Commit | Line | Data |
---|---|---|
b87700e3 AG |
1 | #undef TRACE_SYSTEM |
2 | #define TRACE_SYSTEM rcu | |
3 | ||
3bc29f0a MD |
4 | #if !defined(LTTNG_TRACE_RCU_H) || defined(TRACE_HEADER_MULTI_READ) |
5 | #define LTTNG_TRACE_RCU_H | |
b87700e3 | 6 | |
3bc29f0a | 7 | #include "../../../probes/lttng-tracepoint-event.h" |
b87700e3 AG |
8 | #include <linux/version.h> |
9 | ||
10 | /* | |
11 | * Tracepoint for start/end markers used for utilization calculations. | |
12 | * By convention, the string is of the following forms: | |
13 | * | |
14 | * "Start <activity>" -- Mark the start of the specified activity, | |
15 | * such as "context switch". Nesting is permitted. | |
16 | * "End <activity>" -- Mark the end of the specified activity. | |
17 | * | |
18 | * An "@" character within "<activity>" is a comment character: Data | |
19 | * reduction scripts will ignore the "@" and the remainder of the line. | |
20 | */ | |
3bc29f0a | 21 | LTTNG_TRACEPOINT_EVENT(rcu_utilization, |
b87700e3 | 22 | |
8e621312 MD |
23 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) |
24 | TP_PROTO(const char *s), | |
25 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ | |
b87700e3 | 26 | TP_PROTO(char *s), |
8e621312 | 27 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
28 | |
29 | TP_ARGS(s), | |
30 | ||
31 | TP_STRUCT__entry( | |
32 | __string(s, s) | |
33 | ), | |
34 | ||
35 | TP_fast_assign( | |
36 | tp_strcpy(s, s) | |
37 | ), | |
38 | ||
39 | TP_printk("%s", __get_str(s)) | |
40 | ) | |
41 | ||
42 | #ifdef CONFIG_RCU_TRACE | |
43 | ||
49461400 MD |
44 | #if defined(CONFIG_TREE_RCU) \ |
45 | || (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) \ | |
46 | && defined(CONFIG_PREEMPT_RCU)) \ | |
47 | || defined(CONFIG_TREE_PREEMPT_RCU) | |
b87700e3 AG |
48 | |
49 | /* | |
50 | * Tracepoint for grace-period events: starting and ending a grace | |
51 | * period ("start" and "end", respectively), a CPU noting the start | |
52 | * of a new grace period or the end of an old grace period ("cpustart" | |
53 | * and "cpuend", respectively), a CPU passing through a quiescent | |
54 | * state ("cpuqs"), a CPU coming online or going offline ("cpuonl" | |
55 | * and "cpuofl", respectively), and a CPU being kicked for being too | |
56 | * long in dyntick-idle mode ("kick"). | |
57 | */ | |
3bc29f0a | 58 | LTTNG_TRACEPOINT_EVENT(rcu_grace_period, |
b87700e3 | 59 | |
01adf18e MD |
60 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) |
61 | TP_PROTO(const char *rcuname, unsigned long gpnum, const char *gpevent), | |
62 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ | |
b87700e3 | 63 | TP_PROTO(char *rcuname, unsigned long gpnum, char *gpevent), |
01adf18e | 64 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
65 | |
66 | TP_ARGS(rcuname, gpnum, gpevent), | |
67 | ||
68 | TP_STRUCT__entry( | |
69 | __string(rcuname, rcuname) | |
70 | __field(unsigned long, gpnum) | |
71 | __string(gpevent, gpevent) | |
72 | ), | |
73 | ||
74 | TP_fast_assign( | |
75 | tp_strcpy(rcuname, rcuname) | |
76 | tp_assign(gpnum, gpnum) | |
77 | tp_strcpy(gpevent, gpevent) | |
78 | ), | |
79 | ||
80 | TP_printk("%s %lu %s", | |
81 | __get_str(rcuname), __entry->gpnum, __get_str(gpevent)) | |
82 | ) | |
83 | ||
84 | /* | |
85 | * Tracepoint for grace-period-initialization events. These are | |
86 | * distinguished by the type of RCU, the new grace-period number, the | |
87 | * rcu_node structure level, the starting and ending CPU covered by the | |
88 | * rcu_node structure, and the mask of CPUs that will be waited for. | |
89 | * All but the type of RCU are extracted from the rcu_node structure. | |
90 | */ | |
3bc29f0a | 91 | LTTNG_TRACEPOINT_EVENT(rcu_grace_period_init, |
b87700e3 | 92 | |
01adf18e MD |
93 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) |
94 | TP_PROTO(const char *rcuname, unsigned long gpnum, u8 level, | |
95 | int grplo, int grphi, unsigned long qsmask), | |
96 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ | |
b87700e3 AG |
97 | TP_PROTO(char *rcuname, unsigned long gpnum, u8 level, |
98 | int grplo, int grphi, unsigned long qsmask), | |
01adf18e | 99 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
100 | |
101 | TP_ARGS(rcuname, gpnum, level, grplo, grphi, qsmask), | |
102 | ||
103 | TP_STRUCT__entry( | |
104 | __string(rcuname, rcuname) | |
105 | __field(unsigned long, gpnum) | |
106 | __field(u8, level) | |
