apetushkov@9858: /*
apetushkov@9858:  * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
apetushkov@9858:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
apetushkov@9858:  *
apetushkov@9858:  * This code is free software; you can redistribute it and/or modify it
apetushkov@9858:  * under the terms of the GNU General Public License version 2 only, as
apetushkov@9858:  * published by the Free Software Foundation.
apetushkov@9858:  *
apetushkov@9858:  * This code is distributed in the hope that it will be useful, but WITHOUT
apetushkov@9858:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
apetushkov@9858:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
apetushkov@9858:  * version 2 for more details (a copy is included in the LICENSE file that
apetushkov@9858:  * accompanied this code).
apetushkov@9858:  *
apetushkov@9858:  * You should have received a copy of the GNU General Public License version
apetushkov@9858:  * 2 along with this work; if not, write to the Free Software Foundation,
apetushkov@9858:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
apetushkov@9858:  *
apetushkov@9858:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
apetushkov@9858:  * or visit www.oracle.com if you need additional information or have any
apetushkov@9858:  * questions.
apetushkov@9858:  *
apetushkov@9858:  */
apetushkov@9858: 
apetushkov@9858: #include "precompiled.hpp"
apetushkov@9858: #include "classfile/javaClasses.hpp"
apetushkov@9858: #include "classfile/vmSymbols.hpp"
apetushkov@9858: #include "jfr/jfr.hpp"
apetushkov@9858: #include "jfr/dcmd/jfrDcmds.hpp"
apetushkov@9858: #include "jfr/jni/jfrJavaSupport.hpp"
apetushkov@9858: #include "jfr/recorder/jfrRecorder.hpp"
apetushkov@9858: #include "jfr/recorder/service/jfrOptionSet.hpp"
apetushkov@9858: #include "memory/resourceArea.hpp"
apetushkov@9858: #include "oops/oop.inline.hpp"
apetushkov@9858: #include "oops/symbol.hpp"
apetushkov@9858: #include "runtime/handles.inline.hpp"
apetushkov@9858: #include "services/diagnosticArgument.hpp"
apetushkov@9858: #include "services/diagnosticFramework.hpp"
apetushkov@9858: #include "utilities/globalDefinitions.hpp"
apetushkov@9858: 
apetushkov@9858: #ifdef _WINDOWS
apetushkov@9858: #define JFR_FILENAME_EXAMPLE "C:\\Users\\user\\My Recording.jfr"
apetushkov@9858: #endif
apetushkov@9858: 
apetushkov@9858: #ifdef __APPLE__
apetushkov@9858: #define JFR_FILENAME_EXAMPLE  "/Users/user/My Recording.jfr"
apetushkov@9858: #endif
apetushkov@9858: 
apetushkov@9858: #ifndef JFR_FILENAME_EXAMPLE
apetushkov@9858: #define JFR_FILENAME_EXAMPLE "/home/user/My Recording.jfr"
apetushkov@9858: #endif
apetushkov@9858: 
apetushkov@9858: // JNIHandle management
apetushkov@9858: 
apetushkov@9858: // ------------------------------------------------------------------
apetushkov@9858: // push_jni_handle_block
apetushkov@9858: //
apetushkov@9858: // Push on a new block of JNI handles.
apetushkov@9858: static void push_jni_handle_block(Thread* const thread) {
apetushkov@9858:   DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(thread));
apetushkov@9858: 
apetushkov@9858:   // Allocate a new block for JNI handles.
apetushkov@9858:   // Inlined code from jni_PushLocalFrame()
apetushkov@9858:   JNIHandleBlock* prev_handles = thread->active_handles();
apetushkov@9858:   JNIHandleBlock* entry_handles = JNIHandleBlock::allocate_block(thread);
apetushkov@9858:   assert(entry_handles != NULL && prev_handles != NULL, "should not be NULL");
apetushkov@9858:   entry_handles->set_pop_frame_link(prev_handles);  // make sure prev handles get gc'd.
apetushkov@9858:   thread->set_active_handles(entry_handles);
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: // ------------------------------------------------------------------
apetushkov@9858: // pop_jni_handle_block
apetushkov@9858: //
apetushkov@9858: // Pop off the current block of JNI handles.
