| /* |
| * Copyright (c) 2012, 2019, 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/javaClasses.hpp" |
| #include "classfile/vmSymbols.hpp" |
| #include "jfr/jfr.hpp" |
| #include "jfr/dcmd/jfrDcmds.hpp" |
| #include "jfr/jni/jfrJavaSupport.hpp" |
| #include "jfr/recorder/jfrRecorder.hpp" |
| #include "jfr/recorder/service/jfrOptionSet.hpp" |
| #include "memory/resourceArea.hpp" |
| #include "oops/oop.inline.hpp" |
| #include "oops/symbol.hpp" |
| #include "runtime/handles.inline.hpp" |
| #include "services/diagnosticArgument.hpp" |
| #include "services/diagnosticFramework.hpp" |
| #include "utilities/globalDefinitions.hpp" |
| |
| #ifdef _WINDOWS |
| #define JFR_FILENAME_EXAMPLE "C:\\Users\\user\\My Recording.jfr" |
| #endif |
| |
| #ifdef __APPLE__ |
| #define JFR_FILENAME_EXAMPLE "/Users/user/My Recording.jfr" |
| #endif |
| |
| #ifndef JFR_FILENAME_EXAMPLE |
| #define JFR_FILENAME_EXAMPLE "/home/user/My Recording.jfr" |
| #endif |
| |
| // JNIHandle management |
| |
| // ------------------------------------------------------------------ |
| // push_jni_handle_block |
| // |
| // Push on a new block of JNI handles. |
| static void push_jni_handle_block(Thread* const thread) { |
| DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(thread)); |
| |
| // Allocate a new block for JNI handles. |
| // Inlined code from jni_PushLocalFrame() |
| JNIHandleBlock* prev_handles = thread->active_handles(); |
| JNIHandleBlock* entry_handles = JNIHandleBlock::allocate_block(thread); |
| assert(entry_handles != NULL && prev_handles != NULL, "should not be NULL"); |
| entry_handles->set_pop_frame_link(prev_handles); // make sure prev handles get gc'd. |
| thread->set_active_handles(entry_handles); |
| } |
| |
| // ------------------------------------------------------------------ |
| // pop_jni_handle_block |
| // |
| // Pop off the current block of JNI handles. |
| static void pop_jni_handle_block(Thread* const thread) { |
| DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(thread)); |
| |
| // Release our JNI handle block |
| JNIHandleBlock* entry_handles = thread->active_handles(); |
| JNIHandleBlock* prev_handles = entry_handles->pop_frame_link(); |
| // restore |
| thread->set_active_handles(prev_handles); |
| entry_handles->set_pop_frame_link(NULL); |
| JNIHandleBlock::release_block(entry_handles, thread); // may block |
| } |
| |
| class JNIHandleBlockManager : public StackObj { |
| private: |
| Thread* const _thread; |
| public: |
| JNIHandleBlockManager(Thread* thread) : _thread(thread) { |
| push_jni_handle_block(_thread); |
| } |
| |
| ~JNIHandleBlockManager() { |
| pop_jni_handle_block(_thread); |
| } |
| }; |
| |
| static bool is_module_available(outputStream* output, TRAPS) { |
| return JfrJavaSupport::is_jdk_jfr_module_available(output, THREAD); |
| } |
| |
| static bool is_disabled(outputStream* output) { |
| if (Jfr::is_disabled()) { |
| if (output != NULL) { |
| output->print_cr("Flight Recorder is disabled.\n"); |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| static bool is_recorder_instance_created(outputStream* output) { |
| if (!JfrRecorder::is_created()) { |
| if (output != NULL) { |
| output->print_cr("No available recordings.\n"); |
| output->print_cr("Use JFR.start to start a recording.\n"); |
| } |
| return false; |
| } |
| return true; |
| } |
| |
| static bool invalid_state(outputStream* out, TRAPS) { |
| DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD)); |
| return is_disabled(out) || !is_module_available(out, THREAD); |
| } |
| |
| static void print_pending_exception(outputStream* output, oop throwable) { |
