author | hseigel |
Tue, 16 Oct 2018 11:08:46 -0400 | |
changeset 52148 | 2d9f8845d0ae |
parent 47216 | 71c04702a3d5 |
child 53775 | 5d20b085d893 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 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/classLoader.hpp" |
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#include "logging/log.hpp" |
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#include "runtime/vm_version.hpp" |
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#include "services/attachListener.hpp" |
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#include "services/management.hpp" |
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#include "services/runtimeService.hpp" |
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#include "utilities/dtrace.hpp" |
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#include "utilities/exceptions.hpp" |
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#include "utilities/macros.hpp" |
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#if INCLUDE_MANAGEMENT |
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TimeStamp RuntimeService::_app_timer; |
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TimeStamp RuntimeService::_safepoint_timer; |
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PerfCounter* RuntimeService::_sync_time_ticks = NULL; |
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PerfCounter* RuntimeService::_total_safepoints = NULL; |
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PerfCounter* RuntimeService::_safepoint_time_ticks = NULL; |
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PerfCounter* RuntimeService::_application_time_ticks = NULL; |
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double RuntimeService::_last_safepoint_sync_time_sec = 0.0; |
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void RuntimeService::init() { |
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if (UsePerfData) { |
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EXCEPTION_MARK; |
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_sync_time_ticks = |
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PerfDataManager::create_counter(SUN_RT, "safepointSyncTime", |
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PerfData::U_Ticks, CHECK); |
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_total_safepoints = |
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PerfDataManager::create_counter(SUN_RT, "safepoints", |
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PerfData::U_Events, CHECK); |
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_safepoint_time_ticks = |
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PerfDataManager::create_counter(SUN_RT, "safepointTime", |
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PerfData::U_Ticks, CHECK); |
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_application_time_ticks = |
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PerfDataManager::create_counter(SUN_RT, "applicationTime", |
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PerfData::U_Ticks, CHECK); |
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// create performance counters for jvm_version and its capabilities |
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PerfDataManager::create_constant(SUN_RT, "jvmVersion", PerfData::U_None, |
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(jlong) VM_Version::jvm_version(), CHECK); |
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// The capabilities counter is a binary representation of the VM capabilities in string. |
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// This string respresentation simplifies the implementation of the client side |
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// to parse the value. |
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char capabilities[65]; |
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size_t len = sizeof(capabilities); |
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memset((void*) capabilities, '0', len); |
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capabilities[len-1] = '\0'; |
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capabilities[0] = AttachListener::is_attach_supported() ? '1' : '0'; |
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#if INCLUDE_SERVICES |
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capabilities[1] = '1'; |
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#endif // INCLUDE_SERVICES |
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PerfDataManager::create_string_constant(SUN_RT, "jvmCapabilities", |
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capabilities, CHECK); |
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} |
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} |
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void RuntimeService::record_safepoint_begin() { |
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HS_PRIVATE_SAFEPOINT_BEGIN(); |
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// Print the time interval in which the app was executing |
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if (_app_timer.is_updated()) { |
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log_info(safepoint)("Application time: %3.7f seconds", last_application_time_sec()); |
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} |
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// update the time stamp to begin recording safepoint time |
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_safepoint_timer.update(); |
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_last_safepoint_sync_time_sec = 0.0; |
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if (UsePerfData) { |
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_total_safepoints->inc(); |
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if (_app_timer.is_updated()) { |
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_application_time_ticks->inc(_app_timer.ticks_since_update()); |
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} |
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} |
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} |
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void RuntimeService::record_safepoint_synchronized() { |
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if (UsePerfData) { |
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_sync_time_ticks->inc(_safepoint_timer.ticks_since_update()); |
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} |
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if (log_is_enabled(Info, safepoint)) { |
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_last_safepoint_sync_time_sec = last_safepoint_time_sec(); |
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} |
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} |
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void RuntimeService::record_safepoint_end() { |
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HS_PRIVATE_SAFEPOINT_END(); |
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// Print the time interval for which the app was stopped |
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// during the current safepoint operation. |
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log_info(safepoint)("Total time for which application threads were stopped: %3.7f seconds, Stopping threads took: %3.7f seconds", |
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last_safepoint_time_sec(), _last_safepoint_sync_time_sec); |
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// update the time stamp to begin recording app time |
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_app_timer.update(); |
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if (UsePerfData) { |
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_safepoint_time_ticks->inc(_safepoint_timer.ticks_since_update()); |
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} |
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} |
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void RuntimeService::record_application_start() { |
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// update the time stamp to begin recording app time |
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_app_timer.update(); |
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} |
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// Don't need to record application end because we currently |
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// exit at a safepoint and record_safepoint_begin() handles updating |
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// the application time counter at VM exit. |
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jlong RuntimeService::safepoint_sync_time_ms() { |
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return UsePerfData ? |
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Management::ticks_to_ms(_sync_time_ticks->get_value()) : -1; |
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} |
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jlong RuntimeService::safepoint_count() { |
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return UsePerfData ? |
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_total_safepoints->get_value() : -1; |
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} |
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jlong RuntimeService::safepoint_time_ms() { |
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return UsePerfData ? |
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Management::ticks_to_ms(_safepoint_time_ticks->get_value()) : -1; |
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} |
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jlong RuntimeService::application_time_ms() { |
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return UsePerfData ? |
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Management::ticks_to_ms(_application_time_ticks->get_value()) : -1; |
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} |
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#endif // INCLUDE_MANAGEMENT |