apetushkov@9858: static void pop_jni_handle_block(Thread* const thread) {
apetushkov@9858:   DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(thread));
apetushkov@9858: 
apetushkov@9858:   // Release our JNI handle block
apetushkov@9858:   JNIHandleBlock* entry_handles = thread->active_handles();
apetushkov@9858:   JNIHandleBlock* prev_handles = entry_handles->pop_frame_link();
apetushkov@9858:   // restore
apetushkov@9858:   thread->set_active_handles(prev_handles);
apetushkov@9858:   entry_handles->set_pop_frame_link(NULL);
apetushkov@9858:   JNIHandleBlock::release_block(entry_handles, thread); // may block
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: class JNIHandleBlockManager : public StackObj {
apetushkov@9858:  private:
apetushkov@9858:   Thread* const _thread;
apetushkov@9858:  public:
apetushkov@9858:   JNIHandleBlockManager(Thread* thread) : _thread(thread) {
apetushkov@9858:     push_jni_handle_block(_thread);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   ~JNIHandleBlockManager() {
apetushkov@9858:     pop_jni_handle_block(_thread);
apetushkov@9858:   }
apetushkov@9858: };
apetushkov@9858: 
apetushkov@9858: static bool is_disabled(outputStream* output) {
apetushkov@9858:   if (Jfr::is_disabled()) {
apetushkov@9858:     if (output != NULL) {
apetushkov@9858:       output->print_cr("Flight Recorder is disabled.\n");
apetushkov@9858:     }
apetushkov@9858:     return true;
apetushkov@9858:   }
apetushkov@9858:   return false;
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: static bool is_recorder_instance_created(outputStream* output) {
apetushkov@9858:   if (!JfrRecorder::is_created()) {
apetushkov@9858:     if (output != NULL) {
apetushkov@9858:       output->print_cr("No available recordings.\n");
apetushkov@9858:       output->print_cr("Use JFR.start to start a recording.\n");
apetushkov@9858:     }
apetushkov@9858:     return false;
apetushkov@9858:   }
apetushkov@9858:   return true;
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: static bool invalid_state(outputStream* out, TRAPS) {
apetushkov@9858:   DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
apetushkov@9858:   return is_disabled(out);
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: static void print_pending_exception(outputStream* output, oop throwable) {
apetushkov@9858:   assert(throwable != NULL, "invariant");
apetushkov@9858: 
apetushkov@9858:   oop msg = java_lang_Throwable::message(throwable);
apetushkov@9858: 
apetushkov@9858:   if (msg != NULL) {
apetushkov@9858:     char* text = java_lang_String::as_utf8_string(msg);
apetushkov@9858:     output->print_raw_cr(text);
apetushkov@9858:   }
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: static void print_message(outputStream* output, const char* message) {
apetushkov@9858:   if (message != NULL) {
apetushkov@9858:     output->print_raw(message);
apetushkov@9858:   }
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: static void handle_dcmd_result(outputStream* output,
apetushkov@9858:                                const oop result,
apetushkov@9858:                                const DCmdSource source,
apetushkov@9858:                                TRAPS) {
apetushkov@9858:   DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
apetushkov@9858:   assert(output != NULL, "invariant");
apetushkov@9858:   if (HAS_PENDING_EXCEPTION) {
apetushkov@9858:     print_pending_exception(output, PENDING_EXCEPTION);
apetushkov@9858:     // Don't clear excption on startup, JVM should fail initialization.
apetushkov@9858:     if (DCmd_Source_Internal != source) {
apetushkov@9858:       CLEAR_PENDING_EXCEPTION;
apetushkov@9858:     }
apetushkov@9858:     return;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   assert(!HAS_PENDING_EXCEPTION, "invariant");
apetushkov@9858: 
apetushkov@9858:   if (result != NULL) {
apetushkov@9858:     const char* result_chars = java_lang_String::as_utf8_string(result);
apetushkov@9858:     print_message(output, result_chars);
apetushkov@9858:   }
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: static oop construct_dcmd_instance(JfrJavaArguments* args, TRAPS) {
apetushkov@9858:   assert(args != NULL, "invariant");
apetushkov@9858:   DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
apetushkov@9858:   assert(args->klass() != NULL, "invariant");
apetushkov@9858:   args->set_name("<init>", CHECK_NULL);
apetushkov@9858:   args->set_signature("()V", CHECK_NULL);
apetushkov@9858:   JfrJavaSupport::new_object(args, CHECK_NULL);
apetushkov@9858:   return (oop)args->result()->get_jobject();
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: JfrDumpFlightRecordingDCmd::JfrDumpFlightRecordingDCmd(outputStream* output,
