1 /* Copyright (c) 2009, 2010. 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 /* surf_config: configuration infrastructure for the simulation world */
9 #include "xbt/config.h"
11 #include "surf/surf_private.h"
12 #include "surf/surf_routing.h" /* COORD_HOST_LEVEL and COORD_ASR_LEVEL */
13 #include "simix/context.h"
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_config, surf,
16 "About the configuration of surf (and the rest of the simulation)");
18 xbt_cfg_t _surf_cfg_set = NULL;
20 static void LOG_help(void)
22 printf("Description of the logging output:\n");
23 printf("\tIn your command line use option: --log=CATEGORY_NAME.thres:PRIORITY_LEVEL\n");
24 printf("\t\tCATEGORY_NAME: defined in code with function 'XBT_LOG_NEW_CATEGORY'\n");
25 printf("\t\tPRIORITY_LEVEL: the level to print (trace,debug,verbose,info,warning,error,critical)\n");
29 /* Parse the command line, looking for options */
30 static void surf_config_cmd_line(int *argc, char **argv)
35 for (i = 1; i < *argc; i++) {
37 if (!strncmp(argv[i], "--cfg=", strlen("--cfg="))) {
38 opt = strchr(argv[i], '=');
41 xbt_cfg_set_parse(_surf_cfg_set, opt);
42 XBT_DEBUG("Did apply '%s' as config setting", opt);
44 } else if (!strncmp(argv[i], "--cfg-help", strlen("--cfg-help") + 1) ||
45 !strncmp(argv[i], "--help", strlen("--help") + 1)) {
47 ("Description of the configuration accepted by this simulator:\n");
48 xbt_cfg_help(_surf_cfg_set);
49 printf("\nYou can also use --help-models to see the details of all models known by this simulator.\n");
51 printf("\nYou can also use --help-tracing to see the details of all tracing options known by this simulator.\n");
53 printf("\nYou can also use --help-logs to see the details of logging output.\n\n");
55 } else if (!strncmp(argv[i], "--help-models", strlen("--help-models") + 1)) {
56 model_help("workstation", surf_workstation_model_description);
58 model_help("CPU", surf_cpu_model_description);
60 model_help("network", surf_network_model_description);
61 printf("\nLong description of all optimization levels accepted by the models of this simulator:\n");
62 for (i = 0; surf_optimization_mode_description[i].name; i++)
63 printf(" %s: %s\n", surf_optimization_mode_description[i].name, surf_optimization_mode_description[i].description);
64 printf("Both network and CPU models have 'Lazy' as default optimization level\n");
66 } else if (!strncmp(argv[i], "--help-logs", strlen("--help-logs") + 1)) {
70 } else if (!strncmp(argv[i], "--help-tracing", strlen("--help-tracing") + 1)) {
75 if (remove_it) { /*remove this from argv */
76 for (j = i + 1; j < *argc; j++) {
77 argv[j - 1] = argv[j];
82 i--; /* compensate effect of next loop incrementation */
88 int _surf_init_status = 0; /* 0: beginning of time;
89 1: pre-inited (cfg_set created);
90 2: inited (running) */
92 /* callback of the workstation/model variable */
93 static void _surf_cfg_cb__workstation_model(const char *name, int pos)
97 xbt_assert(_surf_init_status < 2,
98 "Cannot change the model after the initialization");
100 val = xbt_cfg_get_string(_surf_cfg_set, name);
102 if (!strcmp(val, "help")) {
103 model_help("workstation", surf_workstation_model_description);
107 /* Make sure that the model exists */
108 find_model_description(surf_workstation_model_description, val);
111 /* callback of the cpu/model variable */
