Commit | Line | Data |
---|---|---|
9f36eaed | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
b87700e3 AG |
2 | #undef TRACE_SYSTEM |
3 | #define TRACE_SYSTEM rcu | |
4 | ||
3bc29f0a MD |
5 | #if !defined(LTTNG_TRACE_RCU_H) || defined(TRACE_HEADER_MULTI_READ) |
6 | #define LTTNG_TRACE_RCU_H | |
b87700e3 | 7 | |
6ec43db8 | 8 | #include <probes/lttng-tracepoint-event.h> |
2d042821 | 9 | #include <lttng-kernel-version.h> |
b87700e3 AG |
10 | |
11 | /* | |
12 | * Tracepoint for start/end markers used for utilization calculations. | |
13 | * By convention, the string is of the following forms: | |
14 | * | |
15 | * "Start <activity>" -- Mark the start of the specified activity, | |
16 | * such as "context switch". Nesting is permitted. | |
17 | * "End <activity>" -- Mark the end of the specified activity. | |
18 | * | |
19 | * An "@" character within "<activity>" is a comment character: Data | |
20 | * reduction scripts will ignore the "@" and the remainder of the line. | |
21 | */ | |
3bc29f0a | 22 | LTTNG_TRACEPOINT_EVENT(rcu_utilization, |
b87700e3 | 23 | |
2d042821 | 24 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
8e621312 | 25 | TP_PROTO(const char *s), |
2d042821 | 26 | #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ |
b87700e3 | 27 | TP_PROTO(char *s), |
2d042821 | 28 | #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
29 | |
30 | TP_ARGS(s), | |
31 | ||
f127e61e MD |
32 | TP_FIELDS( |
33 | ctf_string(s, s) | |
34 | ) | |
b87700e3 AG |
35 | ) |
36 | ||
37 | #ifdef CONFIG_RCU_TRACE | |
38 | ||
12318fb8 | 39 | #if defined(CONFIG_TREE_RCU) \ |
2d042821 | 40 | || (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,19,0) \ |
12318fb8 MD |
41 | && defined(CONFIG_PREEMPT_RCU)) \ |
42 | || defined(CONFIG_TREE_PREEMPT_RCU) | |
b87700e3 AG |
43 | |
44 | /* | |
45 | * Tracepoint for grace-period events: starting and ending a grace | |
46 | * period ("start" and "end", respectively), a CPU noting the start | |
47 | * of a new grace period or the end of an old grace period ("cpustart" | |
48 | * and "cpuend", respectively), a CPU passing through a quiescent | |
49 | * state ("cpuqs"), a CPU coming online or going offline ("cpuonl" | |
50 | * and "cpuofl", respectively), and a CPU being kicked for being too | |
51 | * long in dyntick-idle mode ("kick"). | |
52 | */ | |
2d042821 | 53 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,19,0) || \ |
7348f21e | 54 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,80,0,0, 4,19,0,0,0,0)) |
248211c9 MJ |
55 | LTTNG_TRACEPOINT_EVENT(rcu_grace_period, |
56 | ||
57 | TP_PROTO(const char *rcuname, unsigned long gp_seq, const char *gpevent), | |
58 | ||
59 | TP_ARGS(rcuname, gp_seq, gpevent), | |
60 | ||
61 | TP_FIELDS( | |
62 | ctf_string(rcuname, rcuname) | |
63 | ctf_integer(unsigned long, gp_seq, gp_seq) | |
64 | ctf_string(gpevent, gpevent) | |
65 | ) | |
66 | ) | |
2d042821 | 67 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
3bc29f0a | 68 | LTTNG_TRACEPOINT_EVENT(rcu_grace_period, |
b87700e3 | 69 | |
01adf18e | 70 | TP_PROTO(const char *rcuname, unsigned long gpnum, const char *gpevent), |
248211c9 MJ |
71 | |
72 | TP_ARGS(rcuname, gpnum, gpevent), | |
73 | ||
74 | TP_FIELDS( | |
75 | ctf_string(rcuname, rcuname) | |
76 | ctf_integer(unsigned long, gpnum, gpnum) | |
77 | ctf_string(gpevent, gpevent) | |
78 | ) | |
79 | ) | |
80 | #else | |
81 | LTTNG_TRACEPOINT_EVENT(rcu_grace_period, | |
82 | ||
b87700e3 AG |
83 | TP_PROTO(char *rcuname, unsigned long gpnum, char *gpevent), |
84 | ||
85 | TP_ARGS(rcuname, gpnum, gpevent), | |
86 | ||
f127e61e MD |
87 | TP_FIELDS( |
88 | ctf_string(rcuname, rcuname) | |
89 | ctf_integer(unsigned long, gpnum, gpnum) | |
90 | ctf_string(gpevent, gpevent) | |
91 | ) | |
b87700e3 | 92 | ) |
248211c9 | 93 | #endif |
b87700e3 AG |
94 | |
95 | /* | |
96 | * Tracepoint for grace-period-initialization events. These are | |
97 | * distinguished by the type of RCU, the new grace-period number, the | |
98 | * rcu_node structure level, the starting and ending CPU covered by the | |
99 | * rcu_node structure, and the mask of CPUs that will be waited for. | |
100 | * All but the type of RCU are extracted from the rcu_node structure. | |
101 | */ | |
2d042821 | 102 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,19,0) || \ |
7348f21e | 103 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,80,0,0, 4,19,0,0,0,0)) |
248211c9 MJ |
104 | LTTNG_TRACEPOINT_EVENT(rcu_grace_period_init, |
105 | ||
106 | TP_PROTO(const char *rcuname, unsigned long gp_seq, u8 level, | |
107 | int grplo, int grphi, unsigned long qsmask), | |
108 | ||
109 | TP_ARGS(rcuname, gp_seq, level, grplo, grphi, qsmask), | |
110 | ||
111 | TP_FIELDS( | |
112 | ctf_string(rcuname, rcuname) | |
113 | ctf_integer(unsigned long, gp_seq, gp_seq) | |
114 | ctf_integer(u8, level, level) | |
115 | ctf_integer(int, grplo, grplo) | |
116 | ctf_integer(int, grphi, grphi) | |
117 | ctf_integer(unsigned long, qsmask, qsmask) | |
118 | ) | |
119 | ) | |
2d042821 | 120 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
3bc29f0a | 121 | LTTNG_TRACEPOINT_EVENT(rcu_grace_period_init, |
b87700e3 | 122 | |
01adf18e MD |
123 | TP_PROTO(const char *rcuname, unsigned long gpnum, u8 level, |
