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further WIP on the ActivityImplPtr feature. Now it compiles (but fails)
[simgrid.git] / src / mc / mc_request.cpp
1 /* Copyright (c) 2008-2015. The SimGrid Team.
2  * All rights reserved.                                                     */
3
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. */
6
7 #include <cassert>
8
9 #include "src/mc/ModelChecker.hpp"
10 #include "src/mc/mc_request.h"
11 #include "src/mc/mc_smx.h"
12 #include "src/mc/mc_xbt.hpp"
13
14 using simgrid::mc::remote;
15
16 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_request, mc,
17                                 "Logging specific to MC (request)");
18
19 static char *pointer_to_string(void *pointer);
20 static char *buff_size_to_string(size_t size);
21
22 static inline simgrid::kernel::activity::CommImpl* MC_get_comm(smx_simcall_t r)
23 {
24   switch (r->call ) {
25   case SIMCALL_COMM_WAIT:
26     return static_cast<simgrid::kernel::activity::CommImpl*>(simcall_comm_wait__getraw__comm(r));
27   case SIMCALL_COMM_TEST:
28     return static_cast<simgrid::kernel::activity::CommImpl*>(simcall_comm_test__getraw__comm(r));
29   default:
30     return nullptr;
31   }
32 }
33
34 static inline
35 smx_mailbox_t MC_get_mbox(smx_simcall_t r)
36 {
37   switch(r->call) {
38   case SIMCALL_COMM_ISEND:
39     return simcall_comm_isend__get__mbox(r);
40   case SIMCALL_COMM_IRECV:
41     return simcall_comm_irecv__get__mbox(r);
42   default:
43     return nullptr;
44   }
45 }
46
47 namespace simgrid {
48 namespace mc {
49
50 // Does half the job
51 static inline
52 bool request_depend_asymmetric(smx_simcall_t r1, smx_simcall_t r2)
53 {
54   if (r1->call == SIMCALL_COMM_ISEND && r2->call == SIMCALL_COMM_IRECV)
55     return false;
56
57   if (r1->call == SIMCALL_COMM_IRECV && r2->call == SIMCALL_COMM_ISEND)
58     return false;
59
60   // Those are internal requests, we do not need indirection
61   // because those objects are copies:
62   simgrid::kernel::activity::CommImpl* synchro1 = MC_get_comm(r1);
63   simgrid::kernel::activity::CommImpl* synchro2 = MC_get_comm(r2);
64
65   if ((r1->call == SIMCALL_COMM_ISEND || r1->call == SIMCALL_COMM_IRECV)
66       && r2->call == SIMCALL_COMM_WAIT) {
67
68     smx_mailbox_t mbox = MC_get_mbox(r1);
69
70     if (mbox != synchro2->mbox_cpy
71         && simcall_comm_wait__get__timeout(r2) <= 0)
72       return false;
73
74     if ((r1->issuer != synchro2->src_proc)
75         && (r1->issuer != synchro2->dst_proc)
76         && simcall_comm_wait__get__timeout(r2) <= 0)
77       return false;
78
79     if ((r1->call == SIMCALL_COMM_ISEND)
80         && (synchro2->type == SIMIX_COMM_SEND)
81         && (synchro2->src_buff !=
82             simcall_comm_isend__get__src_buff(r1))
83         && simcall_comm_wait__get__timeout(r2) <= 0)
84       return false;
85
86     if ((r1->call == SIMCALL_COMM_IRECV)
87         && (synchro2->type == SIMIX_COMM_RECEIVE)
88         && (synchro2->dst_buff != simcall_comm_irecv__get__dst_buff(r1))
89         && simcall_comm_wait__get__timeout(r2) <= 0)
90       return false;
91   }
92
93   /* FIXME: the following rule assumes that the result of the
94    * isend/irecv call is not stored in a buffer used in the
95    * test call. */
96 #if 0
97   if((r1->call == SIMCALL_COMM_ISEND || r1->call == SIMCALL_COMM_IRECV)
98      &&  r2->call == SIMCALL_COMM_TEST)
99      return FALSE;
100 #endif
101
102   if (r1->call == SIMCALL_COMM_WAIT
103       && (r2->call == SIMCALL_COMM_WAIT || r2->call == SIMCALL_COMM_TEST)
104       && (synchro1->src_proc == nullptr || synchro1->dst_proc == nullptr))
105     return false;
106
107   if (r1->call == SIMCALL_COMM_TEST &&
