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 cpu/model variable */
137 static void _surf_cfg_cb__storage_mode(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("storage", surf_storage_model_description);
151 /* New Module missing */
152 find_model_description(surf_storage_model_description, val);
155 /* callback of the workstation_model variable */
156 static void _surf_cfg_cb__network_model(const char *name, int pos)
160 xbt_assert(_surf_init_status < 2,
161 "Cannot change the model after the initialization");
163 val = xbt_cfg_get_string(_surf_cfg_set, name);
165 if (!strcmp(val, "help")) {
166 model_help("network", surf_network_model_description);
170 /* New Module missing */
171 find_model_description(surf_network_model_description, val);
175 /* callbacks of the network models values */
176 static void _surf_cfg_cb__tcp_gamma(const char *name, int pos)
178 sg_tcp_gamma = xbt_cfg_get_double(_surf_cfg_set, name);
181 static void _surf_cfg_cb__maxmin_precision(const char* name, int pos)
183 sg_maxmin_precision = xbt_cfg_get_double(_surf_cfg_set, name);
186 static void _surf_cfg_cb__sender_gap(const char* name, int pos)
188 sg_sender_gap = xbt_cfg_get_double(_surf_cfg_set, name);
191 static void _surf_cfg_cb__latency_factor(const char *name, int pos)
193 sg_latency_factor = xbt_cfg_get_double(_surf_cfg_set, name);
196 static void _surf_cfg_cb__bandwidth_factor(const char *name, int pos)
198 sg_bandwidth_factor = xbt_cfg_get_double(_surf_cfg_set, name);
201 static void _surf_cfg_cb__weight_S(const char *name, int pos)
203 sg_weight_S_parameter = xbt_cfg_get_double(_surf_cfg_set, name);
206 /* callback of the inclusion path */
207 static void _surf_cfg_cb__surf_path(const char *name, int pos)
209 char *path = xbt_cfg_get_string_at(_surf_cfg_set, name, pos);
210 xbt_dynar_push(surf_path, &path);
213 /* callback to decide if we want to use the model-checking */
214 #include "xbt_modinter.h"
215 extern int _surf_do_model_check; /* this variable lives in xbt_main until I find a right location for it */
217 static void _surf_cfg_cb_model_check(const char *name, int pos)
219 _surf_do_model_check = xbt_cfg_get_int(_surf_cfg_set, name);
221 if (_surf_do_model_check) {
222 /* Tell modules using mallocators that they shouldn't. MC don't like them */
228 extern int _surf_do_verbose_exit;
230 static void _surf_cfg_cb_verbose_exit(const char *name, int pos)
232 _surf_do_verbose_exit = xbt_cfg_get_int(_surf_cfg_set, name);
236 static void _surf_cfg_cb_context_factory(const char *name, int pos)
238 smx_context_factory_name = xbt_cfg_get_string(_surf_cfg_set, name);
241 static void _surf_cfg_cb_context_stack_size(const char *name, int pos)
243 smx_context_stack_size = xbt_cfg_get_int(_surf_cfg_set, name) * 1024;
246 static void _surf_cfg_cb_contexts_nthreads(const char *name, int pos)
248 SIMIX_context_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
251 static void _surf_cfg_cb_contexts_parallel_threshold(const char *name, int pos)
253 SIMIX_context_set_parallel_threshold(xbt_cfg_get_int(_surf_cfg_set, name));
256 static void _surf_cfg_cb_contexts_parallel_mode(const char *name, int pos)
258 const char* mode_name = xbt_cfg_get_string(_surf_cfg_set, name);
259 if (!strcmp(mode_name, "posix")) {
260 SIMIX_context_set_parallel_mode(XBT_PARMAP_POSIX);
262 else if (!strcmp(mode_name, "futex")) {
263 SIMIX_context_set_parallel_mode(XBT_PARMAP_FUTEX);
265 else if (!strcmp(mode_name, "busy_wait")) {
266 SIMIX_context_set_parallel_mode(XBT_PARMAP_BUSY_WAIT);
269 xbt_die("Command line setting of the parallel synchronization mode should "
