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"
12 #include "surf/surf_private.h"
13 #include "surf/surf_routing.h" /* COORD_HOST_LEVEL and COORD_ASR_LEVEL */
14 #include "simgrid/simix.h"
16 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_config, surf,
17 "About the configuration of surf (and the rest of the simulation)");
19 xbt_cfg_t _surf_cfg_set = NULL;
21 /* Parse the command line, looking for options */
22 static void surf_config_cmd_line(int *argc, char **argv)
28 for (j = i = 1; i < *argc; i++) {
29 if (!strncmp(argv[i], "--cfg=", strlen("--cfg="))) {
30 opt = strchr(argv[i], '=');
33 xbt_cfg_set_parse(_surf_cfg_set, opt);
34 XBT_DEBUG("Did apply '%s' as config setting", opt);
35 } else if (!strcmp(argv[i], "--cfg-help") || !strcmp(argv[i], "--help")) {
37 ("Description of the configuration accepted by this simulator:\n");
38 xbt_cfg_help(_surf_cfg_set);
41 "Each of these configurations can be used by adding\n"
42 " --cfg=<option name>:<option value>\n"
43 "to the command line.\n"
44 "You can also use --help-models to see the details of all models known by this simulator.\n"
47 "You can also use --help-tracing to see the details of all tracing options known by this simulator.\n"
50 "You can also use --help-logs and --help-log-categories to see the details of logging output.\n"
54 } else if (!strcmp(argv[i], "--help-models")) {
57 model_help("workstation", surf_workstation_model_description);
59 model_help("CPU", surf_cpu_model_description);
61 model_help("network", surf_network_model_description);
62 printf("\nLong description of all optimization levels accepted by the models of this simulator:\n");
63 for (k = 0; surf_optimization_mode_description[k].name; k++)
65 surf_optimization_mode_description[k].name,
66 surf_optimization_mode_description[k].description);
67 printf("Both network and CPU models have 'Lazy' as default optimization level\n\n");
70 } else if (!strcmp(argv[i], "--help-tracing")) {
87 int _surf_init_status = 0; /* 0: beginning of time;
88 1: pre-inited (cfg_set created);
89 2: inited (running) */
91 /* callback of the workstation/model variable */
92 static void _surf_cfg_cb__workstation_model(const char *name, int pos)
96 xbt_assert(_surf_init_status < 2,
97 "Cannot change the model after the initialization");
99 val = xbt_cfg_get_string(_surf_cfg_set, name);
101 if (!strcmp(val, "help")) {
102 model_help("workstation", surf_workstation_model_description);
106 /* Make sure that the model exists */
107 find_model_description(surf_workstation_model_description, val);
110 /* callback of the cpu/model variable */
111 static void _surf_cfg_cb__cpu_model(const char *name, int pos)
115 xbt_assert(_surf_init_status < 2,
116 "Cannot change the model after the initialization");
118 val = xbt_cfg_get_string(_surf_cfg_set, name);
120 if (!strcmp(val, "help")) {
121 model_help("CPU", surf_cpu_model_description);
125 /* New Module missing */
126 find_model_description(surf_cpu_model_description, val);
129 /* callback of the cpu/model variable */
130 static void _surf_cfg_cb__optimization_mode(const char *name, int pos)
134 xbt_assert(_surf_init_status < 2,
135 "Cannot change the model after the initialization");
137 val = xbt_cfg_get_string(_surf_cfg_set, name);
139 if (!strcmp(val, "help")) {
140 model_help("optimization", surf_optimization_mode_description);
144 /* New Module missing */
145 find_model_description(surf_optimization_mode_description, val);
148 /* callback of the cpu/model variable */
149 static void _surf_cfg_cb__storage_mode(const char *name, int pos)
153 xbt_assert(_surf_init_status < 2,
154 "Cannot change the model after the initialization");
156 val = xbt_cfg_get_string(_surf_cfg_set, name);
158 if (!strcmp(val, "help")) {
159 model_help("storage", surf_storage_model_description);
163 /* New Module missing */
164 find_model_description(surf_storage_model_description, val);
167 /* callback of the workstation_model variable */
168 static void _surf_cfg_cb__network_model(const char *name, int pos)
172 xbt_assert(_surf_init_status < 2,
173 "Cannot change the model after the initialization");
175 val = xbt_cfg_get_string(_surf_cfg_set, name);
177 if (!strcmp(val, "help")) {
178 model_help("network", surf_network_model_description);
182 /* New Module missing */
183 find_model_description(surf_network_model_description, val);
