50113
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/*
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* Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "classfile/javaClasses.hpp"
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#include "classfile/vmSymbols.hpp"
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#include "jfr/jfr.hpp"
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#include "jfr/dcmd/jfrDcmds.hpp"
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#include "jfr/jni/jfrJavaSupport.hpp"
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#include "jfr/recorder/jfrRecorder.hpp"
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#include "jfr/recorder/service/jfrOptionSet.hpp"
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#include "memory/resourceArea.hpp"
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#include "oops/oop.inline.hpp"
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#include "oops/symbol.hpp"
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#include "runtime/handles.inline.hpp"
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#include "services/diagnosticArgument.hpp"
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#include "services/diagnosticFramework.hpp"
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#include "utilities/globalDefinitions.hpp"
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#ifdef _WINDOWS
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#define JFR_FILENAME_EXAMPLE "C:\\Users\\user\\My Recording.jfr"
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#endif
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#ifdef __APPLE__
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#define JFR_FILENAME_EXAMPLE "/Users/user/My Recording.jfr"
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#endif
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#ifndef JFR_FILENAME_EXAMPLE
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#define JFR_FILENAME_EXAMPLE "/home/user/My Recording.jfr"
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#endif
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// JNIHandle management
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// ------------------------------------------------------------------
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// push_jni_handle_block
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//
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// Push on a new block of JNI handles.
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static void push_jni_handle_block(Thread* const thread) {
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DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(thread));
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// Allocate a new block for JNI handles.
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// Inlined code from jni_PushLocalFrame()
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JNIHandleBlock* prev_handles = thread->active_handles();
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JNIHandleBlock* entry_handles = JNIHandleBlock::allocate_block(thread);
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assert(entry_handles != NULL && prev_handles != NULL, "should not be NULL");
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entry_handles->set_pop_frame_link(prev_handles); // make sure prev handles get gc'd.
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thread->set_active_handles(entry_handles);
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}
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// ------------------------------------------------------------------
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// pop_jni_handle_block
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//
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// Pop off the current block of JNI handles.
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static void pop_jni_handle_block(Thread* const thread) {
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DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(thread));
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// Release our JNI handle block
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JNIHandleBlock* entry_handles = thread->active_handles();
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JNIHandleBlock* prev_handles = entry_handles->pop_frame_link();
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// restore
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thread->set_active_handles(prev_handles);
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entry_handles->set_pop_frame_link(NULL);
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JNIHandleBlock::release_block(entry_handles, thread); // may block
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}
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class JNIHandleBlockManager : public StackObj {
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private:
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Thread* const _thread;
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public:
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JNIHandleBlockManager(Thread* thread) : _thread(thread) {
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push_jni_handle_block(_thread);
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}
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~JNIHandleBlockManager() {
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pop_jni_handle_block(_thread);
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}
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};
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static bool is_module_available(outputStream* output, TRAPS) {
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return JfrJavaSupport::is_jdk_jfr_module_available(output, THREAD);
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}
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static bool is_disabled(outputStream* output) {
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if (Jfr::is_disabled()) {
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if (output != NULL) {
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output->print_cr("Flight Recorder is disabled.\n");
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}
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return true;
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}
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return false;
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}
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static bool is_recorder_instance_created(outputStream* output) {
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if (!JfrRecorder::is_created()) {
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if (output != NULL) {
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output->print_cr("No available recordings.\n");
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output->print_cr("Use JFR.start to start a recording.\n");
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}
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return false;
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}
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return true;
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}
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static bool invalid_state(outputStream* out, TRAPS) {
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DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
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return is_disabled(out) || !is_module_available(out, THREAD);
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}
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static void print_pending_exception(outputStream* output, oop throwable) {
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assert(throwable != NULL, "invariant");
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oop msg = java_lang_Throwable::message(throwable);
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if (msg != NULL) {
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char* text = java_lang_String::as_utf8_string(msg);
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output->print_raw_cr(text);
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}
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}
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static void print_message(outputStream* output, const char* message) {
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if (message != NULL) {
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output->print_raw(message);
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}
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}
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static void handle_dcmd_result(outputStream* output,
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const oop result,
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const DCmdSource source,
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TRAPS) {
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DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
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assert(output != NULL, "invariant");
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if (HAS_PENDING_EXCEPTION) {
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print_pending_exception(output, PENDING_EXCEPTION);
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// Don't clear excption on startup, JVM should fail initialization.
