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 /* Parse the command line, looking for options */
21 static void surf_config_cmd_line(int *argc, char **argv)
26 for (i = 1; i < *argc; i++) {
28 if (!strncmp(argv[i], "--cfg=", strlen("--cfg="))) {
29 opt = strchr(argv[i], '=');
32 xbt_cfg_set_parse(_surf_cfg_set, opt);
33 XBT_DEBUG("Did apply '%s' as config setting", opt);
35 } else if (!strncmp(argv[i], "--cfg-help", strlen("--cfg-help") + 1) ||
36 !strncmp(argv[i], "--help", strlen("--help") + 1)) {
38 ("Description of the configuration accepted by this simulator:\n");
39 xbt_cfg_help(_surf_cfg_set);
40 printf("\nYou can also use --help-models to see the details of all models known by this simulator.\n");
42 printf("\nYou can also use --help-tracing to see the details of all tracing options known by this simulator.\n");
45 } else if (!strncmp(argv[i], "--help-models", strlen("--help-models") + 1)) {
46 model_help("workstation", surf_workstation_model_description);
48 model_help("CPU", surf_cpu_model_description);
50 model_help("network", surf_network_model_description);
51 printf("\nLong description of all optimization levels accepted by the models of this simulator:\n");
52 for (i = 0; surf_optimization_mode_description[i].name; i++)
53 printf(" %s: %s\n", surf_optimization_mode_description[i].name, surf_optimization_mode_description[i].description);
54 printf("Both network and CPU models have 'Lazy' as default optimization level\n");
57 } else if (!strncmp(argv[i], "--help-tracing", strlen("--help-tracing") + 1)) {
62 if (remove_it) { /*remove this from argv */
63 for (j = i + 1; j < *argc; j++) {
64 argv[j - 1] = argv[j];
69 i--; /* compensate effect of next loop incrementation */
75 int _surf_init_status = 0; /* 0: beginning of time;
76 1: pre-inited (cfg_set created);
77 2: inited (running) */
79 /* callback of the workstation/model variable */
80 static void _surf_cfg_cb__workstation_model(const char *name, int pos)
84 xbt_assert(_surf_init_status < 2,
85 "Cannot change the model after the initialization");
87 val = xbt_cfg_get_string(_surf_cfg_set, name);
89 if (!strcmp(val, "help")) {
90 model_help("workstation", surf_workstation_model_description);
94 /* Make sure that the model exists */
95 find_model_description(surf_workstation_model_description, val);
98 /* callback of the cpu/model variable */
99 static void _surf_cfg_cb__cpu_model(const char *name, int pos)
103 xbt_assert(_surf_init_status < 2,
104 "Cannot change the model after the initialization");
106 val = xbt_cfg_get_string(_surf_cfg_set, name);
108 if (!strcmp(val, "help")) {
109 model_help("CPU", surf_cpu_model_description);
113 /* New Module missing */
114 find_model_description(surf_cpu_model_description, val);
117 /* callback of the cpu/model variable */
118 static void _surf_cfg_cb__optimization_mode(const char *name, int pos)
122 xbt_assert(_surf_init_status < 2,
123 "Cannot change the model after the initialization");
125 val = xbt_cfg_get_string(_surf_cfg_set, name);
127 if (!strcmp(val, "help")) {
128 model_help("optimization", surf_optimization_mode_description);
132 /* New Module missing */
133 find_model_description(surf_optimization_mode_description, val);
136 /* callback of the workstation_model variable */
137 static void _surf_cfg_cb__network_model(const char *name, int pos)
141 xbt_assert(_surf_init_status < 2,
142 "Cannot change the model after the initialization");
144 val = xbt_cfg_get_string(_surf_cfg_set, name);
146 if (!strcmp(val, "help")) {
147 model_help("network", surf_network_model_description);
151 /* New Module missing */
152 find_model_description(surf_network_model_description, val);
156 /* callbacks of the network models values */
157 static void _surf_cfg_cb__tcp_gamma(const char *name, int pos)