187 /* callbacks of the network models values */
188 static void _surf_cfg_cb__tcp_gamma(const char *name, int pos)
190 sg_tcp_gamma = xbt_cfg_get_double(_surf_cfg_set, name);
193 static void _surf_cfg_cb__maxmin_precision(const char* name, int pos)
195 sg_maxmin_precision = xbt_cfg_get_double(_surf_cfg_set, name);
198 static void _surf_cfg_cb__sender_gap(const char* name, int pos)
200 sg_sender_gap = xbt_cfg_get_double(_surf_cfg_set, name);
203 static void _surf_cfg_cb__latency_factor(const char *name, int pos)
205 sg_latency_factor = xbt_cfg_get_double(_surf_cfg_set, name);
208 static void _surf_cfg_cb__bandwidth_factor(const char *name, int pos)
210 sg_bandwidth_factor = xbt_cfg_get_double(_surf_cfg_set, name);
213 static void _surf_cfg_cb__weight_S(const char *name, int pos)
215 sg_weight_S_parameter = xbt_cfg_get_double(_surf_cfg_set, name);
218 /* callback of the inclusion path */
219 static void _surf_cfg_cb__surf_path(const char *name, int pos)
221 char *path = xbt_cfg_get_string_at(_surf_cfg_set, name, pos);
222 xbt_dynar_push(surf_path, &path);
225 /* callback to decide if we want to use the model-checking */
226 #include "xbt_modinter.h"
227 extern int _surf_do_model_check; /* this variable lives in xbt_main until I find a right location for it */
229 static void _surf_cfg_cb_model_check(const char *name, int pos)
231 _surf_do_model_check = xbt_cfg_get_int(_surf_cfg_set, name);
233 if (_surf_do_model_check) {
235 xbt_die("You tried to activate the model-checking from the command line, but it was not compiled in. Change your settings in cmake, recompile and try again");
237 /* Tell modules using mallocators that they shouldn't. MC don't like them */
243 extern int _surf_do_mc_checkpoint; /* this variable lives in xbt_main until I find a right location for it */
245 static void _surf_cfg_cb_mc_checkpoint(const char *name, int pos)
247 _surf_do_mc_checkpoint = xbt_cfg_get_int(_surf_cfg_set, name);
248 xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
251 extern int _surf_do_verbose_exit;
253 static void _surf_cfg_cb_verbose_exit(const char *name, int pos)
255 _surf_do_verbose_exit = xbt_cfg_get_int(_surf_cfg_set, name);
259 static void _surf_cfg_cb_context_factory(const char *name, int pos)
261 smx_context_factory_name = xbt_cfg_get_string(_surf_cfg_set, name);
264 static void _surf_cfg_cb_context_stack_size(const char *name, int pos)
266 smx_context_stack_size = xbt_cfg_get_int(_surf_cfg_set, name) * 1024;
269 static void _surf_cfg_cb_contexts_nthreads(const char *name, int pos)
271 SIMIX_context_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
274 static void _surf_cfg_cb_contexts_parallel_threshold(const char *name, int pos)
276 SIMIX_context_set_parallel_threshold(xbt_cfg_get_int(_surf_cfg_set, name));
279 static void _surf_cfg_cb_contexts_parallel_mode(const char *name, int pos)
281 const char* mode_name = xbt_cfg_get_string(_surf_cfg_set, name);
282 if (!strcmp(mode_name, "posix")) {
283 SIMIX_context_set_parallel_mode(XBT_PARMAP_POSIX);
285 else if (!strcmp(mode_name, "futex")) {
286 SIMIX_context_set_parallel_mode(XBT_PARMAP_FUTEX);
288 else if (!strcmp(mode_name, "busy_wait")) {
289 SIMIX_context_set_parallel_mode(XBT_PARMAP_BUSY_WAIT);
292 xbt_die("Command line setting of the parallel synchronization mode should "
293 "be one of \"posix\", \"futex\" or \"busy_wait\"");
297 static void _surf_cfg_cb_surf_nthreads(const char *name, int pos)
299 surf_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
302 static void _surf_cfg_cb__surf_network_coordinates(const char *name,
305 char *val = xbt_cfg_get_string(_surf_cfg_set, name);
306 if (!strcmp(val, "yes")) {
307 if (!COORD_HOST_LEVEL) {
308 COORD_HOST_LEVEL = xbt_lib_add_level(host_lib,xbt_dynar_free_voidp);
309 COORD_ASR_LEVEL = xbt_lib_add_level(as_router_lib,xbt_dynar_free_voidp);
311 } else if (!strcmp(val, "no")) {
312 if (COORD_HOST_LEVEL)
313 xbt_die("Setting of whether to use coordinate cannot be disabled once set.");
315 xbt_die("Command line setting of whether to use coordinates must be either \"yes\" or \"no\"");
319 static void _surf_cfg_cb__surf_network_crosstraffic(const char *name,
322 sg_network_crosstraffic = xbt_cfg_get_int(_surf_cfg_set, name);
326 static void _surf_cfg_cb__gtnets_jitter(const char *name, int pos)
328 sg_gtnets_jitter = xbt_cfg_get_double(_surf_cfg_set, name);