107 | __field(int, grplo) | |
108 | __field(int, grphi) | |
109 | __field(unsigned long, qsmask) | |
110 | ), | |
111 | ||
112 | TP_fast_assign( | |
113 | tp_strcpy(rcuname, rcuname) | |
114 | tp_assign(gpnum, gpnum) | |
115 | tp_assign(level, level) | |
116 | tp_assign(grplo, grplo) | |
117 | tp_assign(grphi, grphi) | |
118 | tp_assign(qsmask, qsmask) | |
119 | ), | |
120 | ||
121 | TP_printk("%s %lu %u %d %d %lx", | |
122 | __get_str(rcuname), __entry->gpnum, __entry->level, | |
123 | __entry->grplo, __entry->grphi, __entry->qsmask) | |
124 | ) | |
125 | ||
126 | /* | |
127 | * Tracepoint for tasks blocking within preemptible-RCU read-side | |
128 | * critical sections. Track the type of RCU (which one day might | |
129 | * include SRCU), the grace-period number that the task is blocking | |
130 | * (the current or the next), and the task's PID. | |
131 | */ | |
3bc29f0a | 132 | LTTNG_TRACEPOINT_EVENT(rcu_preempt_task, |
b87700e3 | 133 | |
01adf18e MD |
134 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) |
135 | TP_PROTO(const char *rcuname, int pid, unsigned long gpnum), | |
136 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ | |
b87700e3 | 137 | TP_PROTO(char *rcuname, int pid, unsigned long gpnum), |
01adf18e | 138 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
139 | |
140 | TP_ARGS(rcuname, pid, gpnum), | |
141 | ||
142 | TP_STRUCT__entry( | |
143 | __string(rcuname, rcuname) | |
144 | __field(unsigned long, gpnum) | |
145 | __field(int, pid) | |
146 | ), | |
147 | ||
148 | TP_fast_assign( | |
149 | tp_strcpy(rcuname, rcuname) | |
150 | tp_assign(gpnum, gpnum) | |
151 | tp_assign(pid, pid) | |
152 | ), | |
153 | ||
154 | TP_printk("%s %lu %d", | |
155 | __get_str(rcuname), __entry->gpnum, __entry->pid) | |
156 | ) | |
157 | ||
158 | /* | |
159 | * Tracepoint for tasks that blocked within a given preemptible-RCU | |
160 | * read-side critical section exiting that critical section. Track the | |
161 | * type of RCU (which one day might include SRCU) and the task's PID. | |
162 | */ | |
3bc29f0a | 163 | LTTNG_TRACEPOINT_EVENT(rcu_unlock_preempted_task, |
b87700e3 | 164 | |
01adf18e MD |
165 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) |
166 | TP_PROTO(const char *rcuname, unsigned long gpnum, int pid), | |
167 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ | |
b87700e3 | 168 | TP_PROTO(char *rcuname, unsigned long gpnum, int pid), |
01adf18e | 169 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
170 | |
171 | TP_ARGS(rcuname, gpnum, pid), | |
172 | ||
173 | TP_STRUCT__entry( | |
174 | __string(rcuname, rcuname) | |
175 | __field(unsigned long, gpnum) | |
176 | __field(int, pid) | |
177 | ), | |
178 | ||
179 | TP_fast_assign( | |
180 | tp_strcpy(rcuname, rcuname) | |
181 | tp_assign(gpnum, gpnum) | |
182 | tp_assign(pid, pid) | |
183 | ), | |
184 | ||
185 | TP_printk("%s %lu %d", __get_str(rcuname), __entry->gpnum, __entry->pid) | |
186 | ) | |
187 | ||
188 | /* | |
189 | * Tracepoint for quiescent-state-reporting events. These are | |
190 | * distinguished by the type of RCU, the grace-period number, the | |
191 | * mask of quiescent lower-level entities, the rcu_node structure level, | |
192 | * the starting and ending CPU covered by the rcu_node structure, and | |
193 | * whether there are any blocked tasks blocking the current grace period. | |
194 | * All but the type of RCU are extracted from the rcu_node structure. | |
195 | */ | |
3bc29f0a | 196 | LTTNG_TRACEPOINT_EVENT(rcu_quiescent_state_report, |
b87700e3 | 197 | |
01adf18e MD |
198 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) |
199 | TP_PROTO(const char *rcuname, unsigned long gpnum, | |
200 | unsigned long mask, unsigned long qsmask, | |
201 | u8 level, int grplo, int grphi, int gp_tasks), | |
202 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ | |
b87700e3 AG |
203 | TP_PROTO(char *rcuname, unsigned long gpnum, |
204 | unsigned long mask, unsigned long qsmask, | |
205 | u8 level, int grplo, int grphi, int gp_tasks), | |
01adf18e | 206 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
207 | |
208 | TP_ARGS(rcuname, gpnum, mask, qsmask, level, grplo, grphi, gp_tasks), | |
209 | ||
210 | TP_STRUCT__entry( | |
211 | __string(rcuname, rcuname) | |
212 | __field(unsigned long, gpnum) | |
213 | __field(unsigned long, mask) | |
214 | __field(unsigned long, qsmask) | |
215 | __field(u8, level) | |
216 | __field(int, grplo) | |
