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) {
234 /* Tell modules using mallocators that they shouldn't. MC don't like them */
240 extern int _surf_do_verbose_exit;
242 static void _surf_cfg_cb_verbose_exit(const char *name, int pos)
244 _surf_do_verbose_exit = xbt_cfg_get_int(_surf_cfg_set, name);
248 static void _surf_cfg_cb_context_factory(const char *name, int pos)
250 smx_context_factory_name = xbt_cfg_get_string(_surf_cfg_set, name);
253 static void _surf_cfg_cb_context_stack_size(const char *name, int pos)
255 smx_context_stack_size = xbt_cfg_get_int(_surf_cfg_set, name) * 1024;
258 static void _surf_cfg_cb_contexts_nthreads(const char *name, int pos)
260 SIMIX_context_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
263 static void _surf_cfg_cb_contexts_parallel_threshold(const char *name, int pos)
265 SIMIX_context_set_parallel_threshold(xbt_cfg_get_int(_surf_cfg_set, name));
268 static void _surf_cfg_cb_contexts_parallel_mode(const char *name, int pos)
270 const char* mode_name = xbt_cfg_get_string(_surf_cfg_set, name);
271 if (!strcmp(mode_name, "posix")) {
272 SIMIX_context_set_parallel_mode(XBT_PARMAP_POSIX);
274 else if (!strcmp(mode_name, "futex")) {
275 SIMIX_context_set_parallel_mode(XBT_PARMAP_FUTEX);
277 else if (!strcmp(mode_name, "busy_wait")) {
278 SIMIX_context_set_parallel_mode(XBT_PARMAP_BUSY_WAIT);
281 xbt_die("Command line setting of the parallel synchronization mode should "
282 "be one of \"posix\", \"futex\" or \"busy_wait\"");
286 static void _surf_cfg_cb_surf_nthreads(const char *name, int pos)
288 surf_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
291 static void _surf_cfg_cb__surf_network_coordinates(const char *name,
294 char *val = xbt_cfg_get_string(_surf_cfg_set, name);
295 if (!strcmp(val, "yes")) {
296 if (!COORD_HOST_LEVEL) {
297 COORD_HOST_LEVEL = xbt_lib_add_level(host_lib,xbt_dynar_free_voidp);
298 COORD_ASR_LEVEL = xbt_lib_add_level(as_router_lib,xbt_dynar_free_voidp);
300 } else if (!strcmp(val, "no")) {
301 if (COORD_HOST_LEVEL)
302 xbt_die("Setting of whether to use coordinate cannot be disabled once set.");
304 xbt_die("Command line setting of whether to use coordinates must be either \"yes\" or \"no\"");
308 static void _surf_cfg_cb__surf_network_crosstraffic(const char *name,
311 sg_network_crosstraffic = xbt_cfg_get_int(_surf_cfg_set, name);
315 static void _surf_cfg_cb__gtnets_jitter(const char *name, int pos)
317 sg_gtnets_jitter = xbt_cfg_get_double(_surf_cfg_set, name);
320 static void _surf_cfg_cb__gtnets_jitter_seed(const char *name, int pos)
322 sg_gtnets_jitter_seed = xbt_cfg_get_int(_surf_cfg_set, name);
326 /* create the config set, register what should be and parse the command line*/
327 void surf_config_init(int *argc, char **argv)
329 char *description = xbt_malloc(1024), *p = description;
331 double double_default_value;
332 int default_value_int;
335 /* Create the configuration support */
336 if (_surf_init_status == 0) { /* Only create stuff if not already inited */
337 _surf_init_status = 1;
340 "The model to use for the CPU. Possible values: ");
342 while (*(++p) != '\0');
343 for (i = 0; surf_cpu_model_description[i].name; i++)
344 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
345 surf_cpu_model_description[i].name);
347 ".\n (use 'help' as a value to see the long description of each model)");
348 default_value = xbt_strdup("Cas01");
349 xbt_cfg_register(&_surf_cfg_set, "cpu/model", description, xbt_cfgelm_string,
350 &default_value, 1, 1, &_surf_cfg_cb__cpu_model, NULL);
353 "The optimization modes to use for the CPU. Possible values: ");
355 while (*(++p) != '\0');
356 for (i = 0; surf_optimization_mode_description[i].name; i++)
357 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
358 surf_optimization_mode_description[i].name);
360 ".\n (use 'help' as a value to see the long description of each optimization mode)");
361 default_value = xbt_strdup("Lazy");
362 xbt_cfg_register(&_surf_cfg_set, "cpu/optim", description, xbt_cfgelm_string,
363 &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
366 "The model to use for the storage. Possible values: ");
368 while (*(++p) != '\0');
369 for (i = 0; surf_storage_model_description[i].name; i++)
370 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
371 surf_storage_model_description[i].name);
373 ".\n (use 'help' as a value to see the long description of each model)");
374 default_value = xbt_strdup("default");
375 xbt_cfg_register(&_surf_cfg_set, "storage/model", description, xbt_cfgelm_string,
376 &default_value, 1, 1, &_surf_cfg_cb__storage_mode,
380 "The model to use for the network. Possible values: ");
382 while (*(++p) != '\0');
383 for (i = 0; surf_network_model_description[i].name; i++)
384 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
385 surf_network_model_description[i].name);
387 ".\n (use 'help' as a value to see the long description of each model)");
388 default_value = xbt_strdup("LV08");
389 xbt_cfg_register(&_surf_cfg_set, "network/model", description, xbt_cfgelm_string,
390 &default_value, 1, 1, &_surf_cfg_cb__network_model,
394 "The optimization modes to use for the network. Possible values: ");
396 while (*(++p) != '\0');
397 for (i = 0; surf_optimization_mode_description[i].name; i++)
398 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
399 surf_optimization_mode_description[i].name);
401 ".\n (use 'help' as a value to see the long description of each optimization mode)");
402 default_value = xbt_strdup("Lazy");
403 xbt_cfg_register(&_surf_cfg_set, "network/optim", description, xbt_cfgelm_string,
404 &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
407 "The model to use for the workstation. Possible values: ");
409 while (*(++p) != '\0');
410 for (i = 0; surf_workstation_model_description[i].name; i++)
411 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
412 surf_workstation_model_description[i].name);
414 ".\n (use 'help' as a value to see the long description of each model)");
415 default_value = xbt_strdup("default");
416 xbt_cfg_register(&_surf_cfg_set, "workstation/model", description, xbt_cfgelm_string,
417 &default_value, 1, 1,
418 &_surf_cfg_cb__workstation_model, NULL);
420 xbt_free(description);
422 xbt_cfg_register(&_surf_cfg_set, "network/TCP_gamma",
423 "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)",
424 xbt_cfgelm_double, NULL, 1, 1,
425 _surf_cfg_cb__tcp_gamma, NULL);
426 xbt_cfg_setdefault_double(_surf_cfg_set, "network/TCP_gamma", 20000.0);
428 xbt_cfg_register(&_surf_cfg_set, "maxmin/precision",
429 "Numerical precision used when updating simulation models (epsilon in double comparisons)",
430 xbt_cfgelm_double, NULL, 1, 1, _surf_cfg_cb__maxmin_precision, NULL);
431 xbt_cfg_setdefault_double(_surf_cfg_set, "maxmin/precision", 0.00001); // FIXME use setdefault everywhere here!
433 /* The parameters of network models */
435 double_default_value = 0.0;
436 xbt_cfg_register(&_surf_cfg_set, "network/sender_gap",
437 "Minimum gap between two overlapping sends",
438 xbt_cfgelm_double, &double_default_value, 1, 1,
439 _surf_cfg_cb__sender_gap, NULL);
441 double_default_value = 1.0;
442 xbt_cfg_register(&_surf_cfg_set, "network/latency_factor",
443 "Correction factor to apply to the provided latency (default value set by network model)",
444 xbt_cfgelm_double, &double_default_value, 1, 1,
445 _surf_cfg_cb__latency_factor, NULL);
446 double_default_value = 1.0;
447 xbt_cfg_register(&_surf_cfg_set, "network/bandwidth_factor",
448 "Correction factor to apply to the provided bandwidth (default value set by network model)",
449 xbt_cfgelm_double, &double_default_value, 1, 1,
450 _surf_cfg_cb__bandwidth_factor, NULL);
451 double_default_value = 0.0;
452 xbt_cfg_register(&_surf_cfg_set, "network/weight_S",
453 "Correction factor to apply to the weight of competing streams(default value set by network model)",
454 xbt_cfgelm_double, &double_default_value, 1, 1,
455 _surf_cfg_cb__weight_S, NULL);
458 xbt_cfg_register(&_surf_cfg_set, "path",
459 "Lookup path for inclusions in platform and deployment XML files",
460 xbt_cfgelm_string, NULL, 0, 0,
461 _surf_cfg_cb__surf_path, NULL);
463 default_value_int = 0;
464 xbt_cfg_register(&_surf_cfg_set, "cpu/maxmin_selective_update",
465 "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
466 xbt_cfgelm_int, &default_value_int, 0, 1,
468 default_value_int = 0;
469 xbt_cfg_register(&_surf_cfg_set, "network/maxmin_selective_update",
470 "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
471 xbt_cfgelm_int, &default_value_int, 0, 1,
475 default_value_int = 0;
476 xbt_cfg_register(&_surf_cfg_set, "model-check",
