1 /* Copyright (c) 2008-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "mc_request.h"
9 #include "mc_private.h"
12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_request, mc,
13 "Logging specific to MC (request)");
15 static char *pointer_to_string(void *pointer);
16 static char *buff_size_to_string(size_t size);
18 int MC_request_depend(smx_simcall_t r1, smx_simcall_t r2)
20 if (mc_reduce_kind == e_mc_reduce_none)
23 if (r1->issuer == r2->issuer)
26 /* Wait with timeout transitions are not considered by the independance theorem, thus we consider them as dependant with all other transitions */
27 if ((r1->call == SIMCALL_COMM_WAIT && simcall_comm_wait__get__timeout(r1) > 0)
28 || (r2->call == SIMCALL_COMM_WAIT
29 && simcall_comm_wait__get__timeout(r2) > 0))
32 if (r1->call == SIMCALL_COMM_ISEND && r2->call == SIMCALL_COMM_IRECV)
35 if (r1->call == SIMCALL_COMM_IRECV && r2->call == SIMCALL_COMM_ISEND)
38 // Read object from MCed memory:
39 s_smx_synchro_t synchro1, synchro2;
40 if (r1->call == SIMCALL_COMM_WAIT) {
41 MC_process_read_simple(&mc_model_checker->process, &synchro1,
42 simcall_comm_wait__get__comm(r1), sizeof(synchro1));
44 if (r2->call == SIMCALL_COMM_WAIT) {
45 MC_process_read_simple(&mc_model_checker->process, &synchro2,
46 simcall_comm_wait__get__comm(r2), sizeof(synchro2));
48 if (r1->call == SIMCALL_COMM_TEST) {
49 MC_process_read_simple(&mc_model_checker->process, &synchro1,
50 simcall_comm_test__get__comm(r1), sizeof(synchro1));
52 if (r2->call == SIMCALL_COMM_TEST) {
53 MC_process_read_simple(&mc_model_checker->process, &synchro2,
54 simcall_comm_test__get__comm(r2), sizeof(synchro2));
57 if ((r1->call == SIMCALL_COMM_ISEND || r1->call == SIMCALL_COMM_IRECV)
58 && r2->call == SIMCALL_COMM_WAIT) {
62 SIMCALL_COMM_ISEND ? simcall_comm_isend__get__rdv(r1) :
63 simcall_comm_irecv__get__rdv(r1);
65 // FIXME, remote access to comm object
67 if (rdv != synchro2.comm.rdv_cpy
68 && simcall_comm_wait__get__timeout(r2) <= 0)
71 if ((r1->issuer != synchro2.comm.src_proc)
72 && (r1->issuer != synchro2.comm.dst_proc)
73 && simcall_comm_wait__get__timeout(r2) <= 0)
76 if ((r1->call == SIMCALL_COMM_ISEND)
77 && (synchro2.comm.type == SIMIX_COMM_SEND)
78 && (synchro2.comm.src_buff !=
79 simcall_comm_isend__get__src_buff(r1))
80 && simcall_comm_wait__get__timeout(r2) <= 0)
83 if ((r1->call == SIMCALL_COMM_IRECV)
84 && (synchro2.comm.type == SIMIX_COMM_RECEIVE)
85 && (synchro2.comm.dst_buff != simcall_comm_irecv__get__dst_buff(r1))
86 && simcall_comm_wait__get__timeout(r2) <= 0)
90 if ((r2->call == SIMCALL_COMM_ISEND || r2->call == SIMCALL_COMM_IRECV)
91 && r1->call == SIMCALL_COMM_WAIT) {
95 SIMCALL_COMM_ISEND ? simcall_comm_isend__get__rdv(r2) :
96 simcall_comm_irecv__get__rdv(r2);
98 if (rdv != synchro1.comm.rdv_cpy
99 && simcall_comm_wait__get__timeout(r1) <= 0)
102 if ((r2->issuer != synchro1.comm.src_proc)
103 && (r2->issuer != synchro1.comm.dst_proc)
104 && simcall_comm_wait__get__timeout(r1) <= 0)
107 if ((r2->call == SIMCALL_COMM_ISEND)
108 && (synchro1.comm.type == SIMIX_COMM_SEND)
109 && (synchro1.comm.src_buff !=