217 | __field(int, grphi) | |
218 | __field(u8, gp_tasks) | |
219 | ), | |
220 | ||
221 | TP_fast_assign( | |
222 | tp_strcpy(rcuname, rcuname) | |
223 | tp_assign(gpnum, gpnum) | |
224 | tp_assign(mask, mask) | |
225 | tp_assign(qsmask, qsmask) | |
226 | tp_assign(level, level) | |
227 | tp_assign(grplo, grplo) | |
228 | tp_assign(grphi, grphi) | |
229 | tp_assign(gp_tasks, gp_tasks) | |
230 | ), | |
231 | ||
232 | TP_printk("%s %lu %lx>%lx %u %d %d %u", | |
233 | __get_str(rcuname), __entry->gpnum, | |
234 | __entry->mask, __entry->qsmask, __entry->level, | |
235 | __entry->grplo, __entry->grphi, __entry->gp_tasks) | |
236 | ) | |
237 | ||
238 | /* | |
239 | * Tracepoint for quiescent states detected by force_quiescent_state(). | |
240 | * These trace events include the type of RCU, the grace-period number | |
241 | * that was blocked by the CPU, the CPU itself, and the type of quiescent | |
242 | * state, which can be "dti" for dyntick-idle mode, "ofl" for CPU offline, | |
243 | * or "kick" when kicking a CPU that has been in dyntick-idle mode for | |
244 | * too long. | |
245 | */ | |
3bc29f0a | 246 | LTTNG_TRACEPOINT_EVENT(rcu_fqs, |
b87700e3 | 247 | |
01adf18e MD |
248 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) |
249 | TP_PROTO(const char *rcuname, unsigned long gpnum, int cpu, const char *qsevent), | |
250 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ | |
b87700e3 | 251 | TP_PROTO(char *rcuname, unsigned long gpnum, int cpu, char *qsevent), |
01adf18e | 252 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
253 | |
254 | TP_ARGS(rcuname, gpnum, cpu, qsevent), | |
255 | ||
256 | TP_STRUCT__entry( | |
257 | __string(rcuname, rcuname) | |
258 | __field(unsigned long, gpnum) | |
259 | __field(int, cpu) | |
260 | __string(qsevent, qsevent) | |
261 | ), | |
262 | ||
263 | TP_fast_assign( | |
264 | tp_strcpy(rcuname, rcuname) | |
265 | tp_assign(gpnum, gpnum) | |
266 | tp_assign(cpu, cpu) | |
267 | tp_strcpy(qsevent, qsevent) | |
268 | ), | |
269 | ||
270 | TP_printk("%s %lu %d %s", | |
271 | __get_str(rcuname), __entry->gpnum, | |
272 | __entry->cpu, __get_str(qsevent)) | |
273 | ) | |
274 | ||
49461400 MD |
275 | #endif /* |
276 | * #if defined(CONFIG_TREE_RCU) | |
277 | * || (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) | |
278 | * && defined(CONFIG_PREEMPT_RCU)) | |
279 | * || defined(CONFIG_TREE_PREEMPT_RCU) | |
280 | */ | |
b87700e3 AG |
281 | |
282 | /* | |
283 | * Tracepoint for dyntick-idle entry/exit events. These take a string | |
284 | * as argument: "Start" for entering dyntick-idle mode, "End" for | |
285 | * leaving it, "--=" for events moving towards idle, and "++=" for events | |
286 | * moving away from idle. "Error on entry: not idle task" and "Error on | |
287 | * exit: not idle task" indicate that a non-idle task is erroneously | |
288 | * toying with the idle loop. | |
289 | * | |
290 | * These events also take a pair of numbers, which indicate the nesting | |
291 | * depth before and after the event of interest. Note that task-related | |
292 | * events use the upper bits of each number, while interrupt-related | |
293 | * events use the lower bits. | |
294 | */ | |
3bc29f0a | 295 | LTTNG_TRACEPOINT_EVENT(rcu_dyntick, |
b87700e3 | 296 | |
01adf18e MD |
297 | |
298 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) | |
299 | TP_PROTO(const char *polarity, long long oldnesting, long long newnesting), | |
300 | ||
301 | TP_ARGS(polarity, oldnesting, newnesting), | |
302 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
b87700e3 AG |
303 | TP_PROTO(char *polarity, long long oldnesting, long long newnesting), |
304 | ||
305 | TP_ARGS(polarity, oldnesting, newnesting), | |
306 | #else | |
307 | TP_PROTO(char *polarity), | |
308 | ||
309 | TP_ARGS(polarity), | |
310 | #endif | |
311 | ||
312 | TP_STRUCT__entry( | |
313 | __string(polarity, polarity) | |
314 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
315 | __field(long long, oldnesting) | |
316 | __field(long long, newnesting) | |
317 | #endif | |
318 | ), | |
319 | ||
320 | TP_fast_assign( | |
321 | tp_strcpy(polarity, polarity) | |
322 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
323 | tp_assign(oldnesting, oldnesting) | |
324 | tp_assign(newnesting, newnesting) | |
325 | #endif | |
326 | ), | |
327 | ||
328 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
329 | TP_printk("%s %llx %llx", __get_str(polarity), | |
