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1 | /******************************************************************************* |
2 | * Copyright (c) 2012, 2015 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 | * Alexandre Montplaisir - Initial API and implementation | |
11 | ******************************************************************************/ | |
12 | ||
13 | package org.lttng.scope.lttng.kernel.core.trace.layout.internal; | |
14 | ||
15 | import java.util.Collection; | |
16 | import java.util.Collections; | |
17 | ||
18 | import org.eclipse.jdt.annotation.NonNull; | |
19 | import org.lttng.scope.lttng.kernel.core.trace.layout.ILttngKernelEventLayout; | |
20 | ||
21 | import com.google.common.collect.ImmutableList; | |
22 | ||
23 | /** | |
24 | * This file defines all the known event and field names for LTTng kernel | |
25 | * traces, for versions of lttng-modules up to 2.5. | |
26 | * | |
27 | * These should not be externalized, since they need to match exactly what the | |
28 | * tracer outputs. If you want to localize them in a view, you should do a | |
29 | * mapping in the view itself. | |
30 | * | |
31 | * @author Alexandre Montplaisir | |
32 | */ | |
33 | @SuppressWarnings("nls") | |
34 | public class LttngEventLayout implements ILttngKernelEventLayout { | |
35 | ||
36 | /* Event names */ | |
37 | private static final String IRQ_HANDLER_ENTRY = "irq_handler_entry"; | |
38 | private static final String IRQ_HANDLER_EXIT = "irq_handler_exit"; | |
39 | private static final String SOFTIRQ_ENTRY = "softirq_entry"; | |
40 | private static final String SOFTIRQ_EXIT = "softirq_exit"; | |
41 | private static final String SOFTIRQ_RAISE = "softirq_raise"; | |
42 | private static final String HRTIMER_START = "hrtimer_start"; | |
43 | private static final String HRTIMER_CANCEL = "hrtimer_cancel"; | |
44 | private static final String HRTIMER_EXPIRE_ENTRY = "hrtimer_expire_entry"; | |
45 | private static final String HRTIMER_EXPIRE_EXIT = "hrtimer_expire_exit"; | |
46 | private static final String SCHED_SWITCH = "sched_switch"; | |
47 | private static final String SCHED_PI_SETPRIO = "sched_pi_setprio"; | |
48 | ||
49 | private static final String SCHED_TTWU = "sched_ttwu"; | |
50 | private static final String SCHED_WAKEUP = "sched_wakeup"; | |
51 | private static final String SCHED_WAKEUP_NEW = "sched_wakeup_new"; | |
52 | private static final Collection<String> SCHED_WAKEUP_EVENTS = | |
53 | ImmutableList.of(SCHED_WAKEUP, SCHED_WAKEUP_NEW); | |
54 | ||
55 | private static final String SCHED_PROCESS_FORK = "sched_process_fork"; | |
56 | private static final String SCHED_PROCESS_EXIT = "sched_process_exit"; | |
57 | private static final String SCHED_PROCESS_FREE = "sched_process_free"; | |
58 | private static final String SCHED_PROCESS_EXEC = "sched_process_exec"; | |
59 | private static final String STATEDUMP_PROCESS_STATE = "lttng_statedump_process_state"; | |
60 | ||
61 | private static final String SYSCALL_ENTRY_PREFIX = "sys_"; | |
62 | private static final String COMPAT_SYSCALL_ENTRY_PREFIX = "compat_sys_"; | |
63 | private static final String SYSCALL_EXIT_PREFIX = "exit_syscall"; | |
64 | ||
65 | private static final String BLOCK_RQ_INSERT= "block_rq_insert"; | |
66 | private static final String BLOCK_RQ_ISSUE= "block_rq_issue"; | |
67 | private static final String ELV_MERGE_REQUESTS= "addons_elv_merge_requests"; | |
68 | private static final String BLOCK_RQ_COMPLETE= "block_rq_complete"; | |
