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_global_roots, " S: VM Global Roots") \ 56 f(scan_vm_weak_roots, " S: VM Weak Roots") \ 57 f(scan_synchronizer_roots, " S: Synchronizer Roots") \ 58 f(scan_management_roots, " S: Management Roots") \ 59 f(scan_system_dictionary_roots, " S: System Dict Roots") \ 60 f(scan_cldg_roots, " S: CLDG Roots") \ 61 f(scan_jvmti_roots, " S: JVMTI Roots") \ 62 f(scan_string_dedup_table_roots, " S: Dedup Table Roots") \ 63 f(scan_string_dedup_queue_roots, " S: Dedup Queue Roots") \ 64 f(scan_finish_queues, " S: Finish Queues" ) \ 65 \ 66 f(resize_tlabs, " Resize TLABs") \ 67 \ 68 f(final_mark_gross, "Pause Final Mark (G)") \ 69 f(final_mark, "Pause Final Mark (N)") \ 70 \ 71 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 72 f(update_roots, " Update Roots") \ 73 f(update_thread_roots, " U: Thread Roots") \ 74 f(update_code_roots, " U: Code Cache Roots") \ 75 f(update_universe_roots, " U: Universe Roots") \ 76 f(update_jni_roots, " U: JNI Roots") \ 77 f(update_jvmti_weak_roots, " U: JVMTI Weak Roots") \ 78 f(update_jfr_weak_roots, " U: JFR Weak Roots") \ 79 f(update_jni_weak_roots, " U: JNI Weak Roots") \ 80 f(update_stringtable_roots, " U: String Table Roots") \ 81 f(update_resolved_method_table_roots, " U: Resolved Table Roots") \ 82 f(update_vm_global_roots, " U: VM Global Roots") \ 83 f(update_vm_weak_roots, " U: VM Weak Roots") \ 84 f(update_synchronizer_roots, " U: Synchronizer Roots") \ 85 f(update_management_roots, " U: Management Roots") \ 86 f(update_system_dictionary_roots, " U: System Dict Roots") \ 87 f(update_cldg_roots, " U: CLDG Roots") \ 88 f(update_jvmti_roots, " U: JVMTI Roots") \ 89 f(update_string_dedup_table_roots, " U: Dedup Table Roots") \ 90 f(update_string_dedup_queue_roots, " U: Dedup Queue Roots") \ 91 f(update_finish_queues, " U: Finish Queues") \ 92 \ 93 f(finish_queues, " Finish Queues") \ 94 f(termination, " Termination") \ 95 f(weakrefs, " Weak References") \ 96 f(weakrefs_process, " Process") \ 97 f(weakrefs_termination, " Termination") \ 98 f(purge, " System Purge") \ 99 f(purge_class_unload, " Unload Classes") \ 100 f(purge_par, " Parallel Cleanup") \ 101 f(purge_cldg, " CLDG") \ 102 f(complete_liveness, " Complete Liveness") \ 103 f(prepare_evac, " Prepare Evacuation") \ 104 f(recycle_regions, " Recycle regions") \ 105 \ 106 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 107 f(init_evac, " Initial Evacuation") \ 108 f(evac_thread_roots, " E: Thread Roots") \ 109 f(evac_code_roots, " E: Code Cache Roots") \ 110 f(evac_universe_roots, " E: Universe Roots") \ 111 f(evac_jni_roots, " E: JNI Roots") \ 112 f(evac_jvmti_weak_roots, " E: JVMTI Weak Roots") \ 113 f(evac_jfr_weak_roots, " E: JFR Weak Roots") \ 114 f(evac_jni_weak_roots, " E: JNI Weak Roots") \ 115 f(evac_stringtable_roots, " E: String Table Roots") \ 116 f(evac_resolved_method_table_roots, " E: Resolved Table Roots") \ 117 f(evac_vm_global_roots, " E: VM Global Roots") \ 118 f(evac_vm_weak_roots, " E: VM Weak Roots") \ 119 f(evac_synchronizer_roots, " E: Synchronizer Roots") \ 