| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2009 Ericsson |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials are |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which |
| 6 | * accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | * |
| 9 | * Contributors: |
| 10 | * Alvaro Sanchez-Leon (alvsan09@gmail.com) - Initial API and implementation |
| 11 | *******************************************************************************/ |
| 12 | package org.eclipse.linuxtools.lttng.tests.state.handlers.before; |
| 13 | |
| 14 | import org.eclipse.linuxtools.lttng.TraceDebug; |
| 15 | import org.eclipse.linuxtools.lttng.event.LttngEvent; |
| 16 | import org.eclipse.linuxtools.lttng.state.StateStrings.ExecutionMode; |
| 17 | import org.eclipse.linuxtools.lttng.state.StateStrings.ExecutionSubMode; |
| 18 | import org.eclipse.linuxtools.lttng.state.StateStrings.Fields; |
| 19 | import org.eclipse.linuxtools.lttng.state.evProcessor.ILttngEventProcessor; |
| 20 | import org.eclipse.linuxtools.lttng.state.model.LttngExecutionState; |
| 21 | import org.eclipse.linuxtools.lttng.state.model.LttngProcessState; |
| 22 | import org.eclipse.linuxtools.lttng.state.model.LttngTraceState; |
| 23 | import org.eclipse.linuxtools.lttng.tests.state.handlers.AbsStateUpdate; |
| 24 | |
| 25 | /** |
| 26 | * Process the system call entry event |
| 27 | * |
| 28 | * @author alvaro |
| 29 | * |
| 30 | */ |
| 31 | @SuppressWarnings("nls") |
| 32 | class StateBeforeUpdateHandlers { |
| 33 | |
| 34 | final ILttngEventProcessor getSyscallEntryHandler() { |
| 35 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 36 | |
| 37 | // @Override |
| 38 | @Override |
| 39 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 40 | // TraceDebug.debug("Before event called"); |
| 41 | // |
| 42 | Long cpu = trcEvent.getCpuId(); |
| 43 | |
| 44 | // No syscall_entry update for initialization process |
| 45 | LttngProcessState process = traceSt.getRunning_process().get(cpu); |
| 46 | |
| 47 | pid = process.getPid(); |
| 48 | if (pid == 0L) { |
| 49 | return true; |
| 50 | } |
| 51 | |
| 52 | // Get the expected event field |
| 53 | Long syscall = getAFieldLong(trcEvent, traceSt, |
| 54 | Fields.LTT_FIELD_SYSCALL_ID); |
| 55 | if (syscall == null) { |
| 56 | TraceDebug.debug("Syscall Field not found in Event: " |
| 57 | + trcEvent.getMarkerName()); |
| 58 | return true; |
| 59 | } |
| 60 | |
| 61 | String submode = traceSt.getSyscall_names().get(syscall); |
| 62 | |
| 63 | if (submode == null) { |
| 64 | TraceDebug.debug("Submode not found in Event"); |
| 65 | submode = ExecutionSubMode.LTTV_STATE_SUBMODE_UNKNOWN |
| 66 | .getInName(); |
| 67 | } |
| 68 | |
| 69 | exState = new LttngExecutionState(); |
| 70 | exState.setExec_mode(ExecutionMode.LTTV_STATE_SYSCALL); |
| 71 | exState.setExec_submode(submode); |
| 72 | exState.setEntry_Time(trcEvent.getTimestamp().getValue()); |
| 73 | exState.setChange_Time(trcEvent.getTimestamp().getValue()); |
| 74 | exState.setCum_cpu_time(0L); |
| 75 | |
| 76 | return false; |
| 77 | } |
| 78 | }; |
| 79 | return handler; |
| 80 | } |
| 81 | |
| 82 | final ILttngEventProcessor getsySyscallExitHandler() { |
| 83 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 84 | |
| 85 | // @Override |
| 86 | @Override |
| 87 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 88 | |
| 89 | Long cpu = trcEvent.getCpuId(); |
| 90 | LttngProcessState process = traceSt.getRunning_process().get(cpu); |
| 91 | |
| 92 | /* There can be no system call from PID 0 : unknown state */ |
| 93 | pid = process.getPid(); |
| 94 | if (pid == 0L) { |
| 95 | return true; |
| 96 | } |
| 97 | |
| 98 | // pop_state(cpu, StateStrings.ExecutionMode.LTTV_STATE_SYSCALL, |
| 99 | // traceSt, trcEvent.getTimestamp()); |
| 100 | return false; |
| 101 | |
| 102 | } |
| 103 | }; |
| 104 | return handler; |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Update stacks related to the parsing of an LttngEvent |
| 109 | * |
| 110 | * @return |
| 111 | */ |
| 112 | final ILttngEventProcessor getTrapEntryHandler() { |
| 113 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 114 | |
| 115 | // @Override |
| 116 | @Override |
| 117 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 118 | // Long cpu = trcEvent.getCpuId(); |
| 119 | // |
| 120 | // Long trap = getAFieldLong(trcEvent, traceSt, |
| 121 | // Fields.LTT_FIELD_TRAP_ID); |
| 122 | // if (trap == null) { |
| 123 | // return true; |
| 124 | // } |
| 125 | // |
| 126 | // String submode = traceSt.getSyscall_names() |
| 127 | // .get(trap); |
| 128 | // |
| 129 | // if (submode == null) { |
| 130 | // submode = ExecutionSubMode.LTTV_STATE_SUBMODE_UNKNOWN |
| 131 | // .getInName(); |
| 132 | // } |
| 133 | // |
| 134 | // /* update process state */ |
| 135 | // push_state(cpu, StateStrings.ExecutionMode.LTTV_STATE_TRAP, |
| 136 | // submode, trcEvent.getTimestamp(), traceSt); |
| 137 | // |
| 138 | // /* update cpu status */ |
| 139 | // LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); |
| 140 | // cpu_push_mode(cpust, StateStrings.CpuMode.LTTV_CPU_TRAP); |
| 141 | // cpust.setLast_trap(trap); /* update trap status */ |
| 142 | // |
| 143 | // // update Trap State |
| 144 | // LttngTrapState trap_state = traceSt.getTrap_states().get( |
| 145 | // trap); |
| 146 | // trap_state.incrementRunning(); |
| 147 | |
| 148 | return false; |
| 149 | |
| 150 | } |
| 151 | }; |
| 152 | return handler; |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * |
| 157 | * @return |
| 158 | */ |
| 159 | final ILttngEventProcessor getTrapExitHandler() { |
| 160 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 161 | |
| 162 | // @Override |
| 163 | @Override |
| 164 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 165 | // |
| 166 | // Long cpu = trcEvent.getCpuId(); |
| 167 | // LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); |
| 168 | // Long trap = cpust.getLast_trap(); |
| 169 | // |
| 170 | // pop_state(cpu, ExecutionMode.LTTV_STATE_TRAP, traceSt, |
| 171 | // trcEvent |
| 172 | // .getTimestamp()); |
| 173 | // |
| 174 | // /* update cpu status */ |
| 175 | // cpu_pop_mode(cpust); |
| 176 | // |
| 177 | // /* update trap status */ |
| 178 | // if (trap != -1L) { |
| 179 | // traceSt.getTrap_states().get(trap).decrementRunning(); |
| 180 | // } |
| 181 | return false; |
| 182 | |
| 183 | } |
| 184 | }; |
| 185 | return handler; |
| 186 | } |
| 187 | |
| 188 | /** |
| 189 | * |
| 190 | * @return |
| 191 | */ |
| 192 | final ILttngEventProcessor getIrqEntryHandler() { |
| 193 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 194 | |
| 195 | // @Override |
| 196 | @Override |
| 197 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 198 | // |
| 199 | // Long cpu = trcEvent.getCpuId(); |
| 200 | // |
| 201 | // Long irq = getAFieldLong(trcEvent, traceSt, |
| 202 | // Fields.LTT_FIELD_IRQ_ID); |