69 | private static final String LTTNG_STATEDUMP_BLOCK_DEVICE= "lttng_statedump_block_device"; | |
70 | private static final String BLOCK_BIO_FRONTMERGE = "block_bio_frontmerge"; | |
71 | private static final String BLOCK_BIO_BACKMERGE = "block_bio_backmerge"; | |
72 | ||
73 | /* Field names */ | |
74 | private static final String IRQ = "irq"; | |
75 | private static final String TID = "tid"; | |
76 | private static final String VEC = "vec"; | |
77 | private static final String PREV_TID = "prev_tid"; | |
78 | private static final String PREV_STATE = "prev_state"; | |
79 | private static final String NEXT_COMM = "next_comm"; | |
80 | private static final String NEXT_TID = "next_tid"; | |
81 | private static final String PARENT_TID = "parent_tid"; | |
82 | private static final String CHILD_COMM = "child_comm"; | |
83 | private static final String CHILD_TID = "child_tid"; | |
84 | private static final String PRIO = "prio"; | |
85 | private static final String PREV_PRIO = "prev_prio"; | |
86 | private static final String NEXT_PRIO = "next_prio"; | |
87 | private static final String NEW_PRIO = "newprio"; | |
88 | private static final String COMM = "comm"; | |
89 | private static final String NAME = "name"; | |
90 | private static final String STATUS = "status"; | |
91 | private static final String PREV_COMM = "prev_comm"; | |
92 | private static final String FILENAME = "filename"; | |
93 | private static final String HRTIMER = "hrtimer"; | |
94 | private static final String HRTIMER_FUNCTION = "function"; | |
95 | private static final String HRTIMER_EXPIRES = "expires"; | |
96 | private static final String HRTIMER_NOW = "now"; | |
97 | private static final String HRTIMER_SOFT_EXPIRES = "softexpires"; | |
98 | private static final String KMEM_ALLOC = "mm_page_alloc"; | |
99 | private static final String KMEM_FREE = "mm_page_free"; | |
100 | private static final String SYSCALL_RET = "ret"; | |
101 | private static final String RWBS="rwbs"; | |
102 | private static final String DISKNAME="diskname"; | |
103 | private static final String BLOCK_DEV="dev"; | |
104 | private static final String SECTOR="sector"; | |
105 | private static final String NR_SECTOR="nr_sector"; | |
106 | private static final String RQ_SECTOR= "rq_sector"; | |
107 | private static final String NEXTRQ_SECTOR= "nextrq_sector"; | |
108 | private static final String ORDER = "order"; | |
109 | ||
110 | /* Network events and field names */ | |
111 | private static final Collection<String> EVENTS_NETWORK_SEND = Collections.singleton("net_dev_queue"); | |
112 | private static final Collection<String> EVENTS_NETWORK_RECEIVE = Collections.singleton("netif_receive_skb"); | |
113 | private static final String[] TCP_SEQ_FIELD = { "transport_fields", "thtype_tcp", "seq" }; | |
114 | private static final String[] TCP_ACK_FIELD = { "transport_fields", "thtype_tcp", "ack_seq" }; | |
115 | private static final String[] TCP_FLAGS_FIELD = { "transport_fields", "thtype_tcp", "flags" }; | |
116 | ||
117 | /* KVM events */ | |
118 | private static final Collection<String> KVM_ENTRY_EVENTS = Collections.singleton("kvm_entry"); | |
119 | private static final Collection<String> KVM_EXIT_EVENTS = Collections.singleton("kvm_exit"); | |
120 | ||
121 | /** All instances are the same. Only provide a static instance getter */ | |
122 | protected LttngEventLayout() { | |
123 | } | |
124 | ||
125 | private static final ILttngKernelEventLayout INSTANCE = new LttngEventLayout(); | |
126 | ||
127 | /** | |