120 f(evac_management_roots, " E: Management Roots") \ 121 f(evac_system_dictionary_roots, " E: System Dict Roots") \ 122 f(evac_cldg_roots, " E: CLDG Roots") \ 123 f(evac_jvmti_roots, " E: JVMTI Roots") \ 124 f(evac_string_dedup_table_roots, " E: String Dedup Table Roots") \ 125 f(evac_string_dedup_queue_roots, " E: String Dedup Queue Roots") \ 126 f(evac_finish_queues, " E: Finish Queues") \ 127 \ 128 f(final_evac_gross, "Pause Final Evac (G)") \ 129 f(final_evac, "Pause Final Evac (N)") \ 130 \ 131 f(init_update_refs_gross, "Pause Init Update Refs (G)") \ 132 f(init_update_refs, "Pause Init Update Refs (N)") \ 133 \ 134 f(final_update_refs_gross, "Pause Final Update Refs (G)") \ 135 f(final_update_refs, "Pause Final Update Refs (N)") \ 136 f(final_update_refs_finish_work, " Finish Work") \ 137 \ 138 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 139 f(final_update_refs_roots, " Update Roots") \ 140 f(final_update_refs_thread_roots, " UR: Thread Roots") \ 141 f(final_update_refs_code_roots, " UR: Code Cache Roots") \ 142 f(final_update_refs_universe_roots, " UR: Universe Roots") \ 143 f(final_update_refs_jni_roots, " UR: JNI Roots") \ 144 f(final_update_jvmti_weak_roots, " UR: JVMTI Weak Roots") \ 145 f(final_update_jfr_weak_roots, " UR: JFR Weak Roots") \ 146 f(final_update_jni_weak_roots, " UR: JNI Weak Roots") \ 147 f(final_update_stringtable_roots, " UR: String Table Roots") \ 148 f(final_update_resolved_method_table_roots, " UR: Resolved Table Roots") \ 149 f(final_update_vm_global_roots, " UR: VM Global Roots") \ 150 f(final_update_vm_weak_roots, " UR: VM Weak Roots") \ 151 f(final_update_refs_synchronizer_roots, " UR: Synchronizer Roots") \ 152 f(final_update_refs_management_roots, " UR: Management Roots") \ 153 f(final_update_refs_system_dict_roots, " UR: System Dict Roots") \ 154 f(final_update_refs_cldg_roots, " UR: CLDG Roots") \ 155 f(final_update_refs_jvmti_roots, " UR: JVMTI Roots") \ 156 f(final_update_refs_string_dedup_table_roots, " UR: Dedup Table Roots") \ 157 f(final_update_refs_string_dedup_queue_roots, " UR: Dedup Queue Roots") \ 158 f(final_update_refs_finish_queues, " UR: Finish Queues") \ 159 \ 160 f(final_update_refs_recycle, " Recycle") \ 161 \ 162 f(degen_gc_gross, "Pause Degenerated GC (G)") \ 163 f(degen_gc, "Pause Degenerated GC (N)") \ 164 \ 165 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 166 f(degen_gc_update_roots, " Degen Update Roots") \ 167 f(degen_gc_update_thread_roots, " DU: Thread Roots") \ 168 f(degen_gc_update_code_roots, " DU: Code Cache Roots") \ 169 f(degen_gc_update_universe_roots, " DU: Universe Roots") \ 170 f(degen_gc_update_jni_roots, " DU: JNI Roots") \ 171 f(degen_gc_update_jvmti_weak_roots, " DU: JVMTI Weak Roots") \ 172 f(degen_gc_update_jfr_weak_roots, " DU: JFR Weak Roots") \ 173 f(degen_gc_update_jni_weak_roots, " DU: JNI Weak Roots") \ 174 f(degen_gc_update_stringtable_roots, " DU: String Table Roots") \ 175 f(degen_gc_update_resolved_method_table_roots, " DU: Resolved Table Roots") \ 176 f(degen_gc_update_vm_global_roots, " DU: VM Global