112 static void _surf_cfg_cb__cpu_model(const char *name, int pos)
116 xbt_assert(_surf_init_status < 2,
117 "Cannot change the model after the initialization");
119 val = xbt_cfg_get_string(_surf_cfg_set, name);
121 if (!strcmp(val, "help")) {
122 model_help("CPU", surf_cpu_model_description);
126 /* New Module missing */
127 find_model_description(surf_cpu_model_description, val);
130 /* callback of the cpu/model variable */
131 static void _surf_cfg_cb__optimization_mode(const char *name, int pos)
135 xbt_assert(_surf_init_status < 2,
136 "Cannot change the model after the initialization");
138 val = xbt_cfg_get_string(_surf_cfg_set, name);
140 if (!strcmp(val, "help")) {
141 model_help("optimization", surf_optimization_mode_description);
145 /* New Module missing */
146 find_model_description(surf_optimization_mode_description, val);
149 /* callback of the cpu/model variable */
150 static void _surf_cfg_cb__storage_mode(const char *name, int pos)
154 xbt_assert(_surf_init_status < 2,
155 "Cannot change the model after the initialization");
157 val = xbt_cfg_get_string(_surf_cfg_set, name);
159 if (!strcmp(val, "help")) {
160 model_help("storage", surf_storage_model_description);
164 /* New Module missing */
165 find_model_description(surf_storage_model_description, val);
168 /* callback of the workstation_model variable */
169 static void _surf_cfg_cb__network_model(const char *name, int pos)
173 xbt_assert(_surf_init_status < 2,
174 "Cannot change the model after the initialization");
176 val = xbt_cfg_get_string(_surf_cfg_set, name);
178 if (!strcmp(val, "help")) {
179 model_help("network", surf_network_model_description);
183 /* New Module missing */
184 find_model_description(surf_network_model_description, val);
188 /* callbacks of the network models values */
189 static void _surf_cfg_cb__tcp_gamma(const char *name, int pos)
191 sg_tcp_gamma = xbt_cfg_get_double(_surf_cfg_set, name);
194 static void _surf_cfg_cb__maxmin_precision(const char* name, int pos)
196 sg_maxmin_precision = xbt_cfg_get_double(_surf_cfg_set, name);
199 static void _surf_cfg_cb__sender_gap(const char* name, int pos)
201 sg_sender_gap = xbt_cfg_get_double(_surf_cfg_set, name);
204 static void _surf_cfg_cb__latency_factor(const char *name, int pos)
206 sg_latency_factor = xbt_cfg_get_double(_surf_cfg_set, name);
209 static void _surf_cfg_cb__bandwidth_factor(const char *name, int pos)
211 sg_bandwidth_factor = xbt_cfg_get_double(_surf_cfg_set, name);
214 static void _surf_cfg_cb__weight_S(const char *name, int pos)
216 sg_weight_S_parameter = xbt_cfg_get_double(_surf_cfg_set, name);
219 /* callback of the inclusion path */
220 static void _surf_cfg_cb__surf_path(const char *name, int pos)
222 char *path = xbt_cfg_get_string_at(_surf_cfg_set, name, pos);
223 xbt_dynar_push(surf_path, &path);
226 /* callback to decide if we want to use the model-checking */
227 #include "xbt_modinter.h"
228 extern int _surf_do_model_check; /* this variable lives in xbt_main until I find a right location for it */
230 static void _surf_cfg_cb_model_check(const char *name, int pos)
232 _surf_do_model_check = xbt_cfg_get_int(_surf_cfg_set, name);
234 if (_surf_do_model_check) {
235 /* Tell modules using mallocators that they shouldn't. MC don't like them */
241 extern int _surf_do_verbose_exit;
243 static void _surf_cfg_cb_verbose_exit(const char *name, int pos)