331 static void _surf_cfg_cb__gtnets_jitter_seed(const char *name, int pos)
333 sg_gtnets_jitter_seed = xbt_cfg_get_int(_surf_cfg_set, name);
337 /* create the config set, register what should be and parse the command line*/
338 void surf_config_init(int *argc, char **argv)
340 char *description = xbt_malloc(1024), *p = description;
342 double double_default_value;
343 int default_value_int;
346 /* Create the configuration support */
347 if (_surf_init_status == 0) { /* Only create stuff if not already inited */
348 _surf_init_status = 1;
351 "The model to use for the CPU. Possible values: ");
353 while (*(++p) != '\0');
354 for (i = 0; surf_cpu_model_description[i].name; i++)
355 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
356 surf_cpu_model_description[i].name);
358 ".\n (use 'help' as a value to see the long description of each model)");
359 default_value = xbt_strdup("Cas01");
360 xbt_cfg_register(&_surf_cfg_set, "cpu/model", description, xbt_cfgelm_string,
361 &default_value, 1, 1, &_surf_cfg_cb__cpu_model, NULL);
364 "The optimization modes to use for the CPU. Possible values: ");
366 while (*(++p) != '\0');
367 for (i = 0; surf_optimization_mode_description[i].name; i++)
368 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
369 surf_optimization_mode_description[i].name);
371 ".\n (use 'help' as a value to see the long description of each optimization mode)");
372 default_value = xbt_strdup("Lazy");
373 xbt_cfg_register(&_surf_cfg_set, "cpu/optim", description, xbt_cfgelm_string,
374 &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
377 "The model to use for the storage. Possible values: ");
379 while (*(++p) != '\0');
380 for (i = 0; surf_storage_model_description[i].name; i++)
381 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
382 surf_storage_model_description[i].name);
384 ".\n (use 'help' as a value to see the long description of each model)");
385 default_value = xbt_strdup("default");
386 xbt_cfg_register(&_surf_cfg_set, "storage/model", description, xbt_cfgelm_string,
387 &default_value, 1, 1, &_surf_cfg_cb__storage_mode,
391 "The model to use for the network. Possible values: ");
393 while (*(++p) != '\0');
394 for (i = 0; surf_network_model_description[i].name; i++)
395 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
396 surf_network_model_description[i].name);
398 ".\n (use 'help' as a value to see the long description of each model)");
399 default_value = xbt_strdup("LV08");
400 xbt_cfg_register(&_surf_cfg_set, "network/model", description, xbt_cfgelm_string,
401 &default_value, 1, 1, &_surf_cfg_cb__network_model,
405 "The optimization modes to use for the network. Possible values: ");
407 while (*(++p) != '\0');
408 for (i = 0; surf_optimization_mode_description[i].name; i++)
409 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
410 surf_optimization_mode_description[i].name);
412 ".\n (use 'help' as a value to see the long description of each optimization mode)");
413 default_value = xbt_strdup("Lazy");
414 xbt_cfg_register(&_surf_cfg_set, "network/optim", description, xbt_cfgelm_string,
415 &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
418 "The model to use for the workstation. Possible values: ");
420 while (*(++p) != '\0');
421 for (i = 0; surf_workstation_model_description[i].name; i++)
422 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
423 surf_workstation_model_description[i].name);
425 ".\n (use 'help' as a value to see the long description of each model)");
426 default_value = xbt_strdup("default");
427 xbt_cfg_register(&_surf_cfg_set, "workstation/model", description, xbt_cfgelm_string,
428 &default_value, 1, 1,
429 &_surf_cfg_cb__workstation_model, NULL);
431 xbt_free(description);
433 xbt_cfg_register(&_surf_cfg_set, "network/TCP_gamma",
434 "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)",
435 xbt_cfgelm_double, NULL, 1, 1,
436 _surf_cfg_cb__tcp_gamma, NULL);
437 xbt_cfg_setdefault_double(_surf_cfg_set, "network/TCP_gamma", 20000.0);
439 xbt_cfg_register(&_surf_cfg_set, "maxmin/precision",
440 "Numerical precision used when updating simulation models (epsilon in double comparisons)",
441 xbt_cfgelm_double, NULL, 1, 1, _surf_cfg_cb__maxmin_precision, NULL);
442 xbt_cfg_setdefault_double(_surf_cfg_set, "maxmin/precision", 0.00001); // FIXME use setdefault everywhere here!
