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5d10d135 ASL |
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.state.evProcessor.state; | |
13 | ||
14 | import java.util.Map; | |
15 | ||
16 | import org.eclipse.linuxtools.lttng.TraceDebug; | |
17 | import org.eclipse.linuxtools.lttng.event.LttngEvent; | |
18 | import org.eclipse.linuxtools.lttng.state.StateStrings; | |
19 | import org.eclipse.linuxtools.lttng.state.StateStrings.BdevMode; | |
20 | import org.eclipse.linuxtools.lttng.state.StateStrings.CpuMode; | |
21 | import org.eclipse.linuxtools.lttng.state.StateStrings.Events; | |
22 | import org.eclipse.linuxtools.lttng.state.StateStrings.ExecutionMode; | |
23 | import org.eclipse.linuxtools.lttng.state.StateStrings.ExecutionSubMode; | |
24 | import org.eclipse.linuxtools.lttng.state.StateStrings.Fields; | |
25 | import org.eclipse.linuxtools.lttng.state.StateStrings.IRQMode; | |
26 | import org.eclipse.linuxtools.lttng.state.StateStrings.ProcessStatus; | |
27 | import org.eclipse.linuxtools.lttng.state.StateStrings.ProcessType; | |
28 | import org.eclipse.linuxtools.lttng.state.evProcessor.ILttngEventProcessor; | |
29 | import org.eclipse.linuxtools.lttng.state.model.LTTngCPUState; | |
30 | import org.eclipse.linuxtools.lttng.state.model.LttngBdevState; | |
31 | import org.eclipse.linuxtools.lttng.state.model.LttngExecutionState; | |
32 | import org.eclipse.linuxtools.lttng.state.model.LttngIRQState; | |
33 | import org.eclipse.linuxtools.lttng.state.model.LttngProcessState; | |
34 | import org.eclipse.linuxtools.lttng.state.model.LttngSoftIRQState; | |
35 | import org.eclipse.linuxtools.lttng.state.model.LttngTraceState; | |
36 | import org.eclipse.linuxtools.lttng.state.model.LttngTrapState; | |
37 | import org.eclipse.linuxtools.tmf.event.TmfTimestamp; | |
38 | ||
39 | /** | |
40 | * Wraps the creation of individual handlers, each method creates and instance | |
41 | * of the corresponding handler | |
42 | * | |
43 | * @author alvaro | |
44 | * | |
45 | */ | |
46 | class StateUpdateHandlers { | |
47 | ||
48 | final ILttngEventProcessor getSyscallEntryHandler() { | |
49 | AbsStateUpdate handler = new AbsStateUpdate() { | |
50 | ||
51 | // @Override | |
52 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
53 | ||
54 | Long cpu = trcEvent.getCpuId(); | |
55 | ||
56 | // No syscall_entry update for initialization process | |
57 | LttngProcessState process = traceSt.getRunning_process().get( | |
58 | cpu); | |
59 | if ((process != null) && (process.getPid() != null) | |
60 | && (process.getPid().longValue() == 0L)) { | |
61 | return true; | |
62 | } | |
63 | ||
64 | // Get the expected event field | |
65 | Long syscall = getAFieldLong(trcEvent, traceSt, | |
66 | Fields.LTT_FIELD_SYSCALL_ID); | |
67 | ||
68 | String submode = null; | |
69 | if (syscall == null) { | |
70 | TraceDebug | |
71 | .debug("Syscall Field not found, traceVent time: " | |
72 | + trcEvent.getTimestamp()); | |
73 | } else { | |
74 | submode = traceSt.getSyscall_names().get(syscall); | |
75 | } | |
76 | ||
77 | if (submode == null) { | |
78 | submode = ExecutionSubMode.LTTV_STATE_SUBMODE_UNKNOWN | |
79 | .getInName(); | |
80 | } | |
81 | ||
82 | push_state(cpu, StateStrings.ExecutionMode.LTTV_STATE_SYSCALL, | |
83 | submode, trcEvent.getTimestamp(), traceSt); | |
84 | return false; | |
85 | } | |
86 | }; | |
87 | return handler; | |
88 | } | |
89 | ||
90 | final ILttngEventProcessor getsySyscallExitHandler() { | |
91 | AbsStateUpdate handler = new AbsStateUpdate() { | |
92 | ||
93 | // @Override | |
94 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
95 | ||
96 | Long cpu = trcEvent.getCpuId(); | |
97 | LttngProcessState process = traceSt.getRunning_process().get( | |
98 | cpu); | |
99 | ||
100 | // No syscall_entry update for initialization process | |
101 | if ((process != null) && (process.getPid() != null) | |
102 | && (process.getPid().longValue() == 0L)) { | |
103 | return true; | |
104 | } | |
105 | ||
106 | pop_state(cpu, StateStrings.ExecutionMode.LTTV_STATE_SYSCALL, | |
107 | traceSt, trcEvent.getTimestamp()); | |
108 | return false; | |
109 | ||
110 | } | |
111 | }; | |
112 | return handler; | |
113 | } | |
114 | ||
115 | /** | |
116 | * Update stacks related to the parsing of an LttngEvent | |
117 | * | |
118 | * @return | |
119 | */ | |
120 | final ILttngEventProcessor getTrapEntryHandler() { | |
121 | AbsStateUpdate handler = new AbsStateUpdate() { | |
122 | ||
123 | // @Override | |
124 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
125 | Long cpu = trcEvent.getCpuId(); | |
126 | ||
127 | Long trap = getAFieldLong(trcEvent, traceSt, | |
128 | Fields.LTT_FIELD_TRAP_ID); | |
129 | if (trap == null) { | |
130 | TraceDebug | |
131 | .debug("Trap field could not be found, event time: " | |
132 | + trcEvent.getTimestamp()); | |
133 | return true; | |
134 | } | |
135 | ||
136 | // ready the trap submode name | |
137 | String submode = traceSt.getTrap_names().get(trap); | |
138 | ||
139 | if (submode == null) { | |
140 | submode = ExecutionSubMode.LTTV_STATE_SUBMODE_UNKNOWN | |
141 | .getInName(); | |
142 | } | |
143 | ||
144 | /* update process state */ | |
145 | push_state(cpu, StateStrings.ExecutionMode.LTTV_STATE_TRAP, | |
146 | submode, trcEvent.getTimestamp(), traceSt); | |
147 | ||
148 | /* update cpu status */ | |
149 | LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); | |
150 | cpu_push_mode(cpust, StateStrings.CpuMode.LTTV_CPU_TRAP); | |
151 | cpust.pushToTrapStack(trap); /* update trap status */ | |
152 | ||
153 | // update Trap State | |
154 | LttngTrapState trap_state = null; | |
155 | trap_state = traceSt.getTrap_states().get(trap); | |
156 | ||
157 | // If the trape_state exists, just increment it's counter, | |
158 | // otherwise, create it | |
159 | if ( trap_state == null ) { | |
160 | trap_state = new LttngTrapState(); | |
161 | trap_state.incrementRunning(); | |
162 | traceSt.getTrap_states().put(trap, trap_state); | |
163 | } | |
164 | else { | |
165 | trap_state.incrementRunning(); | |
166 | } | |
167 | ||
168 | return false; | |
169 | ||
170 | } | |
171 | }; | |
172 | return handler; | |
173 | } | |
174 | ||
175 | /** | |
176 | * | |
177 | * @return | |
178 | */ | |
179 | final ILttngEventProcessor getTrapExitHandler() { | |
180 | AbsStateUpdate handler = new AbsStateUpdate() { | |
181 | ||
182 | // @Override | |