159 sg_tcp_gamma = xbt_cfg_get_double(_surf_cfg_set, name);
162 static void _surf_cfg_cb__maxmin_precision(const char* name, int pos)
164 sg_maxmin_precision = xbt_cfg_get_double(_surf_cfg_set, name);
167 static void _surf_cfg_cb__sender_gap(const char* name, int pos)
169 sg_sender_gap = xbt_cfg_get_double(_surf_cfg_set, name);
172 static void _surf_cfg_cb__latency_factor(const char *name, int pos)
174 sg_latency_factor = xbt_cfg_get_double(_surf_cfg_set, name);
177 static void _surf_cfg_cb__bandwidth_factor(const char *name, int pos)
179 sg_bandwidth_factor = xbt_cfg_get_double(_surf_cfg_set, name);
182 static void _surf_cfg_cb__weight_S(const char *name, int pos)
184 sg_weight_S_parameter = xbt_cfg_get_double(_surf_cfg_set, name);
187 /* callback of the inclusion path */
188 static void _surf_cfg_cb__surf_path(const char *name, int pos)
190 char *path = xbt_cfg_get_string_at(_surf_cfg_set, name, pos);
191 xbt_dynar_push(surf_path, &path);
194 /* callback to decide if we want to use the model-checking */
195 #include "xbt_modinter.h"
196 extern int _surf_do_model_check; /* this variable lives in xbt_main until I find a right location for it */
198 static void _surf_cfg_cb_model_check(const char *name, int pos)
200 _surf_do_model_check = xbt_cfg_get_int(_surf_cfg_set, name);
202 if (_surf_do_model_check) {
203 /* Tell modules using mallocators that they shouldn't. MC don't like them */
209 extern int _surf_do_verbose_exit;
211 static void _surf_cfg_cb_verbose_exit(const char *name, int pos)
213 _surf_do_verbose_exit = xbt_cfg_get_int(_surf_cfg_set, name);
217 static void _surf_cfg_cb_context_factory(const char *name, int pos)
219 smx_context_factory_name = xbt_cfg_get_string(_surf_cfg_set, name);
222 static void _surf_cfg_cb_context_stack_size(const char *name, int pos)
224 smx_context_stack_size = xbt_cfg_get_int(_surf_cfg_set, name) * 1024;
227 static void _surf_cfg_cb_contexts_nthreads(const char *name, int pos)
229 SIMIX_context_set_nthreads(xbt_cfg_get_string(_surf_cfg_set, name));
232 static void _surf_cfg_cb_contexts_parallel_threshold(const char *name, int pos)
234 SIMIX_context_set_parallel_threshold(xbt_cfg_get_int(_surf_cfg_set, name));
237 static void _surf_cfg_cb_contexts_parallel_mode(const char *name, int pos)
239 const char* mode_name = xbt_cfg_get_string(_surf_cfg_set, name);
240 if (!strcmp(mode_name, "posix")) {
241 SIMIX_context_set_parallel_mode(XBT_PARMAP_POSIX);
243 else if (!strcmp(mode_name, "futex")) {
244 SIMIX_context_set_parallel_mode(XBT_PARMAP_FUTEX);
246 else if (!strcmp(mode_name, "busy_wait")) {
247 SIMIX_context_set_parallel_mode(XBT_PARMAP_BUSY_WAIT);
250 XBT_WARN("Command line setting of the parallel synchronization mode should "
251 "be one of \"posix\", \"futex\" or \"busy_wait\"");
255 static void _surf_cfg_cb_surf_nthreads(const char *name, int pos)
257 surf_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
260 static void _surf_cfg_cb__surf_network_coordinates(const char *name,
263 char *val = xbt_cfg_get_string(_surf_cfg_set, name);
264 if (!strcmp(val, "yes")) {
265 if (!COORD_HOST_LEVEL) {
266 COORD_HOST_LEVEL = xbt_lib_add_level(host_lib,xbt_dynar_free_voidp);
267 COORD_ASR_LEVEL = xbt_lib_add_level(as_router_lib,xbt_dynar_free_voidp);
269 } else if (!strcmp(val, "no")) {
270 if (COORD_HOST_LEVEL)
271 xbt_die("Setting of whether to use coordinate cannot be disabled once set.");
273 xbt_die("Command line setting of whether to use coordinates must be either \"yes\" or \"no\"");
277 static void _surf_cfg_cb__surf_network_crosstraffic(const char *name,
280 sg_network_crosstraffic = xbt_cfg_get_int(_surf_cfg_set, name);
284 static void _surf_cfg_cb__gtnets_jitter(const char *name, int pos)
286 sg_gtnets_jitter = xbt_cfg_get_double(_surf_cfg_set, name);