108       (simcall_comm_test__get__comm(r1) == nullptr
109        || synchro1->src_buff == nullptr
110        || synchro1->dst_buff == nullptr))
111     return false;
112
113   if (r1->call == SIMCALL_COMM_TEST && r2->call == SIMCALL_COMM_WAIT
114       && synchro1->src_buff == synchro2->src_buff
115       && synchro1->dst_buff == synchro2->dst_buff)
116     return false;
117
118   if (r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_TEST
119       && synchro1->src_buff != nullptr
120       && synchro1->dst_buff != nullptr
121       && synchro2->src_buff != nullptr
122       && synchro2->dst_buff != nullptr
123       && synchro1->dst_buff != synchro2->src_buff
124       && synchro1->dst_buff != synchro2->dst_buff
125       && synchro2->dst_buff != synchro1->src_buff)
126     return false;
127
128   return true;
129 }
130
131 // Those are internal_req
132 bool request_depend(smx_simcall_t r1, smx_simcall_t r2)
133 {
134   if (r1->issuer == r2->issuer)
135     return false;
136
137   /* Wait with timeout transitions are not considered by the independence theorem, thus we consider them as dependent with all other transitions */
138   if ((r1->call == SIMCALL_COMM_WAIT && simcall_comm_wait__get__timeout(r1) > 0)
139       || (r2->call == SIMCALL_COMM_WAIT
140           && simcall_comm_wait__get__timeout(r2) > 0))
141     return TRUE;
142
143   if (r1->call != r2->call)
144     return request_depend_asymmetric(r1, r2)
145       && request_depend_asymmetric(r2, r1);
146
147   // Those are internal requests, we do not need indirection
148   // because those objects are copies:
149   simgrid::kernel::activity::CommImpl* synchro1 = MC_get_comm(r1);
150   simgrid::kernel::activity::CommImpl* synchro2 = MC_get_comm(r2);
151
152   switch(r1->call) {
153   case SIMCALL_COMM_ISEND:
154     return simcall_comm_isend__get__mbox(r1)
155       == simcall_comm_isend__get__mbox(r2);
156   case SIMCALL_COMM_IRECV:
157     return simcall_comm_irecv__get__mbox(r1)
158       == simcall_comm_irecv__get__mbox(r2);
159   case SIMCALL_COMM_WAIT:
160     if (synchro1->src_buff == synchro2->src_buff
161         && synchro1->dst_buff == synchro2->dst_buff)
162       return false;
163     else if (synchro1->src_buff != nullptr
164         && synchro1->dst_buff != nullptr
165         && synchro2->src_buff != nullptr
166         && synchro2->dst_buff != nullptr
167         && synchro1->dst_buff != synchro2->src_buff
168         && synchro1->dst_buff != synchro2->dst_buff
169         && synchro2->dst_buff != synchro1->src_buff)
170       return false;
171     else
172       return true;
173   default:
174     return true;
175   }
176 }
177
178 }
179 }
180
181 static char *pointer_to_string(void *pointer)
182 {
183
184   if (XBT_LOG_ISENABLED(mc_request, xbt_log_priority_verbose))
185     return bprintf("%p", pointer);
186
187   return xbt_strdup("(verbose only)");
188 }
189
190 static char *buff_size_to_string(size_t buff_size)
191 {
192
193   if (XBT_LOG_ISENABLED(mc_request, xbt_log_priority_verbose))
194     return bprintf("%zu", buff_size);
195
196   return xbt_strdup("(verbose only)");
197 }
198
199
200 std::string simgrid::mc::request_to_string(smx_simcall_t req, int value, simgrid::mc::RequestType request_type)
201 {
202   xbt_assert(mc_model_checker != nullptr);
203
204   bool use_remote_comm = true;
205   switch(request_type) {
206   case simgrid::mc::RequestType::simix:
207     use_remote_comm = true;
208     break;
209   case simgrid::mc::RequestType::executed:
210   case simgrid::mc::RequestType::internal:
211     use_remote_comm = false;
212     break;
213   }
214
215   const char* type = nullptr;
216   char *args = nullptr;
217
218   smx_actor_t issuer = MC_smx_simcall_get_issuer(req);
