duke@435: /*
hseigel@5891:  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #include "precompiled.hpp"
stefank@2314: #include "classfile/classLoader.hpp"
stefank@2314: #include "services/attachListener.hpp"
stefank@2314: #include "services/management.hpp"
stefank@2314: #include "services/runtimeService.hpp"
stefank@2314: #include "utilities/dtrace.hpp"
stefank@2314: #include "utilities/exceptions.hpp"
jprovino@4542: #include "utilities/macros.hpp"
duke@435: 
dcubed@3202: #ifndef USDT2
duke@435: HS_DTRACE_PROBE_DECL(hs_private, safepoint__begin);
duke@435: HS_DTRACE_PROBE_DECL(hs_private, safepoint__end);
dcubed@3202: #endif /* !USDT2 */
duke@435: 
jprovino@4165: #if INCLUDE_MANAGEMENT
duke@435: TimeStamp RuntimeService::_app_timer;
duke@435: TimeStamp RuntimeService::_safepoint_timer;
duke@435: PerfCounter*  RuntimeService::_sync_time_ticks = NULL;
duke@435: PerfCounter*  RuntimeService::_total_safepoints = NULL;
duke@435: PerfCounter*  RuntimeService::_safepoint_time_ticks = NULL;
duke@435: PerfCounter*  RuntimeService::_application_time_ticks = NULL;
duke@435: PerfCounter*  RuntimeService::_thread_interrupt_signaled_count = NULL;
duke@435: PerfCounter*  RuntimeService::_interrupted_before_count = NULL;
duke@435: PerfCounter*  RuntimeService::_interrupted_during_count = NULL;
duke@435: 
duke@435: void RuntimeService::init() {
duke@435:   // Make sure the VM version is initialized
duke@435:   Abstract_VM_Version::initialize();
duke@435: 
duke@435:   if (UsePerfData) {
duke@435:     EXCEPTION_MARK;
duke@435: 
duke@435:     _sync_time_ticks =
duke@435:               PerfDataManager::create_counter(SUN_RT, "safepointSyncTime",
duke@435:                                               PerfData::U_Ticks, CHECK);
duke@435: 
duke@435:     _total_safepoints =
duke@435:               PerfDataManager::create_counter(SUN_RT, "safepoints",
duke@435:                                               PerfData::U_Events, CHECK);
duke@435: 
duke@435:     _safepoint_time_ticks =
duke@435:               PerfDataManager::create_counter(SUN_RT, "safepointTime",
duke@435:                                               PerfData::U_Ticks, CHECK);
duke@435: 
duke@435:     _application_time_ticks =
duke@435:               PerfDataManager::create_counter(SUN_RT, "applicationTime",
duke@435:                                               PerfData::U_Ticks, CHECK);
duke@435: 
duke@435: 
duke@435:     // create performance counters for jvm_version and its capabilities
duke@435:     PerfDataManager::create_constant(SUN_RT, "jvmVersion", PerfData::U_None,
duke@435:                                      (jlong) Abstract_VM_Version::jvm_version(), CHECK);
duke@435: 
duke@435:     // I/O interruption related counters
duke@435: 
duke@435:     // thread signaling via os::interrupt()
duke@435: 
duke@435:     _thread_interrupt_signaled_count =
duke@435:                 PerfDataManager::create_counter(SUN_RT,
duke@435:                  "threadInterruptSignaled", PerfData::U_Events, CHECK);
duke@435: 
duke@435:     // OS_INTRPT via "check before" in _INTERRUPTIBLE
duke@435: 
duke@435:     _interrupted_before_count =
duke@435:                 PerfDataManager::create_counter(SUN_RT, "interruptedBeforeIO",
duke@435:                                                 PerfData::U_Events, CHECK);
duke@435: 
duke@435:     // OS_INTRPT via "check during" in _INTERRUPTIBLE
duke@435: 
duke@435:     _interrupted_during_count =
duke@435:                 PerfDataManager::create_counter(SUN_RT, "interruptedDuringIO",
duke@435:                                                 PerfData::U_Events, CHECK);
duke@435: 
duke@435:     // The capabilities counter is a binary representation of the VM capabilities in string.
duke@435:     // This string respresentation simplifies the implementation of the client side
duke@435:     // to parse the value.