289 static void _surf_cfg_cb__gtnets_jitter_seed(const char *name, int pos)
291 sg_gtnets_jitter_seed = xbt_cfg_get_int(_surf_cfg_set, name);
295 /* create the config set, register what should be and parse the command line*/
296 void surf_config_init(int *argc, char **argv)
298 char *description = xbt_malloc(1024), *p = description;
300 double double_default_value;
301 int default_value_int;
304 /* Create the configuration support */
305 if (_surf_init_status == 0) { /* Only create stuff if not already inited */
306 _surf_init_status = 1;
309 "The model to use for the CPU. Possible values: ");
311 while (*(++p) != '\0');
312 for (i = 0; surf_cpu_model_description[i].name; i++)
313 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
314 surf_cpu_model_description[i].name);
316 ".\n (use 'help' as a value to see the long description of each model)");
317 default_value = xbt_strdup("Cas01");
318 xbt_cfg_register(&_surf_cfg_set, "cpu/model", description, xbt_cfgelm_string,
319 &default_value, 1, 1, &_surf_cfg_cb__cpu_model, NULL);
322 "The optimization modes to use for the CPU. Possible values: ");
324 while (*(++p) != '\0');
325 for (i = 0; surf_optimization_mode_description[i].name; i++)
326 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
327 surf_optimization_mode_description[i].name);
329 ".\n (use 'help' as a value to see the long description of each optimization mode)");
330 default_value = xbt_strdup("Lazy");
331 xbt_cfg_register(&_surf_cfg_set, "cpu/optim", description, xbt_cfgelm_string,
332 &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
335 "The model to use for the network. Possible values: ");
337 while (*(++p) != '\0');
338 for (i = 0; surf_network_model_description[i].name; i++)
339 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
340 surf_network_model_description[i].name);
342 ".\n (use 'help' as a value to see the long description of each model)");
343 default_value = xbt_strdup("LV08");
344 xbt_cfg_register(&_surf_cfg_set, "network/model", description, xbt_cfgelm_string,
345 &default_value, 1, 1, &_surf_cfg_cb__network_model,
349 "The optimization modes to use for the network. Possible values: ");
351 while (*(++p) != '\0');
352 for (i = 0; surf_optimization_mode_description[i].name; i++)
353 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
354 surf_optimization_mode_description[i].name);
356 ".\n (use 'help' as a value to see the long description of each optimization mode)");
357 default_value = xbt_strdup("Lazy");
358 xbt_cfg_register(&_surf_cfg_set, "network/optim", description, xbt_cfgelm_string,
359 &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
362 "The model to use for the workstation. Possible values: ");
364 while (*(++p) != '\0');
365 for (i = 0; surf_workstation_model_description[i].name; i++)
366 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
367 surf_workstation_model_description[i].name);
369 ".\n (use 'help' as a value to see the long description of each model)");
370 default_value = xbt_strdup("default");
371 xbt_cfg_register(&_surf_cfg_set, "workstation/model", description, xbt_cfgelm_string,
372 &default_value, 1, 1,
373 &_surf_cfg_cb__workstation_model, NULL);
375 xbt_free(description);
377 xbt_cfg_register(&_surf_cfg_set, "network/TCP_gamma",
378 "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)",
379 xbt_cfgelm_double, NULL, 1, 1,
380 _surf_cfg_cb__tcp_gamma, NULL);
381 xbt_cfg_setdefault_double(_surf_cfg_set, "network/TCP_gamma", 20000.0);
383 xbt_cfg_register(&_surf_cfg_set, "maxmin/precision",
384 "Numerical precision used when updating simulation models (epsilon in double comparisons)",
385 xbt_cfgelm_double, NULL, 1, 1, _surf_cfg_cb__maxmin_precision, NULL);
386 xbt_cfg_setdefault_double(_surf_cfg_set, "maxmin/precision", 0.00001); // FIXME use setdefault everywhere here!