270 "be one of \"posix\", \"futex\" or \"busy_wait\"");
274 static void _surf_cfg_cb_surf_nthreads(const char *name, int pos)
276 surf_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
279 static void _surf_cfg_cb__surf_network_coordinates(const char *name,
282 char *val = xbt_cfg_get_string(_surf_cfg_set, name);
283 if (!strcmp(val, "yes")) {
284 if (!COORD_HOST_LEVEL) {
285 COORD_HOST_LEVEL = xbt_lib_add_level(host_lib,xbt_dynar_free_voidp);
286 COORD_ASR_LEVEL = xbt_lib_add_level(as_router_lib,xbt_dynar_free_voidp);
288 } else if (!strcmp(val, "no")) {
289 if (COORD_HOST_LEVEL)
290 xbt_die("Setting of whether to use coordinate cannot be disabled once set.");
292 xbt_die("Command line setting of whether to use coordinates must be either \"yes\" or \"no\"");
296 static void _surf_cfg_cb__surf_network_crosstraffic(const char *name,
299 sg_network_crosstraffic = xbt_cfg_get_int(_surf_cfg_set, name);
303 static void _surf_cfg_cb__gtnets_jitter(const char *name, int pos)
305 sg_gtnets_jitter = xbt_cfg_get_double(_surf_cfg_set, name);
308 static void _surf_cfg_cb__gtnets_jitter_seed(const char *name, int pos)
310 sg_gtnets_jitter_seed = xbt_cfg_get_int(_surf_cfg_set, name);
314 /* create the config set, register what should be and parse the command line*/
315 void surf_config_init(int *argc, char **argv)
317 char *description = xbt_malloc(1024), *p = description;
319 double double_default_value;
320 int default_value_int;
323 /* Create the configuration support */
324 if (_surf_init_status == 0) { /* Only create stuff if not already inited */
325 _surf_init_status = 1;
328 "The model to use for the CPU. Possible values: ");
330 while (*(++p) != '\0');
331 for (i = 0; surf_cpu_model_description[i].name; i++)
332 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
333 surf_cpu_model_description[i].name);
335 ".\n (use 'help' as a value to see the long description of each model)");
336 default_value = xbt_strdup("Cas01");
337 xbt_cfg_register(&_surf_cfg_set, "cpu/model", description, xbt_cfgelm_string,
338 &default_value, 1, 1, &_surf_cfg_cb__cpu_model, NULL);
341 "The optimization modes to use for the CPU. Possible values: ");
343 while (*(++p) != '\0');
344 for (i = 0; surf_optimization_mode_description[i].name; i++)
345 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
346 surf_optimization_mode_description[i].name);
348 ".\n (use 'help' as a value to see the long description of each optimization mode)");
349 default_value = xbt_strdup("Lazy");
350 xbt_cfg_register(&_surf_cfg_set, "cpu/optim", description, xbt_cfgelm_string,
351 &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
354 "The model to use for the storage. Possible values: ");
356 while (*(++p) != '\0');
357 for (i = 0; surf_storage_model_description[i].name; i++)
358 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
359 surf_storage_model_description[i].name);
361 ".\n (use 'help' as a value to see the long description of each model)");
362 default_value = xbt_strdup("default");
363 xbt_cfg_register(&_surf_cfg_set, "storage/model", description, xbt_cfgelm_string,
364 &default_value, 1, 1, &_surf_cfg_cb__storage_mode,
368 "The model to use for the network. Possible values: ");
370 while (*(++p) != '\0');
371 for (i = 0; surf_network_model_description[i].name; i++)
372 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
373 surf_network_model_description[i].name);
375 ".\n (use 'help' as a value to see the long description of each model)");
376 default_value = xbt_strdup("LV08");
377 xbt_cfg_register(&_surf_cfg_set, "network/model", description, xbt_cfgelm_string,