477 "Activate the model-checking of the \"simulated\" system (EXPERIMENTAL -- msg only for now)",
478 xbt_cfgelm_int, &default_value_int, 0, 1,
479 _surf_cfg_cb_model_check, NULL);
482 FIXME: this function is not setting model-check to it's default value because
483 internally it calls to variable->cb_set that in this case is the function
484 _surf_cfg_cb_model_check which sets it's value to 1 (instead of the default value 0)
485 xbt_cfg_set_int(_surf_cfg_set, "model-check", default_value_int); */
487 /* do verbose-exit */
488 default_value_int = 1;
489 xbt_cfg_register(&_surf_cfg_set, "verbose-exit",
490 "Activate the \"do nothing\" mode in Ctrl-C",
491 xbt_cfgelm_int, &default_value_int, 0, 1,
492 _surf_cfg_cb_verbose_exit, NULL);
495 /* context factory */
496 default_value = xbt_strdup("ucontext");
497 xbt_cfg_register(&_surf_cfg_set, "contexts/factory",
498 "Context factory to use in SIMIX (ucontext, thread or raw)",
499 xbt_cfgelm_string, &default_value, 1, 1, _surf_cfg_cb_context_factory, NULL);
501 /* stack size of contexts in Ko */
502 default_value_int = 128;
503 xbt_cfg_register(&_surf_cfg_set, "contexts/stack_size",
504 "Stack size of contexts in Kib (ucontext or raw only)",
505 xbt_cfgelm_int, &default_value_int, 1, 1,
506 _surf_cfg_cb_context_stack_size, NULL);
508 /* number of parallel threads for user processes */
509 default_value_int = 1;
510 xbt_cfg_register(&_surf_cfg_set, "contexts/nthreads",
511 "Number of parallel threads used to execute user contexts",
512 xbt_cfgelm_int, &default_value_int, 1, 1,
513 _surf_cfg_cb_contexts_nthreads, NULL);
515 /* minimal number of user contexts to be run in parallel */
516 default_value_int = 2;
517 xbt_cfg_register(&_surf_cfg_set, "contexts/parallel_threshold",
518 "Minimal number of user contexts to be run in parallel (raw contexts only)",
519 xbt_cfgelm_int, &default_value_int, 1, 1,
520 _surf_cfg_cb_contexts_parallel_threshold, NULL);
522 /* synchronization mode for parallel user contexts */
524 default_value = xbt_strdup("futex");
525 #else //No futex on mac and posix is unimplememted yet
526 default_value = xbt_strdup("busy_wait");
528 xbt_cfg_register(&_surf_cfg_set, "contexts/synchro",
529 "Synchronization mode to use when running contexts in parallel (either futex, posix or busy_wait)",
530 xbt_cfgelm_string, &default_value, 1, 1,
531 _surf_cfg_cb_contexts_parallel_mode, NULL);
533 /* number of parallel threads for Surf */
534 default_value_int = surf_get_nthreads();
535 xbt_cfg_register(&_surf_cfg_set, "surf/nthreads",
536 "Number of parallel threads used to update Surf models",
537 xbt_cfgelm_int, &default_value_int, 1, 1,
538 _surf_cfg_cb_surf_nthreads, NULL);
540 default_value = xbt_strdup("no");
541 xbt_cfg_register(&_surf_cfg_set, "network/coordinates",
542 "\"yes\" or \"no\", specifying whether we use a coordinate-based routing (as Vivaldi)",
543 xbt_cfgelm_string, &default_value, 1, 1,
544 _surf_cfg_cb__surf_network_coordinates, NULL);
545 xbt_cfg_setdefault_string(_surf_cfg_set, "network/coordinates", default_value);
547 default_value_int = 0;
548 xbt_cfg_register(&_surf_cfg_set, "network/crosstraffic",
549 "Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM02)",
550 xbt_cfgelm_int, &default_value_int, 0, 1,
551 _surf_cfg_cb__surf_network_crosstraffic, NULL);
552 xbt_cfg_setdefault_int(_surf_cfg_set, "network/crosstraffic", default_value_int);
555 xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter",
556 "Double value to oscillate the link latency, uniformly in random interval [-latency*gtnets_jitter,latency*gtnets_jitter)",
557 xbt_cfgelm_double, NULL, 1, 1,
558 _surf_cfg_cb__gtnets_jitter, NULL);
559 xbt_cfg_setdefault_double(_surf_cfg_set, "gtnets/jitter", 0.0);
561 default_value_int = 10;
562 xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter_seed",
563 "Use a positive seed to reproduce jitted results, value must be in [1,1e8], default is 10",
564 xbt_cfgelm_int, &default_value_int, 0, 1,
565 _surf_cfg_cb__gtnets_jitter_seed, NULL);
568 xbt_cfg_register(&_surf_cfg_set, "ns3/TcpModel",
569 "The ns3 tcp model can be : NewReno or Reno or Tahoe",
570 xbt_cfgelm_string, NULL, 1, 1,
572 xbt_cfg_setdefault_string(_surf_cfg_set, "ns3/TcpModel", "default");
576 double default_reference_speed = 20000.0;
577 xbt_cfg_register(&_surf_cfg_set, "smpi/running_power",
578 "Power of the host running the simulation (in flop/s). Used to bench the operations.",
579 xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL,
582 int default_display_timing = 0;
583 xbt_cfg_register(&_surf_cfg_set, "smpi/display_timing",
584 "Boolean indicating whether we should display the timing after simulation.",
585 xbt_cfgelm_int, &default_display_timing, 1, 1, NULL,
588 double default_threshold = 1e-6;
589 xbt_cfg_register(&_surf_cfg_set, "smpi/cpu_threshold",
590 "Minimal computation time (in seconds) not discarded.",
591 xbt_cfgelm_double, &default_threshold, 1, 1, NULL,
594 //For smpi/bw_factor and smpi/lat_factor
595 //Default value have to be "threshold0:value0;threshold1:value1;...;thresholdN:valueN"
596 //test is if( size >= thresholdN ) return valueN;
597 //Values can be modified with command line --cfg=smpi/bw_factor:"threshold0:value0;threshold1:value1;...;thresholdN:valueN"
598 // or with tag config put line <prop id="smpi/bw_factor" value="threshold0:value0;threshold1:value1;...;thresholdN:valueN"></prop>
599 xbt_cfg_register(&_surf_cfg_set, "smpi/bw_factor",
600 "Bandwidth factors for smpi.",
601 xbt_cfgelm_string, NULL, 1, 1, NULL,
603 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");
605 xbt_cfg_register(&_surf_cfg_set, "smpi/lat_factor",
606 "Latency factors for smpi.",
607 xbt_cfgelm_string, NULL, 1, 1, NULL,
609 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");
614 /* retrieves the current directory of the current process */
615 const char *initial_path = __surf_get_initial_path();
616 xbt_assert((initial_path),
617 "__surf_get_initial_path() failed! Can't resolves current Windows directory");
619 surf_path = xbt_dynar_new(sizeof(char *), NULL);
620 xbt_cfg_setdefault_string(_surf_cfg_set, "path", initial_path);
624 surf_config_cmd_line(argc, argv);
626 XBT_WARN("Call to surf_config_init() after initialization ignored");
630 void surf_config_finalize(void)
632 if (!_surf_init_status)
633 return; /* Not initialized yet. Nothing to do */
635 xbt_cfg_free(&_surf_cfg_set);
636 _surf_init_status = 0;
639 /* Pick the right models for CPU, net and workstation, and call their model_init_preparse */
640 void surf_config_models_setup()
642 char *workstation_model_name;
643 int workstation_id = -1;
644 char *network_model_name = NULL;
645 char *cpu_model_name = NULL;
647 char *storage_model_name = NULL;
649 workstation_model_name =
650 xbt_cfg_get_string(_surf_cfg_set, "workstation/model");
651 network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network/model");
652 cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu/model");
653 storage_model_name = xbt_cfg_get_string(_surf_cfg_set, "storage/model");
655 /* Check whether we use a net/cpu model differing from the default ones, in which case
656 * we should switch to the "compound" workstation model to correctly dispatch stuff to
657 * the right net/cpu models.
660 if((!xbt_cfg_is_default_value(_surf_cfg_set, "network/model") ||
661 !xbt_cfg_is_default_value(_surf_cfg_set, "cpu/model")) &&
662 xbt_cfg_is_default_value(_surf_cfg_set, "workstation/model"))
664 const char *val = "compound";
666 ("Switching workstation model to compound since you changed the network and/or cpu model(s)");
667 xbt_cfg_set_string(_surf_cfg_set, "workstation/model", val);
668 workstation_model_name = (char *) "compound";
671 XBT_DEBUG("Workstation model: %s", workstation_model_name);
673 find_model_description(surf_workstation_model_description,
674 workstation_model_name);
675 if (!strcmp(workstation_model_name, "compound")) {
679 xbt_assert(cpu_model_name,
680 "Set a cpu model to use with the 'compound' workstation model");
682 xbt_assert(network_model_name,
683 "Set a network model to use with the 'compound' workstation model");
686 find_model_description(surf_network_model_description,
689 find_model_description(surf_cpu_model_description, cpu_model_name);
691 surf_cpu_model_description[cpu_id].model_init_preparse();
692 surf_network_model_description[network_id].model_init_preparse();
695 XBT_DEBUG("Call workstation_model_init");
696 surf_workstation_model_description[workstation_id].model_init_preparse();
698 XBT_DEBUG("Call storage_model_init");
699 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
700 surf_storage_model_description[storage_id].model_init_preparse();