| 203 | // if (irq == null) { |
| 204 | // return true; |
| 205 | // } |
| 206 | // |
| 207 | // String submode; |
| 208 | // submode = traceSt.getIrq_names().get(irq); |
| 209 | // |
| 210 | // if (submode == null) { |
| 211 | // submode = |
| 212 | // ExecutionSubMode.LTTV_STATE_SUBMODE_UNKNOWN.getInName(); |
| 213 | // } |
| 214 | // |
| 215 | // /* |
| 216 | // * Do something with the info about being in user or system |
| 217 | // mode |
| 218 | // * when int? |
| 219 | // */ |
| 220 | // push_state(cpu, ExecutionMode.LTTV_STATE_IRQ, submode, |
| 221 | // trcEvent |
| 222 | // .getTimestamp(), traceSt); |
| 223 | // |
| 224 | // /* update cpu state */ |
| 225 | // LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); |
| 226 | // cpu_push_mode(cpust, CpuMode.LTTV_CPU_IRQ); /* mode stack */ |
| 227 | // cpust.setLast_irq(irq); /* last irq */ |
| 228 | // |
| 229 | // /* udpate irq state */ |
| 230 | // irq_push_mode(traceSt.getIrq_states().get(irq), |
| 231 | // IRQMode.LTTV_IRQ_BUSY); |
| 232 | return false; |
| 233 | |
| 234 | } |
| 235 | }; |
| 236 | return handler; |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * |
| 241 | * @return |
| 242 | */ |
| 243 | final ILttngEventProcessor getSoftIrqExitHandler() { |
| 244 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 245 | |
| 246 | // @Override |
| 247 | @Override |
| 248 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 249 | // |
| 250 | // Long cpu = trcEvent.getCpuId(); |
| 251 | // LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); |
| 252 | // Long softirq = cpust.getLast_soft_irq(); |
| 253 | // pop_state(cpu, ExecutionMode.LTTV_STATE_SOFT_IRQ, traceSt, |
| 254 | // trcEvent.getTimestamp()); |
| 255 | // |
| 256 | // /* update softirq status */ |
| 257 | // if (softirq != -1) { |
| 258 | // LttngSoftIRQState softIrqstate = traceSt |
| 259 | // .getSoft_irq_states().get(softirq); |
| 260 | // softIrqstate.decrementRunning(); |
| 261 | // } |
| 262 | // |
| 263 | // /* update cpu status */ |
| 264 | // cpu_pop_mode(cpust); |
| 265 | |
| 266 | return false; |
| 267 | } |
| 268 | }; |
| 269 | return handler; |
| 270 | } |
| 271 | |
| 272 | /** |
| 273 | * |
| 274 | * @return |
| 275 | */ |
| 276 | final ILttngEventProcessor getIrqExitHandler() { |
| 277 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 278 | |
| 279 | // @Override |
| 280 | @Override |
| 281 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 282 | // |
| 283 | // Long cpu = trcEvent.getCpuId(); |
| 284 | // |
| 285 | // /* update process state */ |
| 286 | // pop_state(cpu, ExecutionMode.LTTV_STATE_IRQ, traceSt, |
| 287 | // trcEvent |
| 288 | // .getTimestamp()); |
| 289 | // |
| 290 | // /* update cpu status */ |
| 291 | // LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); |
| 292 | // cpu_pop_mode(cpust); |
| 293 | // |
| 294 | // /* update irq status */ |
| 295 | // Long last_irq = cpust.getLast_irq(); |
| 296 | // if (last_irq != -1L) { |
| 297 | // LttngIRQState irq_state = traceSt.getIrq_states().get( |
| 298 | // last_irq); |
| 299 | // irq_pop_mode(irq_state); |
| 300 | // } |
| 301 | |
| 302 | return false; |
| 303 | |
| 304 | } |
| 305 | }; |
| 306 | return handler; |
| 307 | } |
| 308 | |
| 309 | /** |
| 310 | * |
| 311 | * @return |
| 312 | */ |
| 313 | final ILttngEventProcessor getSoftIrqRaiseHandler() { |
| 314 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 315 | |
| 316 | // @Override |
| 317 | @Override |
| 318 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 319 | // |
| 320 | // // Long cpu = trcEvent.getCpuId(); |
| 321 | // |
| 322 | // // get event field |
| 323 | // Long softirq = getAFieldLong(trcEvent, traceSt, |
| 324 | // Fields.LTT_FIELD_SOFT_IRQ_ID); |
| 325 | // |
| 326 | // if (softirq == null) { |
| 327 | // return true; |
| 328 | // } |
| 329 | // |
| 330 | // // String submode; |
| 331 | // // String[] softIrqNames = traceSt.getSoft_irq_names(); |
| 332 | // // if (softirq < softIrqNames.length) { |
| 333 | // // submode = softIrqNames[softirq]; |
| 334 | // // } else { |
| 335 | // // submode = "softirq " + softirq; |
| 336 | // // } |
| 337 | // |
| 338 | // /* update softirq status */ |
| 339 | // /* a soft irq raises are not cumulative */ |
| 340 | // LttngSoftIRQState irqState = |
| 341 | // traceSt.getSoft_irq_states().get( |
| 342 | // softirq); |
| 343 | // if (irqState != null) { |
| 344 | // irqState.setPending(1L); |
| 345 | // } else { |
| 346 | // TraceDebug |
| 347 | // .debug("unexpected soft irq id value: " + softirq); |
| 348 | // } |
| 349 | |
| 350 | return false; |
| 351 | |
| 352 | } |
| 353 | }; |
| 354 | return handler; |
| 355 | } |
| 356 | |
| 357 | /** |
| 358 | * |
| 359 | * @return |
| 360 | */ |
| 361 | final ILttngEventProcessor getSoftIrqEntryHandler() { |
| 362 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 363 | |
| 364 | // @Override |
| 365 | @Override |
| 366 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 367 | // |
| 368 | // // obtrain cpu |
| 369 | // Long cpu = trcEvent.getCpuId(); |
| 370 | // |
| 371 | // // get event field |
| 372 | // Long softirq = getAFieldLong(trcEvent, traceSt, |
| 373 | // Fields.LTT_FIELD_SOFT_IRQ_ID); |
| 374 | // |
| 375 | // if (softirq == null) { |
| 376 | // return true; |
| 377 | // } |
| 378 | // |
| 379 | // // obtain submode |
| 380 | // Map<Long, String> softIrqNames = traceSt.getSoft_irq_names(); |
| 381 | // String submode = softIrqNames.get(softirq); |
| 382 | // if (submode == null) { |
| 383 | // submode = "softirq " + softirq; |
| 384 | // softIrqNames.put(softirq, submode); |
| 385 | // } |
| 386 | // |
| 387 | // /* update softirq status */ |
| 388 | // LttngSoftIRQState irqState = |
| 389 | // traceSt.getSoft_irq_states().get( |
| 390 | // softirq); |
| 391 | // if (irqState != null) { |
| 392 | // irqState.decrementPending(); |
| 393 | // irqState.incrementRunning(); |
| 394 | // } else { |
| 395 | // TraceDebug |
| 396 | // .debug("unexpected soft irq id value: " + softirq); |
| 397 | // } |
| 398 | // |
| 399 | // /* update cpu state */ |
| 400 | // LTTngCPUState cpu_state = traceSt.getCpu_states().get(cpu); |
| 401 | // cpu_state.setLast_soft_irq(softirq); |
| 402 | // cpu_push_mode(cpu_state, CpuMode.LTTV_CPU_SOFT_IRQ); |
| 403 | // |
| 404 | // /* update process execution mode state stack */ |
| 405 | // push_state(cpu, ExecutionMode.LTTV_STATE_SOFT_IRQ, submode, |
| 406 | // trcEvent.getTimestamp(), traceSt); |
| 407 | |
| 408 | return false; |
| 409 | |
| 410 | } |
| 411 | }; |
| 412 | return handler; |
| 413 | } |
| 414 | |
| 415 | /** |
| 416 | * Method to handle the event: LTT_EVENT_LIST_INTERRRUPT |
| 417 | * |
| 418 | * @return |
| 419 | */ |
| 420 | final ILttngEventProcessor getEnumInterruptHandler() { |
| 421 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 422 | |
| 423 | // @Override |
| 424 | @Override |
