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 */
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)
27 for (j = 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);
34 } else if (!strcmp(argv[i], "--cfg-help") || !strcmp(argv[i], "--help")) {
36 ("Description of the configuration accepted by this simulator:\n");
37 xbt_cfg_help(_surf_cfg_set);
40 "You can also use --help-models to see the details of all models known by this simulator.\n"
43 "You can also use --help-tracing to see the details of all tracing options known by this simulator.\n"
46 "You can also use --help-logs and --help-log-categories to see the details of logging output.\n"
50 } else if (!strcmp(argv[i], "--help-models")) {
53 model_help("workstation", surf_workstation_model_description);
55 model_help("CPU", surf_cpu_model_description);
57 model_help("network", surf_network_model_description);
58 printf("\nLong description of all optimization levels accepted by the models of this simulator:\n");
59 for (k = 0; surf_optimization_mode_description[k].name; k++)
61 surf_optimization_mode_description[k].name,
62 surf_optimization_mode_description[k].description);
63 printf("Both network and CPU models have 'Lazy' as default optimization level\n\n");
66 } else if (!strcmp(argv[i], "--help-tracing")) {
83 int _surf_init_status = 0; /* 0: beginning of time;
84 1: pre-inited (cfg_set created);
85 2: inited (running) */
87 /* callback of the workstation/model variable */
88 static void _surf_cfg_cb__workstation_model(const char *name, int pos)
92 xbt_assert(_surf_init_status < 2,
93 "Cannot change the model after the initialization");
95 val = xbt_cfg_get_string(_surf_cfg_set, name);
97 if (!strcmp(val, "help")) {
98 model_help("workstation", surf_workstation_model_description);
102 /* Make sure that the model exists */
103 find_model_description(surf_workstation_model_description, val);
106 /* callback of the cpu/model variable */
107 static void _surf_cfg_cb__cpu_model(const char *name, int pos)
111 xbt_assert(_surf_init_status < 2,
112 "Cannot change the model after the initialization");
114 val = xbt_cfg_get_string(_surf_cfg_set, name);
116 if (!strcmp(val, "help")) {
117 model_help("CPU", surf_cpu_model_description);
121 /* New Module missing */
122 find_model_description(surf_cpu_model_description, val);
125 /* callback of the cpu/model variable */
126 static void _surf_cfg_cb__optimization_mode(const char *name, int pos)
130 xbt_assert(_surf_init_status < 2,
131 "Cannot change the model after the initialization");
133 val = xbt_cfg_get_string(_surf_cfg_set, name);
135 if (!strcmp(val, "help")) {
136 model_help("optimization", surf_optimization_mode_description);
140 /* New Module missing */
141 find_model_description(surf_optimization_mode_description, val);
144 /* callback of the cpu/model variable */
145 static void _surf_cfg_cb__storage_mode(const char *name, int pos)
149 xbt_assert(_surf_init_status < 2,
150 "Cannot change the model after the initialization");
152 val = xbt_cfg_get_string(_surf_cfg_set, name);
154 if (!strcmp(val, "help")) {
155 model_help("storage", surf_storage_model_description);
159 /* New Module missing */
160 find_model_description(surf_storage_model_description, val);
163 /* callback of the workstation_model variable */
164 static void _surf_cfg_cb__network_model(const char *name, int pos)
168 xbt_assert(_surf_init_status < 2,
169 "Cannot change the model after the initialization");
171 val = xbt_cfg_get_string(_surf_cfg_set, name);
173 if (!strcmp(val, "help")) {
174 model_help("network", surf_network_model_description);
178 /* New Module missing */
179 find_model_description(surf_network_model_description, val);
183 /* callbacks of the network models values */
184 static void _surf_cfg_cb__tcp_gamma(const char *name, int pos)