245 _surf_do_verbose_exit = xbt_cfg_get_int(_surf_cfg_set, name);
249 static void _surf_cfg_cb_context_factory(const char *name, int pos)
251 smx_context_factory_name = xbt_cfg_get_string(_surf_cfg_set, name);
254 static void _surf_cfg_cb_context_stack_size(const char *name, int pos)
256 smx_context_stack_size = xbt_cfg_get_int(_surf_cfg_set, name) * 1024;
259 static void _surf_cfg_cb_contexts_nthreads(const char *name, int pos)
261 SIMIX_context_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
264 static void _surf_cfg_cb_contexts_parallel_threshold(const char *name, int pos)
266 SIMIX_context_set_parallel_threshold(xbt_cfg_get_int(_surf_cfg_set, name));
269 static void _surf_cfg_cb_contexts_parallel_mode(const char *name, int pos)
271 const char* mode_name = xbt_cfg_get_string(_surf_cfg_set, name);
272 if (!strcmp(mode_name, "posix")) {
273 SIMIX_context_set_parallel_mode(XBT_PARMAP_POSIX);
275 else if (!strcmp(mode_name, "futex")) {
276 SIMIX_context_set_parallel_mode(XBT_PARMAP_FUTEX);
278 else if (!strcmp(mode_name, "busy_wait")) {
279 SIMIX_context_set_parallel_mode(XBT_PARMAP_BUSY_WAIT);
282 xbt_die("Command line setting of the parallel synchronization mode should "
283 "be one of \"posix\", \"futex\" or \"busy_wait\"");
287 static void _surf_cfg_cb_surf_nthreads(const char *name, int pos)
289 surf_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
292 static void _surf_cfg_cb__surf_network_coordinates(const char *name,
295 char *val = xbt_cfg_get_string(_surf_cfg_set, name);
296 if (!strcmp(val, "yes")) {
297 if (!COORD_HOST_LEVEL) {
298 COORD_HOST_LEVEL = xbt_lib_add_level(host_lib,xbt_dynar_free_voidp);
299 COORD_ASR_LEVEL = xbt_lib_add_level(as_router_lib,xbt_dynar_free_voidp);
301 } else if (!strcmp(val, "no")) {
302 if (COORD_HOST_LEVEL)
303 xbt_die("Setting of whether to use coordinate cannot be disabled once set.");
305 xbt_die("Command line setting of whether to use coordinates must be either \"yes\" or \"no\"");
309 static void _surf_cfg_cb__surf_network_crosstraffic(const char *name,
312 sg_network_crosstraffic = xbt_cfg_get_int(_surf_cfg_set, name);
316 static void _surf_cfg_cb__gtnets_jitter(const char *name, int pos)
318 sg_gtnets_jitter = xbt_cfg_get_double(_surf_cfg_set, name);
321 static void _surf_cfg_cb__gtnets_jitter_seed(const char *name, int pos)
323 sg_gtnets_jitter_seed = xbt_cfg_get_int(_surf_cfg_set, name);
327 /* create the config set, register what should be and parse the command line*/
328 void surf_config_init(int *argc, char **argv)
330 char *description = xbt_malloc(1024), *p = description;
332 double double_default_value;
333 int default_value_int;
336 /* Create the configuration support */
337 if (_surf_init_status == 0) { /* Only create stuff if not already inited */
338 _surf_init_status = 1;
341 "The model to use for the CPU. Possible values: ");
343 while (*(++p) != '\0');
344 for (i = 0; surf_cpu_model_description[i].name; i++)
345 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
346 surf_cpu_model_description[i].name);
348 ".\n (use 'help' as a value to see the long description of each model)");
349 default_value = xbt_strdup("Cas01");
350 xbt_cfg_register(&_surf_cfg_set, "cpu/model", description, xbt_cfgelm_string,
351 &default_value, 1, 1, &_surf_cfg_cb__cpu_model, NULL);
354 "The optimization modes to use for the CPU. Possible values: ");