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if (DCmd_Source_Internal != source) {
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CLEAR_PENDING_EXCEPTION;
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}
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return;
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}
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assert(!HAS_PENDING_EXCEPTION, "invariant");
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if (result != NULL) {
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const char* result_chars = java_lang_String::as_utf8_string(result);
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print_message(output, result_chars);
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}
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}
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static oop construct_dcmd_instance(JfrJavaArguments* args, TRAPS) {
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assert(args != NULL, "invariant");
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DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
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assert(args->klass() != NULL, "invariant");
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args->set_name("<init>", CHECK_NULL);
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args->set_signature("()V", CHECK_NULL);
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JfrJavaSupport::new_object(args, CHECK_NULL);
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return (oop)args->result()->get_jobject();
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}
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JfrDumpFlightRecordingDCmd::JfrDumpFlightRecordingDCmd(outputStream* output,
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bool heap) : DCmdWithParser(output, heap),
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_name("name", "Recording name, e.g. \\\"My Recording\\\"", "STRING", true, NULL),
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_filename("filename", "Copy recording data to file, i.e \\\"" JFR_FILENAME_EXAMPLE "\\\"", "STRING", true),
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_path_to_gc_roots("path-to-gc-roots", "Collect path to GC roots", "BOOLEAN", false, "false") {
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_dcmdparser.add_dcmd_option(&_name);
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_dcmdparser.add_dcmd_option(&_filename);
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_dcmdparser.add_dcmd_option(&_path_to_gc_roots);
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};
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int JfrDumpFlightRecordingDCmd::num_arguments() {
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ResourceMark rm;
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JfrDumpFlightRecordingDCmd* dcmd = new JfrDumpFlightRecordingDCmd(NULL, false);
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if (dcmd != NULL) {
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DCmdMark mark(dcmd);
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return dcmd->_dcmdparser.num_arguments();
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}
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return 0;
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}
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void JfrDumpFlightRecordingDCmd::execute(DCmdSource source, TRAPS) {
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DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
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if (invalid_state(output(), THREAD) || !is_recorder_instance_created(output())) {
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return;
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}
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ResourceMark rm(THREAD);
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HandleMark hm(THREAD);
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JNIHandleBlockManager jni_handle_management(THREAD);
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JavaValue result(T_OBJECT);
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JfrJavaArguments constructor_args(&result);
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constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdDump", CHECK);
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const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK);
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Handle h_dcmd_instance(THREAD, dcmd);
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assert(h_dcmd_instance.not_null(), "invariant");
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jstring name = NULL;
