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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 | *******************************************************************************/ | |
9dbeec54 | 12 | |
5d10d135 ASL |
13 | package org.eclipse.linuxtools.lttng.state.evProcessor.state; |
14 | ||
15 | import java.util.Map; | |
16 | ||
17 | import org.eclipse.linuxtools.lttng.TraceDebug; | |
18 | import org.eclipse.linuxtools.lttng.event.LttngEvent; | |
19 | import org.eclipse.linuxtools.lttng.state.StateStrings; | |
20 | import org.eclipse.linuxtools.lttng.state.StateStrings.BdevMode; | |
21 | import org.eclipse.linuxtools.lttng.state.StateStrings.CpuMode; | |
22 | import org.eclipse.linuxtools.lttng.state.StateStrings.Events; | |
23 | import org.eclipse.linuxtools.lttng.state.StateStrings.ExecutionMode; | |
24 | import org.eclipse.linuxtools.lttng.state.StateStrings.ExecutionSubMode; | |
25 | import org.eclipse.linuxtools.lttng.state.StateStrings.Fields; | |
26 | import org.eclipse.linuxtools.lttng.state.StateStrings.IRQMode; | |
27 | import org.eclipse.linuxtools.lttng.state.StateStrings.ProcessStatus; | |
28 | import org.eclipse.linuxtools.lttng.state.StateStrings.ProcessType; | |
8827c197 | 29 | import org.eclipse.linuxtools.lttng.state.evProcessor.ILttngEventProcessor; |
5d10d135 ASL |
30 | import org.eclipse.linuxtools.lttng.state.model.LTTngCPUState; |
31 | import org.eclipse.linuxtools.lttng.state.model.LttngBdevState; | |
32 | import org.eclipse.linuxtools.lttng.state.model.LttngExecutionState; | |
33 | import org.eclipse.linuxtools.lttng.state.model.LttngIRQState; | |
34 | import org.eclipse.linuxtools.lttng.state.model.LttngProcessState; | |
35 | import org.eclipse.linuxtools.lttng.state.model.LttngSoftIRQState; | |
36 | import org.eclipse.linuxtools.lttng.state.model.LttngTraceState; | |
37 | import org.eclipse.linuxtools.lttng.state.model.LttngTrapState; | |
38 | import org.eclipse.linuxtools.tmf.event.TmfTimestamp; | |
39 | ||
40 | /** | |
41 | * Wraps the creation of individual handlers, each method creates and instance | |
42 | * of the corresponding handler | |
43 | * | |
44 | * @author alvaro | |
45 | * | |
46 | */ | |
47 | class StateUpdateHandlers { | |
48 | ||
8827c197 | 49 | final ILttngEventProcessor getSyscallEntryHandler() { |
5d10d135 ASL |
50 | AbsStateUpdate handler = new AbsStateUpdate() { |
51 | ||
52 | // @Override | |
d4011df2 | 53 | @Override |
5d10d135 ASL |
54 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
55 | ||
56 | Long cpu = trcEvent.getCpuId(); | |
57 | ||
58 | // No syscall_entry update for initialization process | |
59 | LttngProcessState process = traceSt.getRunning_process().get( | |
60 | cpu); | |
61 | if ((process != null) && (process.getPid() != null) | |
62 | && (process.getPid().longValue() == 0L)) { | |
63 | return true; | |
64 | } | |
65 | ||
66 | // Get the expected event field | |
67 | Long syscall = getAFieldLong(trcEvent, traceSt, | |
68 | Fields.LTT_FIELD_SYSCALL_ID); | |
69 | ||
70 | String submode = null; | |
71 | if (syscall == null) { | |
72 | TraceDebug | |
73 | .debug("Syscall Field not found, traceVent time: " | |
74 | + trcEvent.getTimestamp()); | |
75 | } else { | |
76 | submode = traceSt.getSyscall_names().get(syscall); | |
77 | } | |
78 | ||
79 | if (submode == null) { | |
80 | submode = ExecutionSubMode.LTTV_STATE_SUBMODE_UNKNOWN | |
81 | .getInName(); | |
82 | } | |
83 | ||
84 | push_state(cpu, StateStrings.ExecutionMode.LTTV_STATE_SYSCALL, | |
85 | submode, trcEvent.getTimestamp(), traceSt); | |
86 | return false; | |
87 | } | |
88 | }; | |
89 | return handler; | |
90 | } | |
91 | ||
8827c197 | 92 | final ILttngEventProcessor getsySyscallExitHandler() { |
5d10d135 ASL |
93 | AbsStateUpdate handler = new AbsStateUpdate() { |
94 | ||
95 | // @Override | |
d4011df2 | 96 | @Override |
5d10d135 ASL |
97 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
98 | ||
99 | Long cpu = trcEvent.getCpuId(); | |
100 | LttngProcessState process = traceSt.getRunning_process().get( | |
101 | cpu); | |
102 | ||
103 | // No syscall_entry update for initialization process | |
104 | if ((process != null) && (process.getPid() != null) | |
105 | && (process.getPid().longValue() == 0L)) { | |
106 | return true; | |
107 | } | |
108 | ||
109 | pop_state(cpu, StateStrings.ExecutionMode.LTTV_STATE_SYSCALL, | |
110 | traceSt, trcEvent.getTimestamp()); | |
111 | return false; | |
112 | ||
113 | } | |
114 | }; | |
115 | return handler; | |
116 | } | |
117 | ||
118 | /** | |
119 | * Update stacks related to the parsing of an LttngEvent | |
120 | * | |
121 | * @return | |
122 | */ | |
8827c197 | 123 | final ILttngEventProcessor getTrapEntryHandler() { |
5d10d135 ASL |
124 | AbsStateUpdate handler = new AbsStateUpdate() { |
125 | ||
126 | // @Override | |
d4011df2 | 127 | @Override |
5d10d135 ASL |
128 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
129 | Long cpu = trcEvent.getCpuId(); | |
130 | ||
131 | Long trap = getAFieldLong(trcEvent, traceSt, | |
132 | Fields.LTT_FIELD_TRAP_ID); | |
133 | if (trap == null) { | |
134 | TraceDebug | |
135 | .debug("Trap field could not be found, event time: " | |
136 | + trcEvent.getTimestamp()); | |
137 | return true; | |
138 | } | |
139 | ||
140 | // ready the trap submode name | |
141 | String submode = traceSt.getTrap_names().get(trap); | |
142 | ||
143 | if (submode == null) { | |
144 | submode = ExecutionSubMode.LTTV_STATE_SUBMODE_UNKNOWN | |
145 | .getInName(); | |
146 | } | |
147 | ||
148 | /* update process state */ | |
149 | push_state(cpu, StateStrings.ExecutionMode.LTTV_STATE_TRAP, | |
150 | submode, trcEvent.getTimestamp(), traceSt); | |
151 | ||
152 | /* update cpu status */ | |
153 | LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); | |
154 | cpu_push_mode(cpust, StateStrings.CpuMode.LTTV_CPU_TRAP); | |
155 | cpust.pushToTrapStack(trap); /* update trap status */ | |
e31e01e8 | 156 | |
5d10d135 | 157 | // update Trap State |
e31e01e8 FC |
158 | LttngTrapState trap_state = null; |
159 | trap_state = traceSt.getTrap_states().get(trap); | |
160 | ||
161 | // If the trape_state exists, just increment it's counter, | |
162 | // otherwise, create it | |
163 | if ( trap_state == null ) { | |
164 | trap_state = new LttngTrapState(); | |
165 | trap_state.incrementRunning(); | |
166 | traceSt.getTrap_states().put(trap, trap_state); | |
167 | } | |
168 | else { | |
169 | trap_state.incrementRunning(); | |
170 | } | |
171 | ||
5d10d135 ASL |
172 | return false; |
173 | ||
174 | } | |
175 | }; | |
176 | return handler; | |
177 | } | |
178 | ||
179 | /** | |
180 | * | |
181 | * @return | |
182 | */ | |
8827c197 | 183 | final ILttngEventProcessor getTrapExitHandler() { |
5d10d135 ASL |
184 | AbsStateUpdate handler = new AbsStateUpdate() { |