apetushkov@9858:                                                        bool heap) : DCmdWithParser(output, heap),
apetushkov@9858:   _name("name", "Recording name, e.g. \\\"My Recording\\\"", "STRING", false, NULL),
apetushkov@9858:   _filename("filename", "Copy recording data to file, e.g. \\\"" JFR_FILENAME_EXAMPLE "\\\"", "STRING", false),
apetushkov@9858:   _maxage("maxage", "Maximum duration to dump, in (s)econds, (m)inutes, (h)ours, or (d)ays, e.g. 60m, or 0 for no limit", "NANOTIME", false, "0"),
apetushkov@9858:   _maxsize("maxsize", "Maximum amount of bytes to dump, in (M)B or (G)B, e.g. 500M, or 0 for no limit", "MEMORY SIZE", false, "0"),
apetushkov@9858:   _begin("begin", "Point in time to dump data from, e.g. 09:00, 21:35:00, 2018-06-03T18:12:56.827Z, 2018-06-03T20:13:46.832, -10m, -3h, or -1d", "STRING", false),
apetushkov@9858:   _end("end", "Point in time to dump data to, e.g. 09:00, 21:35:00, 2018-06-03T18:12:56.827Z, 2018-06-03T20:13:46.832, -10m, -3h, or -1d", "STRING", false),
apetushkov@9858:   _path_to_gc_roots("path-to-gc-roots", "Collect path to GC roots", "BOOLEAN", false, "false") {
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_name);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_filename);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_maxage);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_maxsize);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_begin);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_end);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_path_to_gc_roots);
apetushkov@9858: };
apetushkov@9858: 
apetushkov@9858: int JfrDumpFlightRecordingDCmd::num_arguments() {
apetushkov@9858:   ResourceMark rm;
apetushkov@9858:   JfrDumpFlightRecordingDCmd* dcmd = new JfrDumpFlightRecordingDCmd(NULL, false);
apetushkov@9858:   if (dcmd != NULL) {
apetushkov@9858:     DCmdMark mark(dcmd);
apetushkov@9858:     return dcmd->_dcmdparser.num_arguments();
apetushkov@9858:   }
apetushkov@9858:   return 0;
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: void JfrDumpFlightRecordingDCmd::execute(DCmdSource source, TRAPS) {
apetushkov@9858:   DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
apetushkov@9858: 
apetushkov@9858:   if (invalid_state(output(), THREAD) || !is_recorder_instance_created(output())) {
apetushkov@9858:     return;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   ResourceMark rm(THREAD);
apetushkov@9858:   HandleMark hm(THREAD);
apetushkov@9858:   JNIHandleBlockManager jni_handle_management(THREAD);
apetushkov@9858: 
apetushkov@9858:   JavaValue result(T_OBJECT);
apetushkov@9858:   JfrJavaArguments constructor_args(&result);
apetushkov@9858:   constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdDump", CHECK);
apetushkov@9858:   const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK);
apetushkov@9858:   Handle h_dcmd_instance(THREAD, dcmd);
apetushkov@9858:   assert(h_dcmd_instance.not_null(), "invariant");
apetushkov@9858: 
apetushkov@9858:   jstring name = NULL;
apetushkov@9858:   if (_name.is_set() && _name.value()  != NULL) {
apetushkov@9858:     name = JfrJavaSupport::new_string(_name.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jstring filepath = NULL;
apetushkov@9858:   if (_filename.is_set() && _filename.value() != NULL) {
apetushkov@9858:     filepath = JfrJavaSupport::new_string(_filename.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject maxage = NULL;
apetushkov@9858:   if (_maxage.is_set()) {
apetushkov@9858:     maxage = JfrJavaSupport::new_java_lang_Long(_maxage.value()._nanotime, CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject maxsize = NULL;
apetushkov@9858:   if (_maxsize.is_set()) {
apetushkov@9858:     maxsize = JfrJavaSupport::new_java_lang_Long(_maxsize.value()._size, CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jstring begin = NULL;
apetushkov@9858:   if (_begin.is_set() && _begin.value() != NULL) {
apetushkov@9858:     begin = JfrJavaSupport::new_string(_begin.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jstring end = NULL;
apetushkov@9858:   if (_end.is_set() && _end.value() != NULL) {
apetushkov@9858:     end = JfrJavaSupport::new_string(_end.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject path_to_gc_roots = NULL;
apetushkov@9858:   if (_path_to_gc_roots.is_set()) {
apetushkov@9858:     path_to_gc_roots = JfrJavaSupport::new_java_lang_Boolean(_path_to_gc_roots.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   static const char klass[] = "jdk/jfr/internal/dcmd/DCmdDump";
apetushkov@9858:   static const char method[] = "execute";