444 /* The parameters of network models */
446 double_default_value = 0.0;
447 xbt_cfg_register(&_surf_cfg_set, "network/sender_gap",
448 "Minimum gap between two overlapping sends",
449 xbt_cfgelm_double, &double_default_value, 1, 1,
450 _surf_cfg_cb__sender_gap, NULL);
452 double_default_value = 1.0;
453 xbt_cfg_register(&_surf_cfg_set, "network/latency_factor",
454 "Correction factor to apply to the provided latency (default value set by network model)",
455 xbt_cfgelm_double, &double_default_value, 1, 1,
456 _surf_cfg_cb__latency_factor, NULL);
457 double_default_value = 1.0;
458 xbt_cfg_register(&_surf_cfg_set, "network/bandwidth_factor",
459 "Correction factor to apply to the provided bandwidth (default value set by network model)",
460 xbt_cfgelm_double, &double_default_value, 1, 1,
461 _surf_cfg_cb__bandwidth_factor, NULL);
462 double_default_value = 0.0;
463 xbt_cfg_register(&_surf_cfg_set, "network/weight_S",
464 "Correction factor to apply to the weight of competing streams(default value set by network model)",
465 xbt_cfgelm_double, &double_default_value, 1, 1,
466 _surf_cfg_cb__weight_S, NULL);
469 xbt_cfg_register(&_surf_cfg_set, "path",
470 "Lookup path for inclusions in platform and deployment XML files",
471 xbt_cfgelm_string, NULL, 0, 0,
472 _surf_cfg_cb__surf_path, NULL);
474 default_value_int = 0;
475 xbt_cfg_register(&_surf_cfg_set, "cpu/maxmin_selective_update",
476 "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
477 xbt_cfgelm_int, &default_value_int, 0, 1,
479 default_value_int = 0;
480 xbt_cfg_register(&_surf_cfg_set, "network/maxmin_selective_update",
481 "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
482 xbt_cfgelm_int, &default_value_int, 0, 1,
486 default_value_int = 0;
487 xbt_cfg_register(&_surf_cfg_set, "model-check",
488 "Activate the model-checking of the \"simulated\" system (EXPERIMENTAL -- msg only for now)",
489 xbt_cfgelm_int, &default_value_int, 0, 1,
490 _surf_cfg_cb_model_check, NULL);
493 FIXME: this function is not setting model-check to it's default value because
494 internally it calls to variable->cb_set that in this case is the function
495 _surf_cfg_cb_model_check which sets it's value to 1 (instead of the default value 0)
496 xbt_cfg_set_int(_surf_cfg_set, "model-check", default_value_int); */
499 /* do stateful model-check */
500 default_value_int = 0;
501 xbt_cfg_register(&_surf_cfg_set, "mc-checkpoint",
502 "Activate the stateful model-checking of the \"simulated\" system (EXPERIMENTAL -- msg only for now), value corresponding to steps between each checkpoint",
503 xbt_cfgelm_int, &default_value_int, 0, 1,
504 _surf_cfg_cb_mc_checkpoint, NULL);
506 /* do verbose-exit */
507 default_value_int = 1;
508 xbt_cfg_register(&_surf_cfg_set, "verbose-exit",
509 "Activate the \"do nothing\" mode in Ctrl-C",
510 xbt_cfgelm_int, &default_value_int, 0, 1,
511 _surf_cfg_cb_verbose_exit, NULL);
514 /* context factory */
515 default_value = xbt_strdup("ucontext");
516 xbt_cfg_register(&_surf_cfg_set, "contexts/factory",
517 "Context factory to use in SIMIX (ucontext, thread or raw)",
518 xbt_cfgelm_string, &default_value, 1, 1, _surf_cfg_cb_context_factory, NULL);
520 /* stack size of contexts in Ko */
521 default_value_int = 128;
522 xbt_cfg_register(&_surf_cfg_set, "contexts/stack_size",
523 "Stack size of contexts in Kib (ucontext or raw only)",
524 xbt_cfgelm_int, &default_value_int, 1, 1,
525 _surf_cfg_cb_context_stack_size, NULL);
527 /* number of parallel threads for user processes */
528 default_value_int = 1;
529 xbt_cfg_register(&_surf_cfg_set, "contexts/nthreads",