128 | * Get an instance of this event layout | |
129 | * | |
130 | * This object is completely immutable, so no need to create additional | |
131 | * instances via the constructor. | |
132 | * | |
133 | * @return The instance | |
134 | */ | |
135 | public static ILttngKernelEventLayout getInstance() { | |
136 | return INSTANCE; | |
137 | } | |
138 | ||
139 | // ------------------------------------------------------------------------ | |
140 | // Event names | |
141 | // ------------------------------------------------------------------------ | |
142 | ||
143 | @Override | |
144 | public String eventIrqHandlerEntry() { | |
145 | return IRQ_HANDLER_ENTRY; | |
146 | } | |
147 | ||
148 | @Override | |
149 | public String eventIrqHandlerExit() { | |
150 | return IRQ_HANDLER_EXIT; | |
151 | } | |
152 | ||
153 | @Override | |
154 | public String eventSoftIrqEntry() { | |
155 | return SOFTIRQ_ENTRY; | |
156 | } | |
157 | ||
158 | @Override | |
159 | public String eventSoftIrqExit() { | |
160 | return SOFTIRQ_EXIT; | |
161 | } | |
162 | ||
163 | @Override | |
164 | public String eventSoftIrqRaise() { | |
165 | return SOFTIRQ_RAISE; | |
166 | } | |
167 | ||
168 | @Override | |
169 | public String eventSchedSwitch() { | |
170 | return SCHED_SWITCH; | |
171 | } | |
172 | ||
173 | @Override | |
174 | public String eventSchedPiSetprio() { | |
175 | return SCHED_PI_SETPRIO; | |
176 | } | |
177 | ||
178 | @Override | |
179 | public Collection<String> eventsSchedWakeup() { | |
180 | return SCHED_WAKEUP_EVENTS; | |
181 | } | |
182 | ||
183 | @Override | |
184 | public String eventSchedProcessFork() { | |
185 | return SCHED_PROCESS_FORK; | |
186 | } | |
187 | ||
188 | @Override | |
189 | public String eventSchedProcessExit() { | |
190 | return SCHED_PROCESS_EXIT; | |
191 | } | |
192 | ||
193 | @Override | |
194 | public String eventSchedProcessFree() { | |
195 | return SCHED_PROCESS_FREE; | |
196 | } | |
197 | ||
198 | @Override | |
199 | public @NonNull String eventStatedumpProcessState() { | |
200 | return STATEDUMP_PROCESS_STATE; | |
201 | } | |
202 | ||
203 | @Override | |
204 | public String eventSyscallEntryPrefix() { | |
205 | return SYSCALL_ENTRY_PREFIX; | |
206 | } | |
207 | ||
208 | @Override | |
209 | public String eventCompatSyscallEntryPrefix() { | |
210 | return COMPAT_SYSCALL_ENTRY_PREFIX; | |
211 | } | |
212 | ||
213 | @Override | |
214 | public String eventSyscallExitPrefix() { | |
215 | return SYSCALL_EXIT_PREFIX; | |
216 | } | |
217 | ||
218 | @Override | |
219 | public String eventCompatSyscallExitPrefix() { | |
220 | /* | |
221 | * In LTTng < 2.6, the same generic event name is used for both standard | |
222 | * and compat syscalls. | |
223 | */ | |
224 | return SYSCALL_EXIT_PREFIX; | |
225 | } | |
226 | ||
227 | @Override | |
228 | public String eventKmemPageAlloc() { | |
229 | return KMEM_ALLOC; | |
230 | } | |
231 | ||
232 | @Override | |
233 | public String eventKmemPageFree() { | |
234 | return KMEM_FREE; | |
235 | } | |
236 | ||
237 | // ------------------------------------------------------------------------ | |
238 | // Event field names | |
239 | // ------------------------------------------------------------------------ | |
240 | ||
241 | @Override | |
242 | public String fieldIrq() { | |
243 | return IRQ; | |
244 | } | |
245 | ||
246 | @Override | |
247 | public String fieldVec() { | |
248 | return VEC; | |
249 | } | |
250 | ||
251 | @Override | |
252 | public String fieldTid() { | |
253 | return TID; | |