124 | int grplo, int grphi, unsigned long qsmask), | |
248211c9 MJ |
125 | |
126 | TP_ARGS(rcuname, gpnum, level, grplo, grphi, qsmask), | |
127 | ||
128 | TP_FIELDS( | |
129 | ctf_string(rcuname, rcuname) | |
130 | ctf_integer(unsigned long, gpnum, gpnum) | |
131 | ctf_integer(u8, level, level) | |
132 | ctf_integer(int, grplo, grplo) | |
133 | ctf_integer(int, grphi, grphi) | |
134 | ctf_integer(unsigned long, qsmask, qsmask) | |
135 | ) | |
136 | ) | |
137 | #else | |
138 | LTTNG_TRACEPOINT_EVENT(rcu_grace_period_init, | |
139 | ||
b87700e3 AG |
140 | TP_PROTO(char *rcuname, unsigned long gpnum, u8 level, |
141 | int grplo, int grphi, unsigned long qsmask), | |
142 | ||
143 | TP_ARGS(rcuname, gpnum, level, grplo, grphi, qsmask), | |
144 | ||
f127e61e MD |
145 | TP_FIELDS( |
146 | ctf_string(rcuname, rcuname) | |
147 | ctf_integer(unsigned long, gpnum, gpnum) | |
148 | ctf_integer(u8, level, level) | |
149 | ctf_integer(int, grplo, grplo) | |
150 | ctf_integer(int, grphi, grphi) | |
151 | ctf_integer(unsigned long, qsmask, qsmask) | |
152 | ) | |
b87700e3 | 153 | ) |
248211c9 | 154 | #endif |
b87700e3 AG |
155 | |
156 | /* | |
157 | * Tracepoint for tasks blocking within preemptible-RCU read-side | |
158 | * critical sections. Track the type of RCU (which one day might | |
159 | * include SRCU), the grace-period number that the task is blocking | |
160 | * (the current or the next), and the task's PID. | |
161 | */ | |
2d042821 | 162 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,19,0) || \ |
7348f21e | 163 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,80,0,0, 4,19,0,0,0,0)) |
248211c9 MJ |
164 | LTTNG_TRACEPOINT_EVENT(rcu_preempt_task, |
165 | ||
166 | TP_PROTO(const char *rcuname, int pid, unsigned long gp_seq), | |
167 | ||
168 | TP_ARGS(rcuname, pid, gp_seq), | |
169 | ||
170 | TP_FIELDS( | |
171 | ctf_string(rcuname, rcuname) | |
172 | ctf_integer(unsigned long, gp_seq, gp_seq) | |
173 | ctf_integer(int, pid, pid) | |
174 | ) | |
175 | ) | |
2d042821 | 176 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
3bc29f0a | 177 | LTTNG_TRACEPOINT_EVENT(rcu_preempt_task, |
b87700e3 | 178 | |
01adf18e | 179 | TP_PROTO(const char *rcuname, int pid, unsigned long gpnum), |
248211c9 MJ |
180 | |
181 | TP_ARGS(rcuname, pid, gpnum), | |
182 | ||
183 | TP_FIELDS( | |
184 | ctf_string(rcuname, rcuname) | |
185 | ctf_integer(unsigned long, gpnum, gpnum) | |
186 | ctf_integer(int, pid, pid) | |
187 | ) | |
188 | ) | |
189 | #else | |
190 | LTTNG_TRACEPOINT_EVENT(rcu_preempt_task, | |
191 | ||
b87700e3 AG |
192 | TP_PROTO(char *rcuname, int pid, unsigned long gpnum), |
193 | ||
194 | TP_ARGS(rcuname, pid, gpnum), | |
195 | ||
f127e61e MD |
196 | TP_FIELDS( |
197 | ctf_string(rcuname, rcuname) | |
198 | ctf_integer(unsigned long, gpnum, gpnum) | |
199 | ctf_integer(int, pid, pid) | |
200 | ) | |
b87700e3 | 201 | ) |
248211c9 | 202 | #endif |
b87700e3 AG |
203 | |
204 | /* | |
205 | * Tracepoint for tasks that blocked within a given preemptible-RCU | |
206 | * read-side critical section exiting that critical section. Track the | |
207 | * type of RCU (which one day might include SRCU) and the task's PID. | |
208 | */ | |
2d042821 | 209 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,19,0) || \ |
7348f21e | 210 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,80,0,0, 4,19,0,0,0,0)) |
248211c9 MJ |
211 | LTTNG_TRACEPOINT_EVENT(rcu_unlock_preempted_task, |
212 | ||
213 | TP_PROTO(const char *rcuname, unsigned long gp_seq, int pid), | |
214 | ||
215 | TP_ARGS(rcuname, gp_seq, pid), | |
216 | ||
217 | TP_FIELDS( | |
218 | ctf_string(rcuname, rcuname) | |
219 | ctf_integer(unsigned long, gp_seq, gp_seq) | |
220 | ctf_integer(int, pid, pid) | |
221 | ) | |
222 | ) | |
2d042821 | 223 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
3bc29f0a | 224 | LTTNG_TRACEPOINT_EVENT(rcu_unlock_preempted_task, |
b87700e3 | 225 | |
01adf18e | 226 | TP_PROTO(const char *rcuname, unsigned long gpnum, int pid), |
248211c9 MJ |
227 | |
228 | TP_ARGS(rcuname, gpnum, pid), | |
229 | ||
230 | TP_FIELDS( | |
231 | ctf_string(rcuname, rcuname) | |
232 | ctf_integer(unsigned long, gpnum, gpnum) | |
233 | ctf_integer(int, pid, pid) | |
234 | ) | |
235 | ) | |
236 | #else | |
237 | LTTNG_TRACEPOINT_EVENT(rcu_unlock_preempted_task, | |
238 | ||
b87700e3 AG |
239 | TP_PROTO(char *rcuname, unsigned long gpnum, int pid), |
240 | ||
241 | TP_ARGS(rcuname, gpnum, pid), | |
242 | ||
f127e61e MD |
243 | TP_FIELDS( |
244 | ctf_string(rcuname, rcuname) | |
245 | ctf_integer(unsigned long, gpnum, gpnum) | |
246 | ctf_integer(int, pid, pid) | |
247 | ) | |
b87700e3 | 248 | ) |
248211c9 | 249 | #endif |
b87700e3 AG |
250 | |
251 | /* | |
252 | * Tracepoint for quiescent-state-reporting events. These are | |
253 | * distinguished by the type of RCU, the grace-period number, the | |
254 | * mask of quiescent lower-level entities, the rcu_node structure level, | |
255 | * the starting and ending CPU covered by the rcu_node structure, and | |
256 | * whether there are any blocked tasks blocking the current grace period. | |
257 | * All but the type of RCU are extracted from the rcu_node structure. | |
258 | */ | |