| assert(throwable != NULL, "invariant"); |
| |
| oop msg = java_lang_Throwable::message(throwable); |
| |
| if (msg != NULL) { |
| char* text = java_lang_String::as_utf8_string(msg); |
| output->print_raw_cr(text); |
| } |
| } |
| |
| static void print_message(outputStream* output, const char* message) { |
| if (message != NULL) { |
| output->print_raw(message); |
| } |
| } |
| |
| static void handle_dcmd_result(outputStream* output, |
| const oop result, |
| const DCmdSource source, |
| TRAPS) { |
| DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD)); |
| assert(output != NULL, "invariant"); |
| if (HAS_PENDING_EXCEPTION) { |
| print_pending_exception(output, PENDING_EXCEPTION); |
| // Don't clear excption on startup, JVM should fail initialization. |
| if (DCmd_Source_Internal != source) { |
| CLEAR_PENDING_EXCEPTION; |
| } |
| return; |
| } |
| |
| assert(!HAS_PENDING_EXCEPTION, "invariant"); |
| |
| if (result != NULL) { |
| const char* result_chars = java_lang_String::as_utf8_string(result); |
| print_message(output, result_chars); |
| } |
| } |
| |
| static oop construct_dcmd_instance(JfrJavaArguments* args, TRAPS) { |
| assert(args != NULL, "invariant"); |
| DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD)); |
| assert(args->klass() != NULL, "invariant"); |
| args->set_name("<init>"); |
| args->set_signature("()V"); |
| JfrJavaSupport::new_object(args, CHECK_NULL); |
| return (oop)args->result()->get_jobject(); |
| } |
| |
| JfrDumpFlightRecordingDCmd::JfrDumpFlightRecordingDCmd(outputStream* output, |
| bool heap) : DCmdWithParser(output, heap), |
| _name("name", "Recording name, e.g. \\\"My Recording\\\"", "STRING", false, NULL), |
| _filename("filename", "Copy recording data to file, e.g. \\\"" JFR_FILENAME_EXAMPLE "\\\"", "STRING", false), |
| _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"), |
| _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"), |
| _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), |
| _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), |
| _path_to_gc_roots("path-to-gc-roots", "Collect path to GC roots", "BOOLEAN", false, "false") { |
| _dcmdparser.add_dcmd_option(&_name); |
| _dcmdparser.add_dcmd_option(&_filename); |
| _dcmdparser.add_dcmd_option(&_maxage); |
| _dcmdparser.add_dcmd_option(&_maxsize); |
| _dcmdparser.add_dcmd_option(&_begin); |
| _dcmdparser.add_dcmd_option(&_end); |
| _dcmdparser.add_dcmd_option(&_path_to_gc_roots); |
| }; |
| |
| int JfrDumpFlightRecordingDCmd::num_arguments() { |
| ResourceMark rm; |
| JfrDumpFlightRecordingDCmd* dcmd = new JfrDumpFlightRecordingDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } |
| return 0; |
| } |
| |
| void JfrDumpFlightRecordingDCmd::execute(DCmdSource source, TRAPS) { |
| DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD)); |
| |
| if (invalid_state(output(), THREAD) || !is_recorder_instance_created(output())) { |
| return; |
| } |
| |
| ResourceMark rm(THREAD); |
| HandleMark hm(THREAD); |
| JNIHandleBlockManager jni_handle_management(THREAD); |
| |
| JavaValue result(T_OBJECT); |
| JfrJavaArguments constructor_args(&result); |
| constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdDump", CHECK); |
| const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK); |
| Handle h_dcmd_instance(THREAD, dcmd); |
| assert(h_dcmd_instance.not_null(), "invariant"); |
| |
| jstring name = NULL; |
| if (_name.is_set() && _name.value() != NULL) { |
| name = JfrJavaSupport::new_string(_name.value(), CHECK); |
| } |
| |
| jstring filepath = NULL; |
| if (_filename.is_set() && _filename.value() != NULL) { |