| 425 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 426 | // String action = getAFieldString(trcEvent, traceSt, |
| 427 | // Fields.LTT_FIELD_ACTION); |
| 428 | // Long irq = getAFieldLong(trcEvent, traceSt, |
| 429 | // Fields.LTT_FIELD_IRQ_ID); |
| 430 | // |
| 431 | // Map<Long, String> irq_names = traceSt.getIrq_names(); |
| 432 | // |
| 433 | // irq_names.put(irq, action); |
| 434 | return false; |
| 435 | |
| 436 | } |
| 437 | }; |
| 438 | return handler; |
| 439 | } |
| 440 | |
| 441 | /** |
| 442 | * Handle the event LTT_EVENT_REQUEST_ISSUE |
| 443 | * |
| 444 | * @return |
| 445 | */ |
| 446 | final ILttngEventProcessor getBdevRequestIssueHandler() { |
| 447 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 448 | |
| 449 | // @Override |
| 450 | @Override |
| 451 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 452 | // |
| 453 | // // Get Fields |
| 454 | // Long major = getAFieldLong(trcEvent, traceSt, |
| 455 | // Fields.LTT_FIELD_MAJOR); |
| 456 | // Long minor = getAFieldLong(trcEvent, traceSt, |
| 457 | // Fields.LTT_FIELD_MINOR); |
| 458 | // Long operation = getAFieldLong(trcEvent, traceSt, |
| 459 | // Fields.LTT_FIELD_OPERATION); |
| 460 | // |
| 461 | // // calculate bdevcode |
| 462 | // Long devcode = mkdev(major, minor); |
| 463 | // |
| 464 | // if (devcode == null) { |
| 465 | // TraceDebug |
| 466 | // .debug("incorrect calcualtion of bdevcode input( major: " |
| 467 | // + major |
| 468 | // + " minor: " |
| 469 | // + minor |
| 470 | // + " operation: " + operation); |
| 471 | // return true; |
| 472 | // } |
| 473 | // |
| 474 | // Map<Long, LttngBdevState> bdev_states = traceSt |
| 475 | // .getBdev_states(); |
| 476 | // // Get the instance |
| 477 | // LttngBdevState bdevState = bdev_states.get(devcode); |
| 478 | // if (bdevState == null) { |
| 479 | // bdevState = new LttngBdevState(); |
| 480 | // } |
| 481 | // |
| 482 | // // update the mode in the stack |
| 483 | // if (operation == 0L) { |
| 484 | // bdevState.getMode_stack().push( |
| 485 | // BdevMode.LTTV_BDEV_BUSY_READING); |
| 486 | // } else { |
| 487 | // bdevState.getMode_stack().push( |
| 488 | // BdevMode.LTTV_BDEV_BUSY_WRITING); |
| 489 | // } |
| 490 | // |
| 491 | // // make sure it is included in the set |
| 492 | // bdev_states.put(devcode, bdevState); |
| 493 | return false; |
| 494 | |
| 495 | } |
| 496 | }; |
| 497 | return handler; |
| 498 | } |
| 499 | |
| 500 | /** |
| 501 | * <p> |
| 502 | * Handling event: LTT_EVENT_REQUEST_COMPLETE |
| 503 | * </p> |
| 504 | * <p> |
| 505 | * FIELDS(LTT_FIELD_MAJOR, LTT_FIELD_MINOR, LTT_FIELD_OPERATION |
| 506 | * </p> |
| 507 | * |
| 508 | * @return |
| 509 | */ |
| 510 | final ILttngEventProcessor getBdevRequestCompleteHandler() { |
| 511 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 512 | |
| 513 | // @Override |
| 514 | @Override |
| 515 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 516 | // |
| 517 | // // Get Fields |
| 518 | // Long major = getAFieldLong(trcEvent, traceSt, |
| 519 | // Fields.LTT_FIELD_MAJOR); |
| 520 | // Long minor = getAFieldLong(trcEvent, traceSt, |
| 521 | // Fields.LTT_FIELD_MINOR); |
| 522 | // Long operation = getAFieldLong(trcEvent, traceSt, |
| 523 | // Fields.LTT_FIELD_OPERATION); |
| 524 | // |
| 525 | // // calculate bdevcode |
| 526 | // Long devcode = mkdev(major, minor); |
| 527 | // |
| 528 | // if (devcode == null) { |
| 529 | // TraceDebug |
| 530 | // .debug("incorrect calcualtion of bdevcode input( major: " |
| 531 | // + major |
| 532 | // + " minor: " |
| 533 | // + minor |
| 534 | // + " operation: " + operation); |
| 535 | // return true; |
| 536 | // } |
| 537 | // |
| 538 | // Map<Long, LttngBdevState> bdev_states = traceSt |
| 539 | // .getBdev_states(); |
| 540 | // // Get the instance |
| 541 | // LttngBdevState bdevState = bdev_states.get(devcode); |
| 542 | // if (bdevState == null) { |
| 543 | // bdevState = new LttngBdevState(); |
| 544 | // } |
| 545 | // |
| 546 | // /* update block device */ |
| 547 | // bdev_pop_mode(bdevState); |
| 548 | |
| 549 | return false; |
| 550 | |
| 551 | } |
| 552 | }; |
| 553 | return handler; |
| 554 | } |
| 555 | |
| 556 | /** |
| 557 | * <p> |
| 558 | * Handles event: LTT_EVENT_FUNCTION_ENTRY |
| 559 | * </p> |
| 560 | * <p> |
| 561 | * FIELDS: LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE |
| 562 | * </p> |
| 563 | * |
| 564 | * @return |
| 565 | */ |
| 566 | final ILttngEventProcessor getFunctionEntryHandler() { |
| 567 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 568 | |
| 569 | // @Override |
| 570 | @Override |
| 571 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 572 | // Long cpu = trcEvent.getCpuId(); |
| 573 | // Long funcptr = getAFieldLong(trcEvent, traceSt, |
| 574 | // Fields.LTT_FIELD_THIS_FN); |
| 575 | // |
| 576 | // push_function(traceSt, funcptr, cpu); |
| 577 | return false; |
| 578 | |
| 579 | } |
| 580 | }; |
| 581 | return handler; |
| 582 | } |
| 583 | |
| 584 | /** |
| 585 | * |
| 586 | * @return |
| 587 | */ |
| 588 | final ILttngEventProcessor getFunctionExitHandler() { |
| 589 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 590 | |
| 591 | // @Override |
| 592 | @Override |
| 593 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 594 | // |
| 595 | // Long funcptr = getAFieldLong(trcEvent, traceSt, |
| 596 | // Fields.LTT_FIELD_THIS_FN); |
| 597 | // |
| 598 | // pop_function(traceSt, trcEvent, funcptr); |
| 599 | return false; |
| 600 | |
| 601 | } |
| 602 | }; |
| 603 | return handler; |
| 604 | } |
| 605 | |
| 606 | /** |
| 607 | * <p> |
| 608 | * process event: LTT_EVENT_SYS_CALL_TABLE |
| 609 | * </p> |
| 610 | * <p> |
| 611 | * fields: LTT_FIELD_ID, LTT_FIELD_ADDRESS, LTT_FIELD_SYMBOL |
| 612 | * </p> |
| 613 | * |
| 614 | * @return |
| 615 | */ |
| 616 | final ILttngEventProcessor getDumpSyscallHandler() { |
| 617 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 618 | |
| 619 | // @Override |
| 620 | @Override |
| 621 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 622 | // // obtain the syscall id |
| 623 | // Long id = getAFieldLong(trcEvent, traceSt, |
| 624 | // Fields.LTT_FIELD_ID); |
| 625 | // |
| 626 | // // Long address = getAFieldLong(trcEvent, traceSt, |
| 627 | // // Fields.LTT_FIELD_ADDRESS); |
| 628 | // |
| 629 | // // Obtain the symbol |
| 630 | // String symbol = getAFieldString(trcEvent, traceSt, |
| 631 | // Fields.LTT_FIELD_SYMBOL); |
| 632 | // |
| 633 | // // fill the symbol to the sycall_names collection |
| 634 | // traceSt.getSyscall_names().put(id, symbol); |
| 635 | |
| 636 | return false; |
| 637 | } |
| 638 | }; |
| 639 | return handler; |
| 640 | } |
| 641 | |
| 642 | /** |
| 643 | * <p> |
| 644 | * Handles event: LTT_EVENT_KPROBE_TABLE |
| 645 | * </p> |
| 646 | * <p> |
| 647 | * Fields: LTT_FIELD_IP, LTT_FIELD_SYMBOL |
| 648 | * </p> |
| 649 | * |
| 650 | * @return |
| 651 | */ |