183 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
184 | ||
185 | Long cpu = trcEvent.getCpuId(); | |
186 | LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); | |
187 | Long trap = cpust.popFromTrapStack(); | |
188 | ||
189 | /* update process state */ | |
190 | pop_state(cpu, ExecutionMode.LTTV_STATE_TRAP, traceSt, trcEvent | |
191 | .getTimestamp()); | |
192 | ||
193 | /* update cpu status */ | |
194 | cpu_pop_mode(cpust); | |
195 | ||
196 | if (trap != -1L) { | |
197 | traceSt.getTrap_states().get(trap).decrementRunning(); | |
198 | } | |
199 | // else { | |
200 | // TraceDebug.debug("remove this line"); | |
201 | // } | |
202 | ||
203 | return false; | |
204 | ||
205 | } | |
206 | }; | |
207 | return handler; | |
208 | } | |
209 | ||
210 | /** | |
211 | * | |
212 | * @return | |
213 | */ | |
214 | final ILttngEventProcessor getIrqEntryHandler() { | |
215 | AbsStateUpdate handler = new AbsStateUpdate() { | |
216 | ||
217 | // @Override | |
218 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
219 | ||
220 | Long cpu = trcEvent.getCpuId(); | |
221 | ||
222 | Long irq = getAFieldLong(trcEvent, traceSt, | |
223 | Fields.LTT_FIELD_IRQ_ID); | |
224 | if (irq == null || traceSt.getIrq_states().get(irq) == null) { | |
225 | if (irq != null) { | |
226 | System.out.println("Invalid irq (" + irq + "), ts = " + trcEvent.getOriginalTimestamp()); | |
227 | } | |
228 | return true; | |
229 | } | |
230 | ||
231 | String submode; | |
232 | submode = traceSt.getIrq_names().get(irq); | |
233 | ||
234 | if (submode == null) { | |
235 | submode = ExecutionSubMode.LTTV_STATE_SUBMODE_UNKNOWN | |
236 | .getInName(); | |
237 | } | |
238 | ||
239 | /* | |
240 | * Do something with the info about being in user or system mode | |
241 | * when int? | |
242 | */ | |
243 | push_state(cpu, ExecutionMode.LTTV_STATE_IRQ, submode, trcEvent | |
244 | .getTimestamp(), traceSt); | |
245 | ||
246 | /* update cpu state */ | |
247 | LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); | |
248 | cpu_push_mode(cpust, CpuMode.LTTV_CPU_IRQ); /* mode stack */ | |
249 | cpust.pushToIrqStack(irq); /* last irq */ | |
250 | ||
251 | /* udpate irq state */ | |
252 | irq_push_mode(traceSt.getIrq_states().get(irq), | |
253 | IRQMode.LTTV_IRQ_BUSY); | |
254 | return false; | |
255 | ||
256 | } | |
257 | }; | |
258 | return handler; | |
259 | } | |
260 | ||
261 | /** | |
262 | * | |
263 | * @return | |
264 | */ | |
265 | final ILttngEventProcessor getSoftIrqExitHandler() { | |
266 | AbsStateUpdate handler = new AbsStateUpdate() { | |
267 | ||
268 | // @Override | |
269 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
270 | ||
271 | Long cpu = trcEvent.getCpuId(); | |
272 | LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); | |
273 | Long softirq = cpust.popFromSoftIrqStack(); | |
274 | ||
275 | // Update process status | |
276 | pop_state(cpu, ExecutionMode.LTTV_STATE_SOFT_IRQ, traceSt, | |
277 | trcEvent.getTimestamp()); | |
278 | ||
279 | /* update softirq status */ | |
280 | if (softirq != -1) { | |
281 | LttngSoftIRQState softIrqstate = traceSt | |
282 | .getSoft_irq_states().get(softirq); | |
283 | if (softIrqstate != null) { | |
284 | softIrqstate.decrementRunning(); | |
285 | } | |
286 | } | |
287 | ||
288 | /* update cpu status */ | |
289 | cpu_pop_mode(cpust); | |
290 | ||
291 | return false; | |
292 | } | |
293 | }; | |
294 | return handler; | |
295 | } | |
296 | ||
297 | /** | |
298 | * | |
299 | * @return | |
300 | */ | |
301 | final ILttngEventProcessor getIrqExitHandler() { | |
302 | AbsStateUpdate handler = new AbsStateUpdate() { | |
303 | ||
304 | // @Override | |
305 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
306 | ||
307 | Long cpu = trcEvent.getCpuId(); | |
308 | ||
309 | /* update process state */ | |
310 | pop_state(cpu, ExecutionMode.LTTV_STATE_IRQ, traceSt, trcEvent | |
311 | .getTimestamp()); | |
312 | ||
313 | /* update cpu status */ | |
314 | LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); | |
315 | cpu_pop_mode(cpust); | |
316 | ||
317 | /* update irq status */ | |
318 | Long last_irq = cpust.popFromIrqStack(); | |
319 | if (last_irq != -1L) { | |
320 | LttngIRQState irq_state = traceSt.getIrq_states().get( | |
321 | last_irq); | |
322 | irq_pop_mode(irq_state); | |
323 | } | |
324 | ||
325 | return false; | |
326 | ||
327 | } | |
328 | }; | |
329 | return handler; | |
330 | } | |
331 | ||
332 | /** | |
333 | * | |
334 | * @return | |
335 | */ | |
336 | final ILttngEventProcessor getSoftIrqRaiseHandler() { | |
337 | AbsStateUpdate handler = new AbsStateUpdate() { | |
338 | ||
339 | private Events eventType = Events.LTT_EVENT_SOFT_IRQ_RAISE; | |
340 | ||
341 | // @Override | |
342 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
343 | ||
344 | // Long cpu = trcEvent.getCpuId(); | |
345 | ||
346 | // get event field | |
347 | Long softirq = getAFieldLong(trcEvent, traceSt, | |
348 | Fields.LTT_FIELD_SOFT_IRQ_ID); | |
349 | ||
350 | if (softirq == null) { | |
351 | TraceDebug.debug("Soft_irq_id not found in " | |
352 | + eventType.getInName() + " time: " | |
353 | + trcEvent.getTimestamp()); | |
354 | return true; | |
355 | } | |
356 | ||
357 | // String submode; | |
358 | // String[] softIrqNames = traceSt.getSoft_irq_names(); | |
359 | // if (softirq < softIrqNames.length) { | |
360 | // submode = softIrqNames[softirq]; | |
361 | // } else { | |
362 | // submode = "softirq " + softirq; | |
363 | // } | |
364 | ||
365 | /* update softirq status */ | |
366 | /* a soft irq raises are not cumulative */ | |
367 | LttngSoftIRQState irqState = traceSt.getSoft_irq_states().get( | |
368 | softirq); | |
369 | if (irqState != null) { | |
370 | irqState.setPending(1L); | |
371 | } else { | |
372 | TraceDebug | |
373 | .debug("unexpected soft irq id value: " + softirq); | |
374 | } | |
375 | ||
376 | return false; | |
377 | ||
378 | } | |
379 | }; | |
380 | return handler; | |
381 | } | |
382 | ||
383 | /** | |
384 | * | |
385 | * @return | |
386 | */ | |
387 | final ILttngEventProcessor getSoftIrqEntryHandler() { | |
388 | AbsStateUpdate handler = new AbsStateUpdate() { | |
389 | ||
390 | // @Override | |
391 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
392 | ||
393 | // obtrain cpu | |
394 | Long cpu = trcEvent.getCpuId(); | |
395 | ||
396 | // get event field | |
397 | Long softirq = getAFieldLong(trcEvent, traceSt, | |
398 | Fields.LTT_FIELD_SOFT_IRQ_ID); | |
399 | ||