378 &default_value, 1, 1, &_surf_cfg_cb__network_model,
382 "The optimization modes to use for the network. Possible values: ");
384 while (*(++p) != '\0');
385 for (i = 0; surf_optimization_mode_description[i].name; i++)
386 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
387 surf_optimization_mode_description[i].name);
389 ".\n (use 'help' as a value to see the long description of each optimization mode)");
390 default_value = xbt_strdup("Lazy");
391 xbt_cfg_register(&_surf_cfg_set, "network/optim", description, xbt_cfgelm_string,
392 &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
395 "The model to use for the workstation. Possible values: ");
397 while (*(++p) != '\0');
398 for (i = 0; surf_workstation_model_description[i].name; i++)
399 p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
400 surf_workstation_model_description[i].name);
402 ".\n (use 'help' as a value to see the long description of each model)");
403 default_value = xbt_strdup("default");
404 xbt_cfg_register(&_surf_cfg_set, "workstation/model", description, xbt_cfgelm_string,
405 &default_value, 1, 1,
406 &_surf_cfg_cb__workstation_model, NULL);
408 xbt_free(description);
410 xbt_cfg_register(&_surf_cfg_set, "network/TCP_gamma",
411 "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)",
412 xbt_cfgelm_double, NULL, 1, 1,
413 _surf_cfg_cb__tcp_gamma, NULL);
414 xbt_cfg_setdefault_double(_surf_cfg_set, "network/TCP_gamma", 20000.0);
416 xbt_cfg_register(&_surf_cfg_set, "maxmin/precision",
417 "Numerical precision used when updating simulation models (epsilon in double comparisons)",
418 xbt_cfgelm_double, NULL, 1, 1, _surf_cfg_cb__maxmin_precision, NULL);
419 xbt_cfg_setdefault_double(_surf_cfg_set, "maxmin/precision", 0.00001); // FIXME use setdefault everywhere here!
421 /* The parameters of network models */
423 double_default_value = 0.0;
424 xbt_cfg_register(&_surf_cfg_set, "network/sender_gap",
425 "Minimum gap between two overlapping sends",
426 xbt_cfgelm_double, &double_default_value, 1, 1,
427 _surf_cfg_cb__sender_gap, NULL);
429 double_default_value = 1.0;
430 xbt_cfg_register(&_surf_cfg_set, "network/latency_factor",
431 "Correction factor to apply to the provided latency (default value set by network model)",
432 xbt_cfgelm_double, &double_default_value, 1, 1,
433 _surf_cfg_cb__latency_factor, NULL);
434 double_default_value = 1.0;
435 xbt_cfg_register(&_surf_cfg_set, "network/bandwidth_factor",
436 "Correction factor to apply to the provided bandwidth (default value set by network model)",
437 xbt_cfgelm_double, &double_default_value, 1, 1,
438 _surf_cfg_cb__bandwidth_factor, NULL);
439 double_default_value = 0.0;
440 xbt_cfg_register(&_surf_cfg_set, "network/weight_S",
441 "Correction factor to apply to the weight of competing streams(default value set by network model)",
442 xbt_cfgelm_double, &double_default_value, 1, 1,
443 _surf_cfg_cb__weight_S, NULL);
446 xbt_cfg_register(&_surf_cfg_set, "path",
447 "Lookup path for inclusions in platform and deployment XML files",
448 xbt_cfgelm_string, NULL, 0, 0,
449 _surf_cfg_cb__surf_path, NULL);
451 default_value_int = 0;
452 xbt_cfg_register(&_surf_cfg_set, "cpu/maxmin_selective_update",
453 "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
454 xbt_cfgelm_int, &default_value_int, 0, 1,
456 default_value_int = 0;
457 xbt_cfg_register(&_surf_cfg_set, "network/maxmin_selective_update",
458 "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
459 xbt_cfgelm_int, &default_value_int, 0, 1,
463 default_value_int = 0;
464 xbt_cfg_register(&_surf_cfg_set, "model-check",
