diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/hotspot/share/services/diagnosticCommand.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/hotspot/share/services/diagnosticCommand.cpp Tue Sep 12 19:03:39 2017 +0200 @@ -0,0 +1,1015 @@ +/* + * Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#include "precompiled.hpp" +#include "classfile/classLoaderStats.hpp" +#include "classfile/compactHashtable.hpp" +#include "compiler/compileBroker.hpp" +#include "compiler/directivesParser.hpp" +#include "gc/shared/vmGCOperations.hpp" +#include "memory/resourceArea.hpp" +#include "oops/oop.inline.hpp" +#include "prims/jvm.h" +#include "runtime/globals.hpp" +#include "runtime/javaCalls.hpp" +#include "runtime/os.hpp" +#include "services/diagnosticArgument.hpp" +#include "services/diagnosticCommand.hpp" +#include "services/diagnosticFramework.hpp" +#include "services/heapDumper.hpp" +#include "services/management.hpp" +#include "services/writeableFlags.hpp" +#include "utilities/debug.hpp" +#include "utilities/formatBuffer.hpp" +#include "utilities/macros.hpp" +#include "oops/objArrayOop.inline.hpp" + + +static void loadAgentModule(TRAPS) { + ResourceMark rm(THREAD); + HandleMark hm(THREAD); + + JavaValue result(T_OBJECT); + Handle h_module_name = java_lang_String::create_from_str("jdk.management.agent", CHECK); + JavaCalls::call_static(&result, + SystemDictionary::module_Modules_klass(), + vmSymbols::loadModule_name(), + vmSymbols::loadModule_signature(), + h_module_name, + THREAD); +} + +void DCmdRegistrant::register_dcmds(){ + // Registration of the diagnostic commands + // First argument specifies which interfaces will export the command + // Second argument specifies if the command is enabled + // Third argument specifies if the command is hidden + uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI + | DCmd_Source_MBean; + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); +#if INCLUDE_SERVICES + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); +#if INCLUDE_JVMTI // Both JVMTI and SERVICES have to be enabled to have this dcmd + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); +#endif // INCLUDE_JVMTI +#endif // INCLUDE_SERVICES +#if INCLUDE_JVMTI + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); +#endif // INCLUDE_JVMTI + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(full_export, true, false)); + + // Enhanced JMX Agent Support + // These commands won't be exported via the DiagnosticCommandMBean until an + // appropriate permission is created for them + uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI; + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(jmx_agent_export_flags, true,false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(jmx_agent_export_flags, true,false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(jmx_agent_export_flags, true,false)); + DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl(jmx_agent_export_flags, true,false)); + +} + +#ifndef HAVE_EXTRA_DCMD +void DCmdRegistrant::register_dcmds_ext(){ + // Do nothing here +} +#endif + + +HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap), + _all("-all", "Show help for all commands", "BOOLEAN", false, "false"), + _cmd("command name", "The name of the command for which we want help", + "STRING", false) { + _dcmdparser.add_dcmd_option(&_all); + _dcmdparser.add_dcmd_argument(&_cmd); +}; + +void HelpDCmd::execute(DCmdSource source, TRAPS) { + if (_all.value()) { + GrowableArray* cmd_list = DCmdFactory::DCmd_list(source); + for (int i = 0; i < cmd_list->length(); i++) { + DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i), + strlen(cmd_list->at(i))); + output()->print_cr("%s%s", factory->name(), + factory->is_enabled() ? "" : " [disabled]"); + output()->print_cr("\t%s", factory->description()); + output()->cr(); + factory = factory->next(); + } + } else if (_cmd.has_value()) { + DCmd* cmd = NULL; + DCmdFactory* factory = DCmdFactory::factory(source, _cmd.value(), + strlen(_cmd.value())); + if (factory != NULL) { + output()->print_cr("%s%s", factory->name(), + factory->is_enabled() ? "" : " [disabled]"); + output()->print_cr("%s", factory->description()); + output()->print_cr("\nImpact: %s", factory->impact()); + JavaPermission p = factory->permission(); + if(p._class != NULL) { + if(p._action != NULL) { + output()->print_cr("\nPermission: %s(%s, %s)", + p._class, p._name == NULL ? "null" : p._name, p._action); + } else { + output()->print_cr("\nPermission: %s(%s)", + p._class, p._name == NULL ? "null" : p._name); + } + } + output()->cr(); + cmd = factory->create_resource_instance(output()); + if (cmd != NULL) { + DCmdMark mark(cmd); + cmd->print_help(factory->name()); + } + } else { + output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value()); + } + } else { + output()->print_cr("The following commands are available:"); + GrowableArray* cmd_list = DCmdFactory::DCmd_list(source); + for (int i = 0; i < cmd_list->length(); i++) { + DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i), + strlen(cmd_list->at(i))); + output()->print_cr("%s%s", factory->name(), + factory->is_enabled() ? "" : " [disabled]"); + factory = factory->_next; + } + output()->print_cr("\nFor more information about a specific command use 'help '."); + } +} + +int HelpDCmd::num_arguments() { + ResourceMark rm; + HelpDCmd* dcmd = new HelpDCmd(NULL, false); + if (dcmd != NULL) { + DCmdMark mark(dcmd); + return dcmd->_dcmdparser.num_arguments(); + } else { + return 0; + } +} + +void VersionDCmd::execute(DCmdSource source, TRAPS) { + output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(), + Abstract_VM_Version::vm_release()); + JDK_Version jdk_version = JDK_Version::current(); + if (jdk_version.patch_version() > 0) { + output()->print_cr("JDK %d.%d.%d.%d", jdk_version.major_version(), + jdk_version.minor_version(), jdk_version.security_version(), + jdk_version.patch_version()); + } else { + output()->print_cr("JDK %d.%d.%d", jdk_version.major_version(), + jdk_version.minor_version(), jdk_version.security_version()); + } +} + +PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) : + DCmdWithParser(output, heap), + _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") { + _dcmdparser.add_dcmd_option(&_all); +} + +void PrintVMFlagsDCmd::execute(DCmdSource source, TRAPS) { + if (_all.value()) { + CommandLineFlags::printFlags(output(), true); + } else { + CommandLineFlags::printSetFlags(output()); + } +} + +int PrintVMFlagsDCmd::num_arguments() { + ResourceMark rm; + PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false); + if (dcmd != NULL) { + DCmdMark mark(dcmd); + return dcmd->_dcmdparser.num_arguments(); + } else { + return 0; + } +} + +SetVMFlagDCmd::SetVMFlagDCmd(outputStream* output, bool heap) : + DCmdWithParser(output, heap), + _flag("flag name", "The name of the flag we want to set", + "STRING", true), + _value("string value", "The value we want to set", "STRING", false) { + _dcmdparser.add_dcmd_argument(&_flag); + _dcmdparser.add_dcmd_argument(&_value); +} + +void SetVMFlagDCmd::execute(DCmdSource source, TRAPS) { + const char* val = NULL; + if (_value.value() != NULL) { + val = _value.value(); + } + + FormatBuffer<80> err_msg("%s", ""); + int ret = WriteableFlags::set_flag(_flag.value(), val, Flag::MANAGEMENT, err_msg); + + if (ret != Flag::SUCCESS) { + output()->print_cr("%s", err_msg.buffer()); + } +} + +int SetVMFlagDCmd::num_arguments() { + ResourceMark rm; + SetVMFlagDCmd* dcmd = new SetVMFlagDCmd(NULL, false); + if (dcmd != NULL) { + DCmdMark mark(dcmd); + return dcmd->_dcmdparser.num_arguments(); + } else { + return 0; + } +} + +void