2d042821 | 259 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,19,0) || \ |
7348f21e | 260 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,80,0,0, 4,19,0,0,0,0)) |
248211c9 MJ |
261 | LTTNG_TRACEPOINT_EVENT(rcu_quiescent_state_report, |
262 | ||
263 | TP_PROTO(const char *rcuname, unsigned long gp_seq, | |
264 | unsigned long mask, unsigned long qsmask, | |
265 | u8 level, int grplo, int grphi, int gp_tasks), | |
266 | ||
267 | TP_ARGS(rcuname, gp_seq, mask, qsmask, level, grplo, grphi, gp_tasks), | |
268 | ||
269 | TP_FIELDS( | |
270 | ctf_string(rcuname, rcuname) | |
271 | ctf_integer(unsigned long, gp_seq, gp_seq) | |
272 | ctf_integer(unsigned long, mask, mask) | |
273 | ctf_integer(unsigned long, qsmask, qsmask) | |
274 | ctf_integer(u8, level, level) | |
275 | ctf_integer(int, grplo, grplo) | |
276 | ctf_integer(int, grphi, grphi) | |
277 | ctf_integer(u8, gp_tasks, gp_tasks) | |
278 | ) | |
279 | ) | |
2d042821 | 280 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
3bc29f0a | 281 | LTTNG_TRACEPOINT_EVENT(rcu_quiescent_state_report, |
b87700e3 | 282 | |
01adf18e MD |
283 | TP_PROTO(const char *rcuname, unsigned long gpnum, |
284 | unsigned long mask, unsigned long qsmask, | |
285 | u8 level, int grplo, int grphi, int gp_tasks), | |
248211c9 MJ |
286 | |
287 | TP_ARGS(rcuname, gpnum, mask, qsmask, level, grplo, grphi, gp_tasks), | |
288 | ||
289 | TP_FIELDS( | |
290 | ctf_string(rcuname, rcuname) | |
291 | ctf_integer(unsigned long, gpnum, gpnum) | |
292 | ctf_integer(unsigned long, mask, mask) | |
293 | ctf_integer(unsigned long, qsmask, qsmask) | |
294 | ctf_integer(u8, level, level) | |
295 | ctf_integer(int, grplo, grplo) | |
296 | ctf_integer(int, grphi, grphi) | |
297 | ctf_integer(u8, gp_tasks, gp_tasks) | |
298 | ) | |
299 | ) | |
300 | #else | |
301 | LTTNG_TRACEPOINT_EVENT(rcu_quiescent_state_report, | |
302 | ||
b87700e3 AG |
303 | TP_PROTO(char *rcuname, unsigned long gpnum, |
304 | unsigned long mask, unsigned long qsmask, | |
305 | u8 level, int grplo, int grphi, int gp_tasks), | |
306 | ||
307 | TP_ARGS(rcuname, gpnum, mask, qsmask, level, grplo, grphi, gp_tasks), | |
308 | ||
f127e61e MD |
309 | TP_FIELDS( |
310 | ctf_string(rcuname, rcuname) | |
311 | ctf_integer(unsigned long, gpnum, gpnum) | |
312 | ctf_integer(unsigned long, mask, mask) | |
313 | ctf_integer(unsigned long, qsmask, qsmask) | |
314 | ctf_integer(u8, level, level) | |
315 | ctf_integer(int, grplo, grplo) | |
316 | ctf_integer(int, grphi, grphi) | |
317 | ctf_integer(u8, gp_tasks, gp_tasks) | |
318 | ) | |
b87700e3 | 319 | ) |
248211c9 | 320 | #endif |
b87700e3 AG |
321 | |
322 | /* | |
323 | * Tracepoint for quiescent states detected by force_quiescent_state(). | |
324 | * These trace events include the type of RCU, the grace-period number | |
325 | * that was blocked by the CPU, the CPU itself, and the type of quiescent | |
326 | * state, which can be "dti" for dyntick-idle mode, "ofl" for CPU offline, | |
327 | * or "kick" when kicking a CPU that has been in dyntick-idle mode for | |
328 | * too long. | |
329 | */ | |
2d042821 | 330 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,19,0) || \ |
7348f21e | 331 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,80,0,0, 4,19,0,0,0,0)) |
248211c9 MJ |
332 | LTTNG_TRACEPOINT_EVENT(rcu_fqs, |
333 | ||
334 | TP_PROTO(const char *rcuname, unsigned long gp_seq, int cpu, const char *qsevent), | |
335 | ||
336 | TP_ARGS(rcuname, gp_seq, cpu, qsevent), | |
337 | ||
338 | TP_FIELDS( | |
339 | ctf_integer(unsigned long, gp_seq, gp_seq) | |
340 | ctf_integer(int, cpu, cpu) | |
341 | ctf_string(rcuname, rcuname) | |
342 | ctf_string(qsevent, qsevent) | |
343 | ) | |
344 | ) | |
2d042821 | 345 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
3bc29f0a | 346 | LTTNG_TRACEPOINT_EVENT(rcu_fqs, |
b87700e3 | 347 | |
01adf18e | 348 | TP_PROTO(const char *rcuname, unsigned long gpnum, int cpu, const char *qsevent), |
248211c9 MJ |
349 | |
350 | TP_ARGS(rcuname, gpnum, cpu, qsevent), | |
351 | ||
352 | TP_FIELDS( | |
353 | ctf_integer(unsigned long, gpnum, gpnum) | |
354 | ctf_integer(int, cpu, cpu) | |
355 | ctf_string(rcuname, rcuname) | |
356 | ctf_string(qsevent, qsevent) | |
357 | ) | |
358 | ) | |
359 | #else | |
360 | LTTNG_TRACEPOINT_EVENT(rcu_fqs, | |
361 | ||
b87700e3 AG |
362 | TP_PROTO(char *rcuname, unsigned long gpnum, int cpu, char *qsevent), |
363 | ||
364 | TP_ARGS(rcuname, gpnum, cpu, qsevent), | |
365 | ||
f127e61e MD |
366 | TP_FIELDS( |
367 | ctf_integer(unsigned long, gpnum, gpnum) | |
368 | ctf_integer(int, cpu, cpu) | |
369 | ctf_string(rcuname, rcuname) | |
370 | ctf_string(qsevent, qsevent) | |
371 | ) | |
b87700e3 | 372 | ) |
248211c9 | 373 | #endif |
b87700e3 | 374 | |
12318fb8 MD |
375 | #endif /* |
376 | * #if defined(CONFIG_TREE_RCU) | |
2d042821 | 377 | * || (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,19,0) |
12318fb8 MD |
378 | * && defined(CONFIG_PREEMPT_RCU)) |
379 | * || defined(CONFIG_TREE_PREEMPT_RCU) | |
380 | */ | |
b87700e3 AG |
381 | |
382 | /* | |
383 | * Tracepoint for dyntick-idle entry/exit events. These take a string | |
384 | * as argument: "Start" for entering dyntick-idle mode, "End" for | |
385 | * leaving it, "--=" for events moving towards idle, and "++=" for events | |