330 | __entry->oldnesting, __entry->newnesting) | |
331 | #else | |
332 | TP_printk("%s", __get_str(polarity)) | |
333 | #endif | |
334 | ) | |
335 | ||
336 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
337 | /* | |
338 | * Tracepoint for RCU preparation for idle, the goal being to get RCU | |
339 | * processing done so that the current CPU can shut off its scheduling | |
340 | * clock and enter dyntick-idle mode. One way to accomplish this is | |
341 | * to drain all RCU callbacks from this CPU, and the other is to have | |
342 | * done everything RCU requires for the current grace period. In this | |
343 | * latter case, the CPU will be awakened at the end of the current grace | |
344 | * period in order to process the remainder of its callbacks. | |
345 | * | |
346 | * These tracepoints take a string as argument: | |
347 | * | |
348 | * "No callbacks": Nothing to do, no callbacks on this CPU. | |
349 | * "In holdoff": Nothing to do, holding off after unsuccessful attempt. | |
350 | * "Begin holdoff": Attempt failed, don't retry until next jiffy. | |
351 | * "Dyntick with callbacks": Entering dyntick-idle despite callbacks. | |
352 | * "Dyntick with lazy callbacks": Entering dyntick-idle w/lazy callbacks. | |
353 | * "More callbacks": Still more callbacks, try again to clear them out. | |
354 | * "Callbacks drained": All callbacks processed, off to dyntick idle! | |
355 | * "Timer": Timer fired to cause CPU to continue processing callbacks. | |
356 | * "Demigrate": Timer fired on wrong CPU, woke up correct CPU. | |
357 | * "Cleanup after idle": Idle exited, timer canceled. | |
358 | */ | |
3bc29f0a | 359 | LTTNG_TRACEPOINT_EVENT(rcu_prep_idle, |
b87700e3 | 360 | |
01adf18e MD |
361 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) |
362 | TP_PROTO(const char *reason), | |
363 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ | |
b87700e3 | 364 | TP_PROTO(char *reason), |
01adf18e | 365 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
366 | |
367 | TP_ARGS(reason), | |
368 | ||
369 | TP_STRUCT__entry( | |
370 | __string(reason, reason) | |
371 | ), | |
372 | ||
373 | TP_fast_assign( | |
374 | tp_strcpy(reason, reason) | |
375 | ), | |
376 | ||
377 | TP_printk("%s", __get_str(reason)) | |
378 | ) | |
379 | #endif | |
380 | ||
381 | /* | |
382 | * Tracepoint for the registration of a single RCU callback function. | |
383 | * The first argument is the type of RCU, the second argument is | |
384 | * a pointer to the RCU callback itself, the third element is the | |
385 | * number of lazy callbacks queued, and the fourth element is the | |
386 | * total number of callbacks queued. | |
387 | */ | |
3bc29f0a | 388 | LTTNG_TRACEPOINT_EVENT(rcu_callback, |
b87700e3 | 389 | |
01adf18e MD |
390 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) |
391 | TP_PROTO(const char *rcuname, struct rcu_head *rhp, long qlen_lazy, | |
392 | long qlen), | |
393 | ||
394 | TP_ARGS(rcuname, rhp, qlen_lazy, qlen), | |
395 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) | |
b87700e3 AG |
396 | TP_PROTO(char *rcuname, struct rcu_head *rhp, long qlen_lazy, |
397 | long qlen), | |
398 | ||
399 | TP_ARGS(rcuname, rhp, qlen_lazy, qlen), | |
400 | #else | |
401 | TP_PROTO(char *rcuname, struct rcu_head *rhp, long qlen), | |
402 | ||
403 | TP_ARGS(rcuname, rhp, qlen), | |
404 | #endif | |
405 | ||
406 | TP_STRUCT__entry( | |
407 | __string(rcuname, rcuname) | |
408 | __field(void *, rhp) | |
409 | __field(void *, func) | |
410 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) | |
411 | __field(long, qlen_lazy) | |
412 | #endif | |
413 | __field(long, qlen) | |
414 | ), | |
415 | ||
416 | TP_fast_assign( | |
417 | tp_strcpy(rcuname, rcuname) | |
418 | tp_assign(rhp, rhp) | |
419 | tp_assign(func, rhp->func) | |
420 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) | |
421 | tp_assign(qlen_lazy, qlen_lazy) | |
422 | #endif | |
423 | tp_assign(qlen, qlen) | |
424 | ), | |
425 | ||
426 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) | |
427 | TP_printk("%s rhp=%p func=%pf %ld/%ld", | |
428 | __get_str(rcuname), __entry->rhp, __entry->func, | |
429 | __entry->qlen_lazy, __entry->qlen) | |
430 | #else | |
431 | TP_printk("%s rhp=%p func=%pf %ld", | |
432 | __get_str(rcuname), __entry->rhp, __entry->func, | |
433 | __entry->qlen) | |
434 | #endif | |
435 | ) | |
436 | ||
437 | /* | |