388 /* The parameters of network models */
390 double_default_value = 0.0;
391 xbt_cfg_register(&_surf_cfg_set, "network/sender_gap",
392 "Minimum gap between two overlapping sends",
393 xbt_cfgelm_double, &double_default_value, 1, 1,
394 _surf_cfg_cb__sender_gap, NULL);
396 double_default_value = 1.0;
397 xbt_cfg_register(&_surf_cfg_set, "network/latency_factor",
398 "Correction factor to apply to the provided latency (default value set by network model)",
399 xbt_cfgelm_double, &double_default_value, 1, 1,
400 _surf_cfg_cb__latency_factor, NULL);
401 double_default_value = 1.0;
402 xbt_cfg_register(&_surf_cfg_set, "network/bandwidth_factor",
403 "Correction factor to apply to the provided bandwidth (default value set by network model)",
404 xbt_cfgelm_double, &double_default_value, 1, 1,
405 _surf_cfg_cb__bandwidth_factor, NULL);
406 double_default_value = 0.0;
407 xbt_cfg_register(&_surf_cfg_set, "network/weight_S",
408 "Correction factor to apply to the weight of competing streams(default value set by network model)",
409 xbt_cfgelm_double, &double_default_value, 1, 1,
410 _surf_cfg_cb__weight_S, NULL);
413 xbt_cfg_register(&_surf_cfg_set, "path",
414 "Lookup path for inclusions in platform and deployment XML files",
415 xbt_cfgelm_string, NULL, 0, 0,
416 _surf_cfg_cb__surf_path, NULL);
418 default_value_int = 0;
419 xbt_cfg_register(&_surf_cfg_set, "cpu/maxmin_selective_update",
420 "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
421 xbt_cfgelm_int, &default_value_int, 0, 1,
423 default_value_int = 0;
424 xbt_cfg_register(&_surf_cfg_set, "network/maxmin_selective_update",
425 "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
426 xbt_cfgelm_int, &default_value_int, 0, 1,
430 default_value_int = 0;
431 xbt_cfg_register(&_surf_cfg_set, "model-check",
432 "Activate the model-checking of the \"simulated\" system (EXPERIMENTAL -- msg only for now)",
433 xbt_cfgelm_int, &default_value_int, 0, 1,
434 _surf_cfg_cb_model_check, NULL);
437 FIXME: this function is not setting model-check to it's default value because
438 internally it calls to variable->cb_set that in this case is the function
439 _surf_cfg_cb_model_check which sets it's value to 1 (instead of the default value 0)
440 xbt_cfg_set_int(_surf_cfg_set, "model-check", default_value_int); */
442 /* do verbose-exit */
443 default_value_int = 1;
444 xbt_cfg_register(&_surf_cfg_set, "verbose-exit",
445 "Activate the \"do nothing\" mode in Ctrl-C",
446 xbt_cfgelm_int, &default_value_int, 0, 1,
447 _surf_cfg_cb_verbose_exit, NULL);
450 /* context factory */
451 default_value = xbt_strdup("ucontext");
452 xbt_cfg_register(&_surf_cfg_set, "contexts/factory",
453 "Context factory to use in SIMIX (ucontext, thread or raw)",
454 xbt_cfgelm_string, &default_value, 1, 1, _surf_cfg_cb_context_factory, NULL);
456 /* stack size of contexts in Ko */
457 default_value_int = 128;
458 xbt_cfg_register(&_surf_cfg_set, "contexts/stack_size",
459 "Stack size of contexts in Kib (ucontext or raw only)",
460 xbt_cfgelm_int, &default_value_int, 1, 1,
461 _surf_cfg_cb_context_stack_size, NULL);
463 /* number of parallel threads for user processes */
464 default_value = xbt_strdup("1");
465 xbt_cfg_register(&_surf_cfg_set, "contexts/nthreads",
466 "Number of parallel threads used to execute user contexts",
467 xbt_cfgelm_string, &default_value, 1, 1,
468 _surf_cfg_cb_contexts_nthreads, NULL);
