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 17277ccbd200ea43590dfc06a93ae184a765327ad0Andreas Gampe#include "dalvik_system_VMDebug.h" 18277ccbd200ea43590dfc06a93ae184a765327ad0Andreas Gampe 19eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include <string.h> 20eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include <unistd.h> 21eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes 22a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi#include <sstream> 23a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi 24a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi#include "base/histogram-inl.h" 2580afd02024d20e60b197d3adfbb43cc303cf29e0Vladimir Marko#include "base/time_utils.h" 269d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes#include "class_linker.h" 2762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers#include "common_throws.h" 28872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include "debugger.h" 297410f29b4dae223befac036ea567d7f33351dad1Mathieu Chartier#include "gc/space/bump_pointer_space.h" 3009b07a96094086e205948717666025909a75163bHiroshi Yamauchi#include "gc/space/dlmalloc_space.h" 3109b07a96094086e205948717666025909a75163bHiroshi Yamauchi#include "gc/space/large_object_space.h" 3209b07a96094086e205948717666025909a75163bHiroshi Yamauchi#include "gc/space/space-inl.h" 331f3b5358b28a83f0929bdd8ce738f06908677fb7Mathieu Chartier#include "gc/space/zygote_space.h" 341121e0b619d0c9df36c57396b2234a9d570b4923Jesse Wilson#include "hprof/hprof.h" 35eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include "jni_internal.h" 362dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class.h" 37dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers#include "ScopedLocalRef.h" 389d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes#include "ScopedUtfChars.h" 3953b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers#include "scoped_fast_native_object_access.h" 40eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include "trace.h" 41dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers#include "well_known_classes.h" 429d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 439d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughesnamespace art { 449d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 450512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jobjectArray VMDebug_getVmFeatureList(JNIEnv* env, jclass) { 46dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers static const char* features[] = { 47dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers "method-trace-profiling", 48dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers "method-trace-profiling-streaming", 49dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers "method-sample-profiling", 50dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers "hprof-heap-dump", 51dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers "hprof-heap-dump-streaming", 52dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers }; 53dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers jobjectArray result = env->NewObjectArray(arraysize(features), 54dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers WellKnownClasses::java_lang_String, 55dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers nullptr); 56dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers if (result != nullptr) { 57dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers for (size_t i = 0; i < arraysize(features); ++i) { 58dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers ScopedLocalRef<jstring> jfeature(env, env->NewStringUTF(features[i])); 59dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers if (jfeature.get() == nullptr) { 60dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers return nullptr; 61dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers } 62dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers env->SetObjectArrayElement(result, i, jfeature.get()); 63dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers } 64dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers } 65dd157d732b557a854b3689faf8a24170fb47c270Ian Rogers return result; 669d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 679d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 680512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_startAllocCounting(JNIEnv*, jclass) { 699ef78b59da51080882e47505896b420977fd79aeMathieu Chartier Runtime::Current()->SetStatsEnabled(true); 709d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 719d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 720512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_stopAllocCounting(JNIEnv*, jclass) { 739ef78b59da51080882e47505896b420977fd79aeMathieu Chartier Runtime::Current()->SetStatsEnabled(false); 749d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 759d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 761bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughesstatic jint VMDebug_getAllocCount(JNIEnv*, jclass, jint kind) { 779d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return Runtime::Current()->GetStat(kind); 789d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 799d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 800512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_resetAllocCount(JNIEnv*, jclass, jint kinds) { 819d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes Runtime::Current()->ResetStats(kinds); 829d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 839d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 8423009dca63c1699e28bfeaa8b45ca48fa0e86aceJeff Haostatic void VMDebug_startMethodTracingDdmsImpl(JNIEnv*, jclass, jint bufferSize, jint flags, 8523009dca63c1699e28bfeaa8b45ca48fa0e86aceJeff Hao jboolean samplingEnabled, jint intervalUs) { 867e7e0f47628fb358da70c5e2766545c4f0596235Andreas Gampe Trace::Start("[DDMS]", -1, bufferSize, flags, Trace::TraceOutputMode::kDDMS, 877e7e0f47628fb358da70c5e2766545c4f0596235Andreas Gampe samplingEnabled ? Trace::TraceMode::kSampling : Trace::TraceMode::kMethodTracing, 887e7e0f47628fb358da70c5e2766545c4f0596235Andreas Gampe intervalUs); 899d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 909d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 9100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic void VMDebug_startMethodTracingFd(JNIEnv* env, jclass, jstring javaTraceFilename, 924044bdac490777cbc8a12d467bec675ef8aa6eb1Jeff Hao jobject javaFd, jint bufferSize, jint flags, 934044bdac490777cbc8a12d467bec675ef8aa6eb1Jeff Hao jboolean samplingEnabled, jint intervalUs) { 949d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes int originalFd = jniGetFDFromFileDescriptor(env, javaFd); 959d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes if (originalFd < 0) { 969d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return; 979d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 989d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 999d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes int fd = dup(originalFd); 1009d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes if (fd < 0) { 10100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 1020aa50ce2fb75bfc2e815a0c33adf9b049561923bNicolas Geoffray soa.Self()->ThrowNewExceptionF("Ljava/lang/RuntimeException;", 10362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers "dup(%d) failed: %s", originalFd, strerror(errno)); 1049d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return; 1059d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 1069d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1079d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes ScopedUtfChars traceFilename(env, javaTraceFilename); 1082cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier if (traceFilename.c_str() == nullptr) { 1099d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return; 1109d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 1117e7e0f47628fb358da70c5e2766545c4f0596235Andreas Gampe Trace::Start(traceFilename.c_str(), fd, bufferSize, flags, Trace::TraceOutputMode::kFile, 1127e7e0f47628fb358da70c5e2766545c4f0596235Andreas Gampe samplingEnabled ? Trace::TraceMode::kSampling : Trace::TraceMode::kMethodTracing, 1137e7e0f47628fb358da70c5e2766545c4f0596235Andreas Gampe intervalUs); 1149d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1159d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 11600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic void VMDebug_startMethodTracingFilename(JNIEnv* env, jclass, jstring javaTraceFilename, 1174044bdac490777cbc8a12d467bec675ef8aa6eb1Jeff Hao jint bufferSize, jint flags, 1184044bdac490777cbc8a12d467bec675ef8aa6eb1Jeff Hao jboolean samplingEnabled, jint intervalUs) { 1199d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes ScopedUtfChars traceFilename(env, javaTraceFilename); 1202cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier if (traceFilename.c_str() == nullptr) { 1219d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return; 1229d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 1237e7e0f47628fb358da70c5e2766545c4f0596235Andreas Gampe Trace::Start(traceFilename.c_str(), -1, bufferSize, flags, Trace::TraceOutputMode::kFile, 1247e7e0f47628fb358da70c5e2766545c4f0596235Andreas Gampe samplingEnabled ? Trace::TraceMode::kSampling : Trace::TraceMode::kMethodTracing, 1257e7e0f47628fb358da70c5e2766545c4f0596235Andreas Gampe intervalUs); 1269d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1279d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 12864caa7dcf46ed6139b766dbe77fbd7353899417fJeff Haostatic jint VMDebug_getMethodTracingMode(JNIEnv*, jclass) { 12964caa7dcf46ed6139b766dbe77fbd7353899417fJeff Hao return Trace::GetMethodTracingMode(); 1309d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1319d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1320512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_stopMethodTracing(JNIEnv*, jclass) { 133e343b76af81a005ef64f5e75a555389fd9147dabjeffhao Trace::Stop(); 1349d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1359d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1360512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_startEmulatorTracing(JNIEnv*, jclass) { 1379d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes UNIMPLEMENTED(WARNING); 1387934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom // dvmEmulatorTraceStart(); 1399d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1409d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1410512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_stopEmulatorTracing(JNIEnv*, jclass) { 1429d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes UNIMPLEMENTED(WARNING); 1437934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom // dvmEmulatorTraceStop(); 1449d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1459d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1460512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jboolean VMDebug_isDebuggerConnected(JNIEnv*, jclass) { 147c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes return Dbg::IsDebuggerActive(); 1489d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1499d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1500512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jboolean VMDebug_isDebuggingEnabled(JNIEnv*, jclass) { 151c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes return Dbg::IsJdwpConfigured(); 1529d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1539d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1540512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jlong VMDebug_lastDebuggerActivity(JNIEnv*, jclass) { 155872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return Dbg::LastDebuggerActivity(); 1569d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1579d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 15862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersstatic void ThrowUnsupportedOperationException(JNIEnv* env) { 15900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 1602cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier soa.Self()->ThrowNewException("Ljava/lang/UnsupportedOperationException;", nullptr); 16162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} 16262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 16362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersstatic void VMDebug_startInstructionCounting(JNIEnv* env, jclass) { 16462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowUnsupportedOperationException(env); 1659d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1669d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 