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if (_name.is_set() && _name.value() != NULL) {
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name = JfrJavaSupport::new_string(_name.value(), CHECK);
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}
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jstring filepath = NULL;
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if (_filename.is_set() && _filename.value() != NULL) {
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filepath = JfrJavaSupport::new_string(_filename.value(), CHECK);
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}
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jobject path_to_gc_roots = NULL;
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if (_path_to_gc_roots.is_set()) {
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path_to_gc_roots = JfrJavaSupport::new_java_lang_Boolean(_path_to_gc_roots.value(), CHECK);
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}
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static const char klass[] = "jdk/jfr/internal/dcmd/DCmdDump";
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static const char method[] = "execute";
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static const char signature[] = "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Boolean;)Ljava/lang/String;";
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JfrJavaArguments execute_args(&result, klass, method, signature, CHECK);
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execute_args.set_receiver(h_dcmd_instance);
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// arguments
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execute_args.push_jobject(name);
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execute_args.push_jobject(filepath);
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execute_args.push_jobject(path_to_gc_roots);
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JfrJavaSupport::call_virtual(&execute_args, THREAD);
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handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD);
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}
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JfrCheckFlightRecordingDCmd::JfrCheckFlightRecordingDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap),
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_name("name","Recording text, e.g. \\\"My Recording\\\" or omit to see all recordings","STRING",false, NULL),
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_verbose("verbose","Print event settings for the recording(s)","BOOLEAN",
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false, "false") {
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_dcmdparser.add_dcmd_option(&_name);
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_dcmdparser.add_dcmd_option(&_verbose);
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};
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int JfrCheckFlightRecordingDCmd::num_arguments() {
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ResourceMark rm;
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JfrCheckFlightRecordingDCmd* dcmd = new JfrCheckFlightRecordingDCmd(NULL, false);
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if (dcmd != NULL) {
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DCmdMark mark(dcmd);
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return dcmd->_dcmdparser.num_arguments();
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}
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return 0;
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}
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void JfrCheckFlightRecordingDCmd::execute(DCmdSource source, TRAPS) {
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DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
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if (invalid_state(output(), THREAD) || !is_recorder_instance_created(output())) {
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return;
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}
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ResourceMark rm(THREAD);
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HandleMark hm(THREAD);
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JNIHandleBlockManager jni_handle_management(THREAD);
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JavaValue result(T_OBJECT);
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JfrJavaArguments constructor_args(&result);
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constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdCheck", CHECK);
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const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK);