186 sg_tcp_gamma = xbt_cfg_get_double(_surf_cfg_set, name);
189 static void _surf_cfg_cb__maxmin_precision(const char* name, int pos)
191 sg_maxmin_precision = xbt_cfg_get_double(_surf_cfg_set, name);
194 static void _surf_cfg_cb__sender_gap(const char* name, int pos)
196 sg_sender_gap = xbt_cfg_get_double(_surf_cfg_set, name);
199 static void _surf_cfg_cb__latency_factor(const char *name, int pos)
201 sg_latency_factor = xbt_cfg_get_double(_surf_cfg_set, name);
204 static void _surf_cfg_cb__bandwidth_factor(const char *name, int pos)
206 sg_bandwidth_factor = xbt_cfg_get_double(_surf_cfg_set, name);
209 static void _surf_cfg_cb__weight_S(const char *name, int pos)
211 sg_weight_S_parameter = xbt_cfg_get_double(_surf_cfg_set, name);
214 /* callback of the inclusion path */
215 static void _surf_cfg_cb__surf_path(const char *name, int pos)
217 char *path = xbt_cfg_get_string_at(_surf_cfg_set, name, pos);
218 xbt_dynar_push(surf_path, &path);
221 /* callback to decide if we want to use the model-checking */
222 #include "xbt_modinter.h"
223 extern int _surf_do_model_check; /* this variable lives in xbt_main until I find a right location for it */
225 static void _surf_cfg_cb_model_check(const char *name, int pos)
227 _surf_do_model_check = xbt_cfg_get_int(_surf_cfg_set, name);
229 if (_surf_do_model_check) {
230 /* Tell modules using mallocators that they shouldn't. MC don't like them */
236 extern int _surf_do_verbose_exit;
238 static void _surf_cfg_cb_verbose_exit(const char *name, int pos)
240 _surf_do_verbose_exit = xbt_cfg_get_int(_surf_cfg_set, name);
244 static void _surf_cfg_cb_context_factory(const char *name, int pos)
246 smx_context_factory_name = xbt_cfg_get_string(_surf_cfg_set, name);
249 static void _surf_cfg_cb_context_stack_size(const char *name, int pos)
251 smx_context_stack_size = xbt_cfg_get_int(_surf_cfg_set, name) * 1024;
254 static void _surf_cfg_cb_contexts_nthreads(const char *name, int pos)
256 SIMIX_context_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
259 static void _surf_cfg_cb_contexts_parallel_threshold(const char *name, int pos)
261 SIMIX_context_set_parallel_threshold(xbt_cfg_get_int(_surf_cfg_set, name));
264 static void _surf_cfg_cb_contexts_parallel_mode(const char *name, int pos)
266 const char* mode_name = xbt_cfg_get_string(_surf_cfg_set, name);
267 if (!strcmp(mode_name, "posix")) {
268 SIMIX_context_set_parallel_mode(XBT_PARMAP_POSIX);
270 else if (!strcmp(mode_name, "futex")) {
271 SIMIX_context_set_parallel_mode(XBT_PARMAP_FUTEX);
273 else if (!strcmp(mode_name, "busy_wait")) {
274 SIMIX_context_set_parallel_mode(XBT_PARMAP_BUSY_WAIT);
277 xbt_die("Command line setting of the parallel synchronization mode should "
278 "be one of \"posix\", \"futex\" or \"busy_wait\"");
282 static void _surf_cfg_cb_surf_nthreads(const char *name, int pos)
284 surf_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
287 static void _surf_cfg_cb__surf_network_coordinates(const char *name,
290 char *val = xbt_cfg_get_string(_surf_cfg_set, name);
291 if (!strcmp(val, "yes")) {
292 if (!COORD_HOST_LEVEL) {
293 COORD_HOST_LEVEL = xbt_lib_add_level(host_lib,xbt_dynar_free_voidp);
294 COORD_ASR_LEVEL = xbt_lib_add_level(as_router_lib,xbt_dynar_free_voidp);
296 } else if (!strcmp(val, "no")) {
297 if (COORD_HOST_LEVEL)
298 xbt_die("Setting of whether to use coordinate cannot be disabled once set.");
300 xbt_die("Command line setting of whether to use coordinates must be either \"yes\" or \"no\"");
304 static void _surf_cfg_cb__surf_network_crosstraffic(const char *name,
307 sg_network_crosstraffic = xbt_cfg_get_int(_surf_cfg_set, name);
311 static void _surf_cfg_cb__gtnets_jitter(const char *name, int pos)
313 sg_gtnets_jitter = xbt_cfg_get_double(_surf_cfg_set, name);
316 static void _surf_cfg_cb__gtnets_jitter_seed(const char *name, int pos)