465 "Activate the model-checking of the \"simulated\" system (EXPERIMENTAL -- msg only for now)",
466 xbt_cfgelm_int, &default_value_int, 0, 1,
467 _surf_cfg_cb_model_check, NULL);
470 FIXME: this function is not setting model-check to it's default value because
471 internally it calls to variable->cb_set that in this case is the function
472 _surf_cfg_cb_model_check which sets it's value to 1 (instead of the default value 0)
473 xbt_cfg_set_int(_surf_cfg_set, "model-check", default_value_int); */
475 /* do verbose-exit */
476 default_value_int = 1;
477 xbt_cfg_register(&_surf_cfg_set, "verbose-exit",
478 "Activate the \"do nothing\" mode in Ctrl-C",
479 xbt_cfgelm_int, &default_value_int, 0, 1,
480 _surf_cfg_cb_verbose_exit, NULL);
483 /* context factory */
484 default_value = xbt_strdup("ucontext");
485 xbt_cfg_register(&_surf_cfg_set, "contexts/factory",
486 "Context factory to use in SIMIX (ucontext, thread or raw)",
487 xbt_cfgelm_string, &default_value, 1, 1, _surf_cfg_cb_context_factory, NULL);
489 /* stack size of contexts in Ko */
490 default_value_int = 128;
491 xbt_cfg_register(&_surf_cfg_set, "contexts/stack_size",
492 "Stack size of contexts in Kib (ucontext or raw only)",
493 xbt_cfgelm_int, &default_value_int, 1, 1,
494 _surf_cfg_cb_context_stack_size, NULL);
496 /* number of parallel threads for user processes */
497 default_value_int = 1;
498 xbt_cfg_register(&_surf_cfg_set, "contexts/nthreads",
499 "Number of parallel threads used to execute user contexts",
500 xbt_cfgelm_int, &default_value_int, 1, 1,
501 _surf_cfg_cb_contexts_nthreads, NULL);
503 /* minimal number of user contexts to be run in parallel */
504 default_value_int = 2;
505 xbt_cfg_register(&_surf_cfg_set, "contexts/parallel_threshold",
506 "Minimal number of user contexts to be run in parallel (raw contexts only)",
507 xbt_cfgelm_int, &default_value_int, 1, 1,
508 _surf_cfg_cb_contexts_parallel_threshold, NULL);
510 /* synchronization mode for parallel user contexts */
512 default_value = xbt_strdup("futex");
513 #else //No futex on mac and posix is unimplememted yet
514 default_value = xbt_strdup("busy_wait");
516 xbt_cfg_register(&_surf_cfg_set, "contexts/synchro",
517 "Synchronization mode to use when running contexts in parallel (either futex, posix or busy_wait)",
518 xbt_cfgelm_string, &default_value, 1, 1,
519 _surf_cfg_cb_contexts_parallel_mode, NULL);
521 /* number of parallel threads for Surf */
522 default_value_int = surf_get_nthreads();
523 xbt_cfg_register(&_surf_cfg_set, "surf/nthreads",
524 "Number of parallel threads used to update Surf models",
525 xbt_cfgelm_int, &default_value_int, 1, 1,
526 _surf_cfg_cb_surf_nthreads, NULL);
528 default_value = xbt_strdup("no");
529 xbt_cfg_register(&_surf_cfg_set, "network/coordinates",
530 "\"yes\" or \"no\", specifying whether we use a coordinate-based routing (as Vivaldi)",
531 xbt_cfgelm_string, &default_value, 1, 1,
532 _surf_cfg_cb__surf_network_coordinates, NULL);
533 xbt_cfg_setdefault_string(_surf_cfg_set, "network/coordinates", default_value);
535 default_value_int = 0;
536 xbt_cfg_register(&_surf_cfg_set, "network/crosstraffic",
537 "Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM02)",
538 xbt_cfgelm_int, &default_value_int, 0, 1,
539 _surf_cfg_cb__surf_network_crosstraffic, NULL);
540 xbt_cfg_setdefault_int(_surf_cfg_set, "network/crosstraffic", default_value_int);
543 xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter",
544 "Double value to oscillate the link latency, uniformly in random interval [-latency*gtnets_jitter,latency*gtnets_jitter)",
545 xbt_cfgelm_double, NULL, 1, 1,
546 _surf_cfg_cb__gtnets_jitter, NULL);