110 simcall_comm_isend__get__src_buff(r2))
111 && simcall_comm_wait__get__timeout(r1) <= 0)
114 if ((r2->call == SIMCALL_COMM_IRECV)
115 && (synchro1.comm.type == SIMIX_COMM_RECEIVE)
116 && (synchro1.comm.dst_buff !=
117 simcall_comm_irecv__get__dst_buff(r2))
118 && simcall_comm_wait__get__timeout(r1) <= 0)
122 /* FIXME: the following rule assumes that the result of the
123 * isend/irecv call is not stored in a buffer used in the
125 /*if( (r1->call == SIMCALL_COMM_ISEND || r1->call == SIMCALL_COMM_IRECV)
126 && r2->call == SIMCALL_COMM_TEST)
129 /* FIXME: the following rule assumes that the result of the
130 * isend/irecv call is not stored in a buffer used in the
132 /*if( (r2->call == SIMCALL_COMM_ISEND || r2->call == SIMCALL_COMM_IRECV)
133 && r1->call == SIMCALL_COMM_TEST)
136 if (r1->call == SIMCALL_COMM_ISEND && r2->call == SIMCALL_COMM_ISEND
137 && simcall_comm_isend__get__rdv(r1) != simcall_comm_isend__get__rdv(r2))
140 if (r1->call == SIMCALL_COMM_IRECV && r2->call == SIMCALL_COMM_IRECV
141 && simcall_comm_irecv__get__rdv(r1) != simcall_comm_irecv__get__rdv(r2))
144 if (r1->call == SIMCALL_COMM_WAIT
145 && (r2->call == SIMCALL_COMM_WAIT || r2->call == SIMCALL_COMM_TEST)
146 && (synchro1.comm.src_proc == NULL || synchro1.comm.dst_proc == NULL))
149 if (r2->call == SIMCALL_COMM_WAIT
150 && (r1->call == SIMCALL_COMM_WAIT || r1->call == SIMCALL_COMM_TEST)
151 && (synchro2.comm.src_proc == NULL || synchro2.comm.dst_proc == NULL))
154 if (r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_WAIT
155 && synchro1.comm.src_buff == synchro2.comm.src_buff
156 && synchro2.comm.dst_buff == synchro2.comm.dst_buff)
159 if (r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_WAIT
160 && synchro1.comm.src_buff != NULL
161 && synchro1.comm.dst_buff != NULL
162 && synchro2.comm.src_buff != NULL
163 && synchro2.comm.dst_buff != NULL
164 && synchro1.comm.dst_buff != synchro2.comm.src_buff
165 && synchro1.comm.dst_buff != synchro2.comm.dst_buff
166 && synchro2.comm.dst_buff != synchro1.comm.src_buff)
169 if (r1->call == SIMCALL_COMM_TEST &&
170 (simcall_comm_test__get__comm(r1) == NULL
171 || synchro1.comm.src_buff == NULL
172 || synchro1.comm.dst_buff == NULL))
175 if (r2->call == SIMCALL_COMM_TEST &&
176 (simcall_comm_test__get__comm(r2) == NULL
177 || synchro2.comm.src_buff == NULL
178 || synchro2.comm.dst_buff == NULL))
181 if (r1->call == SIMCALL_COMM_TEST && r2->call == SIMCALL_COMM_WAIT
182 && synchro1.comm.src_buff == synchro2.comm.src_buff
183 && synchro1.comm.dst_buff == synchro2.comm.dst_buff)
186 if (r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_TEST
187 && synchro1.comm.src_buff == synchro2.comm.src_buff
188 && synchro1.comm.dst_buff == synchro2.comm.dst_buff)
191 if (r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_TEST
192 && synchro1.comm.src_buff != NULL
193 && synchro1.comm.dst_buff != NULL
194 && synchro2.comm.src_buff != NULL
195 && synchro2.comm.dst_buff != NULL
196 && synchro1.comm.dst_buff != synchro2.comm.src_buff
197 && synchro1.comm.dst_buff != synchro2.comm.dst_buff
198 && synchro2.comm.dst_buff != synchro1.comm.src_buff)