438 | * Tracepoint for the registration of a single RCU callback of the special | |
439 | * kfree() form. The first argument is the RCU type, the second argument | |
440 | * is a pointer to the RCU callback, the third argument is the offset | |
441 | * of the callback within the enclosing RCU-protected data structure, | |
442 | * the fourth argument is the number of lazy callbacks queued, and the | |
443 | * fifth argument is the total number of callbacks queued. | |
444 | */ | |
3bc29f0a | 445 | LTTNG_TRACEPOINT_EVENT(rcu_kfree_callback, |
b87700e3 | 446 | |
01adf18e MD |
447 | |
448 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) | |
449 | TP_PROTO(const char *rcuname, struct rcu_head *rhp, unsigned long offset, | |
450 | long qlen_lazy, long qlen), | |
451 | ||
452 | TP_ARGS(rcuname, rhp, offset, qlen_lazy, qlen), | |
453 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) | |
b87700e3 AG |
454 | TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset, |
455 | long qlen_lazy, long qlen), | |
456 | ||
457 | TP_ARGS(rcuname, rhp, offset, qlen_lazy, qlen), | |
458 | #else | |
459 | TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset, | |
460 | long qlen), | |
461 | ||
462 | TP_ARGS(rcuname, rhp, offset, qlen), | |
463 | #endif | |
464 | ||
465 | TP_STRUCT__entry( | |
466 | __string(rcuname, rcuname) | |
467 | __field(void *, rhp) | |
468 | __field(unsigned long, offset) | |
469 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) | |
470 | __field(long, qlen_lazy) | |
471 | #endif | |
472 | __field(long, qlen) | |
473 | ), | |
474 | ||
475 | TP_fast_assign( | |
476 | tp_strcpy(rcuname, rcuname) | |
477 | tp_assign(rhp, rhp) | |
478 | tp_assign(offset, offset) | |
479 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) | |
480 | tp_assign(qlen_lazy, qlen_lazy) | |
481 | #endif | |
482 | tp_assign(qlen, qlen) | |
483 | ), | |
484 | ||
485 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) | |
486 | TP_printk("%s rhp=%p func=%ld %ld/%ld", | |
487 | __get_str(rcuname), __entry->rhp, __entry->offset, | |
488 | __entry->qlen_lazy, __entry->qlen) | |
489 | #else | |
490 | TP_printk("%s rhp=%p func=%ld %ld", | |
491 | __get_str(rcuname), __entry->rhp, __entry->offset, | |
492 | __entry->qlen) | |
493 | #endif | |
494 | ) | |
495 | ||
496 | /* | |
497 | * Tracepoint for marking the beginning rcu_do_batch, performed to start | |
498 | * RCU callback invocation. The first argument is the RCU flavor, | |
499 | * the second is the number of lazy callbacks queued, the third is | |
500 | * the total number of callbacks queued, and the fourth argument is | |
501 | * the current RCU-callback batch limit. | |
502 | */ | |
3bc29f0a | 503 | LTTNG_TRACEPOINT_EVENT(rcu_batch_start, |
b87700e3 | 504 | |
01adf18e MD |
505 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) |
506 | TP_PROTO(const char *rcuname, long qlen_lazy, long qlen, long blimit), | |
507 | ||
508 | TP_ARGS(rcuname, qlen_lazy, qlen, blimit), | |
509 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) | |
4b4111c9 MD |
510 | TP_PROTO(char *rcuname, long qlen_lazy, long qlen, long blimit), |
511 | ||
512 | TP_ARGS(rcuname, qlen_lazy, qlen, blimit), | |
513 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) | |
b87700e3 AG |
514 | TP_PROTO(char *rcuname, long qlen_lazy, long qlen, int blimit), |
515 | ||
516 | TP_ARGS(rcuname, qlen_lazy, qlen, blimit), | |
517 | #else | |
518 | TP_PROTO(char *rcuname, long qlen, int blimit), | |
519 | ||
520 | TP_ARGS(rcuname, qlen, blimit), | |
521 | #endif | |
522 | ||
523 | TP_STRUCT__entry( | |
524 | __string(rcuname, rcuname) | |
525 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) | |
526 | __field(long, qlen_lazy) | |
527 | #endif | |
528 | __field(long, qlen) | |
4b4111c9 MD |
529 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
530 | __field(long, blimit) | |
531 | #else | |
b87700e3 | 532 | __field(int, blimit) |
4b4111c9 | 533 | #endif |
b87700e3 AG |
534 | ), |
535 | ||
536 | TP_fast_assign( | |
537 | tp_strcpy(rcuname, rcuname) | |
538 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) | |
539 | tp_assign(qlen_lazy, qlen_lazy) | |
540 | #endif | |
541 | tp_assign(qlen, qlen) | |
542 | tp_assign(blimit, blimit) | |
543 | ), | |
544 | ||
4b4111c9 MD |
545 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
546 | TP_printk("%s CBs=%ld/%ld bl=%ld", | |
547 | __get_str(rcuname), __entry->qlen_lazy, __entry->qlen, | |