185 | ||
186 | // @Override | |
d4011df2 | 187 | @Override |
5d10d135 ASL |
188 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
189 | ||
190 | Long cpu = trcEvent.getCpuId(); | |
191 | LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); | |
192 | Long trap = cpust.popFromTrapStack(); | |
193 | ||
194 | /* update process state */ | |
195 | pop_state(cpu, ExecutionMode.LTTV_STATE_TRAP, traceSt, trcEvent | |
196 | .getTimestamp()); | |
197 | ||
198 | /* update cpu status */ | |
199 | cpu_pop_mode(cpust); | |
200 | ||
201 | if (trap != -1L) { | |
202 | traceSt.getTrap_states().get(trap).decrementRunning(); | |
203 | } | |
204 | // else { | |
205 | // TraceDebug.debug("remove this line"); | |
206 | // } | |
207 | ||
208 | return false; | |
209 | ||
210 | } | |
211 | }; | |
212 | return handler; | |
213 | } | |
214 | ||
215 | /** | |
216 | * | |
217 | * @return | |
218 | */ | |
8827c197 | 219 | final ILttngEventProcessor getIrqEntryHandler() { |
5d10d135 ASL |
220 | AbsStateUpdate handler = new AbsStateUpdate() { |
221 | ||
222 | // @Override | |
d4011df2 | 223 | @Override |
5d10d135 ASL |
224 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
225 | ||
226 | Long cpu = trcEvent.getCpuId(); | |
227 | ||
228 | Long irq = getAFieldLong(trcEvent, traceSt, | |
229 | Fields.LTT_FIELD_IRQ_ID); | |
8827c197 FC |
230 | if (irq == null || traceSt.getIrq_states().get(irq) == null) { |
231 | if (irq != null) { | |
550d787e | 232 | TraceDebug.debug("Invalid irq (" + irq + "), ts = " + trcEvent.getOriginalTimestamp()); |
8827c197 | 233 | } |
5d10d135 ASL |
234 | return true; |
235 | } | |
236 | ||
237 | String submode; | |
238 | submode = traceSt.getIrq_names().get(irq); | |
239 | ||
240 | if (submode == null) { | |
241 | submode = ExecutionSubMode.LTTV_STATE_SUBMODE_UNKNOWN | |
242 | .getInName(); | |
243 | } | |
244 | ||
245 | /* | |
246 | * Do something with the info about being in user or system mode | |
247 | * when int? | |
248 | */ | |
249 | push_state(cpu, ExecutionMode.LTTV_STATE_IRQ, submode, trcEvent | |
250 | .getTimestamp(), traceSt); | |
251 | ||
252 | /* update cpu state */ | |
253 | LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); | |
254 | cpu_push_mode(cpust, CpuMode.LTTV_CPU_IRQ); /* mode stack */ | |
255 | cpust.pushToIrqStack(irq); /* last irq */ | |
256 | ||
257 | /* udpate irq state */ | |
258 | irq_push_mode(traceSt.getIrq_states().get(irq), | |
259 | IRQMode.LTTV_IRQ_BUSY); | |
260 | return false; | |
261 | ||
262 | } | |
263 | }; | |
264 | return handler; | |
265 | } | |
266 | ||
267 | /** | |
268 | * | |
269 | * @return | |
270 | */ | |
8827c197 | 271 | final ILttngEventProcessor getSoftIrqExitHandler() { |
5d10d135 ASL |
272 | AbsStateUpdate handler = new AbsStateUpdate() { |
273 | ||
274 | // @Override | |
d4011df2 | 275 | @Override |
5d10d135 ASL |
276 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
277 | ||
278 | Long cpu = trcEvent.getCpuId(); | |
279 | LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); | |
280 | Long softirq = cpust.popFromSoftIrqStack(); | |
281 | ||
282 | // Update process status | |
283 | pop_state(cpu, ExecutionMode.LTTV_STATE_SOFT_IRQ, traceSt, | |
284 | trcEvent.getTimestamp()); | |
285 | ||
286 | /* update softirq status */ | |
287 | if (softirq != -1) { | |
288 | LttngSoftIRQState softIrqstate = traceSt | |
289 | .getSoft_irq_states().get(softirq); | |
8827c197 FC |
290 | if (softIrqstate != null) { |
291 | softIrqstate.decrementRunning(); | |
292 | } | |
5d10d135 ASL |
293 | } |
294 | ||
295 | /* update cpu status */ | |
296 | cpu_pop_mode(cpust); | |
297 | ||
298 | return false; | |
299 | } | |
300 | }; | |
301 | return handler; | |
302 | } | |
303 | ||
304 | /** | |
305 | * | |
306 | * @return | |
307 | */ | |
8827c197 | 308 | final ILttngEventProcessor getIrqExitHandler() { |
5d10d135 ASL |
309 | AbsStateUpdate handler = new AbsStateUpdate() { |
310 | ||
311 | // @Override | |
d4011df2 | 312 | @Override |
5d10d135 ASL |
313 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
314 | ||
315 | Long cpu = trcEvent.getCpuId(); | |
316 | ||
317 | /* update process state */ | |
318 | pop_state(cpu, ExecutionMode.LTTV_STATE_IRQ, traceSt, trcEvent | |
319 | .getTimestamp()); | |
320 | ||
321 | /* update cpu status */ | |
322 | LTTngCPUState cpust = traceSt.getCpu_states().get(cpu); | |
323 | cpu_pop_mode(cpust); | |
324 | ||
325 | /* update irq status */ | |
326 | Long last_irq = cpust.popFromIrqStack(); | |
327 | if (last_irq != -1L) { | |
328 | LttngIRQState irq_state = traceSt.getIrq_states().get( | |
329 | last_irq); | |
330 | irq_pop_mode(irq_state); | |
331 | } | |
332 | ||
333 | return false; | |
334 | ||
335 | } | |
336 | }; | |
337 | return handler; | |
338 | } | |
339 | ||
340 | /** | |
341 | * | |
342 | * @return | |
343 | */ | |
8827c197 | 344 | final ILttngEventProcessor getSoftIrqRaiseHandler() { |
5d10d135 ASL |
345 | AbsStateUpdate handler = new AbsStateUpdate() { |
346 | ||
347 | private Events eventType = Events.LTT_EVENT_SOFT_IRQ_RAISE; | |
348 | ||
349 | // @Override | |
d4011df2 | 350 | @Override |
5d10d135 ASL |
351 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
352 | ||
353 | // Long cpu = trcEvent.getCpuId(); | |
354 | ||
355 | // get event field | |
356 | Long softirq = getAFieldLong(trcEvent, traceSt, | |
357 | Fields.LTT_FIELD_SOFT_IRQ_ID); | |
358 | ||
359 | if (softirq == null) { | |
360 | TraceDebug.debug("Soft_irq_id not found in " | |
361 | + eventType.getInName() + " time: " | |
362 | + trcEvent.getTimestamp()); | |
363 | return true; | |
364 | } | |
365 | ||
366 | // String submode; | |
367 | // String[] softIrqNames = traceSt.getSoft_irq_names(); | |
368 | // if (softirq < softIrqNames.length) { | |
369 | // submode = softIrqNames[softirq]; | |
370 | // } else { | |
371 | // submode = "softirq " + softirq; | |
372 | // } | |
373 | ||
374 | /* update softirq status */ | |
375 | /* a soft irq raises are not cumulative */ | |
376 | LttngSoftIRQState irqState = traceSt.getSoft_irq_states().get( | |
377 | softirq); | |
378 | if (irqState != null) { | |
379 | irqState.setPending(1L); | |
380 | } else { | |
381 | TraceDebug | |
382 | .debug("unexpected soft irq id value: " + softirq); | |
383 | } | |
384 | ||
385 | return false; | |
386 | ||
387 | } | |
388 | }; | |
389 | return handler; | |
390 | } | |
391 | ||
392 | /** | |
393 | * | |
394 | * @return | |
395 | */ | |
8827c197 | 396 | final ILttngEventProcessor getSoftIrqEntryHandler() { |
5d10d135 ASL |
397 | AbsStateUpdate handler = new AbsStateUpdate() { |
398 | ||
399 | // @Override | |
d4011df2 | 400 | @Override |
5d10d135 ASL |
401 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
402 | ||
403 | // obtrain cpu | |
404 | Long cpu = trcEvent.getCpuId(); | |