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Handle h_dcmd_instance(THREAD, dcmd);
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assert(h_dcmd_instance.not_null(), "invariant");
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jstring name = NULL;
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if (_name.is_set() && _name.value() != NULL) {
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name = JfrJavaSupport::new_string(_name.value(), CHECK);
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}
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jobject verbose = NULL;
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if (_verbose.is_set()) {
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verbose = JfrJavaSupport::new_java_lang_Boolean(_verbose.value(), CHECK);
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}
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static const char klass[] = "jdk/jfr/internal/dcmd/DCmdCheck";
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static const char method[] = "execute";
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static const char signature[] = "(Ljava/lang/String;Ljava/lang/Boolean;)Ljava/lang/String;";
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JfrJavaArguments execute_args(&result, klass, method, signature, CHECK);
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execute_args.set_receiver(h_dcmd_instance);
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// arguments
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execute_args.push_jobject(name);
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execute_args.push_jobject(verbose);
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JfrJavaSupport::call_virtual(&execute_args, THREAD);
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handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD);
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}
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JfrStartFlightRecordingDCmd::JfrStartFlightRecordingDCmd(outputStream* output,
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bool heap) : DCmdWithParser(output, heap),
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_name("name", "Name that can be used to identify recording, e.g. \\\"My Recording\\\"", "STRING", false, NULL),
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_settings("settings", "Settings file(s), e.g. profile or default. See JRE_HOME/lib/jfr", "STRING SET", false),
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_delay("delay", "Delay recording start with (s)econds, (m)inutes), (h)ours), or (d)ays, e.g. 5h.", "NANOTIME", false, "0"),
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_duration("duration", "Duration of recording in (s)econds, (m)inutes, (h)ours, or (d)ays, e.g. 300s.", "NANOTIME", false, "0"),
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_filename("filename", "Resulting recording filename, e.g. \\\"" JFR_FILENAME_EXAMPLE "\\\"", "STRING", false),
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_disk("disk", "Recording should be persisted to disk", "BOOLEAN", false),
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_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"),
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_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"),
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_dump_on_exit("dumponexit", "Dump running recording when JVM shuts down", "BOOLEAN", false),
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_path_to_gc_roots("path-to-gc-roots", "Collect path to GC roots", "BOOLEAN", false, "false") {
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_dcmdparser.add_dcmd_option(&_name);
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_dcmdparser.add_dcmd_option(&_settings);
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_dcmdparser.add_dcmd_option(&_delay);
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_dcmdparser.add_dcmd_option(&_duration);
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_dcmdparser.add_dcmd_option(&_disk);
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_dcmdparser.add_dcmd_option(&_filename);
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_dcmdparser.add_dcmd_option(&_maxage);
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_dcmdparser.add_dcmd_option(&_maxsize);
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_dcmdparser.add_dcmd_option(&_dump_on_exit);
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_dcmdparser.add_dcmd_option(&_path_to_gc_roots);
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};
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int JfrStartFlightRecordingDCmd::num_arguments() {
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ResourceMark rm;
