1 /* 2 * Copyright (c) 2017, 2019, Red Hat, Inc. All rights reserved. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. 7 * 8 * This code is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 * version 2 for more details (a copy is included in the LICENSE file that 12 * accompanied this code). 13 * 14 * You should have received a copy of the GNU General Public License version 15 * 2 along with this work; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 * 22 */ 23 24 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHPHASETIMINGS_HPP 25 #define SHARE_GC_SHENANDOAH_SHENANDOAHPHASETIMINGS_HPP 26 27 #include "gc/shenandoah/shenandoahNumberSeq.hpp" 28 #include "gc/shared/workerDataArray.hpp" 29 #include "memory/allocation.hpp" 30 31 class ShenandoahCollectorPolicy; 32 class ShenandoahWorkerTimings; 33 class ShenandoahTerminationTimings; 34 class outputStream; 35 36 #define SHENANDOAH_GC_PHASE_DO(f) \ 37 f(total_pause_gross, "Total Pauses (G)") \ 38 f(total_pause, "Total Pauses (N)") \ 39 f(init_mark_gross, "Pause Init Mark (G)") \ 40 f(init_mark, "Pause Init Mark (N)") \ 41 f(make_parsable, " Make Parsable") \ 42 f(clear_liveness, " Clear Liveness") \ 43 \ 44 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 45 f(scan_roots, " Scan Roots") \ 46 f(scan_thread_roots, " S: Thread Roots") \ 47 f(scan_code_roots, " S: Code Cache Roots") \ 48 f(scan_universe_roots, " S: Universe Roots") \ 49 f(scan_jni_roots, " S: JNI Roots") \ 50 f(scan_jvmti_weak_roots, " S: JVMTI Weak Roots") \ 51 f(scan_jfr_weak_roots, " S: JFR Weak Roots") \ 52 f(scan_jni_weak_roots, " S: JNI Weak Roots") \ 53 f(scan_stringtable_roots, " S: String Table Roots") \ 54 f(scan_resolved_method_table_roots, " S: Resolved Table Roots") \ 55 f(scan_vm_weak_roots, " S: VM Weak Roots") \ 56 f(scan_synchronizer_roots, " S: Synchronizer Roots") \ 57 f(scan_management_roots, " S: Management Roots") \ 58 f(scan_system_dictionary_roots, " S: System Dict Roots") \ 59 f(scan_cldg_roots, " S: CLDG Roots") \ 60 f(scan_jvmti_roots, " S: JVMTI Roots") \ 61 f(scan_string_dedup_table_roots, " S: Dedup Table Roots") \ 62 f(scan_string_dedup_queue_roots, " S: Dedup Queue Roots") \ 63 f(scan_finish_queues, " S: Finish Queues" ) \ 64 \ 65 f(resize_tlabs, " Resize TLABs") \ 66 \ 67 f(final_mark_gross, "Pause Final Mark (G)") \ 68 f(final_mark, "Pause Final Mark (N)") \ 69 \ 70 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 71 f(update_roots, " Update Roots") \ 72 f(update_thread_roots, " U: Thread Roots") \ 73 f(update_code_roots, " U: Code Cache Roots") \ 74 f(update_universe_roots, " U: Universe Roots") \ 75 f(update_jni_roots, " U: JNI Roots") \ 76 f(update_jvmti_weak_roots, " U: JVMTI Weak Roots") \ 77 f(update_jfr_weak_roots, " U: JFR Weak Roots") \ 78 f(update_jni_weak_roots, " U: JNI Weak Roots") \ 79 f(update_stringtable_roots, " U: String Table Roots") \ 80 f(update_resolved_method_table_roots, " U: Resolved Table Roots") \ 81 f(update_vm_weak_roots, " U: VM Weak Roots") \ 82 f(update_synchronizer_roots, " U: Synchronizer Roots") \ 83 f(update_management_roots, " U: Management Roots") \ 84 f(update_system_dictionary_roots, " U: System Dict Roots") \ 85 f(update_cldg_roots, " U: CLDG Roots") \ 86 f(update_jvmti_roots, " U: JVMTI