400 | if (softirq == null) { | |
401 | TraceDebug.debug("Soft IRQ ID not found, eventTime: " | |
402 | + trcEvent.getTimestamp()); | |
403 | return true; | |
404 | } | |
405 | ||
406 | // obtain submode | |
407 | Map<Long, String> softIrqNames = traceSt.getSoft_irq_names(); | |
408 | String submode = softIrqNames.get(softirq); | |
409 | if (submode == null) { | |
410 | submode = "softirq " + softirq; | |
411 | softIrqNames.put(softirq, submode); | |
412 | } | |
413 | ||
414 | /* update softirq status */ | |
415 | LttngSoftIRQState irqState = traceSt.getSoft_irq_states().get( | |
416 | softirq); | |
417 | if (irqState != null) { | |
418 | irqState.decrementPending(); | |
419 | irqState.incrementRunning(); | |
420 | } else { | |
421 | TraceDebug | |
422 | .debug("unexpected soft irq id value: " + softirq); | |
423 | } | |
424 | ||
425 | /* update cpu state */ | |
426 | LTTngCPUState cpu_state = traceSt.getCpu_states().get(cpu); | |
427 | cpu_state.pushToSoftIrqStack(softirq); | |
428 | cpu_push_mode(cpu_state, CpuMode.LTTV_CPU_SOFT_IRQ); | |
429 | ||
430 | /* update process execution mode state stack */ | |
431 | push_state(cpu, ExecutionMode.LTTV_STATE_SOFT_IRQ, submode, | |
432 | trcEvent.getTimestamp(), traceSt); | |
433 | ||
434 | return false; | |
435 | ||
436 | } | |
437 | }; | |
438 | return handler; | |
439 | } | |
440 | ||
441 | /** | |
442 | * Method to handle the event: LTT_EVENT_LIST_INTERRRUPT | |
443 | * | |
444 | * @return | |
445 | */ | |
446 | final ILttngEventProcessor getEnumInterruptHandler() { | |
447 | AbsStateUpdate handler = new AbsStateUpdate() { | |
448 | ||
449 | private Events eventType = Events.LTT_EVENT_LIST_INTERRUPT; | |
450 | ||
451 | // @Override | |
452 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
453 | String action = getAFieldString(trcEvent, traceSt, | |
454 | Fields.LTT_FIELD_ACTION); | |
455 | Long irq = getAFieldLong(trcEvent, traceSt, | |
456 | Fields.LTT_FIELD_IRQ_ID); | |
457 | ||
458 | if (action == null) { | |
459 | TraceDebug.debug("Field Action not found in event " | |
460 | + eventType.getInName() + " time: " | |
461 | + trcEvent.getTimestamp()); | |
462 | return true; | |
463 | } | |
464 | ||
465 | if (irq == null) { | |
466 | TraceDebug.debug("Field irq_id not found in event " | |
467 | + eventType.getInName() + " time: " | |
468 | + trcEvent.getTimestamp()); | |
469 | return true; | |
470 | } | |
471 | ||
472 | Map<Long, String> irq_names = traceSt.getIrq_names(); | |
473 | ||
474 | irq_names.put(irq, action); | |
475 | return false; | |
476 | ||
477 | } | |
478 | }; | |
479 | return handler; | |
480 | } | |
481 | ||
482 | /** | |
483 | * Handle the event LTT_EVENT_REQUEST_ISSUE | |
484 | * | |
485 | * @return | |
486 | */ | |
487 | final ILttngEventProcessor getBdevRequestIssueHandler() { | |
488 | AbsStateUpdate handler = new AbsStateUpdate() { | |
489 | ||
490 | // @Override | |
491 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
492 | ||
493 | // Get Fields | |
494 | Long major = getAFieldLong(trcEvent, traceSt, | |
495 | Fields.LTT_FIELD_MAJOR); | |
496 | Long minor = getAFieldLong(trcEvent, traceSt, | |
497 | Fields.LTT_FIELD_MINOR); | |
498 | Long operation = getAFieldLong(trcEvent, traceSt, | |
499 | Fields.LTT_FIELD_OPERATION); | |
500 | ||
501 | // calculate bdevcode | |
502 | Long devcode = mkdev(major, minor); | |
503 | ||
504 | if (devcode == null) { | |
505 | TraceDebug | |
506 | .debug("incorrect calcualtion of bdevcode input( major: " | |
507 | + major | |
508 | + " minor: " | |
509 | + minor | |
510 | + " operation: " + operation); | |
511 | return true; | |
512 | } | |
513 | ||
514 | Map<Long, LttngBdevState> bdev_states = traceSt | |
515 | .getBdev_states(); | |
516 | // Get the instance | |
517 | LttngBdevState bdevState = bdev_states.get(devcode); | |
518 | if (bdevState == null) { | |
519 | bdevState = new LttngBdevState(); | |
520 | } | |
521 | ||
522 | // update the mode in the stack | |
523 | if (operation == 0L) { | |
524 | bdevState.pushToBdevStack(BdevMode.LTTV_BDEV_BUSY_READING); | |
525 | } else { | |
526 | bdevState.pushToBdevStack(BdevMode.LTTV_BDEV_BUSY_WRITING); | |
527 | } | |
528 | ||
529 | // make sure it is included in the set | |
530 | bdev_states.put(devcode, bdevState); | |
531 | return false; | |
532 | ||
533 | } | |
534 | }; | |
535 | return handler; | |
536 | } | |
537 | ||
538 | /** | |
539 | * <p> | |
540 | * Handling event: LTT_EVENT_REQUEST_COMPLETE | |
541 | * </p> | |
542 | * <p> | |
543 | * FIELDS(LTT_FIELD_MAJOR, LTT_FIELD_MINOR, LTT_FIELD_OPERATION | |
544 | * </p> | |
545 | * | |
546 | * @return | |
547 | */ | |
548 | final ILttngEventProcessor getBdevRequestCompleteHandler() { | |
549 | AbsStateUpdate handler = new AbsStateUpdate() { | |
550 | ||
551 | // @Override | |
552 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
553 | ||
554 | // Get Fields | |
555 | Long major = getAFieldLong(trcEvent, traceSt, | |
556 | Fields.LTT_FIELD_MAJOR); | |
557 | Long minor = getAFieldLong(trcEvent, traceSt, | |
558 | Fields.LTT_FIELD_MINOR); | |
559 | Long operation = getAFieldLong(trcEvent, traceSt, | |
560 | Fields.LTT_FIELD_OPERATION); | |
561 | ||
562 | // calculate bdevcode | |
563 | Long devcode = mkdev(major, minor); | |
564 | ||
565 | if (devcode == null) { | |
566 | TraceDebug | |
567 | .debug("incorrect calcualtion of bdevcode input( major: " | |
568 | + major | |
569 | + " minor: " | |
570 | + minor | |
571 | + " operation: " + operation); | |
572 | return true; | |
573 | } | |
574 | ||
575 | Map<Long, LttngBdevState> bdev_states = traceSt | |
576 | .getBdev_states(); | |
577 | // Get the instance | |
578 | LttngBdevState bdevState = bdev_states.get(devcode); | |
579 | if (bdevState == null) { | |
580 | bdevState = new LttngBdevState(); | |
581 | } | |
582 | ||
583 | /* update block device */ | |
584 | bdev_pop_mode(bdevState); | |
585 | ||
586 | return false; | |
587 | ||
588 | } | |
589 | }; | |
590 | return handler; | |
591 | } | |
592 | ||
593 | /** | |
594 | * <p> | |
595 | * Handles event: LTT_EVENT_FUNCTION_ENTRY | |
596 | * </p> | |
597 | * <p> | |
598 | * FIELDS: LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE | |
599 | * </p> | |
600 | * | |
601 | * @return | |
602 | */ | |
603 | final ILttngEventProcessor getFunctionEntryHandler() { | |
604 | AbsStateUpdate handler = new AbsStateUpdate() { | |
605 | ||
606 | // @Override | |