| 652 | final ILttngEventProcessor getDumpKprobeHandler() { |
| 653 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 654 | |
| 655 | // @Override |
| 656 | @Override |
| 657 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 658 | // |
| 659 | // Long ip = getAFieldLong(trcEvent, traceSt, |
| 660 | // Fields.LTT_FIELD_IP); |
| 661 | // String symbol = getAFieldString(trcEvent, traceSt, |
| 662 | // Fields.LTT_FIELD_SYMBOL); |
| 663 | // |
| 664 | // traceSt.getKprobe_table().put(ip, symbol); |
| 665 | |
| 666 | return false; |
| 667 | |
| 668 | } |
| 669 | }; |
| 670 | return handler; |
| 671 | } |
| 672 | |
| 673 | /** |
| 674 | * <p> |
| 675 | * Handles: LTT_EVENT_SOFTIRQ_VEC |
| 676 | * </p> |
| 677 | * <p> |
| 678 | * Fields: LTT_FIELD_ID, LTT_FIELD_ADDRESS, LTT_FIELD_SYMBOL |
| 679 | * </p> |
| 680 | * |
| 681 | * @return |
| 682 | */ |
| 683 | final ILttngEventProcessor getDumpSoftIrqHandler() { |
| 684 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 685 | |
| 686 | // @Override |
| 687 | @Override |
| 688 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 689 | // |
| 690 | // // Get id |
| 691 | // Long id = getAFieldLong(trcEvent, traceSt, |
| 692 | // Fields.LTT_FIELD_ID); |
| 693 | // |
| 694 | // // Address not needed |
| 695 | // // Long address = ltt_event_get_long_unsigned(e, |
| 696 | // // lttv_trace_get_hook_field(th, |
| 697 | // // 1)); |
| 698 | // |
| 699 | // // Get symbol |
| 700 | // String symbol = getAFieldString(trcEvent, traceSt, |
| 701 | // Fields.LTT_FIELD_SYMBOL); |
| 702 | // |
| 703 | // // Register the soft irq name |
| 704 | // traceSt.getSoft_irq_names().put(id, symbol); |
| 705 | return false; |
| 706 | |
| 707 | } |
| 708 | }; |
| 709 | return handler; |
| 710 | } |
| 711 | |
| 712 | /** |
| 713 | * <p> |
| 714 | * Handles: LTT_EVENT_SCHED_SCHEDULE |
| 715 | * </p> |
| 716 | * <p> |
| 717 | * Fields: LTT_FIELD_PREV_PID, LTT_FIELD_NEXT_PID, LTT_FIELD_PREV_STATE |
| 718 | * </p> |
| 719 | * |
| 720 | * @return |
| 721 | */ |
| 722 | final ILttngEventProcessor getSchedChangeHandler() { |
| 723 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 724 | |
| 725 | // @Override |
| 726 | @Override |
| 727 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 728 | // |
| 729 | // Long cpu = trcEvent.getCpuId(); |
| 730 | // TmfTimestamp eventTime = trcEvent.getTimestamp(); |
| 731 | // |
| 732 | // LttngProcessState process = traceSt.getRunning_process().get( |
| 733 | // cpu); |
| 734 | // |
| 735 | // Long pid_out = getAFieldLong(trcEvent, traceSt, |
| 736 | // Fields.LTT_FIELD_PREV_PID); |
| 737 | // Long pid_in = getAFieldLong(trcEvent, traceSt, |
| 738 | // Fields.LTT_FIELD_NEXT_PID); |
| 739 | // Long state_out = getAFieldLong(trcEvent, traceSt, |
| 740 | // Fields.LTT_FIELD_PREV_STATE); |
| 741 | // |
| 742 | // if (process != null) { |
| 743 | // |
| 744 | // /* |
| 745 | // * We could not know but it was not the idle process |
| 746 | // * executing. This should only happen at the beginning, |
| 747 | // * before the first schedule event, and when the initial |
| 748 | // * information (current process for each CPU) is missing. It |
| 749 | // * is not obvious how we could, after the fact, compensate |
| 750 | // * the wrongly attributed statistics. |
| 751 | // */ |
| 752 | // |
| 753 | // // This test only makes sense once the state is known and if |
| 754 | // // there |
| 755 | // // is no |
| 756 | // // missing events. We need to silently ignore schedchange |
| 757 | // // coming |
| 758 | // // after a |
| 759 | // // process_free, or it causes glitches. (FIXME) |
| 760 | // // if(unlikely(process->pid != pid_out)) { |
| 761 | // // g_assert(process->pid == 0); |
| 762 | // // } |
| 763 | // if (process.getPid() == 0 |
| 764 | // && process.getState().getExec_mode() == |
| 765 | // ExecutionMode.LTTV_STATE_MODE_UNKNOWN) { |
| 766 | // if (pid_out == 0) { |
| 767 | // /* |
| 768 | // * Scheduling out of pid 0 at beginning of the trace |
| 769 | // * : we know for sure it is in syscall mode at this |
| 770 | // * point. |
| 771 | // */ |
| 772 | // int stackSize = process.getExecution_stack().size(); |
| 773 | // if (stackSize != 1) { |
| 774 | // TraceDebug |
| 775 | // .debug("unpexpected process execution stack size, expected 1, received: "); |
| 776 | // } |
| 777 | // |
| 778 | // process.getState().setExec_mode( |
| 779 | // ExecutionMode.LTTV_STATE_SYSCALL); |
| 780 | // process.getState().setProc_status( |
| 781 | // ProcessStatus.LTTV_STATE_WAIT); |
| 782 | // process.getState().setChage_Time( |
| 783 | // trcEvent.getTimestamp()); |
| 784 | // process.getState().setEntry_Time( |
| 785 | // trcEvent.getTimestamp()); |
| 786 | // } |
| 787 | // } else { |
| 788 | // if (process.getState().getProc_status() == |
| 789 | // ProcessStatus.LTTV_STATE_EXIT) { |
| 790 | // process.getState().setProc_status( |
| 791 | // ProcessStatus.LTTV_STATE_ZOMBIE); |
| 792 | // process.getState().setChage_Time( |
| 793 | // trcEvent.getTimestamp()); |
| 794 | // } else { |
| 795 | // if (state_out == 0L) { |
| 796 | // process.getState().setProc_status( |
| 797 | // ProcessStatus.LTTV_STATE_WAIT_CPU); |
| 798 | // } else { |
| 799 | // process.getState().setProc_status( |
| 800 | // ProcessStatus.LTTV_STATE_WAIT); |
| 801 | // } |
| 802 | // |
| 803 | // process.getState().setChage_Time( |
| 804 | // trcEvent.getTimestamp()); |
| 805 | // } |
| 806 | // |
| 807 | // if (state_out == 32L || state_out == 64L) { /* |
| 808 | // * EXIT_DEAD |
| 809 | // * || |
| 810 | // * TASK_DEAD |
| 811 | // */ |
| 812 | // /* see sched.h for states */ |
| 813 | // if (!exit_process(traceSt, process)) { |
| 814 | // process.getState().setProc_status( |
| 815 | // ProcessStatus.LTTV_STATE_DEAD); |
| 816 | // process.getState().setChage_Time( |
| 817 | // trcEvent.getTimestamp()); |
| 818 | // } |
| 819 | // } |
| 820 | // } |
| 821 | // } |
| 822 | // process = lttv_state_find_process_or_create(traceSt, cpu, |
| 823 | // pid_in, eventTime); |
| 824 | // |
| 825 | // traceSt.getRunning_process().put(cpu, process); |
| 826 | // |
| 827 | // process.getState().setProc_status(ProcessStatus.LTTV_STATE_RUN); |
| 828 | // process.getState().setChage_Time(eventTime); |
| 829 | // process.setCpu(cpu); |
| 830 | // // process->state->s = LTTV_STATE_RUN; |
| 831 | // // if(process->usertrace) |
| 832 | // // process->usertrace->cpu = cpu; |
| 833 | // // process->last_cpu_index = |
| 834 | // // ltt_tracefile_num(((LttvTracefileContext*)s)->tf); |
| 835 | // |
| 836 | // // process->state->change = s->parent.timestamp; |
| 837 | // |
| 838 | // LTTngCPUState cpu_state = traceSt.getCpu_states().get(cpu); |
| 839 | // /* update cpu status */ |
| 840 | // if (pid_in == 0) { |
| 841 | // |
| 842 | // /* going to idle task */ |
| 843 | // cpu_set_base_mode(cpu_state, CpuMode.LTTV_CPU_IDLE); |
| 844 | // } else { |
| 845 | // /* |
