1 /* Copyright (c) 2008-2012 Da SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "mc_private.h"
8 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_request, mc,
9 "Logging specific to MC (request)");
11 static char* pointer_to_string(void* pointer);
12 static char* buff_size_to_string(size_t size);
14 int MC_request_depend(smx_simcall_t r1, smx_simcall_t r2) {
15 if(mc_reduce_kind == e_mc_reduce_none)
18 if (r1->issuer == r2->issuer)
21 if(r1->call == SIMCALL_COMM_ISEND && r2->call == SIMCALL_COMM_IRECV)
24 if(r1->call == SIMCALL_COMM_IRECV && r2->call == SIMCALL_COMM_ISEND)
27 /*if( (r1->call == SIMCALL_COMM_ISEND || r1->call == SIMCALL_COMM_IRECV)
28 && r2->call == SIMCALL_COMM_WAIT){
30 if(simcall_comm_wait__get__comm(r2)->comm.rdv == NULL)
33 smx_rdv_t rdv = r1->call == SIMCALL_COMM_ISEND ? simcall_comm_isend__get__rdv(r1) : simcall_comm_irecv__get__rdv(r1);
35 if(simcall_comm_wait__get__comm(r2)->comm.rdv != rdv)
38 if(simcall_comm_wait__get__comm(r2)->comm.type == SIMIX_COMM_SEND && r1->call == SIMCALL_COMM_ISEND)
41 if(simcall_comm_wait__get__comm(r2)->comm.type == SIMIX_COMM_RECEIVE && r1->call == SIMCALL_COMM_IRECV)
45 if( (r2->call == SIMCALL_COMM_ISEND || r2->call == SIMCALL_COMM_IRECV)
46 && r1->call == SIMCALL_COMM_WAIT){
48 if(simcall_comm_wait__get__comm(r1)->comm.rdv != NULL)
51 smx_rdv_t rdv = r2->call == SIMCALL_COMM_ISEND ? simcall_comm_isend__get__rdv(r2) : simcall_comm_irecv__get__rdv(r2);
53 if(simcall_comm_wait__get__comm(r1)->comm.rdv != rdv)
56 if(simcall_comm_wait__get__comm(r1)->comm.type == SIMIX_COMM_SEND && r2->call == SIMCALL_COMM_ISEND)
59 if(simcall_comm_wait__get__comm(r1)->comm.type == SIMIX_COMM_RECEIVE && r2->call == SIMCALL_COMM_IRECV)
63 /* FIXME: the following rule assumes that the result of the
64 * isend/irecv call is not stored in a buffer used in the
66 /*if( (r1->call == SIMCALL_COMM_ISEND || r1->call == SIMCALL_COMM_IRECV)
67 && r2->call == SIMCALL_COMM_TEST)
70 /* FIXME: the following rule assumes that the result of the
71 * isend/irecv call is not stored in a buffer used in the
73 /*if( (r2->call == SIMCALL_COMM_ISEND || r2->call == SIMCALL_COMM_IRECV)
74 && r1->call == SIMCALL_COMM_TEST)
77 if(r1->call == SIMCALL_COMM_ISEND && r2->call == SIMCALL_COMM_ISEND
78 && simcall_comm_isend__get__rdv(r1) != simcall_comm_isend__get__rdv(r2))
81 if(r1->call == SIMCALL_COMM_IRECV && r2->call == SIMCALL_COMM_IRECV
82 && simcall_comm_irecv__get__rdv(r1) != simcall_comm_irecv__get__rdv(r2))
85 if(r1->call == SIMCALL_COMM_WAIT && (r2->call == SIMCALL_COMM_WAIT || r2->call == SIMCALL_COMM_TEST)
86 && (simcall_comm_wait__get__comm(r1)->comm.src_proc == NULL
87 || simcall_comm_wait__get__comm(r1)->comm.dst_proc == NULL))
90 if(r2->call == SIMCALL_COMM_WAIT && (r1->call == SIMCALL_COMM_WAIT || r1->call == SIMCALL_COMM_TEST)
91 && (simcall_comm_wait__get__comm(r2)->comm.src_proc == NULL
92 || simcall_comm_wait__get__comm(r2)->comm.dst_proc == NULL))
95 if(r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_WAIT
96 && simcall_comm_wait__get__comm(r1)->comm.src_buff == simcall_comm_wait__get__comm(r2)->comm.src_buff
97 && simcall_comm_wait__get__comm(r1)->comm.dst_buff == simcall_comm_wait__get__comm(r2)->comm.dst_buff)
100 if (r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_WAIT
101 && simcall_comm_wait__get__comm(r1)->comm.src_buff != NULL
102 && simcall_comm_wait__get__comm(r1)->comm.dst_buff != NULL
103 && simcall_comm_wait__get__comm(r2)->comm.src_buff != NULL
104 && simcall_comm_wait__get__comm(r2)->comm.dst_buff != NULL
105 && simcall_comm_wait__get__comm(r1)->comm.dst_buff != simcall_comm_wait__get__comm(r2)->comm.src_buff
106 && simcall_comm_wait__get__comm(r1)->comm.dst_buff != simcall_comm_wait__get__comm(r2)->comm.dst_buff