Roots") \ 177 f(degen_gc_update_vm_weak_roots, " DU: VM Weak Roots") \ 178 f(degen_gc_update_synchronizer_roots, " DU: Synchronizer Roots") \ 179 f(degen_gc_update_management_roots, " DU: Management Roots") \ 180 f(degen_gc_update_system_dict_roots, " DU: System Dict Roots") \ 181 f(degen_gc_update_cldg_roots, " DU: CLDG Roots") \ 182 f(degen_gc_update_jvmti_roots, " DU: JVMTI Roots") \ 183 f(degen_gc_update_string_dedup_table_roots, " DU: Dedup Table Roots") \ 184 f(degen_gc_update_string_dedup_queue_roots, " DU: Dedup Queue Roots") \ 185 f(degen_gc_update_finish_queues, " DU: Finish Queues") \ 186 \ 187 f(init_traversal_gc_gross, "Pause Init Traversal (G)") \ 188 f(init_traversal_gc, "Pause Init Traversal (N)") \ 189 f(traversal_gc_prepare, " Prepare") \ 190 f(traversal_gc_make_parsable, " Make Parsable") \ 191 f(traversal_gc_resize_tlabs, " Resize TLABs") \ 192 \ 193 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 194 f(init_traversal_gc_work, " Work") \ 195 f(init_traversal_gc_thread_roots, " TI: Thread Roots") \ 196 f(init_traversal_gc_code_roots, " TI: Code Cache Roots") \ 197 f(init_traversal_gc_universe_roots, " TI: Universe Roots") \ 198 f(init_traversal_gc_jni_roots, " TI: JNI Roots") \ 199 f(init_traversal_gc_jvmti_weak_roots, " TI: JVMTI Weak Roots") \ 200 f(init_traversal_gc_jfr_weak_roots, " TI: JFR Weak Roots") \ 201 f(init_traversal_gc_jni_weak_roots, " TI: JNI Weak Roots") \ 202 f(init_traversal_gc_stringtable_roots, " TI: String Table Roots") \ 203 f(init_traversal_gc_resolved_method_table_roots, " TI: Resolved Table Roots") \ 204 f(init_traversal_gc_vm_global_roots, " TI: VM Global Roots") \ 205 f(init_traversal_gc_vm_weak_roots, " TI: VM Weak Roots") \ 206 f(init_traversal_gc_synchronizer_roots, " TI: Synchronizer Roots") \ 207 f(init_traversal_gc_management_roots, " TI: Management Roots") \ 208 f(init_traversal_gc_system_dict_roots, " TI: System Dict Roots") \ 209 f(init_traversal_gc_cldg_roots, " TI: CLDG Roots") \ 210 f(init_traversal_gc_jvmti_roots, " TI: JVMTI Roots") \ 211 f(init_traversal_gc_string_dedup_table_roots, " TI: Dedup Table Roots") \ 212 f(init_traversal_gc_string_dedup_queue_roots, " TI: Dedup Queue Roots") \ 213 f(init_traversal_gc_finish_queues, " TI: Finish Queues") \ 214 \ 215 f(final_traversal_gc_gross, "Pause Final Traversal (G)") \ 216 f(final_traversal_gc, "Pause Final Traversal (N)") \ 217 \ 218 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 219 f(final_traversal_gc_work, " Work") \ 220 f(final_traversal_gc_thread_roots, " TF: Thread Roots") \ 221 f(final_traversal_gc_code_roots, " TF: Code Cache Roots") \ 222 f(final_traversal_gc_universe_roots, " TF: Universe Roots") \ 223 f(final_traversal_gc_jni_roots, " TF: JNI Roots") \ 224 f(final_traversal_gc_jvmti_weak_roots, " TF: JVMTI Weak Roots") \ 225 f(final_traversal_gc_jfr_weak_roots, " TF: JFR Weak Roots") \ 226 f(final_traversal_gc_jni_weak_roots, " TF: JNI Weak Roots") \ 227 f(final_traversal_gc_stringtable_roots, " TF: String Table Roots") \ 228 f(final_traversal_gc_resolved_method_table_roots, " TF: Resolved