1 /* 2 * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_VM_GC_SHARED_GCTRACETIME_INLINE_HPP 26 #define SHARE_VM_GC_SHARED_GCTRACETIME_INLINE_HPP 27 28 #include "gc/shared/collectedHeap.hpp" 29 #include "gc/shared/gcTimer.hpp" 30 #include "gc/shared/gcTrace.hpp" 31 #include "gc/shared/gcTraceTime.hpp" 32 #include "logging/log.hpp" 33 #include "logging/logStream.hpp" 34 #include "memory/universe.hpp" 35 #include "utilities/ticks.hpp" 36 37 #define LOG_STOP_HEAP_FORMAT SIZE_FORMAT "M->" SIZE_FORMAT "M(" SIZE_FORMAT "M)" 38 39 inline void GCTraceTimeImpl::log_start(jlong start_counter) { 40 if (_out_start.is_enabled()) { 41 LogStream out(_out_start); 42 43 out.print("%s", _title); 44 if (_gc_cause != GCCause::_no_gc) { 45 out.print(" (%s)", GCCause::to_string(_gc_cause)); 46 } 47 out.cr(); 48 } 49 } 50 51 inline void GCTraceTimeImpl::log_stop(jlong start_counter, jlong stop_counter) { 52 double duration_in_ms = TimeHelper::counter_to_millis(stop_counter - start_counter); 53 double start_time_in_secs = TimeHelper::counter_to_seconds(start_counter); 54 double stop_time_in_secs = TimeHelper::counter_to_seconds(stop_counter); 55 56 LogStream out(_out_stop); 57 58 out.print("%s", _title); 59 60 if (_gc_cause != GCCause::_no_gc) { 61 out.print(" (%s)", GCCause::to_string(_gc_cause)); 62 } 63 64 if (_heap_usage_before != SIZE_MAX) { 65 CollectedHeap* heap = Universe::heap(); 66 size_t used_before_m = _heap_usage_before / M; 67 size_t used_m = heap->used() / M; 68 size_t capacity_m = heap->capacity() / M; 69 out.print(" " LOG_STOP_HEAP_FORMAT, used_before_m, used_m, capacity_m); 70 } 71 72 out.print_cr(" %.3fms", duration_in_ms); 73 } 74 75 inline void GCTraceTimeImpl::time_stamp(Ticks& ticks) { 76 if (_enabled || _timer != NULL) { 77 ticks.stamp(); 78 } 79 } 80 81 inline GCTraceTimeImpl::GCTraceTimeImpl(LogTargetHandle out_start, LogTargetHandle out_stop, const char* title, GCTimer* timer, GCCause::Cause gc_cause, bool log_heap_usage) : 82 _enabled(out_stop.is_enabled()), 83 _out_start(out_start), 84 _out_stop(out_stop), 85 _start_ticks(), 86 _heap_usage_before(SIZE_MAX), 87 _title(title), 88 _gc_cause(gc_cause), 89 _timer(timer) { 90 91 time_stamp(_start_ticks); 92 if (_enabled) { 93 if (log_heap_usage) { 94 _heap_usage_before = Universe::heap()->used(); 95 } 96 log_start(_start_ticks.value()); 97 } 98 if (_timer != NULL) { 99 _timer->register_gc_phase_start(_title, _start_ticks); 100 } 101 } 102 103 inline GCTraceTimeImpl::~GCTraceTimeImpl() { 104 Ticks stop_ticks; 105 time_stamp(stop_ticks); 106 if (_enabled) { 107 log_stop(_start_ticks.value(), stop_ticks.value()); 108 } 109 if (_timer != NULL) { 110 _timer->register_gc_phase_end(stop_ticks); 111 } 112 } 113 114 template <LogLevelType Level, LogTagType T0, LogTagType T1, LogTagType T2, LogTagType T3, LogTagType T4, LogTagType GuardTag > 115 GCTraceConcTimeImpl<Level, T0, T1, T2, T3, T4, GuardTag>::GCTraceConcTimeImpl(const char* title) : 116 _enabled(LogImpl<T0, T1, T2, T3, T4, GuardTag>::is_level(Level)), _start_time(os::elapsed_counter()), _title(title) { 117 if (_enabled) { 118 LogImpl<T0, T1, T2, T3, T4>::template write<Level>("%s", _title); 119 } 120 } 121 122 template <LogLevelType Level, LogTagType T0, LogTagType T1, LogTagType T2, LogTagType T3, LogTagType T4, LogTagType GuardTag > 123 GCTraceConcTimeImpl<Level, T0, T1, T2, T3, T4, GuardTag>::~GCTraceConcTimeImpl() { 124 if (_enabled) { 125 jlong stop_time = os::elapsed_counter(); 126 LogImpl<T0, T1, T2, T3, T4>::template write<Level>("%s %0.3fms", _title, 127 TimeHelper::counter_to_millis(stop_time - _start_time)); 128 } 129 } 130 131 // Figure out the first __NO_TAG position and replace it with 'start'. 132 #define INJECT_START_TAG(T1, T2, T3, T4) \ 133 (( T1 == LogTag::__NO_TAG) ? PREFIX_LOG_TAG(start) : T1), \ 134 ((T1 != LogTag::__NO_TAG && T2 == LogTag::__NO_TAG) ? PREFIX_LOG_TAG(start) : T2), \ 135 ((T2 != LogTag::__NO_TAG && T3 == LogTag::__NO_TAG) ? PREFIX_LOG_TAG(start) : T3), \ 136 ((T3 != LogTag::__NO_TAG && T4 == LogTag::__NO_TAG) ? PREFIX_LOG_TAG(start) : T4) 137 138 template <LogLevelType level, LogTagType T0, LogTagType T1, LogTagType T2, LogTagType T3, LogTagType T4, LogTagType GuardTag> 139 GCTraceTimeImplWrapper<level, T0, T1, T2, T3, T4, GuardTag>::GCTraceTimeImplWrapper( 140 const char* title, GCTimer* timer, GCCause::Cause gc_cause, bool log_heap_usage) 141 : _impl( 142 LogTargetHandle::create<level, T0, INJECT_START_TAG(T1, T2, T3, T4), GuardTag>(), 143 LogTargetHandle::create<level, T0, T1, T2, T3, T4, GuardTag>(), 144 title, 145 timer, 146 gc_cause, 147 log_heap_usage) { 148 149 STATIC_ASSERT(T0 != LogTag::__NO_TAG); // Need some tag to log on. 150 STATIC_ASSERT(T4 == LogTag::__NO_TAG); // Need to leave at least the last tag for the "start" tag in log_start() 151 } 152 153 #undef INJECT_START_TAG 154 155 template <LogLevelType Level, LogTagType T0, LogTagType T1, LogTagType T2, LogTagType T3, LogTagType T4, LogTagType GuardTag> 156 GCTraceTimeImplWrapper<Level, T0, T1, T2, T3, T4, GuardTag>::~GCTraceTimeImplWrapper() {} 157 158 #define GCTraceTime(Level, ...) GCTraceTimeImplWrapper<LogLevel::Level, LOG_TAGS(__VA_ARGS__)> 159 #define GCTraceConcTime(Level, ...) GCTraceConcTimeImpl<LogLevel::Level, LOG_TAGS(__VA_ARGS__)> 160 161 #endif // SHARE_VM_GC_SHARED_GCTRACETIME_INLINE_HPP