apetushkov@9858:   static const char signature[] = "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Long;Ljava/lang/Long;Ljava/lang/String;Ljava/lang/String;Ljava/lang/Boolean;)Ljava/lang/String;";
apetushkov@9858: 
apetushkov@9858:   JfrJavaArguments execute_args(&result, klass, method, signature, CHECK);
apetushkov@9858:   execute_args.set_receiver(h_dcmd_instance);
apetushkov@9858: 
apetushkov@9858:   // arguments
apetushkov@9858:   execute_args.push_jobject(name);
apetushkov@9858:   execute_args.push_jobject(filepath);
apetushkov@9858:   execute_args.push_jobject(maxage);
apetushkov@9858:   execute_args.push_jobject(maxsize);
apetushkov@9858:   execute_args.push_jobject(begin);
apetushkov@9858:   execute_args.push_jobject(end);
apetushkov@9858:   execute_args.push_jobject(path_to_gc_roots);
apetushkov@9858: 
apetushkov@9858:   JfrJavaSupport::call_virtual(&execute_args, THREAD);
apetushkov@9858:   handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD);
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: JfrCheckFlightRecordingDCmd::JfrCheckFlightRecordingDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap),
apetushkov@9858:   _name("name","Recording name, e.g. \\\"My Recording\\\" or omit to see all recordings","STRING",false, NULL),
apetushkov@9858:   _verbose("verbose","Print event settings for the recording(s)","BOOLEAN",
apetushkov@9858:            false, "false") {
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_name);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_verbose);
apetushkov@9858: };
apetushkov@9858: 
apetushkov@9858: int JfrCheckFlightRecordingDCmd::num_arguments() {
apetushkov@9858:   ResourceMark rm;
apetushkov@9858:   JfrCheckFlightRecordingDCmd* dcmd = new JfrCheckFlightRecordingDCmd(NULL, false);
apetushkov@9858:   if (dcmd != NULL) {
apetushkov@9858:     DCmdMark mark(dcmd);
apetushkov@9858:     return dcmd->_dcmdparser.num_arguments();
apetushkov@9858:   }
apetushkov@9858:   return 0;
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: void JfrCheckFlightRecordingDCmd::execute(DCmdSource source, TRAPS) {
apetushkov@9858:   DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
apetushkov@9858: 
apetushkov@9858:   if (invalid_state(output(), THREAD) || !is_recorder_instance_created(output())) {
apetushkov@9858:     return;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   ResourceMark rm(THREAD);
apetushkov@9858:   HandleMark hm(THREAD);
apetushkov@9858:   JNIHandleBlockManager jni_handle_management(THREAD);
apetushkov@9858: 
apetushkov@9858:   JavaValue result(T_OBJECT);
apetushkov@9858:   JfrJavaArguments constructor_args(&result);
apetushkov@9858:   constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdCheck", CHECK);
apetushkov@9858:   const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK);
apetushkov@9858:   Handle h_dcmd_instance(THREAD, dcmd);
apetushkov@9858:   assert(h_dcmd_instance.not_null(), "invariant");
apetushkov@9858: 
apetushkov@9858:   jstring name = NULL;
apetushkov@9858:   if (_name.is_set() && _name.value() != NULL) {
apetushkov@9858:     name = JfrJavaSupport::new_string(_name.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject verbose = NULL;
apetushkov@9858:   if (_verbose.is_set()) {
apetushkov@9858:     verbose = JfrJavaSupport::new_java_lang_Boolean(_verbose.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   static const char klass[] = "jdk/jfr/internal/dcmd/DCmdCheck";
apetushkov@9858:   static const char method[] = "execute";
apetushkov@9858:   static const char signature[] = "(Ljava/lang/String;Ljava/lang/Boolean;)Ljava/lang/String;";
apetushkov@9858: 
apetushkov@9858:   JfrJavaArguments execute_args(&result, klass, method, signature, CHECK);
apetushkov@9858:   execute_args.set_receiver(h_dcmd_instance);
apetushkov@9858: 
apetushkov@9858:   // arguments
apetushkov@9858:   execute_args.push_jobject(name);
apetushkov@9858:   execute_args.push_jobject(verbose);
apetushkov@9858: 
apetushkov@9858:   JfrJavaSupport::call_virtual(&execute_args, THREAD);
apetushkov@9858:   handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD);
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: JfrStartFlightRecordingDCmd::JfrStartFlightRecordingDCmd(outputStream* output,
apetushkov@9858:                                                          bool heap) : DCmdWithParser(output, heap),
apetushkov@9858:   _name("name", "Name that can be used to identify recording, e.g. \\\"My Recording\\\"", "STRING", false, NULL),
apetushkov@9858:   _settings("settings", "Settings file(s), e.g. profile or default. See JRE_HOME/lib/jfr", "STRING SET", false),