107 && simcall_comm_wait__get__comm(r2)->comm.dst_buff != simcall_comm_wait__get__comm(r1)->comm.src_buff)
110 if(r1->call == SIMCALL_COMM_TEST &&
111 (simcall_comm_test__get__comm(r1) == NULL
112 || simcall_comm_test__get__comm(r1)->comm.src_buff == NULL
113 || simcall_comm_test__get__comm(r1)->comm.dst_buff == NULL))
116 if(r2->call == SIMCALL_COMM_TEST &&
117 (simcall_comm_test__get__comm(r2) == NULL
118 || simcall_comm_test__get__comm(r2)->comm.src_buff == NULL
119 || simcall_comm_test__get__comm(r2)->comm.dst_buff == NULL))
122 if(r1->call == SIMCALL_COMM_TEST && r2->call == SIMCALL_COMM_WAIT
123 && simcall_comm_test__get__comm(r1)->comm.src_buff == simcall_comm_wait__get__comm(r2)->comm.src_buff
124 && simcall_comm_test__get__comm(r1)->comm.dst_buff == simcall_comm_wait__get__comm(r2)->comm.dst_buff)
127 if(r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_TEST
128 && simcall_comm_wait__get__comm(r1)->comm.src_buff == simcall_comm_test__get__comm(r2)->comm.src_buff
129 && simcall_comm_wait__get__comm(r1)->comm.dst_buff == simcall_comm_test__get__comm(r2)->comm.dst_buff)
132 if (r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_TEST
133 && simcall_comm_wait__get__comm(r1)->comm.src_buff != NULL
134 && simcall_comm_wait__get__comm(r1)->comm.dst_buff != NULL
135 && simcall_comm_test__get__comm(r2)->comm.src_buff != NULL
136 && simcall_comm_test__get__comm(r2)->comm.dst_buff != NULL
137 && simcall_comm_wait__get__comm(r1)->comm.dst_buff != simcall_comm_test__get__comm(r2)->comm.src_buff
138 && simcall_comm_wait__get__comm(r1)->comm.dst_buff != simcall_comm_test__get__comm(r2)->comm.dst_buff
139 && simcall_comm_test__get__comm(r2)->comm.dst_buff != simcall_comm_wait__get__comm(r1)->comm.src_buff)
142 if (r1->call == SIMCALL_COMM_TEST && r2->call == SIMCALL_COMM_WAIT
143 && simcall_comm_test__get__comm(r1)->comm.src_buff != NULL
144 && simcall_comm_test__get__comm(r1)->comm.dst_buff != NULL
145 && simcall_comm_wait__get__comm(r2)->comm.src_buff != NULL
146 && simcall_comm_wait__get__comm(r2)->comm.dst_buff != NULL
147 && simcall_comm_test__get__comm(r1)->comm.dst_buff != simcall_comm_wait__get__comm(r2)->comm.src_buff
148 && simcall_comm_test__get__comm(r1)->comm.dst_buff != simcall_comm_wait__get__comm(r2)->comm.dst_buff
149 && simcall_comm_wait__get__comm(r2)->comm.dst_buff != simcall_comm_test__get__comm(r1)->comm.src_buff)
156 static char* pointer_to_string(void* pointer) {
158 if (XBT_LOG_ISENABLED(mc_request, xbt_log_priority_verbose))
159 return bprintf("%p", pointer);
161 return xbt_strdup("(verbose only)");
164 static char* buff_size_to_string(size_t buff_size) {
166 if (XBT_LOG_ISENABLED(mc_request, xbt_log_priority_verbose))
167 return bprintf("%zu", buff_size);
169 return xbt_strdup("(verbose only)");
173 char *MC_request_to_string(smx_simcall_t req, int value)
175 char *type = NULL, *args = NULL, *str = NULL, *p = NULL, *bs = NULL;
176 smx_action_t act = NULL;
180 case SIMCALL_COMM_ISEND:
181 type = xbt_strdup("iSend");
182 p = pointer_to_string(simcall_comm_isend__get__src_buff(req));
183 bs = buff_size_to_string(simcall_comm_isend__get__src_buff_size(req));
184 args = bprintf("src=%s, buff=%s, size=%s", req->issuer->name, p, bs);
186 case SIMCALL_COMM_IRECV:
187 size = simcall_comm_irecv__get__dst_buff_size(req) ? *simcall_comm_irecv__get__dst_buff_size(req) : 0;
188 type = xbt_strdup("iRecv");
189 p = pointer_to_string(simcall_comm_irecv__get__dst_buff(req));
190 bs = buff_size_to_string(size);
191 args = bprintf("dst=%s, buff=%s, size=%s", req->issuer->name, p, bs);
193 case SIMCALL_COMM_WAIT:
194 act = simcall_comm_wait__get__comm(req);
196 type = xbt_strdup("WaitTimeout");
197 p = pointer_to_string(act);
198 args = bprintf("comm=%p", p);
200 type = xbt_strdup("Wait");
201 p = pointer_to_string(act);