| 846 | // * scheduling a real task. we must be careful here: if we |
| 847 | // * just schedule()'ed to a process that is in a trap, we |
| 848 | // * must put the cpu in trap mode |
| 849 | // */ |
| 850 | // cpu_set_base_mode(cpu_state, CpuMode.LTTV_CPU_BUSY); |
| 851 | // if (process.getState().getExec_mode() == |
| 852 | // ExecutionMode.LTTV_STATE_TRAP) { |
| 853 | // cpu_push_mode(cpu_state, CpuMode.LTTV_CPU_TRAP); |
| 854 | // } |
| 855 | // } |
| 856 | return false; |
| 857 | |
| 858 | } |
| 859 | }; |
| 860 | return handler; |
| 861 | } |
| 862 | |
| 863 | /** |
| 864 | * <p> |
| 865 | * Handles: LTT_EVENT_PROCESS_FORK |
| 866 | * </p> |
| 867 | * <p> |
| 868 | * Fields: FIELD_ARRAY(LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID, |
| 869 | * LTT_FIELD_CHILD_TGID) |
| 870 | * </p> |
| 871 | * |
| 872 | * @return |
| 873 | */ |
| 874 | final ILttngEventProcessor getProcessForkHandler() { |
| 875 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 876 | |
| 877 | // @Override |
| 878 | @Override |
| 879 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 880 | // |
| 881 | // Long cpu = trcEvent.getCpuId(); |
| 882 | // LttngProcessState process = traceSt.getRunning_process().get( |
| 883 | // cpu); |
| 884 | // TmfTimestamp timeStamp = trcEvent.getTimestamp(); |
| 885 | // |
| 886 | // // /* Parent PID */ |
| 887 | // // Long parent_pid = getAFieldLong(trcEvent, traceSt, |
| 888 | // // Fields.LTT_FIELD_PARENT_PID); |
| 889 | // |
| 890 | // /* Child PID */ |
| 891 | // /* In the Linux Kernel, there is one PID per thread. */ |
| 892 | // Long child_pid = getAFieldLong(trcEvent, traceSt, |
| 893 | // Fields.LTT_FIELD_CHILD_PID); |
| 894 | // |
| 895 | // /* Child TGID */ |
| 896 | // /* tgid in the Linux kernel is the "real" POSIX PID. */ |
| 897 | // Long child_tgid = getAFieldLong(trcEvent, traceSt, |
| 898 | // Fields.LTT_FIELD_CHILD_TGID); |
| 899 | // if (child_tgid == null) { |
| 900 | // child_tgid = 0L; |
| 901 | // } |
| 902 | // |
| 903 | // /* |
| 904 | // * Mathieu : it seems like the process might have been |
| 905 | // scheduled |
| 906 | // * in before the fork, and, in a rare case, might be the |
| 907 | // current |
| 908 | // * process. This might happen in a SMP case where we don't |
| 909 | // have |
| 910 | // * enough precision on the clocks. |
| 911 | // * |
| 912 | // * Test reenabled after precision fixes on time. (Mathieu) |
| 913 | // */ |
| 914 | // // #if 0 |
| 915 | // // zombie_process = lttv_state_find_process(ts, ANY_CPU, |
| 916 | // // child_pid); |
| 917 | // // |
| 918 | // // if(unlikely(zombie_process != NULL)) { |
| 919 | // // /* Reutilisation of PID. Only now we are sure that the old |
| 920 | // // PID |
| 921 | // // * has been released. FIXME : should know when release_task |
| 922 | // // happens |
| 923 | // // instead. |
| 924 | // // */ |
| 925 | // // guint num_cpus = ltt_trace_get_num_cpu(ts->parent.t); |
| 926 | // // guint i; |
| 927 | // // for(i=0; i< num_cpus; i++) { |
| 928 | // // g_assert(zombie_process != ts->running_process[i]); |
| 929 | // // } |
| 930 | // // |
| 931 | // // exit_process(s, zombie_process); |
| 932 | // // } |
| 933 | // // #endif //0 |
| 934 | // |
| 935 | // if (process.getPid() == child_pid) { |
| 936 | // TraceDebug |
| 937 | // .debug("Unexpected, process pid equal to child pid: " |
| 938 | // + child_pid |
| 939 | // + " Event Time: " |
| 940 | // + trcEvent.getTimestamp()); |
| 941 | // } |
| 942 | // |
| 943 | // // g_assert(process->pid != child_pid); |
| 944 | // // FIXME : Add this test in the "known state" section |
| 945 | // // g_assert(process->pid == parent_pid); |
| 946 | // LttngProcessState child_process = lttv_state_find_process( |
| 947 | // traceSt, ANY_CPU, child_pid); |
| 948 | // if (child_process == null) { |
| 949 | // child_process = create_process(traceSt, cpu, child_pid, |
| 950 | // child_tgid, timeStamp); |
| 951 | // } else { |
| 952 | // /* |
| 953 | // * The process has already been created : due to time |
| 954 | // * imprecision between multiple CPUs : it has been scheduled |
| 955 | // * in before creation. Note that we shouldn't have this kind |
| 956 | // * of imprecision. |
| 957 | // * |
| 958 | // * Simply put a correct parent. |
| 959 | // */ |
| 960 | // StringBuilder sb = new StringBuilder("Process " + child_pid); |
| 961 | // sb.append(" has been created at [" |
| 962 | // + child_process.getCration_time() + "] "); |
| 963 | // sb.append("and inserted at [" |
| 964 | // + child_process.getInsertion_time() + "] "); |
| 965 | // sb.append("before \nfork on cpu " + cpu + " Event time: [" |
| 966 | // + trcEvent + "]\n."); |
| 967 | // sb |
| 968 | // .append("Probably an unsynchronized TSD problem on the traced machine."); |
| 969 | // TraceDebug.debug(sb.toString()); |
| 970 | // |
| 971 | // // g_assert(0); /* This is a problematic case : the process |
| 972 | // // has |
| 973 | // // beencreated |
| 974 | // // before the fork event */ |
| 975 | // child_process.setPpid(process.getPid()); |
| 976 | // child_process.setTgid(child_tgid); |
| 977 | // } |
| 978 | // |
| 979 | // if (!child_process.getName().equals( |
| 980 | // ProcessStatus.LTTV_STATE_UNNAMED.getInName())) { |
| 981 | // TraceDebug.debug("Unexpected child process status: " |
| 982 | // + child_process.getName()); |
| 983 | // } |
| 984 | // |
| 985 | // child_process.setName(process.getName()); |
| 986 | // child_process.setBrand(process.getBrand()); |
| 987 | |
| 988 | return false; |
| 989 | |
| 990 | } |
| 991 | }; |
| 992 | return handler; |
| 993 | } |
| 994 | |
| 995 | /** |
| 996 | * <p> |
| 997 | * Handles: LTT_EVENT_KTHREAD_CREATE |
| 998 | * </p> |
| 999 | * <p> |
| 1000 | * Fields: LTT_FIELD_PID |
| 1001 | * </p> |
| 1002 | * |
| 1003 | * @return |
| 1004 | */ |
| 1005 | final ILttngEventProcessor getProcessKernelThreadHandler() { |
| 1006 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 1007 | |
| 1008 | // @Override |
| 1009 | @Override |
| 1010 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 1011 | // /* |
| 1012 | // * We stamp a newly created process as kernel_thread. The |
| 1013 | // thread |
| 1014 | // * should not be running yet. |
| 1015 | // */ |
| 1016 | // |
| 1017 | // LttngExecutionState exState; |
| 1018 | // Long pid; |
| 1019 | // LttngProcessState process; |
| 1020 | // |
| 1021 | // /* PID */ |
| 1022 | // pid = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_PID); |
| 1023 | // // s->parent.target_pid = pid; |
| 1024 | // |
| 1025 | // process = lttv_state_find_process_or_create(traceSt, ANY_CPU, |
| 1026 | // pid, new TmfTimestamp()); |
| 1027 | // |
| 1028 | // if (!process.getState().getProc_status().equals( |
| 1029 | // ProcessStatus.LTTV_STATE_DEAD)) { |
| 1030 | // // Leave only the first element in the stack with execution |
| 1031 | // // mode to |
| 1032 | // // syscall |