| filepath = JfrJavaSupport::new_string(_filename.value(), CHECK); |
| } |
| |
| jobject maxage = NULL; |
| if (_maxage.is_set()) { |
| maxage = JfrJavaSupport::new_java_lang_Long(_maxage.value()._nanotime, CHECK); |
| } |
| |
| jobject maxsize = NULL; |
| if (_maxsize.is_set()) { |
| maxsize = JfrJavaSupport::new_java_lang_Long(_maxsize.value()._size, CHECK); |
| } |
| |
| jstring begin = NULL; |
| if (_begin.is_set() && _begin.value() != NULL) { |
| begin = JfrJavaSupport::new_string(_begin.value(), CHECK); |
| } |
| |
| jstring end = NULL; |
| if (_end.is_set() && _end.value() != NULL) { |
| end = JfrJavaSupport::new_string(_end.value(), CHECK); |
| } |
| |
| jobject path_to_gc_roots = NULL; |
| if (_path_to_gc_roots.is_set()) { |
| path_to_gc_roots = JfrJavaSupport::new_java_lang_Boolean(_path_to_gc_roots.value(), CHECK); |
| } |
| |
| static const char klass[] = "jdk/jfr/internal/dcmd/DCmdDump"; |
| static const char method[] = "execute"; |
| 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;"; |
| |
| JfrJavaArguments execute_args(&result, klass, method, signature, CHECK); |
| execute_args.set_receiver(h_dcmd_instance); |
| |
| // arguments |
| execute_args.push_jobject(name); |
| execute_args.push_jobject(filepath); |
| execute_args.push_jobject(maxage); |
| execute_args.push_jobject(maxsize); |
| execute_args.push_jobject(begin); |
| execute_args.push_jobject(end); |
| execute_args.push_jobject(path_to_gc_roots); |
| |
| JfrJavaSupport::call_virtual(&execute_args, THREAD); |
| handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD); |
| } |
| |
| JfrCheckFlightRecordingDCmd::JfrCheckFlightRecordingDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap), |
| _name("name","Recording name, e.g. \\\"My Recording\\\" or omit to see all recordings","STRING",false, NULL), |
| _verbose("verbose","Print event settings for the recording(s)","BOOLEAN", |
| false, "false") { |
| _dcmdparser.add_dcmd_option(&_name); |
| _dcmdparser.add_dcmd_option(&_verbose); |
| }; |
| |
| int JfrCheckFlightRecordingDCmd::num_arguments() { |
| ResourceMark rm; |
| JfrCheckFlightRecordingDCmd* dcmd = new JfrCheckFlightRecordingDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } |
| return 0; |
| } |
| |
| void JfrCheckFlightRecordingDCmd::execute(DCmdSource source, TRAPS) { |
| DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD)); |
| |
| if (invalid_state(output(), THREAD) || !is_recorder_instance_created(output())) { |
| return; |
| } |
| |
| ResourceMark rm(THREAD); |
| HandleMark hm(THREAD); |
| JNIHandleBlockManager jni_handle_management(THREAD); |
| |
| JavaValue result(T_OBJECT); |
| JfrJavaArguments constructor_args(&result); |
| constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdCheck", CHECK); |
| const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK); |
| Handle h_dcmd_instance(THREAD, dcmd); |
| assert(h_dcmd_instance.not_null(), "invariant"); |
| |
| jstring name = NULL; |
| if (_name.is_set() && _name.value() != NULL) { |
| name = JfrJavaSupport::new_string(_name.value(), CHECK); |
| } |
| |
| jobject verbose = NULL; |
| if (_verbose.is_set()) { |
| verbose = JfrJavaSupport::new_java_lang_Boolean(_verbose.value(), CHECK); |
| } |
| |
| static const char klass[] = "jdk/jfr/internal/dcmd/DCmdCheck"; |
| static const char method[] = "execute"; |
| static const char signature[] = "(Ljava/lang/String;Ljava/lang/Boolean;)Ljava/lang/String;"; |
| |
| JfrJavaArguments execute_args(&result, klass, method, signature, CHECK); |
| execute_args.set_receiver(h_dcmd_instance); |
| |
| // arguments |