16700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic void VMDebug_stopInstructionCounting(JNIEnv* env, jclass) { 16862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowUnsupportedOperationException(env); 1699d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1709d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 17100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic void VMDebug_getInstructionCount(JNIEnv* env, jclass, jintArray /*javaCounts*/) { 17262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowUnsupportedOperationException(env); 1739d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1749d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 17500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic void VMDebug_resetInstructionCount(JNIEnv* env, jclass) { 17662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowUnsupportedOperationException(env); 1779d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1789d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 17900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic void VMDebug_printLoadedClasses(JNIEnv* env, jclass, jint flags) { 18053b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers ScopedFastNativeObjectAccess soa(env); 1819d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return Runtime::Current()->GetClassLinker()->DumpAllClasses(flags); 1829d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1839d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1847dfb28c066159e6cde8181720f0c451a700ef966Ian Rogersstatic jint VMDebug_getLoadedClassCount(JNIEnv* env, jclass) { 18553b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers ScopedFastNativeObjectAccess soa(env); 1869d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return Runtime::Current()->GetClassLinker()->NumLoadedClasses(); 1879d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1889d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1899d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes/* 1909d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * Returns the thread-specific CPU-time clock value for the current thread, 1919d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * or -1 if the feature isn't supported. 1929d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes */ 1930512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jlong VMDebug_threadCpuTimeNanos(JNIEnv*, jclass) { 1940512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughes return ThreadCpuNanoTime(); 1959d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 1969d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 1979d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes/* 1989d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * static void dumpHprofData(String fileName, FileDescriptor fd) 1999d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * 2009d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * Cause "hprof" data to be dumped. We can throw an IOException if an 2019d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes * error occurs during file handling. 2029d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes */ 2030512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_dumpHprofData(JNIEnv* env, jclass, jstring javaFilename, jobject javaFd) { 2042cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier // Only one of these may be null. 2052cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier if (javaFilename == nullptr && javaFd == nullptr) { 20600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 2070aa50ce2fb75bfc2e815a0c33adf9b049561923bNicolas Geoffray ThrowNullPointerException("fileName == null && fd == null"); 2089d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return; 2099d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 2109d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 2119d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes std::string filename; 2122cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier if (javaFilename != nullptr) { 2139d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes ScopedUtfChars chars(env, javaFilename); 2149d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes if (env->ExceptionCheck()) { 2159d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return; 2169d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 2179d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes filename = chars.c_str(); 2189d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } else { 2199d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes filename = "[fd]"; 2209d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 2219d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 2229d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes int fd = -1; 2232cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier if (javaFd != nullptr) { 2249d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes fd = jniGetFDFromFileDescriptor(env, javaFd); 2259d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes if (fd < 0) { 22600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 22762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowRuntimeException("Invalid file descriptor"); 2289d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return; 2299d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 2309d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 2319d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 232622a6988351d77da0008142f4ce1ea447d838556Elliott Hughes hprof::DumpHeap(filename.c_str(), fd, false); 2339d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 2349d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 235eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughesstatic void VMDebug_dumpHprofDataDdms(JNIEnv*, jclass) { 236622a6988351d77da0008142f4ce1ea447d838556Elliott Hughes hprof::DumpHeap("[DDMS]", -1, true); 2379d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 2389d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 2390512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_dumpReferenceTables(JNIEnv* env, jclass) { 24000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 2419d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes LOG(INFO) << "--- reference table dump ---"; 