| 1033 | // Stack<LttngExecutionState> processExStack = process |
| 1034 | // .getExecution_stack(); |
| 1035 | // exState = processExStack.firstElement(); |
| 1036 | // exState.setExec_mode(ExecutionMode.LTTV_STATE_SYSCALL); |
| 1037 | // if (processExStack.size() > 1) { |
| 1038 | // processExStack.clear(); |
| 1039 | // processExStack.add(exState); |
| 1040 | // } |
| 1041 | // |
| 1042 | // // update the process state to the only one in the stack |
| 1043 | // process.setState(exState); |
| 1044 | // } |
| 1045 | // |
| 1046 | // process.setType(ProcessType.LTTV_STATE_KERNEL_THREAD); |
| 1047 | |
| 1048 | return false; |
| 1049 | |
| 1050 | } |
| 1051 | }; |
| 1052 | return handler; |
| 1053 | } |
| 1054 | |
| 1055 | /** |
| 1056 | * <p> |
| 1057 | * Handles: LTT_EVENT_PROCESS_EXIT |
| 1058 | * </p> |
| 1059 | * <p> |
| 1060 | * LTT_FIELD_PID |
| 1061 | * </p> |
| 1062 | * |
| 1063 | * @return |
| 1064 | */ |
| 1065 | final ILttngEventProcessor getProcessExitHandler() { |
| 1066 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 1067 | |
| 1068 | // @Override |
| 1069 | @Override |
| 1070 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 1071 | // |
| 1072 | // Long pid; |
| 1073 | // LttngProcessState process; |
| 1074 | // |
| 1075 | // pid = getAFieldLong(trcEvent, traceSt, |
| 1076 | // Fields.LTT_FIELD_PID); |
| 1077 | // // s->parent.target_pid = pid; |
| 1078 | // |
| 1079 | // // FIXME : Add this test in the "known state" section |
| 1080 | // // g_assert(process->pid == pid); |
| 1081 | // |
| 1082 | // process = lttv_state_find_process(traceSt, ANY_CPU, pid); |
| 1083 | // if (process != null) { |
| 1084 | // process.getState().setProc_status( |
| 1085 | // ProcessStatus.LTTV_STATE_EXIT); |
| 1086 | // } |
| 1087 | return false; |
| 1088 | |
| 1089 | } |
| 1090 | }; |
| 1091 | return handler; |
| 1092 | } |
| 1093 | |
| 1094 | /** |
| 1095 | * <p> |
| 1096 | * Handles: LTT_EVENT_PROCESS_FREE |
| 1097 | * </p> |
| 1098 | * <p> |
| 1099 | * Fields: LTT_FIELD_PID |
| 1100 | * </p> |
| 1101 | * |
| 1102 | * @return |
| 1103 | */ |
| 1104 | final ILttngEventProcessor getProcessFreeHandler() { |
| 1105 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 1106 | |
| 1107 | // @Override |
| 1108 | @Override |
| 1109 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 1110 | // |
| 1111 | // Long release_pid; |
| 1112 | // LttngProcessState process; |
| 1113 | // |
| 1114 | // /* PID of the process to release */ |
| 1115 | // release_pid = getAFieldLong(trcEvent, traceSt, |
| 1116 | // Fields.LTT_FIELD_PID); |
| 1117 | // // s->parent.target_pid = release_pid; |
| 1118 | // |
| 1119 | // if (release_pid == 0) { |
| 1120 | // TraceDebug.debug("Unexpected release_pid: 0, Event time: " |
| 1121 | // + trcEvent.getTimestamp()); |
| 1122 | // } |
| 1123 | // |
| 1124 | // process = lttv_state_find_process(traceSt, ANY_CPU, |
| 1125 | // release_pid); |
| 1126 | // if (process != null) { |
| 1127 | // exit_process(traceSt, process); |
| 1128 | // } |
| 1129 | |
| 1130 | return false; |
| 1131 | // DISABLED |
| 1132 | // if(process != null) { |
| 1133 | /* |
| 1134 | * release_task is happening at kernel level : we can now safely |
| 1135 | * release the data structure of the process |
| 1136 | */ |
| 1137 | // This test is fun, though, as it may happen that |
| 1138 | // at time t : CPU 0 : process_free |
| 1139 | // at time t+150ns : CPU 1 : schedule out |
| 1140 | // Clearly due to time imprecision, we disable it. (Mathieu) |
| 1141 | // If this weird case happen, we have no choice but to put the |
| 1142 | // Currently running process on the cpu to 0. |
| 1143 | // I re-enable it following time precision fixes. (Mathieu) |
| 1144 | // Well, in the case where an process is freed by a process on |
| 1145 | // another |
| 1146 | // CPU |
| 1147 | // and still scheduled, it happens that this is the schedchange |
| 1148 | // that |
| 1149 | // will |
| 1150 | // drop the last reference count. Do not free it here! |
| 1151 | |
| 1152 | // int num_cpus = ltt_trace_get_num_cpu(ts->parent.t); |
| 1153 | // guint i; |
| 1154 | // for(i=0; i< num_cpus; i++) { |
| 1155 | // //g_assert(process != ts->running_process[i]); |
| 1156 | // if(process == ts->running_process[i]) { |
| 1157 | // //ts->running_process[i] = lttv_state_find_process(ts, i, 0); |
| 1158 | // break; |
| 1159 | // } |
| 1160 | // } |
| 1161 | // if(i == num_cpus) /* process is not scheduled */ |
| 1162 | // exit_process(s, process); |
| 1163 | // } |
| 1164 | // |
| 1165 | // return false; |
| 1166 | |
| 1167 | } |
| 1168 | }; |
| 1169 | return handler; |
| 1170 | } |
| 1171 | |
| 1172 | /** |
| 1173 | * <p> |
| 1174 | * Handles: LTT_EVENT_EXEC |
| 1175 | * </p> |
| 1176 | * <p> |
| 1177 | * FIELDS: LTT_FIELD_FILENAME |
| 1178 | * </p> |
| 1179 | * |
| 1180 | * @return |
| 1181 | */ |
| 1182 | final ILttngEventProcessor getProcessExecHandler() { |
| 1183 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 1184 | |
| 1185 | // @Override |
| 1186 | @Override |
| 1187 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 1188 | // |
| 1189 | // Long cpu = trcEvent.getCpuId(); |
| 1190 | // LttngProcessState process = traceSt.getRunning_process().get( |
| 1191 | // cpu); |
| 1192 | // |
| 1193 | // // #if 0//how to use a sequence that must be transformed in a |
| 1194 | // // string |
| 1195 | // // /* PID of the process to release */ |
| 1196 | // // guint64 name_len = ltt_event_field_element_number(e, |
| 1197 | // // lttv_trace_get_hook_field(th, 0)); |
| 1198 | // // //name = ltt_event_get_string(e, |
| 1199 | // // lttv_trace_get_hook_field(th, 0)); |
| 1200 | // // LttField *child = ltt_event_field_element_select(e, |
| 1201 | // // lttv_trace_get_hook_field(th, 0), 0); |
| 1202 | // // gchar *name_begin = |
| 1203 | // // (gchar*)(ltt_event_data(e)+ltt_event_field_offset(e, |
| 1204 | // child)); |
| 1205 | // // gchar *null_term_name = g_new(gchar, name_len+1); |
| 1206 | // // memcpy(null_term_name, name_begin, name_len); |
| 1207 | // // null_term_name[name_len] = '\0'; |
| 1208 | // // process->name = g_quark_from_string(null_term_name); |
| 1209 | // // #endif //0 |
| 1210 | // |
| 1211 | // process.setName(getAFieldString(trcEvent, traceSt, |
| 1212 | // Fields.LTT_FIELD_FILENAME)); |
| 1213 | // process.setBrand(StateStrings.LTTV_STATE_UNBRANDED); |
| 1214 | return false; |
| 1215 | |
| 1216 | } |
| 1217 | }; |
| 1218 | return handler; |
| 1219 | } |
| 1220 | |
| 1221 | /** |
| 1222 | * <p> |
| 1223 | * LTT_EVENT_THREAD_BRAND |
| 1224 | * </p> |
| 1225 | * <p> |
| 1226 | * FIELDS: LTT_FIELD_NAME |
| 1227 | * </p> |
| 1228 | * |
| 1229 | * @return |
| 1230 | */ |
| 1231 | final ILttngEventProcessor GetThreadBrandHandler() { |
| 1232 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 1233 | |
| 1234 | // @Override |
| 1235 | @Override |
| 1236 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 1237 | // |