Roots") \ 87 f(update_string_dedup_table_roots, " U: Dedup Table Roots") \ 88 f(update_string_dedup_queue_roots, " U: Dedup Queue Roots") \ 89 f(update_finish_queues, " U: Finish Queues") \ 90 \ 91 f(finish_queues, " Finish Queues") \ 92 f(termination, " Termination") \ 93 f(weakrefs, " Weak References") \ 94 f(weakrefs_process, " Process") \ 95 f(weakrefs_termination, " Termination") \ 96 f(purge, " System Purge") \ 97 f(purge_class_unload, " Unload Classes") \ 98 f(purge_par, " Parallel Cleanup") \ 99 f(purge_cldg, " CLDG") \ 100 f(complete_liveness, " Complete Liveness") \ 101 f(prepare_evac, " Prepare Evacuation") \ 102 f(recycle_regions, " Recycle regions") \ 103 \ 104 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 105 f(init_evac, " Initial Evacuation") \ 106 f(evac_thread_roots, " E: Thread Roots") \ 107 f(evac_code_roots, " E: Code Cache Roots") \ 108 f(evac_universe_roots, " E: Universe Roots") \ 109 f(evac_jni_roots, " E: JNI Roots") \ 110 f(evac_jvmti_weak_roots, " E: JVMTI Weak Roots") \ 111 f(evac_jfr_weak_roots, " E: JFR Weak Roots") \ 112 f(evac_jni_weak_roots, " E: JNI Weak Roots") \ 113 f(evac_stringtable_roots, " E: String Table Roots") \ 114 f(evac_resolved_method_table_roots, " E: Resolved Table Roots") \ 115 f(evac_vm_weak_roots, " E: VM Weak Roots") \ 116 f(evac_synchronizer_roots, " E: Synchronizer Roots") \ 117 f(evac_management_roots, " E: Management Roots") \ 118 f(evac_system_dictionary_roots, " E: System Dict Roots") \ 119 f(evac_cldg_roots, " E: CLDG Roots") \ 120 f(evac_jvmti_roots, " E: JVMTI Roots") \ 121 f(evac_string_dedup_table_roots, " E: String Dedup Table Roots") \ 122 f(evac_string_dedup_queue_roots, " E: String Dedup Queue Roots") \ 123 f(evac_finish_queues, " E: Finish Queues") \ 124 \ 125 f(final_evac_gross, "Pause Final Evac (G)") \ 126 f(final_evac, "Pause Final Evac (N)") \ 127 \ 128 f(init_update_refs_gross, "Pause Init Update Refs (G)") \ 129 f(init_update_refs, "Pause Init Update Refs (N)") \ 130 \ 131 f(final_update_refs_gross, "Pause Final Update Refs (G)") \ 132 f(final_update_refs, "Pause Final Update Refs (N)") \ 133 f(final_update_refs_finish_work, " Finish Work") \ 134 \ 135 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 136 f(final_update_refs_roots, " Update Roots") \ 137 f(final_update_refs_thread_roots, " UR: Thread Roots") \ 138 f(final_update_refs_code_roots, " UR: Code Cache Roots") \ 139 f(final_update_refs_universe_roots, " UR: Universe Roots") \ 140 f(final_update_refs_jni_roots, " UR: JNI Roots") \ 141 f(final_update_jvmti_weak_roots, " UR: JVMTI Weak Roots") \ 142 f(final_update_jfr_weak_roots, " UR: JFR Weak Roots") \ 143 f(final_update_jni_weak_roots, " UR: JNI Weak Roots") \ 144 f(final_update_stringtable_roots, " UR: String Table Roots") \ 145 f(final_update_resolved_method_table_roots, " UR: Resolved Table Roots") \ 146 f(final_update_vm_weak_roots, " UR: VM Weak Roots") \ 147 f(final_update_refs_synchronizer_roots, " UR: Synchronizer Roots") \ 148 f(final_update_refs_management_roots, " UR: Management Roots") \ 149 f(final_update_refs_system_dict_roots, " UR: System Dict Roots") \ 150 f(final_update_refs_cldg_roots, " UR: CLDG Roots") \ 151 f(final_update_refs_jvmti_roots, " UR: JVMTI Roots") \ 152 