Table Roots") \ 229 f(final_traversal_gc_vm_global_roots, " TF: VM Global Roots") \ 230 f(final_traversal_gc_vm_weak_roots, " TF: VM Weak Roots") \ 231 f(final_traversal_gc_synchronizer_roots, " TF: Synchronizer Roots") \ 232 f(final_traversal_gc_management_roots, " TF: Management Roots") \ 233 f(final_traversal_gc_system_dict_roots, " TF: System Dict Roots") \ 234 f(final_traversal_gc_cldg_roots, " TF: CLDG Roots") \ 235 f(final_traversal_gc_jvmti_roots, " TF: JVMTI Roots") \ 236 f(final_traversal_gc_string_dedup_table_roots, " TF: Dedup Table Roots") \ 237 f(final_traversal_gc_string_dedup_queue_roots, " TF: Dedup Queue Roots") \ 238 f(final_traversal_gc_finish_queues, " TF: Finish Queues") \ 239 f(final_traversal_gc_termination, " TF: Termination") \ 240 \ 241 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 242 f(final_traversal_update_roots, " Update Roots") \ 243 f(final_traversal_update_thread_roots, " TU: Thread Roots") \ 244 f(final_traversal_update_code_roots, " TU: Code Cache Roots") \ 245 f(final_traversal_update_universe_roots, " TU: Universe Roots") \ 246 f(final_traversal_update_jni_roots, " TU: JNI Roots") \ 247 f(final_traversal_update_jvmti_weak_roots, " TU: JVMTI Weak Roots") \ 248 f(final_traversal_update_jfr_weak_roots, " TU: JFR Weak Roots") \ 249 f(final_traversal_update_jni_weak_roots, " TU: JNI Weak Roots") \ 250 f(final_traversal_update_stringtable_roots, " TU: String Table Roots") \ 251 f(final_traversal_update_resolved_method_table_roots, " TU: Resolved Table Roots") \ 252 f(final_traversal_update_vm_global_roots, " TU: VM Global Roots") \ 253 f(final_traversal_update_vm_weak_roots, " TU: VM Weak Roots") \ 254 f(final_traversal_update_synchronizer_roots, " TU: Synchronizer Roots") \ 255 f(final_traversal_update_management_roots, " TU: Management Roots") \ 256 f(final_traversal_update_system_dict_roots, " TU: System Dict Roots") \ 257 f(final_traversal_update_cldg_roots, " TU: CLDG Roots") \ 258 f(final_traversal_update_jvmti_roots, " TU: JVMTI Roots") \ 259 f(final_traversal_update_string_dedup_table_roots, " TU: Dedup Table Roots") \ 260 f(final_traversal_update_string_dedup_queue_roots, " TU: Dedup Queue Roots") \ 261 f(final_traversal_update_finish_queues, " TU: Finish Queues") \ 262 \ 263 f(traversal_gc_cleanup, " Cleanup") \ 264 \ 265 f(full_gc_gross, "Pause Full GC (G)") \ 266 f(full_gc, "Pause Full GC (N)") \ 267 f(full_gc_heapdumps, " Heap Dumps") \ 268 f(full_gc_prepare, " Prepare") \ 269 \ 270 /* Per-thread timer block, should have "roots" counters in consistent order */ \ 271 f(full_gc_roots, " Roots") \ 272 f(full_gc_thread_roots, " F: Thread Roots") \ 273 f(full_gc_code_roots, " F: Code Cache Roots") \ 274 f(full_gc_universe_roots, " F: Universe Roots") \ 275 f(full_gc_jni_roots, " F: JNI Roots") \ 276 f(full_gc_jvmti_weak_roots, " F: JVMTI Weak Roots") \ 277 f(full_gc_jfr_weak_roots, " F: JFR Weak Roots") \ 278 f(full_gc_jni_weak_roots, " F: JNI Weak Roots") \ 279 f(full_gc_stringtable_roots, " F: String Table Roots") \ 280 f(full_gc_resolved_method_table_roots, " F: Resolved