356 while (*(++p) != '\0');
357 for (i = 0; surf_optimization_mode_description[i].name; i++)
358 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
359 surf_optimization_mode_description[i].name);
361 ".\n (use 'help' as a value to see the long description of each optimization mode)");
362 default_value = xbt_strdup("Lazy");
363 xbt_cfg_register(&_surf_cfg_set, "cpu/optim", description, xbt_cfgelm_string,
364 &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
367 "The model to use for the storage. Possible values: ");
369 while (*(++p) != '\0');
370 for (i = 0; surf_storage_model_description[i].name; i++)
371 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
372 surf_storage_model_description[i].name);
374 ".\n (use 'help' as a value to see the long description of each model)");
375 default_value = xbt_strdup("default");
376 xbt_cfg_register(&_surf_cfg_set, "storage/model", description, xbt_cfgelm_string,
377 &default_value, 1, 1, &_surf_cfg_cb__storage_mode,
381 "The model to use for the network. Possible values: ");
383 while (*(++p) != '\0');
384 for (i = 0; surf_network_model_description[i].name; i++)
385 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
386 surf_network_model_description[i].name);
388 ".\n (use 'help' as a value to see the long description of each model)");
389 default_value = xbt_strdup("LV08");
390 xbt_cfg_register(&_surf_cfg_set, "network/model", description, xbt_cfgelm_string,
391 &default_value, 1, 1, &_surf_cfg_cb__network_model,
395 "The optimization modes to use for the network. Possible values: ");
397 while (*(++p) != '\0');
398 for (i = 0; surf_optimization_mode_description[i].name; i++)
399 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
400 surf_optimization_mode_description[i].name);
402 ".\n (use 'help' as a value to see the long description of each optimization mode)");
403 default_value = xbt_strdup("Lazy");
404 xbt_cfg_register(&_surf_cfg_set, "network/optim", description, xbt_cfgelm_string,
405 &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
408 "The model to use for the workstation. Possible values: ");
410 while (*(++p) != '\0');
411 for (i = 0; surf_workstation_model_description[i].name; i++)
412 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
413 surf_workstation_model_description[i].name);
415 ".\n (use 'help' as a value to see the long description of each model)");
416 default_value = xbt_strdup("default");
417 xbt_cfg_register(&_surf_cfg_set, "workstation/model", description, xbt_cfgelm_string,
418 &default_value, 1, 1,
419 &_surf_cfg_cb__workstation_model, NULL);
421 xbt_free(description);
423 xbt_cfg_register(&_surf_cfg_set, "network/TCP_gamma",
424 "Size of the biggest TCP window (cat /proc/sys/net/ipv4/tcp_[rw]mem for recv/send window; Use the last given value, which is the max window size)",
425 xbt_cfgelm_double, NULL, 1, 1,
426 _surf_cfg_cb__tcp_gamma, NULL);
427 xbt_cfg_setdefault_double(_surf_cfg_set, "network/TCP_gamma", 20000.0);
429 xbt_cfg_register(&_surf_cfg_set, "maxmin/precision",
430 "Numerical precision used when updating simulation models (epsilon in double comparisons)",
431 xbt_cfgelm_double, NULL, 1, 1, _surf_cfg_cb__maxmin_precision, NULL);
432 xbt_cfg_setdefault_double(_surf_cfg_set, "maxmin/precision", 0.00001); // FIXME use setdefault everywhere here!