f(final_update_refs_string_dedup_table_roots, " UR: Dedup Table Roots") \ 153 f(final_update_refs_string_dedup_queue_roots, " UR: Dedup Queue Roots") \ 154 f(final_update_refs_finish_queues, " UR: Finish Queues") \ 155 \ 156 f(final_update_refs_recycle, " Recycle") \ 157 \ 158 f(degen_gc_gross, "Pause Degenerated GC (G)") \ 159 f(degen_gc, "Pause Degenerated GC (N)") \ 160 \ 161 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 162 f(degen_gc_update_roots, " Degen Update Roots") \ 163 f(degen_gc_update_thread_roots, " DU: Thread Roots") \ 164 f(degen_gc_update_code_roots, " DU: Code Cache Roots") \ 165 f(degen_gc_update_universe_roots, " DU: Universe Roots") \ 166 f(degen_gc_update_jni_roots, " DU: JNI Roots") \ 167 f(degen_gc_update_jvmti_weak_roots, " DU: JVMTI Weak Roots") \ 168 f(degen_gc_update_jfr_weak_roots, " DU: JFR Weak Roots") \ 169 f(degen_gc_update_jni_weak_roots, " DU: JNI Weak Roots") \ 170 f(degen_gc_update_stringtable_roots, " DU: String Table Roots") \ 171 f(degen_gc_update_resolved_method_table_roots, " DU: Resolved Table Roots") \ 172 f(degen_gc_update_vm_weak_roots, " DU: VM Weak Roots") \ 173 f(degen_gc_update_synchronizer_roots, " DU: Synchronizer Roots") \ 174 f(degen_gc_update_management_roots, " DU: Management Roots") \ 175 f(degen_gc_update_system_dict_roots, " DU: System Dict Roots") \ 176 f(degen_gc_update_cldg_roots, " DU: CLDG Roots") \ 177 f(degen_gc_update_jvmti_roots, " DU: JVMTI Roots") \ 178 f(degen_gc_update_string_dedup_table_roots, " DU: Dedup Table Roots") \ 179 f(degen_gc_update_string_dedup_queue_roots, " DU: Dedup Queue Roots") \ 180 f(degen_gc_update_finish_queues, " DU: Finish Queues") \ 181 \ 182 f(init_traversal_gc_gross, "Pause Init Traversal (G)") \ 183 f(init_traversal_gc, "Pause Init Traversal (N)") \ 184 f(traversal_gc_prepare, " Prepare") \ 185 f(traversal_gc_make_parsable, " Make Parsable") \ 186 f(traversal_gc_resize_tlabs, " Resize TLABs") \ 187 \ 188 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 189 f(init_traversal_gc_work, " Work") \ 190 f(init_traversal_gc_thread_roots, " TI: Thread Roots") \ 191 f(init_traversal_gc_code_roots, " TI: Code Cache Roots") \ 192 f(init_traversal_gc_universe_roots, " TI: Universe Roots") \ 193 f(init_traversal_gc_jni_roots, " TI: JNI Roots") \ 194 f(init_traversal_gc_jvmti_weak_roots, " TI: JVMTI Weak Roots") \ 195 f(init_traversal_gc_jfr_weak_roots, " TI: JFR Weak Roots") \ 196 f(init_traversal_gc_jni_weak_roots, " TI: JNI Weak Roots") \ 197 f(init_traversal_gc_stringtable_roots, " TI: String Table Roots") \ 198 f(init_traversal_gc_resolved_method_table_roots, " TI: Resolved Table Roots") \ 199 f(init_traversal_gc_vm_weak_roots, " TI: VM Weak Roots") \ 200 f(init_traversal_gc_synchronizer_roots, " TI: Synchronizer Roots") \ 201 f(init_traversal_gc_management_roots, " TI: Management Roots") \ 202 f(init_traversal_gc_system_dict_roots, " TI: System Dict Roots") \ 203 f(init_traversal_gc_cldg_roots, " TI: CLDG Roots") \ 204 f(init_traversal_gc_jvmti_roots, " TI: JVMTI Roots") \ 205 f(init_traversal_gc_string_dedup_table_roots, " TI: Dedup Table Roots") \ 206 f(init_traversal_gc_string_dedup_queue_roots, " TI: Dedup Queue Roots") \ 207 f(init_traversal_gc_finish_queues, " TI: Finish Queues") \ 208 \ 209 