607 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
608 | Long cpu = trcEvent.getCpuId(); | |
609 | Long funcptr = getAFieldLong(trcEvent, traceSt, | |
610 | Fields.LTT_FIELD_THIS_FN); | |
611 | ||
612 | push_function(traceSt, funcptr, cpu); | |
613 | return false; | |
614 | ||
615 | } | |
616 | }; | |
617 | return handler; | |
618 | } | |
619 | ||
620 | /** | |
621 | * | |
622 | * @return | |
623 | */ | |
624 | final ILttngEventProcessor getFunctionExitHandler() { | |
625 | AbsStateUpdate handler = new AbsStateUpdate() { | |
626 | ||
627 | // @Override | |
628 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
629 | ||
630 | Long funcptr = getAFieldLong(trcEvent, traceSt, | |
631 | Fields.LTT_FIELD_THIS_FN); | |
632 | ||
633 | pop_function(traceSt, trcEvent, funcptr); | |
634 | return false; | |
635 | ||
636 | } | |
637 | }; | |
638 | return handler; | |
639 | } | |
640 | ||
641 | /** | |
642 | * <p> | |
643 | * process event: LTT_EVENT_SYS_CALL_TABLE | |
644 | * </p> | |
645 | * <p> | |
646 | * fields: LTT_FIELD_ID, LTT_FIELD_ADDRESS, LTT_FIELD_SYMBOL | |
647 | * </p> | |
648 | * | |
649 | * @return | |
650 | */ | |
651 | final ILttngEventProcessor getDumpSyscallHandler() { | |
652 | AbsStateUpdate handler = new AbsStateUpdate() { | |
653 | ||
654 | // @Override | |
655 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
656 | // obtain the syscall id | |
657 | Long id = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_ID); | |
658 | ||
659 | // Long address = getAFieldLong(trcEvent, traceSt, | |
660 | // Fields.LTT_FIELD_ADDRESS); | |
661 | ||
662 | // Obtain the symbol | |
663 | String symbol = getAFieldString(trcEvent, traceSt, | |
664 | Fields.LTT_FIELD_SYMBOL); | |
665 | ||
666 | // fill the symbol to the sycall_names collection | |
667 | traceSt.getSyscall_names().put(id, symbol); | |
668 | ||
669 | return false; | |
670 | } | |
671 | }; | |
672 | return handler; | |
673 | } | |
674 | ||
675 | /** | |
676 | * <p> | |
677 | * Handles event: LTT_EVENT_KPROBE_TABLE | |
678 | * </p> | |
679 | * <p> | |
680 | * Fields: LTT_FIELD_IP, LTT_FIELD_SYMBOL | |
681 | * </p> | |
682 | * | |
683 | * @return | |
684 | */ | |
685 | final ILttngEventProcessor getDumpKprobeHandler() { | |
686 | AbsStateUpdate handler = new AbsStateUpdate() { | |
687 | ||
688 | // @Override | |
689 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
690 | ||
691 | Long ip = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_IP); | |
692 | String symbol = getAFieldString(trcEvent, traceSt, | |
693 | Fields.LTT_FIELD_SYMBOL); | |
694 | ||
695 | traceSt.getKprobe_table().put(ip, symbol); | |
696 | ||
697 | return false; | |
698 | ||
699 | } | |
700 | }; | |
701 | return handler; | |
702 | } | |
703 | ||
704 | /** | |
705 | * <p> | |
706 | * Handles: LTT_EVENT_SOFTIRQ_VEC | |
707 | * </p> | |
708 | * <p> | |
709 | * Fields: LTT_FIELD_ID, LTT_FIELD_ADDRESS, LTT_FIELD_SYMBOL | |
710 | * </p> | |
711 | * | |
712 | * @return | |
713 | */ | |
714 | final ILttngEventProcessor getDumpSoftIrqHandler() { | |
715 | AbsStateUpdate handler = new AbsStateUpdate() { | |
716 | ||
717 | // @Override | |
718 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
719 | ||
720 | // Get id | |
721 | Long id = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_ID); | |
722 | ||
723 | // Address not needed | |
724 | // Long address = ltt_event_get_long_unsigned(e, | |
725 | // lttv_trace_get_hook_field(th, | |
726 | // 1)); | |
727 | ||
728 | // Get symbol | |
729 | String symbol = getAFieldString(trcEvent, traceSt, | |
730 | Fields.LTT_FIELD_SYMBOL); | |
731 | ||
732 | // Register the soft irq name | |
733 | traceSt.getSoft_irq_names().put(id, symbol); | |
734 | return false; | |
735 | ||
736 | } | |
737 | }; | |
738 | return handler; | |
739 | } | |
740 | ||
741 | /** | |
742 | * <p> | |
743 | * Handles: LTT_EVENT_SCHED_SCHEDULE | |
744 | * </p> | |
745 | * <p> | |
746 | * Fields: LTT_FIELD_PREV_PID, LTT_FIELD_NEXT_PID, LTT_FIELD_PREV_STATE | |
747 | * </p> | |
748 | * | |
749 | * @return | |
750 | */ | |
751 | final ILttngEventProcessor getSchedChangeHandler() { | |
752 | AbsStateUpdate handler = new AbsStateUpdate() { | |
753 | ||
754 | // @Override | |
755 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
756 | ||
757 | Long cpu = trcEvent.getCpuId(); | |
758 | TmfTimestamp eventTime = trcEvent.getTimestamp(); | |
759 | ||
760 | LttngProcessState process = traceSt.getRunning_process().get( | |
761 | cpu); | |
762 | ||
763 | Long pid_out = getAFieldLong(trcEvent, traceSt, | |
764 | Fields.LTT_FIELD_PREV_PID); | |
765 | Long pid_in = getAFieldLong(trcEvent, traceSt, | |
766 | Fields.LTT_FIELD_NEXT_PID); | |
767 | Long state_out = getAFieldLong(trcEvent, traceSt, | |
768 | Fields.LTT_FIELD_PREV_STATE); | |
769 | ||
770 | if (process != null) { | |
771 | ||
772 | /* | |
773 | * We could not know but it was not the idle process | |
774 | * executing. This should only happen at the beginning, | |
775 | * before the first schedule event, and when the initial | |
776 | * information (current process for each CPU) is missing. It | |
777 | * is not obvious how we could, after the fact, compensate | |
778 | * the wrongly attributed statistics. | |
779 | */ | |
780 | ||
781 | // This test only makes sense once the state is known and if | |
782 | // there | |
783 | // is no | |
784 | // missing events. We need to silently ignore schedchange | |
785 | // coming | |
786 | // after a | |
787 | // process_free, or it causes glitches. (FIXME) | |
788 | // if(unlikely(process->pid != pid_out)) { | |
789 | // g_assert(process->pid == 0); | |
790 | // } | |
791 | if ((process.getPid().longValue() == 0L) | |
792 | && (process.getState().getExec_mode() == ExecutionMode.LTTV_STATE_MODE_UNKNOWN)) { | |
793 | if ((pid_out != null) && (pid_out.longValue() == 0L)) { | |
794 | /* | |
795 | * Scheduling out of pid 0 at beginning of the trace | |
796 | * : we know for sure it is in syscall mode at this | |
797 | * point. | |
798 | */ | |
799 | ||
800 | process.getState().setExec_mode( | |
801 | ExecutionMode.LTTV_STATE_SYSCALL); | |
802 | process.getState().setProc_status( | |
803 | ProcessStatus.LTTV_STATE_WAIT); | |
804 | process.getState().setChange_Time( | |
805 | trcEvent.getTimestamp().getValue()); | |
806 | process.getState().setEntry_Time( | |
807 | trcEvent.getTimestamp().getValue()); | |
808 | } | |
809 | } else { | |