530 "Number of parallel threads used to execute user contexts",
531 xbt_cfgelm_int, &default_value_int, 1, 1,
532 _surf_cfg_cb_contexts_nthreads, NULL);
534 /* minimal number of user contexts to be run in parallel */
535 default_value_int = 2;
536 xbt_cfg_register(&_surf_cfg_set, "contexts/parallel_threshold",
537 "Minimal number of user contexts to be run in parallel (raw contexts only)",
538 xbt_cfgelm_int, &default_value_int, 1, 1,
539 _surf_cfg_cb_contexts_parallel_threshold, NULL);
541 /* synchronization mode for parallel user contexts */
543 default_value = xbt_strdup("futex");
544 #else //No futex on mac and posix is unimplememted yet
545 default_value = xbt_strdup("busy_wait");
547 xbt_cfg_register(&_surf_cfg_set, "contexts/synchro",
548 "Synchronization mode to use when running contexts in parallel (either futex, posix or busy_wait)",
549 xbt_cfgelm_string, &default_value, 1, 1,
550 _surf_cfg_cb_contexts_parallel_mode, NULL);
552 /* number of parallel threads for Surf */
553 default_value_int = surf_get_nthreads();
554 xbt_cfg_register(&_surf_cfg_set, "surf/nthreads",
555 "Number of parallel threads used to update Surf models",
556 xbt_cfgelm_int, &default_value_int, 1, 1,
557 _surf_cfg_cb_surf_nthreads, NULL);
559 default_value = xbt_strdup("no");
560 xbt_cfg_register(&_surf_cfg_set, "network/coordinates",
561 "\"yes\" or \"no\", specifying whether we use a coordinate-based routing (as Vivaldi)",
562 xbt_cfgelm_string, &default_value, 1, 1,
563 _surf_cfg_cb__surf_network_coordinates, NULL);
564 xbt_cfg_setdefault_string(_surf_cfg_set, "network/coordinates", default_value);
566 default_value_int = 0;
567 xbt_cfg_register(&_surf_cfg_set, "network/crosstraffic",
568 "Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM02)",
569 xbt_cfgelm_int, &default_value_int, 0, 1,
570 _surf_cfg_cb__surf_network_crosstraffic, NULL);
571 xbt_cfg_setdefault_int(_surf_cfg_set, "network/crosstraffic", default_value_int);
574 xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter",
575 "Double value to oscillate the link latency, uniformly in random interval [-latency*gtnets_jitter,latency*gtnets_jitter)",
576 xbt_cfgelm_double, NULL, 1, 1,
577 _surf_cfg_cb__gtnets_jitter, NULL);
578 xbt_cfg_setdefault_double(_surf_cfg_set, "gtnets/jitter", 0.0);
580 default_value_int = 10;
581 xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter_seed",
582 "Use a positive seed to reproduce jitted results, value must be in [1,1e8], default is 10",
583 xbt_cfgelm_int, &default_value_int, 0, 1,
584 _surf_cfg_cb__gtnets_jitter_seed, NULL);
587 xbt_cfg_register(&_surf_cfg_set, "ns3/TcpModel",
588 "The ns3 tcp model can be : NewReno or Reno or Tahoe",
589 xbt_cfgelm_string, NULL, 1, 1,
591 xbt_cfg_setdefault_string(_surf_cfg_set, "ns3/TcpModel", "default");
595 double default_reference_speed = 20000.0;
596 xbt_cfg_register(&_surf_cfg_set, "smpi/running_power",
597 "Power of the host running the simulation (in flop/s). Used to bench the operations.",
598 xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL,
601 int default_display_timing = 0;
602 xbt_cfg_register(&_surf_cfg_set, "smpi/display_timing",
603 "Boolean indicating whether we should display the timing after simulation.",
604 xbt_cfgelm_int, &default_display_timing, 1, 1, NULL,
607 double default_threshold = 1e-6;
608 xbt_cfg_register(&_surf_cfg_set, "smpi/cpu_threshold",
609 "Minimal computation time (in seconds) not discarded.",
610 xbt_cfgelm_double, &default_threshold, 1, 1, NULL,
613 //For smpi/bw_factor and smpi/lat_factor
614 //Default value have to be "threshold0:value0;threshold1:value1;...;thresholdN:valueN"