386 | * moving away from idle. "Error on entry: not idle task" and "Error on | |
387 | * exit: not idle task" indicate that a non-idle task is erroneously | |
388 | * toying with the idle loop. | |
389 | * | |
390 | * These events also take a pair of numbers, which indicate the nesting | |
391 | * depth before and after the event of interest. Note that task-related | |
392 | * events use the upper bits of each number, while interrupt-related | |
393 | * events use the lower bits. | |
394 | */ | |
2d042821 | 395 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0)) \ |
32734926 | 396 | || LTTNG_KERNEL_RANGE(5,5,6, 5,6,0) \ |
0980f1c7 MJ |
397 | || LTTNG_KERNEL_RANGE(5,4,22, 5,5,0) \ |
398 | || LTTNG_UBUNTU_KERNEL_RANGE(5,0,21,46, 5,1,0,0) | |
a78060f4 MJ |
399 | LTTNG_TRACEPOINT_EVENT(rcu_dyntick, |
400 | ||
401 | TP_PROTO(const char *polarity, long oldnesting, long newnesting, int dynticks), | |
402 | ||
403 | TP_ARGS(polarity, oldnesting, newnesting, dynticks), | |
404 | ||
405 | TP_FIELDS( | |
406 | ctf_string(polarity, polarity) | |
407 | ctf_integer(long, oldnesting, oldnesting) | |
408 | ctf_integer(long, newnesting, newnesting) | |
409 | ctf_integer(int, dynticks, dynticks) | |
410 | ) | |
411 | ) | |
412 | ||
2d042821 | 413 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,16,0)) |
3bc29f0a | 414 | LTTNG_TRACEPOINT_EVENT(rcu_dyntick, |
b87700e3 | 415 | |
760a1cae MJ |
416 | TP_PROTO(const char *polarity, long oldnesting, long newnesting, atomic_t dynticks), |
417 | ||
418 | TP_ARGS(polarity, oldnesting, newnesting, dynticks), | |
419 | ||
420 | TP_FIELDS( | |
421 | ctf_string(polarity, polarity) | |
422 | ctf_integer(long, oldnesting, oldnesting) | |
423 | ctf_integer(long, newnesting, newnesting) | |
424 | ctf_integer(int, dynticks, atomic_read(&dynticks)) | |
425 | ) | |
426 | ) | |
427 | ||
2d042821 | 428 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
760a1cae | 429 | LTTNG_TRACEPOINT_EVENT(rcu_dyntick, |
01adf18e | 430 | |
01adf18e MD |
431 | TP_PROTO(const char *polarity, long long oldnesting, long long newnesting), |
432 | ||
433 | TP_ARGS(polarity, oldnesting, newnesting), | |
760a1cae MJ |
434 | |
435 | TP_FIELDS( | |
436 | ctf_string(polarity, polarity) | |
437 | ctf_integer(long long, oldnesting, oldnesting) | |
438 | ctf_integer(long long, newnesting, newnesting) | |
439 | ) | |
440 | ) | |
2d042821 | 441 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) |
760a1cae MJ |
442 | LTTNG_TRACEPOINT_EVENT(rcu_dyntick, |
443 | ||
b87700e3 AG |
444 | TP_PROTO(char *polarity, long long oldnesting, long long newnesting), |
445 | ||
446 | TP_ARGS(polarity, oldnesting, newnesting), | |
760a1cae MJ |
447 | |
448 | TP_FIELDS( | |
449 | ctf_string(polarity, polarity) | |
450 | ctf_integer(long long, oldnesting, oldnesting) | |
451 | ctf_integer(long long, newnesting, newnesting) | |
452 | ) | |
453 | ) | |
b87700e3 | 454 | #else |
760a1cae MJ |
455 | LTTNG_TRACEPOINT_EVENT(rcu_dyntick, |
456 | ||
b87700e3 AG |
457 | TP_PROTO(char *polarity), |
458 | ||
459 | TP_ARGS(polarity), | |
b87700e3 | 460 | |
f127e61e MD |
461 | TP_FIELDS( |
462 | ctf_string(polarity, polarity) | |
f127e61e | 463 | ) |
b87700e3 | 464 | ) |
760a1cae MJ |
465 | #endif |
466 | ||
b87700e3 | 467 | |
2d042821 | 468 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) |
b87700e3 AG |
469 | /* |
470 | * Tracepoint for RCU preparation for idle, the goal being to get RCU | |
471 | * processing done so that the current CPU can shut off its scheduling | |
472 | * clock and enter dyntick-idle mode. One way to accomplish this is | |
473 | * to drain all RCU callbacks from this CPU, and the other is to have | |
474 | * done everything RCU requires for the current grace period. In this | |
475 | * latter case, the CPU will be awakened at the end of the current grace | |
476 | * period in order to process the remainder of its callbacks. | |
477 | * | |
478 | * These tracepoints take a string as argument: | |
479 | * | |
480 | * "No callbacks": Nothing to do, no callbacks on this CPU. | |
481 | * "In holdoff": Nothing to do, holding off after unsuccessful attempt. | |
482 | * "Begin holdoff": Attempt failed, don't retry until next jiffy. | |
483 | * "Dyntick with callbacks": Entering dyntick-idle despite callbacks. | |
484 | * "Dyntick with lazy callbacks": Entering dyntick-idle w/lazy callbacks. | |
485 | * "More callbacks": Still more callbacks, try again to clear them out. | |
486 | * "Callbacks drained": All callbacks processed, off to dyntick idle! | |
487 | * "Timer": Timer fired to cause CPU to continue processing callbacks. | |
488 | * "Demigrate": Timer fired on wrong CPU, woke up correct CPU. | |
489 | * "Cleanup after idle": Idle exited, timer canceled. | |
490 | */ | |
3bc29f0a | 491 | LTTNG_TRACEPOINT_EVENT(rcu_prep_idle, |
b87700e3 | 492 | |
2d042821 | 493 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
01adf18e | 494 | TP_PROTO(const char *reason), |
2d042821 | 495 | #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ |
b87700e3 | 496 | TP_PROTO(char *reason), |
2d042821 | 497 | #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
498 | |
499 | TP_ARGS(reason), | |
500 | ||