548 | __entry->blimit) | |
549 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) | |
b87700e3 AG |
550 | TP_printk("%s CBs=%ld/%ld bl=%d", |
551 | __get_str(rcuname), __entry->qlen_lazy, __entry->qlen, | |
552 | __entry->blimit) | |
553 | #else | |
554 | TP_printk("%s CBs=%ld bl=%d", | |
555 | __get_str(rcuname), __entry->qlen, __entry->blimit) | |
556 | #endif | |
557 | ) | |
558 | ||
559 | /* | |
560 | * Tracepoint for the invocation of a single RCU callback function. | |
561 | * The first argument is the type of RCU, and the second argument is | |
562 | * a pointer to the RCU callback itself. | |
563 | */ | |
3bc29f0a | 564 | LTTNG_TRACEPOINT_EVENT(rcu_invoke_callback, |
b87700e3 | 565 | |
01adf18e MD |
566 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) |
567 | TP_PROTO(const char *rcuname, struct rcu_head *rhp), | |
568 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ | |
b87700e3 | 569 | TP_PROTO(char *rcuname, struct rcu_head *rhp), |
01adf18e | 570 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
571 | |
572 | TP_ARGS(rcuname, rhp), | |
573 | ||
574 | TP_STRUCT__entry( | |
575 | __string(rcuname, rcuname) | |
576 | __field(void *, rhp) | |
577 | __field(void *, func) | |
578 | ), | |
579 | ||
580 | TP_fast_assign( | |
581 | tp_strcpy(rcuname, rcuname) | |
582 | tp_assign(rhp, rhp) | |
583 | tp_assign(func, rhp->func) | |
584 | ), | |
585 | ||
586 | TP_printk("%s rhp=%p func=%pf", | |
587 | __get_str(rcuname), __entry->rhp, __entry->func) | |
588 | ) | |
589 | ||
590 | /* | |
591 | * Tracepoint for the invocation of a single RCU callback of the special | |
592 | * kfree() form. The first argument is the RCU flavor, the second | |
593 | * argument is a pointer to the RCU callback, and the third argument | |
594 | * is the offset of the callback within the enclosing RCU-protected | |
595 | * data structure. | |
596 | */ | |
3bc29f0a | 597 | LTTNG_TRACEPOINT_EVENT(rcu_invoke_kfree_callback, |
b87700e3 | 598 | |
01adf18e MD |
599 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) |
600 | TP_PROTO(const char *rcuname, struct rcu_head *rhp, unsigned long offset), | |
601 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ | |
b87700e3 | 602 | TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset), |
01adf18e | 603 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
604 | |
605 | TP_ARGS(rcuname, rhp, offset), | |
606 | ||
607 | TP_STRUCT__entry( | |
608 | __string(rcuname, rcuname) | |
609 | __field(void *, rhp) | |
610 | __field(unsigned long, offset) | |
611 | ), | |
612 | ||
613 | TP_fast_assign( | |
614 | tp_strcpy(rcuname, rcuname) | |
615 | tp_assign(rhp, rhp) | |
616 | tp_assign(offset, offset) | |
617 | ), | |
618 | ||
619 | TP_printk("%s rhp=%p func=%ld", | |
620 | __get_str(rcuname), __entry->rhp, __entry->offset) | |
621 | ) | |
622 | ||
623 | /* | |
624 | * Tracepoint for exiting rcu_do_batch after RCU callbacks have been | |
625 | * invoked. The first argument is the name of the RCU flavor, | |
626 | * the second argument is number of callbacks actually invoked, | |
627 | * the third argument (cb) is whether or not any of the callbacks that | |
628 | * were ready to invoke at the beginning of this batch are still | |
629 | * queued, the fourth argument (nr) is the return value of need_resched(), | |
630 | * the fifth argument (iit) is 1 if the current task is the idle task, | |
631 | * and the sixth argument (risk) is the return value from | |
632 | * rcu_is_callbacks_kthread(). | |
633 | */ | |
3bc29f0a | 634 | LTTNG_TRACEPOINT_EVENT(rcu_batch_end, |
b87700e3 | 635 | |
01adf18e MD |
636 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0)) |
637 | TP_PROTO(const char *rcuname, int callbacks_invoked, | |
638 | char cb, char nr, char iit, char risk), | |
639 | ||
640 | TP_ARGS(rcuname, callbacks_invoked, cb, nr, iit, risk), | |
641 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) | |
642 | TP_PROTO(const char *rcuname, int callbacks_invoked, | |
643 | bool cb, bool nr, bool iit, bool risk), | |
644 | ||
645 | TP_ARGS(rcuname, callbacks_invoked, cb, nr, iit, risk), | |
646 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
b87700e3 AG |
647 | TP_PROTO(char *rcuname, int callbacks_invoked, |
648 | bool cb, bool nr, bool iit, bool risk), | |
649 | ||
650 | TP_ARGS(rcuname, callbacks_invoked, cb, nr, iit, risk), | |
651 | #else | |
652 | TP_PROTO(char *rcuname, int callbacks_invoked), | |