JVMTIDataDumpDCmd::execute(DCmdSource source, TRAPS) { + if (JvmtiExport::should_post_data_dump()) { + JvmtiExport::post_data_dump(); + } +} + +#if INCLUDE_SERVICES +JVMTIAgentLoadDCmd::JVMTIAgentLoadDCmd(outputStream* output, bool heap) : + DCmdWithParser(output, heap), + _libpath("library path", "Absolute path of the JVMTI agent to load.", + "STRING", true), + _option("agent option", "Option string to pass the agent.", "STRING", false) { + _dcmdparser.add_dcmd_argument(&_libpath); + _dcmdparser.add_dcmd_argument(&_option); +} + +void JVMTIAgentLoadDCmd::execute(DCmdSource source, TRAPS) { + + if (_libpath.value() == NULL) { + output()->print_cr("JVMTI.agent_load dcmd needs library path."); + return; + } + + char *suffix = strrchr(_libpath.value(), '.'); + bool is_java_agent = (suffix != NULL) && (strncmp(".jar", suffix, 4) == 0); + + if (is_java_agent) { + if (_option.value() == NULL) { + JvmtiExport::load_agent_library("instrument", "false", + _libpath.value(), output()); + } else { + size_t opt_len = strlen(_libpath.value()) + strlen(_option.value()) + 2; + if (opt_len > 4096) { + output()->print_cr("JVMTI agent attach failed: Options is too long."); + return; + } + + char *opt = (char *)os::malloc(opt_len, mtInternal); + if (opt == NULL) { + output()->print_cr("JVMTI agent attach failed: " + "Could not allocate " SIZE_FORMAT " bytes for argument.", + opt_len); + return; + } + + jio_snprintf(opt, opt_len, "%s=%s", _libpath.value(), _option.value()); + JvmtiExport::load_agent_library("instrument", "false", opt, output()); + + os::free(opt); + } + } else { + JvmtiExport::load_agent_library(_libpath.value(), "true", + _option.value(), output()); + } +} + +int JVMTIAgentLoadDCmd::num_arguments() { + ResourceMark rm; + JVMTIAgentLoadDCmd* dcmd = new JVMTIAgentLoadDCmd(NULL, false); + if (dcmd != NULL) { + DCmdMark mark(dcmd); + return dcmd->_dcmdparser.num_arguments(); + } else { + return 0; + } +} +#endif // INCLUDE_SERVICES + +void PrintSystemPropertiesDCmd::execute(DCmdSource source, TRAPS) { + // load VMSupport + Symbol* klass = vmSymbols::jdk_internal_vm_VMSupport(); + Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK); + InstanceKlass* ik = InstanceKlass::cast(k); + if (ik->should_be_initialized()) { + ik->initialize(THREAD); + } + if (HAS_PENDING_EXCEPTION) { + java_lang_Throwable::print(PENDING_EXCEPTION, output()); + output()->cr(); + CLEAR_PENDING_EXCEPTION; + return; + } + + // invoke the serializePropertiesToByteArray method + JavaValue result(T_OBJECT); + JavaCallArguments args; + + Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature(); + JavaCalls::call_static(&result, + ik, + vmSymbols::serializePropertiesToByteArray_name(), + signature, + &args, + THREAD); + if (HAS_PENDING_EXCEPTION) { + java_lang_Throwable::print(PENDING_EXCEPTION, output()); + output()->cr(); + CLEAR_PENDING_EXCEPTION; + return; + } + + // The result should be a [B + oop res = (oop)result.get_jobject(); + assert(res->is_typeArray(), "just checking"); + assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking"); + + // copy the bytes to the output stream + typeArrayOop ba = typeArrayOop(res); + jbyte* addr = typeArrayOop(res)->byte_at_addr(0); + output()->print_raw((const char*)addr, ba->length()); +} + +VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) : + DCmdWithParser(output, heap), + _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") { + _dcmdparser.add_dcmd_option(&_date); +} + +void VMUptimeDCmd::execute(DCmdSource source, TRAPS) { + if (_date.value()) { + output()->date_stamp(true, "", ": "); + } + output()->time_stamp().update_to(tty->time_stamp().ticks()); + output()->stamp(); + output()->print_cr(" s"); +} + +int VMUptimeDCmd::num_arguments() { + ResourceMark rm; + VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false); + if (dcmd != NULL) { + DCmdMark mark(dcmd); + return dcmd->_dcmdparser.num_arguments(); + } else { + return 0; + } +} + +void VMInfoDCmd::execute(DCmdSource source, TRAPS) { + VMError::print_vm_info(_output); +} + +void SystemGCDCmd::execute(DCmdSource source, TRAPS) { + Universe::heap()->collect(GCCause::_dcmd_gc_run); +} + +void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) { + Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(), + true, CHECK); + JavaValue result(T_VOID); + JavaCalls::call_static(&result, k, + vmSymbols::run_finalization_name(), + vmSymbols::void_method_signature(), CHECK); +} + +void HeapInfoDCmd::execute(DCmdSource source, TRAPS) { + MutexLocker hl(Heap_lock); + Universe::heap()->print_on(output()); +} + +void FinalizerInfoDCmd::execute(DCmdSource source, TRAPS) { + ResourceMark rm; + + Klass* k = SystemDictionary::resolve_or_fail( + vmSymbols::finalizer_histogram_klass(), true, CHECK); + + JavaValue result(T_ARRAY); + + // We are calling lang.ref.FinalizerHistogram.getFinalizerHistogram() method + // and expect it to return array of FinalizerHistogramEntry as Object[] + + JavaCalls::call_static(&result, k, + vmSymbols::get_finalizer_histogram_name(), + vmSymbols::void_finalizer_histogram_entry_array_signature(), CHECK); + + objArrayOop result_oop = (objArrayOop) result.get_jobject(); + if (result_oop->length() == 0) { + output()->print_cr("No instances waiting for finalization found"); + return; + } + + oop foop = result_oop->obj_at(0); + InstanceKlass* ik = InstanceKlass::cast(foop->klass()); + + fieldDescriptor count_fd, name_fd; + + Klass* count_res = ik->find_field( + vmSymbols::finalizer_histogram_entry_count_field(), vmSymbols::int_signature(), &count_fd); + + Klass* name_res = ik->find_field( + vmSymbols::finalizer_histogram_entry_name_field(), vmSymbols::string_signature(), &name_fd); + + assert(count_res != NULL && name_res != NULL, "Unexpected layout of FinalizerHistogramEntry"); + + output()->print_cr("Unreachable instances waiting for finalization"); + output()->print_cr("#instances class name"); + output()->print_cr("-----------------------"); + + for (int i = 0; i < result_oop->length(); ++i) { + oop element_oop = result_oop->obj_at(i); + oop str_oop = element_oop->obj_field(name_fd.offset()); + char *name = java_lang_String::as_utf8_string(str_oop); + int count = element_oop->int_field(count_fd.offset()); + output()->print_cr("%10d %s", count, name); + } +} + +#if INCLUDE_SERVICES // Heap dumping/inspection supported +HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) : + DCmdWithParser(output, heap), + _filename("filename","Name of the dump file", "STRING",true), + _all("-all", "Dump all objects, including unreachable objects", + "BOOLEAN", false, "false") { + _dcmdparser.add_dcmd_option(&_all); + _dcmdparser.add_dcmd_argument(&_filename); +} + +void HeapDumpDCmd::execute(DCmdSource source, TRAPS) { + // Request a full GC before heap dump if _all is false + // This helps reduces the amount of unreachable objects in the dump + // and makes it easier to browse. + HeapDumper dumper(!_all.value() /* request GC if _all is false*/); + int res = dumper.dump(_filename.value()); + if (res == 0) { + output()->print_cr("Heap dump file created"); + } else { + // heap dump failed + ResourceMark rm; + char* error = dumper.error_as_C_string(); + if (error == NULL) { + output()->print_cr("Dump failed - reason unknown"); + } else { + output()->print_cr("%s", error); + } + } +} + +int HeapDumpDCmd::num_arguments() { + ResourceMark rm; + HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false); + if (dcmd != NULL) { + DCmdMark mark(dcmd); + return dcmd->_dcmdparser.num_arguments(); + } else { + return 0; + } +} + +ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) : + DCmdWithParser(output, heap), + _all("-all", "Inspect all objects, including unreachable objects", + "BOOLEAN", false, "false") { + _dcmdparser.add_dcmd_option(&_all); +} + +void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) { + VM_GC_HeapInspection heapop(output(), + !