615 //test is if( size >= thresholdN ) return valueN;
616 //Values can be modified with command line --cfg=smpi/bw_factor:"threshold0:value0;threshold1:value1;...;thresholdN:valueN"
617 // or with tag config put line <prop id="smpi/bw_factor" value="threshold0:value0;threshold1:value1;...;thresholdN:valueN"></prop>
618 xbt_cfg_register(&_surf_cfg_set, "smpi/bw_factor",
619 "Bandwidth factors for smpi.",
620 xbt_cfgelm_string, NULL, 1, 1, NULL,
622 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");
624 xbt_cfg_register(&_surf_cfg_set, "smpi/lat_factor",
625 "Latency factors for smpi.",
626 xbt_cfgelm_string, NULL, 1, 1, NULL,
628 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");
633 /* retrieves the current directory of the current process */
634 const char *initial_path = __surf_get_initial_path();
635 xbt_assert((initial_path),
636 "__surf_get_initial_path() failed! Can't resolves current Windows directory");
638 surf_path = xbt_dynar_new(sizeof(char *), NULL);
639 xbt_cfg_setdefault_string(_surf_cfg_set, "path", initial_path);
643 surf_config_cmd_line(argc, argv);
645 XBT_WARN("Call to surf_config_init() after initialization ignored");
649 void surf_config_finalize(void)
651 if (!_surf_init_status)
652 return; /* Not initialized yet. Nothing to do */
654 xbt_cfg_free(&_surf_cfg_set);
655 _surf_init_status = 0;
658 /* Pick the right models for CPU, net and workstation, and call their model_init_preparse */
659 void surf_config_models_setup()
661 char *workstation_model_name;
662 int workstation_id = -1;
663 char *network_model_name = NULL;
664 char *cpu_model_name = NULL;
666 char *storage_model_name = NULL;
668 workstation_model_name =
669 xbt_cfg_get_string(_surf_cfg_set, "workstation/model");
670 network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network/model");
671 cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu/model");
672 storage_model_name = xbt_cfg_get_string(_surf_cfg_set, "storage/model");
674 /* Check whether we use a net/cpu model differing from the default ones, in which case
675 * we should switch to the "compound" workstation model to correctly dispatch stuff to
676 * the right net/cpu models.
679 if((!xbt_cfg_is_default_value(_surf_cfg_set, "network/model") ||
680 !xbt_cfg_is_default_value(_surf_cfg_set, "cpu/model")) &&
681 xbt_cfg_is_default_value(_surf_cfg_set, "workstation/model"))
683 const char *val = "compound";
685 ("Switching workstation model to compound since you changed the network and/or cpu model(s)");
686 xbt_cfg_set_string(_surf_cfg_set, "workstation/model", val);
687 workstation_model_name = (char *) "compound";
690 XBT_DEBUG("Workstation model: %s", workstation_model_name);
692 find_model_description(surf_workstation_model_description,
693 workstation_model_name);
694 if (!strcmp(workstation_model_name, "compound")) {
698 xbt_assert(cpu_model_name,
699 "Set a cpu model to use with the 'compound' workstation model");
701 xbt_assert(network_model_name,
702 "Set a network model to use with the 'compound' workstation model");
705 find_model_description(surf_network_model_description,
708 find_model_description(surf_cpu_model_description, cpu_model_name);
710 surf_cpu_model_description[cpu_id].model_init_preparse();
711 surf_network_model_description[network_id].model_init_preparse();
714 XBT_DEBUG("Call workstation_model_init");
715 surf_workstation_model_description[workstation_id].model_init_preparse();
717 XBT_DEBUG("Call storage_model_init");
718 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
719 surf_storage_model_description[storage_id].model_init_preparse();