2429d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 24300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers soa.Env()->DumpReferenceTables(LOG(INFO)); 24400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers soa.Vm()->DumpReferenceTables(LOG(INFO)); 2459d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 2469d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes LOG(INFO) << "---"; 2479d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 2489d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 2490512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_crash(JNIEnv*, jclass) { 25081ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes LOG(FATAL) << "Crashing runtime on request"; 2519d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 2529d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 2530512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void VMDebug_infopoint(JNIEnv*, jclass, jint id) { 2549d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes LOG(INFO) << "VMDebug infopoint " << id << " hit"; 2559d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 2569d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 25700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic jlong VMDebug_countInstancesOfClass(JNIEnv* env, jclass, jclass javaClass, 25800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers jboolean countAssignable) { 25900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 260f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier gc::Heap* const heap = Runtime::Current()->GetHeap(); 261f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier // Caller's responsibility to do GC if desired. 2622dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = soa.Decode<mirror::Class*>(javaClass); 263412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (c == nullptr) { 2649d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes return 0; 2659d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes } 266f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier std::vector<mirror::Class*> classes {c}; 267ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes uint64_t count = 0; 268412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CountInstances(classes, countAssignable, &count); 269ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes return count; 2709d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 2719d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 272f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartierstatic jlongArray VMDebug_countInstancesOfClasses(JNIEnv* env, jclass, jobjectArray javaClasses, 273f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier jboolean countAssignable) { 274f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier ScopedObjectAccess soa(env); 275f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier gc::Heap* const heap = Runtime::Current()->GetHeap(); 276f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier // Caller's responsibility to do GC if desired. 277f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier auto* decoded_classes = soa.Decode<mirror::ObjectArray<mirror::Class>*>(javaClasses); 278f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier if (decoded_classes == nullptr) { 279f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier return nullptr; 280f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier } 281f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier std::vector<mirror::Class*> classes; 282f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier for (size_t i = 0, count = decoded_classes->GetLength(); i < count; ++i) { 283f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier classes.push_back(decoded_classes->Get(i)); 284f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier } 285f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier std::vector<uint64_t> counts(classes.size(), 0u); 286f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier // Heap::CountInstances can handle null and will put 0 for these classes. 287f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier heap->CountInstances(classes, countAssignable, &counts[0]); 288f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier auto* long_counts = mirror::LongArray::Alloc(soa.Self(), counts.size()); 289f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier if (long_counts == nullptr) { 290f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier soa.Self()->AssertPendingOOMException(); 291f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier return nullptr; 292f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier } 293f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier for (size_t i = 0; i < counts.size(); ++i) { 294f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier long_counts->Set(i, counts[i]); 295f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier } 296f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier return soa.AddLocalReference<jlongArray>(long_counts); 297f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier} 298f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier 29909b07a96094086e205948717666025909a75163bHiroshi Yamauchi// We export the VM internal per-heap-space size/alloc/free metrics 30009b07a96094086e205948717666025909a75163bHiroshi Yamauchi// for the zygote space, alloc space (application heap), and the large 30109b07a96094086e205948717666025909a75163bHiroshi Yamauchi// object space for dumpsys meminfo. The other memory region data such 30209b07a96094086e205948717666025909a75163bHiroshi Yamauchi// as PSS, private/shared dirty/shared data are available via 30309b07a96094086e205948717666025909a75163bHiroshi Yamauchi// /proc/<pid>/smaps. 