jdk8-mips64-public/hotspot: src/share/vm/services/runtimeService.cpp@fb3190e77d3c (annotated)

src/share/vm/services/runtimeService.cpp@fb3190e77d3c (annotated)

src/share/vm/services/runtimeService.cpp

Fri, 09 Nov 2012 19:24:31 -0500

author: zgu
date: Fri, 09 Nov 2012 19:24:31 -0500
changeset 4274: fb3190e77d3c
parent 4165: fb19af007ffc
child 4542: db9981fd3124
permissions: -rw-r--r--

8001592: NMT: assertion failed: assert(_amount >= amt) failed: Just check: memBaseline.hpp:180
Summary: Fixed NMT that miscounted arena memory when it is used as value or stack object.
Reviewed-by: acorn, coleenp

 /*
  * Copyright (c) 2003, 2012, 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/classLoader.hpp"
 #include "services/attachListener.hpp"
 #include "services/management.hpp"
 #include "services/runtimeService.hpp"
 #include "utilities/dtrace.hpp"
 #include "utilities/exceptions.hpp"
 #ifndef USDT2
 HS_DTRACE_PROBE_DECL(hs_private, safepoint__begin);
 HS_DTRACE_PROBE_DECL(hs_private, safepoint__end);
 #endif /* !USDT2 */
 #if INCLUDE_MANAGEMENT
 TimeStamp RuntimeService::_app_timer;
 TimeStamp RuntimeService::_safepoint_timer;
 PerfCounter*  RuntimeService::_sync_time_ticks = NULL;
 PerfCounter*  RuntimeService::_total_safepoints = NULL;
 PerfCounter*  RuntimeService::_safepoint_time_ticks = NULL;
 PerfCounter*  RuntimeService::_application_time_ticks = NULL;
 PerfCounter*  RuntimeService::_thread_interrupt_signaled_count = NULL;
 PerfCounter*  RuntimeService::_interrupted_before_count = NULL;
 PerfCounter*  RuntimeService::_interrupted_during_count = NULL;
 void RuntimeService::init() {
   // Make sure the VM version is initialized
   Abstract_VM_Version::initialize();
   if (UsePerfData) {
     EXCEPTION_MARK;
     _sync_time_ticks =
               PerfDataManager::create_counter(SUN_RT, "safepointSyncTime",
                                               PerfData::U_Ticks, CHECK);
     _total_safepoints =
               PerfDataManager::create_counter(SUN_RT, "safepoints",
                                               PerfData::U_Events, CHECK);
     _safepoint_time_ticks =
               PerfDataManager::create_counter(SUN_RT, "safepointTime",
                                               PerfData::U_Ticks, CHECK);
     _application_time_ticks =
               PerfDataManager::create_counter(SUN_RT, "applicationTime",
                                               PerfData::U_Ticks, CHECK);
     // create performance counters for jvm_version and its capabilities
     PerfDataManager::create_constant(SUN_RT, "jvmVersion", PerfData::U_None,
                                      (jlong) Abstract_VM_Version::jvm_version(), CHECK);
     // I/O interruption related counters
     // thread signaling via os::interrupt()
     _thread_interrupt_signaled_count =
                 PerfDataManager::create_counter(SUN_RT,
                  "threadInterruptSignaled", PerfData::U_Events, CHECK);
     // OS_INTRPT via "check before" in _INTERRUPTIBLE
     _interrupted_before_count =
                 PerfDataManager::create_counter(SUN_RT, "interruptedBeforeIO",
                                                 PerfData::U_Events, CHECK);
     // OS_INTRPT via "check during" in _INTERRUPTIBLE
     _interrupted_during_count =
                 PerfDataManager::create_counter(SUN_RT, "interruptedDuringIO",
                                                 PerfData::U_Events, CHECK);
     // The capabilities counter is a binary representation of the VM capabilities in string.
     // This string respresentation simplifies the implementation of the client side
     // to parse the value.
     char capabilities[65];
     size_t len = sizeof(capabilities);
     memset((void*) capabilities, '0', len);
     capabilities[len-1] = '\0';
     capabilities[0] = AttachListener::is_attach_supported() ? '1' : '0';
 #if INCLUDE_SERVICES
     capabilities[1] = '1';
 #endif // INCLUDE_SERVICES
     PerfDataManager::create_string_constant(SUN_RT, "jvmCapabilities",
                                             capabilities, CHECK);
   }
 }
 void RuntimeService::record_safepoint_begin() {
 #ifndef USDT2
   HS_DTRACE_PROBE(hs_private, safepoint__begin);
 #else /* USDT2 */
   HS_PRIVATE_SAFEPOINT_BEGIN();
 #endif /* USDT2 */
   // Print the time interval in which the app was executing
   if (PrintGCApplicationConcurrentTime) {
     gclog_or_tty->print_cr("Application time: %3.7f seconds",
                                 last_application_time_sec());
   }
   // update the time stamp to begin recording safepoint time
   _safepoint_timer.update();
   if (UsePerfData) {
     _total_safepoints->inc();
     if (_app_timer.is_updated()) {
       _application_time_ticks->inc(_app_timer.ticks_since_update());
     }
   }
 }
 void RuntimeService::record_safepoint_synchronized() {
   if (UsePerfData) {
     _sync_time_ticks->inc(_safepoint_timer.ticks_since_update());
   }
 }
 void RuntimeService::record_safepoint_end() {
 #ifndef USDT2
   HS_DTRACE_PROBE(hs_private, safepoint__end);
 #else /* USDT2 */
   HS_PRIVATE_SAFEPOINT_END();
 #endif /* USDT2 */
   // Print the time interval for which the app was stopped
   // during the current safepoint operation.
   if (PrintGCApplicationStoppedTime) {
     gclog_or_tty->print_cr("Total time for which application threads "
                            "were stopped: %3.7f seconds",
                            last_safepoint_time_sec());
   }
   // update the time stamp to begin recording app time
   _app_timer.update();
   if (UsePerfData) {
     _safepoint_time_ticks->inc(_safepoint_timer.ticks_since_update());
   }
 }
 void RuntimeService::record_application_start() {
   // update the time stamp to begin recording app time
   _app_timer.update();
 }
 // Don't need to record application end because we currently
 // exit at a safepoint and record_safepoint_begin() handles updating
 // the application time counter at VM exit.
 jlong RuntimeService::safepoint_sync_time_ms() {
   return UsePerfData ?
     Management::ticks_to_ms(_sync_time_ticks->get_value()) : -1;
 }
 jlong RuntimeService::safepoint_count() {
   return UsePerfData ?
     _total_safepoints->get_value() : -1;
 }
 jlong RuntimeService::safepoint_time_ms() {
   return UsePerfData ?
     Management::ticks_to_ms(_safepoint_time_ticks->get_value()) : -1;
 }
 jlong RuntimeService::application_time_ms() {
   return UsePerfData ?
     Management::ticks_to_ms(_application_time_ticks->get_value()) : -1;
 }
 void RuntimeService::record_interrupted_before_count() {
   if (UsePerfData) {
     _interrupted_before_count->inc();
   }
 }
 void RuntimeService::record_interrupted_during_count() {
   if (UsePerfData) {
     _interrupted_during_count->inc();
   }
 }
 void RuntimeService::record_thread_interrupt_signaled_count() {
   if (UsePerfData) {
     _thread_interrupt_signaled_count->inc();
   }
 }
 #endif // INCLUDE_MANAGEMENT

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/services/runtimeService.cpp@fb3190e77d3c (annotated)

src/share/vm/services/runtimeService.cpp