434 /* The parameters of network models */
436 double_default_value = 0.0;
437 xbt_cfg_register(&_surf_cfg_set, "network/sender_gap",
438 "Minimum gap between two overlapping sends",
439 xbt_cfgelm_double, &double_default_value, 1, 1,
440 _surf_cfg_cb__sender_gap, NULL);
442 double_default_value = 1.0;
443 xbt_cfg_register(&_surf_cfg_set, "network/latency_factor",
444 "Correction factor to apply to the provided latency (default value set by network model)",
445 xbt_cfgelm_double, &double_default_value, 1, 1,
446 _surf_cfg_cb__latency_factor, NULL);
447 double_default_value = 1.0;
448 xbt_cfg_register(&_surf_cfg_set, "network/bandwidth_factor",
449 "Correction factor to apply to the provided bandwidth (default value set by network model)",
450 xbt_cfgelm_double, &double_default_value, 1, 1,
451 _surf_cfg_cb__bandwidth_factor, NULL);
452 double_default_value = 0.0;
453 xbt_cfg_register(&_surf_cfg_set, "network/weight_S",
454 "Correction factor to apply to the weight of competing streams(default value set by network model)",
455 xbt_cfgelm_double, &double_default_value, 1, 1,
456 _surf_cfg_cb__weight_S, NULL);
459 xbt_cfg_register(&_surf_cfg_set, "path",
460 "Lookup path for inclusions in platform and deployment XML files",
461 xbt_cfgelm_string, NULL, 0, 0,
462 _surf_cfg_cb__surf_path, NULL);
464 default_value_int = 0;
465 xbt_cfg_register(&_surf_cfg_set, "cpu/maxmin_selective_update",
466 "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
467 xbt_cfgelm_int, &default_value_int, 0, 1,
469 default_value_int = 0;
470 xbt_cfg_register(&_surf_cfg_set, "network/maxmin_selective_update",
471 "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
472 xbt_cfgelm_int, &default_value_int, 0, 1,
476 default_value_int = 0;
477 xbt_cfg_register(&_surf_cfg_set, "model-check",
478 "Activate the model-checking of the \"simulated\" system (EXPERIMENTAL -- msg only for now)",
479 xbt_cfgelm_int, &default_value_int, 0, 1,
480 _surf_cfg_cb_model_check, NULL);
483 FIXME: this function is not setting model-check to it's default value because
484 internally it calls to variable->cb_set that in this case is the function
485 _surf_cfg_cb_model_check which sets it's value to 1 (instead of the default value 0)
486 xbt_cfg_set_int(_surf_cfg_set, "model-check", default_value_int); */
488 /* do verbose-exit */
489 default_value_int = 1;
490 xbt_cfg_register(&_surf_cfg_set, "verbose-exit",
491 "Activate the \"do nothing\" mode in Ctrl-C",
492 xbt_cfgelm_int, &default_value_int, 0, 1,
493 _surf_cfg_cb_verbose_exit, NULL);
496 /* context factory */
497 default_value = xbt_strdup("ucontext");
498 xbt_cfg_register(&_surf_cfg_set, "contexts/factory",
499 "Context factory to use in SIMIX (ucontext, thread or raw)",
500 xbt_cfgelm_string, &default_value, 1, 1, _surf_cfg_cb_context_factory, NULL);
502 /* stack size of contexts in Ko */
503 default_value_int = 128;
504 xbt_cfg_register(&_surf_cfg_set, "contexts/stack_size",
505 "Stack size of contexts in Kib (ucontext or raw only)",
506 xbt_cfgelm_int, &default_value_int, 1, 1,
507 _surf_cfg_cb_context_stack_size, NULL);
509 /* number of parallel threads for user processes */
510 default_value_int = 1;
511 xbt_cfg_register(&_surf_cfg_set, "contexts/nthreads",
512 "Number of parallel threads used to execute user contexts",
513 xbt_cfgelm_int, &default_value_int, 1, 1,
514 _surf_cfg_cb_contexts_nthreads, NULL);
516 /* minimal number of user contexts to be run in parallel */
517 default_value_int = 2;
518 xbt_cfg_register(&_surf_cfg_set, "contexts/parallel_threshold",