_all.value() /* request full gc if false */); + VMThread::execute(&heapop); +} + +int ClassHistogramDCmd::num_arguments() { + ResourceMark rm; + ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false); + if (dcmd != NULL) { + DCmdMark mark(dcmd); + return dcmd->_dcmdparser.num_arguments(); + } else { + return 0; + } +} + +#define DEFAULT_COLUMNS "InstBytes,KlassBytes,CpAll,annotations,MethodCount,Bytecodes,MethodAll,ROAll,RWAll,Total" +ClassStatsDCmd::ClassStatsDCmd(outputStream* output, bool heap) : + DCmdWithParser(output, heap), + _csv("-csv", "Print in CSV (comma-separated values) format for spreadsheets", + "BOOLEAN", false, "false"), + _all("-all", "Show all columns", + "BOOLEAN", false, "false"), + _help("-help", "Show meaning of all the columns", + "BOOLEAN", false, "false"), + _columns("columns", "Comma-separated list of all the columns to show. " + "If not specified, the following columns are shown: " DEFAULT_COLUMNS, + "STRING", false) { + _dcmdparser.add_dcmd_option(&_all); + _dcmdparser.add_dcmd_option(&_csv); + _dcmdparser.add_dcmd_option(&_help); + _dcmdparser.add_dcmd_argument(&_columns); +} + +void ClassStatsDCmd::execute(DCmdSource source, TRAPS) { + VM_GC_HeapInspection heapop(output(), + true /* request_full_gc */); + heapop.set_csv_format(_csv.value()); + heapop.set_print_help(_help.value()); + heapop.set_print_class_stats(true); + if (_all.value()) { + if (_columns.has_value()) { + output()->print_cr("Cannot specify -all and individual columns at the same time"); + return; + } else { + heapop.set_columns(NULL); + } + } else { + if (_columns.has_value()) { + heapop.set_columns(_columns.value()); + } else { + heapop.set_columns(DEFAULT_COLUMNS); + } + } + VMThread::execute(&heapop); +} + +int ClassStatsDCmd::num_arguments() { + ResourceMark rm; + ClassStatsDCmd* dcmd = new ClassStatsDCmd(NULL, false); + if (dcmd != NULL) { + DCmdMark mark(dcmd); + return dcmd->_dcmdparser.num_arguments(); + } else { + return 0; + } +} +#endif // INCLUDE_SERVICES + +ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) : + DCmdWithParser(output, heap), + _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") { + _dcmdparser.add_dcmd_option(&_locks); +} + +void ThreadDumpDCmd::execute(DCmdSource source, TRAPS) { + // thread stacks + VM_PrintThreads op1(output(), _locks.value()); + VMThread::execute(&op1); + + // JNI global handles + VM_PrintJNI op2(output()); + VMThread::execute(&op2); + + // Deadlock detection + VM_FindDeadlocks op3(output()); + VMThread::execute(&op3); +} + +int ThreadDumpDCmd::num_arguments() { + ResourceMark rm; + ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false); + if (dcmd != NULL) { + DCmdMark mark(dcmd); + return dcmd->_dcmdparser.num_arguments(); + } else { + return 0; + } +} + +// Enhanced JMX Agent support + +JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) : + + DCmdWithParser(output, heap_allocated), + + _config_file + ("config.file", + "set com.sun.management.config.file", "STRING", false), + + _jmxremote_host + ("jmxremote.host", + "set com.sun.management.jmxremote.host", "STRING", false), + + _jmxremote_port + ("jmxremote.port", + "set com.sun.management.jmxremote.port", "STRING", false), + + _jmxremote_rmi_port + ("jmxremote.rmi.port", + "set com.sun.management.jmxremote.rmi.port", "STRING", false), + + _jmxremote_ssl + ("jmxremote.ssl", + "set com.sun.management.jmxremote.ssl", "STRING", false), + + _jmxremote_registry_ssl + ("jmxremote.registry.ssl", + "set com.sun.management.jmxremote.registry.ssl", "STRING", false), + + _jmxremote_authenticate + ("jmxremote.authenticate", + "set com.sun.management.jmxremote.authenticate", "STRING", false), + + _jmxremote_password_file + ("jmxremote.password.file", + "set com.sun.management.jmxremote.password.file", "STRING", false), + + _jmxremote_access_file + ("jmxremote.access.file", + "set com.sun.management.jmxremote.access.file", "STRING", false), + + _jmxremote_login_config + ("jmxremote.login.config", + "set com.sun.management.jmxremote.login.config", "STRING", false), + + _jmxremote_ssl_enabled_cipher_suites + ("jmxremote.ssl.enabled.cipher.suites", + "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false), + + _jmxremote_ssl_enabled_protocols + ("jmxremote.ssl.enabled.protocols", + "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false), + + _jmxremote_ssl_need_client_auth + ("jmxremote.ssl.need.client.auth", + "set com.sun.management.jmxremote.need.client.auth", "STRING", false), + + _jmxremote_ssl_config_file + ("jmxremote.ssl.config.file", + "set com.sun.management.jmxremote.ssl_config_file", "STRING", false), + +// JDP Protocol support + _jmxremote_autodiscovery + ("jmxremote.autodiscovery", + "set com.sun.management.jmxremote.autodiscovery", "STRING", false), + + _jdp_port + ("jdp.port", + "set com.sun.management.jdp.port", "INT", false), + + _jdp_address + ("jdp.address", + "set com.sun.management.jdp.address", "STRING", false), + + _jdp_source_addr + ("jdp.source_addr", + "set com.sun.management.jdp.source_addr", "STRING", false), + + _jdp_ttl + ("jdp.ttl", + "set com.sun.management.jdp.ttl", "INT", false), + + _jdp_pause + ("jdp.pause", + "set com.sun.management.jdp.pause", "INT", false), + + _jdp_name + ("jdp.name", + "set com.sun.management.jdp.name", "STRING", false) + + { + _dcmdparser.add_dcmd_option(&_config_file); + _dcmdparser.add_dcmd_option(&_jmxremote_host); + _dcmdparser.add_dcmd_option(&_jmxremote_port); + _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port); + _dcmdparser.add_dcmd_option(&_jmxremote_ssl); + _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl); + _dcmdparser.add_dcmd_option(&_jmxremote_authenticate); + _dcmdparser.add_dcmd_option(&_jmxremote_password_file); + _dcmdparser.add_dcmd_option(&_jmxremote_access_file); + _dcmdparser.add_dcmd_option(&_jmxremote_login_config); + _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites); + _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols); + _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth); + _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file); + _dcmdparser.add_dcmd_option(&_jmxremote_autodiscovery); + _dcmdparser.add_dcmd_option(&_jdp_port); + _dcmdparser.add_dcmd_option(&_jdp_address); + _dcmdparser.add_dcmd_option(&_jdp_source_addr); + _dcmdparser.add_dcmd_option(&_jdp_ttl); + _dcmdparser.add_dcmd_option(&_jdp_pause); + _dcmdparser.add_dcmd_option(&_jdp_name); +} + + +int JMXStartRemoteDCmd::num_arguments() { + ResourceMark rm; + JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false); + if (dcmd != NULL) { + DCmdMark mark(dcmd); + return dcmd->_dcmdparser.num_arguments(); + } else { + return 0; + } +} + + +void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) { + ResourceMark rm(THREAD); + HandleMark hm(THREAD); + + // Load and initialize the jdk.internal.agent.Agent class + // invoke startRemoteManagementAgent(string) method to start + // the remote management server. + // throw java.lang.NoSuchMethodError if the method doesn't exist + + loadAgentModule(CHECK); + Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); + Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::jdk_internal_agent_Agent(), loader, Handle(), true, CHECK); + + JavaValue result(T_VOID); + + // Pass all command line arguments to java as key=value,... + // All checks are done on java side + + int len = 0; + stringStream options; + char comma[2] = {0,0}; + + // Leave default values on Agent.class side and pass only + // agruments explicitly set by user. All arguments passed + // to jcmd override properties with the same name set by + // command line with -D or by managmenent.properties + // file. +#define PUT_OPTION(a) \ + do { \ + if ( (a).is_set() ){ \ + if ( *((a).type()) == 'I' ) { \ + options.print("%scom.sun.management.