318 sg_gtnets_jitter_seed = xbt_cfg_get_int(_surf_cfg_set, name);
322 /* create the config set, register what should be and parse the command line*/
323 void surf_config_init(int *argc, char **argv)
325 char *description = xbt_malloc(1024), *p = description;
327 double double_default_value;
328 int default_value_int;
331 /* Create the configuration support */
332 if (_surf_init_status == 0) { /* Only create stuff if not already inited */
333 _surf_init_status = 1;
336 "The model to use for the CPU. Possible values: ");
338 while (*(++p) != '\0');
339 for (i = 0; surf_cpu_model_description[i].name; i++)
340 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
341 surf_cpu_model_description[i].name);
343 ".\n (use 'help' as a value to see the long description of each model)");
344 default_value = xbt_strdup("Cas01");
345 xbt_cfg_register(&_surf_cfg_set, "cpu/model", description, xbt_cfgelm_string,
346 &default_value, 1, 1, &_surf_cfg_cb__cpu_model, NULL);
349 "The optimization modes to use for the CPU. 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, "cpu/optim", description, xbt_cfgelm_string,
359 &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
362 "The model to use for the storage. Possible values: ");
364 while (*(++p) != '\0');
365 for (i = 0; surf_storage_model_description[i].name; i++)
366 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
367 surf_storage_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, "storage/model", description, xbt_cfgelm_string,
372 &default_value, 1, 1, &_surf_cfg_cb__storage_mode,
376 "The model to use for the network. Possible values: ");
378 while (*(++p) != '\0');
379 for (i = 0; surf_network_model_description[i].name; i++)
380 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
381 surf_network_model_description[i].name);
383 ".\n (use 'help' as a value to see the long description of each model)");
384 default_value = xbt_strdup("LV08");
385 xbt_cfg_register(&_surf_cfg_set, "network/model", description, xbt_cfgelm_string,
386 &default_value, 1, 1, &_surf_cfg_cb__network_model,
390 "The optimization modes to use for the network. Possible values: ");
392 while (*(++p) != '\0');
393 for (i = 0; surf_optimization_mode_description[i].name; i++)
394 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
395 surf_optimization_mode_description[i].name);
397 ".\n (use 'help' as a value to see the long description of each optimization mode)");
398 default_value = xbt_strdup("Lazy");
399 xbt_cfg_register(&_surf_cfg_set, "network/optim", description, xbt_cfgelm_string,
400 &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
403 "The model to use for the workstation. Possible values: ");
405 while (*(++p) != '\0');
406 for (i = 0; surf_workstation_model_description[i].name; i++)
407 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
408 surf_workstation_model_description[i].name);
410 ".\n (use 'help' as a value to see the long description of each model)");
411 default_value = xbt_strdup("default");
412 xbt_cfg_register(&_surf_cfg_set, "workstation/model", description, xbt_cfgelm_string,
413 &default_value, 1, 1,
414 &_surf_cfg_cb__workstation_model, NULL);
416 xbt_free(description);
418 xbt_cfg_register(&_surf_cfg_set, "network/TCP_gamma",
419 "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)",
420 xbt_cfgelm_double, NULL, 1, 1,
421 _surf_cfg_cb__tcp_gamma, NULL);
422 xbt_cfg_setdefault_double(_surf_cfg_set, "network/TCP_gamma", 20000.0);
424 xbt_cfg_register(&_surf_cfg_set, "maxmin/precision",
425 "Numerical precision used when updating simulation models (epsilon in double comparisons)",
426 xbt_cfgelm_double, NULL, 1, 1, _surf_cfg_cb__maxmin_precision, NULL);
427 xbt_cfg_setdefault_double(_surf_cfg_set, "maxmin/precision", 0.00001); // FIXME use setdefault everywhere here!
