Mercurial > hg > truffle
diff src/share/vm/services/runtimeService.cpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | 8859772195c6 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/services/runtimeService.cpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,176 @@ +/* + * Copyright 2003-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +# include "incls/_precompiled.incl" +# include "incls/_runtimeService.cpp.incl" + +HS_DTRACE_PROBE_DECL(hs_private, safepoint__begin); +HS_DTRACE_PROBE_DECL(hs_private, safepoint__end); + +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'; +#ifdef KERNEL + capabilities[1] = '1'; +#endif // KERNEL + PerfDataManager::create_string_constant(SUN_RT, "jvmCapabilities", + capabilities, CHECK); + } +} + +void RuntimeService::record_safepoint_begin() { + HS_DTRACE_PROBE(hs_private, safepoint__begin); + // 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() { + HS_DTRACE_PROBE(hs_private, safepoint__end); + // 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(); + } +}