219
220   switch (req->call) {
221
222   case SIMCALL_COMM_ISEND: {
223     type = "iSend";
224     char* p = pointer_to_string(simcall_comm_isend__get__src_buff(req));
225     char* bs = buff_size_to_string(simcall_comm_isend__get__src_buff_size(req));
226     if (issuer->host)
227       args = bprintf("src=(%lu)%s (%s), buff=%s, size=%s", issuer->pid, MC_smx_actor_get_host_name(issuer),
228                      MC_smx_actor_get_name(issuer), p, bs);
229     else
230       args = bprintf("src=(%lu)%s, buff=%s, size=%s", issuer->pid, MC_smx_actor_get_name(issuer), p, bs);
231     xbt_free(bs);
232     xbt_free(p);
233     break;
234   }
235
236   case SIMCALL_COMM_IRECV: {
237     size_t* remote_size = simcall_comm_irecv__get__dst_buff_size(req);
238
239     // size_t size = size_pointer ? *size_pointer : 0;
240     size_t size = 0;
241     if (remote_size)
242       mc_model_checker->process().read_bytes(&size, sizeof(size),
243         remote(remote_size));
244
245     type = "iRecv";
246     char* p = pointer_to_string(simcall_comm_irecv__get__dst_buff(req));
247     char* bs = buff_size_to_string(size);
248     if (issuer->host)
249       args = bprintf("dst=(%lu)%s (%s), buff=%s, size=%s", issuer->pid, MC_smx_actor_get_host_name(issuer),
250                      MC_smx_actor_get_name(issuer), p, bs);
251     else
252       args = bprintf("dst=(%lu)%s, buff=%s, size=%s", issuer->pid, MC_smx_actor_get_name(issuer), p, bs);
253     xbt_free(bs);
254     xbt_free(p);
255     break;
256   }
257
258   case SIMCALL_COMM_WAIT: {
259     simgrid::kernel::activity::CommImpl* remote_act =
260         static_cast<simgrid::kernel::activity::CommImpl*>(simcall_comm_wait__getraw__comm(req));
261     char* p;
262     if (value == -1) {
263       type = "WaitTimeout";
264       p = pointer_to_string(remote_act);
265       args = bprintf("comm=%s", p);
266     } else {
267       type = "Wait";
268       p = pointer_to_string(remote_act);
269
270       simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_synchro;
271       simgrid::kernel::activity::CommImpl* act;
272       if (use_remote_comm) {
273         mc_model_checker->process().read(temp_synchro,
274                                          remote(static_cast<simgrid::kernel::activity::CommImpl*>(remote_act)));
275         act = temp_synchro.getBuffer();
276       } else
277         act = remote_act;
278
279       smx_actor_t src_proc = mc_model_checker->process().resolveActor(simgrid::mc::remote(act->src_proc));
280       smx_actor_t dst_proc = mc_model_checker->process().resolveActor(simgrid::mc::remote(act->dst_proc));
281       args =
282           bprintf("comm=%s [(%lu)%s (%s)-> (%lu)%s (%s)]", p, src_proc ? src_proc->pid : 0,
283                   src_proc ? MC_smx_actor_get_host_name(src_proc) : "", src_proc ? MC_smx_actor_get_name(src_proc) : "",
284                   dst_proc ? dst_proc->pid : 0, dst_proc ? MC_smx_actor_get_host_name(dst_proc) : "",
285                   dst_proc ? MC_smx_actor_get_name(dst_proc) : "");
286     }
287     xbt_free(p);
288     break;
289   }
290
291   case SIMCALL_COMM_TEST: {
292     simgrid::kernel::activity::CommImpl* remote_act =
293         static_cast<simgrid::kernel::activity::CommImpl*>(simcall_comm_test__getraw__comm(req));
294     simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_synchro;
295     simgrid::kernel::activity::CommImpl* act;
296     if (use_remote_comm) {
297       mc_model_checker->process().read(temp_synchro,
298                                        remote(static_cast<simgrid::kernel::activity::CommImpl*>(remote_act)));
299       act = temp_synchro.getBuffer();
300     } else
301       act = remote_act;