429 /* The parameters of network models */
431 double_default_value = 0.0;
432 xbt_cfg_register(&_surf_cfg_set, "network/sender_gap",
433 "Minimum gap between two overlapping sends",
434 xbt_cfgelm_double, &double_default_value, 1, 1,
435 _surf_cfg_cb__sender_gap, NULL);
437 double_default_value = 1.0;
438 xbt_cfg_register(&_surf_cfg_set, "network/latency_factor",
439 "Correction factor to apply to the provided latency (default value set by network model)",
440 xbt_cfgelm_double, &double_default_value, 1, 1,
441 _surf_cfg_cb__latency_factor, NULL);
442 double_default_value = 1.0;
443 xbt_cfg_register(&_surf_cfg_set, "network/bandwidth_factor",
444 "Correction factor to apply to the provided bandwidth (default value set by network model)",
445 xbt_cfgelm_double, &double_default_value, 1, 1,
446 _surf_cfg_cb__bandwidth_factor, NULL);
447 double_default_value = 0.0;
448 xbt_cfg_register(&_surf_cfg_set, "network/weight_S",
449 "Correction factor to apply to the weight of competing streams(default value set by network model)",
450 xbt_cfgelm_double, &double_default_value, 1, 1,
451 _surf_cfg_cb__weight_S, NULL);
454 xbt_cfg_register(&_surf_cfg_set, "path",
455 "Lookup path for inclusions in platform and deployment XML files",
456 xbt_cfgelm_string, NULL, 0, 0,
457 _surf_cfg_cb__surf_path, NULL);
459 default_value_int = 0;
460 xbt_cfg_register(&_surf_cfg_set, "cpu/maxmin_selective_update",
461 "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
462 xbt_cfgelm_int, &default_value_int, 0, 1,
464 default_value_int = 0;
465 xbt_cfg_register(&_surf_cfg_set, "network/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,
471 default_value_int = 0;
472 xbt_cfg_register(&_surf_cfg_set, "model-check",
473 "Activate the model-checking of the \"simulated\" system (EXPERIMENTAL -- msg only for now)",
474 xbt_cfgelm_int, &default_value_int, 0, 1,
475 _surf_cfg_cb_model_check, NULL);
478 FIXME: this function is not setting model-check to it's default value because
479 internally it calls to variable->cb_set that in this case is the function
480 _surf_cfg_cb_model_check which sets it's value to 1 (instead of the default value 0)
481 xbt_cfg_set_int(_surf_cfg_set, "model-check", default_value_int); */
483 /* do verbose-exit */
484 default_value_int = 1;
485 xbt_cfg_register(&_surf_cfg_set, "verbose-exit",
486 "Activate the \"do nothing\" mode in Ctrl-C",
487 xbt_cfgelm_int, &default_value_int, 0, 1,
488 _surf_cfg_cb_verbose_exit, NULL);
491 /* context factory */
492 default_value = xbt_strdup("ucontext");
493 xbt_cfg_register(&_surf_cfg_set, "contexts/factory",
494 "Context factory to use in SIMIX (ucontext, thread or raw)",
495 xbt_cfgelm_string, &default_value, 1, 1, _surf_cfg_cb_context_factory, NULL);
497 /* stack size of contexts in Ko */
498 default_value_int = 128;
499 xbt_cfg_register(&_surf_cfg_set, "contexts/stack_size",
500 "Stack size of contexts in Kib (ucontext or raw only)",
501 xbt_cfgelm_int, &default_value_int, 1, 1,
502 _surf_cfg_cb_context_stack_size, NULL);
504 /* number of parallel threads for user processes */
505 default_value_int = 1;
506 xbt_cfg_register(&_surf_cfg_set, "contexts/nthreads",
507 "Number of parallel threads used to execute user contexts",
508 xbt_cfgelm_int, &default_value_int, 1, 1,
509 _surf_cfg_cb_contexts_nthreads, NULL);
511 /* minimal number of user contexts to be run in parallel */
512 default_value_int = 2;
513 xbt_cfg_register(&_surf_cfg_set, "contexts/parallel_threshold",