810 | if (process.getState().getProc_status() == ProcessStatus.LTTV_STATE_EXIT) { | |
811 | process.getState().setProc_status( | |
812 | ProcessStatus.LTTV_STATE_ZOMBIE); | |
813 | process.getState().setChange_Time( | |
814 | trcEvent.getTimestamp().getValue()); | |
815 | } else { | |
816 | if ((state_out != null) | |
817 | && (state_out.longValue() == 0L)) { | |
818 | process.getState().setProc_status( | |
819 | ProcessStatus.LTTV_STATE_WAIT_CPU); | |
820 | } else { | |
821 | process.getState().setProc_status( | |
822 | ProcessStatus.LTTV_STATE_WAIT); | |
823 | } | |
824 | ||
825 | process.getState().setChange_Time( | |
826 | trcEvent.getTimestamp().getValue()); | |
827 | } | |
828 | ||
829 | if ((state_out != null) | |
830 | && (state_out == 32L || state_out == 64L)) { /* | |
831 | * EXIT_DEAD | |
832 | * || | |
833 | * TASK_DEAD | |
834 | */ | |
835 | /* see sched.h for states */ | |
836 | if (!exit_process(traceSt, process)) { | |
837 | process.getState().setProc_status( | |
838 | ProcessStatus.LTTV_STATE_DEAD); | |
839 | process.getState().setChange_Time( | |
840 | trcEvent.getTimestamp().getValue()); | |
841 | } | |
842 | } | |
843 | } | |
844 | } | |
845 | process = lttv_state_find_process_or_create(traceSt, cpu, | |
846 | pid_in, eventTime); | |
847 | ||
848 | traceSt.getRunning_process().put(cpu, process); | |
849 | ||
850 | process.getState().setProc_status(ProcessStatus.LTTV_STATE_RUN); | |
851 | process.getState().setChange_Time(eventTime.getValue()); | |
852 | process.setCpu(cpu); | |
853 | // process->state->s = LTTV_STATE_RUN; | |
854 | // if(process->usertrace) | |
855 | // process->usertrace->cpu = cpu; | |
856 | // process->last_cpu_index = | |
857 | // ltt_tracefile_num(((LttvTracefileContext*)s)->tf); | |
858 | ||
859 | // process->state->change = s->parent.timestamp; | |
860 | ||
861 | LTTngCPUState cpu_state = traceSt.getCpu_states().get(cpu); | |
862 | /* update cpu status */ | |
863 | if ((pid_in != null) && (pid_in.longValue() == 0L)) { | |
864 | ||
865 | /* going to idle task */ | |
866 | cpu_set_base_mode(cpu_state, CpuMode.LTTV_CPU_IDLE); | |
867 | } else { | |
868 | /* | |
869 | * scheduling a real task. we must be careful here: if we | |
870 | * just schedule()'ed to a process that is in a trap, we | |
871 | * must put the cpu in trap mode | |
872 | */ | |
873 | cpu_set_base_mode(cpu_state, CpuMode.LTTV_CPU_BUSY); | |
874 | if (process.getState().getExec_mode() == ExecutionMode.LTTV_STATE_TRAP) { | |
875 | cpu_push_mode(cpu_state, CpuMode.LTTV_CPU_TRAP); | |
876 | } | |
877 | } | |
878 | return false; | |
879 | ||
880 | } | |
881 | }; | |
882 | return handler; | |
883 | } | |
884 | ||
885 | /** | |
886 | * <p> | |
887 | * Handles: LTT_EVENT_PROCESS_FORK | |
888 | * </p> | |
889 | * <p> | |
890 | * Fields: FIELD_ARRAY(LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID, | |
891 | * LTT_FIELD_CHILD_TGID) | |
892 | * </p> | |
893 | * | |
894 | * @return | |
895 | */ | |
896 | final ILttngEventProcessor getProcessForkHandler() { | |
897 | AbsStateUpdate handler = new AbsStateUpdate() { | |
898 | ||
899 | // @Override | |
900 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
901 | ||
902 | Long cpu = trcEvent.getCpuId(); | |
903 | LttngProcessState process = traceSt.getRunning_process().get( | |
904 | cpu); | |
905 | TmfTimestamp timeStamp = trcEvent.getTimestamp(); | |
906 | ||
907 | // /* Parent PID */ | |
908 | // Long parent_pid = getAFieldLong(trcEvent, traceSt, | |
909 | // Fields.LTT_FIELD_PARENT_PID); | |
910 | ||
911 | /* Child PID */ | |
912 | /* In the Linux Kernel, there is one PID per thread. */ | |
913 | Long child_pid = getAFieldLong(trcEvent, traceSt, | |
914 | Fields.LTT_FIELD_CHILD_PID); | |
915 | ||
916 | /* Child TGID */ | |
917 | /* tgid in the Linux kernel is the "real" POSIX PID. */ | |
918 | Long child_tgid = getAFieldLong(trcEvent, traceSt, | |
919 | Fields.LTT_FIELD_CHILD_TGID); | |
920 | if (child_tgid == null) { | |
921 | child_tgid = 0L; | |
922 | } | |
923 | ||
924 | /* | |
925 | * Mathieu : it seems like the process might have been scheduled | |
926 | * in before the fork, and, in a rare case, might be the current | |
927 | * process. This might happen in a SMP case where we don't have | |
928 | * enough precision on the clocks. | |
929 | * | |
930 | * Test reenabled after precision fixes on time. (Mathieu) | |
931 | */ | |
932 | // #if 0 | |
933 | // zombie_process = lttv_state_find_process(ts, ANY_CPU, | |
934 | // child_pid); | |
935 | // | |
936 | // if(unlikely(zombie_process != NULL)) { | |
937 | // /* Reutilisation of PID. Only now we are sure that the old | |
938 | // PID | |
939 | // * has been released. FIXME : should know when release_task | |
940 | // happens | |
941 | // instead. | |
942 | // */ | |
943 | // guint num_cpus = ltt_trace_get_num_cpu(ts->parent.t); | |
944 | // guint i; | |
945 | // for(i=0; i< num_cpus; i++) { | |
946 | // g_assert(zombie_process != ts->running_process[i]); | |
947 | // } | |
948 | // | |
949 | // exit_process(s, zombie_process); | |
950 | // } | |
951 | // #endif //0 | |
952 | ||
953 | if (process.getPid().equals(child_pid)) { | |
954 | TraceDebug | |
955 | .debug("Unexpected, process pid equal to child pid: " | |
956 | + child_pid | |
957 | + " Event Time: " | |
958 | + trcEvent.getTimestamp()); | |
959 | } | |
960 | ||
961 | // g_assert(process->pid != child_pid); | |
962 | // FIXME : Add this test in the "known state" section | |
963 | // g_assert(process->pid == parent_pid); | |
964 | LttngProcessState child_process = lttv_state_find_process( | |
965 | traceSt, ANY_CPU, child_pid); | |
966 | if (child_process == null) { | |
967 | child_process = create_process(traceSt, cpu, child_pid, | |
968 | child_tgid, timeStamp); | |
969 | child_process.setPpid(process.getPid(), timeStamp.getValue()); | |
970 | } else { | |
971 | /* | |
972 | * The process has already been created : due to time | |
973 | * imprecision between multiple CPUs : it has been scheduled | |
974 | * in before creation. Note that we shouldn't have this kind | |
975 | * of imprecision. | |
976 | * | |
977 | * Simply put a correct parent. | |
978 | */ | |
979 | StringBuilder sb = new StringBuilder("Process " + child_pid); | |
980 | sb.append(" has been created at [" | |
981 | + child_process.getCreation_time() + "] "); | |
982 | sb.append("and inserted at [" | |
983 | + child_process.getInsertion_time() + "] "); | |