duke@435:     char capabilities[65];
duke@435:     size_t len = sizeof(capabilities);
duke@435:     memset((void*) capabilities, '0', len);
duke@435:     capabilities[len-1] = '\0';
duke@435:     capabilities[0] = AttachListener::is_attach_supported() ? '1' : '0';
jprovino@4165: #if INCLUDE_SERVICES
duke@435:     capabilities[1] = '1';
jprovino@4165: #endif // INCLUDE_SERVICES
duke@435:     PerfDataManager::create_string_constant(SUN_RT, "jvmCapabilities",
duke@435:                                             capabilities, CHECK);
duke@435:   }
duke@435: }
duke@435: 
duke@435: void RuntimeService::record_safepoint_begin() {
dcubed@3202: #ifndef USDT2
duke@435:   HS_DTRACE_PROBE(hs_private, safepoint__begin);
dcubed@3202: #else /* USDT2 */
dcubed@3202:   HS_PRIVATE_SAFEPOINT_BEGIN();
dcubed@3202: #endif /* USDT2 */
johnc@1695: 
johnc@1695:   // Print the time interval in which the app was executing
hseigel@5891:   if (PrintGCApplicationConcurrentTime && _app_timer.is_updated()) {
brutisso@4934:     gclog_or_tty->date_stamp(PrintGCDateStamps);
brutisso@4934:     gclog_or_tty->stamp(PrintGCTimeStamps);
johnc@1695:     gclog_or_tty->print_cr("Application time: %3.7f seconds",
johnc@1695:                                 last_application_time_sec());
johnc@1695:   }
johnc@1695: 
duke@435:   // update the time stamp to begin recording safepoint time
duke@435:   _safepoint_timer.update();
duke@435:   if (UsePerfData) {
duke@435:     _total_safepoints->inc();
duke@435:     if (_app_timer.is_updated()) {
duke@435:       _application_time_ticks->inc(_app_timer.ticks_since_update());
duke@435:     }
duke@435:   }
duke@435: }
duke@435: 
duke@435: void RuntimeService::record_safepoint_synchronized() {
duke@435:   if (UsePerfData) {
duke@435:     _sync_time_ticks->inc(_safepoint_timer.ticks_since_update());
duke@435:   }
duke@435: }
duke@435: 
duke@435: void RuntimeService::record_safepoint_end() {
dcubed@3202: #ifndef USDT2
duke@435:   HS_DTRACE_PROBE(hs_private, safepoint__end);
dcubed@3202: #else /* USDT2 */
dcubed@3202:   HS_PRIVATE_SAFEPOINT_END();
dcubed@3202: #endif /* USDT2 */
johnc@1695: 
johnc@1695:   // Print the time interval for which the app was stopped
johnc@1695:   // during the current safepoint operation.
johnc@1695:   if (PrintGCApplicationStoppedTime) {
brutisso@4934:     gclog_or_tty->date_stamp(PrintGCDateStamps);
brutisso@4934:     gclog_or_tty->stamp(PrintGCTimeStamps);
johnc@1695:     gclog_or_tty->print_cr("Total time for which application threads "
johnc@1695:                            "were stopped: %3.7f seconds",
johnc@1695:                            last_safepoint_time_sec());
johnc@1695:   }
johnc@1695: 
duke@435:   // update the time stamp to begin recording app time
duke@435:   _app_timer.update();
duke@435:   if (UsePerfData) {
duke@435:     _safepoint_time_ticks->inc(_safepoint_timer.ticks_since_update());
duke@435:   }
duke@435: }
duke@435: 
duke@435: void RuntimeService::record_application_start() {
duke@435:   // update the time stamp to begin recording app time
duke@435:   _app_timer.update();
duke@435: }
duke@435: 
duke@435: // Don't need to record application end because we currently
duke@435: // exit at a safepoint and record_safepoint_begin() handles updating
duke@435: // the application time counter at VM exit.
duke@435: 
duke@435: jlong RuntimeService::safepoint_sync_time_ms() {
duke@435:   return UsePerfData ?
duke@435:     Management::ticks_to_ms(_sync_time_ticks->get_value()) : -1;
duke@435: }
duke@435: 
duke@435: jlong RuntimeService::safepoint_count() {
duke@435:   return UsePerfData ?
duke@435:     _total_safepoints->get_value() : -1;
duke@435: }
duke@435: jlong RuntimeService::safepoint_time_ms() {
duke@435:   return UsePerfData ?
duke@435:     Management::ticks_to_ms(_safepoint_time_ticks->get_value()) : -1;
duke@435: }
duke@435: 
duke@435: jlong RuntimeService::application_time_ms() {
duke@435:   return UsePerfData ?
duke@435:     Management::ticks_to_ms(_application_time_ticks->get_value()) : -1;
duke@435: }
duke@435: 
duke@435: void RuntimeService::record_interrupted_before_count() {
duke@435:   if (UsePerfData) {
duke@435:     _interrupted_before_count->inc();
duke@435:   }
duke@435: }
duke@435: 
duke@435: void RuntimeService::record_interrupted_during_count() {
duke@435:   if (UsePerfData) {
duke@435:     _interrupted_during_count->inc();
duke@435:   }
duke@435: }
duke@435: 
duke@435: void RuntimeService::record_thread_interrupt_signaled_count() {
duke@435:   if (UsePerfData) {
duke@435:     _thread_interrupt_signaled_count->inc();
duke@435:   }
duke@435: }
jprovino@4165: 
jprovino@4165: #endif // INCLUDE_MANAGEMENT