514 "Minimal number of user contexts to be run in parallel (raw contexts only)",
515 xbt_cfgelm_int, &default_value_int, 1, 1,
516 _surf_cfg_cb_contexts_parallel_threshold, NULL);
518 /* synchronization mode for parallel user contexts */
520 default_value = xbt_strdup("futex");
521 #else //No futex on mac and posix is unimplememted yet
522 default_value = xbt_strdup("busy_wait");
524 xbt_cfg_register(&_surf_cfg_set, "contexts/synchro",
525 "Synchronization mode to use when running contexts in parallel (either futex, posix or busy_wait)",
526 xbt_cfgelm_string, &default_value, 1, 1,
527 _surf_cfg_cb_contexts_parallel_mode, NULL);
529 /* number of parallel threads for Surf */
530 default_value_int = surf_get_nthreads();
531 xbt_cfg_register(&_surf_cfg_set, "surf/nthreads",
532 "Number of parallel threads used to update Surf models",
533 xbt_cfgelm_int, &default_value_int, 1, 1,
534 _surf_cfg_cb_surf_nthreads, NULL);
536 default_value = xbt_strdup("no");
537 xbt_cfg_register(&_surf_cfg_set, "network/coordinates",
538 "\"yes\" or \"no\", specifying whether we use a coordinate-based routing (as Vivaldi)",
539 xbt_cfgelm_string, &default_value, 1, 1,
540 _surf_cfg_cb__surf_network_coordinates, NULL);
541 xbt_cfg_setdefault_string(_surf_cfg_set, "network/coordinates", default_value);
543 default_value_int = 0;
544 xbt_cfg_register(&_surf_cfg_set, "network/crosstraffic",
545 "Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM02)",
546 xbt_cfgelm_int, &default_value_int, 0, 1,
547 _surf_cfg_cb__surf_network_crosstraffic, NULL);
548 xbt_cfg_setdefault_int(_surf_cfg_set, "network/crosstraffic", default_value_int);
551 xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter",
552 "Double value to oscillate the link latency, uniformly in random interval [-latency*gtnets_jitter,latency*gtnets_jitter)",
553 xbt_cfgelm_double, NULL, 1, 1,
554 _surf_cfg_cb__gtnets_jitter, NULL);
555 xbt_cfg_setdefault_double(_surf_cfg_set, "gtnets/jitter", 0.0);
557 default_value_int = 10;
558 xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter_seed",
559 "Use a positive seed to reproduce jitted results, value must be in [1,1e8], default is 10",
560 xbt_cfgelm_int, &default_value_int, 0, 1,
561 _surf_cfg_cb__gtnets_jitter_seed, NULL);
564 xbt_cfg_register(&_surf_cfg_set, "ns3/TcpModel",
565 "The ns3 tcp model can be : NewReno or Reno or Tahoe",
566 xbt_cfgelm_string, NULL, 1, 1,
568 xbt_cfg_setdefault_string(_surf_cfg_set, "ns3/TcpModel", "default");
572 double default_reference_speed = 20000.0;
573 xbt_cfg_register(&_surf_cfg_set, "smpi/running_power",
574 "Power of the host running the simulation (in flop/s). Used to bench the operations.",
575 xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL,
578 int default_display_timing = 0;
579 xbt_cfg_register(&_surf_cfg_set, "smpi/display_timing",
580 "Boolean indicating whether we should display the timing after simulation.",
581 xbt_cfgelm_int, &default_display_timing, 1, 1, NULL,
584 double default_threshold = 1e-6;
585 xbt_cfg_register(&_surf_cfg_set, "smpi/cpu_threshold",
586 "Minimal computation time (in seconds) not discarded.",
587 xbt_cfgelm_double, &default_threshold, 1, 1, NULL,
590 //For smpi/bw_factor and smpi/lat_factor
591 //Default value have to be "threshold0:value0;threshold1:value1;...;thresholdN:valueN"
592 //test is if( size >= thresholdN ) return valueN;
593 //Values can be modified with command line --cfg=smpi/bw_factor:"threshold0:value0;threshold1:value1;...;thresholdN:valueN"