984 | sb.append("before \nfork on cpu " + cpu + " Event time: [" | |
985 | + trcEvent + "]\n."); | |
986 | sb | |
987 | .append("Probably an unsynchronized TSD problem on the traced machine."); | |
988 | TraceDebug.debug(sb.toString()); | |
989 | ||
990 | // g_assert(0); /* This is a problematic case : the process | |
991 | // has | |
992 | // beencreated | |
993 | // before the fork event */ | |
994 | child_process.setPpid(process.getPid()); | |
995 | child_process.setTgid(child_tgid); | |
996 | } | |
997 | ||
998 | if (!child_process.getName().equals( | |
999 | ProcessStatus.LTTV_STATE_UNNAMED.getInName())) { | |
1000 | TraceDebug.debug("Unexpected child process status: " | |
1001 | + child_process.getName()); | |
1002 | } | |
1003 | ||
1004 | child_process.setName(process.getName()); | |
1005 | child_process.setBrand(process.getBrand()); | |
1006 | ||
1007 | return false; | |
1008 | ||
1009 | } | |
1010 | }; | |
1011 | return handler; | |
1012 | } | |
1013 | ||
1014 | /** | |
1015 | * <p> | |
1016 | * Handles: LTT_EVENT_KTHREAD_CREATE | |
1017 | * </p> | |
1018 | * <p> | |
1019 | * Fields: LTT_FIELD_PID | |
1020 | * </p> | |
1021 | * | |
1022 | * @return | |
1023 | */ | |
1024 | final ILttngEventProcessor getProcessKernelThreadHandler() { | |
1025 | AbsStateUpdate handler = new AbsStateUpdate() { | |
1026 | ||
1027 | // @Override | |
1028 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
1029 | /* | |
1030 | * We stamp a newly created process as kernel_thread. The thread | |
1031 | * should not be running yet. | |
1032 | */ | |
1033 | ||
1034 | LttngExecutionState exState; | |
1035 | Long pid; | |
1036 | LttngProcessState process; | |
1037 | ||
1038 | /* PID */ | |
1039 | pid = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_PID); | |
1040 | // s->parent.target_pid = pid; | |
1041 | ||
1042 | process = lttv_state_find_process_or_create(traceSt, ANY_CPU, | |
1043 | pid, new TmfTimestamp()); | |
1044 | ||
1045 | if (!process.getState().getProc_status().equals( | |
1046 | ProcessStatus.LTTV_STATE_DEAD)) { | |
1047 | // Leave only the first element in the stack with execution | |
1048 | // mode to | |
1049 | // syscall | |
1050 | exState = process.getFirstElementFromExecutionStack(); | |
1051 | exState.setExec_mode(ExecutionMode.LTTV_STATE_SYSCALL); | |
1052 | process.clearExecutionStack(); | |
1053 | process.pushToExecutionStack(exState); | |
1054 | } | |
1055 | ||
1056 | process.setType(ProcessType.LTTV_STATE_KERNEL_THREAD); | |
1057 | ||
1058 | return false; | |
1059 | ||
1060 | } | |
1061 | }; | |
1062 | return handler; | |
1063 | } | |
1064 | ||
1065 | /** | |
1066 | * <p> | |
1067 | * Handles: LTT_EVENT_PROCESS_EXIT | |
1068 | * </p> | |
1069 | * <p> | |
1070 | * LTT_FIELD_PID | |
1071 | * </p> | |
1072 | * | |
1073 | * @return | |
1074 | */ | |
1075 | final ILttngEventProcessor getProcessExitHandler() { | |
1076 | AbsStateUpdate handler = new AbsStateUpdate() { | |
1077 | ||
1078 | // @Override | |
1079 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
1080 | ||
1081 | Long pid; | |
1082 | LttngProcessState process; | |
1083 | ||
1084 | pid = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_PID); | |
1085 | // s->parent.target_pid = pid; | |
1086 | ||
1087 | // FIXME : Add this test in the "known state" section | |
1088 | // g_assert(process->pid == pid); | |
1089 | ||
1090 | process = lttv_state_find_process(traceSt, ANY_CPU, pid); | |
1091 | if (process != null) { | |
1092 | process.getState().setProc_status( | |
1093 | ProcessStatus.LTTV_STATE_EXIT); | |
1094 | } | |
1095 | return false; | |
1096 | ||
1097 | } | |
1098 | }; | |
1099 | return handler; | |
1100 | } | |
1101 | ||
1102 | /** | |
1103 | * <p> | |
1104 | * Handles: LTT_EVENT_PROCESS_FREE | |
1105 | * </p> | |
1106 | * <p> | |
1107 | * Fields: LTT_FIELD_PID | |
1108 | * </p> | |
1109 | * | |
1110 | * @return | |
1111 | */ | |
1112 | final ILttngEventProcessor getProcessFreeHandler() { | |
1113 | AbsStateUpdate handler = new AbsStateUpdate() { | |
1114 | ||
1115 | // @Override | |
1116 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
1117 | ||
1118 | Long release_pid; | |
1119 | LttngProcessState process; | |
1120 | ||
1121 | /* PID of the process to release */ | |
1122 | release_pid = getAFieldLong(trcEvent, traceSt, | |
1123 | Fields.LTT_FIELD_PID); | |
1124 | // s->parent.target_pid = release_pid; | |
1125 | ||
1126 | if ((release_pid != null) && (release_pid.longValue() == 0L)) { | |
1127 | TraceDebug.debug("Unexpected release_pid: 0, Event time: " | |
1128 | + trcEvent.getTimestamp()); | |
1129 | } | |
1130 | ||
1131 | process = lttv_state_find_process(traceSt, ANY_CPU, release_pid); | |
1132 | if (process != null) { | |
1133 | exit_process(traceSt, process); | |
1134 | } | |
1135 | ||
1136 | return false; | |
1137 | // DISABLED | |
1138 | // if(process != null) { | |
1139 | /* | |
1140 | * release_task is happening at kernel level : we can now safely | |
1141 | * release the data structure of the process | |
1142 | */ | |
1143 | // This test is fun, though, as it may happen that | |
1144 | // at time t : CPU 0 : process_free | |
1145 | // at time t+150ns : CPU 1 : schedule out | |
1146 | // Clearly due to time imprecision, we disable it. (Mathieu) | |
1147 | // If this weird case happen, we have no choice but to put the | |
1148 | // Currently running process on the cpu to 0. | |
1149 | // I re-enable it following time precision fixes. (Mathieu) | |
1150 | // Well, in the case where an process is freed by a process on | |
1151 | // another | |
1152 | // CPU | |
1153 | // and still scheduled, it happens that this is the schedchange | |
1154 | // that | |
1155 | // will | |
1156 | // drop the last reference count. Do not free it here! | |
1157 | ||
1158 | // int num_cpus = ltt_trace_get_num_cpu(ts->parent.t); | |
1159 | // guint i; | |
1160 | // for(i=0; i< num_cpus; i++) { | |
1161 | // //g_assert(process != ts->running_process[i]); | |
1162 | // if(process == ts->running_process[i]) { | |
1163 | // //ts->running_process[i] = lttv_state_find_process(ts, i, 0); | |
1164 | // break; | |
1165 | // } | |
1166 | // } | |
1167 | // if(i == num_cpus) /* process is not scheduled */ | |
1168 | // exit_process(s, process); | |
1169 | // } | |
1170 | // | |
1171 | // return false; | |
1172 | ||
1173 | } | |
1174 | }; | |
1175 | return handler; | |
1176 | } | |
1177 | ||
1178 | /** | |
1179 | * <p> | |
1180 | * Handles: LTT_EVENT_EXEC | |
1181 | * </p> | |
1182 | * <p> | |
1183 | * FIELDS: LTT_FIELD_FILENAME | |
1184 | * </p> | |
1185 | * | |
1186 | * @return | |
1187 | */ | |
1188 | final ILttngEventProcessor getProcessExecHandler() { | |
1189 | AbsStateUpdate handler = new AbsStateUpdate() { | |
1190 | ||
1191 | // @Override | |
1192 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
1193 | ||
1194 | Long cpu = trcEvent.getCpuId(); | |
1195 | LttngProcessState process = traceSt.getRunning_process().get( | |
1196 | cpu); | |
1197 | ||
1198 | // #if 0//how to use a sequence that must be transformed in a | |
1199 | // string | |
1200 | // /* PID of the process to release */ | |
1201 | // guint64 name_len = ltt_event_field_element_number(e, | |
1202 | // lttv_trace_get_hook_field(th, 0)); | |
1203 | // //name = ltt_event_get_string(e, | |
1204 | // lttv_trace_get_hook_field(th, 0)); | |
1205 | // LttField *child = ltt_event_field_element_select(e, | |
1206 | // lttv_trace_get_hook_field(th, 0), 0); | |
1207 | // gchar *name_begin = | |
1208 | // (gchar*)(ltt_event_data(e)+ltt_event_field_offset(e, child)); | |
1209 | // gchar *null_term_name = g_new(gchar, name_len+1); | |
1210 | // memcpy(null_term_name, name_begin, name_len); | |
1211 | // null_term_name[name_len] = '\0'; | |
1212 | // process->name = g_quark_from_string(null_term_name); | |
1213 | // #endif //0 | |
1214 | ||
1215 | process.setName(getAFieldString(trcEvent, traceSt, | |
1216 | Fields.LTT_FIELD_FILENAME)); | |
1217 | process.setBrand(StateStrings.LTTV_STATE_UNBRANDED); | |
1218 | return false; | |
1219 | ||
1220 | } | |
1221 | }; | |
1222 | return handler; | |
1223 | } | |
1224 | ||
1225 | /** | |
1226 | * <p> | |
1227 | * LTT_EVENT_THREAD_BRAND | |
1228 | * </p> | |
1229 | * <p> | |
1230 | * FIELDS: LTT_FIELD_NAME | |
1231 | * </p> | |
1232 | * | |
1233 | * @return | |
1234 | */ | |
1235 | final ILttngEventProcessor GetThreadBrandHandler() { | |
1236 | AbsStateUpdate handler = new AbsStateUpdate() { | |
1237 | ||
1238 | // @Override | |
1239 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
1240 | ||
1241 | String name; | |
1242 | Long cpu = trcEvent.getCpuId(); | |
1243 | LttngProcessState process = traceSt.getRunning_process().get( | |
1244 | cpu); | |
1245 | ||
1246 | name = getAFieldString(trcEvent, traceSt, Fields.LTT_FIELD_NAME); | |
1247 | process.setBrand(name); | |
1248 | return false; | |
1249 | ||
1250 | } | |
1251 | }; | |
1252 | return handler; | |
1253 | } | |
1254 | ||
1255 | /** | |
1256 | * @return | |
1257 | */ | |
1258 | final ILttngEventProcessor getStateDumpEndHandler() { | |
1259 | AbsStateUpdate handler = new AbsStateUpdate() { | |
1260 | ||
1261 | // @Override | |
1262 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
1263 | ||
1264 | /* For all processes */ | |
1265 | /* | |
1266 | * if kernel thread, if stack[0] is unknown, set to syscall | |
1267 | * mode, wait | |
1268 | */ | |
1269 | /* else, if stack[0] is unknown, set to user mode, running */ | |
1270 | LttngProcessState[] processes = traceSt.getProcesses(); | |
1271 | TmfTimestamp time = trcEvent.getTimestamp(); | |
1272 | ||
1273 | for (int pos = 0; pos < processes.length; pos++) { | |
1274 | fix_process(processes[pos], time); | |
1275 | } | |
1276 | ||
1277 | return false; | |
1278 | ||
1279 | } | |
1280 | ||
1281 | /** | |
1282 | * Private method used to establish the first execution state in the | |
1283 | * stack for a given process | |
1284 | * | |
1285 | * @param process | |
1286 | * @param timestamp | |
1287 | */ | |
1288 | private void fix_process(LttngProcessState process, | |
1289 | TmfTimestamp timestamp) { | |
1290 | ||
1291 | LttngExecutionState es; | |
1292 | ||
1293 | if (process.getType() == ProcessType.LTTV_STATE_KERNEL_THREAD) { | |
1294 | es = process.getFirstElementFromExecutionStack(); | |
1295 | ||
1296 | if (es.getExec_mode() == ExecutionMode.LTTV_STATE_MODE_UNKNOWN) { | |
1297 | es.setExec_mode(ExecutionMode.LTTV_STATE_SYSCALL); | |
1298 | es | |
1299 | .setExec_submode(ExecutionSubMode.LTTV_STATE_SUBMODE_NONE | |
1300 | .getInName()); | |
1301 | es.setEntry_Time(timestamp.getValue()); | |
1302 | es.setChange_Time(timestamp.getValue()); | |
1303 | es.setCum_cpu_time(0L); | |
1304 | if (es.getProc_status() == ProcessStatus.LTTV_STATE_UNNAMED) { | |
1305 | es.setProc_status(ProcessStatus.LTTV_STATE_WAIT); | |
1306 | } | |
1307 | } | |
1308 | } else { | |
1309 | es = process.getFirstElementFromExecutionStack(); | |
1310 | if (es.getExec_mode() == ExecutionMode.LTTV_STATE_MODE_UNKNOWN) { | |
1311 | es.setExec_mode(ExecutionMode.LTTV_STATE_USER_MODE); | |
1312 | es | |
1313 | .setExec_submode(ExecutionSubMode.LTTV_STATE_SUBMODE_NONE | |
1314 | .getInName()); | |
1315 | es.setEntry_Time(timestamp.getValue()); | |
1316 | es.setChange_Time(timestamp.getValue()); | |
1317 | es.setCum_cpu_time(0L); | |
1318 | if (es.getProc_status() == ProcessStatus.LTTV_STATE_UNNAMED) { | |
1319 | es.setProc_status(ProcessStatus.LTTV_STATE_RUN); | |
1320 | } | |
1321 | ||
1322 | // If the first element is also the one on top... mean | |
1323 | // we have ONE element on the stack | |
1324 | if (process.getFirstElementFromExecutionStack() == process | |
1325 | .peekFromExecutionStack()) { | |
1326 | /* | |
1327 | * Still in bottom unknown mode, means never did a | |
1328 | * system call May be either in user mode, syscall | |
1329 | * mode, running or waiting. | |
1330 | */ | |
1331 | /* | |
1332 | * FIXME : we may be tagging syscall mode when being | |
1333 | * user mode | |
1334 | */ | |
1335 | // Get a new execution State | |
1336 | es = new LttngExecutionState(); | |
1337 | ||
1338 | // initialize values | |
1339 | es.setExec_mode(ExecutionMode.LTTV_STATE_SYSCALL); | |
1340 | es | |
1341 | .setExec_submode(ExecutionSubMode.LTTV_STATE_SUBMODE_NONE | |
1342 | .getInName()); | |
1343 | es.setEntry_Time(timestamp.getValue()); | |
1344 | es.setChange_Time(timestamp.getValue()); | |
1345 | es.setCum_cpu_time(0L); | |
1346 | es.setProc_status(ProcessStatus.LTTV_STATE_WAIT); | |
1347 | ||
1348 | // Push the new state to the stack | |
1349 | process.pushToExecutionStack(es); | |
1350 | } | |
1351 | } | |
1352 | } | |
1353 | } | |
1354 | }; | |
1355 | return handler; | |
1356 | } | |
1357 | ||
1358 | /** | |
1359 | * <p> | |
1360 | * Handles: LTT_EVENT_PROCESS_STATE | |
1361 | * </p> | |
1362 | * <p> | |