apetushkov@9858:   _delay("delay", "Delay recording start with (s)econds, (m)inutes), (h)ours), or (d)ays, e.g. 5h.", "NANOTIME", false, "0"),
apetushkov@9858:   _duration("duration", "Duration of recording in (s)econds, (m)inutes, (h)ours, or (d)ays, e.g. 300s.", "NANOTIME", false, "0"),
apetushkov@9858:   _filename("filename", "Resulting recording filename, e.g. \\\"" JFR_FILENAME_EXAMPLE "\\\"", "STRING", false),
apetushkov@9858:   _disk("disk", "Recording should be persisted to disk", "BOOLEAN", false),
apetushkov@9858:   _maxage("maxage", "Maximum time to keep recorded data (on disk) in (s)econds, (m)inutes, (h)ours, or (d)ays, e.g. 60m, or 0 for no limit", "NANOTIME", false, "0"),
apetushkov@9858:   _maxsize("maxsize", "Maximum amount of bytes to keep (on disk) in (k)B, (M)B or (G)B, e.g. 500M, or 0 for no limit", "MEMORY SIZE", false, "0"),
apetushkov@9858:   _dump_on_exit("dumponexit", "Dump running recording when JVM shuts down", "BOOLEAN", false),
apetushkov@9858:   _path_to_gc_roots("path-to-gc-roots", "Collect path to GC roots", "BOOLEAN", false, "false") {
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_name);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_settings);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_delay);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_duration);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_disk);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_filename);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_maxage);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_maxsize);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_dump_on_exit);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_path_to_gc_roots);
apetushkov@9858: };
apetushkov@9858: 
apetushkov@9858: int JfrStartFlightRecordingDCmd::num_arguments() {
apetushkov@9858:   ResourceMark rm;
apetushkov@9858:   JfrStartFlightRecordingDCmd* dcmd = new JfrStartFlightRecordingDCmd(NULL, false);
apetushkov@9858:   if (dcmd != NULL) {
apetushkov@9858:     DCmdMark mark(dcmd);
apetushkov@9858:     return dcmd->_dcmdparser.num_arguments();
apetushkov@9858:   }
apetushkov@9858:   return 0;
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: void JfrStartFlightRecordingDCmd::execute(DCmdSource source, TRAPS) {
apetushkov@9858:   DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
apetushkov@9858: 
apetushkov@9858:   if (invalid_state(output(), THREAD)) {
apetushkov@9858:     return;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   ResourceMark rm(THREAD);
apetushkov@9858:   HandleMark hm(THREAD);
apetushkov@9858:   JNIHandleBlockManager jni_handle_management(THREAD);
apetushkov@9858: 
apetushkov@9858:   JavaValue result(T_OBJECT);
apetushkov@9858:   JfrJavaArguments constructor_args(&result);
apetushkov@9858:   constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdStart", THREAD);
apetushkov@9858:   const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK);
apetushkov@9858:   Handle h_dcmd_instance(THREAD, dcmd);
apetushkov@9858:   assert(h_dcmd_instance.not_null(), "invariant");
apetushkov@9858: 
apetushkov@9858:   jstring name = NULL;
apetushkov@9858:   if (_name.is_set() && _name.value() != NULL) {
apetushkov@9858:     name = JfrJavaSupport::new_string(_name.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jstring filename = NULL;
apetushkov@9858:   if (_filename.is_set() && _filename.value() != NULL) {
apetushkov@9858:     filename = JfrJavaSupport::new_string(_filename.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject maxage = NULL;
apetushkov@9858:   if (_maxage.is_set()) {
apetushkov@9858:     maxage = JfrJavaSupport::new_java_lang_Long(_maxage.value()._nanotime, CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject maxsize = NULL;
apetushkov@9858:   if (_maxsize.is_set()) {
apetushkov@9858:     maxsize = JfrJavaSupport::new_java_lang_Long(_maxsize.value()._size, CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject duration = NULL;
apetushkov@9858:   if (_duration.is_set()) {
apetushkov@9858:     duration = JfrJavaSupport::new_java_lang_Long(_duration.value()._nanotime, CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject delay = NULL;
apetushkov@9858:   if (_delay.is_set()) {
apetushkov@9858:     delay = JfrJavaSupport::new_java_lang_Long(_delay.value()._nanotime, CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject disk = NULL;
apetushkov@9858:   if (_disk.is_set()) {
apetushkov@9858:     disk = JfrJavaSupport::new_java_lang_Boolean(_disk.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject dump_on_exit = NULL;
apetushkov@9858:   if (_dump_on_exit.is_set()) {
