobject javaFd, jint bufferSize, jint flags) { 709d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes int originalFd = jniGetFDFromFileDescriptor(env, javaFd); 719d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes if (originalFd < 0) { 729d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return; 739d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 749d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 759d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes int fd = dup(originalFd); 769d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes if (fd < 0) { 7700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 7862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation throw_location = soa.Self()->GetCurrentLocationForThrow(); 7962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ThrowNewExceptionF(throw_location, "Ljava/lang/RuntimeException;", 8062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers "dup(%d) failed: %s", originalFd, strerror(errno)); 819d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return; 829d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 839d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 849d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes ScopedUtfChars traceFilename(env, javaTraceFilename); 859d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes if (traceFilename.c_str() == NULL) { 869d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return; 879d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 8823009dca63c1699e28bfeaa8b45ca48fa0e86aceJeff Hao Trace::Start(traceFilename.c_str(), fd, bufferSize, flags, false, false, 0); 899d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 909d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 9100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic void VMDebug_startMethodTracingFilename(JNIEnv* env, jclass, jstring javaTraceFilename, 9200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers jint bufferSize, jint flags) { 939d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes ScopedUtfChars traceFilename(env, javaTraceFilename); 949d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes if (traceFilename.c_str() == NULL) { 959d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return; 969d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 9723009dca63c1699e28bfeaa8b45ca48fa0e86aceJeff Hao Trace::Start(traceFilename.c_str(), -1, bufferSize, flags, false, false, 0); 989d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 999d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 10064caa7dcf46ed6139b766dbe77fbd7353899417fJeff Haostatic jint VMDebug_getMethodTracingMode(JNIEnv*, jclass) { 10164caa7dcf46ed6139b766dbe77fbd7353899417fJeff Hao return Trace::GetMethodTracingMode(); 1029d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1039d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1040512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_stopMethodTracing(JNIEnv*, jclass) { 105e343b76af81a005ef64f5e75a555389fd9147dabjeffhao Trace::Stop(); 1069d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1079d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1080512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_startEmulatorTracing(JNIEnv*, jclass) { 1099d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes UNIMPLEMENTED(WARNING); 1107934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom // dvmEmulatorTraceStart(); 1119d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1129d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1130512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_stopEmulatorTracing(JNIEnv*, jclass) { 1149d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes UNIMPLEMENTED(WARNING); 1157934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom // dvmEmulatorTraceStop(); 1169d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1179d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1180512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jboolean VMDebug_isDebuggerConnected(JNIEnv*, jclass) { 119c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes return Dbg::IsDebuggerActive(); 1209d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1219d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1220512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jboolean VMDebug_isDebuggingEnabled(JNIEnv*, jclass) { 123c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes return Dbg::IsJdwpConfigured(); 1249d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1259d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1260512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jlong VMDebug_lastDebuggerActivity(JNIEnv*, jclass) { 127872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return Dbg::LastDebuggerActivity(); 1289d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1299d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 13062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersstatic void ThrowUnsupportedOperationException(JNIEnv* env) { 13100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 13262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation throw_location = soa.Self()->GetCurrentLocationForThrow(); 13362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ThrowNewException(throw_location, "Ljava/lang/UnsupportedOperationException;", NULL); 13462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} 13562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 13662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersstatic void VMDebug_startInstructionCounting(JNIEnv* env, jclass) { 13762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowUnsupportedOperationException(env); 1389d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1399d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 