Table Roots") \ 281 f(full_gc_vm_global_roots, " F: VM Global Roots") \ 282 f(full_gc_vm_weak_roots, " F: VM Weak Roots") \ 283 f(full_gc_synchronizer_roots, " F: Synchronizer Roots") \ 284 f(full_gc_management_roots, " F: Management Roots") \ 285 f(full_gc_system_dictionary_roots, " F: System Dict Roots") \ 286 f(full_gc_cldg_roots, " F: CLDG Roots") \ 287 f(full_gc_jvmti_roots, " F: JVMTI Roots") \ 288 f(full_gc_string_dedup_table_roots, " F: Dedup Table Roots") \ 289 f(full_gc_string_dedup_queue_roots, " F: Dedup Queue Roots") \ 290 f(full_gc_finish_queues, " F: Finish Queues") \ 291 \ 292 f(full_gc_mark, " Mark") \ 293 f(full_gc_mark_finish_queues, " Finish Queues") \ 294 f(full_gc_mark_termination, " Termination") \ 295 f(full_gc_weakrefs, " Weak References") \ 296 f(full_gc_weakrefs_process, " Process") \ 297 f(full_gc_weakrefs_termination, " Termination") \ 298 f(full_gc_purge, " System Purge") \ 299 f(full_gc_purge_class_unload, " Unload Classes") \ 300 f(full_gc_purge_par, " Parallel Cleanup") \ 301 f(full_gc_purge_cldg, " CLDG") \ 302 f(full_gc_calculate_addresses, " Calculate Addresses") \ 303 f(full_gc_calculate_addresses_regular, " Regular Objects") \ 304 f(full_gc_calculate_addresses_humong, " Humongous Objects") \ 305 f(full_gc_adjust_pointers, " Adjust Pointers") \ 306 f(full_gc_copy_objects, " Copy Objects") \ 307 f(full_gc_copy_objects_regular, " Regular Objects") \ 308 f(full_gc_copy_objects_humong, " Humongous Objects") \ 309 f(full_gc_copy_objects_reset_complete, " Reset Complete Bitmap") \ 310 f(full_gc_copy_objects_rebuild, " Rebuild Region Sets") \ 311 f(full_gc_resize_tlabs, " Resize TLABs") \ 312 \ 313 /* Longer concurrent phases at the end */ \ 314 f(conc_reset, "Concurrent Reset") \ 315 f(conc_mark, "Concurrent Marking") \ 316 f(conc_termination, " Termination") \ 317 f(conc_preclean, "Concurrent Precleaning") \ 318 f(conc_roots, "Concurrent Roots") \ 319 f(conc_evac, "Concurrent Evacuation") \ 320 f(conc_update_refs, "Concurrent Update Refs") \ 321 f(conc_cleanup, "Concurrent Cleanup") \ 322 f(conc_traversal, "Concurrent Traversal") \ 323 f(conc_traversal_termination, " Termination") \ 324 \ 325 f(conc_uncommit, "Concurrent Uncommit") \ 326 \ 327 /* Unclassified */ \ 328 f(pause_other, "Pause Other") \ 329 f(conc_other, "Concurrent Other") \ 330 // end 331 332 #define SHENANDOAH_GC_PAR_PHASE_DO(f) \ 333 f(ThreadRoots, "Thread Roots (ms):") \ 334 f(CodeCacheRoots, "CodeCache Roots (ms):") \ 335 f(UniverseRoots, "Universe Roots (ms):") \ 336 f(JNIRoots, "JNI Handles Roots (ms):") \ 337 f(JVMTIWeakRoots, "JVMTI Weak Roots (ms):") \ 338 f(JFRWeakRoots, "JFR Weak Roots (ms):") \ 339 f(JNIWeakRoots, "JNI Weak Roots (ms):") \ 340 f(StringTableRoots, "StringTable Roots(ms):") \ 341 f(ResolvedMethodTableRoots, "Resolved Table Roots(ms):") \ 342 f(VMGlobalRoots, "VM Global Roots(ms)") \ 343 f(VMWeakRoots, "VM Weak Roots(ms)") \ 344 f(ObjectSynchronizerRoots, "ObjectSynchronizer Roots (ms):") \ 345 f(ManagementRoots, "Management Roots (ms):") \ 346 f(SystemDictionaryRoots, "SystemDictionary Roots (ms):") \ 