apetushkov@9858:     dump_on_exit = JfrJavaSupport::new_java_lang_Boolean(_dump_on_exit.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject path_to_gc_roots = NULL;
apetushkov@9858:   if (_path_to_gc_roots.is_set()) {
apetushkov@9858:     path_to_gc_roots = JfrJavaSupport::new_java_lang_Boolean(_path_to_gc_roots.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobjectArray settings = NULL;
apetushkov@9858:   if (_settings.is_set()) {
egahlin@9883:     int length = _settings.value()->array()->length();
egahlin@9883:     if (length == 1) {
egahlin@9883:       const char* c_str = _settings.value()->array()->at(0);
egahlin@9883:       if (strcmp(c_str, "none") == 0) {
egahlin@9883:         length = 0;
egahlin@9883:       }
egahlin@9883:     }
apetushkov@9858:     settings = JfrJavaSupport::new_string_array(length, CHECK);
apetushkov@9858:     assert(settings != NULL, "invariant");
apetushkov@9858:     for (int i = 0; i < length; ++i) {
apetushkov@9858:       jobject element = JfrJavaSupport::new_string(_settings.value()->array()->at(i), CHECK);
apetushkov@9858:       assert(element != NULL, "invariant");
apetushkov@9858:       JfrJavaSupport::set_array_element(settings, element, i, CHECK);
apetushkov@9858:     }
egahlin@9889:   } else {
egahlin@9889:     settings = JfrJavaSupport::new_string_array(1, CHECK);
egahlin@9889:     assert(settings != NULL, "invariant");
egahlin@9889:     jobject element = JfrJavaSupport::new_string("default", CHECK);
egahlin@9889:     assert(element != NULL, "invariant");
egahlin@9889:     JfrJavaSupport::set_array_element(settings, element, 0, CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   static const char klass[] = "jdk/jfr/internal/dcmd/DCmdStart";
apetushkov@9858:   static const char method[] = "execute";
apetushkov@9858:   static const char signature[] = "(Ljava/lang/String;[Ljava/lang/String;Ljava/lang/Long;"
apetushkov@9858:     "Ljava/lang/Long;Ljava/lang/Boolean;Ljava/lang/String;"
apetushkov@9858:     "Ljava/lang/Long;Ljava/lang/Long;Ljava/lang/Boolean;Ljava/lang/Boolean;)Ljava/lang/String;";
apetushkov@9858: 
apetushkov@9858:   JfrJavaArguments execute_args(&result, klass, method, signature, CHECK);
apetushkov@9858:   execute_args.set_receiver(h_dcmd_instance);
apetushkov@9858: 
apetushkov@9858:   // arguments
apetushkov@9858:   execute_args.push_jobject(name);
apetushkov@9858:   execute_args.push_jobject(settings);
apetushkov@9858:   execute_args.push_jobject(delay);
apetushkov@9858:   execute_args.push_jobject(duration);
apetushkov@9858:   execute_args.push_jobject(disk);
apetushkov@9858:   execute_args.push_jobject(filename);
apetushkov@9858:   execute_args.push_jobject(maxage);
apetushkov@9858:   execute_args.push_jobject(maxsize);
apetushkov@9858:   execute_args.push_jobject(dump_on_exit);
apetushkov@9858:   execute_args.push_jobject(path_to_gc_roots);
apetushkov@9858: 
apetushkov@9858:   JfrJavaSupport::call_virtual(&execute_args, THREAD);
apetushkov@9858:   handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD);
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: JfrStopFlightRecordingDCmd::JfrStopFlightRecordingDCmd(outputStream* output,
apetushkov@9858:                                                        bool heap) : DCmdWithParser(output, heap),
apetushkov@9858:   _name("name", "Recording text,.e.g \\\"My Recording\\\"", "STRING", true, NULL),
apetushkov@9858:   _filename("filename", "Copy recording data to file, e.g. \\\"" JFR_FILENAME_EXAMPLE "\\\"", "STRING", false, NULL) {
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_name);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_filename);
apetushkov@9858: };
apetushkov@9858: 
apetushkov@9858: int JfrStopFlightRecordingDCmd::num_arguments() {
apetushkov@9858:   ResourceMark rm;
apetushkov@9858:   JfrStopFlightRecordingDCmd* dcmd = new JfrStopFlightRecordingDCmd(NULL, false);
apetushkov@9858:   if (dcmd != NULL) {
apetushkov@9858:     DCmdMark mark(dcmd);
apetushkov@9858:     return dcmd->_dcmdparser.num_arguments();
apetushkov@9858:   }
apetushkov@9858:   return 0;
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: void JfrStopFlightRecordingDCmd::execute(DCmdSource source, TRAPS) {
apetushkov@9858:   DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
apetushkov@9858: 
apetushkov@9858:   if (invalid_state(output(), THREAD) || !is_recorder_instance_created(output())) {
apetushkov@9858:     return;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   ResourceMark rm(THREAD);
apetushkov@9858:   HandleMark hm(THREAD);
apetushkov@9858:   JNIHandleBlockManager jni_handle_management(THREAD);
apetushkov@9858: 
apetushkov@9858:   JavaValue result(T_OBJECT);
apetushkov@9858:   JfrJavaArguments constructor_args(&result);