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JfrStartFlightRecordingDCmd* dcmd = new JfrStartFlightRecordingDCmd(NULL, false);
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if (dcmd != NULL) {
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DCmdMark mark(dcmd);
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return dcmd->_dcmdparser.num_arguments();
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}
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return 0;
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}
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void JfrStartFlightRecordingDCmd::execute(DCmdSource source, TRAPS) {
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DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
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if (invalid_state(output(), THREAD)) {
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return;
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}
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ResourceMark rm(THREAD);
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HandleMark hm(THREAD);
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JNIHandleBlockManager jni_handle_management(THREAD);
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JavaValue result(T_OBJECT);
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JfrJavaArguments constructor_args(&result);
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constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdStart", THREAD);
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const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK);
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Handle h_dcmd_instance(THREAD, dcmd);
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assert(h_dcmd_instance.not_null(), "invariant");
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jstring name = NULL;
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363 |
if (_name.is_set() && _name.value() != NULL) {
|
|
364 |
name = JfrJavaSupport::new_string(_name.value(), CHECK);
|
|
365 |
}
|
|
366 |
|
|
367 |
jstring filename = NULL;
|
|
368 |
if (_filename.is_set() && _filename.value() != NULL) {
|
|
369 |
filename = JfrJavaSupport::new_string(_filename.value(), CHECK);
|
|
370 |
}
|
|
371 |
|
|
372 |
jobject maxage = NULL;
|
|
373 |
if (_maxage.is_set()) {
|
|
374 |
maxage = JfrJavaSupport::new_java_lang_Long(_maxage.value()._nanotime, CHECK);
|
|
375 |
}
|
|
376 |
|
|
377 |
jobject maxsize = NULL;
|
|
378 |
if (_maxsize.is_set()) {
|
|
379 |
maxsize = JfrJavaSupport::new_java_lang_Long(_maxsize.value()._size, CHECK);
|
|
380 |
}
|
|
381 |
|
|
382 |
jobject duration = NULL;
|
|
383 |
if (_duration.is_set()) {
|
|
384 |
duration = JfrJavaSupport::new_java_lang_Long(_duration.value()._nanotime, CHECK);
|
|
385 |
}
|
|
386 |
|
|
387 |
jobject delay = NULL;
|
|
388 |
if (_delay.is_set()) {
|
|
389 |
delay = JfrJavaSupport::new_java_lang_Long(_delay.value()._nanotime, CHECK);
|
|
390 |
}
|
|
391 |
|
|
392 |
jobject disk = NULL;
|
|
393 |
if (_disk.is_set()) {
|
|
394 |
disk = JfrJavaSupport::new_java_lang_Boolean(_disk.value(), CHECK);
|
|
395 |
}
|
|
396 |
|
|
397 |
jobject dump_on_exit = NULL;
|
|
398 |
if (_dump_on_exit.is_set()) {
|
|
399 |
dump_on_exit = JfrJavaSupport::new_java_lang_Boolean(_dump_on_exit.value(), CHECK);
|
|
400 |
}
|
|
401 |
|
|
402 |
jobject path_to_gc_roots = NULL;
|
|
403 |
if (_path_to_gc_roots.is_set()) {
|
|
404 |
path_to_gc_roots = JfrJavaSupport::new_java_lang_Boolean(_path_to_gc_roots.value(), CHECK);
|
|
405 |
}
|
|
406 |
|
|
407 |
jobjectArray settings = NULL;
|
|
408 |
if (_settings.is_set()) {
|
|
409 |
const int length = _settings.value()->array()->length();
|
|
410 |
settings = JfrJavaSupport::new_string_array(length, CHECK);
|
|
411 |
assert(settings != NULL, "invariant");
|
|
412 |
for (int i = 0; i < length; ++i) {
|
|
413 |
jobject element = JfrJavaSupport::new_string(_settings.value()->array()->at(i), CHECK);
|
|
414 |
assert(element != NULL, "invariant");
|
|
415 |
JfrJavaSupport::set_array_element(settings, element, i, CHECK);
|
|
416 |
}
|
|
417 |
}
|
|
418 |
|
|
419 |
static const char klass[] = "jdk/jfr/internal/dcmd/DCmdStart";
|
|
420 |
static const char method[] = "execute";
|
|
421 |
static const char signature[] = "(Ljava/lang/String;[Ljava/lang/String;Ljava/lang/Long;"
|
|
422 |
"Ljava/lang/Long;Ljava/lang/Boolean;Ljava/lang/String;"
|
|
423 |
"Ljava/lang/Long;Ljava/lang/Long;Ljava/lang/Boolean;Ljava/lang/Boolean;)Ljava/lang/String;";
|
|
424 |
|
|
425 |
JfrJavaArguments execute_args(&result, klass, method, signature, CHECK);
|
|
426 |
execute_args.set_receiver(h_dcmd_instance);
|
|
427 |
|
|
428 |
// arguments
|
|
429 |
execute_args.push_jobject(name);
|
|
430 |
execute_args.push_jobject(settings);
|
|
431 |
execute_args.push_jobject(delay);