%s=" JLONG_FORMAT, comma, (a).name(), (jlong)((a).value())); \ + } else { \ + options.print("%scom.sun.management.%s=%s", comma, (a).name(), (char*)((a).value())); \ + } \ + comma[0] = ','; \ + }\ + } while(0); + + + PUT_OPTION(_config_file); + PUT_OPTION(_jmxremote_host); + PUT_OPTION(_jmxremote_port); + PUT_OPTION(_jmxremote_rmi_port); + PUT_OPTION(_jmxremote_ssl); + PUT_OPTION(_jmxremote_registry_ssl); + PUT_OPTION(_jmxremote_authenticate); + PUT_OPTION(_jmxremote_password_file); + PUT_OPTION(_jmxremote_access_file); + PUT_OPTION(_jmxremote_login_config); + PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites); + PUT_OPTION(_jmxremote_ssl_enabled_protocols); + PUT_OPTION(_jmxremote_ssl_need_client_auth); + PUT_OPTION(_jmxremote_ssl_config_file); + PUT_OPTION(_jmxremote_autodiscovery); + PUT_OPTION(_jdp_port); + PUT_OPTION(_jdp_address); + PUT_OPTION(_jdp_source_addr); + PUT_OPTION(_jdp_ttl); + PUT_OPTION(_jdp_pause); + PUT_OPTION(_jdp_name); + +#undef PUT_OPTION + + Handle str = java_lang_String::create_from_str(options.as_string(), CHECK); + JavaCalls::call_static(&result, k, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK); +} + +JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) : + DCmd(output, heap_allocated) { + // do nothing +} + +void JMXStartLocalDCmd::execute(DCmdSource source, TRAPS) { + ResourceMark rm(THREAD); + HandleMark hm(THREAD); + + // Load and initialize the jdk.internal.agent.Agent class + // invoke startLocalManagementAgent(void) method to start + // the local management server + // throw java.lang.NoSuchMethodError if method doesn't exist + + loadAgentModule(CHECK); + Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); + Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::jdk_internal_agent_Agent(), loader, Handle(), true, CHECK); + + JavaValue result(T_VOID); + JavaCalls::call_static(&result, k, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK); +} + +void JMXStopRemoteDCmd::execute(DCmdSource source, TRAPS) { + ResourceMark rm(THREAD); + HandleMark hm(THREAD); + + // Load and initialize the jdk.internal.agent.Agent class + // invoke stopRemoteManagementAgent method to stop the + // management server + // throw java.lang.NoSuchMethodError if method doesn't exist + + loadAgentModule(CHECK); + Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); + Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::jdk_internal_agent_Agent(), loader, Handle(), true, CHECK); + + JavaValue result(T_VOID); + JavaCalls::call_static(&result, k, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK); +} + +JMXStatusDCmd::JMXStatusDCmd(outputStream *output, bool heap_allocated) : + DCmd(output, heap_allocated) { + // do nothing +} + +void JMXStatusDCmd::execute(DCmdSource source, TRAPS) { + ResourceMark rm(THREAD); + HandleMark hm(THREAD); + + // Load and initialize the jdk.internal.agent.Agent class + // invoke getManagementAgentStatus() method to generate the status info + // throw java.lang.NoSuchMethodError if method doesn't exist + + loadAgentModule(CHECK); + Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); + Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::jdk_internal_agent_Agent(), loader, Handle(), true, CHECK); + + JavaValue result(T_OBJECT); + JavaCalls::call_static(&result, k, vmSymbols::getAgentStatus_name(), vmSymbols::void_string_signature(), CHECK); + + jvalue* jv = (jvalue*) result.get_value_addr(); + oop str = (oop) jv->l; + if (str != NULL) { + char* out = java_lang_String::as_utf8_string(str); + if (out) { + output()->print_cr("%s", out); + return; + } + } + output()->print_cr("Error obtaining management agent status"); +} + +VMDynamicLibrariesDCmd::VMDynamicLibrariesDCmd(outputStream *output, bool heap_allocated) : + DCmd(output, heap_allocated) { + // do nothing +} + +void VMDynamicLibrariesDCmd::execute(DCmdSource source, TRAPS) { + os::print_dll_info(output()); + output()->cr(); +} + +void CompileQueueDCmd::execute(DCmdSource source, TRAPS) { + VM_PrintCompileQueue printCompileQueueOp(output()); + VMThread::execute(&printCompileQueueOp); +} + +void CodeListDCmd::execute(DCmdSource source, TRAPS) { + CodeCache::print_codelist(output()); +} + +void CodeCacheDCmd::execute(DCmdSource source, TRAPS) { + CodeCache::print_layout(output()); +} + +void CompilerDirectivesPrintDCmd::execute(DCmdSource source, TRAPS) { + DirectivesStack::print(output()); +} + +CompilerDirectivesAddDCmd::CompilerDirectivesAddDCmd(outputStream* output, bool heap) : + DCmdWithParser(output, heap), + _filename("filename","Name of the directives file", "STRING",true) { + _dcmdparser.add_dcmd_argument(&_filename); +} + +void CompilerDirectivesAddDCmd::execute(DCmdSource source, TRAPS) { + DirectivesParser::parse_from_file(_filename.value(), output()); +} + +int CompilerDirectivesAddDCmd::num_arguments() { + ResourceMark rm; + CompilerDirectivesAddDCmd* dcmd = new CompilerDirectivesAddDCmd(NULL, false); + if (dcmd != NULL) { + DCmdMark mark(dcmd); + return dcmd->_dcmdparser.num_arguments(); + } else { + return 0; + } +} + +void CompilerDirectivesRemoveDCmd::execute(DCmdSource source, TRAPS) { + DirectivesStack::pop(1); +} + +void CompilerDirectivesClearDCmd::execute(DCmdSource source, TRAPS) { + DirectivesStack::clear(); +} +#if INCLUDE_SERVICES +ClassHierarchyDCmd::ClassHierarchyDCmd(outputStream* output, bool heap) : + DCmdWithParser(output, heap), + _print_interfaces("-i", "Inherited interfaces should be printed.", "BOOLEAN", false, "false"), + _print_subclasses("-s", "If a classname is specified, print its subclasses. " + "Otherwise only its superclasses are printed.", "BOOLEAN", false, "false"), + _classname("classname", "Name of class whose hierarchy should be printed. " + "If not specified, all class hierarchies are printed.", + "STRING", false) { + _dcmdparser.add_dcmd_option(&_print_interfaces); + _dcmdparser.add_dcmd_option(&_print_subclasses); + _dcmdparser.add_dcmd_argument(&_classname); +} + +void ClassHierarchyDCmd::execute(DCmdSource source, TRAPS) { + VM_PrintClassHierarchy printClassHierarchyOp(output(), _print_interfaces.value(), + _print_subclasses.value(), _classname.value()); + VMThread::execute(&printClassHierarchyOp); +} + +int ClassHierarchyDCmd::num_arguments() { + ResourceMark rm; + ClassHierarchyDCmd* dcmd = new ClassHierarchyDCmd(NULL, false); + if (dcmd != NULL) { + DCmdMark mark(dcmd); + return dcmd->_dcmdparser.num_arguments(); + } else { + return 0; + } +} + +#endif + +class VM_DumpTouchedMethods : public VM_Operation { +private: + outputStream* _out; +public: + VM_DumpTouchedMethods(outputStream* out) { + _out = out; + } + + virtual VMOp_Type type() const { return VMOp_DumpTouchedMethods; } + + virtual void doit() { + Method::print_touched_methods(_out); + } +}; + +TouchedMethodsDCmd::TouchedMethodsDCmd(outputStream* output, bool heap) : + DCmdWithParser(output, heap) +{} + +void TouchedMethodsDCmd::execute(DCmdSource source, TRAPS) { + if (!LogTouchedMethods) { + output()->print_cr("VM.print_touched_methods command requires -XX:+LogTouchedMethods"); + return; + } + VM_DumpTouchedMethods dumper(output()); + VMThread::execute(&dumper); +} + +int TouchedMethodsDCmd::num_arguments() { + return 0; +}