| execute_args.push_jobject(name); |
| execute_args.push_jobject(verbose); |
| |
| JfrJavaSupport::call_virtual(&execute_args, THREAD); |
| handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD); |
| } |
| |
| JfrStartFlightRecordingDCmd::JfrStartFlightRecordingDCmd(outputStream* output, |
| bool heap) : DCmdWithParser(output, heap), |
| _name("name", "Name that can be used to identify recording, e.g. \\\"My Recording\\\"", "STRING", false, NULL), |
| _settings("settings", "Settings file(s), e.g. profile or default. See JRE_HOME/lib/jfr", "STRING SET", false), |
| _delay("delay", "Delay recording start with (s)econds, (m)inutes), (h)ours), or (d)ays, e.g. 5h.", "NANOTIME", false, "0"), |
| _duration("duration", "Duration of recording in (s)econds, (m)inutes, (h)ours, or (d)ays, e.g. 300s.", "NANOTIME", false, "0"), |
| _disk("disk", "Recording should be persisted to disk", "BOOLEAN", false), |
| _filename("filename", "Resulting recording filename, e.g. \\\"" JFR_FILENAME_EXAMPLE "\\\"", "STRING", false), |
| _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"), |
| _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"), |
| _flush_interval("flush-interval", "Minimum time before flushing buffers, measured in (s)econds, e.g. 4 s, or 0 for flushing when a recording ends", "NANOTIME", false, "1s"), |
| _dump_on_exit("dumponexit", "Dump running recording when JVM shuts down", "BOOLEAN", false), |
| _path_to_gc_roots("path-to-gc-roots", "Collect path to GC roots", "BOOLEAN", false, "false") { |
| _dcmdparser.add_dcmd_option(&_name); |
| _dcmdparser.add_dcmd_option(&_settings); |
| _dcmdparser.add_dcmd_option(&_delay); |
| _dcmdparser.add_dcmd_option(&_duration); |
| _dcmdparser.add_dcmd_option(&_disk); |
| _dcmdparser.add_dcmd_option(&_filename); |
| _dcmdparser.add_dcmd_option(&_maxage); |
| _dcmdparser.add_dcmd_option(&_maxsize); |
| _dcmdparser.add_dcmd_option(&_flush_interval); |
| _dcmdparser.add_dcmd_option(&_dump_on_exit); |
| _dcmdparser.add_dcmd_option(&_path_to_gc_roots); |
| }; |
| |
| int JfrStartFlightRecordingDCmd::num_arguments() { |
| ResourceMark rm; |
| JfrStartFlightRecordingDCmd* dcmd = new JfrStartFlightRecordingDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } |
| return 0; |
| } |
| |
| void JfrStartFlightRecordingDCmd::execute(DCmdSource source, TRAPS) { |
| DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD)); |
| |
| if (invalid_state(output(), THREAD)) { |
| return; |
| } |
| |
| ResourceMark rm(THREAD); |
| HandleMark hm(THREAD); |
| JNIHandleBlockManager jni_handle_management(THREAD); |
| |
| JavaValue result(T_OBJECT); |
| JfrJavaArguments constructor_args(&result); |
| constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdStart", THREAD); |
| const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK); |
| Handle h_dcmd_instance(THREAD, dcmd); |
| assert(h_dcmd_instance.not_null(), "invariant"); |
| |
| jstring name = NULL; |
| if (_name.is_set() && _name.value() != NULL) { |
| name = JfrJavaSupport::new_string(_name.value(), CHECK); |
| } |
| |
| jstring filename = NULL; |
| if (_filename.is_set() && _filename.value() != NULL) { |
| filename = JfrJavaSupport::new_string(_filename.value(), CHECK); |
| } |
| |
| jobject maxage = NULL; |
| if (_maxage.is_set()) { |
| maxage = JfrJavaSupport::new_java_lang_Long(_maxage.value()._nanotime, CHECK); |
| } |
| |
| jobject maxsize = NULL; |
| if (_maxsize.is_set()) { |
| maxsize = JfrJavaSupport::new_java_lang_Long(_maxsize.value()._size, CHECK); |
| } |
| |
| jobject flush_interval = NULL; |
| if (_flush_interval.is_set()) { |
| flush_interval = JfrJavaSupport::new_java_lang_Long(_flush_interval.value()._nanotime, CHECK); |
| } |
| jobject duration = NULL; |
| if (_duration.is_set()) { |
| duration = JfrJavaSupport::new_java_lang_Long(_duration.value()._nanotime, CHECK); |
| } |
| |
| jobject delay = NULL; |
| if (_delay.is_set()) { |
| delay = JfrJavaSupport::new_java_lang_Long(_delay.value()._nanotime, CHECK); |
| } |
| |
| jobject disk = NULL; |
| if (_disk.is_set()) { |
| disk = JfrJavaSupport::new_java_lang_Boolean(_disk.value(), CHECK); |
| } |
| |
| jobject dump_on_exit = NULL; |
| if (_dump_on_exit.is_set()) { |
| dump_on_exit = JfrJavaSupport::new_java_lang_Boolean(_dump_on_exit.value(), CHECK); |
| } |
| |
| jobject path_to_gc_roots = NULL; |
| if (_path_to_gc_roots.is_set()) { |
| path_to_gc_roots = JfrJavaSupport::new_java_lang_Boolean(_path_to_gc_roots.value(), CHECK); |
| } |
| |
| jobjectArray settings = NULL; |
| if (_settings.is_set()) { |
| int length = _settings.value()->array()->length(); |
| if (length == 1) { |
| const char* c_str = _settings.value()->array()->at(0); |
| if (strcmp(c_str, "none") == 0) { |
| length = 0; |
| } |
| } |
| settings = JfrJavaSupport::new_string_array(length, CHECK); |
| assert(settings != NULL, "invariant"); |
| for (int i = 0; i < length; ++i) { |
| jobject element = JfrJavaSupport::new_string(_settings.value()->array()->at(i), CHECK); |
| assert(element != NULL, "invariant"); |
| JfrJavaSupport::set_array_element(settings, element, i, CHECK); |
| } |
| } else { |
| settings = JfrJavaSupport::new_string_array(1, CHECK); |
| assert(settings != NULL, "invariant"); |
| jobject element = JfrJavaSupport::new_string("default", CHECK); |
| assert(element != NULL, "invariant"); |
| JfrJavaSupport::set_array_element(settings, element, 0, CHECK); |
| } |
| |
| static const char klass[] = "jdk/jfr/internal/dcmd/DCmdStart"; |
| static const char method[] = "execute"; |
| static const char signature[] = "(Ljava/lang/String;[Ljava/lang/String;Ljava/lang/Long;" |
| "Ljava/lang/Long;Ljava/lang/Boolean;Ljava/lang/String;" |
| "Ljava/lang/Long;Ljava/lang/Long;Ljava/lang/Long;Ljava/lang/Boolean;Ljava/lang/Boolean;)Ljava/lang/String;"; |
| |
| JfrJavaArguments execute_args(&result, klass, method, signature, CHECK); |
| execute_args.set_receiver(h_dcmd_instance); |
| |
| // arguments |
| execute_args.push_jobject(name); |
| execute_args.push_jobject(settings); |
| execute_args.push_jobject(delay); |
| execute_args.push_jobject(duration); |
| execute_args.push_jobject(disk); |
| execute_args.push_jobject(filename); |
| execute_args.push_jobject(maxage); |
| execute_args.push_jobject(maxsize); |
| execute_args.push_jobject(flush_interval); |
| execute_args.push_jobject(dump_on_exit); |
| execute_args.push_jobject(path_to_gc_roots); |
| |
| JfrJavaSupport::call_virtual(&execute_args, THREAD); |
| handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD); |
| } |
| |
| JfrStopFlightRecordingDCmd::JfrStopFlightRecordingDCmd(outputStream* output, |
| bool heap) : DCmdWithParser(output, heap), |
| _name("name", "Recording text,.e.g \\\"My Recording\\\"", "STRING", true, NULL), |
| _filename("filename", "Copy recording data to file, e.g. \\\"" JFR_FILENAME_EXAMPLE "\\\"", "STRING", false, NULL) { |
| _dcmdparser.add_dcmd_option(&_name); |
| _dcmdparser.add_dcmd_option(&_filename); |
| }; |
| |
| int JfrStopFlightRecordingDCmd::num_arguments() { |
| ResourceMark rm; |
| JfrStopFlightRecordingDCmd* dcmd = new JfrStopFlightRecordingDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } |
| return 0; |
| } |
| |
| void JfrStopFlightRecordingDCmd::execute(DCmdSource source, TRAPS) { |
| DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD)); |
| |
| if (invalid_state(output(), THREAD) || !is_recorder_instance_created(output())) { |
| return; |
| } |
| |
| ResourceMark rm(THREAD); |
| HandleMark hm(THREAD); |
| JNIHandleBlockManager jni_handle_management(THREAD); |
| |
| JavaValue result(T_OBJECT); |
| JfrJavaArguments constructor_args(&result); |
| constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdStop", CHECK); |
| const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK); |
| Handle h_dcmd_instance(THREAD, dcmd); |
| assert(h_dcmd_instance.not_null(), "invariant"); |
| |
| jstring name = NULL; |
| if (_name.is_set() && _name.value() != NULL) { |
| name = JfrJavaSupport::new_string(_name.value(), CHECK); |
| } |
| |
| jstring filepath = NULL; |
| if (_filename.is_set() && _filename.value() != NULL) { |
| filepath = JfrJavaSupport::new_string(_filename.value(), CHECK); |
| } |
| |
| static const char klass[] = "jdk/jfr/internal/dcmd/DCmdStop"; |
| static const char method[] = "execute"; |
| static const char signature[] = "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"; |
| |
| JfrJavaArguments execute_args(&result, klass, method, signature, CHECK); |
| execute_args.set_receiver(h_dcmd_instance); |
| |
| // arguments |
| execute_args.push_jobject(name); |
| execute_args.push_jobject(filepath); |
| |
| JfrJavaSupport::call_virtual(&execute_args, THREAD); |
| handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD); |
| } |
| |
| JfrConfigureFlightRecorderDCmd::JfrConfigureFlightRecorderDCmd(outputStream* output, |
| bool heap) : DCmdWithParser(output, heap), |
| _repository_path("repositorypath", "Path to repository,.e.g \\\"My Repository\\\"", "STRING", false, NULL), |
| _dump_path("dumppath", "Path to dump,.e.g \\\"My Dump path\\\"", "STRING", false, NULL), |
| _stack_depth("stackdepth", "Stack Depth", "JULONG", false, "64"), |
| _global_buffer_count("globalbuffercount", "Number of global buffers,", "JULONG", false, "20"), |
| _global_buffer_size("globalbuffersize", "Size of a global buffers,", "MEMORY SIZE", false, "512k"), |
| _thread_buffer_size("thread_buffer_size", "Size of a thread buffer", "MEMORY SIZE", false, "8k"), |
| _memory_size("memorysize", "Overall memory size, ", "MEMORY SIZE", false, "10m"), |
| _max_chunk_size("maxchunksize", "Size of an individual disk chunk", "MEMORY SIZE", false, "12m"), |
| _sample_threads("samplethreads", "Activate Thread sampling", "BOOLEAN", false, "true") { |
| _dcmdparser.add_dcmd_option(&_repository_path); |
| _dcmdparser.add_dcmd_option(&_dump_path); |
| _dcmdparser.add_dcmd_option(&_stack_depth); |
| _dcmdparser.add_dcmd_option(&_global_buffer_count); |
| _dcmdparser.add_dcmd_option(&_global_buffer_size); |
| _dcmdparser.add_dcmd_option(&_thread_buffer_size); |
| _dcmdparser.add_dcmd_option(&_memory_size); |
| _dcmdparser.add_dcmd_option(&_max_chunk_size); |
| _dcmdparser.add_dcmd_option(&_sample_threads); |
| }; |
| |
| int JfrConfigureFlightRecorderDCmd::num_arguments() { |
| ResourceMark rm; |
| JfrConfigureFlightRecorderDCmd* dcmd = new JfrConfigureFlightRecorderDCmd(NULL, false); |
| if (dcmd != NULL) { |
| DCmdMark mark(dcmd); |
| return dcmd->_dcmdparser.num_arguments(); |
| } |
| return 0; |
| } |
| |
| void JfrConfigureFlightRecorderDCmd::execute(DCmdSource source, TRAPS) { |
| DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD)); |
| |
| if (invalid_state(output(), THREAD)) { |
| return; |
| } |
| |
| ResourceMark rm(THREAD); |
| HandleMark hm(THREAD); |
| JNIHandleBlockManager jni_handle_management(THREAD); |
| |
| JavaValue result(T_OBJECT); |
| JfrJavaArguments constructor_args(&result); |
| constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdConfigure", CHECK); |
| const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK); |
| Handle h_dcmd_instance(THREAD, dcmd); |
| assert(h_dcmd_instance.not_null(), "invariant"); |
| |
| jstring repository_path = NULL; |
| if (_repository_path.is_set() && _repository_path.value() != NULL) { |
| repository_path = JfrJavaSupport::new_string(_repository_path.value(), CHECK); |
| } |
| |
| jstring dump_path = NULL; |
| if (_dump_path.is_set() && _dump_path.value() != NULL) { |
| dump_path = JfrJavaSupport::new_string(_dump_path.value(), CHECK); |
| } |
| |
| jobject stack_depth = NULL; |
| if (_stack_depth.is_set()) { |
| stack_depth = JfrJavaSupport::new_java_lang_Integer((jint)_stack_depth.value(), CHECK); |
| } |
| |
| jobject global_buffer_count = NULL; |
| if (_global_buffer_count.is_set()) { |
| global_buffer_count = JfrJavaSupport::new_java_lang_Long(_global_buffer_count.value(), CHECK); |
| } |
| |
| jobject global_buffer_size = NULL; |
| if (_global_buffer_size.is_set()) { |
| global_buffer_size = JfrJavaSupport::new_java_lang_Long(_global_buffer_size.value()._size, CHECK); |
| } |
| |
| jobject thread_buffer_size = NULL; |
| if (_thread_buffer_size.is_set()) { |
| thread_buffer_size = JfrJavaSupport::new_java_lang_Long(_thread_buffer_size.value()._size, CHECK); |
| } |
| |
| jobject max_chunk_size = NULL; |
| if (_max_chunk_size.is_set()) { |
| max_chunk_size = JfrJavaSupport::new_java_lang_Long(_max_chunk_size.value()._size, CHECK); |
| } |
| |
| jobject memory_size = NULL; |
| if (_memory_size.is_set()) { |
| memory_size = JfrJavaSupport::new_java_lang_Long(_memory_size.value()._size, CHECK); |
| } |
| |
| jobject sample_threads = NULL; |
| if (_sample_threads.is_set()) { |
| sample_threads = JfrJavaSupport::new_java_lang_Boolean(_sample_threads.value(), CHECK); |
| } |
| |
| static const char klass[] = "jdk/jfr/internal/dcmd/DCmdConfigure"; |
| static const char method[] = "execute"; |
| static const char signature[] = "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Integer;" |
| "Ljava/lang/Long;Ljava/lang/Long;Ljava/lang/Long;Ljava/lang/Long;" |
| "Ljava/lang/Long;Ljava/lang/Boolean;)Ljava/lang/String;"; |
| |
| JfrJavaArguments execute_args(&result, klass, method, signature, CHECK); |
| execute_args.set_receiver(h_dcmd_instance); |
| |
| // params |
| execute_args.push_jobject(repository_path); |
| execute_args.push_jobject(dump_path); |
| execute_args.push_jobject(stack_depth); |
| execute_args.push_jobject(global_buffer_count); |
| execute_args.push_jobject(global_buffer_size); |
| execute_args.push_jobject(thread_buffer_size); |
| execute_args.push_jobject(memory_size); |
| execute_args.push_jobject(max_chunk_size); |
| execute_args.push_jobject(sample_threads); |
| |
| JfrJavaSupport::call_virtual(&execute_args, THREAD); |
| handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD); |
| } |
| |
| bool register_jfr_dcmds() { |
| uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI | DCmd_Source_MBean; |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrCheckFlightRecordingDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrDumpFlightRecordingDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrStartFlightRecordingDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrStopFlightRecordingDCmd>(full_export, true, false)); |
| DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrConfigureFlightRecorderDCmd>(full_export, true, false)); |
| return true; |
| } |
| |