30409b07a96094086e205948717666025909a75163bHiroshi Yamauchistatic void VMDebug_getHeapSpaceStats(JNIEnv* env, jclass, jlongArray data) { 3056b99dd10d8a4869bbf7e9263a350185e5ebe32e4Ian Rogers jlong* arr = reinterpret_cast<jlong*>(env->GetPrimitiveArrayCritical(data, 0)); 3067410f29b4dae223befac036ea567d7f33351dad1Mathieu Chartier if (arr == nullptr || env->GetArrayLength(data) < 9) { 30709b07a96094086e205948717666025909a75163bHiroshi Yamauchi return; 30809b07a96094086e205948717666025909a75163bHiroshi Yamauchi } 30909b07a96094086e205948717666025909a75163bHiroshi Yamauchi 31009b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t allocSize = 0; 31109b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t allocUsed = 0; 31209b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t zygoteSize = 0; 31309b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t zygoteUsed = 0; 31409b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t largeObjectsSize = 0; 31509b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t largeObjectsUsed = 0; 31609b07a96094086e205948717666025909a75163bHiroshi Yamauchi gc::Heap* heap = Runtime::Current()->GetHeap(); 317a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier { 318a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier ScopedObjectAccess soa(env); 319a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier for (gc::space::ContinuousSpace* space : heap->GetContinuousSpaces()) { 320a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier if (space->IsImageSpace()) { 321a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier // Currently don't include the image space. 322a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier } else if (space->IsZygoteSpace()) { 323a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier gc::space::ZygoteSpace* zygote_space = space->AsZygoteSpace(); 324a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier zygoteSize += zygote_space->Size(); 325a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier zygoteUsed += zygote_space->GetBytesAllocated(); 326a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier } else if (space->IsMallocSpace()) { 327a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier // This is a malloc space. 328a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier gc::space::MallocSpace* malloc_space = space->AsMallocSpace(); 329a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier allocSize += malloc_space->GetFootprint(); 330a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier allocUsed += malloc_space->GetBytesAllocated(); 331a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier } else if (space->IsBumpPointerSpace()) { 332a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier gc::space::BumpPointerSpace* bump_pointer_space = space->AsBumpPointerSpace(); 333a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier allocSize += bump_pointer_space->Size(); 334a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier allocUsed += bump_pointer_space->GetBytesAllocated(); 335a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier } 33609b07a96094086e205948717666025909a75163bHiroshi Yamauchi } 337a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier for (gc::space::DiscontinuousSpace* space : heap->GetDiscontinuousSpaces()) { 338a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier if (space->IsLargeObjectSpace()) { 339a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier largeObjectsSize += space->AsLargeObjectSpace()->GetBytesAllocated(); 340a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier largeObjectsUsed += largeObjectsSize; 341a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier } 34209b07a96094086e205948717666025909a75163bHiroshi Yamauchi } 34309b07a96094086e205948717666025909a75163bHiroshi Yamauchi } 34409b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t allocFree = allocSize - allocUsed; 34509b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t zygoteFree = zygoteSize - zygoteUsed; 34609b07a96094086e205948717666025909a75163bHiroshi Yamauchi size_t largeObjectsFree = largeObjectsSize - largeObjectsUsed; 34709b07a96094086e205948717666025909a75163bHiroshi Yamauchi 34809b07a96094086e205948717666025909a75163bHiroshi Yamauchi int j = 0; 34909b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = allocSize; 35009b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = allocUsed; 35109b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = allocFree; 35209b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = zygoteSize; 35309b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = zygoteUsed; 35409b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = zygoteFree; 35509b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = largeObjectsSize; 35609b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = largeObjectsUsed; 35709b07a96094086e205948717666025909a75163bHiroshi Yamauchi arr[j++] = largeObjectsFree; 35809b07a96094086e205948717666025909a75163bHiroshi Yamauchi env->ReleasePrimitiveArrayCritical(data, arr, 0); 35909b07a96094086e205948717666025909a75163bHiroshi Yamauchi} 36009b07a96094086e205948717666025909a75163bHiroshi Yamauchi 361a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi// The runtime stat names for VMDebug.getRuntimeStat(). 362a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchienum class VMDebugRuntimeStatId { 363a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi kArtGcGcCount = 0, 364a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi kArtGcGcTime, 365a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi kArtGcBytesAllocated, 366a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi kArtGcBytesFreed, 367a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi kArtGcBlockingGcCount, 368a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi kArtGcBlockingGcTime, 369a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi kArtGcGcCountRateHistogram, 370a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi kArtGcBlockingGcCountRateHistogram, 371a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi kNumRuntimeStats, 372a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi}; 373a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi 374a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchistatic jobject VMDebug_getRuntimeStatInternal(JNIEnv* env, jclass, jint statId) { 375a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi gc::Heap* heap = Runtime::Current()->GetHeap(); 376a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi switch (static_cast<VMDebugRuntimeStatId>(statId)) { 377a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi case VMDebugRuntimeStatId::kArtGcGcCount: { 378a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::string output = std::to_string(heap->GetGcCount()); 379a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return env->NewStringUTF(output.c_str()); 380a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 