1363 | * FIELDS: LTT_FIELD_PID, LTT_FIELD_PARENT_PID, LTT_FIELD_NAME, | |
1364 | * LTT_FIELD_TYPE, LTT_FIELD_MODE, LTT_FIELD_SUBMODE, LTT_FIELD_STATUS, | |
1365 | * LTT_FIELD_TGID | |
1366 | * </p> | |
1367 | * | |
1368 | * @return | |
1369 | */ | |
1370 | final ILttngEventProcessor getEnumProcessStateHandler() { | |
1371 | AbsStateUpdate handler = new AbsStateUpdate() { | |
1372 | ||
1373 | // @Override | |
1374 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { | |
1375 | ||
1376 | Long parent_pid; | |
1377 | Long pid; | |
1378 | Long tgid; | |
1379 | String command; | |
1380 | Long cpu = trcEvent.getCpuId(); | |
1381 | ||
1382 | LttngProcessState process = traceSt.getRunning_process().get( | |
1383 | cpu); | |
1384 | LttngProcessState parent_process; | |
1385 | String type; | |
1386 | // String mode, submode, status; | |
1387 | LttngExecutionState es; | |
1388 | ||
1389 | /* PID */ | |
1390 | pid = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_PID); | |
1391 | ||
1392 | /* Parent PID */ | |
1393 | parent_pid = getAFieldLong(trcEvent, traceSt, | |
1394 | Fields.LTT_FIELD_PARENT_PID); | |
1395 | ||
1396 | /* Command name */ | |
1397 | command = getAFieldString(trcEvent, traceSt, | |
1398 | Fields.LTT_FIELD_NAME); | |
1399 | ||
1400 | Long typeVal = getAFieldLong(trcEvent, traceSt, | |
1401 | Fields.LTT_FIELD_TYPE); | |
1402 | ||
1403 | type = ProcessType.LTTV_STATE_KERNEL_THREAD.getInName(); | |
1404 | if ((typeVal != null) && (typeVal.longValue() == 0L)) { | |
1405 | type = ProcessType.LTTV_STATE_USER_THREAD.getInName(); | |
1406 | } | |
1407 | ||
1408 | // /* mode */ | |
1409 | // mode = getAFieldString(trcEvent, traceSt, | |
1410 | // Fields.LTT_FIELD_MODE); | |
1411 | // | |
1412 | // /* submode */ | |
1413 | // submode = getAFieldString(trcEvent, traceSt, | |
1414 | // Fields.LTT_FIELD_SUBMODE); | |
1415 | // | |
1416 | // /* status */ | |
1417 | // status = getAFieldString(trcEvent, traceSt, | |
1418 | // Fields.LTT_FIELD_STATUS); | |
1419 | ||
1420 | /* TGID */ | |
1421 | tgid = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_TGID); | |
1422 | if (tgid == null) { | |
1423 | tgid = 0L; | |
1424 | } | |
1425 | ||
1426 | if ((pid != null) && (pid.longValue() == 0L)) { | |
1427 | for (Long acpu : traceSt.getCpu_states().keySet()) { | |
1428 | process = lttv_state_find_process(traceSt, acpu, pid); | |
1429 | if (process != null) { | |
1430 | process.setPpid(parent_pid); | |
1431 | process.setTgid(tgid); | |
1432 | process.setName(command); | |
1433 | process | |
1434 | .setType(ProcessType.LTTV_STATE_KERNEL_THREAD); | |
1435 | } else { | |
1436 | StringBuilder sb = new StringBuilder( | |
1437 | "Unexpected, null process read from the TraceState list of processes, event time: " | |
1438 | + trcEvent.getTimestamp()); | |
1439 | TraceDebug.debug(sb.toString()); | |
1440 | } | |
1441 | } | |
1442 | } else { | |
1443 | /* | |
1444 | * The process might exist if a process was forked while | |
1445 | * performing the state dump. | |
1446 | */ | |
1447 | process = lttv_state_find_process(traceSt, ANY_CPU, pid); | |
1448 | if (process == null) { | |
1449 | parent_process = lttv_state_find_process(traceSt, | |
1450 | ANY_CPU, parent_pid); | |
1451 | TmfTimestamp eventTime = trcEvent.getTimestamp(); | |
1452 | process = create_process(traceSt, cpu, pid, tgid, | |
1453 | command, eventTime); | |
1454 | if (parent_process != null) { | |
1455 | process.setPpid(parent_process.getPid(), eventTime.getValue()); | |
1456 | } | |
1457 | ||
1458 | /* Keep the stack bottom : a running user mode */ | |
1459 | /* | |
1460 | * Disabled because of inconsistencies in the current | |
1461 | * statedump states. | |
1462 | */ | |
1463 | if (type.equals(ProcessType.LTTV_STATE_KERNEL_THREAD | |
1464 | .getInName())) { | |
1465 | /* | |
1466 | * FIXME Kernel thread : can be in syscall or | |
1467 | * interrupt or trap. | |
1468 | */ | |
1469 | /* | |
1470 | * Will cause expected trap when in fact being | |
1471 | * syscall (even after end of statedump event) Will | |
1472 | * cause expected interrupt when being syscall. | |
1473 | * (only before end of statedump event) | |
1474 | */ | |
1475 | // process type is USER_THREAD by default. | |
1476 | process | |
1477 | .setType(ProcessType.LTTV_STATE_KERNEL_THREAD); | |
1478 | ||
1479 | } | |
1480 | ||
1481 | //Only one entry needed in the execution stack | |
1482 | process.popFromExecutionStack(); | |
1483 | es = process.getState(); | |
1484 | es.setExec_mode(ExecutionMode.LTTV_STATE_MODE_UNKNOWN); | |
1485 | es.setProc_status(ProcessStatus.LTTV_STATE_UNNAMED); | |
1486 | es | |
1487 | .setExec_submode(ExecutionSubMode.LTTV_STATE_SUBMODE_UNKNOWN | |
1488 | .getInName()); | |
1489 | // #if 0 | |
1490 | // /* UNKNOWN STATE */ | |
1491 | // { | |
1492 | // es = process->state = | |
1493 | // &g_array_index(process->execution_stack, | |
1494 | // LttvExecutionState, 1); | |
1495 | // es->t = LTTV_STATE_MODE_UNKNOWN; | |
1496 | // es->s = LTTV_STATE_UNNAMED; | |
1497 | // es->n = LTTV_STATE_SUBMODE_UNKNOWN; | |
1498 | // } | |
1499 | // #endif //0 | |
1500 | } else { | |
1501 | /* | |
1502 | * The process has already been created : Probably was | |
1503 | * forked while dumping the process state or was simply | |
1504 | * scheduled in prior to get the state dump event. | |
1505 | */ | |
1506 | process.setPpid(parent_pid); | |
1507 | process.setTgid(tgid); | |
1508 | process.setName(command); | |
1509 | if (type.equals(ProcessType.LTTV_STATE_KERNEL_THREAD | |
1510 | .getInName())) { | |
1511 | process | |
1512 | .setType(ProcessType.LTTV_STATE_KERNEL_THREAD); | |
1513 | } else { | |
1514 | process.setType(ProcessType.LTTV_STATE_USER_THREAD); | |
1515 | } | |
1516 | ||
1517 | // es = | |
1518 | // &g_array_index(process->execution_stack, | |
1519 | // LttvExecutionState, | |
1520 | // 0); | |
1521 | // #if 0 | |
1522 | // if(es->t == LTTV_STATE_MODE_UNKNOWN) { | |
1523 | // if(type == LTTV_STATE_KERNEL_THREAD) | |
1524 | // es->t = LTTV_STATE_SYSCALL; | |
1525 | // else | |
1526 | // es->t = LTTV_STATE_USER_MODE; | |
1527 | // } | |
1528 | // #endif //0 | |
1529 | /* | |
1530 | * Don't mess around with the stack, it will eventually | |
1531 | * become ok after the end of state dump. | |
1532 | */ | |
1533 | } | |
1534 | } | |
1535 | ||
1536 | return false; | |
1537 | ||
1538 | } | |
1539 | }; | |
1540 | return handler; | |
1541 | } | |
1542 | ||
1543 | } |