202 args = bprintf("comm=%s [(%lu)%s -> (%lu)%s]", p,
203 act->comm.src_proc ? act->comm.src_proc->pid : 0,
204 act->comm.src_proc ? act->comm.src_proc->name : "",
205 act->comm.dst_proc ? act->comm.dst_proc->pid : 0,
206 act->comm.dst_proc ? act->comm.dst_proc->name : "");
209 case SIMCALL_COMM_TEST:
210 act = simcall_comm_test__get__comm(req);
211 if(act->comm.src_proc == NULL || act->comm.dst_proc == NULL){
212 type = xbt_strdup("Test FALSE");
213 p = pointer_to_string(act);
214 args = bprintf("comm=%s", p);
216 type = xbt_strdup("Test TRUE");
217 p = pointer_to_string(act);
218 args = bprintf("comm=%s [(%lu)%s -> (%lu)%s]", p,
219 act->comm.src_proc->pid, act->comm.src_proc->name,
220 act->comm.dst_proc->pid, act->comm.dst_proc->name);
224 case SIMCALL_COMM_WAITANY:
225 type = xbt_strdup("WaitAny");
226 p = pointer_to_string(xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value, smx_action_t));
227 args = bprintf("comm=%s (%d of %lu)", p,
228 value+1, xbt_dynar_length(simcall_comm_waitany__get__comms(req)));
231 case SIMCALL_COMM_TESTANY:
233 type = xbt_strdup("TestAny FALSE");
234 args = xbt_strdup("-");
236 type = xbt_strdup("TestAny");
237 args = bprintf("(%d of %lu)", value+1, xbt_dynar_length(simcall_comm_testany__get__comms(req)));
241 case SIMCALL_MC_SNAPSHOT:
242 type = xbt_strdup("MC_SNAPSHOT");
246 case SIMCALL_MC_COMPARE_SNAPSHOTS:
247 type = xbt_strdup("MC_COMPARE_SNAPSHOTS");
255 str = bprintf("[(%lu)%s] %s (%s)", req->issuer->pid ,req->issuer->name, type, args);
263 unsigned int MC_request_testany_fail(smx_simcall_t req)
268 xbt_dynar_foreach(simcall_comm_testany__get__comms(req), cursor, action){
269 if(action->comm.src_proc && action->comm.dst_proc)
276 int MC_request_is_visible(smx_simcall_t req)
278 return req->call == SIMCALL_COMM_ISEND
279 || req->call == SIMCALL_COMM_IRECV
280 || req->call == SIMCALL_COMM_WAIT
281 || req->call == SIMCALL_COMM_WAITANY
282 || req->call == SIMCALL_COMM_TEST
283 || req->call == SIMCALL_COMM_TESTANY
284 || req->call == SIMCALL_MC_SNAPSHOT
285 || req->call == SIMCALL_MC_COMPARE_SNAPSHOTS;
288 int MC_request_is_enabled(smx_simcall_t req)
290 unsigned int index = 0;
295 case SIMCALL_COMM_WAIT:
296 /* FIXME: check also that src and dst processes are not suspended */
298 /* If it has a timeout it will be always be enabled, because even if the
299 * communication is not ready, it can timeout and won't block.
300 * On the other hand if it hasn't a timeout, check if the comm is ready.*/
301 if(simcall_comm_wait__get__timeout(req) >= 0){
302 if(_sg_mc_timeout == 1){
305 act = simcall_comm_wait__get__comm(req);
306 return (act->comm.src_proc && act->comm.dst_proc);
309 act = simcall_comm_wait__get__comm(req);
310 return (act->comm.src_proc && act->comm.dst_proc);
314 case SIMCALL_COMM_WAITANY:
315 /* Check if it has at least one communication ready */
316 xbt_dynar_foreach(simcall_comm_waitany__get__comms(req), index, act) {
317 if (act->comm.src_proc && act->comm.dst_proc){
325 /* The rest of the request are always enabled */
330 int MC_request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx)
336 case SIMCALL_COMM_WAIT:
337 /* FIXME: check also that src and dst processes are not suspended */
338 act = simcall_comm_wait__get__comm(req);
339 return (act->comm.src_proc && act->comm.dst_proc);
342 case SIMCALL_COMM_WAITANY:
343 act = xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), idx, smx_action_t);
344 return (act->comm.src_proc && act->comm.dst_proc);
347 case SIMCALL_COMM_TESTANY:
348 act = xbt_dynar_get_as(simcall_comm_testany__get__comms(req), idx, smx_action_t);
349 return (act->comm.src_proc && act->comm.dst_proc);
357 int MC_process_is_enabled(smx_process_t process)
359 if (process->simcall.call != SIMCALL_NONE && MC_request_is_enabled(&process->simcall))