381a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi case VMDebugRuntimeStatId::kArtGcGcTime: { 382a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::string output = std::to_string(NsToMs(heap->GetGcTime())); 383a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return env->NewStringUTF(output.c_str()); 384a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 385a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi case VMDebugRuntimeStatId::kArtGcBytesAllocated: { 386a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::string output = std::to_string(heap->GetBytesAllocatedEver()); 387a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return env->NewStringUTF(output.c_str()); 388a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 389a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi case VMDebugRuntimeStatId::kArtGcBytesFreed: { 390a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::string output = std::to_string(heap->GetBytesFreedEver()); 391a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return env->NewStringUTF(output.c_str()); 392a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 393a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi case VMDebugRuntimeStatId::kArtGcBlockingGcCount: { 394a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::string output = std::to_string(heap->GetBlockingGcCount()); 395a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return env->NewStringUTF(output.c_str()); 396a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 397a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi case VMDebugRuntimeStatId::kArtGcBlockingGcTime: { 398a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::string output = std::to_string(NsToMs(heap->GetBlockingGcTime())); 399a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return env->NewStringUTF(output.c_str()); 400a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 401a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi case VMDebugRuntimeStatId::kArtGcGcCountRateHistogram: { 402a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::ostringstream output; 403a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi heap->DumpGcCountRateHistogram(output); 404a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return env->NewStringUTF(output.str().c_str()); 405a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 406a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi case VMDebugRuntimeStatId::kArtGcBlockingGcCountRateHistogram: { 407a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::ostringstream output; 408a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi heap->DumpBlockingGcCountRateHistogram(output); 409a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return env->NewStringUTF(output.str().c_str()); 410a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 411a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi default: 412a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return nullptr; 413a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 414a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi} 415a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi 416a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchistatic bool SetRuntimeStatValue(JNIEnv* env, jobjectArray result, VMDebugRuntimeStatId id, 417a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::string value) { 418a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi ScopedLocalRef<jstring> jvalue(env, env->NewStringUTF(value.c_str())); 419a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi if (jvalue.get() == nullptr) { 420a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return false; 421a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 422a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi env->SetObjectArrayElement(result, static_cast<jint>(id), jvalue.get()); 423a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return true; 424a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi} 425a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi 426a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchistatic jobjectArray VMDebug_getRuntimeStatsInternal(JNIEnv* env, jclass) { 427a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi jobjectArray result = env->NewObjectArray( 428a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi static_cast<jint>(VMDebugRuntimeStatId::kNumRuntimeStats), 429a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi WellKnownClasses::java_lang_String, 430a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi nullptr); 431a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi if (result == nullptr) { 432a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return nullptr; 433a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 434a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi gc::Heap* heap = Runtime::Current()->GetHeap(); 435a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi if (!SetRuntimeStatValue(env, result, VMDebugRuntimeStatId::kArtGcGcCount, 436a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::to_string(heap->GetGcCount()))) { 437a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return nullptr; 438a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 439a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi if (!SetRuntimeStatValue(env, result, VMDebugRuntimeStatId::kArtGcGcTime, 440a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::to_string(NsToMs(heap->GetGcTime())))) { 441a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return nullptr; 442a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 443a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi if (!SetRuntimeStatValue(env, result, VMDebugRuntimeStatId::kArtGcBytesAllocated, 444a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::to_string(heap->GetBytesAllocatedEver()))) { 445a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return nullptr; 446a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 447a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi if (!SetRuntimeStatValue(env, result, VMDebugRuntimeStatId::kArtGcBytesFreed, 448a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::to_string(heap->GetBytesFreedEver()))) { 449a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return nullptr; 