201 if (r1->call == SIMCALL_COMM_TEST && r2->call == SIMCALL_COMM_WAIT
202 && synchro1.comm.src_buff != NULL
203 && synchro1.comm.dst_buff != NULL
204 && synchro2.comm.src_buff != NULL
205 && synchro2.comm.dst_buff != NULL
206 && synchro1.comm.dst_buff != synchro2.comm.src_buff
207 && synchro1.comm.dst_buff != synchro2.comm.dst_buff
208 && synchro2.comm.dst_buff != synchro1.comm.src_buff)
214 static char *pointer_to_string(void *pointer)
217 if (XBT_LOG_ISENABLED(mc_request, xbt_log_priority_verbose))
218 return bprintf("%p", pointer);
220 return xbt_strdup("(verbose only)");
223 static char *buff_size_to_string(size_t buff_size)
226 if (XBT_LOG_ISENABLED(mc_request, xbt_log_priority_verbose))
227 return bprintf("%zu", buff_size);
229 return xbt_strdup("(verbose only)");
233 char *MC_request_to_string(smx_simcall_t req, int value)
235 const char* type = NULL;
236 char *args = NULL, *str = NULL, *p = NULL, *bs = NULL;
237 smx_synchro_t act = NULL;
238 smx_mutex_t mutex = NULL;
241 smx_process_t issuer = MC_smx_simcall_get_issuer(req);
244 case SIMCALL_COMM_ISEND:
246 p = pointer_to_string(simcall_comm_isend__get__src_buff(req));
247 bs = buff_size_to_string(simcall_comm_isend__get__src_buff_size(req));
248 if (issuer->smx_host)
250 bprintf("src=(%lu)%s (%s), buff=%s, size=%s", issuer->pid,
251 MC_smx_process_get_host_name(issuer),
252 MC_smx_process_get_name(issuer),
256 bprintf("src=(%lu)%s, buff=%s, size=%s", issuer->pid,
257 MC_smx_process_get_name(issuer), p, bs);
259 case SIMCALL_COMM_IRECV:
260 // TODO, REMOTE(*simcall_comm_irecv__get__dst_buff_size(req))
262 simcall_comm_irecv__get__dst_buff_size(req) ?
263 *simcall_comm_irecv__get__dst_buff_size(req) : 0;
265 p = pointer_to_string(simcall_comm_irecv__get__dst_buff(req));
266 bs = buff_size_to_string(size);
267 if (issuer->smx_host)
269 bprintf("dst=(%lu)%s (%s), buff=%s, size=%s", issuer->pid,
270 MC_smx_process_get_host_name(issuer),
271 MC_smx_process_get_name(issuer),
275 bprintf("dst=(%lu)%s, buff=%s, size=%s", issuer->pid,
276 MC_smx_process_get_name(issuer),
279 case SIMCALL_COMM_WAIT:
280 act = simcall_comm_wait__get__comm(req);
282 type = "WaitTimeout";
283 p = pointer_to_string(act);
284 args = bprintf("comm=%s", p);
287 p = pointer_to_string(act);
288 // TODO, fix remote access to comm
289 smx_process_t src_proc = MC_smx_resolve_process(act->comm.src_proc);
290 smx_process_t dst_proc = MC_smx_resolve_process(act->comm.dst_proc);
291 args = bprintf("comm=%s [(%lu)%s (%s)-> (%lu)%s (%s)]", p,
292 src_proc ? src_proc->pid : 0,
293 src_proc ? MC_smx_process_get_host_name(src_proc) : "",
294 src_proc ? MC_smx_process_get_name(src_proc) : "",
295 dst_proc ? dst_proc->pid : 0,
296 dst_proc ? MC_smx_process_get_host_name(dst_proc) : "",
297 dst_proc ? MC_smx_process_get_name(dst_proc) : "");
300 case SIMCALL_COMM_TEST:
301 act = simcall_comm_test__get__comm(req);
302 if (act->comm.src_proc == NULL || act->comm.dst_proc == NULL) {
304 p = pointer_to_string(act);
305 args = bprintf("comm=%s", p);
308 p = pointer_to_string(act);
309 // TODO, get process, get process name