apetushkov@9858:   constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdStop", CHECK);
apetushkov@9858:   const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK);
apetushkov@9858:   Handle h_dcmd_instance(THREAD, dcmd);
apetushkov@9858:   assert(h_dcmd_instance.not_null(), "invariant");
apetushkov@9858: 
apetushkov@9858:   jstring name = NULL;
apetushkov@9858:   if (_name.is_set() && _name.value()  != NULL) {
apetushkov@9858:     name = JfrJavaSupport::new_string(_name.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jstring filepath = NULL;
apetushkov@9858:   if (_filename.is_set() && _filename.value() != NULL) {
apetushkov@9858:     filepath = JfrJavaSupport::new_string(_filename.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   static const char klass[] = "jdk/jfr/internal/dcmd/DCmdStop";
apetushkov@9858:   static const char method[] = "execute";
apetushkov@9858:   static const char signature[] = "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;";
apetushkov@9858: 
apetushkov@9858:   JfrJavaArguments execute_args(&result, klass, method, signature, CHECK);
apetushkov@9858:   execute_args.set_receiver(h_dcmd_instance);
apetushkov@9858: 
apetushkov@9858:   // arguments
apetushkov@9858:   execute_args.push_jobject(name);
apetushkov@9858:   execute_args.push_jobject(filepath);
apetushkov@9858: 
apetushkov@9858:   JfrJavaSupport::call_virtual(&execute_args, THREAD);
apetushkov@9858:   handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD);
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: JfrConfigureFlightRecorderDCmd::JfrConfigureFlightRecorderDCmd(outputStream* output,
apetushkov@9858:                                                                bool heap) : DCmdWithParser(output, heap),
apetushkov@9858:   _repository_path("repositorypath", "Path to repository,.e.g \\\"My Repository\\\"", "STRING", false, NULL),
apetushkov@9858:   _dump_path("dumppath", "Path to dump,.e.g \\\"My Dump path\\\"", "STRING", false, NULL),
ysuenaga@9870:   _stack_depth("stackdepth", "Stack Depth", "JULONG", false, "64"),
ysuenaga@9870:   _global_buffer_count("globalbuffercount", "Number of global buffers,", "JULONG", false, "20"),
ysuenaga@9870:   _global_buffer_size("globalbuffersize", "Size of a global buffers,", "MEMORY SIZE", false, "512k"),
ysuenaga@9870:   _thread_buffer_size("thread_buffer_size", "Size of a thread buffer", "MEMORY SIZE", false, "8k"),
ysuenaga@9870:   _memory_size("memorysize", "Overall memory size, ", "MEMORY SIZE", false, "10m"),
ysuenaga@9870:   _max_chunk_size("maxchunksize", "Size of an individual disk chunk", "MEMORY SIZE", false, "12m"),
apetushkov@9858:   _sample_threads("samplethreads", "Activate Thread sampling", "BOOLEAN", false, "true") {
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_repository_path);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_dump_path);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_stack_depth);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_global_buffer_count);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_global_buffer_size);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_thread_buffer_size);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_memory_size);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_max_chunk_size);
apetushkov@9858:   _dcmdparser.add_dcmd_option(&_sample_threads);
apetushkov@9858: };
apetushkov@9858: 
apetushkov@9858: int JfrConfigureFlightRecorderDCmd::num_arguments() {
apetushkov@9858:   ResourceMark rm;
apetushkov@9858:   JfrConfigureFlightRecorderDCmd* dcmd = new JfrConfigureFlightRecorderDCmd(NULL, false);
apetushkov@9858:   if (dcmd != NULL) {
apetushkov@9858:     DCmdMark mark(dcmd);
apetushkov@9858:     return dcmd->_dcmdparser.num_arguments();
apetushkov@9858:   }
apetushkov@9858:   return 0;
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: void JfrConfigureFlightRecorderDCmd::execute(DCmdSource source, TRAPS) {
apetushkov@9858:   DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
apetushkov@9858: 
apetushkov@9858:   if (invalid_state(output(), THREAD)) {
apetushkov@9858:     return;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   ResourceMark rm(THREAD);
apetushkov@9858:   HandleMark hm(THREAD);
apetushkov@9858:   JNIHandleBlockManager jni_handle_management(THREAD);
apetushkov@9858: 
apetushkov@9858:   JavaValue result(T_OBJECT);
apetushkov@9858:   JfrJavaArguments constructor_args(&result);
apetushkov@9858:   constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdConfigure", CHECK);
apetushkov@9858:   const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK);
apetushkov@9858:   Handle h_dcmd_instance(THREAD, dcmd);