519 "Minimal number of user contexts to be run in parallel (raw contexts only)",
520 xbt_cfgelm_int, &default_value_int, 1, 1,
521 _surf_cfg_cb_contexts_parallel_threshold, NULL);
523 /* synchronization mode for parallel user contexts */
525 default_value = xbt_strdup("futex");
526 #else //No futex on mac and posix is unimplememted yet
527 default_value = xbt_strdup("busy_wait");
529 xbt_cfg_register(&_surf_cfg_set, "contexts/synchro",
530 "Synchronization mode to use when running contexts in parallel (either futex, posix or busy_wait)",
531 xbt_cfgelm_string, &default_value, 1, 1,
532 _surf_cfg_cb_contexts_parallel_mode, NULL);
534 /* number of parallel threads for Surf */
535 default_value_int = surf_get_nthreads();
536 xbt_cfg_register(&_surf_cfg_set, "surf/nthreads",
537 "Number of parallel threads used to update Surf models",
538 xbt_cfgelm_int, &default_value_int, 1, 1,
539 _surf_cfg_cb_surf_nthreads, NULL);
541 default_value = xbt_strdup("no");
542 xbt_cfg_register(&_surf_cfg_set, "network/coordinates",
543 "\"yes\" or \"no\", specifying whether we use a coordinate-based routing (as Vivaldi)",
544 xbt_cfgelm_string, &default_value, 1, 1,
545 _surf_cfg_cb__surf_network_coordinates, NULL);
546 xbt_cfg_setdefault_string(_surf_cfg_set, "network/coordinates", default_value);
548 default_value_int = 0;
549 xbt_cfg_register(&_surf_cfg_set, "network/crosstraffic",
550 "Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM02)",
551 xbt_cfgelm_int, &default_value_int, 0, 1,
552 _surf_cfg_cb__surf_network_crosstraffic, NULL);
553 xbt_cfg_setdefault_int(_surf_cfg_set, "network/crosstraffic", default_value_int);
556 xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter",
557 "Double value to oscillate the link latency, uniformly in random interval [-latency*gtnets_jitter,latency*gtnets_jitter)",
558 xbt_cfgelm_double, NULL, 1, 1,
559 _surf_cfg_cb__gtnets_jitter, NULL);
560 xbt_cfg_setdefault_double(_surf_cfg_set, "gtnets/jitter", 0.0);
562 default_value_int = 10;
563 xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter_seed",
564 "Use a positive seed to reproduce jitted results, value must be in [1,1e8], default is 10",
565 xbt_cfgelm_int, &default_value_int, 0, 1,
566 _surf_cfg_cb__gtnets_jitter_seed, NULL);
569 xbt_cfg_register(&_surf_cfg_set, "ns3/TcpModel",
570 "The ns3 tcp model can be : NewReno or Reno or Tahoe",
571 xbt_cfgelm_string, NULL, 1, 1,
573 xbt_cfg_setdefault_string(_surf_cfg_set, "ns3/TcpModel", "default");
577 double default_reference_speed = 20000.0;
578 xbt_cfg_register(&_surf_cfg_set, "smpi/running_power",
579 "Power of the host running the simulation (in flop/s). Used to bench the operations.",
580 xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL,
583 int default_display_timing = 0;
584 xbt_cfg_register(&_surf_cfg_set, "smpi/display_timing",
585 "Boolean indicating whether we should display the timing after simulation.",
586 xbt_cfgelm_int, &default_display_timing, 1, 1, NULL,
589 double default_threshold = 1e-6;
590 xbt_cfg_register(&_surf_cfg_set, "smpi/cpu_threshold",
591 "Minimal computation time (in seconds) not discarded.",
592 xbt_cfgelm_double, &default_threshold, 1, 1, NULL,
595 //For smpi/bw_factor and smpi/lat_factor
596 //Default value have to be "threshold0:value0;threshold1:value1;...;thresholdN:valueN"
597 //test is if( size >= thresholdN ) return valueN;
598 //Values can be modified with command line --cfg=smpi/bw_factor:"threshold0:value0;threshold1:value1;...;thresholdN:valueN"
599 // or with tag config put line <prop id="smpi/bw_factor" value="threshold0:value0;threshold1:value1;...;thresholdN:valueN"></prop>