450a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 451a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi if (!SetRuntimeStatValue(env, result, VMDebugRuntimeStatId::kArtGcBlockingGcCount, 452a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::to_string(heap->GetBlockingGcCount()))) { 453a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return nullptr; 454a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 455a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi if (!SetRuntimeStatValue(env, result, VMDebugRuntimeStatId::kArtGcBlockingGcTime, 456a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::to_string(NsToMs(heap->GetBlockingGcTime())))) { 457a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return nullptr; 458a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 459a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi { 460a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::ostringstream output; 461a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi heap->DumpGcCountRateHistogram(output); 462a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi if (!SetRuntimeStatValue(env, result, VMDebugRuntimeStatId::kArtGcGcCountRateHistogram, 463a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi output.str())) { 464a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return nullptr; 465a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 466a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 467a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi { 468a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi std::ostringstream output; 469a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi heap->DumpBlockingGcCountRateHistogram(output); 470a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi if (!SetRuntimeStatValue(env, result, VMDebugRuntimeStatId::kArtGcBlockingGcCountRateHistogram, 471a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi output.str())) { 472a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return nullptr; 473a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 474a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi } 475a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi return result; 476a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi} 477a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi 4780512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic JNINativeMethod gMethods[] = { 4799d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, countInstancesOfClass, "(Ljava/lang/Class;Z)J"), 480f1820850307f7c2940c758f1232e1c40888a111aMathieu Chartier NATIVE_METHOD(VMDebug, countInstancesOfClasses, "([Ljava/lang/Class;Z)[J"), 4819d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, crash, "()V"), 4829d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, dumpHprofData, "(Ljava/lang/String;Ljava/io/FileDescriptor;)V"), 4839d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, dumpHprofDataDdms, "()V"), 4849d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, dumpReferenceTables, "()V"), 4859d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, getAllocCount, "(I)I"), 48609b07a96094086e205948717666025909a75163bHiroshi Yamauchi NATIVE_METHOD(VMDebug, getHeapSpaceStats, "([J)V"), 4879d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, getInstructionCount, "([I)V"), 48853b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers NATIVE_METHOD(VMDebug, getLoadedClassCount, "!()I"), 4899d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, getVmFeatureList, "()[Ljava/lang/String;"), 4909d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, infopoint, "(I)V"), 49153b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers NATIVE_METHOD(VMDebug, isDebuggerConnected, "!()Z"), 49253b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers NATIVE_METHOD(VMDebug, isDebuggingEnabled, "!()Z"), 49364caa7dcf46ed6139b766dbe77fbd7353899417fJeff Hao NATIVE_METHOD(VMDebug, getMethodTracingMode, "()I"), 49453b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers NATIVE_METHOD(VMDebug, lastDebuggerActivity, "!()J"), 49553b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers NATIVE_METHOD(VMDebug, printLoadedClasses, "!(I)V"), 4969d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, resetAllocCount, "(I)V"), 4979d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, resetInstructionCount, "()V"), 4989d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, startAllocCounting, "()V"), 4999d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, startEmulatorTracing, "()V"), 5009d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, startInstructionCounting, "()V"), 50123009dca63c1699e28bfeaa8b45ca48fa0e86aceJeff Hao NATIVE_METHOD(VMDebug, startMethodTracingDdmsImpl, "(IIZI)V"), 5024044bdac490777cbc8a12d467bec675ef8aa6eb1Jeff Hao NATIVE_METHOD(VMDebug, startMethodTracingFd, "(Ljava/lang/String;Ljava/io/FileDescriptor;IIZI)V"), 5034044bdac490777cbc8a12d467bec675ef8aa6eb1Jeff Hao NATIVE_METHOD(VMDebug, startMethodTracingFilename, "(Ljava/lang/String;IIZI)V"), 5049d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, stopAllocCounting, "()V"), 5059d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, stopEmulatorTracing, "()V"), 5069d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, stopInstructionCounting, "()V"), 5079d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes NATIVE_METHOD(VMDebug, stopMethodTracing, "()V"), 50853b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers NATIVE_METHOD(VMDebug, threadCpuTimeNanos, "!()J"), 509a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi NATIVE_METHOD(VMDebug, getRuntimeStatInternal, "(I)Ljava/lang/String;"), 510a1c9f013c034fbddb9337cc5c7ecf0e5a8b77547Hiroshi Yamauchi NATIVE_METHOD(VMDebug, getRuntimeStatsInternal, "()[Ljava/lang/String;") 5119d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes}; 5129d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 5139d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughesvoid register_dalvik_system_VMDebug(JNIEnv* env) { 514eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes REGISTER_NATIVE_METHODS("dalvik/system/VMDebug"); 5159d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} 5169d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 5179d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes} // namespace art 518