14000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic void VMDebug_stopInstructionCounting(JNIEnv* env, jclass) { 14162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowUnsupportedOperationException(env); 1429d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1439d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 14400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic void VMDebug_getInstructionCount(JNIEnv* env, jclass, jintArray /*javaCounts*/) { 14562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowUnsupportedOperationException(env); 1469d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1479d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 14800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic void VMDebug_resetInstructionCount(JNIEnv* env, jclass) { 14962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowUnsupportedOperationException(env); 1509d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1519d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 15200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic void VMDebug_printLoadedClasses(JNIEnv* env, jclass, jint flags) { 15300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 1549d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return Runtime::Current()->GetClassLinker()->DumpAllClasses(flags); 1559d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1569d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1577dfb28c066159e6cde8181720f0c451a700ef966Ian Rogersstatic jint VMDebug_getLoadedClassCount(JNIEnv* env, jclass) { 1587dfb28c066159e6cde8181720f0c451a700ef966Ian Rogers ScopedObjectAccess soa(env); 1599d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return Runtime::Current()->GetClassLinker()->NumLoadedClasses(); 1609d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1619d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1629d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes/* 1639d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * Returns the thread-specific CPU-time clock value for the current thread, 1649d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * or -1 if the feature isn't supported. 1659d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes */ 1660512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jlong VMDebug_threadCpuTimeNanos(JNIEnv*, jclass) { 1670512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughes return ThreadCpuNanoTime(); 1689d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1699d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1709d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes/* 1719d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * static void dumpHprofData(String fileName, FileDescriptor fd) 1729d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * 1739d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * Cause "hprof" data to be dumped. We can throw an IOException if an 1749d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * error occurs during file handling. 1759d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes */ 1760512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_dumpHprofData(JNIEnv* env, jclass, jstring javaFilename, jobject javaFd) { 1779d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes // Only one of these may be NULL. 1789d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes if (javaFilename == NULL && javaFd == NULL) { 17900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 18062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowNullPointerException(NULL, "fileName == null && fd == null"); 1819d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return; 1829d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 1839d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1849d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes std::string filename; 1859d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes if (javaFilename != NULL) { 1869d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes ScopedUtfChars chars(env, javaFilename); 1879d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes if (env->ExceptionCheck()) { 1889d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return; 1899d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 1909d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes filename = chars.c_str(); 1919d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } else { 1929d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes filename = "[fd]"; 1939d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 1949d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1959d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes int fd = -1; 1969d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes if (javaFd != NULL) { 1979d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes fd = jniGetFDFromFileDescriptor(env, javaFd); 1989d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes if (fd < 0) { 19900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 20062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowRuntimeException("Invalid file descriptor"); 2019d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return; 2029d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 2039d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 2049d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 205622a6988351d77da0008142f4ce1ea447d838556Elliott Hughes hprof::DumpHeap(filename.c_str(), fd, false); 2069d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 2079d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 208eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughesstatic void VMDebug_dumpHprofDataDdms(JNIEnv*, jclass) { 209622a6988351d77da0008142f4ce1ea447d838556Elliott Hughes hprof::DumpHeap("[DDMS]", -1, true); 2109d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 2119d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 2120512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_dumpReferenceTables(JNIEnv* env, jclass) { 21300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 2149d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes LOG(INFO) << "--- reference table dump ---"; 2159d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 21600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers soa.Env()->DumpReferenceTables(LOG(INFO)); 21700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers soa.Vm()->DumpReferenceTables(LOG(INFO)); 2189d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 2199d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes LOG(INFO) << "---"; 2209d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 2219d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 2220512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_crash(JNIEnv*, jclass) { 22381ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes LOG(FATAL) << "Crashing runtime on request"; 2249d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 2259d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 2260512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_infopoint(JNIEnv*, jclass, jint id) { 2279d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes LOG(INFO) << "VMDebug infopoint " << id << " hit"; 2289d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 2299d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 23000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic jlong VMDebug_countInstancesOfClass(JNIEnv* env, jclass, jclass javaClass, 23100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers jboolean countAssignable) { 23200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 2332dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = soa.Decode<mirror::Class*>(javaClass); 2349d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes if (c == NULL) { 2359d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return 0; 2369d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 2372dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Class*> classes; 238ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes classes.push_back(c); 239ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes uint64_t count = 0; 240ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes Runtime::Current()->GetHeap()->CountInstances(classes, countAssignable, &count); 241ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes return count; 2429d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 2439d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 24409b07a96094086e205948717666025909a75163bHiroshi Yamauchi// We export the VM internal per-heap-space size/alloc/free metrics 24509b07a96094086e205948717666025909a75163bHiroshi Yamauchi// for the zygote space, alloc space (application heap), and the large 24609b07a96094086e205948717666025909a75163bHiroshi Yamauchi// object space for dumpsys meminfo. The other memory region data such 24709b07a96094086e205948717666025909a75163bHiroshi Yamauchi// as PSS, private/shared dirty/shared data are available via 24809b07a96094086e205948717666025909a75163bHiroshi Yamauchi// /proc/<pid>/smaps. 24909b07a96094086e205948717666025909a75163bHiroshi Yamauchistatic void VMDebug_getHeapSpaceStats(JNIEnv* env, jclass, jlongArray data) { 2506b99dd10d8a4869bbf7e9263a350185e5ebe32e4Ian Rogers jlong* arr = reinterpret_cast<jlong*>(env->GetPrimitiveArrayCritical(data, 0)); 2517410f29b4dae223befac036ea567d7f33351dad1Mathieu Chartier if (arr == nullptr || env->GetArrayLength(data) < 9) { 25209b07a96094086e205948717666025909a75163bHiroshi Yamauchi return; 25309b07a96094086e205948717666025909a75163bHiroshi Yamauchi } 25409b07a96094086e205948717666025909a75163bHiroshi Yamauchi 25509b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t allocSize = 0; 25609b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t allocUsed = 0; 25709b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t zygoteSize = 0; 25809b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t zygoteUsed = 0; 25909b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t largeObjectsSize = 0; 26009b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t largeObjectsUsed = 0; 26109b07a96094086e205948717666025909a75163bHiroshi Yamauchi gc::Heap* heap = Runtime::Current()->GetHeap(); 2627410f29b4dae223befac036ea567d7f33351dad1Mathieu Chartier for (gc::space::ContinuousSpace* space : heap->GetContinuousSpaces()) { 26309b07a96094086e205948717666025909a75163bHiroshi Yamauchi if (space->IsImageSpace()) { 26409b07a96094086e205948717666025909a75163bHiroshi Yamauchi // Currently don't include the image space. 26509b07a96094086e205948717666025909a75163bHiroshi Yamauchi } else if (space->IsZygoteSpace()) { 266cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi gc::space::MallocSpace* malloc_space = space->AsMallocSpace(); 267cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi zygoteSize += malloc_space->GetFootprint(); 268cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi zygoteUsed += malloc_space->GetBytesAllocated(); 2697410f29b4dae223befac036ea567d7f33351dad1Mathieu Chartier } else if (space->IsMallocSpace()) { 2707410f29b4dae223befac036ea567d7f33351dad1Mathieu Chartier // This is a malloc space. 271cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi gc::space::MallocSpace* malloc_space = space->AsMallocSpace(); 272cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi allocSize += malloc_space->GetFootprint(); 273cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi allocUsed += malloc_space->GetBytesAllocated(); 2747410f29b4dae223befac036ea567d7f33351dad1Mathieu Chartier } else if (space->IsBumpPointerSpace()) { 2757410f29b4dae223befac036ea567d7f33351dad1Mathieu Chartier gc::space::BumpPointerSpace* bump_pointer_space = space->AsBumpPointerSpace(); 2767410f29b4dae223befac036ea567d7f33351dad1Mathieu Chartier allocSize += bump_pointer_space->Size(); 2777410f29b4dae223befac036ea567d7f33351dad1Mathieu Chartier allocUsed += bump_pointer_space->GetBytesAllocated(); 27809b07a96094086e205948717666025909a75163bHiroshi Yamauchi } 27909b07a96094086e205948717666025909a75163bHiroshi Yamauchi } 2807410f29b4dae223befac036ea567d7f33351dad1Mathieu Chartier for (gc::space::DiscontinuousSpace* space : heap->GetDiscontinuousSpaces()) { 28109b07a96094086e205948717666025909a75163bHiroshi Yamauchi if (space->IsLargeObjectSpace()) { 28209b07a96094086e205948717666025909a75163bHiroshi Yamauchi largeObjectsSize += space->AsLargeObjectSpace()->GetBytesAllocated(); 28309b07a96094086e205948717666025909a75163bHiroshi Yamauchi largeObjectsUsed += largeObjectsSize; 28409b07a96094086e205948717666025909a75163bHiroshi Yamauchi } 28509b07a96094086e205948717666025909a75163bHiroshi Yamauchi } 28609b07a96094086e205948717666025909a75163bHiroshi Yamauchi 28709b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t allocFree = allocSize - allocUsed; 28809b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t zygoteFree = zygoteSize - zygoteUsed; 28909b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t largeObjectsFree = largeObjectsSize - largeObjectsUsed; 29009b07a96094086e205948717666025909a75163bHiroshi Yamauchi 29109b07a96094086e205948717666025909a75163bHiroshi Yamauchi int j = 0; 29209b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = allocSize; 29309b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = allocUsed; 29409b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = allocFree; 29509b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = zygoteSize; 29609b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = zygoteUsed; 29709b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = zygoteFree; 29809b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = largeObjectsSize; 29909b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = largeObjectsUsed; 30009b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = largeObjectsFree; 30109b07a96094086e205948717666025909a75163bHiroshi Yamauchi env->ReleasePrimitiveArrayCritical(data, arr, 0); 30209b07a96094086e205948717666025909a75163bHiroshi Yamauchi} 30309b07a96094086e205948717666025909a75163bHiroshi Yamauchi 3040512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic JNINativeMethod gMethods[] = { 3059d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, countInstancesOfClass, "(Ljava/lang/Class;Z)J"), 3069d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, crash, "()V"), 3079d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, dumpHprofData, "(Ljava/lang/String;Ljava/io/FileDescriptor;)V"), 3089d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, dumpHprofDataDdms, "()V"), 3099d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, dumpReferenceTables, "()V"), 3109d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, getAllocCount, "(I)I"), 31109b07a96094086e205948717666025909a75163bHiroshi Yamauchi NATIVE_METHOD(VMDebug, getHeapSpaceStats, "([J)V"), 3129d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, getInstructionCount, "([I)V"), 3139d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, getLoadedClassCount, "()I"), 3149d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, getVmFeatureList, "()[Ljava/lang/String;"), 3159d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, infopoint, "(I)V"), 3169d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, isDebuggerConnected, "()Z"), 3179d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, isDebuggingEnabled, "()Z"), 31864caa7dcf46ed6139b766dbe77fbd7353899417fJeff Hao NATIVE_METHOD(VMDebug, getMethodTracingMode, "()I"), 3199d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, lastDebuggerActivity, "()J"), 3209d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, printLoadedClasses, "(I)V"), 3219d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, resetAllocCount, "(I)V"), 3229d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, resetInstructionCount, "()V"), 3239d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, startAllocCounting, "()V"), 3249d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, startEmulatorTracing, "()V"), 3259d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, startInstructionCounting, "()V"), 32623009dca63c1699e28bfeaa8b45ca48fa0e86aceJeff Hao NATIVE_METHOD(VMDebug, startMethodTracingDdmsImpl, "(IIZI)V"), 3279d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, startMethodTracingFd, "(Ljava/lang/String;Ljava/io/FileDescriptor;II)V"), 3289d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, startMethodTracingFilename, "(Ljava/lang/String;II)V"), 3299d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, stopAllocCounting, "()V"), 3309d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, stopEmulatorTracing, "()V"), 3319d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, stopInstructionCounting, "()V"), 3329d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, stopMethodTracing, "()V"), 3339d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, threadCpuTimeNanos, "()J"), 3349d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes}; 3359d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 3369d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughesvoid register_dalvik_system_VMDebug(JNIEnv* env) { 337eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes REGISTER_NATIVE_METHODS("dalvik/system/VMDebug"); 3389d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 3399d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 3409d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} // namespace art 341