302
303     char* p;
304     if (act->src_proc == nullptr || act->dst_proc == nullptr) {
305       type = "Test FALSE";
306       p = pointer_to_string(remote_act);
307       args = bprintf("comm=%s", p);
308     } else {
309       type = "Test TRUE";
310       p = pointer_to_string(remote_act);
311
312       smx_actor_t src_proc = mc_model_checker->process().resolveActor(simgrid::mc::remote(act->src_proc));
313       smx_actor_t dst_proc = mc_model_checker->process().resolveActor(simgrid::mc::remote(act->dst_proc));
314       args = bprintf("comm=%s [(%lu)%s (%s) -> (%lu)%s (%s)]", p, src_proc->pid, MC_smx_actor_get_name(src_proc),
315                      MC_smx_actor_get_host_name(src_proc), dst_proc->pid, MC_smx_actor_get_name(dst_proc),
316                      MC_smx_actor_get_host_name(dst_proc));
317     }
318     xbt_free(p);
319     break;
320   }
321
322   case SIMCALL_COMM_WAITANY: {
323     type = "WaitAny";
324     s_xbt_dynar_t comms;
325     mc_model_checker->process().read_bytes(
326       &comms, sizeof(comms), remote(simcall_comm_waitany__get__comms(req)));
327     if (not xbt_dynar_is_empty(&comms)) {
328       smx_activity_t remote_sync;
329       read_element(mc_model_checker->process(),
330         &remote_sync, remote(simcall_comm_waitany__get__comms(req)), value,
331         sizeof(remote_sync));
332       char* p = pointer_to_string(&*remote_sync);
333       args = bprintf("comm=%s (%d of %lu)",
334         p, value + 1, xbt_dynar_length(&comms));
335       xbt_free(p);
336     } else
337       args = bprintf("comm at idx %d", value);
338     break;
339   }
340
341   case SIMCALL_COMM_TESTANY:
342     if (value == -1) {
343       type = "TestAny FALSE";
344       args = xbt_strdup("-");
345     } else {
346       type = "TestAny";
347       args =
348           bprintf("(%d of %zu)", value + 1,
349                     simcall_comm_testany__get__count(req));
350     }
351     break;
352
353   case SIMCALL_MUTEX_TRYLOCK:
354   case SIMCALL_MUTEX_LOCK: {
355     if (req->call == SIMCALL_MUTEX_LOCK)
356       type = "Mutex LOCK";
357     else
358       type = "Mutex TRYLOCK";
359
360     simgrid::mc::Remote<simgrid::simix::MutexImpl> mutex;
361     mc_model_checker->process().read_bytes(mutex.getBuffer(), sizeof(mutex),
362       remote(
363         req->call == SIMCALL_MUTEX_LOCK
364         ? simcall_mutex_lock__get__mutex(req)
365         : simcall_mutex_trylock__get__mutex(req)
366       ));
367     s_xbt_swag_t mutex_sleeping;
368     mc_model_checker->process().read_bytes(&mutex_sleeping, sizeof(mutex_sleeping),
369       remote(mutex.getBuffer()->sleeping));
370
371     args =
372         bprintf("locked = %d, owner = %d, sleeping = %d", mutex.getBuffer()->locked,
373                 mutex.getBuffer()->owner != nullptr
374                     ? (int)mc_model_checker->process().resolveActor(simgrid::mc::remote(mutex.getBuffer()->owner))->pid
375                     : -1,
376                 mutex_sleeping.count);
377     break;
378   }
379
380   case SIMCALL_MC_RANDOM:
381     type = "MC_RANDOM";
382     args = bprintf("%d", value);
383     break;
384
385   default:
386     type = SIMIX_simcall_name(req->call);
387     args = bprintf("??");
388     break;
389   }
390
391   std::string str;
392   if (args != nullptr)
393     str = simgrid::xbt::string_printf("[(%lu)%s (%s)] %s(%s)", issuer->pid, MC_smx_actor_get_host_name(issuer),
394                                       MC_smx_actor_get_name(issuer), type, args);
395   else
396     str = simgrid::xbt::string_printf("[(%lu)%s (%s)] %s ", issuer->pid, MC_smx_actor_get_host_name(issuer),
397                                       MC_smx_actor_get_name(issuer), type);
398   xbt_free(args);
399   return str;
400 }
401
402 namespace simgrid {
403 namespace mc {
404
405 bool request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx)
406 {
407   simgrid::kernel::activity::ActivityImpl* remote_act = nullptr;
408   switch (req->call) {
409
410   case SIMCALL_COMM_WAIT:
411     /* FIXME: check also that src and dst processes are not suspended */
412     remote_act = simcall_comm_wait__getraw__comm(req);
413     break;
414
415   case SIMCALL_COMM_WAITANY: {
416     read_element(mc_model_checker->process(), &remote_act, remote(simcall_comm_waitany__getraw__comms(req)), idx,
417                  sizeof(remote_act));
418     }
419     break;
420
421   case SIMCALL_COMM_TESTANY:
422     remote_act = mc_model_checker->process().read(remote(simcall_comm_testany__getraw__comms(req) + idx));
423     break;
424
425   default:
426     return true;
427   }
428
429   simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_comm;
430   mc_model_checker->process().read(temp_comm, remote(static_cast<simgrid::kernel::activity::CommImpl*>(remote_act)));
431   simgrid::kernel::activity::CommImpl* comm = temp_comm.getBuffer();
432   return comm->src_proc && comm->dst_proc;
433 }
434
435 bool actor_is_enabled(smx_actor_t actor)
436 {
437   return simgrid::mc::request_is_enabled(&actor->simcall);
438 }
439
440 static const char* colors[] = {
441   "blue",
442   "red",
443   "green3",
444   "goldenrod",
445   "brown",
446   "purple",
447   "magenta",
448   "turquoise4",
449   "gray25",
450   "forestgreen",
451   "hotpink",
452   "lightblue",
453   "tan",
454 };
455
456 static inline const char* get_color(int id)
457 {
458   return colors[id % (sizeof(colors) / sizeof(colors[0])) ];
459 }
460
461 std::string request_get_dot_output(smx_simcall_t req, int value)
462 {
463   std::string label;
464
465   const smx_actor_t issuer = MC_smx_simcall_get_issuer(req);
466
467   switch (req->call) {
468   case SIMCALL_COMM_ISEND:
469     if (issuer->host)
470       label = simgrid::xbt::string_printf("[(%lu)%s] iSend", issuer->pid, MC_smx_actor_get_host_name(issuer));
471     else
472       label = bprintf("[(%lu)] iSend", issuer->pid);
473     break;
474
475   case SIMCALL_COMM_IRECV:
476     if (issuer->host)
477       label = simgrid::xbt::string_printf("[(%lu)%s] iRecv", issuer->pid, MC_smx_actor_get_host_name(issuer));
478     else
479       label = simgrid::xbt::string_printf("[(%lu)] iRecv", issuer->pid);
480     break;
481
482   case SIMCALL_COMM_WAIT: {
483     if (value == -1) {
484       if (issuer->host)
485         label = simgrid::xbt::string_printf("[(%lu)%s] WaitTimeout", issuer->pid, MC_smx_actor_get_host_name(issuer));
486       else
487         label = simgrid::xbt::string_printf("[(%lu)] WaitTimeout", issuer->pid);
488     } else {
489       simgrid::kernel::activity::ActivityImpl* remote_act = simcall_comm_wait__getraw__comm(req);
490       simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_comm;
491       mc_model_checker->process().read(temp_comm,
492                                        remote(static_cast<simgrid::kernel::activity::CommImpl*>(remote_act)));
493       simgrid::kernel::activity::CommImpl* comm = temp_comm.getBuffer();
494
495       smx_actor_t src_proc = mc_model_checker->process().resolveActor(simgrid::mc::remote(comm->src_proc));
496       smx_actor_t dst_proc = mc_model_checker->process().resolveActor(simgrid::mc::remote(comm->dst_proc));
497       if (issuer->host)
498         label = simgrid::xbt::string_printf("[(%lu)%s] Wait [(%lu)->(%lu)]", issuer->pid,
499                                             MC_smx_actor_get_host_name(issuer), src_proc ? src_proc->pid : 0,