|
|
432 |
execute_args.push_jobject(duration);
|
|
433 |
execute_args.push_jobject(disk);
|
|
434 |
execute_args.push_jobject(filename);
|
|
435 |
execute_args.push_jobject(maxage);
|
|
436 |
execute_args.push_jobject(maxsize);
|
|
437 |
execute_args.push_jobject(dump_on_exit);
|
|
438 |
execute_args.push_jobject(path_to_gc_roots);
|
|
439 |
|
|
440 |
JfrJavaSupport::call_virtual(&execute_args, THREAD);
|
|
441 |
handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD);
|
|
442 |
}
|
|
443 |
|
|
444 |
JfrStopFlightRecordingDCmd::JfrStopFlightRecordingDCmd(outputStream* output,
|
|
445 |
bool heap) : DCmdWithParser(output, heap),
|
|
446 |
_name("name", "Recording text,.e.g \\\"My Recording\\\"", "STRING", false, NULL),
|
|
447 |
_filename("filename", "Copy recording data to file, e.g. \\\"" JFR_FILENAME_EXAMPLE "\\\"", "STRING", false, NULL) {
|
|
448 |
_dcmdparser.add_dcmd_option(&_name);
|
|
449 |
_dcmdparser.add_dcmd_option(&_filename);
|
|
450 |
};
|
|
451 |
|
|
452 |
int JfrStopFlightRecordingDCmd::num_arguments() {
|
|
453 |
ResourceMark rm;
|
|
454 |
JfrStopFlightRecordingDCmd* dcmd = new JfrStopFlightRecordingDCmd(NULL, false);
|
|
455 |
if (dcmd != NULL) {
|
|
456 |
DCmdMark mark(dcmd);
|
|
457 |
return dcmd->_dcmdparser.num_arguments();
|
|
458 |
}
|
|
459 |
return 0;
|
|
460 |
}
|
|
461 |
|
|
462 |
void JfrStopFlightRecordingDCmd::execute(DCmdSource source, TRAPS) {
|
|
463 |
DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
|
|
464 |
|
|
465 |
if (invalid_state(output(), THREAD) || !is_recorder_instance_created(output())) {
|
|
466 |
return;
|
|
467 |
}
|
|
468 |
|
|
469 |
ResourceMark rm(THREAD);
|
|
470 |
HandleMark hm(THREAD);
|
|
471 |
JNIHandleBlockManager jni_handle_management(THREAD);
|
|
472 |
|
|
473 |
JavaValue result(T_OBJECT);
|
|
474 |
JfrJavaArguments constructor_args(&result);
|
|
475 |
constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdStop", CHECK);
|
|
476 |
const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK);
|
|
477 |
Handle h_dcmd_instance(THREAD, dcmd);
|
|
478 |
assert(h_dcmd_instance.not_null(), "invariant");
|
|
479 |
|
|
480 |
jstring name = NULL;
|
|
481 |
if (_name.is_set() && _name.value() != NULL) {
|
|
482 |
name = JfrJavaSupport::new_string(_name.value(), CHECK);
|
|
483 |
}
|
|
484 |
|
|
485 |
jstring filepath = NULL;
|
|
486 |
if (_filename.is_set() && _filename.value() != NULL) {
|
|
487 |
filepath = JfrJavaSupport::new_string(_filename.value(), CHECK);
|
|
488 |
}
|
|
489 |
|
|
490 |
static const char klass[] = "jdk/jfr/internal/dcmd/DCmdStop";
|
|
491 |
static const char method[] = "execute";
|
|
492 |
static const char signature[] = "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;";
|
|
493 |
|
|
494 |
JfrJavaArguments execute_args(&result, klass, method, signature, CHECK);
|
|
495 |
execute_args.set_receiver(h_dcmd_instance);
|
|
496 |
|
|
497 |
// arguments
|
|
498 |
execute_args.push_jobject(name);
|
|
499 |
execute_args.push_jobject(filepath);
|
|
500 |
|
|
501 |
JfrJavaSupport::call_virtual(&execute_args, THREAD);
|
|
502 |
handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD);
|
|
503 |
}
|
|
504 |
|
|
505 |
JfrConfigureFlightRecorderDCmd::JfrConfigureFlightRecorderDCmd(outputStream* output,
|
|
506 |
bool heap) : DCmdWithParser(output, heap),
|
|
507 |
_repository_path("repositorypath", "Path to repository,.e.g \\\"My Repository\\\"", "STRING", false, NULL),
|
|
508 |
_dump_path("dumppath", "Path to dump,.e.g \\\"My Dump path\\\"", "STRING", false, NULL),
|
|
509 |
_stack_depth("stackdepth", "Stack Depth", "JLONG", false, "64"),
|
|
510 |
_global_buffer_count("globalbuffercount", "Number of global buffers,", "JLONG", false, "32"),
|
|
511 |
_global_buffer_size("globalbuffersize", "Size of a global buffers,", "JLONG", false, "524288"),
|
|
512 |
_thread_buffer_size("thread_buffer_size", "Size of a thread buffer", "JLONG", false, "8192"),
|
|
513 |
_memory_size("memorysize", "Overall memory size, ", "JLONG", false, "16777216"),
|
|
514 |
_max_chunk_size("maxchunksize", "Size of an individual disk chunk", "JLONG", false, "12582912"),
|
|
515 |
_sample_threads("samplethreads", "Activate Thread sampling", "BOOLEAN", false, "true") {
|
|
516 |
_dcmdparser.add_dcmd_option(&_repository_path);
|
|
517 |
_dcmdparser.add_dcmd_option(&_dump_path);
|
|
518 |
_dcmdparser.add_dcmd_option(&_stack_depth);
|
|
519 |
_dcmdparser.add_dcmd_option(&_global_buffer_count);
|
|
520 |
_dcmdparser.add_dcmd_option(&_global_buffer_size);
|
|
521 |
_dcmdparser.add_dcmd_option(&_thread_buffer_size);
|
|
522 |
_dcmdparser.add_dcmd_option(&_memory_size);
|
|
523 |
_dcmdparser.add_dcmd_option(&_max_chunk_size);
|
|
524 |
_dcmdparser.add_dcmd_option(&_sample_threads);
|
|
525 |
};
|
|
526 |
|
|
527 |
int JfrConfigureFlightRecorderDCmd::num_arguments() {
|
|
528 |
ResourceMark rm;
|
|
529 |