| 1238 | // String name; |
| 1239 | // Long cpu = trcEvent.getCpuId(); |
| 1240 | // LttngProcessState process = traceSt.getRunning_process().get( |
| 1241 | // cpu); |
| 1242 | // |
| 1243 | // name = getAFieldString(trcEvent, traceSt, |
| 1244 | // Fields.LTT_FIELD_NAME); |
| 1245 | // process.setBrand(name); |
| 1246 | return false; |
| 1247 | |
| 1248 | } |
| 1249 | }; |
| 1250 | return handler; |
| 1251 | } |
| 1252 | |
| 1253 | /** |
| 1254 | * @return |
| 1255 | */ |
| 1256 | final ILttngEventProcessor getStateDumpEndHandler() { |
| 1257 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 1258 | |
| 1259 | // @Override |
| 1260 | @Override |
| 1261 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 1262 | // |
| 1263 | // /* For all processes */ |
| 1264 | // /* |
| 1265 | // * if kernel thread, if stack[0] is unknown, set to syscall |
| 1266 | // * mode, wait |
| 1267 | // */ |
| 1268 | // /* else, if stack[0] is unknown, set to user mode, running */ |
| 1269 | // List<LttngProcessState> processes = traceSt.getProcesses(); |
| 1270 | // TmfTimestamp time = trcEvent.getTimestamp(); |
| 1271 | // |
| 1272 | // for (LttngProcessState process : processes) { |
| 1273 | // fix_process(process, time); |
| 1274 | // } |
| 1275 | |
| 1276 | return false; |
| 1277 | |
| 1278 | } |
| 1279 | }; |
| 1280 | return handler; |
| 1281 | } |
| 1282 | |
| 1283 | /** |
| 1284 | * Private method used to establish the first execution state in the stack |
| 1285 | * for a given process |
| 1286 | * |
| 1287 | * @param process |
| 1288 | * @param timestamp |
| 1289 | */ |
| 1290 | // private void fix_process(LttngProcessState process, |
| 1291 | // TmfTimestamp timestamp) { |
| 1292 | // |
| 1293 | // LttngExecutionState es; |
| 1294 | // Stack<LttngExecutionState> procStack = process |
| 1295 | // .getExecution_stack(); |
| 1296 | // |
| 1297 | // if (process.getType() == ProcessType.LTTV_STATE_KERNEL_THREAD) { |
| 1298 | // es = procStack.firstElement(); |
| 1299 | // |
| 1300 | // if (es.getExec_mode() == ExecutionMode.LTTV_STATE_MODE_UNKNOWN) { |
| 1301 | // es.setExec_mode(ExecutionMode.LTTV_STATE_SYSCALL); |
| 1302 | // es |
| 1303 | // .setExec_submode(ExecutionSubMode.LTTV_STATE_SUBMODE_NONE |
| 1304 | // .getInName()); |
| 1305 | // es.setEntry_Time(timestamp); |
| 1306 | // es.setChage_Time(timestamp); |
| 1307 | // es.setCum_cpu_time(0L); |
| 1308 | // if (es.getProc_status() == ProcessStatus.LTTV_STATE_UNNAMED) { |
| 1309 | // es.setProc_status(ProcessStatus.LTTV_STATE_WAIT); |
| 1310 | // } |
| 1311 | // } |
| 1312 | // } else { |
| 1313 | // es = procStack.firstElement(); |
| 1314 | // if (es.getExec_mode() == ExecutionMode.LTTV_STATE_MODE_UNKNOWN) { |
| 1315 | // es.setExec_mode(ExecutionMode.LTTV_STATE_USER_MODE); |
| 1316 | // es |
| 1317 | // .setExec_submode(ExecutionSubMode.LTTV_STATE_SUBMODE_NONE |
| 1318 | // .getInName()); |
| 1319 | // es.setEntry_Time(timestamp); |
| 1320 | // es.setChage_Time(timestamp); |
| 1321 | // es.setCum_cpu_time(0L); |
| 1322 | // if (es.getProc_status() == ProcessStatus.LTTV_STATE_UNNAMED) { |
| 1323 | // es.setProc_status(ProcessStatus.LTTV_STATE_RUN); |
| 1324 | // } |
| 1325 | // |
| 1326 | // if (procStack.size() == 1) { |
| 1327 | // /* |
| 1328 | // * Still in bottom unknown mode, means never did a |
| 1329 | // * system call May be either in user mode, syscall |
| 1330 | // * mode, running or waiting. |
| 1331 | // */ |
| 1332 | // /* |
| 1333 | // * FIXME : we may be tagging syscall mode when being |
| 1334 | // * user mode |
| 1335 | // */ |
| 1336 | // // Get a new execution State |
| 1337 | // es = new LttngExecutionState(); |
| 1338 | // |
| 1339 | // // initialize values |
| 1340 | // es.setExec_mode(ExecutionMode.LTTV_STATE_SYSCALL); |
| 1341 | // es |
| 1342 | // .setExec_submode(ExecutionSubMode.LTTV_STATE_SUBMODE_NONE |
| 1343 | // .getInName()); |
| 1344 | // es.setEntry_Time(timestamp); |
| 1345 | // es.setChage_Time(timestamp); |
| 1346 | // es.setCum_cpu_time(0L); |
| 1347 | // es.setProc_status(ProcessStatus.LTTV_STATE_UNNAMED); |
| 1348 | // |
| 1349 | // // Push the new state to the stack |
| 1350 | // procStack.push(es); |
| 1351 | // } |
| 1352 | // } |
| 1353 | // } |
| 1354 | // } |
| 1355 | // }; |
| 1356 | // return handler; |
| 1357 | // } |
| 1358 | |
| 1359 | /** |
| 1360 | * <p> |
| 1361 | * Handles: LTT_EVENT_PROCESS_STATE |
| 1362 | * </p> |
| 1363 | * <p> |
| 1364 | * FIELDS: LTT_FIELD_PID, LTT_FIELD_PARENT_PID, LTT_FIELD_NAME, |
| 1365 | * LTT_FIELD_TYPE, LTT_FIELD_MODE, LTT_FIELD_SUBMODE, LTT_FIELD_STATUS, |
| 1366 | * LTT_FIELD_TGID |
| 1367 | * </p> |
| 1368 | * |
| 1369 | * @return |
| 1370 | */ |
| 1371 | final ILttngEventProcessor getEnumProcessStateHandler() { |
| 1372 | AbsStateUpdate handler = new AbsStateUpdate() { |
| 1373 | |
| 1374 | // @Override |
| 1375 | @Override |
| 1376 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 1377 | // |
| 1378 | // Long parent_pid; |
| 1379 | // Long pid; |
| 1380 | // Long tgid; |
| 1381 | // String command; |
| 1382 | // Long cpu = trcEvent.getCpuId(); |
| 1383 | // LttngProcessState process = traceSt.getRunning_process().get( |
| 1384 | // cpu); |
| 1385 | // LttngProcessState parent_process; |
| 1386 | // String type; |
| 1387 | // // String mode, submode, status; |
| 1388 | // LttngExecutionState es; |
| 1389 | // |
| 1390 | // /* PID */ |
| 1391 | // pid = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_PID); |
| 1392 | // |
| 1393 | // /* Parent PID */ |
| 1394 | // parent_pid = getAFieldLong(trcEvent, traceSt, |
| 1395 | // Fields.LTT_FIELD_PARENT_PID); |
| 1396 | // |
| 1397 | // /* Command name */ |
| 1398 | // command = getAFieldString(trcEvent, traceSt, |
| 1399 | // Fields.LTT_FIELD_NAME); |
| 1400 | // |
| 1401 | // /* TODO: type field, Values need to be verified */ |
| 1402 | // /* type */ |
| 1403 | // Long typeVal = getAFieldLong(trcEvent, traceSt, |
| 1404 | // Fields.LTT_FIELD_TYPE); |
| 1405 | // if (typeVal == 0L) { |
| 1406 | // type = ProcessType.LTTV_STATE_KERNEL_THREAD.getInName(); |
| 1407 | // } else { |
| 1408 | // type = ProcessType.LTTV_STATE_USER_THREAD.getInName(); |
| 1409 | // } |
| 1410 | // |
| 1411 | // // FIXME: type is rarely used, enum must match possible |
| 1412 | // types. |
| 1413 | // |
| 1414 | // // /* mode */ |
| 1415 | // // mode = getAFieldString(trcEvent, traceSt, |
| 1416 | // // Fields.LTT_FIELD_MODE); |
| 1417 | // // |
| 1418 | // // /* submode */ |
| 1419 | // // submode = getAFieldString(trcEvent, traceSt, |
| 1420 | // // Fields.LTT_FIELD_SUBMODE); |
| 1421 | // // |
| 1422 | // // /* status */ |
| 1423 | // // status = getAFieldString(trcEvent, traceSt, |
| 1424 | // // Fields.LTT_FIELD_STATUS); |
| 1425 | // |
| 1426 | // /* TGID */ |
| 1427 | // tgid = getAFieldLong(trcEvent, traceSt, |
| 1428 | // Fields.LTT_FIELD_TGID); |
