--- /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<HelpDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SetVMFlagDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMDynamicLibrariesDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMInfoDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapInfoDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<FinalizerInfoDCmd>(full_export, true, false));
+#if INCLUDE_SERVICES
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemDictionaryDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHierarchyDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SymboltableDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<StringtableDCmd>(full_export, true, false));
+#if INCLUDE_JVMTI // Both JVMTI and SERVICES have to be enabled to have this dcmd
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JVMTIAgentLoadDCmd>(full_export, true, false));
+#endif // INCLUDE_JVMTI
+#endif // INCLUDE_SERVICES
+#if INCLUDE_JVMTI
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JVMTIDataDumpDCmd>(full_export, true, false));
+#endif // INCLUDE_JVMTI
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassLoaderStatsDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<TouchedMethodsDCmd>(full_export, true, false));
+
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesPrintDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesAddDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesRemoveDCmd>(full_export, true, false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesClearDCmd>(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<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(jmx_agent_export_flags, true,false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(jmx_agent_export_flags, true,false));
+ DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStatusDCmd>(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<const char*>* 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<const char *>* 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 <command>'.");
+ }
+}
+
+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;
+}