f127e61e MD |
501 | TP_FIELDS( |
502 | ctf_string(reason, reason) | |
503 | ) | |
b87700e3 AG |
504 | ) |
505 | #endif | |
506 | ||
507 | /* | |
508 | * Tracepoint for the registration of a single RCU callback function. | |
509 | * The first argument is the type of RCU, the second argument is | |
510 | * a pointer to the RCU callback itself, the third element is the | |
511 | * number of lazy callbacks queued, and the fourth element is the | |
512 | * total number of callbacks queued. | |
513 | */ | |
2d042821 | 514 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0)) |
e68cc51c MJ |
515 | LTTNG_TRACEPOINT_EVENT(rcu_callback, |
516 | ||
517 | TP_PROTO(const char *rcuname, struct rcu_head *rhp, long qlen), | |
518 | ||
519 | TP_ARGS(rcuname, rhp, qlen), | |
520 | ||
521 | TP_FIELDS( | |
522 | ctf_string(rcuname, rcuname) | |
523 | ctf_integer_hex(void *, rhp, rhp) | |
524 | ctf_integer_hex(void *, func, rhp->func) | |
525 | ctf_integer(long, qlen, qlen) | |
526 | ) | |
527 | ) | |
2d042821 | 528 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
3bc29f0a | 529 | LTTNG_TRACEPOINT_EVENT(rcu_callback, |
b87700e3 | 530 | |
01adf18e MD |
531 | TP_PROTO(const char *rcuname, struct rcu_head *rhp, long qlen_lazy, |
532 | long qlen), | |
533 | ||
534 | TP_ARGS(rcuname, rhp, qlen_lazy, qlen), | |
e68cc51c MJ |
535 | |
536 | TP_FIELDS( | |
537 | ctf_string(rcuname, rcuname) | |
538 | ctf_integer_hex(void *, rhp, rhp) | |
539 | ctf_integer_hex(void *, func, rhp->func) | |
540 | ctf_integer(long, qlen_lazy, qlen_lazy) | |
541 | ctf_integer(long, qlen, qlen) | |
542 | ) | |
543 | ) | |
2d042821 | 544 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,4,0)) |
e68cc51c MJ |
545 | LTTNG_TRACEPOINT_EVENT(rcu_callback, |
546 | ||
b87700e3 AG |
547 | TP_PROTO(char *rcuname, struct rcu_head *rhp, long qlen_lazy, |
548 | long qlen), | |
549 | ||
550 | TP_ARGS(rcuname, rhp, qlen_lazy, qlen), | |
e68cc51c MJ |
551 | |
552 | TP_FIELDS( | |
553 | ctf_string(rcuname, rcuname) | |
554 | ctf_integer_hex(void *, rhp, rhp) | |
555 | ctf_integer_hex(void *, func, rhp->func) | |
556 | ctf_integer(long, qlen_lazy, qlen_lazy) | |
557 | ctf_integer(long, qlen, qlen) | |
558 | ) | |
559 | ) | |
b87700e3 | 560 | #else |
e68cc51c MJ |
561 | LTTNG_TRACEPOINT_EVENT(rcu_callback, |
562 | ||
b87700e3 AG |
563 | TP_PROTO(char *rcuname, struct rcu_head *rhp, long qlen), |
564 | ||
565 | TP_ARGS(rcuname, rhp, qlen), | |
b87700e3 | 566 | |
f127e61e MD |
567 | TP_FIELDS( |
568 | ctf_string(rcuname, rcuname) | |
fa91fcac MD |
569 | ctf_integer_hex(void *, rhp, rhp) |
570 | ctf_integer_hex(void *, func, rhp->func) | |
f127e61e MD |
571 | ctf_integer(long, qlen, qlen) |
572 | ) | |
b87700e3 | 573 | ) |
e68cc51c MJ |
574 | #endif |
575 | ||
b87700e3 AG |
576 | |
577 | /* | |
578 | * Tracepoint for the registration of a single RCU callback of the special | |
579 | * kfree() form. The first argument is the RCU type, the second argument | |
580 | * is a pointer to the RCU callback, the third argument is the offset | |
581 | * of the callback within the enclosing RCU-protected data structure, | |
582 | * the fourth argument is the number of lazy callbacks queued, and the | |
583 | * fifth argument is the total number of callbacks queued. | |
584 | */ | |
2d042821 | 585 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0)) |
3bc29f0a | 586 | LTTNG_TRACEPOINT_EVENT(rcu_kfree_callback, |
b87700e3 | 587 | |
e68cc51c MJ |
588 | TP_PROTO(const char *rcuname, struct rcu_head *rhp, unsigned long offset, |
589 | long qlen), | |
590 | ||
591 | TP_ARGS(rcuname, rhp, offset, qlen), | |
592 | ||
593 | TP_FIELDS( | |
594 | ctf_string(rcuname, rcuname) | |
595 | ctf_integer_hex(void *, rhp, rhp) | |
596 | ctf_integer_hex(unsigned long, offset, offset) | |
597 | ctf_integer(long, qlen, qlen) | |
598 | ) | |
599 | ) | |
2d042821 | 600 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
e68cc51c | 601 | LTTNG_TRACEPOINT_EVENT(rcu_kfree_callback, |
01adf18e | 602 | |
01adf18e MD |
603 | TP_PROTO(const char *rcuname, struct rcu_head *rhp, unsigned long offset, |
604 | long qlen_lazy, long qlen), | |
605 | ||
606 | TP_ARGS(rcuname, rhp, offset, qlen_lazy, qlen), | |
e68cc51c MJ |
607 | |
608 | TP_FIELDS( | |
609 | ctf_string(rcuname, rcuname) | |
610 | ctf_integer_hex(void *, rhp, rhp) | |
611 | ctf_integer_hex(unsigned long, offset, offset) | |
612 | ctf_integer(long, qlen_lazy, qlen_lazy) | |
613 | ctf_integer(long, qlen, qlen) | |
614 | ) | |
615 | ) | |
2d042821 | 616 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,4,0)) |
e68cc51c MJ |
617 | LTTNG_TRACEPOINT_EVENT(rcu_kfree_callback, |
618 | ||
b87700e3 AG |
619 | TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset, |
620 | long qlen_lazy, long qlen), | |
621 | ||
622 | TP_ARGS(rcuname, rhp, offset, qlen_lazy, qlen), | |
e68cc51c MJ |
623 | |
624 | TP_FIELDS( | |
625 | ctf_string(rcuname, rcuname) | |
626 | ctf_integer_hex(void *, rhp, rhp) | |
627 | ctf_integer_hex(unsigned long, offset, offset) | |
628 | ctf_integer(long, qlen_lazy, qlen_lazy) | |
629 | ctf_integer(long, qlen, qlen) | |
630 | ) | |
631 | ) | |
b87700e3 | 632 | #else |
e68cc51c MJ |
633 | LTTNG_TRACEPOINT_EVENT(rcu_kfree_callback, |
634 | ||
b87700e3 AG |
635 | TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset, |
636 | long qlen), | |
637 | ||
638 | TP_ARGS(rcuname, rhp, offset, qlen), | |
b87700e3 | 639 | |
f127e61e MD |
640 | TP_FIELDS( |
641 | ctf_string(rcuname, rcuname) | |
fa91fcac MD |
642 | ctf_integer_hex(void *, rhp, rhp) |
643 | ctf_integer_hex(unsigned long, offset, offset) | |
f127e61e MD |
644 | ctf_integer(long, qlen, qlen) |
645 | ) | |
b87700e3 | 646 | ) |
e68cc51c | 647 | #endif |
b87700e3 AG |
648 | |
649 | /* | |
650 | * Tracepoint for marking the beginning rcu_do_batch, performed to start | |
651 | * RCU callback invocation. The first argument is the RCU flavor, | |
652 | * the second is the number of lazy callbacks queued, the third is | |
653 | * the total number of callbacks queued, and the fourth argument is | |
654 | * the current RCU-callback batch limit. | |
655 | */ | |
2d042821 | 656 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0)) |
e68cc51c MJ |
657 | LTTNG_TRACEPOINT_EVENT(rcu_batch_start, |
658 | ||
659 | TP_PROTO(const char *rcuname, long qlen, long blimit), | |
660 | ||
661 | TP_ARGS(rcuname, qlen, blimit), | |
662 | ||
663 | TP_FIELDS( | |
664 | ctf_string(rcuname, rcuname) | |
665 | ctf_integer(long, qlen, qlen) | |
666 | ctf_integer(long, blimit, blimit) | |
667 | ) | |
668 | ) | |
2d042821 | 669 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
3bc29f0a | 670 | LTTNG_TRACEPOINT_EVENT(rcu_batch_start, |
b87700e3 | 671 | |
01adf18e MD |
672 | TP_PROTO(const char *rcuname, long qlen_lazy, long qlen, long blimit), |
673 | ||
674 | TP_ARGS(rcuname, qlen_lazy, qlen, blimit), | |
e68cc51c MJ |
675 | |
676 | TP_FIELDS( | |
677 | ctf_string(rcuname, rcuname) | |
678 | ctf_integer(long, qlen_lazy, qlen_lazy) | |
679 | ctf_integer(long, qlen, qlen) | |
680 | ctf_integer(long, blimit, blimit) | |
681 | ) | |
682 | ) | |
2d042821 | 683 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) |
e68cc51c MJ |
684 | LTTNG_TRACEPOINT_EVENT(rcu_batch_start, |
685 | ||
4b4111c9 MD |
686 | TP_PROTO(char *rcuname, long qlen_lazy, long qlen, long blimit), |
687 | ||
688 | TP_ARGS(rcuname, qlen_lazy, qlen, blimit), | |
e68cc51c MJ |
689 | |
690 | TP_FIELDS( | |
691 | ctf_string(rcuname, rcuname) | |
692 | ctf_integer(long, qlen_lazy, qlen_lazy) | |
693 | ctf_integer(long, qlen, qlen) | |
694 | ctf_integer(long, blimit, blimit) | |
695 | ) | |
696 | ) | |
2d042821 | 697 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,4,0)) |
e68cc51c MJ |
698 | LTTNG_TRACEPOINT_EVENT(rcu_batch_start, |
699 | ||
b87700e3 AG |
700 | TP_PROTO(char *rcuname, long qlen_lazy, long qlen, int blimit), |
701 | ||
702 | TP_ARGS(rcuname, qlen_lazy, qlen, blimit), | |
e68cc51c MJ |
703 | |
704 | TP_FIELDS( | |
705 | ctf_string(rcuname, rcuname) | |
706 | ctf_integer(long, qlen_lazy, qlen_lazy) | |
707 | ctf_integer(long, qlen, qlen) | |
708 | ctf_integer(int, blimit, blimit) | |
709 | ) | |
710 | ) | |
b87700e3 | 711 | #else |
e68cc51c MJ |
712 | LTTNG_TRACEPOINT_EVENT(rcu_batch_start, |
713 | ||
b87700e3 AG |
714 | TP_PROTO(char *rcuname, long qlen, int blimit), |
715 | ||
716 | TP_ARGS(rcuname, qlen, blimit), | |
b87700e3 | 717 | |
f127e61e MD |
718 | TP_FIELDS( |
719 | ctf_string(rcuname, rcuname) | |
f127e61e | 720 | ctf_integer(long, qlen, qlen) |
f127e61e | 721 | ctf_integer(int, blimit, blimit) |
f127e61e | 722 | ) |
b87700e3 | 723 | ) |
e68cc51c | 724 | #endif |
b87700e3 AG |
725 | |
726 | /* | |
727 | * Tracepoint for the invocation of a single RCU callback function. | |
728 | * The first argument is the type of RCU, and the second argument is | |
729 | * a pointer to the RCU callback itself. | |
730 | */ | |
3bc29f0a | 731 | LTTNG_TRACEPOINT_EVENT(rcu_invoke_callback, |
b87700e3 | 732 | |
2d042821 | 733 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
01adf18e | 734 | TP_PROTO(const char *rcuname, struct rcu_head *rhp), |
2d042821 | 735 | #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ |
b87700e3 | 736 | TP_PROTO(char *rcuname, struct rcu_head *rhp), |
2d042821 | 737 | #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
738 | |
739 | TP_ARGS(rcuname, rhp), | |
740 | ||
f127e61e MD |
741 | TP_FIELDS( |
742 | ctf_string(rcuname, rcuname) | |
fa91fcac MD |
743 | ctf_integer_hex(void *, rhp, rhp) |
744 | ctf_integer_hex(void *, func, rhp->func) | |
f127e61e | 745 | ) |
b87700e3 AG |
746 | ) |
747 | ||
748 | /* | |
749 | * Tracepoint for the invocation of a single RCU callback of the special | |
750 | * kfree() form. The first argument is the RCU flavor, the second | |
751 | * argument is a pointer to the RCU callback, and the third argument | |
752 | * is the offset of the callback within the enclosing RCU-protected | |
753 | * data structure. | |
754 | */ | |
3bc29f0a | 755 | LTTNG_TRACEPOINT_EVENT(rcu_invoke_kfree_callback, |
b87700e3 | 756 | |
2d042821 | 757 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
01adf18e | 758 | TP_PROTO(const char *rcuname, struct rcu_head *rhp, unsigned long offset), |
2d042821 | 759 | #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ |
b87700e3 | 760 | TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset), |
2d042821 | 761 | #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
762 | |
763 | TP_ARGS(rcuname, rhp, offset), | |
764 | ||
f127e61e MD |
765 | TP_FIELDS( |
766 | ctf_string(rcuname, rcuname) | |
fa91fcac | 767 | ctf_integer_hex(void *, rhp, rhp) |
f127e61e MD |
768 | ctf_integer(unsigned long, offset, offset) |
769 | ) | |
b87700e3 AG |
770 | ) |
771 | ||
772 | /* | |
773 | * Tracepoint for exiting rcu_do_batch after RCU callbacks have been | |
774 | * invoked. The first argument is the name of the RCU flavor, | |
775 | * the second argument is number of callbacks actually invoked, | |
776 | * the third argument (cb) is whether or not any of the callbacks that | |
777 | * were ready to invoke at the beginning of this batch are still | |
778 | * queued, the fourth argument (nr) is the return value of need_resched(), | |
779 | * the fifth argument (iit) is 1 if the current task is the idle task, | |
780 | * and the sixth argument (risk) is the return value from | |
781 | * rcu_is_callbacks_kthread(). | |
782 | */ | |
3bc29f0a | 783 | LTTNG_TRACEPOINT_EVENT(rcu_batch_end, |
b87700e3 | 784 | |
2d042821 | 785 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,13,0)) |
01adf18e MD |
786 | TP_PROTO(const char *rcuname, int callbacks_invoked, |
787 | char cb, char nr, char iit, char risk), | |
788 | ||
789 | TP_ARGS(rcuname, callbacks_invoked, cb, nr, iit, risk), | |
2d042821 | 790 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
01adf18e MD |
791 | TP_PROTO(const char *rcuname, int callbacks_invoked, |
792 | bool cb, bool nr, bool iit, bool risk), | |
793 | ||
794 | TP_ARGS(rcuname, callbacks_invoked, cb, nr, iit, risk), | |
2d042821 | 795 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) |
b87700e3 AG |
796 | TP_PROTO(char *rcuname, int callbacks_invoked, |
797 | bool cb, bool nr, bool iit, bool risk), | |
798 | ||
799 | TP_ARGS(rcuname, callbacks_invoked, cb, nr, iit, risk), | |
800 | #else | |
801 | TP_PROTO(char *rcuname, int callbacks_invoked), | |
802 | ||
803 | TP_ARGS(rcuname, callbacks_invoked), | |
804 | #endif | |
805 | ||
f127e61e MD |
806 | TP_FIELDS( |
807 | ctf_string(rcuname, rcuname) | |
808 | ctf_integer(int, callbacks_invoked, callbacks_invoked) | |
2d042821 | 809 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,13,0)) |
f127e61e MD |
810 | ctf_integer(char, cb, cb) |
811 | ctf_integer(char, nr, nr) | |
812 | ctf_integer(char, iit, iit) | |
813 | ctf_integer(char, risk, risk) | |
2d042821 | 814 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) |
f127e61e MD |
815 | ctf_integer(bool, cb, cb) |
816 | ctf_integer(bool, nr, nr) | |
817 | ctf_integer(bool, iit, iit) | |
818 | ctf_integer(bool, risk, risk) | |
b87700e3 | 819 | #endif |
f127e61e | 820 | ) |
b87700e3 AG |
821 | ) |
822 | ||
2d042821 | 823 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) |
b87700e3 AG |
824 | /* |
825 | * Tracepoint for rcutorture readers. The first argument is the name | |
826 | * of the RCU flavor from rcutorture's viewpoint and the second argument | |
827 | * is the callback address. | |
828 | */ | |
3bc29f0a | 829 | LTTNG_TRACEPOINT_EVENT(rcu_torture_read, |
b87700e3 | 830 | |
2d042821 | 831 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
01adf18e MD |
832 | TP_PROTO(const char *rcutorturename, struct rcu_head *rhp, |
833 | unsigned long secs, unsigned long c_old, unsigned long c), | |
834 | ||
835 | TP_ARGS(rcutorturename, rhp, secs, c_old, c), | |
2d042821 | 836 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) |
a828b9d5 MD |
837 | TP_PROTO(char *rcutorturename, struct rcu_head *rhp, |
838 | unsigned long secs, unsigned long c_old, unsigned long c), | |
839 | ||
840 | TP_ARGS(rcutorturename, rhp, secs, c_old, c), | |
841 | #else | |
b87700e3 AG |
842 | TP_PROTO(char *rcutorturename, struct rcu_head *rhp), |
843 | ||
844 | TP_ARGS(rcutorturename, rhp), | |
a828b9d5 | 845 | #endif |
b87700e3 | 846 | |
f127e61e MD |
847 | TP_FIELDS( |
848 | ctf_string(rcutorturename, rcutorturename) | |
fa91fcac | 849 | ctf_integer_hex(struct rcu_head *, rhp, rhp) |
2d042821 | 850 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) |
f127e61e MD |
851 | ctf_integer(unsigned long, secs, secs) |
852 | ctf_integer(unsigned long, c_old, c_old) | |
853 | ctf_integer(unsigned long, c, c) | |
a828b9d5 | 854 | #endif |
f127e61e | 855 | ) |
b87700e3 AG |
856 | ) |
857 | #endif | |
858 | ||
2d042821 | 859 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,6,0)) |
b87700e3 AG |
860 | /* |
861 | * Tracepoint for _rcu_barrier() execution. The string "s" describes | |
862 | * the _rcu_barrier phase: | |
863 | * "Begin": rcu_barrier_callback() started. | |
864 | * "Check": rcu_barrier_callback() checking for piggybacking. | |
865 | * "EarlyExit": rcu_barrier_callback() piggybacked, thus early exit. | |
866 | * "Inc1": rcu_barrier_callback() piggyback check counter incremented. | |
867 | * "Offline": rcu_barrier_callback() found offline CPU | |
868 | * "OnlineQ": rcu_barrier_callback() found online CPU with callbacks. | |
869 | * "OnlineNQ": rcu_barrier_callback() found online CPU, no callbacks. | |
870 | * "IRQ": An rcu_barrier_callback() callback posted on remote CPU. | |
871 | * "CB": An rcu_barrier_callback() invoked a callback, not the last. | |
872 | * "LastCB": An rcu_barrier_callback() invoked the last callback. | |