594 // or with tag config put line <prop id="smpi/bw_factor" value="threshold0:value0;threshold1:value1;...;thresholdN:valueN"></prop>
595 xbt_cfg_register(&_surf_cfg_set, "smpi/bw_factor",
596 "Bandwidth factors for smpi.",
597 xbt_cfgelm_string, NULL, 1, 1, NULL,
599 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");
601 xbt_cfg_register(&_surf_cfg_set, "smpi/lat_factor",
602 "Latency factors for smpi.",
603 xbt_cfgelm_string, NULL, 1, 1, NULL,
605 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");
610 /* retrieves the current directory of the current process */
611 const char *initial_path = __surf_get_initial_path();
612 xbt_assert((initial_path),
613 "__surf_get_initial_path() failed! Can't resolves current Windows directory");
615 surf_path = xbt_dynar_new(sizeof(char *), NULL);
616 xbt_cfg_setdefault_string(_surf_cfg_set, "path", initial_path);
620 surf_config_cmd_line(argc, argv);
622 XBT_WARN("Call to surf_config_init() after initialization ignored");
626 void surf_config_finalize(void)
628 if (!_surf_init_status)
629 return; /* Not initialized yet. Nothing to do */
631 xbt_cfg_free(&_surf_cfg_set);
632 _surf_init_status = 0;
635 /* Pick the right models for CPU, net and workstation, and call their model_init_preparse */
636 void surf_config_models_setup()
638 char *workstation_model_name;
639 int workstation_id = -1;
640 char *network_model_name = NULL;
641 char *cpu_model_name = NULL;
643 char *storage_model_name = NULL;
645 workstation_model_name =
646 xbt_cfg_get_string(_surf_cfg_set, "workstation/model");
647 network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network/model");
648 cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu/model");
649 storage_model_name = xbt_cfg_get_string(_surf_cfg_set, "storage/model");
651 /* Check whether we use a net/cpu model differing from the default ones, in which case
652 * we should switch to the "compound" workstation model to correctly dispatch stuff to
653 * the right net/cpu models.
656 if((!xbt_cfg_is_default_value(_surf_cfg_set, "network/model") ||
657 !xbt_cfg_is_default_value(_surf_cfg_set, "cpu/model")) &&
658 xbt_cfg_is_default_value(_surf_cfg_set, "workstation/model"))
660 const char *val = "compound";
662 ("Switching workstation model to compound since you changed the network and/or cpu model(s)");
663 xbt_cfg_set_string(_surf_cfg_set, "workstation/model", val);
664 workstation_model_name = (char *) "compound";
667 XBT_DEBUG("Workstation model: %s", workstation_model_name);
669 find_model_description(surf_workstation_model_description,
670 workstation_model_name);
671 if (!strcmp(workstation_model_name, "compound")) {
675 xbt_assert(cpu_model_name,
676 "Set a cpu model to use with the 'compound' workstation model");
678 xbt_assert(network_model_name,
679 "Set a network model to use with the 'compound' workstation model");
682 find_model_description(surf_network_model_description,
685 find_model_description(surf_cpu_model_description, cpu_model_name);
687 surf_cpu_model_description[cpu_id].model_init_preparse();
688 surf_network_model_description[network_id].model_init_preparse();
691 XBT_DEBUG("Call workstation_model_init");
692 surf_workstation_model_description[workstation_id].model_init_preparse();
694 XBT_DEBUG("Call storage_model_init");
695 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
696 surf_storage_model_description[storage_id].model_init_preparse();