405 | ||
406 | // get event field | |
407 | Long softirq = getAFieldLong(trcEvent, traceSt, | |
408 | Fields.LTT_FIELD_SOFT_IRQ_ID); | |
409 | ||
410 | if (softirq == null) { | |
411 | TraceDebug.debug("Soft IRQ ID not found, eventTime: " | |
412 | + trcEvent.getTimestamp()); | |
413 | return true; | |
414 | } | |
415 | ||
416 | // obtain submode | |
417 | Map<Long, String> softIrqNames = traceSt.getSoft_irq_names(); | |
418 | String submode = softIrqNames.get(softirq); | |
419 | if (submode == null) { | |
420 | submode = "softirq " + softirq; | |
421 | softIrqNames.put(softirq, submode); | |
422 | } | |
423 | ||
424 | /* update softirq status */ | |
425 | LttngSoftIRQState irqState = traceSt.getSoft_irq_states().get( | |
426 | softirq); | |
427 | if (irqState != null) { | |
428 | irqState.decrementPending(); | |
429 | irqState.incrementRunning(); | |
430 | } else { | |
431 | TraceDebug | |
432 | .debug("unexpected soft irq id value: " + softirq); | |
433 | } | |
434 | ||
435 | /* update cpu state */ | |
436 | LTTngCPUState cpu_state = traceSt.getCpu_states().get(cpu); | |
437 | cpu_state.pushToSoftIrqStack(softirq); | |
438 | cpu_push_mode(cpu_state, CpuMode.LTTV_CPU_SOFT_IRQ); | |
439 | ||
440 | /* update process execution mode state stack */ | |
441 | push_state(cpu, ExecutionMode.LTTV_STATE_SOFT_IRQ, submode, | |
442 | trcEvent.getTimestamp(), traceSt); | |
443 | ||
444 | return false; | |
445 | ||
446 | } | |
447 | }; | |
448 | return handler; | |
449 | } | |
450 | ||
451 | /** | |
452 | * Method to handle the event: LTT_EVENT_LIST_INTERRRUPT | |
453 | * | |
454 | * @return | |
455 | */ | |
8827c197 | 456 | final ILttngEventProcessor getEnumInterruptHandler() { |
5d10d135 ASL |
457 | AbsStateUpdate handler = new AbsStateUpdate() { |
458 | ||
459 | private Events eventType = Events.LTT_EVENT_LIST_INTERRUPT; | |
460 | ||
461 | // @Override | |
d4011df2 | 462 | @Override |
5d10d135 ASL |
463 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
464 | String action = getAFieldString(trcEvent, traceSt, | |
465 | Fields.LTT_FIELD_ACTION); | |
466 | Long irq = getAFieldLong(trcEvent, traceSt, | |
467 | Fields.LTT_FIELD_IRQ_ID); | |
468 | ||
63eecb47 | 469 | if (action == null) { |
5d10d135 ASL |
470 | TraceDebug.debug("Field Action not found in event " |
471 | + eventType.getInName() + " time: " | |
472 | + trcEvent.getTimestamp()); | |
473 | return true; | |
474 | } | |
475 | ||
63eecb47 | 476 | if (irq == null) { |
5d10d135 ASL |
477 | TraceDebug.debug("Field irq_id not found in event " |
478 | + eventType.getInName() + " time: " | |
479 | + trcEvent.getTimestamp()); | |
480 | return true; | |
481 | } | |
482 | ||
483 | Map<Long, String> irq_names = traceSt.getIrq_names(); | |
484 | ||
485 | irq_names.put(irq, action); | |
486 | return false; | |
487 | ||
488 | } | |
489 | }; | |
490 | return handler; | |
491 | } | |
492 | ||
493 | /** | |
494 | * Handle the event LTT_EVENT_REQUEST_ISSUE | |
495 | * | |
496 | * @return | |
497 | */ | |
8827c197 | 498 | final ILttngEventProcessor getBdevRequestIssueHandler() { |
5d10d135 ASL |
499 | AbsStateUpdate handler = new AbsStateUpdate() { |
500 | ||
501 | // @Override | |
d4011df2 | 502 | @Override |
5d10d135 ASL |
503 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
504 | ||
505 | // Get Fields | |
506 | Long major = getAFieldLong(trcEvent, traceSt, | |
507 | Fields.LTT_FIELD_MAJOR); | |
508 | Long minor = getAFieldLong(trcEvent, traceSt, | |
509 | Fields.LTT_FIELD_MINOR); | |
510 | Long operation = getAFieldLong(trcEvent, traceSt, | |
511 | Fields.LTT_FIELD_OPERATION); | |
512 | ||
513 | // calculate bdevcode | |
514 | Long devcode = mkdev(major, minor); | |
515 | ||
516 | if (devcode == null) { | |
517 | TraceDebug | |
518 | .debug("incorrect calcualtion of bdevcode input( major: " | |
519 | + major | |
520 | + " minor: " | |
521 | + minor | |
522 | + " operation: " + operation); | |
523 | return true; | |
524 | } | |
525 | ||
526 | Map<Long, LttngBdevState> bdev_states = traceSt | |
527 | .getBdev_states(); | |
528 | // Get the instance | |
529 | LttngBdevState bdevState = bdev_states.get(devcode); | |
530 | if (bdevState == null) { | |
531 | bdevState = new LttngBdevState(); | |
532 | } | |
533 | ||
534 | // update the mode in the stack | |
535 | if (operation == 0L) { | |
536 | bdevState.pushToBdevStack(BdevMode.LTTV_BDEV_BUSY_READING); | |
537 | } else { | |
538 | bdevState.pushToBdevStack(BdevMode.LTTV_BDEV_BUSY_WRITING); | |
539 | } | |
540 | ||
541 | // make sure it is included in the set | |
542 | bdev_states.put(devcode, bdevState); | |
543 | return false; | |
544 | ||
545 | } | |
546 | }; | |
547 | return handler; | |
548 | } | |
549 | ||
550 | /** | |
551 | * <p> | |
552 | * Handling event: LTT_EVENT_REQUEST_COMPLETE | |
553 | * </p> | |
554 | * <p> | |
555 | * FIELDS(LTT_FIELD_MAJOR, LTT_FIELD_MINOR, LTT_FIELD_OPERATION | |
556 | * </p> | |
557 | * | |
558 | * @return | |
559 | */ | |
8827c197 | 560 | final ILttngEventProcessor getBdevRequestCompleteHandler() { |
5d10d135 ASL |
561 | AbsStateUpdate handler = new AbsStateUpdate() { |
562 | ||
563 | // @Override | |
d4011df2 | 564 | @Override |
5d10d135 ASL |
565 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
566 | ||
567 | // Get Fields | |
568 | Long major = getAFieldLong(trcEvent, traceSt, | |
569 | Fields.LTT_FIELD_MAJOR); | |
570 | Long minor = getAFieldLong(trcEvent, traceSt, | |
571 | Fields.LTT_FIELD_MINOR); | |
572 | Long operation = getAFieldLong(trcEvent, traceSt, | |
573 | Fields.LTT_FIELD_OPERATION); | |
574 | ||
575 | // calculate bdevcode | |
576 | Long devcode = mkdev(major, minor); | |
577 | ||
578 | if (devcode == null) { | |
579 | TraceDebug | |
580 | .debug("incorrect calcualtion of bdevcode input( major: " | |
581 | + major | |
582 | + " minor: " | |
583 | + minor | |
584 | + " operation: " + operation); | |
585 | return true; | |
586 | } | |
587 | ||
588 | Map<Long, LttngBdevState> bdev_states = traceSt | |
589 | .getBdev_states(); | |
590 | // Get the instance | |
591 | LttngBdevState bdevState = bdev_states.get(devcode); | |
592 | if (bdevState == null) { | |
593 | bdevState = new LttngBdevState(); | |
594 | } | |
595 | ||
596 | /* update block device */ | |
597 | bdev_pop_mode(bdevState); | |
598 | ||
599 | return false; | |
600 | ||
601 | } | |
602 | }; | |
603 | return handler; | |
604 | } | |
605 | ||
606 | /** | |
607 | * <p> | |
608 | * Handles event: LTT_EVENT_FUNCTION_ENTRY | |
609 | * </p> | |
610 | * <p> | |
611 | * FIELDS: LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE | |
612 | * </p> | |
613 | * | |
614 | * @return | |
615 | */ | |
8827c197 | 616 | final ILttngEventProcessor getFunctionEntryHandler() { |
5d10d135 ASL |
617 | AbsStateUpdate handler = new AbsStateUpdate() { |
618 | ||
619 | // @Override | |
d4011df2 | 620 | @Override |
5d10d135 ASL |
621 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
622 | Long cpu = trcEvent.getCpuId(); | |
623 | Long funcptr = getAFieldLong(trcEvent, traceSt, | |
624 | Fields.LTT_FIELD_THIS_FN); | |
625 | ||
626 | push_function(traceSt, funcptr, cpu); | |
627 | return false; | |
628 | ||
629 | } | |
630 | }; | |
631 | return handler; | |
632 | } | |
633 | ||
634 | /** | |
635 | * | |
636 | * @return | |
637 | */ | |
8827c197 | 638 | final ILttngEventProcessor getFunctionExitHandler() { |
5d10d135 ASL |
639 | AbsStateUpdate handler = new AbsStateUpdate() { |
640 | ||
641 | // @Override | |
d4011df2 | 642 | @Override |
5d10d135 ASL |
643 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
644 | ||
645 | Long funcptr = getAFieldLong(trcEvent, traceSt, | |
646 | Fields.LTT_FIELD_THIS_FN); | |
647 | ||
648 | pop_function(traceSt, trcEvent, funcptr); | |
649 | return false; | |
650 | ||
651 | } | |
652 | }; | |
653 | return handler; | |
654 | } | |
655 | ||
656 | /** | |
657 | * <p> | |
658 | * process event: LTT_EVENT_SYS_CALL_TABLE | |
659 | * </p> | |
660 | * <p> | |
661 | * fields: LTT_FIELD_ID, LTT_FIELD_ADDRESS, LTT_FIELD_SYMBOL | |
662 | * </p> | |
663 | * | |
664 | * @return | |
665 | */ | |
8827c197 | 666 | final ILttngEventProcessor getDumpSyscallHandler() { |
5d10d135 ASL |
667 | AbsStateUpdate handler = new AbsStateUpdate() { |
668 | ||
669 | // @Override | |
d4011df2 | 670 | @Override |
5d10d135 ASL |
671 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
672 | // obtain the syscall id | |
673 | Long id = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_ID); | |
674 | ||
675 | // Long address = getAFieldLong(trcEvent, traceSt, | |
676 | // Fields.LTT_FIELD_ADDRESS); | |
677 | ||
678 | // Obtain the symbol | |
679 | String symbol = getAFieldString(trcEvent, traceSt, | |
680 | Fields.LTT_FIELD_SYMBOL); | |
681 | ||
682 | // fill the symbol to the sycall_names collection | |
683 | traceSt.getSyscall_names().put(id, symbol); | |
684 | ||
685 | return false; | |
686 | } | |
687 | }; | |
688 | return handler; | |
689 | } | |
690 | ||
691 | /** | |
692 | * <p> | |
693 | * Handles event: LTT_EVENT_KPROBE_TABLE | |
694 | * </p> | |
695 | * <p> | |
696 | * Fields: LTT_FIELD_IP, LTT_FIELD_SYMBOL | |
697 | * </p> | |
698 | * | |
699 | * @return | |
700 | */ | |
8827c197 | 701 | final ILttngEventProcessor getDumpKprobeHandler() { |
5d10d135 ASL |
702 | AbsStateUpdate handler = new AbsStateUpdate() { |
703 | ||
704 | // @Override | |
d4011df2 | 705 | @Override |
5d10d135 ASL |
706 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
707 | ||
708 | Long ip = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_IP); | |
709 | String symbol = getAFieldString(trcEvent, traceSt, | |
710 | Fields.LTT_FIELD_SYMBOL); | |
711 | ||
712 | traceSt.getKprobe_table().put(ip, symbol); | |
713 | ||
714 | return false; | |
715 | ||
716 | } | |
717 | }; | |
718 | return handler; | |
719 | } | |
720 | ||
721 | /** | |
722 | * <p> | |
723 | * Handles: LTT_EVENT_SOFTIRQ_VEC | |
724 | * </p> | |
725 | * <p> | |
726 | * Fields: LTT_FIELD_ID, LTT_FIELD_ADDRESS, LTT_FIELD_SYMBOL | |
727 | * </p> | |
728 | * | |
729 | * @return | |
730 | */ | |
8827c197 | 731 | final ILttngEventProcessor getDumpSoftIrqHandler() { |
5d10d135 ASL |
732 | AbsStateUpdate handler = new AbsStateUpdate() { |
733 | ||
734 | // @Override | |
d4011df2 | 735 | @Override |
5d10d135 ASL |
736 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
737 | ||
738 | // Get id | |
739 | Long id = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_ID); | |
740 | ||
741 | // Address not needed | |
742 | // Long address = ltt_event_get_long_unsigned(e, | |
743 | // lttv_trace_get_hook_field(th, | |
744 | // 1)); | |
745 | ||
746 | // Get symbol | |
747 | String symbol = getAFieldString(trcEvent, traceSt, | |
748 | Fields.LTT_FIELD_SYMBOL); | |
749 | ||
750 | // Register the soft irq name | |
751 | traceSt.getSoft_irq_names().put(id, symbol); | |
752 | return false; | |
753 | ||
754 | } | |
755 | }; | |
756 | return handler; | |
757 | } | |
758 | ||
759 | /** | |
760 | * <p> | |
761 | * Handles: LTT_EVENT_SCHED_SCHEDULE | |
762 | * </p> | |
763 | * <p> | |
764 | * Fields: LTT_FIELD_PREV_PID, LTT_FIELD_NEXT_PID, LTT_FIELD_PREV_STATE | |
765 | * </p> | |
766 | * | |
767 | * @return | |
768 | */ | |
8827c197 | 769 | final ILttngEventProcessor getSchedChangeHandler() { |
5d10d135 ASL |
770 | AbsStateUpdate handler = new AbsStateUpdate() { |
771 | ||
772 | // @Override | |
d4011df2 | 773 | @Override |
5d10d135 ASL |
774 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
775 | ||
776 | Long cpu = trcEvent.getCpuId(); | |
777 | TmfTimestamp eventTime = trcEvent.getTimestamp(); | |
778 | ||
779 | LttngProcessState process = traceSt.getRunning_process().get( | |
780 | cpu); | |
781 | ||
782 | Long pid_out = getAFieldLong(trcEvent, traceSt, | |
783 | Fields.LTT_FIELD_PREV_PID); | |
784 | Long pid_in = getAFieldLong(trcEvent, traceSt, | |
785 | Fields.LTT_FIELD_NEXT_PID); | |
786 | Long state_out = getAFieldLong(trcEvent, traceSt, | |
787 | Fields.LTT_FIELD_PREV_STATE); | |
788 | ||
789 | if (process != null) { | |
790 | ||
791 | /* | |
792 | * We could not know but it was not the idle process | |
793 | * executing. This should only happen at the beginning, | |
794 | * before the first schedule event, and when the initial | |
795 | * information (current process for each CPU) is missing. It | |
796 | * is not obvious how we could, after the fact, compensate | |
797 | * the wrongly attributed statistics. | |
798 | */ | |
799 | ||
800 | // This test only makes sense once the state is known and if | |
801 | // there | |
802 | // is no | |
803 | // missing events. We need to silently ignore schedchange | |
804 | // coming | |
805 | // after a | |
806 | // process_free, or it causes glitches. (FIXME) | |
807 | // if(unlikely(process->pid != pid_out)) { | |
808 | // g_assert(process->pid == 0); | |
809 | // } | |
810 | if ((process.getPid().longValue() == 0L) | |
811 | && (process.getState().getExec_mode() == ExecutionMode.LTTV_STATE_MODE_UNKNOWN)) { | |
812 | if ((pid_out != null) && (pid_out.longValue() == 0L)) { | |
813 | /* | |
814 | * Scheduling out of pid 0 at beginning of the trace | |
815 | * : we know for sure it is in syscall mode at this | |
816 | * point. | |
817 | */ | |
818 | ||
819 | process.getState().setExec_mode( | |
820 | ExecutionMode.LTTV_STATE_SYSCALL); | |
821 | process.getState().setProc_status( | |
822 | ProcessStatus.LTTV_STATE_WAIT); | |
823 | process.getState().setChange_Time( | |
28b94d61 | 824 | trcEvent.getTimestamp().getValue()); |
5d10d135 | 825 | process.getState().setEntry_Time( |
28b94d61 | 826 | trcEvent.getTimestamp().getValue()); |
5d10d135 ASL |
827 | } |
828 | } else { | |
829 | if (process.getState().getProc_status() == ProcessStatus.LTTV_STATE_EXIT) { | |
830 | process.getState().setProc_status( | |
831 | ProcessStatus.LTTV_STATE_ZOMBIE); | |
832 | process.getState().setChange_Time( | |
28b94d61 | 833 | trcEvent.getTimestamp().getValue()); |
5d10d135 ASL |
834 | } else { |
835 | if ((state_out != null) | |
836 | && (state_out.longValue() == 0L)) { | |
837 | process.getState().setProc_status( | |
838 | ProcessStatus.LTTV_STATE_WAIT_CPU); | |
839 | } else { | |
840 | process.getState().setProc_status( | |
841 | ProcessStatus.LTTV_STATE_WAIT); | |
842 | } | |
843 | ||
844 | process.getState().setChange_Time( | |
28b94d61 | 845 | trcEvent.getTimestamp().getValue()); |
5d10d135 ASL |
846 | } |
847 | ||
848 | if ((state_out != null) | |
849 | && (state_out == 32L || state_out == 64L)) { /* | |
850 | * EXIT_DEAD | |
851 | * || | |
852 | * TASK_DEAD | |
853 | */ | |
854 | /* see sched.h for states */ | |
855 | if (!exit_process(traceSt, process)) { | |
856 | process.getState().setProc_status( | |
857 | ProcessStatus.LTTV_STATE_DEAD); | |
858 | process.getState().setChange_Time( | |
28b94d61 | 859 | trcEvent.getTimestamp().getValue()); |
5d10d135 ASL |
860 | } |
861 | } | |
862 | } | |
863 | } | |
864 | process = lttv_state_find_process_or_create(traceSt, cpu, | |
865 | pid_in, eventTime); | |
866 | ||
867 | traceSt.getRunning_process().put(cpu, process); | |
868 | ||
869 | process.getState().setProc_status(ProcessStatus.LTTV_STATE_RUN); | |
28b94d61 | 870 | process.getState().setChange_Time(eventTime.getValue()); |
5d10d135 ASL |
871 | process.setCpu(cpu); |
872 | // process->state->s = LTTV_STATE_RUN; | |
873 | // if(process->usertrace) | |
874 | // process->usertrace->cpu = cpu; | |
875 | // process->last_cpu_index = | |
876 | // ltt_tracefile_num(((LttvTracefileContext*)s)->tf); | |
877 | ||
878 | // process->state->change = s->parent.timestamp; | |
879 | ||
880 | LTTngCPUState cpu_state = traceSt.getCpu_states().get(cpu); | |
881 | /* update cpu status */ | |
882 | if ((pid_in != null) && (pid_in.longValue() == 0L)) { | |
883 | ||
884 | /* going to idle task */ | |
885 | cpu_set_base_mode(cpu_state, CpuMode.LTTV_CPU_IDLE); | |
886 | } else { | |
887 | /* | |
888 | * scheduling a real task. we must be careful here: if we | |
889 | * just schedule()'ed to a process that is in a trap, we | |
890 | * must put the cpu in trap mode | |
891 | */ | |
892 | cpu_set_base_mode(cpu_state, CpuMode.LTTV_CPU_BUSY); | |
893 | if (process.getState().getExec_mode() == ExecutionMode.LTTV_STATE_TRAP) { | |
894 | cpu_push_mode(cpu_state, CpuMode.LTTV_CPU_TRAP); | |
895 | } | |
896 | } | |
897 | return false; | |
898 | ||
899 | } | |
900 | }; | |
901 | return handler; | |
902 | } | |
903 | ||
904 | /** | |
905 | * <p> | |
906 | * Handles: LTT_EVENT_PROCESS_FORK | |
907 | * </p> | |
908 | * <p> | |
909 | * Fields: FIELD_ARRAY(LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID, | |
910 | * LTT_FIELD_CHILD_TGID) | |
911 | * </p> | |
912 | * | |
913 | * @return | |
914 | */ | |
8827c197 | 915 | final ILttngEventProcessor getProcessForkHandler() { |
5d10d135 ASL |
916 | AbsStateUpdate handler = new AbsStateUpdate() { |
917 | ||
918 | // @Override | |
d4011df2 | 919 | @Override |
5d10d135 ASL |
920 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
921 | ||
922 | Long cpu = trcEvent.getCpuId(); | |
923 | LttngProcessState process = traceSt.getRunning_process().get( | |
924 | cpu); | |
925 | TmfTimestamp timeStamp = trcEvent.getTimestamp(); | |
926 | ||
927 | // /* Parent PID */ | |
928 | // Long parent_pid = getAFieldLong(trcEvent, traceSt, | |
929 | // Fields.LTT_FIELD_PARENT_PID); | |
930 | ||
931 | /* Child PID */ | |
932 | /* In the Linux Kernel, there is one PID per thread. */ | |
933 | Long child_pid = getAFieldLong(trcEvent, traceSt, | |
934 | Fields.LTT_FIELD_CHILD_PID); | |
935 | ||
936 | /* Child TGID */ | |
937 | /* tgid in the Linux kernel is the "real" POSIX PID. */ | |
938 | Long child_tgid = getAFieldLong(trcEvent, traceSt, | |
939 | Fields.LTT_FIELD_CHILD_TGID); | |
940 | if (child_tgid == null) { | |
941 | child_tgid = 0L; | |
942 | } | |
943 | ||
944 | /* | |
945 | * Mathieu : it seems like the process might have been scheduled | |
946 | * in before the fork, and, in a rare case, might be the current | |
947 | * process. This might happen in a SMP case where we don't have | |
948 | * enough precision on the clocks. | |
949 | * | |
950 | * Test reenabled after precision fixes on time. (Mathieu) | |
951 | */ | |
952 | // #if 0 | |
953 | // zombie_process = lttv_state_find_process(ts, ANY_CPU, | |
954 | // child_pid); | |
955 | // | |
956 | // if(unlikely(zombie_process != NULL)) { | |
957 | // /* Reutilisation of PID. Only now we are sure that the old | |
958 | // PID | |
959 | // * has been released. FIXME : should know when release_task | |
960 | // happens | |
961 | // instead. | |
962 | // */ | |
963 | // guint num_cpus = ltt_trace_get_num_cpu(ts->parent.t); | |
964 | // guint i; | |
965 | // for(i=0; i< num_cpus; i++) { | |
966 | // g_assert(zombie_process != ts->running_process[i]); | |
967 | // } | |
968 | // | |
969 | // exit_process(s, zombie_process); | |
970 | // } | |
971 | // #endif //0 | |
972 | ||
973 | if (process.getPid().equals(child_pid)) { | |
974 | TraceDebug | |
975 | .debug("Unexpected, process pid equal to child pid: " | |
976 | + child_pid | |
977 | + " Event Time: " | |
978 | + trcEvent.getTimestamp()); | |
979 | } | |
980 | ||
981 | // g_assert(process->pid != child_pid); | |
982 | // FIXME : Add this test in the "known state" section | |
983 | // g_assert(process->pid == parent_pid); | |
984 | LttngProcessState child_process = lttv_state_find_process( | |
985 | traceSt, ANY_CPU, child_pid); | |
986 | if (child_process == null) { | |
987 | child_process = create_process(traceSt, cpu, child_pid, | |
988 | child_tgid, timeStamp); | |
28b94d61 | 989 | child_process.setPpid(process.getPid(), timeStamp.getValue()); |
5d10d135 ASL |
990 | } else { |
991 | /* | |
992 | * The process has already been created : due to time | |
993 | * imprecision between multiple CPUs : it has been scheduled | |
994 | * in before creation. Note that we shouldn't have this kind | |
995 | * of imprecision. | |
996 | * | |
997 | * Simply put a correct parent. | |
998 | */ | |
999 | StringBuilder sb = new StringBuilder("Process " + child_pid); | |
1000 | sb.append(" has been created at [" | |
1001 | + child_process.getCreation_time() + "] "); | |
1002 | sb.append("and inserted at [" | |
1003 | + child_process.getInsertion_time() + "] "); | |
1004 | sb.append("before \nfork on cpu " + cpu + " Event time: [" | |
1005 | + trcEvent + "]\n."); | |
1006 | sb | |
1007 | .append("Probably an unsynchronized TSD problem on the traced machine."); | |
1008 | TraceDebug.debug(sb.toString()); | |
1009 | ||
1010 | // g_assert(0); /* This is a problematic case : the process | |
1011 | // has | |
1012 | // beencreated | |
1013 | // before the fork event */ | |
1014 | child_process.setPpid(process.getPid()); | |
1015 | child_process.setTgid(child_tgid); | |
1016 | } | |
1017 | ||
1018 | if (!child_process.getName().equals( | |
1019 | ProcessStatus.LTTV_STATE_UNNAMED.getInName())) { | |
1020 | TraceDebug.debug("Unexpected child process status: " | |
1021 | + child_process.getName()); | |
1022 | } | |
1023 | ||
1024 | child_process.setName(process.getName()); | |
1025 | child_process.setBrand(process.getBrand()); | |
1026 | ||
1027 | return false; | |
1028 | ||
1029 | } | |
1030 | }; | |
1031 | return handler; | |
1032 | } | |
1033 | ||
1034 | /** | |
1035 | * <p> | |
1036 | * Handles: LTT_EVENT_KTHREAD_CREATE | |
1037 | * </p> | |
1038 | * <p> | |
1039 | * Fields: LTT_FIELD_PID | |
1040 | * </p> | |
1041 | * | |
1042 | * @return | |
1043 | */ | |
8827c197 | 1044 | final ILttngEventProcessor getProcessKernelThreadHandler() { |
5d10d135 ASL |
1045 | AbsStateUpdate handler = new AbsStateUpdate() { |
1046 | ||
1047 | // @Override | |
d4011df2 | 1048 | @Override |
5d10d135 ASL |
1049 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
1050 | /* | |
1051 | * We stamp a newly created process as kernel_thread. The thread | |
1052 | * should not be running yet. | |
1053 | */ | |
1054 | ||
1055 | LttngExecutionState exState; | |
1056 | Long pid; | |
1057 | LttngProcessState process; | |
1058 | ||
1059 | /* PID */ | |
1060 | pid = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_PID); | |
1061 | // s->parent.target_pid = pid; | |
1062 | ||
1063 | process = lttv_state_find_process_or_create(traceSt, ANY_CPU, | |
1064 | pid, new TmfTimestamp()); | |
1065 | ||
1066 | if (!process.getState().getProc_status().equals( | |
1067 | ProcessStatus.LTTV_STATE_DEAD)) { | |
1068 | // Leave only the first element in the stack with execution | |
1069 | // mode to | |
1070 | // syscall | |
1071 | exState = process.getFirstElementFromExecutionStack(); | |
1072 | exState.setExec_mode(ExecutionMode.LTTV_STATE_SYSCALL); | |
1073 | process.clearExecutionStack(); | |
1074 | process.pushToExecutionStack(exState); | |
1075 | } | |
1076 | ||
1077 | process.setType(ProcessType.LTTV_STATE_KERNEL_THREAD); | |
1078 | ||
1079 | return false; | |
1080 | ||
1081 | } | |
1082 | }; | |
1083 | return handler; | |
1084 | } | |
1085 | ||
1086 | /** | |
1087 | * <p> | |
1088 | * Handles: LTT_EVENT_PROCESS_EXIT | |
1089 | * </p> | |
1090 | * <p> | |
1091 | * LTT_FIELD_PID | |
1092 | * </p> | |
1093 | * | |
1094 | * @return | |
1095 | */ | |
8827c197 | 1096 | final ILttngEventProcessor getProcessExitHandler() { |
5d10d135 ASL |
1097 | AbsStateUpdate handler = new AbsStateUpdate() { |
1098 | ||
1099 | // @Override | |
d4011df2 | 1100 | @Override |
5d10d135 ASL |
1101 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
1102 | ||
1103 | Long pid; | |
1104 | LttngProcessState process; | |
1105 | ||
1106 | pid = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_PID); | |
1107 | // s->parent.target_pid = pid; | |
1108 | ||
1109 | // FIXME : Add this test in the "known state" section | |
1110 | // g_assert(process->pid == pid); | |
1111 | ||
1112 | process = lttv_state_find_process(traceSt, ANY_CPU, pid); | |
1113 | if (process != null) { | |
1114 | process.getState().setProc_status( | |
1115 | ProcessStatus.LTTV_STATE_EXIT); | |
1116 | } | |
1117 | return false; | |
1118 | ||
1119 | } | |
1120 | }; | |
1121 | return handler; | |
1122 | } | |
1123 | ||
1124 | /** | |
1125 | * <p> | |
1126 | * Handles: LTT_EVENT_PROCESS_FREE | |
1127 | * </p> | |
1128 | * <p> | |
1129 | * Fields: LTT_FIELD_PID | |
1130 | * </p> | |
1131 | * | |
1132 | * @return | |
1133 | */ | |
8827c197 | 1134 | final ILttngEventProcessor getProcessFreeHandler() { |
5d10d135 ASL |
1135 | AbsStateUpdate handler = new AbsStateUpdate() { |
1136 | ||
1137 | // @Override | |
d4011df2 | 1138 | @Override |
5d10d135 ASL |
1139 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
1140 | ||
1141 | Long release_pid; | |
1142 | LttngProcessState process; | |
1143 | ||
1144 | /* PID of the process to release */ | |
1145 | release_pid = getAFieldLong(trcEvent, traceSt, | |
1146 | Fields.LTT_FIELD_PID); | |
1147 | // s->parent.target_pid = release_pid; | |
1148 | ||
1149 | if ((release_pid != null) && (release_pid.longValue() == 0L)) { | |
1150 | TraceDebug.debug("Unexpected release_pid: 0, Event time: " | |
1151 | + trcEvent.getTimestamp()); | |
1152 | } | |
1153 | ||
1154 | process = lttv_state_find_process(traceSt, ANY_CPU, release_pid); | |
1155 | if (process != null) { | |
1156 | exit_process(traceSt, process); | |
1157 | } | |
1158 | ||
1159 | return false; | |
1160 | // DISABLED | |
1161 | // if(process != null) { | |
1162 | /* | |
1163 | * release_task is happening at kernel level : we can now safely | |
1164 | * release the data structure of the process | |
1165 | */ | |
1166 | // This test is fun, though, as it may happen that | |
1167 | // at time t : CPU 0 : process_free | |
1168 | // at time t+150ns : CPU 1 : schedule out | |
1169 | // Clearly due to time imprecision, we disable it. (Mathieu) | |
1170 | // If this weird case happen, we have no choice but to put the | |
1171 | // Currently running process on the cpu to 0. | |
1172 | // I re-enable it following time precision fixes. (Mathieu) | |
1173 | // Well, in the case where an process is freed by a process on | |
1174 | // another | |
1175 | // CPU | |
1176 | // and still scheduled, it happens that this is the schedchange | |
1177 | // that | |
1178 | // will | |
1179 | // drop the last reference count. Do not free it here! | |
1180 | ||
1181 | // int num_cpus = ltt_trace_get_num_cpu(ts->parent.t); | |
1182 | // guint i; | |
1183 | // for(i=0; i< num_cpus; i++) { | |
1184 | // //g_assert(process != ts->running_process[i]); | |
1185 | // if(process == ts->running_process[i]) { | |
1186 | // //ts->running_process[i] = lttv_state_find_process(ts, i, 0); | |
1187 | // break; | |
1188 | // } | |
1189 | // } | |
1190 | // if(i == num_cpus) /* process is not scheduled */ | |
1191 | // exit_process(s, process); | |
1192 | // } | |
1193 | // | |
1194 | // return false; | |
1195 | ||
1196 | } | |
1197 | }; | |
1198 | return handler; | |
1199 | } | |
1200 | ||
1201 | /** | |
1202 | * <p> | |
1203 | * Handles: LTT_EVENT_EXEC | |
1204 | * </p> | |
1205 | * <p> | |
1206 | * FIELDS: LTT_FIELD_FILENAME | |
1207 | * </p> | |
1208 | * | |
1209 | * @return | |
1210 | */ | |
8827c197 | 1211 | final ILttngEventProcessor getProcessExecHandler() { |
5d10d135 ASL |
1212 | AbsStateUpdate handler = new AbsStateUpdate() { |
1213 | ||
1214 | // @Override | |
d4011df2 | 1215 | @Override |
5d10d135 ASL |
1216 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
1217 | ||
1218 | Long cpu = trcEvent.getCpuId(); | |
1219 | LttngProcessState process = traceSt.getRunning_process().get( | |
1220 | cpu); | |
1221 | ||
1222 | // #if 0//how to use a sequence that must be transformed in a | |
1223 | // string | |
1224 | // /* PID of the process to release */ | |
1225 | // guint64 name_len = ltt_event_field_element_number(e, | |
1226 | // lttv_trace_get_hook_field(th, 0)); | |
1227 | // //name = ltt_event_get_string(e, | |
1228 | // lttv_trace_get_hook_field(th, 0)); | |
1229 | // LttField *child = ltt_event_field_element_select(e, | |
1230 | // lttv_trace_get_hook_field(th, 0), 0); | |
1231 | // gchar *name_begin = | |
1232 | // (gchar*)(ltt_event_data(e)+ltt_event_field_offset(e, child)); | |
1233 | // gchar *null_term_name = g_new(gchar, name_len+1); | |
1234 | // memcpy(null_term_name, name_begin, name_len); | |
1235 | // null_term_name[name_len] = '\0'; | |
1236 | // process->name = g_quark_from_string(null_term_name); | |
1237 | // #endif //0 | |
1238 | ||
1239 | process.setName(getAFieldString(trcEvent, traceSt, | |
1240 | Fields.LTT_FIELD_FILENAME)); | |
1241 | process.setBrand(StateStrings.LTTV_STATE_UNBRANDED); | |
1242 | return false; | |
1243 | ||
1244 | } | |
1245 | }; | |
1246 | return handler; | |
1247 | } | |
1248 | ||
1249 | /** | |
1250 | * <p> | |
1251 | * LTT_EVENT_THREAD_BRAND | |
1252 | * </p> | |
1253 | * <p> | |
1254 | * FIELDS: LTT_FIELD_NAME | |
1255 | * </p> | |
1256 | * | |
1257 | * @return | |
1258 | */ | |
8827c197 | 1259 | final ILttngEventProcessor GetThreadBrandHandler() { |
5d10d135 ASL |
1260 | AbsStateUpdate handler = new AbsStateUpdate() { |
1261 | ||
1262 | // @Override | |
d4011df2 | 1263 | @Override |
5d10d135 ASL |
1264 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
1265 | ||
1266 | String name; | |
1267 | Long cpu = trcEvent.getCpuId(); | |
1268 | LttngProcessState process = traceSt.getRunning_process().get( | |
1269 | cpu); | |
1270 | ||
1271 | name = getAFieldString(trcEvent, traceSt, Fields.LTT_FIELD_NAME); | |
1272 | process.setBrand(name); | |
1273 | return false; | |
1274 | ||
1275 | } | |
1276 | }; | |
1277 | return handler; | |
1278 | } | |
1279 | ||
1280 | /** | |
1281 | * @return | |
1282 | */ | |
8827c197 | 1283 | final ILttngEventProcessor getStateDumpEndHandler() { |
5d10d135 ASL |
1284 | AbsStateUpdate handler = new AbsStateUpdate() { |
1285 | ||
1286 | // @Override | |
d4011df2 | 1287 | @Override |
5d10d135 ASL |
1288 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
1289 | ||
1290 | /* For all processes */ | |
1291 | /* | |
1292 | * if kernel thread, if stack[0] is unknown, set to syscall | |
1293 | * mode, wait | |
1294 | */ | |
1295 | /* else, if stack[0] is unknown, set to user mode, running */ | |
2211df66 | 1296 | LttngProcessState[] processes = traceSt.getProcesses(); |
5d10d135 | 1297 | TmfTimestamp time = trcEvent.getTimestamp(); |
2211df66 FC |
1298 | |
1299 | for (int pos = 0; pos < processes.length; pos++) { | |
1300 | fix_process(processes[pos], time); | |
5d10d135 | 1301 | } |
2211df66 | 1302 | |
9dbeec54 FC |
1303 | // Set the current process to be running |
1304 | // TODO Should we do it for all process running on a cpu? | |
1305 | LttngProcessState process = traceSt.getRunning_process().get(trcEvent.getCpuId()); | |
1306 | process.getState().setProc_status(ProcessStatus.LTTV_STATE_RUN); | |
1307 | ||
5d10d135 ASL |
1308 | return false; |
1309 | ||
1310 | } | |
1311 | ||
1312 | /** | |
1313 | * Private method used to establish the first execution state in the | |
1314 | * stack for a given process | |
1315 | * | |
1316 | * @param process | |
1317 | * @param timestamp | |
1318 | */ | |
1319 | private void fix_process(LttngProcessState process, | |
1320 | TmfTimestamp timestamp) { | |
1321 | ||
1322 | LttngExecutionState es; | |
1323 | ||
1324 | if (process.getType() == ProcessType.LTTV_STATE_KERNEL_THREAD) { | |
1325 | es = process.getFirstElementFromExecutionStack(); | |
1326 | ||
1327 | if (es.getExec_mode() == ExecutionMode.LTTV_STATE_MODE_UNKNOWN) { | |
1328 | es.setExec_mode(ExecutionMode.LTTV_STATE_SYSCALL); | |
1329 | es | |
1330 | .setExec_submode(ExecutionSubMode.LTTV_STATE_SUBMODE_NONE | |
1331 | .getInName()); | |
28b94d61 FC |
1332 | es.setEntry_Time(timestamp.getValue()); |
1333 | es.setChange_Time(timestamp.getValue()); | |
5d10d135 ASL |
1334 | es.setCum_cpu_time(0L); |
1335 | if (es.getProc_status() == ProcessStatus.LTTV_STATE_UNNAMED) { | |
1336 | es.setProc_status(ProcessStatus.LTTV_STATE_WAIT); | |
1337 | } | |
1338 | } | |
1339 | } else { | |
1340 | es = process.getFirstElementFromExecutionStack(); | |
1341 | if (es.getExec_mode() == ExecutionMode.LTTV_STATE_MODE_UNKNOWN) { | |
1342 | es.setExec_mode(ExecutionMode.LTTV_STATE_USER_MODE); | |
1343 | es | |
1344 | .setExec_submode(ExecutionSubMode.LTTV_STATE_SUBMODE_NONE | |
1345 | .getInName()); | |
28b94d61 FC |
1346 | es.setEntry_Time(timestamp.getValue()); |
1347 | es.setChange_Time(timestamp.getValue()); | |
5d10d135 ASL |
1348 | es.setCum_cpu_time(0L); |
1349 | if (es.getProc_status() == ProcessStatus.LTTV_STATE_UNNAMED) { | |
1350 | es.setProc_status(ProcessStatus.LTTV_STATE_RUN); | |
1351 | } | |
1352 | ||
1353 | // If the first element is also the one on top... mean | |
1354 | // we have ONE element on the stack | |
1355 | if (process.getFirstElementFromExecutionStack() == process | |
1356 | .peekFromExecutionStack()) { | |
1357 | /* | |
1358 | * Still in bottom unknown mode, means never did a | |
1359 | * system call May be either in user mode, syscall | |
1360 | * mode, running or waiting. | |
1361 | */ | |
1362 | /* | |
1363 | * FIXME : we may be tagging syscall mode when being | |
1364 | * user mode | |
1365 | */ | |
1366 | // Get a new execution State | |
1367 | es = new LttngExecutionState(); | |
1368 | ||
1369 | // initialize values | |
1370 | es.setExec_mode(ExecutionMode.LTTV_STATE_SYSCALL); | |
1371 | es | |
1372 | .setExec_submode(ExecutionSubMode.LTTV_STATE_SUBMODE_NONE | |
1373 | .getInName()); | |
28b94d61 FC |
1374 | es.setEntry_Time(timestamp.getValue()); |
1375 | es.setChange_Time(timestamp.getValue()); | |
5d10d135 | 1376 | es.setCum_cpu_time(0L); |
63eecb47 | 1377 | es.setProc_status(ProcessStatus.LTTV_STATE_WAIT); |
5d10d135 ASL |
1378 | |
1379 | // Push the new state to the stack | |
1380 | process.pushToExecutionStack(es); | |
1381 | } | |
1382 | } | |
1383 | } | |
1384 | } | |
1385 | }; | |
1386 | return handler; | |
1387 | } | |
1388 | ||
1389 | /** | |
1390 | * <p> | |
1391 | * Handles: LTT_EVENT_PROCESS_STATE | |
1392 | * </p> | |
1393 | * <p> | |
1394 | * FIELDS: LTT_FIELD_PID, LTT_FIELD_PARENT_PID, LTT_FIELD_NAME, | |
1395 | * LTT_FIELD_TYPE, LTT_FIELD_MODE, LTT_FIELD_SUBMODE, LTT_FIELD_STATUS, | |
1396 | * LTT_FIELD_TGID | |
1397 | * </p> | |
1398 | * | |
1399 | * @return | |
1400 | */ | |
8827c197 | 1401 | final ILttngEventProcessor getEnumProcessStateHandler() { |
5d10d135 ASL |
1402 | AbsStateUpdate handler = new AbsStateUpdate() { |
1403 | ||
1404 | // @Override | |
d4011df2 | 1405 | @Override |
5d10d135 ASL |
1406 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
1407 | ||
1408 | Long parent_pid; | |
1409 | Long pid; | |
1410 | Long tgid; | |
1411 | String command; | |
1412 | Long cpu = trcEvent.getCpuId(); | |
28b94d61 | 1413 | |
5d10d135 ASL |
1414 | LttngProcessState process = traceSt.getRunning_process().get( |
1415 | cpu); | |
1416 | LttngProcessState parent_process; | |
1417 | String type; | |
1418 | // String mode, submode, status; | |
1419 | LttngExecutionState es; | |
28b94d61 | 1420 | |
5d10d135 ASL |
1421 | /* PID */ |
1422 | pid = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_PID); | |
1423 | ||
1424 | /* Parent PID */ | |
1425 | parent_pid = getAFieldLong(trcEvent, traceSt, | |
1426 | Fields.LTT_FIELD_PARENT_PID); | |
1427 | ||
1428 | /* Command name */ | |
1429 | command = getAFieldString(trcEvent, traceSt, | |
1430 | Fields.LTT_FIELD_NAME); | |
1431 | ||
1432 | Long typeVal = getAFieldLong(trcEvent, traceSt, | |
1433 | Fields.LTT_FIELD_TYPE); | |
63eecb47 FC |
1434 | |
1435 | type = ProcessType.LTTV_STATE_KERNEL_THREAD.getInName(); | |
5d10d135 ASL |
1436 | if ((typeVal != null) && (typeVal.longValue() == 0L)) { |
1437 | type = ProcessType.LTTV_STATE_USER_THREAD.getInName(); | |
1438 | } | |
1439 | ||
1440 | // /* mode */ | |
1441 | // mode = getAFieldString(trcEvent, traceSt, | |
1442 | // Fields.LTT_FIELD_MODE); | |
1443 | // | |
1444 | // /* submode */ | |
1445 | // submode = getAFieldString(trcEvent, traceSt, | |
1446 | // Fields.LTT_FIELD_SUBMODE); | |
1447 | // | |
1448 | // /* status */ | |
1449 | // status = getAFieldString(trcEvent, traceSt, | |
1450 | // Fields.LTT_FIELD_STATUS); | |
1451 | ||
1452 | /* TGID */ | |
1453 | tgid = getAFieldLong(trcEvent, traceSt, Fields.LTT_FIELD_TGID); | |
1454 | if (tgid == null) { | |
1455 | tgid = 0L; | |
1456 | } | |
1457 | ||
1458 | if ((pid != null) && (pid.longValue() == 0L)) { | |
1459 | for (Long acpu : traceSt.getCpu_states().keySet()) { | |
1460 | process = lttv_state_find_process(traceSt, acpu, pid); | |
1461 | if (process != null) { | |
1462 | process.setPpid(parent_pid); | |
1463 | process.setTgid(tgid); | |
1464 | process.setName(command); | |
1465 | process | |
1466 | .setType(ProcessType.LTTV_STATE_KERNEL_THREAD); | |
1467 | } else { | |
1468 | StringBuilder sb = new StringBuilder( | |
1469 | "Unexpected, null process read from the TraceState list of processes, event time: " | |
1470 | + trcEvent.getTimestamp()); | |
1471 | TraceDebug.debug(sb.toString()); | |
1472 | } | |
1473 | } | |
1474 | } else { | |
1475 | /* | |
1476 | * The process might exist if a process was forked while | |
1477 | * performing the state dump. | |
1478 | */ | |
1479 | process = lttv_state_find_process(traceSt, ANY_CPU, pid); | |
1480 | if (process == null) { | |
1481 | parent_process = lttv_state_find_process(traceSt, | |
1482 | ANY_CPU, parent_pid); | |
41dc35d0 | 1483 | TmfTimestamp eventTime = trcEvent.getTimestamp(); |
5d10d135 | 1484 | process = create_process(traceSt, cpu, pid, tgid, |
41dc35d0 | 1485 | command, eventTime); |
5d10d135 | 1486 | if (parent_process != null) { |
28b94d61 | 1487 | process.setPpid(parent_process.getPid(), eventTime.getValue()); |
5d10d135 ASL |
1488 | } |
1489 | ||
1490 | /* Keep the stack bottom : a running user mode */ | |
1491 | /* | |
1492 | * Disabled because of inconsistencies in the current | |
1493 | * statedump states. | |
1494 | */ | |
1495 | if (type.equals(ProcessType.LTTV_STATE_KERNEL_THREAD | |
1496 | .getInName())) { | |
1497 | /* | |
1498 | * FIXME Kernel thread : can be in syscall or | |
1499 | * interrupt or trap. | |
1500 | */ | |
1501 | /* | |
1502 | * Will cause expected trap when in fact being | |
1503 | * syscall (even after end of statedump event) Will | |
1504 | * cause expected interrupt when being syscall. | |
1505 | * (only before end of statedump event) | |
1506 | */ | |
63eecb47 | 1507 | // process type is USER_THREAD by default. |
5d10d135 ASL |
1508 | process |
1509 | .setType(ProcessType.LTTV_STATE_KERNEL_THREAD); | |
1510 | ||
1511 | } | |
63eecb47 FC |
1512 | |
1513 | //Only one entry needed in the execution stack | |
1514 | process.popFromExecutionStack(); | |
5d10d135 ASL |
1515 | es = process.getState(); |
1516 | es.setExec_mode(ExecutionMode.LTTV_STATE_MODE_UNKNOWN); | |
1517 | es.setProc_status(ProcessStatus.LTTV_STATE_UNNAMED); | |
1518 | es | |
1519 | .setExec_submode(ExecutionSubMode.LTTV_STATE_SUBMODE_UNKNOWN | |
1520 | .getInName()); | |
1521 | // #if 0 | |
1522 | // /* UNKNOWN STATE */ | |
1523 | // { | |
1524 | // es = process->state = | |
1525 | // &g_array_index(process->execution_stack, | |
1526 | // LttvExecutionState, 1); | |
1527 | // es->t = LTTV_STATE_MODE_UNKNOWN; | |
1528 | // es->s = LTTV_STATE_UNNAMED; | |
1529 | // es->n = LTTV_STATE_SUBMODE_UNKNOWN; | |
1530 | // } | |
1531 | // #endif //0 | |
1532 | } else { | |
1533 | /* | |
1534 | * The process has already been created : Probably was | |
1535 | * forked while dumping the process state or was simply | |
1536 | * scheduled in prior to get the state dump event. | |
1537 | */ | |
1538 | process.setPpid(parent_pid); | |
1539 | process.setTgid(tgid); | |
1540 | process.setName(command); | |
1541 | if (type.equals(ProcessType.LTTV_STATE_KERNEL_THREAD | |
1542 | .getInName())) { | |
1543 | process | |
1544 | .setType(ProcessType.LTTV_STATE_KERNEL_THREAD); | |
1545 | } else { | |
1546 | process.setType(ProcessType.LTTV_STATE_USER_THREAD); | |
1547 | } | |
1548 | ||
1549 | // es = | |
1550 | // &g_array_index(process->execution_stack, | |
1551 | // LttvExecutionState, | |
1552 | // 0); | |
1553 | // #if 0 | |
1554 | // if(es->t == LTTV_STATE_MODE_UNKNOWN) { | |
1555 | // if(type == LTTV_STATE_KERNEL_THREAD) | |
1556 | // es->t = LTTV_STATE_SYSCALL; | |
1557 | // else | |
1558 | // es->t = LTTV_STATE_USER_MODE; | |
1559 | // } | |
1560 | // #endif //0 | |
1561 | /* | |
1562 | * Don't mess around with the stack, it will eventually | |
1563 | * become ok after the end of state dump. | |
1564 | */ | |
1565 | } | |
1566 | } | |
1567 | ||
1568 | return false; | |
1569 | ||
1570 | } | |
1571 | }; | |
1572 | return handler; | |
1573 | } | |
1574 | ||
1575 | } |