f(final_traversal_gc_gross, "Pause Final Traversal (G)") \ 210 f(final_traversal_gc, "Pause Final Traversal (N)") \ 211 \ 212 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 213 f(final_traversal_gc_work, " Work") \ 214 f(final_traversal_gc_thread_roots, " TF: Thread Roots") \ 215 f(final_traversal_gc_code_roots, " TF: Code Cache Roots") \ 216 f(final_traversal_gc_universe_roots, " TF: Universe Roots") \ 217 f(final_traversal_gc_jni_roots, " TF: JNI Roots") \ 218 f(final_traversal_gc_jvmti_weak_roots, " TF: JVMTI Weak Roots") \ 219 f(final_traversal_gc_jfr_weak_roots, " TF: JFR Weak Roots") \ 220 f(final_traversal_gc_jni_weak_roots, " TF: JNI Weak Roots") \ 221 f(final_traversal_gc_stringtable_roots, " TF: String Table Roots") \ 222 f(final_traversal_gc_resolved_method_table_roots, " TF: Resolved Table Roots") \ 223 f(final_traversal_gc_vm_weak_roots, " TF: VM Weak Roots") \ 224 f(final_traversal_gc_synchronizer_roots, " TF: Synchronizer Roots") \ 225 f(final_traversal_gc_management_roots, " TF: Management Roots") \ 226 f(final_traversal_gc_system_dict_roots, " TF: System Dict Roots") \ 227 f(final_traversal_gc_cldg_roots, " TF: CLDG Roots") \ 228 f(final_traversal_gc_jvmti_roots, " TF: JVMTI Roots") \ 229 f(final_traversal_gc_string_dedup_table_roots, " TF: Dedup Table Roots") \ 230 f(final_traversal_gc_string_dedup_queue_roots, " TF: Dedup Queue Roots") \ 231 f(final_traversal_gc_finish_queues, " TF: Finish Queues") \ 232 f(final_traversal_gc_termination, " TF: Termination") \ 233 \ 234 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 235 f(final_traversal_update_roots, " Update Roots") \ 236 f(final_traversal_update_thread_roots, " TU: Thread Roots") \ 237 f(final_traversal_update_code_roots, " TU: Code Cache Roots") \ 238 f(final_traversal_update_universe_roots, " TU: Universe Roots") \ 239 f(final_traversal_update_jni_roots, " TU: JNI Roots") \ 240 f(final_traversal_update_jvmti_weak_roots, " TU: JVMTI Weak Roots") \ 241 f(final_traversal_update_jfr_weak_roots, " TU: JFR Weak Roots") \ 242 f(final_traversal_update_jni_weak_roots, " TU: JNI Weak Roots") \ 243 f(final_traversal_update_stringtable_roots, " TU: String Table Roots") \ 244 f(final_traversal_update_resolved_method_table_roots, " TU: Resolved Table Roots") \ 245 f(final_traversal_update_vm_weak_roots, " TU: VM Weak Roots") \ 246 f(final_traversal_update_synchronizer_roots, " TU: Synchronizer Roots") \ 247 f(final_traversal_update_management_roots, " TU: Management Roots") \ 248 f(final_traversal_update_system_dict_roots, " TU: System Dict Roots") \ 249 f(final_traversal_update_cldg_roots, " TU: CLDG Roots") \ 250 f(final_traversal_update_jvmti_roots, " TU: JVMTI Roots") \ 251 f(final_traversal_update_string_dedup_table_roots, " TU: Dedup Table Roots") \ 252 f(final_traversal_update_string_dedup_queue_roots, " TU: Dedup Queue Roots") \ 253 f(final_traversal_update_finish_queues, " TU: Finish Queues") \ 254 \ 255 f(traversal_gc_cleanup, " Cleanup") \ 256 \ 257 f(full_gc_gross, "Pause Full GC (G)") \ 258 f(full_gc, "Pause Full GC (N)") \ 259 f(full_gc_heapdumps, " Heap Dumps") \ 260 f(full_gc_prepare, " Prepare") \ 261 \ 262 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 263 f(full_gc_roots, " Roots") \ 264 f(full_gc_thread_roots, " F: Thread Roots") \ 265 f(full_gc_code_roots, " F: Code Cache Roots") \ 266 f(full_gc_universe_roots, " F: Universe Roots") \ 267 f(full_gc_jni_roots, " F: JNI Roots") \ 268 f(full_gc_jvmti_weak_roots, " F: JVMTI Weak Roots") \ 269 f(full_gc_jfr_weak_roots, " F: JFR Weak Roots") \ 270 f(full_gc_jni_weak_roots, " F: JNI Weak Roots") \ 271 f(full_gc_stringtable_roots, " F: String Table Roots") \ 272 f(full_gc_resolved_method_table_roots, " F: Resolved Table Roots") \ 273 f(full_gc_vm_weak_roots, " F: VM Weak Roots") \ 274 f(full_gc_synchronizer_roots, " F: Synchronizer Roots") \ 275 f(full_gc_management_roots, " F: Management Roots") \ 276 f(full_gc_system_dictionary_roots, " F: System Dict Roots") \ 277 f(full_gc_cldg_roots, " F: CLDG Roots") \ 278 f(full_gc_jvmti_roots, " F: JVMTI Roots") \ 279 f(full_gc_string_dedup_table_roots, " F: Dedup Table Roots") \ 280 f(full_gc_string_dedup_queue_roots, " F: Dedup Queue Roots") \ 281 f(full_gc_finish_queues, " F: Finish Queues") \ 282 \ 283 f(full_gc_mark, " Mark") \ 284 f(full_gc_mark_finish_queues, " Finish Queues") \ 285 f(full_gc_mark_termination, " Termination") \ 286 f(full_gc_weakrefs, " Weak References") \ 287 f(full_gc_weakrefs_process, " Process") \ 288 f(full_gc_weakrefs_termination, " Termination") \ 289 f(full_gc_purge, " System Purge") \ 290 f(full_gc_purge_class_unload, " Unload Classes") \ 291 f(full_gc_purge_par, " Parallel Cleanup") \ 292 f(full_gc_purge_cldg, " CLDG") \ 293 f(full_gc_calculate_addresses, " Calculate Addresses") \ 294 f(full_gc_calculate_addresses_regular, " Regular Objects") \ 295 f(full_gc_calculate_addresses_humong, " Humongous Objects") \ 296 f(full_gc_adjust_pointers, " Adjust Pointers") \ 297 f(full_gc_copy_objects, " Copy Objects") \ 298 f(full_gc_copy_objects_regular, " Regular Objects") \ 299 f(full_gc_copy_objects_humong, " Humongous Objects") \ 300 f(full_gc_copy_objects_reset_complete, " Reset Complete Bitmap") \ 301 f(full_gc_copy_objects_rebuild, " Rebuild Region Sets") \ 302 f(full_gc_resize_tlabs, " Resize TLABs") \ 303 \ 304 /* Longer concurrent phases at the end */ \ 305 f(conc_reset, "Concurrent Reset") \ 306 f(conc_mark, "Concurrent Marking") \ 307 f(conc_termination, " Termination") \ 308 f(conc_preclean, "Concurrent Precleaning") \ 309 f(conc_roots, "Concurrent Roots") \ 310 f(conc_evac, "Concurrent Evacuation") \ 311 f(conc_update_refs, "Concurrent Update Refs") \ 312 f(conc_cleanup, "Concurrent Cleanup") \ 313 f(conc_traversal, "Concurrent Traversal") \ 314 f(conc_traversal_termination, " Termination") \ 315 \ 316 f(conc_uncommit, "Concurrent Uncommit") \ 317 \ 318 /* Unclassified */ \ 319 f(pause_other, "Pause Other") \ 320 f(conc_other, "Concurrent Other") \ 321 // end 322 323 #define SHENANDOAH_GC_PAR_PHASE_DO(f) \ 324 f(ThreadRoots, "Thread Roots (ms):") \ 325 f(CodeCacheRoots, "CodeCache Roots (ms):") \ 326 f(UniverseRoots, "Universe Roots (ms):") \ 327 f(JNIRoots, "JNI Handles Roots (ms):") \ 328 f(JVMTIWeakRoots, "JVMTI Weak Roots (ms):") \ 329 f(JFRWeakRoots, "JFR Weak Roots (ms):") \ 330 f(JNIWeakRoots, "JNI Weak Roots (ms):") \ 331 f(StringTableRoots, "StringTable Roots(ms):") \ 332 f(ResolvedMethodTableRoots, "Resolved Table Roots(ms):") \ 333 f(VMWeakRoots, "VM Weak Roots(ms)") \ 