873 | * "Inc2": rcu_barrier_callback() piggyback check counter incremented. | |
874 | * The "cpu" argument is the CPU or -1 if meaningless, the "cnt" argument | |
875 | * is the count of remaining callbacks, and "done" is the piggybacking count. | |
876 | */ | |
3bc29f0a | 877 | LTTNG_TRACEPOINT_EVENT(rcu_barrier, |
b87700e3 | 878 | |
2d042821 | 879 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) |
01adf18e | 880 | TP_PROTO(const char *rcuname, const char *s, int cpu, int cnt, unsigned long done), |
2d042821 | 881 | #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ |
b87700e3 | 882 | TP_PROTO(char *rcuname, char *s, int cpu, int cnt, unsigned long done), |
2d042821 | 883 | #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ |
b87700e3 AG |
884 | |
885 | TP_ARGS(rcuname, s, cpu, cnt, done), | |
886 | ||
f127e61e MD |
887 | TP_FIELDS( |
888 | ctf_string(rcuname, rcuname) | |
889 | ctf_string(s, s) | |
890 | ctf_integer(int, cpu, cpu) | |
891 | ctf_integer(int, cnt, cnt) | |
892 | ctf_integer(unsigned long, done, done) | |
893 | ) | |
b87700e3 AG |
894 | ) |
895 | #endif | |
896 | ||
897 | #else /* #ifdef CONFIG_RCU_TRACE */ | |
898 | ||
2d042821 | 899 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,19,0) || \ |
7348f21e | 900 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,80,0,0, 4,19,0,0,0,0)) |
248211c9 MJ |
901 | #define trace_rcu_grace_period(rcuname, gp_seq, gpevent) do { } while (0) |
902 | #define trace_rcu_grace_period_init(rcuname, gp_seq, level, grplo, grphi, \ | |
903 | qsmask) do { } while (0) | |
904 | #define trace_rcu_preempt_task(rcuname, pid, gp_seq) do { } while (0) | |
905 | #define trace_rcu_unlock_preempted_task(rcuname, gp_seq, pid) do { } while (0) | |
906 | #define trace_rcu_quiescent_state_report(rcuname, gp_seq, mask, qsmask, level, \ | |
907 | grplo, grphi, gp_tasks) do { } \ | |
908 | while (0) | |
909 | #define trace_rcu_fqs(rcuname, gp_seq, cpu, qsevent) do { } while (0) | |
910 | #else | |
b87700e3 AG |
911 | #define trace_rcu_grace_period(rcuname, gpnum, gpevent) do { } while (0) |
912 | #define trace_rcu_grace_period_init(rcuname, gpnum, level, grplo, grphi, \ | |
913 | qsmask) do { } while (0) | |
914 | #define trace_rcu_preempt_task(rcuname, pid, gpnum) do { } while (0) | |
915 | #define trace_rcu_unlock_preempted_task(rcuname, gpnum, pid) do { } while (0) | |
916 | #define trace_rcu_quiescent_state_report(rcuname, gpnum, mask, qsmask, level, \ | |
917 | grplo, grphi, gp_tasks) do { } \ | |
918 | while (0) | |
919 | #define trace_rcu_fqs(rcuname, gpnum, cpu, qsevent) do { } while (0) | |
248211c9 MJ |
920 | #endif |
921 | ||
2d042821 | 922 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,16,0)) |
f442e68c | 923 | #define trace_rcu_dyntick(polarity, oldnesting, newnesting, dyntick) do { } while (0) |
2d042821 | 924 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) |
b87700e3 AG |
925 | #define trace_rcu_dyntick(polarity, oldnesting, newnesting) do { } while (0) |
926 | #else | |
927 | #define trace_rcu_dyntick(polarity) do { } while (0) | |
928 | #endif | |
2d042821 | 929 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) |
b87700e3 AG |
930 | #define trace_rcu_prep_idle(reason) do { } while (0) |
931 | #endif | |
2d042821 | 932 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,4,0)) |
b87700e3 AG |
933 | #define trace_rcu_callback(rcuname, rhp, qlen_lazy, qlen) do { } while (0) |
934 | #define trace_rcu_kfree_callback(rcuname, rhp, offset, qlen_lazy, qlen) \ | |
935 | do { } while (0) | |
936 | #define trace_rcu_batch_start(rcuname, qlen_lazy, qlen, blimit) \ | |
937 | do { } while (0) | |
938 | #else | |
939 | #define trace_rcu_callback(rcuname, rhp, qlen) do { } while (0) | |
940 | #define trace_rcu_kfree_callback(rcuname, rhp, offset, qlen) do { } while (0) | |
941 | #define trace_rcu_batch_start(rcuname, qlen, blimit) do { } while (0) | |
942 | #endif | |
943 | #define trace_rcu_invoke_callback(rcuname, rhp) do { } while (0) | |
944 | #define trace_rcu_invoke_kfree_callback(rcuname, rhp, offset) do { } while (0) | |
2d042821 | 945 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) |
b87700e3 AG |
946 | #define trace_rcu_batch_end(rcuname, callbacks_invoked, cb, nr, iit, risk) \ |
947 | do { } while (0) | |
948 | #else | |
949 | #define trace_rcu_batch_end(rcuname, callbacks_invoked) do { } while (0) | |
950 | #endif | |
2d042821 | 951 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) |
a828b9d5 MD |
952 | #define trace_rcu_torture_read(rcutorturename, rhp, secs, c_old, c) \ |
953 | do { } while (0) | |
2d042821 | 954 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) |
b87700e3 AG |
955 | #define trace_rcu_torture_read(rcutorturename, rhp) do { } while (0) |
956 | #endif | |
2d042821 | 957 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,6,0)) |
b87700e3 AG |
958 | #define trace_rcu_barrier(name, s, cpu, cnt, done) do { } while (0) |
959 | #endif | |
960 | #endif /* #else #ifdef CONFIG_RCU_TRACE */ | |
961 | ||
3bc29f0a | 962 | #endif /* LTTNG_TRACE_RCU_H */ |
b87700e3 AG |
963 | |
964 | /* This part must be outside protection */ | |
6ec43db8 | 965 | #include <probes/define_trace.h> |