254 | } | |
255 | ||
256 | @Override | |
257 | public String fieldPrevTid() { | |
258 | return PREV_TID; | |
259 | } | |
260 | ||
261 | @Override | |
262 | public String fieldPrevState() { | |
263 | return PREV_STATE; | |
264 | } | |
265 | ||
266 | @Override | |
267 | public String fieldNextComm() { | |
268 | return NEXT_COMM; | |
269 | } | |
270 | ||
271 | @Override | |
272 | public String fieldNextTid() { | |
273 | return NEXT_TID; | |
274 | } | |
275 | ||
276 | @Override | |
277 | public String fieldChildComm() { | |
278 | return CHILD_COMM; | |
279 | } | |
280 | ||
281 | @Override | |
282 | public String fieldParentTid() { | |
283 | return PARENT_TID; | |
284 | } | |
285 | ||
286 | @Override | |
287 | public String fieldChildTid() { | |
288 | return CHILD_TID; | |
289 | } | |
290 | ||
291 | @Override | |
292 | public String fieldPrio() { | |
293 | return PRIO; | |
294 | } | |
295 | ||
296 | @Override | |
297 | public String fieldNewPrio() { | |
298 | return NEW_PRIO; | |
299 | } | |
300 | ||
301 | @Override | |
302 | public String fieldPrevPrio() { | |
303 | return PREV_PRIO; | |
304 | } | |
305 | ||
306 | @Override | |
307 | public String fieldNextPrio() { | |
308 | return NEXT_PRIO; | |
309 | } | |
310 | ||
311 | @Override | |
312 | public String fieldComm() { | |
313 | return COMM; | |
314 | } | |
315 | ||
316 | @Override | |
317 | public String fieldName() { | |
318 | return NAME; | |
319 | } | |
320 | ||
321 | @Override | |
322 | public String fieldStatus() { | |
323 | return STATUS; | |
324 | } | |
325 | ||
326 | @Override | |
327 | public String fieldPrevComm() { | |
328 | return PREV_COMM; | |
329 | } | |
330 | ||
331 | @Override | |
332 | public String fieldFilename() { | |
333 | return FILENAME; | |
334 | } | |
335 | ||
336 | @Override | |
337 | public String eventSchedProcessExec() { | |
338 | return SCHED_PROCESS_EXEC; | |
339 | } | |
340 | ||
341 | @Override | |
342 | public String eventSchedProcessWakeup() { | |
343 | return SCHED_WAKEUP; | |
344 | } | |
345 | ||
346 | @Override | |
347 | public String eventSchedProcessWakeupNew() { | |
348 | return SCHED_WAKEUP_NEW; | |
349 | } | |
350 | ||
351 | @Override | |
352 | public String eventSchedMigrateTask() { | |
353 | return "sched_migrate_task"; //$NON-NLS-1$ | |
354 | } | |
355 | ||
356 | @Override | |
357 | public String eventHRTimerStart() { | |
358 | return HRTIMER_START; | |
359 | } | |
360 | ||
361 | @Override | |
362 | public String eventHRTimerCancel() { | |
363 | return HRTIMER_CANCEL; | |
364 | } | |
365 | ||
366 | @Override | |
367 | public String eventHRTimerExpireEntry() { | |
368 | return HRTIMER_EXPIRE_ENTRY; | |
369 | } | |
370 | ||
371 | @Override | |
372 | public String eventHRTimerExpireExit() { | |
373 | return HRTIMER_EXPIRE_EXIT; | |
374 | } | |
375 | ||
376 | /** | |
377 | * Event indicating the source of the wakeup signal. | |
378 | * | |
379 | * @return The name of the event | |
380 | */ | |
381 | public String eventSchedProcessTTWU() { | |
382 | return SCHED_TTWU; | |
383 | } | |
384 | ||
385 | @Override | |
386 | public String fieldHRtimer() { | |
387 | return HRTIMER; | |
388 | } | |
389 | @Override | |
390 | public String fieldHRtimerFunction() { | |
391 | return HRTIMER_FUNCTION; | |
392 | } | |
393 | ||
394 | @Override | |
395 | public String fieldHRtimerExpires() { | |
396 | return HRTIMER_EXPIRES; | |
397 | } | |
398 | ||
399 | @Override | |
400 | public String fieldHRtimerSoftexpires() { | |
401 | return HRTIMER_SOFT_EXPIRES; | |