600 xbt_cfg_register(&_surf_cfg_set, "smpi/bw_factor",
601 "Bandwidth factors for smpi.",
602 xbt_cfgelm_string, NULL, 1, 1, NULL,
604 xbt_cfg_setdefault_string(_surf_cfg_set, "smpi/bw_factor", "65472:0.940694;15424:0.697866;9376:0.58729;5776:1.08739;3484:0.77493;1426:0.608902;732:0.341987;257:0.338112;0:0.812084");
606 xbt_cfg_register(&_surf_cfg_set, "smpi/lat_factor",
607 "Latency factors for smpi.",
608 xbt_cfgelm_string, NULL, 1, 1, NULL,
610 xbt_cfg_setdefault_string(_surf_cfg_set, "smpi/lat_factor", "65472:11.6436;15424:3.48845;9376:2.59299;5776:2.18796;3484:1.88101;1426:1.61075;732:1.9503;257:1.95341;0:2.01467");
615 /* retrieves the current directory of the current process */
616 const char *initial_path = __surf_get_initial_path();
617 xbt_assert((initial_path),
618 "__surf_get_initial_path() failed! Can't resolves current Windows directory");
620 surf_path = xbt_dynar_new(sizeof(char *), NULL);
621 xbt_cfg_setdefault_string(_surf_cfg_set, "path", initial_path);
625 surf_config_cmd_line(argc, argv);
627 XBT_WARN("Call to surf_config_init() after initialization ignored");
631 void surf_config_finalize(void)
633 if (!_surf_init_status)
634 return; /* Not initialized yet. Nothing to do */
636 xbt_cfg_free(&_surf_cfg_set);
637 _surf_init_status = 0;
640 /* Pick the right models for CPU, net and workstation, and call their model_init_preparse */
641 void surf_config_models_setup()
643 char *workstation_model_name;
644 int workstation_id = -1;
645 char *network_model_name = NULL;
646 char *cpu_model_name = NULL;
648 char *storage_model_name = NULL;
650 workstation_model_name =
651 xbt_cfg_get_string(_surf_cfg_set, "workstation/model");
652 network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network/model");
653 cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu/model");
654 storage_model_name = xbt_cfg_get_string(_surf_cfg_set, "storage/model");
656 /* Check whether we use a net/cpu model differing from the default ones, in which case
657 * we should switch to the "compound" workstation model to correctly dispatch stuff to
658 * the right net/cpu models.
661 if((!xbt_cfg_is_default_value(_surf_cfg_set, "network/model") ||
662 !xbt_cfg_is_default_value(_surf_cfg_set, "cpu/model")) &&
663 xbt_cfg_is_default_value(_surf_cfg_set, "workstation/model"))
665 const char *val = "compound";
667 ("Switching workstation model to compound since you changed the network and/or cpu model(s)");
668 xbt_cfg_set_string(_surf_cfg_set, "workstation/model", val);
669 workstation_model_name = (char *) "compound";
672 XBT_DEBUG("Workstation model: %s", workstation_model_name);
674 find_model_description(surf_workstation_model_description,
675 workstation_model_name);
676 if (!strcmp(workstation_model_name, "compound")) {
680 xbt_assert(cpu_model_name,
681 "Set a cpu model to use with the 'compound' workstation model");
683 xbt_assert(network_model_name,
684 "Set a network model to use with the 'compound' workstation model");
687 find_model_description(surf_network_model_description,
690 find_model_description(surf_cpu_model_description, cpu_model_name);
692 surf_cpu_model_description[cpu_id].model_init_preparse();
693 surf_network_model_description[network_id].model_init_preparse();
696 XBT_DEBUG("Call workstation_model_init");
697 surf_workstation_model_description[workstation_id].model_init_preparse();
699 XBT_DEBUG("Call storage_model_init");
700 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
701 surf_storage_model_description[storage_id].model_init_preparse();