334 f(ObjectSynchronizerRoots, "ObjectSynchronizer Roots (ms):") \ 335 f(ManagementRoots, "Management Roots (ms):") \ 336 f(SystemDictionaryRoots, "SystemDictionary Roots (ms):") \ 337 f(CLDGRoots, "CLDG Roots (ms):") \ 338 f(JVMTIRoots, "JVMTI Roots (ms):") \ 339 f(StringDedupTableRoots, "String Dedup Table Roots (ms):") \ 340 f(StringDedupQueueRoots, "String Dedup Queue Roots (ms):") \ 341 f(FinishQueues, "Finish Queues (ms):") \ 342 // end 343 344 class ShenandoahPhaseTimings : public CHeapObj<mtGC> { 345 public: 346 #define GC_PHASE_DECLARE_ENUM(type, title) type, 347 348 enum Phase { 349 SHENANDOAH_GC_PHASE_DO(GC_PHASE_DECLARE_ENUM) 350 _num_phases 351 }; 352 353 // These are the subphases of GC phases (scan_roots, update_roots, 354 // init_evac, final_update_refs_roots and full_gc_roots). 355 // Make sure they are following this order. 356 enum GCParPhases { 357 SHENANDOAH_GC_PAR_PHASE_DO(GC_PHASE_DECLARE_ENUM) 358 GCParPhasesSentinel 359 }; 360 361 #undef GC_PHASE_DECLARE_ENUM 362 363 private: 364 struct TimingData { 365 HdrSeq _secs; 366 double _start; 367 }; 368 369 private: 370 TimingData _timing_data[_num_phases]; 371 static const char* _phase_names[_num_phases]; 372 373 ShenandoahWorkerTimings* _worker_times; 374 ShenandoahTerminationTimings* _termination_times; 375 376 ShenandoahCollectorPolicy* _policy; 377 378 public: 379 ShenandoahPhaseTimings(); 380 381 ShenandoahWorkerTimings* const worker_times() const { return _worker_times; } 382 ShenandoahTerminationTimings* const termination_times() const { return _termination_times; } 383 384 // record phase start 385 void record_phase_start(Phase phase); 386 // record phase end and return elapsed time in seconds for the phase 387 void record_phase_end(Phase phase); 388 // record an elapsed time for the phase 389 void record_phase_time(Phase phase, double time); 390 391 void record_workers_start(Phase phase); 392 void record_workers_end(Phase phase); 393 394 static const char* phase_name(Phase phase) { 395 assert(phase >= 0 && phase < _num_phases, "Out of bound"); 396 return _phase_names[phase]; 397 } 398 399 void print_on(outputStream* out) const; 400 401 private: 402 void init_phase_names(); 403 void print_summary_sd(outputStream* out, const char* str, const HdrSeq* seq) const; 404 }; 405 406 class ShenandoahWorkerTimings : public CHeapObj<mtGC> { 407 private: 408 uint _max_gc_threads; 409 WorkerDataArray<double>* _gc_par_phases[ShenandoahPhaseTimings::GCParPhasesSentinel]; 410 411 public: 412 ShenandoahWorkerTimings(uint max_gc_threads); 413 414 // record the time a phase took in seconds 415 void record_time_secs(ShenandoahPhaseTimings::GCParPhases phase, uint worker_i, double secs); 416 417 double average(uint i) const; 418 void reset(uint i); 419 void print() const; 420 }; 421 422 class ShenandoahTerminationTimings : public CHeapObj<mtGC> { 423 private: 424 WorkerDataArray<double>* _gc_termination_phase; 425 public: 426 ShenandoahTerminationTimings(uint max_gc_threads); 427 428 // record the time a phase took in seconds 429 void record_time_secs(uint worker_i, double secs); 430 431 double average() const; 432 void reset(); 433 434 void print() const; 435 }; 436 437 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHPHASETIMINGS_HPP