653 | ||
654 | TP_ARGS(rcuname, callbacks_invoked), | |
655 | #endif | |
656 | ||
657 | TP_STRUCT__entry( | |
658 | __string(rcuname, rcuname) | |
659 | __field(int, callbacks_invoked) | |
01adf18e MD |
660 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0)) |
661 | __field(char, cb) | |
662 | __field(char, nr) | |
663 | __field(char, iit) | |
664 | __field(char, risk) | |
665 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
b87700e3 AG |
666 | __field(bool, cb) |
667 | __field(bool, nr) | |
668 | __field(bool, iit) | |
669 | __field(bool, risk) | |
670 | #endif | |
671 | ), | |
672 | ||
673 | TP_fast_assign( | |
674 | tp_strcpy(rcuname, rcuname) | |
675 | tp_assign(callbacks_invoked, callbacks_invoked) | |
676 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
677 | tp_assign(cb, cb) | |
678 | tp_assign(nr, nr) | |
679 | tp_assign(iit, iit) | |
680 | tp_assign(risk, risk) | |
681 | #endif | |
682 | ), | |
683 | ||
684 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
685 | TP_printk("%s CBs-invoked=%d idle=%c%c%c%c", | |
686 | __get_str(rcuname), __entry->callbacks_invoked, | |
687 | __entry->cb ? 'C' : '.', | |
688 | __entry->nr ? 'S' : '.', | |
689 | __entry->iit ? 'I' : '.', | |
690 | __entry->risk ? 'R' : '.') | |
691 | #else | |
692 | TP_printk("%s CBs-invoked=%d", | |
693 | __get_str(rcuname), __entry->callbacks_invoked) | |
694 | #endif | |
695 | ) | |
696 | ||
697 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
698 | /* | |
699 | * Tracepoint for rcutorture readers. The first argument is the name | |
700 | * of the RCU flavor from rcutorture's viewpoint and the second argument | |
701 | * is the callback address. | |
702 | */ | |
3bc29f0a | 703 | LTTNG_TRACEPOINT_EVENT(rcu_torture_read, |
b87700e3 | 704 | |
01adf18e MD |
705 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) |
706 | TP_PROTO(const char *rcutorturename, struct rcu_head *rhp, | |
707 | unsigned long secs, unsigned long c_old, unsigned long c), | |
708 | ||
709 | TP_ARGS(rcutorturename, rhp, secs, c_old, c), | |
710 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) | |
a828b9d5 MD |
711 | TP_PROTO(char *rcutorturename, struct rcu_head *rhp, |
712 | unsigned long secs, unsigned long c_old, unsigned long c), | |
713 | ||
714 | TP_ARGS(rcutorturename, rhp, secs, c_old, c), | |
715 | #else | |
b87700e3 AG |
716 | TP_PROTO(char *rcutorturename, struct rcu_head *rhp), |
717 | ||
718 | TP_ARGS(rcutorturename, rhp), | |
a828b9d5 | 719 | #endif |
b87700e3 AG |
720 | |
721 | TP_STRUCT__entry( | |
722 | __string(rcutorturename, rcutorturename) | |
723 | __field(struct rcu_head *, rhp) | |
a828b9d5 MD |
724 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
725 | __field(unsigned long, secs) | |
726 | __field(unsigned long, c_old) | |
727 | __field(unsigned long, c) | |
728 | #endif | |
b87700e3 AG |
729 | ), |
730 | ||
731 | TP_fast_assign( | |
732 | tp_strcpy(rcutorturename, rcutorturename) | |
733 | tp_assign(rhp, rhp) | |
a828b9d5 MD |
734 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
735 | tp_assign(secs, secs) | |
736 | tp_assign(c_old, c_old) | |
737 | tp_assign(c, c) | |
738 | #endif | |
b87700e3 AG |
739 | ), |
740 | ||
a828b9d5 MD |
741 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
742 | TP_printk("%s torture read %p %luus c: %lu %lu", | |
743 | __entry->rcutorturename, __entry->rhp, | |
744 | __entry->secs, __entry->c_old, __entry->c) | |
745 | #else | |
b87700e3 AG |
746 | TP_printk("%s torture read %p", |
747 | __get_str(rcutorturename), __entry->rhp) | |
a828b9d5 | 748 | #endif |
b87700e3 AG |
749 | ) |
750 | #endif | |
751 | ||
752 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) | |
753 | /* | |
754 | * Tracepoint for _rcu_barrier() execution. The string "s" describes | |
755 | * the _rcu_barrier phase: | |
756 | * "Begin": rcu_barrier_callback() started. | |
757 | * "Check": rcu_barrier_callback() checking for piggybacking. | |
758 | * "EarlyExit": rcu_barrier_callback() piggybacked, thus early exit. | |
759 | * "Inc1": rcu_barrier_callback() piggyback check counter incremented. | |
760 | * "Offline": rcu_barrier_callback() found offline CPU | |
761 | * "OnlineQ": rcu_barrier_callback() found online CPU with callbacks. | |
762 | * "OnlineNQ": rcu_barrier_callback() found online CPU, no callbacks. | |
763 | * "IRQ": An rcu_barrier_callback() callback posted on remote CPU. | |
764 | * "CB": An rcu_barrier_callback() invoked a callback, not the last. | |
765 | * "LastCB": An rcu_barrier_callback() invoked the last callback. | |
766 | * "Inc2": rcu_barrier_callback() piggyback check counter incremented. | |
767 | * The "cpu" argument is the CPU or -1 if meaningless, the "cnt" argument | |
768 | * is the count of remaining callbacks, and "done" is the piggybacking count. | |
769 | */ | |
3bc29f0a | 770 | LTTNG_TRACEPOINT_EVENT(rcu_barrier, |
b87700e3 | 771 | |
01adf18e MD |
772 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) |
773 | TP_PROTO(const char *rcuname, const char *s, int cpu, int cnt, unsigned long done), | |
774 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ | |
b87700e3 | 775 | TP_PROTO(char *rcuname, char *s, int cpu, int cnt, unsigned long done), |
01adf18e | 776 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
777 | |
778 | TP_ARGS(rcuname, s, cpu, cnt, done), | |
779 | ||
780 | TP_STRUCT__entry( | |
781 | __string(rcuname, rcuname) | |
782 | __string(s, s) | |
783 | __field(int, cpu) | |
784 | __field(int, cnt) | |
785 | __field(unsigned long, done) | |
786 | ), | |
787 | ||
788 | TP_fast_assign( | |
789 | tp_strcpy(rcuname, rcuname) | |
790 | tp_strcpy(s, s) | |
791 | tp_assign(cpu, cpu) | |
792 | tp_assign(cnt, cnt) | |
793 | tp_assign(done, done) | |
794 | ), | |
795 | ||
796 | TP_printk("%s %s cpu %d remaining %d # %lu", | |
797 | __get_str(rcuname), __get_str(s), __entry->cpu, __entry->cnt, | |
798 | __entry->done) | |
799 | ) | |
800 | #endif | |
801 | ||
802 | #else /* #ifdef CONFIG_RCU_TRACE */ | |
803 | ||
804 | #define trace_rcu_grace_period(rcuname, gpnum, gpevent) do { } while (0) | |
805 | #define trace_rcu_grace_period_init(rcuname, gpnum, level, grplo, grphi, \ | |
806 | qsmask) do { } while (0) | |
807 | #define trace_rcu_preempt_task(rcuname, pid, gpnum) do { } while (0) | |
808 | #define trace_rcu_unlock_preempted_task(rcuname, gpnum, pid) do { } while (0) | |
809 | #define trace_rcu_quiescent_state_report(rcuname, gpnum, mask, qsmask, level, \ | |
810 | grplo, grphi, gp_tasks) do { } \ | |
811 | while (0) | |
812 | #define trace_rcu_fqs(rcuname, gpnum, cpu, qsevent) do { } while (0) | |
813 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
814 | #define trace_rcu_dyntick(polarity, oldnesting, newnesting) do { } while (0) | |
815 | #else | |
816 | #define trace_rcu_dyntick(polarity) do { } while (0) | |
817 | #endif | |
818 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
819 | #define trace_rcu_prep_idle(reason) do { } while (0) | |
820 | #endif | |
821 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) | |
822 | #define trace_rcu_callback(rcuname, rhp, qlen_lazy, qlen) do { } while (0) | |
823 | #define trace_rcu_kfree_callback(rcuname, rhp, offset, qlen_lazy, qlen) \ | |
824 | do { } while (0) | |
825 | #define trace_rcu_batch_start(rcuname, qlen_lazy, qlen, blimit) \ | |
826 | do { } while (0) | |
827 | #else | |
828 | #define trace_rcu_callback(rcuname, rhp, qlen) do { } while (0) | |
829 | #define trace_rcu_kfree_callback(rcuname, rhp, offset, qlen) do { } while (0) | |
830 | #define trace_rcu_batch_start(rcuname, qlen, blimit) do { } while (0) | |
831 | #endif | |
832 | #define trace_rcu_invoke_callback(rcuname, rhp) do { } while (0) | |
833 | #define trace_rcu_invoke_kfree_callback(rcuname, rhp, offset) do { } while (0) | |
834 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
835 | #define trace_rcu_batch_end(rcuname, callbacks_invoked, cb, nr, iit, risk) \ | |
836 | do { } while (0) | |
837 | #else | |
838 | #define trace_rcu_batch_end(rcuname, callbacks_invoked) do { } while (0) | |
839 | #endif | |
a828b9d5 MD |
840 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
841 | #define trace_rcu_torture_read(rcutorturename, rhp, secs, c_old, c) \ | |
842 | do { } while (0) | |
843 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) | |
b87700e3 AG |
844 | #define trace_rcu_torture_read(rcutorturename, rhp) do { } while (0) |
845 | #endif | |
846 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) | |
847 | #define trace_rcu_barrier(name, s, cpu, cnt, done) do { } while (0) | |
848 | #endif | |
849 | #endif /* #else #ifdef CONFIG_RCU_TRACE */ | |
850 | ||
3bc29f0a | 851 | #endif /* LTTNG_TRACE_RCU_H */ |
b87700e3 AG |
852 | |
853 | /* This part must be outside protection */ | |
854 | #include "../../../probes/define_trace.h" |