| 1429 | // if (tgid == null) { |
| 1430 | // tgid = 0L; |
| 1431 | // } |
| 1432 | // |
| 1433 | // if (pid == 0) { |
| 1434 | // for (Long acpu : traceSt.getCpu_states().keySet()) { |
| 1435 | // process = lttv_state_find_process(traceSt, acpu, pid); |
| 1436 | // if (process != null) { |
| 1437 | // process.setPpid(parent_pid); |
| 1438 | // process.setTgid(tgid); |
| 1439 | // process.setName(command); |
| 1440 | // process |
| 1441 | // .setType(ProcessType.LTTV_STATE_KERNEL_THREAD); |
| 1442 | // } else { |
| 1443 | // StringBuilder sb = new StringBuilder( |
| 1444 | // "Unexpected, null process read from the TraceState list of processes, event time: " |
| 1445 | // + trcEvent.getTimestamp()); |
| 1446 | // TraceDebug.debug(sb.toString()); |
| 1447 | // } |
| 1448 | // } |
| 1449 | // } else { |
| 1450 | // /* |
| 1451 | // * The process might exist if a process was forked while |
| 1452 | // * performing the state dump. |
| 1453 | // */ |
| 1454 | // process = lttv_state_find_process(traceSt, ANY_CPU, pid); |
| 1455 | // if (process == null) { |
| 1456 | // parent_process = lttv_state_find_process(traceSt, |
| 1457 | // ANY_CPU, parent_pid); |
| 1458 | // process = create_process(traceSt, cpu, pid, tgid, |
| 1459 | // command, trcEvent.getTimestamp()); |
| 1460 | // if (parent_process != null) { |
| 1461 | // process.setPpid(parent_process.getPid()); |
| 1462 | // } |
| 1463 | // |
| 1464 | // /* Keep the stack bottom : a running user mode */ |
| 1465 | // /* |
| 1466 | // * Disabled because of inconsistencies in the current |
| 1467 | // * statedump states. |
| 1468 | // */ |
| 1469 | // if (type.equals(ProcessType.LTTV_STATE_KERNEL_THREAD |
| 1470 | // .getInName())) { |
| 1471 | // /* |
| 1472 | // * FIXME Kernel thread : can be in syscall or |
| 1473 | // * interrupt or trap. |
| 1474 | // */ |
| 1475 | // /* |
| 1476 | // * Will cause expected trap when in fact being |
| 1477 | // * syscall (even after end of statedump event) Will |
| 1478 | // * cause expected interrupt when being syscall. |
| 1479 | // * (only before end of statedump event) |
| 1480 | // */ |
| 1481 | // process |
| 1482 | // .setType(ProcessType.LTTV_STATE_KERNEL_THREAD); |
| 1483 | // |
| 1484 | // // #if 0 |
| 1485 | // // es->t = LTTV_STATE_SYSCALL; |
| 1486 | // // es->s = status; |
| 1487 | // // es->n = submode; |
| 1488 | // // #endif //0 |
| 1489 | // } else { |
| 1490 | // /* |
| 1491 | // * User space process : bottom : user mode either |
| 1492 | // * currently running or scheduled out. can be |
| 1493 | // * scheduled out because interrupted in (user mode |
| 1494 | // * or in syscall) or because of an explicit call to |
| 1495 | // * the scheduler in syscall. Note that the scheduler |
| 1496 | // * call comes after the irq_exit, so never in |
| 1497 | // * interrupt context. |
| 1498 | // */ |
| 1499 | // // temp workaround : set size to 1 : only have user |
| 1500 | // // mode |
| 1501 | // // bottom of stack. |
| 1502 | // // will cause g_info message of expected syscall |
| 1503 | // // mode when |
| 1504 | // // in fact being |
| 1505 | // // in user mode. Can also cause expected trap when |
| 1506 | // // in fact |
| 1507 | // // being user |
| 1508 | // // mode in the event of a page fault reenabling |
| 1509 | // // interrupts |
| 1510 | // // in the handler. |
| 1511 | // // Expected syscall and trap can also happen after |
| 1512 | // // the end |
| 1513 | // // of statedump |
| 1514 | // // This will cause a |
| 1515 | // // "popping last state on stack, ignoring it." |
| 1516 | // |
| 1517 | // // process->execution_stack = |
| 1518 | // // g_array_set_size(process->execution_stack, 1); |
| 1519 | // // es = process->state = |
| 1520 | // // &g_array_index(process->execution_stack, |
| 1521 | // // LttvExecutionState, 0); |
| 1522 | // // a new process must have only one state in the |
| 1523 | // // stack and |
| 1524 | // // be the same as the current state |
| 1525 | // // es = process.getState(); |
| 1526 | // // es.setExec_mode(ExecutionMode.LTTV_STATE_MODE_UNKNOWN); |
| 1527 | // // es.setProc_status(ProcessStatus.LTTV_STATE_UNNAMED); |
| 1528 | // // es |
| 1529 | // // |
| 1530 | // .setExec_submode(ExecutionSubMode.LTTV_STATE_SUBMODE_UNKNOWN |
| 1531 | // // .getInName()); |
| 1532 | // |
| 1533 | // // #if 0 |
| 1534 | // // es->t = LTTV_STATE_USER_MODE; |
| 1535 | // // es->s = status; |
| 1536 | // // es->n = submode; |
| 1537 | // // #endif //0 |
| 1538 | // } |
| 1539 | // // TODO: clean up comments above: Moved repeated code |
| 1540 | // // from both |
| 1541 | // // if / else blocks above, |
| 1542 | // // comments left temporarily for easier visualization |
| 1543 | // // and |
| 1544 | // // comparision with c code |
| 1545 | // es = process.getState(); |
| 1546 | // es.setExec_mode(ExecutionMode.LTTV_STATE_MODE_UNKNOWN); |
| 1547 | // es.setProc_status(ProcessStatus.LTTV_STATE_UNNAMED); |
| 1548 | // es |
| 1549 | // .setExec_submode(ExecutionSubMode.LTTV_STATE_SUBMODE_UNKNOWN |
| 1550 | // .getInName()); |
| 1551 | // // #if 0 |
| 1552 | // // /* UNKNOWN STATE */ |
| 1553 | // // { |
| 1554 | // // es = process->state = |
| 1555 | // // &g_array_index(process->execution_stack, |
| 1556 | // // LttvExecutionState, 1); |
| 1557 | // // es->t = LTTV_STATE_MODE_UNKNOWN; |
| 1558 | // // es->s = LTTV_STATE_UNNAMED; |
| 1559 | // // es->n = LTTV_STATE_SUBMODE_UNKNOWN; |
| 1560 | // // } |
| 1561 | // // #endif //0 |
| 1562 | // } else { |
| 1563 | // /* |
| 1564 | // * The process has already been created : Probably was |
| 1565 | // * forked while dumping the process state or was simply |
| 1566 | // * scheduled in prior to get the state dump event. |
| 1567 | // */ |
| 1568 | // process.setPpid(parent_pid); |
| 1569 | // process.setTgid(tgid); |
| 1570 | // process.setName(command); |
| 1571 | // if (type.equals(ProcessType.LTTV_STATE_KERNEL_THREAD |
| 1572 | // .getInName())) { |
| 1573 | // process |
| 1574 | // .setType(ProcessType.LTTV_STATE_KERNEL_THREAD); |
| 1575 | // } else { |
| 1576 | // process.setType(ProcessType.LTTV_STATE_USER_THREAD); |
| 1577 | // } |
| 1578 | // |
| 1579 | // // es = |
| 1580 | // // &g_array_index(process->execution_stack, |
| 1581 | // // LttvExecutionState, |
| 1582 | // // 0); |
| 1583 | // // #if 0 |
| 1584 | // // if(es->t == LTTV_STATE_MODE_UNKNOWN) { |
| 1585 | // // if(type == LTTV_STATE_KERNEL_THREAD) |
| 1586 | // // es->t = LTTV_STATE_SYSCALL; |
| 1587 | // // else |
| 1588 | // // es->t = LTTV_STATE_USER_MODE; |
| 1589 | // // } |
| 1590 | // // #endif //0 |
| 1591 | // /* |
| 1592 | // * Don't mess around with the stack, it will eventually |
| 1593 | // * become ok after the end of state dump. |
| 1594 | // */ |
| 1595 | // } |
| 1596 | // } |
| 1597 | |
| 1598 | return false; |
| 1599 | |
| 1600 | } |
| 1601 | }; |
| 1602 | return handler; |
| 1603 | } |
| 1604 | |
| 1605 | } |