JfrConfigureFlightRecorderDCmd* dcmd = new JfrConfigureFlightRecorderDCmd(NULL, false);
|
|
530 |
if (dcmd != NULL) {
|
|
531 |
DCmdMark mark(dcmd);
|
|
532 |
return dcmd->_dcmdparser.num_arguments();
|
|
533 |
}
|
|
534 |
return 0;
|
|
535 |
}
|
|
536 |
|
|
537 |
void JfrConfigureFlightRecorderDCmd::execute(DCmdSource source, TRAPS) {
|
|
538 |
DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
|
|
539 |
|
|
540 |
if (invalid_state(output(), THREAD)) {
|
|
541 |
return;
|
|
542 |
}
|
|
543 |
|
|
544 |
ResourceMark rm(THREAD);
|
|
545 |
HandleMark hm(THREAD);
|
|
546 |
JNIHandleBlockManager jni_handle_management(THREAD);
|
|
547 |
|
|
548 |
JavaValue result(T_OBJECT);
|
|
549 |
JfrJavaArguments constructor_args(&result);
|
|
550 |
constructor_args.set_klass("jdk/jfr/internal/dcmd/DCmdConfigure", CHECK);
|
|
551 |
const oop dcmd = construct_dcmd_instance(&constructor_args, CHECK);
|
|
552 |
Handle h_dcmd_instance(THREAD, dcmd);
|
|
553 |
assert(h_dcmd_instance.not_null(), "invariant");
|
|
554 |
|
|
555 |
jstring repository_path = NULL;
|
|
556 |
if (_repository_path.is_set() && _repository_path.value() != NULL) {
|
|
557 |
repository_path = JfrJavaSupport::new_string(_repository_path.value(), CHECK);
|
|
558 |
}
|
|
559 |
|
|
560 |
jstring dump_path = NULL;
|
|
561 |
if (_dump_path.is_set() && _dump_path.value() != NULL) {
|
|
562 |
dump_path = JfrJavaSupport::new_string(_dump_path.value(), CHECK);
|
|
563 |
}
|
|
564 |
|
|
565 |
jobject stack_depth = NULL;
|
|
566 |
if (_stack_depth.is_set()) {
|
|
567 |
stack_depth = JfrJavaSupport::new_java_lang_Integer((jint)_stack_depth.value(), CHECK);
|
|
568 |
}
|
|
569 |
|
|
570 |
jobject global_buffer_count = NULL;
|
|
571 |
if (_global_buffer_count.is_set()) {
|
|
572 |
global_buffer_count = JfrJavaSupport::new_java_lang_Long(_global_buffer_count.value(), CHECK);
|
|
573 |
}
|
|
574 |
|
|
575 |
jobject global_buffer_size = NULL;
|
|
576 |
if (_global_buffer_size.is_set()) {
|
|
577 |
global_buffer_size = JfrJavaSupport::new_java_lang_Long(_global_buffer_size.value(), CHECK);
|
|
578 |
}
|
|
579 |
|
|
580 |
jobject thread_buffer_size = NULL;
|
|
581 |
if (_thread_buffer_size.is_set()) {
|
|
582 |
thread_buffer_size = JfrJavaSupport::new_java_lang_Long(_thread_buffer_size.value(), CHECK);
|
|
583 |
}
|
|
584 |
|
|
585 |
jobject max_chunk_size = NULL;
|
|
586 |
if (_max_chunk_size.is_set()) {
|
|
587 |
max_chunk_size = JfrJavaSupport::new_java_lang_Long(_max_chunk_size.value(), CHECK);
|
|
588 |
}
|
|
589 |
|
|
590 |
jobject memory_size = NULL;
|
|
591 |
if (_memory_size.is_set()) {
|
|
592 |
memory_size = JfrJavaSupport::new_java_lang_Long(_memory_size.value(), CHECK);
|
|
593 |
}
|
|
594 |
|
|
595 |
jobject sample_threads = NULL;
|
|
596 |
if (_sample_threads.is_set()) {
|
|
597 |
sample_threads = JfrJavaSupport::new_java_lang_Boolean(_sample_threads.value(), CHECK);
|
|
598 |
}
|
|
599 |
|
|
600 |
static const char klass[] = "jdk/jfr/internal/dcmd/DCmdConfigure";
|
|
601 |
static const char method[] = "execute";
|
|
602 |
static const char signature[] = "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Integer;"
|
|
603 |
"Ljava/lang/Long;Ljava/lang/Long;Ljava/lang/Long;Ljava/lang/Long;"
|
|
604 |
"Ljava/lang/Long;Ljava/lang/Boolean;)Ljava/lang/String;";
|
|
605 |
|
|
606 |
JfrJavaArguments execute_args(&result, klass, method, signature, CHECK);
|
|
607 |
execute_args.set_receiver(h_dcmd_instance);
|
|
608 |
|
|
609 |
// params
|
|
610 |
execute_args.push_jobject(repository_path);
|
|
611 |
execute_args.push_jobject(dump_path);
|
|
612 |
execute_args.push_jobject(stack_depth);
|
|
613 |
execute_args.push_jobject(global_buffer_count);
|
|
614 |
execute_args.push_jobject(global_buffer_size);
|
|
615 |
execute_args.push_jobject(thread_buffer_size);
|
|
616 |
execute_args.push_jobject(memory_size);
|
|
617 |
execute_args.push_jobject(max_chunk_size);
|
|
618 |
execute_args.push_jobject(sample_threads);
|
|
619 |
|
|
620 |
JfrJavaSupport::call_virtual(&execute_args, THREAD);
|
|
621 |
handle_dcmd_result(output(), (oop)result.get_jobject(), source, THREAD);
|
|
622 |
}
|
|
623 |
|
|
624 |
bool register_jfr_dcmds() {
|
|
625 |
uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI | DCmd_Source_MBean;
|
|
626 |
DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrCheckFlightRecordingDCmd>(full_export, true, false));
|
|
627 |
DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrDumpFlightRecordingDCmd>(full_export, true, false));
|
|
628 |
DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrStartFlightRecordingDCmd>(full_export, true, false));
|
|
629 |
DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrStopFlightRecordingDCmd>(full_export, true, false));
|
|
630 |
DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JfrConfigureFlightRecorderDCmd>(full_export, true, false));
|
|
631 |
return true;
|
|
632 |
}
|
|
633 |
|