500                                             dst_proc ? dst_proc->pid : 0);
501       else
502         label = simgrid::xbt::string_printf("[(%lu)] Wait [(%lu)->(%lu)]",
503                     issuer->pid,
504                     src_proc ? src_proc->pid : 0,
505                     dst_proc ? dst_proc->pid : 0);
506     }
507     break;
508   }
509
510   case SIMCALL_COMM_TEST: {
511     simgrid::kernel::activity::ActivityImpl* remote_act = simcall_comm_test__getraw__comm(req);
512     simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_comm;
513     mc_model_checker->process().read(temp_comm, remote(static_cast<simgrid::kernel::activity::CommImpl*>(remote_act)));
514     simgrid::kernel::activity::CommImpl* comm = temp_comm.getBuffer();
515     if (comm->src_proc == nullptr || comm->dst_proc == nullptr) {
516       if (issuer->host)
517         label = simgrid::xbt::string_printf("[(%lu)%s] Test FALSE", issuer->pid, MC_smx_actor_get_host_name(issuer));
518       else
519         label = bprintf("[(%lu)] Test FALSE", issuer->pid);
520     } else {
521       if (issuer->host)
522         label = simgrid::xbt::string_printf("[(%lu)%s] Test TRUE", issuer->pid, MC_smx_actor_get_host_name(issuer));
523       else
524         label = simgrid::xbt::string_printf("[(%lu)] Test TRUE", issuer->pid);
525     }
526     break;
527   }
528
529   case SIMCALL_COMM_WAITANY: {
530     unsigned long comms_size = read_length(
531       mc_model_checker->process(), remote(simcall_comm_waitany__get__comms(req)));
532     if (issuer->host)
533       label = simgrid::xbt::string_printf("[(%lu)%s] WaitAny [%d of %lu]", issuer->pid,
534                                           MC_smx_actor_get_host_name(issuer), value + 1, comms_size);
535     else
536       label = simgrid::xbt::string_printf("[(%lu)] WaitAny [%d of %lu]",
537                   issuer->pid, value + 1, comms_size);
538     break;
539   }
540
541   case SIMCALL_COMM_TESTANY:
542     if (value == -1) {
543       if (issuer->host)
544         label = simgrid::xbt::string_printf("[(%lu)%s] TestAny FALSE", issuer->pid, MC_smx_actor_get_host_name(issuer));
545       else
546         label = simgrid::xbt::string_printf("[(%lu)] TestAny FALSE", issuer->pid);
547     } else {
548       if (issuer->host)
549         label = simgrid::xbt::string_printf("[(%lu)%s] TestAny TRUE [%d of %lu]", issuer->pid,
550                                             MC_smx_actor_get_host_name(issuer), value + 1,
551                                             simcall_comm_testany__get__count(req));
552       else
553         label = simgrid::xbt::string_printf("[(%lu)] TestAny TRUE [%d of %lu]",
554                     issuer->pid,
555                     value + 1,
556                     simcall_comm_testany__get__count(req));
557     }
558     break;
559
560   case SIMCALL_MUTEX_TRYLOCK:
561     label = simgrid::xbt::string_printf("[(%lu)] Mutex TRYLOCK", issuer->pid);
562     break;
563
564   case SIMCALL_MUTEX_LOCK:
565     label = simgrid::xbt::string_printf("[(%lu)] Mutex LOCK", issuer->pid);
566     break;
567
568   case SIMCALL_MC_RANDOM:
569     if (issuer->host)
570       label = simgrid::xbt::string_printf("[(%lu)%s] MC_RANDOM (%d)", issuer->pid, MC_smx_actor_get_host_name(issuer),
571                                           value);
572     else
573       label = simgrid::xbt::string_printf("[(%lu)] MC_RANDOM (%d)", issuer->pid, value);
574     break;
575
576   default:
577     THROW_UNIMPLEMENTED;
578   }
579
580   const char* color = get_color(issuer->pid - 1);
581   return  simgrid::xbt::string_printf(
582         "label = \"%s\", color = %s, fontcolor = %s", label.c_str(),
583         color, color);
584 }
585
586 }
587 }