310 smx_process_t src_proc = MC_smx_resolve_process(act->comm.src_proc);
311 smx_process_t dst_proc = MC_smx_resolve_process(act->comm.dst_proc);
312 args = bprintf("comm=%s [(%lu)%s (%s) -> (%lu)%s (%s)]", p,
314 MC_smx_process_get_name(src_proc),
315 MC_smx_process_get_host_name(src_proc),
317 MC_smx_process_get_name(dst_proc),
318 MC_smx_process_get_host_name(dst_proc));
322 case SIMCALL_COMM_WAITANY:
324 if (!xbt_dynar_is_empty(simcall_comm_waitany__get__comms(req))) {
325 p = pointer_to_string(xbt_dynar_get_as
326 (simcall_comm_waitany__get__comms(req), value,
329 bprintf("comm=%s (%d of %lu)", p, value + 1,
330 xbt_dynar_length(simcall_comm_waitany__get__comms(req)));
332 args = bprintf("comm at idx %d", value);
336 case SIMCALL_COMM_TESTANY:
338 type = "TestAny FALSE";
339 args = xbt_strdup("-");
343 bprintf("(%d of %lu)", value + 1,
344 xbt_dynar_length(simcall_comm_testany__get__comms(req)));
348 case SIMCALL_MUTEX_LOCK:
349 mutex = simcall_mutex_lock__get__mutex(req);
351 args = bprintf("locked = %d, owner = %d, sleeping = %d", mutex->locked, mutex->owner != NULL ? (int)mutex->owner->pid : -1, xbt_swag_size(mutex->sleeping));
354 case SIMCALL_MC_SNAPSHOT:
355 type = "MC_SNAPSHOT";
359 case SIMCALL_MC_COMPARE_SNAPSHOTS:
360 type = "MC_COMPARE_SNAPSHOTS";
364 case SIMCALL_MC_RANDOM:
366 args = bprintf("%d", value);
374 // FIXME, get process name
376 bprintf("[(%lu)%s (%s)] %s(%s)", issuer->pid,
377 MC_smx_process_get_host_name(issuer),
378 MC_smx_process_get_name(issuer),
381 // FIXME, get process name
383 bprintf("[(%lu)%s (%s)] %s ", issuer->pid,
384 MC_smx_process_get_host_name(issuer),
385 MC_smx_process_get_name(issuer),
395 unsigned int MC_request_testany_fail(smx_simcall_t req)
398 smx_synchro_t action;
400 xbt_dynar_foreach(simcall_comm_testany__get__comms(req), cursor, action) {
401 // FIXME, remote access to comm object
402 if (action->comm.src_proc && action->comm.dst_proc)
409 int MC_request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx)
413 // FIXME, remote access to comm object
417 case SIMCALL_COMM_WAIT:
418 /* FIXME: check also that src and dst processes are not suspended */
419 act = simcall_comm_wait__get__comm(req);
420 return (act->comm.src_proc && act->comm.dst_proc);
423 case SIMCALL_COMM_WAITANY:
425 xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), idx,
427 return (act->comm.src_proc && act->comm.dst_proc);
430 case SIMCALL_COMM_TESTANY:
432 xbt_dynar_get_as(simcall_comm_testany__get__comms(req), idx,
434 return (act->comm.src_proc && act->comm.dst_proc);
442 int MC_process_is_enabled(smx_process_t process)
444 return MC_request_is_enabled(&process->simcall);
447 char *MC_request_get_dot_output(smx_simcall_t req, int value)
449 char *str = NULL, *label = NULL;
450 smx_synchro_t act = NULL;
452 const smx_process_t issuer = MC_smx_simcall_get_issuer(req);
455 case SIMCALL_COMM_ISEND:
456 if (issuer->smx_host)
458 bprintf("[(%lu)%s] iSend", issuer->pid,
459 MC_smx_process_get_host_name(issuer));
461 label = bprintf("[(%lu)] iSend", issuer->pid);
464 case SIMCALL_COMM_IRECV:
465 if (issuer->smx_host)
467 bprintf("[(%lu)%s] iRecv", issuer->pid,