apetushkov@9858:   assert(h_dcmd_instance.not_null(), "invariant");
apetushkov@9858: 
apetushkov@9858:   jstring repository_path = NULL;
apetushkov@9858:   if (_repository_path.is_set() && _repository_path.value() != NULL) {
apetushkov@9858:     repository_path = JfrJavaSupport::new_string(_repository_path.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jstring dump_path = NULL;
apetushkov@9858:   if (_dump_path.is_set() && _dump_path.value() != NULL) {
apetushkov@9858:     dump_path = JfrJavaSupport::new_string(_dump_path.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject stack_depth = NULL;
apetushkov@9858:   if (_stack_depth.is_set()) {
apetushkov@9858:     stack_depth = JfrJavaSupport::new_java_lang_Integer((jint)_stack_depth.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject global_buffer_count = NULL;
apetushkov@9858:   if (_global_buffer_count.is_set()) {
apetushkov@9858:     global_buffer_count = JfrJavaSupport::new_java_lang_Long(_global_buffer_count.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject global_buffer_size = NULL;
apetushkov@9858:   if (_global_buffer_size.is_set()) {
ysuenaga@9870:     global_buffer_size = JfrJavaSupport::new_java_lang_Long(_global_buffer_size.value()._size, CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject thread_buffer_size = NULL;
apetushkov@9858:   if (_thread_buffer_size.is_set()) {
ysuenaga@9870:     thread_buffer_size = JfrJavaSupport::new_java_lang_Long(_thread_buffer_size.value()._size, CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject max_chunk_size = NULL;
apetushkov@9858:   if (_max_chunk_size.is_set()) {
ysuenaga@9870:     max_chunk_size = JfrJavaSupport::new_java_lang_Long(_max_chunk_size.value()._size, CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject memory_size = NULL;
apetushkov@9858:   if (_memory_size.is_set()) {
ysuenaga@9870:     memory_size = JfrJavaSupport::new_java_lang_Long(_memory_size.value()._size, CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject sample_threads = NULL;
apetushkov@9858:   if (_sample_threads.is_set()) {
apetushkov@9858:     sample_threads = JfrJavaSupport::new_java_lang_Boolean(_sample_threads.value(), CHECK);
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   static const char klass[] = "jdk/jfr/internal/dcmd/DCmdConfigure";
apetushkov@9858:   static const char method[] = "execute";
apetushkov@9858:   static const char signature[] = "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Integer;"
apetushkov@9858:     "Ljava/lang/Long;Ljava/lang/Long;Ljava/lang/Long;Ljava/lang/Long;"
apetushkov@9858:     "Ljava/lang/Long;Ljava/lang/Boolean;)Ljava/lang/String;";
apetushkov@9858: 
apetushkov@9858:   JfrJavaArguments execute_args(&result, klass, method, signature, CHECK);
apetushkov@9858:   execute_args.set_receiver(h_dcmd_instance);
apetushkov@9858: 
apetushkov@9858:   // params
apetushkov@9858:   execute_args.push_jobject(repository_path);
apetushkov@9858:   execute_args.push_jobject(dump_path);
apetushkov@9858:   execute_args.push_jobject(stack_depth);
apetushkov@9858:   execute_args.push_jobject(global_buffer_count);
apetushkov@9858:   execute_args.push_jobject(global_buffer_size);
apetushkov@9858:   execute_args.push_jobject(thread_buffer_size);
apetushkov@9858:   execute_args.push_jobject(memory_size);
apetushkov@9858:   execute_args.push_jobject(max_chunk_size);
apetushkov@9858:   execute_args.push_jobject(sample_threads);
apetushkov@9858: 
apetushkov@9858:   JfrJavaSupport::call_virtual(&execute_args, THREAD);
apetushkov@9858:   handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD);
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: bool register_jfr_dcmds() {
apetushkov@9858:   uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI | DCmd_Source_MBean;
apetushkov@9858:   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrCheckFlightRecordingDCmd>(full_export, true, false));
apetushkov@9858:   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrDumpFlightRecordingDCmd>(full_export, true, false));
apetushkov@9858:   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrStartFlightRecordingDCmd>(full_export, true, false));
apetushkov@9858:   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrStopFlightRecordingDCmd>(full_export, true, false));
apetushkov@9858:   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrConfigureFlightRecorderDCmd>(full_export, true, false));
apetushkov@9858: 
apetushkov@9858:   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrUnlockCommercialFeaturesDCmd>(full_export, true, false));
apetushkov@9858:   return true;
apetushkov@9858: }
apetushkov@9858: