author | johnc |
Tue, 09 Feb 2010 13:56:09 -0800 | |
changeset 4901 | 304ce755c6ee |
parent 1 | 489c9b5090e2 |
child 5547 | f4b087cbb361 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
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parents:
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* Copyright 2003-2010 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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* |
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*/ |
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# include "incls/_precompiled.incl" |
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# include "incls/_runtimeService.cpp.incl" |
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HS_DTRACE_PROBE_DECL(hs_private, safepoint__begin); |
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HS_DTRACE_PROBE_DECL(hs_private, safepoint__end); |
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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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PerfCounter* RuntimeService::_thread_interrupt_signaled_count = NULL; |
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PerfCounter* RuntimeService::_interrupted_before_count = NULL; |
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PerfCounter* RuntimeService::_interrupted_during_count = NULL; |
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void RuntimeService::init() { |
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// Make sure the VM version is initialized |
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Abstract_VM_Version::initialize(); |
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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) Abstract_VM_Version::jvm_version(), CHECK); |
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// I/O interruption related counters |
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// thread signaling via os::interrupt() |
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_thread_interrupt_signaled_count = |
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PerfDataManager::create_counter(SUN_RT, |
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"threadInterruptSignaled", PerfData::U_Events, CHECK); |
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// OS_INTRPT via "check before" in _INTERRUPTIBLE |
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_interrupted_before_count = |
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PerfDataManager::create_counter(SUN_RT, "interruptedBeforeIO", |
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PerfData::U_Events, CHECK); |
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// OS_INTRPT via "check during" in _INTERRUPTIBLE |
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_interrupted_during_count = |
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PerfDataManager::create_counter(SUN_RT, "interruptedDuringIO", |
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PerfData::U_Events, 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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#ifdef KERNEL |
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capabilities[1] = '1'; |
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#endif // KERNEL |
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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_DTRACE_PROBE(hs_private, safepoint__begin); |
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4901
304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
parents:
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changeset
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304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
parents:
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changeset
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// Print the time interval in which the app was executing |
304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
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if (PrintGCApplicationConcurrentTime) { |
304ce755c6ee
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gclog_or_tty->print_cr("Application time: %3.7f seconds", |
304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
parents:
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last_application_time_sec()); |
304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
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} |
304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
parents:
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changeset
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// update the time stamp to begin recording safepoint time |
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_safepoint_timer.update(); |
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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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} |
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void RuntimeService::record_safepoint_end() { |
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HS_DTRACE_PROBE(hs_private, safepoint__end); |
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304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
parents:
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changeset
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304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
parents:
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changeset
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// Print the time interval for which the app was stopped |
304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
parents:
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// during the current safepoint operation. |
304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
parents:
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if (PrintGCApplicationStoppedTime) { |
304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
parents:
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gclog_or_tty->print_cr("Total time for which application threads " |
304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
parents:
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"were stopped: %3.7f seconds", |
304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
parents:
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last_safepoint_time_sec()); |
304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
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} |
304ce755c6ee
6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate.
johnc
parents:
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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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void RuntimeService::record_interrupted_before_count() { |
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if (UsePerfData) { |
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_interrupted_before_count->inc(); |
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} |
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} |
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void RuntimeService::record_interrupted_during_count() { |
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if (UsePerfData) { |
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_interrupted_during_count->inc(); |
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} |
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} |
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void RuntimeService::record_thread_interrupt_signaled_count() { |
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if (UsePerfData) { |
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_thread_interrupt_signaled_count->inc(); |
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} |
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} |