468 MC_smx_process_get_host_name(issuer));
470 label = bprintf("[(%lu)] iRecv", issuer->pid);
473 case SIMCALL_COMM_WAIT:
474 act = simcall_comm_wait__get__comm(req);
476 if (issuer->smx_host)
478 bprintf("[(%lu)%s] WaitTimeout", issuer->pid,
479 MC_smx_process_get_host_name(issuer));
481 label = bprintf("[(%lu)] WaitTimeout", issuer->pid);
483 // FIXME, remote access to act->comm
484 smx_process_t src_proc = MC_smx_resolve_process(act->comm.src_proc);
485 smx_process_t dst_proc = MC_smx_resolve_process(act->comm.dst_proc);
486 if (issuer->smx_host)
488 bprintf("[(%lu)%s] Wait [(%lu)->(%lu)]", issuer->pid,
489 MC_smx_process_get_host_name(issuer),
490 src_proc ? src_proc->pid : 0,
491 dst_proc ? dst_proc->pid : 0);
494 bprintf("[(%lu)] Wait [(%lu)->(%lu)]", issuer->pid,
495 src_proc ? src_proc->pid : 0,
496 dst_proc ? dst_proc->pid : 0);
500 case SIMCALL_COMM_TEST:
501 act = simcall_comm_test__get__comm(req);
502 if (act->comm.src_proc == NULL || act->comm.dst_proc == NULL) {
503 if (issuer->smx_host)
505 bprintf("[(%lu)%s] Test FALSE", issuer->pid,
506 MC_smx_process_get_host_name(issuer));
508 label = bprintf("[(%lu)] Test FALSE", issuer->pid);
510 if (issuer->smx_host)
512 bprintf("[(%lu)%s] Test TRUE", issuer->pid,
513 MC_smx_process_get_host_name(issuer));
515 label = bprintf("[(%lu)] Test TRUE", issuer->pid);
519 case SIMCALL_COMM_WAITANY:
520 if (issuer->smx_host)
522 bprintf("[(%lu)%s] WaitAny [%d of %lu]", issuer->pid,
523 MC_smx_process_get_host_name(issuer), value + 1,
524 xbt_dynar_length(simcall_comm_waitany__get__comms(req)));
527 bprintf("[(%lu)] WaitAny [%d of %lu]", issuer->pid, value + 1,
528 xbt_dynar_length(simcall_comm_waitany__get__comms(req)));
531 case SIMCALL_COMM_TESTANY:
533 if (issuer->smx_host)
535 bprintf("[(%lu)%s] TestAny FALSE", issuer->pid,
536 MC_smx_process_get_host_name(issuer));
538 label = bprintf("[(%lu)] TestAny FALSE", issuer->pid);
540 if (issuer->smx_host)
542 bprintf("[(%lu)%s] TestAny TRUE [%d of %lu]", issuer->pid,
543 MC_smx_process_get_host_name(issuer), value + 1,
544 xbt_dynar_length(simcall_comm_testany__get__comms(req)));
547 bprintf("[(%lu)] TestAny TRUE [%d of %lu]", issuer->pid,
549 xbt_dynar_length(simcall_comm_testany__get__comms(req)));
553 case SIMCALL_MUTEX_LOCK:
554 label = bprintf("[(%lu)] Mutex LOCK", req->issuer->pid);
557 case SIMCALL_MC_RANDOM:
558 if (issuer->smx_host)
560 bprintf("[(%lu)%s] MC_RANDOM (%d)", issuer->pid,
561 MC_smx_process_get_host_name(issuer), value);
563 label = bprintf("[(%lu)] MC_RANDOM (%d)", issuer->pid, value);
566 case SIMCALL_MC_SNAPSHOT:
567 if (issuer->smx_host)
569 bprintf("[(%lu)%s] MC_SNAPSHOT", issuer->pid,
570 MC_smx_process_get_host_name(issuer));
572 label = bprintf("[(%lu)] MC_SNAPSHOT", issuer->pid);
575 case SIMCALL_MC_COMPARE_SNAPSHOTS:
576 if (issuer->smx_host)
578 bprintf("[(%lu)%s] MC_COMPARE_SNAPSHOTS", issuer->pid,
579 MC_smx_process_get_host_name(issuer));
581 label = bprintf("[(%lu)] MC_COMPARE_SNAPSHOTS", issuer->pid);
589 bprintf("label = \"%s\", color = %s, fontcolor = %s", label,
590 colors[issuer->pid - 1], colors[issuer->pid - 1]);