470 /* minimal number of user contexts to be run in parallel */
471 default_value_int = 2;
472 xbt_cfg_register(&_surf_cfg_set, "contexts/parallel_threshold",
473 "Minimal number of user contexts to be run in parallel (raw contexts only)",
474 xbt_cfgelm_int, &default_value_int, 1, 1,
475 _surf_cfg_cb_contexts_parallel_threshold, NULL);
477 /* synchronization mode for parallel user contexts */
479 default_value = xbt_strdup("futex");
480 #else //No futex on mac and posix is unimplememted yet
481 default_value = xbt_strdup("busy_wait");
483 xbt_cfg_register(&_surf_cfg_set, "contexts/synchro",
484 "Synchronization mode to use when running contexts in parallel (either futex, posix or busy_wait)",
485 xbt_cfgelm_string, &default_value, 1, 1,
486 _surf_cfg_cb_contexts_parallel_mode, NULL);
488 /* number of parallel threads for Surf */
489 default_value_int = surf_get_nthreads();
490 xbt_cfg_register(&_surf_cfg_set, "surf/nthreads",
491 "Number of parallel threads used to update Surf models",
492 xbt_cfgelm_int, &default_value_int, 1, 1,
493 _surf_cfg_cb_surf_nthreads, NULL);
495 default_value = xbt_strdup("no");
496 xbt_cfg_register(&_surf_cfg_set, "network/coordinates",
497 "\"yes\" or \"no\", specifying whether we use a coordinate-based routing (as Vivaldi)",
498 xbt_cfgelm_string, &default_value, 1, 1,
499 _surf_cfg_cb__surf_network_coordinates, NULL);
500 xbt_cfg_setdefault_string(_surf_cfg_set, "network/coordinates", default_value);
502 default_value_int = 0;
503 xbt_cfg_register(&_surf_cfg_set, "network/crosstraffic",
504 "Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM02)",
505 xbt_cfgelm_int, &default_value_int, 0, 1,
506 _surf_cfg_cb__surf_network_crosstraffic, NULL);
507 xbt_cfg_setdefault_int(_surf_cfg_set, "network/crosstraffic", default_value_int);
510 xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter",
511 "Double value to oscillate the link latency, uniformly in random interval [-latency*gtnets_jitter,latency*gtnets_jitter)",
512 xbt_cfgelm_double, NULL, 1, 1,
513 _surf_cfg_cb__gtnets_jitter, NULL);
514 xbt_cfg_setdefault_double(_surf_cfg_set, "gtnets_jitter", 0.0);
516 default_value_int = 10;
517 xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter_seed",
518 "Use a positive seed to reproduce jitted results, value must be in [1,1e8], default is 10",
519 xbt_cfgelm_int, &default_value_int, 0, 1,
520 _surf_cfg_cb__gtnets_jitter_seed, NULL);
523 xbt_cfg_register(&_surf_cfg_set, "ns3/TcpModel",
524 "The ns3 tcp model can be : NewReno or Reno or Tahoe",
525 xbt_cfgelm_string, NULL, 1, 1,
527 xbt_cfg_setdefault_string(_surf_cfg_set, "ns3/TcpModel", "default");
531 double default_reference_speed = 20000.0;
532 xbt_cfg_register(&_surf_cfg_set, "smpi/running_power",
533 "Power of the host running the simulation (in flop/s). Used to bench the operations.",
534 xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL,
537 int default_display_timing = 0;
538 xbt_cfg_register(&_surf_cfg_set, "smpi/display_timing",
539 "Boolean indicating whether we should display the timing after simulation.",
540 xbt_cfgelm_int, &default_display_timing, 1, 1, NULL,
543 double default_threshold = 1e-6;
544 xbt_cfg_register(&_surf_cfg_set, "smpi/cpu_threshold",
545 "Minimal computation time (in seconds) not discarded.",
546 xbt_cfgelm_double, &default_threshold, 1, 1, NULL,
549 //For smpi/bw_factor and smpi/lat_factor
550 //Default value have to be "threshold0:value0;threshold1:value1;...;thresholdN:valueN"
551 //test is if( size >= thresholdN ) return valueN;
552 //Values can be modified with command line --cfg=smpi/bw_factor:"threshold0:value0;threshold1:value1;...;thresholdN:valueN"
553 // or with tag config put line <prop id="smpi/bw_factor" value="threshold0:value0;threshold1:value1;...;thresholdN:valueN"></prop>
554 xbt_cfg_register(&_surf_cfg_set, "smpi/bw_factor",
555 "Bandwidth factors for smpi.",
556 xbt_cfgelm_string, NULL, 1, 1, NULL,
558 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");
560 xbt_cfg_register(&_surf_cfg_set, "smpi/lat_factor",
561 "Latency factors for smpi.",
562 xbt_cfgelm_string, NULL, 1, 1, NULL,
564 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");
569 /* retrieves the current directory of the current process */
570 const char *initial_path = __surf_get_initial_path();
571 xbt_assert((initial_path),
572 "__surf_get_initial_path() failed! Can't resolves current Windows directory");
574 surf_path = xbt_dynar_new(sizeof(char *), NULL);
575 xbt_cfg_setdefault_string(_surf_cfg_set, "path", initial_path);
579 surf_config_cmd_line(argc, argv);
581 XBT_WARN("Call to surf_config_init() after initialization ignored");
585 void surf_config_finalize(void)
587 if (!_surf_init_status)
588 return; /* Not initialized yet. Nothing to do */
590 xbt_cfg_free(&_surf_cfg_set);
591 _surf_init_status = 0;
594 /* Pick the right models for CPU, net and workstation, and call their model_init_preparse */
595 void surf_config_models_setup()
597 char *workstation_model_name;
598 int workstation_id = -1;
599 char *network_model_name = NULL;
600 char *cpu_model_name = NULL;
602 workstation_model_name =
603 xbt_cfg_get_string(_surf_cfg_set, "workstation/model");
604 network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network/model");
605 cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu/model");
607 /* Check whether we use a net/cpu model differing from the default ones, in which case
608 * we should switch to the "compound" workstation model to correctly dispatch stuff to
609 * the right net/cpu models.
612 if((!xbt_cfg_is_default_value(_surf_cfg_set, "network/model") ||
613 !xbt_cfg_is_default_value(_surf_cfg_set, "cpu/model")) &&
614 xbt_cfg_is_default_value(_surf_cfg_set, "workstation/model"))
616 const char *val = "compound";
618 ("Switching workstation model to compound since you changed the network and/or cpu model(s)");
619 xbt_cfg_set_string(_surf_cfg_set, "workstation/model", val);
620 workstation_model_name = (char *) "compound";
623 XBT_DEBUG("Workstation model: %s", workstation_model_name);
625 find_model_description(surf_workstation_model_description,
626 workstation_model_name);
627 if (!strcmp(workstation_model_name, "compound")) {
631 xbt_assert(cpu_model_name,
632 "Set a cpu model to use with the 'compound' workstation model");
634 xbt_assert(network_model_name,
635 "Set a network model to use with the 'compound' workstation model");
638 find_model_description(surf_network_model_description,
641 find_model_description(surf_cpu_model_description, cpu_model_name);
643 surf_cpu_model_description[cpu_id].model_init_preparse();
644 surf_network_model_description[network_id].model_init_preparse();
647 XBT_DEBUG("Call workstation_model_init");
648 surf_workstation_model_description[workstation_id].model_init_preparse();