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_MC_RANDOM) || (r2->call == SIMCALL_MC_RANDOM))
24 if(r1->call == SIMCALL_COMM_ISEND && r2->call == SIMCALL_COMM_IRECV)
27 if(r1->call == SIMCALL_COMM_IRECV && r2->call == SIMCALL_COMM_ISEND)
30 /*if( (r1->call == SIMCALL_COMM_ISEND || r1->call == SIMCALL_COMM_IRECV)
31 && r2->call == SIMCALL_COMM_WAIT){
33 if(simcall_comm_wait__get__comm(r2)->comm.rdv == NULL)
36 smx_rdv_t rdv = r1->call == SIMCALL_COMM_ISEND ? simcall_comm_isend__get__rdv(r1) : simcall_comm_irecv__get__rdv(r1);
38 if(simcall_comm_wait__get__comm(r2)->comm.rdv != rdv)
41 if(simcall_comm_wait__get__comm(r2)->comm.type == SIMIX_COMM_SEND && r1->call == SIMCALL_COMM_ISEND)
44 if(simcall_comm_wait__get__comm(r2)->comm.type == SIMIX_COMM_RECEIVE && r1->call == SIMCALL_COMM_IRECV)
48 if( (r2->call == SIMCALL_COMM_ISEND || r2->call == SIMCALL_COMM_IRECV)
49 && r1->call == SIMCALL_COMM_WAIT){
51 if(simcall_comm_wait__get__comm(r1)->comm.rdv != NULL)
54 smx_rdv_t rdv = r2->call == SIMCALL_COMM_ISEND ? simcall_comm_isend__get__rdv(r2) : simcall_comm_irecv__get__rdv(r2);
56 if(simcall_comm_wait__get__comm(r1)->comm.rdv != rdv)
59 if(simcall_comm_wait__get__comm(r1)->comm.type == SIMIX_COMM_SEND && r2->call == SIMCALL_COMM_ISEND)
62 if(simcall_comm_wait__get__comm(r1)->comm.type == SIMIX_COMM_RECEIVE && r2->call == SIMCALL_COMM_IRECV)
66 /* FIXME: the following rule assumes that the result of the
67 * isend/irecv call is not stored in a buffer used in the
69 /*if( (r1->call == SIMCALL_COMM_ISEND || r1->call == SIMCALL_COMM_IRECV)
70 && r2->call == SIMCALL_COMM_TEST)
73 /* FIXME: the following rule assumes that the result of the
74 * isend/irecv call is not stored in a buffer used in the
76 /*if( (r2->call == SIMCALL_COMM_ISEND || r2->call == SIMCALL_COMM_IRECV)
77 && r1->call == SIMCALL_COMM_TEST)
80 if(r1->call == SIMCALL_COMM_ISEND && r2->call == SIMCALL_COMM_ISEND
81 && simcall_comm_isend__get__rdv(r1) != simcall_comm_isend__get__rdv(r2))
84 if(r1->call == SIMCALL_COMM_IRECV && r2->call == SIMCALL_COMM_IRECV
85 && simcall_comm_irecv__get__rdv(r1) != simcall_comm_irecv__get__rdv(r2))
88 if(r1->call == SIMCALL_COMM_WAIT && (r2->call == SIMCALL_COMM_WAIT || r2->call == SIMCALL_COMM_TEST)
89 && (simcall_comm_wait__get__comm(r1)->comm.src_proc == NULL
90 || simcall_comm_wait__get__comm(r1)->comm.dst_proc == NULL))
93 if(r2->call == SIMCALL_COMM_WAIT && (r1->call == SIMCALL_COMM_WAIT || r1->call == SIMCALL_COMM_TEST)
94 && (simcall_comm_wait__get__comm(r2)->comm.src_proc == NULL
95 || simcall_comm_wait__get__comm(r2)->comm.dst_proc == NULL))
98 if(r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_WAIT
99 && simcall_comm_wait__get__comm(r1)->comm.src_buff == simcall_comm_wait__get__comm(r2)->comm.src_buff
100 && simcall_comm_wait__get__comm(r1)->comm.dst_buff == simcall_comm_wait__get__comm(r2)->comm.dst_buff)
103 if (r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_WAIT
104 && simcall_comm_wait__get__comm(r1)->comm.src_buff != NULL
105 && simcall_comm_wait__get__comm(r1)->comm.dst_buff != NULL
106 && simcall_comm_wait__get__comm(r2)->comm.src_buff != NULL
107 && simcall_comm_wait__get__comm(r2)->comm.dst_buff != NULL
108 && simcall_comm_wait__get__comm(r1)->comm.dst_buff != simcall_comm_wait__get__comm(r2)->comm.src_buff
109 && simcall_comm_wait__get__comm(r1)->comm.dst_buff != simcall_comm_wait__get__comm(r2)->comm.dst_buff
110 && simcall_comm_wait__get__comm(r2)->comm.dst_buff != simcall_comm_wait__get__comm(r1)->comm.src_buff)
113 if(r1->call == SIMCALL_COMM_TEST &&
114 (simcall_comm_test__get__comm(r1) == NULL
115 || simcall_comm_test__get__comm(r1)->comm.src_buff == NULL
116 || simcall_comm_test__get__comm(r1)->comm.dst_buff == NULL))
119 if(r2->call == SIMCALL_COMM_TEST &&
120 (simcall_comm_test__get__comm(r2) == NULL
121 || simcall_comm_test__get__comm(r2)->comm.src_buff == NULL
122 || simcall_comm_test__get__comm(r2)->comm.dst_buff == NULL))
125 if(r1->call == SIMCALL_COMM_TEST && r2->call == SIMCALL_COMM_WAIT
126 && simcall_comm_test__get__comm(r1)->comm.src_buff == simcall_comm_wait__get__comm(r2)->comm.src_buff
127 && simcall_comm_test__get__comm(r1)->comm.dst_buff == simcall_comm_wait__get__comm(r2)->comm.dst_buff)
130 if(r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_TEST
131 && simcall_comm_wait__get__comm(r1)->comm.src_buff == simcall_comm_test__get__comm(r2)->comm.src_buff
132 && simcall_comm_wait__get__comm(r1)->comm.dst_buff == simcall_comm_test__get__comm(r2)->comm.dst_buff)
135 if (r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_TEST
136 && simcall_comm_wait__get__comm(r1)->comm.src_buff != NULL
137 && simcall_comm_wait__get__comm(r1)->comm.dst_buff != NULL
138 && simcall_comm_test__get__comm(r2)->comm.src_buff != NULL
139 && simcall_comm_test__get__comm(r2)->comm.dst_buff != NULL
140 && simcall_comm_wait__get__comm(r1)->comm.dst_buff != simcall_comm_test__get__comm(r2)->comm.src_buff
141 && simcall_comm_wait__get__comm(r1)->comm.dst_buff != simcall_comm_test__get__comm(r2)->comm.dst_buff
142 && simcall_comm_test__get__comm(r2)->comm.dst_buff != simcall_comm_wait__get__comm(r1)->comm.src_buff)
145 if (r1->call == SIMCALL_COMM_TEST && r2->call == SIMCALL_COMM_WAIT
146 && simcall_comm_test__get__comm(r1)->comm.src_buff != NULL
147 && simcall_comm_test__get__comm(r1)->comm.dst_buff != NULL
148 && simcall_comm_wait__get__comm(r2)->comm.src_buff != NULL
149 && simcall_comm_wait__get__comm(r2)->comm.dst_buff != NULL
150 && simcall_comm_test__get__comm(r1)->comm.dst_buff != simcall_comm_wait__get__comm(r2)->comm.src_buff
151 && simcall_comm_test__get__comm(r1)->comm.dst_buff != simcall_comm_wait__get__comm(r2)->comm.dst_buff
152 && simcall_comm_wait__get__comm(r2)->comm.dst_buff != simcall_comm_test__get__comm(r1)->comm.src_buff)
159 static char* pointer_to_string(void* pointer) {
161 if (XBT_LOG_ISENABLED(mc_request, xbt_log_priority_verbose))
162 return bprintf("%p", pointer);
164 return xbt_strdup("(verbose only)");
167 static char* buff_size_to_string(size_t buff_size) {
169 if (XBT_LOG_ISENABLED(mc_request, xbt_log_priority_verbose))
170 return bprintf("%zu", buff_size);
172 return xbt_strdup("(verbose only)");
176 char *MC_request_to_string(smx_simcall_t req, int value)
178 char *type = NULL, *args = NULL, *str = NULL, *p = NULL, *bs = NULL;
179 smx_action_t act = NULL;
183 case SIMCALL_COMM_ISEND:
184 type = xbt_strdup("iSend");
185 p = pointer_to_string(simcall_comm_isend__get__src_buff(req));
186 bs = buff_size_to_string(simcall_comm_isend__get__src_buff_size(req));
187 args = bprintf("src=%s, buff=%s, size=%s", req->issuer->name, p, bs);
189 case SIMCALL_COMM_IRECV:
190 size = simcall_comm_irecv__get__dst_buff_size(req) ? *simcall_comm_irecv__get__dst_buff_size(req) : 0;
191 type = xbt_strdup("iRecv");
192 p = pointer_to_string(simcall_comm_irecv__get__dst_buff(req));
193 bs = buff_size_to_string(size);
194 args = bprintf("dst=%s, buff=%s, size=%s", req->issuer->name, p, bs);
196 case SIMCALL_COMM_WAIT:
197 act = simcall_comm_wait__get__comm(req);
199 type = xbt_strdup("WaitTimeout");
200 p = pointer_to_string(act);
201 args = bprintf("comm=%p", p);
203 type = xbt_strdup("Wait");
204 p = pointer_to_string(act);
205 args = bprintf("comm=%s [(%lu)%s -> (%lu)%s]", p,
206 act->comm.src_proc ? act->comm.src_proc->pid : 0,
207 act->comm.src_proc ? act->comm.src_proc->name : "",
208 act->comm.dst_proc ? act->comm.dst_proc->pid : 0,
209 act->comm.dst_proc ? act->comm.dst_proc->name : "");
212 case SIMCALL_COMM_TEST:
213 act = simcall_comm_test__get__comm(req);
214 if(act->comm.src_proc == NULL || act->comm.dst_proc == NULL){
215 type = xbt_strdup("Test FALSE");
216 p = pointer_to_string(act);
217 args = bprintf("comm=%s", p);
219 type = xbt_strdup("Test TRUE");
220 p = pointer_to_string(act);
221 args = bprintf("comm=%s [(%lu)%s -> (%lu)%s]", p,
222 act->comm.src_proc->pid, act->comm.src_proc->name,
223 act->comm.dst_proc->pid, act->comm.dst_proc->name);
227 case SIMCALL_COMM_WAITANY:
228 type = xbt_strdup("WaitAny");
229 p = pointer_to_string(xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value, smx_action_t));
230 args = bprintf("comm=%s (%d of %lu)", p,
231 value+1, xbt_dynar_length(simcall_comm_waitany__get__comms(req)));
234 case SIMCALL_COMM_TESTANY:
236 type = xbt_strdup("TestAny FALSE");
237 args = xbt_strdup("-");
239 type = xbt_strdup("TestAny");
240 args = bprintf("(%d of %lu)", value+1, xbt_dynar_length(simcall_comm_testany__get__comms(req)));
244 case SIMCALL_MC_SNAPSHOT:
245 type = xbt_strdup("MC_SNAPSHOT");
249 case SIMCALL_MC_COMPARE_SNAPSHOTS:
250 type = xbt_strdup("MC_COMPARE_SNAPSHOTS");
254 case SIMCALL_MC_RANDOM:
255 type = xbt_strdup("MC_RANDOM");
264 str = bprintf("[(%lu)%s] %s (%s)", req->issuer->pid ,req->issuer->name, type, args);
267 str = bprintf("[(%lu)%s] %s ", req->issuer->pid ,req->issuer->name, type);
275 unsigned int MC_request_testany_fail(smx_simcall_t req)
280 xbt_dynar_foreach(simcall_comm_testany__get__comms(req), cursor, action){
281 if(action->comm.src_proc && action->comm.dst_proc)
288 int MC_request_is_visible(smx_simcall_t req)
290 return req->call == SIMCALL_COMM_ISEND
291 || req->call == SIMCALL_COMM_IRECV
292 || req->call == SIMCALL_COMM_WAIT
293 || req->call == SIMCALL_COMM_WAITANY
294 || req->call == SIMCALL_COMM_TEST
295 || req->call == SIMCALL_COMM_TESTANY
296 || req->call == SIMCALL_MC_RANDOM
297 || req->call == SIMCALL_MC_SNAPSHOT
298 || req->call == SIMCALL_MC_COMPARE_SNAPSHOTS;
301 int MC_request_is_enabled(smx_simcall_t req)
303 unsigned int index = 0;
308 case SIMCALL_COMM_WAIT:
309 /* FIXME: check also that src and dst processes are not suspended */
311 /* If it has a timeout it will be always be enabled, because even if the
312 * communication is not ready, it can timeout and won't block.
313 * On the other hand if it hasn't a timeout, check if the comm is ready.*/
314 if(simcall_comm_wait__get__timeout(req) >= 0){
315 if(_sg_mc_timeout == 1){
318 act = simcall_comm_wait__get__comm(req);
319 return (act->comm.src_proc && act->comm.dst_proc);
322 act = simcall_comm_wait__get__comm(req);
323 return (act->comm.src_proc && act->comm.dst_proc);
327 case SIMCALL_COMM_WAITANY:
328 /* Check if it has at least one communication ready */
329 xbt_dynar_foreach(simcall_comm_waitany__get__comms(req), index, act) {
330 if (act->comm.src_proc && act->comm.dst_proc){
338 /* The rest of the request are always enabled */
343 int MC_request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx)
349 case SIMCALL_COMM_WAIT:
350 /* FIXME: check also that src and dst processes are not suspended */
351 act = simcall_comm_wait__get__comm(req);
352 return (act->comm.src_proc && act->comm.dst_proc);
355 case SIMCALL_COMM_WAITANY:
356 act = xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), idx, smx_action_t);
357 return (act->comm.src_proc && act->comm.dst_proc);
360 case SIMCALL_COMM_TESTANY:
361 act = xbt_dynar_get_as(simcall_comm_testany__get__comms(req), idx, smx_action_t);
362 return (act->comm.src_proc && act->comm.dst_proc);
370 int MC_process_is_enabled(smx_process_t process)
372 if (process->simcall.call != SIMCALL_NONE && MC_request_is_enabled(&process->simcall))