347 f(CLDGRoots, "CLDG Roots (ms):") \ 348 f(JVMTIRoots, "JVMTI Roots (ms):") \ 349 f(StringDedupTableRoots, "String Dedup Table Roots (ms):") \ 350 f(StringDedupQueueRoots, "String Dedup Queue Roots (ms):") \ 351 f(FinishQueues, "Finish Queues (ms):") \ 352 // end 353 354 class ShenandoahPhaseTimings : public CHeapObj<mtGC> { 355 public: 356 #define GC_PHASE_DECLARE_ENUM(type, title) type, 357 358 enum Phase { 359 SHENANDOAH_GC_PHASE_DO(GC_PHASE_DECLARE_ENUM) 360 _num_phases 361 }; 362 363 // These are the subphases of GC phases (scan_roots, update_roots, 364 // init_evac, final_update_refs_roots and full_gc_roots). 365 // Make sure they are following this order. 366 enum GCParPhases { 367 SHENANDOAH_GC_PAR_PHASE_DO(GC_PHASE_DECLARE_ENUM) 368 GCParPhasesSentinel 369 }; 370 371 #undef GC_PHASE_DECLARE_ENUM 372 373 private: 374 struct TimingData { 375 HdrSeq _secs; 376 double _start; 377 }; 378 379 private: 380 TimingData _timing_data[_num_phases]; 381 static const char* _phase_names[_num_phases]; 382 383 ShenandoahWorkerTimings* _worker_times; 384 ShenandoahTerminationTimings* _termination_times; 385 386 ShenandoahCollectorPolicy* _policy; 387 388 public: 389 ShenandoahPhaseTimings(); 390 391 ShenandoahWorkerTimings* const worker_times() const { return _worker_times; } 392 ShenandoahTerminationTimings* const termination_times() const { return _termination_times; } 393 394 // record phase start 395 void record_phase_start(Phase phase); 396 // record phase end and return elapsed time in seconds for the phase 397 void record_phase_end(Phase phase); 398 // record an elapsed time for the phase 399 void record_phase_time(Phase phase, double time); 400 401 void record_workers_start(Phase phase); 402 void record_workers_end(Phase phase); 403 404 static const char* phase_name(Phase phase) { 405 assert(phase >= 0 && phase < _num_phases, "Out of bound"); 406 return _phase_names[phase]; 407 } 408 409 void print_on(outputStream* out) const; 410 411 private: 412 void init_phase_names(); 413 void print_summary_sd(outputStream* out, const char* str, const HdrSeq* seq) const; 414 }; 415 416 class ShenandoahWorkerTimings : public CHeapObj<mtGC> { 417 private: 418 uint _max_gc_threads; 419 WorkerDataArray<double>* _gc_par_phases[ShenandoahPhaseTimings::GCParPhasesSentinel]; 420 421 public: 422 ShenandoahWorkerTimings(uint max_gc_threads); 423 424 // record the time a phase took in seconds 425 void record_time_secs(ShenandoahPhaseTimings::GCParPhases phase, uint worker_i, double secs); 426 427 double average(uint i) const; 428 void reset(uint i); 429 void print() const; 430 }; 431 432 class ShenandoahTerminationTimings : public CHeapObj<mtGC> { 433 private: 434 WorkerDataArray<double>* _gc_termination_phase; 435 public: 436 ShenandoahTerminationTimings(uint max_gc_threads); 437 438 // record the time a phase took in seconds 439 void record_time_secs(uint worker_i, double secs); 440 441 double average() const; 442 void reset(); 443 444 void print() const; 445 }; 446 447 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHPHASETIMINGS_HPP