402 | } | |
403 | @Override | |
404 | public String fieldHRtimerNow() { | |
405 | return HRTIMER_NOW; | |
406 | } | |
407 | ||
408 | @Override | |
409 | public String fieldSyscallRet() { | |
410 | return SYSCALL_RET; | |
411 | } | |
412 | ||
413 | // ------------------------------------------------------------------------ | |
414 | // I/O events and fields | |
415 | // ------------------------------------------------------------------------ | |
416 | ||
417 | @Override | |
418 | public String eventBlockRqInsert() { | |
419 | return BLOCK_RQ_INSERT; | |
420 | } | |
421 | ||
422 | @Override | |
423 | public String eventBlockRqIssue() { | |
424 | return BLOCK_RQ_ISSUE; | |
425 | } | |
426 | ||
427 | @Override | |
428 | public String eventBlockRqComplete() { | |
429 | return BLOCK_RQ_COMPLETE; | |
430 | } | |
431 | ||
432 | @Override | |
433 | public String eventBlockBioFrontmerge() { | |
434 | return BLOCK_BIO_FRONTMERGE; | |
435 | } | |
436 | ||
437 | @Override | |
438 | public String eventBlockBioBackmerge() { | |
439 | return BLOCK_BIO_BACKMERGE; | |
440 | } | |
441 | ||
442 | @Override | |
443 | public String eventBlockRqMerge() { | |
444 | return ELV_MERGE_REQUESTS; | |
445 | } | |
446 | ||
447 | @Override | |
448 | public @NonNull String eventStatedumpBlockDevice() { | |
449 | return LTTNG_STATEDUMP_BLOCK_DEVICE; | |
450 | } | |
451 | ||
452 | @Override | |
453 | public String fieldBlockDeviceId() { | |
454 | return BLOCK_DEV; | |
455 | } | |
456 | ||
457 | @Override | |
458 | public String fieldBlockSector() { | |
459 | return SECTOR; | |
460 | } | |
461 | ||
462 | @Override | |
463 | public String fieldBlockNrSector() { | |
464 | return NR_SECTOR; | |
465 | } | |
466 | ||
467 | @Override | |
468 | public String fieldBlockRwbs() { | |
469 | return RWBS; | |
470 | } | |
471 | ||
472 | @Override | |
473 | public String fieldBlockRqSector() { | |
474 | return RQ_SECTOR; | |
475 | } | |
476 | ||
477 | @Override | |
478 | public String fieldBlockNextRqSector() { | |
479 | return NEXTRQ_SECTOR; | |
480 | } | |
481 | ||
482 | @Override | |
483 | public String fieldDiskname() { | |
484 | return DISKNAME; | |
485 | } | |
486 | ||
487 | @Override | |
488 | public Collection<String> eventsNetworkSend() { | |
489 | return EVENTS_NETWORK_SEND; | |
490 | } | |
491 | ||
492 | @Override | |
493 | public Collection<String> eventsNetworkReceive() { | |
494 | return EVENTS_NETWORK_RECEIVE; | |
495 | } | |
496 | ||
497 | @Override | |
498 | public String @NonNull [] fieldPathTcpSeq() { | |
499 | return TCP_SEQ_FIELD; | |
500 | } | |
501 | ||
502 | @Override | |
503 | public String @NonNull [] fieldPathTcpAckSeq() { | |
504 | return TCP_ACK_FIELD; | |
505 | } | |
506 | ||
507 | @Override | |
508 | public String @NonNull [] fieldPathTcpFlags() { | |
509 | return TCP_FLAGS_FIELD; | |
510 | } | |
511 | ||
512 | @Override | |
513 | public @NonNull String fieldOrder() { | |
514 | return ORDER; | |
515 | } | |
516 | ||
517 | // ------------------------------------------------------------------------ | |
518 | // VirtualMachine events : kvm entry/exit events | |
519 | // ------------------------------------------------------------------------ | |
520 | ||
521 | @Override | |
522 | public @NonNull Collection<@NonNull String> eventsKVMEntry() { | |
523 | return KVM_ENTRY_EVENTS; | |
524 | } | |
525 | ||
526 | @Override | |
527 | public @NonNull Collection<@NonNull String> eventsKVMExit() { | |
528 | return KVM_EXIT_EVENTS; | |
529 | } | |
530 | } |