547 xbt_cfg_setdefault_double(_surf_cfg_set, "gtnets_jitter", 0.0);
549 default_value_int = 10;
550 xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter_seed",
551 "Use a positive seed to reproduce jitted results, value must be in [1,1e8], default is 10",
552 xbt_cfgelm_int, &default_value_int, 0, 1,
553 _surf_cfg_cb__gtnets_jitter_seed, NULL);
556 xbt_cfg_register(&_surf_cfg_set, "ns3/TcpModel",
557 "The ns3 tcp model can be : NewReno or Reno or Tahoe",
558 xbt_cfgelm_string, NULL, 1, 1,
560 xbt_cfg_setdefault_string(_surf_cfg_set, "ns3/TcpModel", "default");
564 double default_reference_speed = 20000.0;
565 xbt_cfg_register(&_surf_cfg_set, "smpi/running_power",
566 "Power of the host running the simulation (in flop/s). Used to bench the operations.",
567 xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL,
570 int default_display_timing = 0;
571 xbt_cfg_register(&_surf_cfg_set, "smpi/display_timing",
572 "Boolean indicating whether we should display the timing after simulation.",
573 xbt_cfgelm_int, &default_display_timing, 1, 1, NULL,
576 double default_threshold = 1e-6;
577 xbt_cfg_register(&_surf_cfg_set, "smpi/cpu_threshold",
578 "Minimal computation time (in seconds) not discarded.",
579 xbt_cfgelm_double, &default_threshold, 1, 1, NULL,
582 //For smpi/bw_factor and smpi/lat_factor
583 //Default value have to be "threshold0:value0;threshold1:value1;...;thresholdN:valueN"
584 //test is if( size >= thresholdN ) return valueN;
585 //Values can be modified with command line --cfg=smpi/bw_factor:"threshold0:value0;threshold1:value1;...;thresholdN:valueN"
586 // or with tag config put line <prop id="smpi/bw_factor" value="threshold0:value0;threshold1:value1;...;thresholdN:valueN"></prop>
587 xbt_cfg_register(&_surf_cfg_set, "smpi/bw_factor",
588 "Bandwidth factors for smpi.",
589 xbt_cfgelm_string, NULL, 1, 1, NULL,
591 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");
593 xbt_cfg_register(&_surf_cfg_set, "smpi/lat_factor",
594 "Latency factors for smpi.",
595 xbt_cfgelm_string, NULL, 1, 1, NULL,
597 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");
602 /* retrieves the current directory of the current process */
603 const char *initial_path = __surf_get_initial_path();
604 xbt_assert((initial_path),
605 "__surf_get_initial_path() failed! Can't resolves current Windows directory");
607 surf_path = xbt_dynar_new(sizeof(char *), NULL);
608 xbt_cfg_setdefault_string(_surf_cfg_set, "path", initial_path);
612 surf_config_cmd_line(argc, argv);
614 XBT_WARN("Call to surf_config_init() after initialization ignored");
618 void surf_config_finalize(void)
620 if (!_surf_init_status)
621 return; /* Not initialized yet. Nothing to do */
623 xbt_cfg_free(&_surf_cfg_set);
624 _surf_init_status = 0;
627 /* Pick the right models for CPU, net and workstation, and call their model_init_preparse */
628 void surf_config_models_setup()
630 char *workstation_model_name;
631 int workstation_id = -1;
632 char *network_model_name = NULL;
633 char *cpu_model_name = NULL;
635 char *storage_model_name = NULL;
637 workstation_model_name =
638 xbt_cfg_get_string(_surf_cfg_set, "workstation/model");
639 network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network/model");
640 cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu/model");
641 storage_model_name = xbt_cfg_get_string(_surf_cfg_set, "storage/model");
643 /* Check whether we use a net/cpu model differing from the default ones, in which case
644 * we should switch to the "compound" workstation model to correctly dispatch stuff to
645 * the right net/cpu models.
648 if((!xbt_cfg_is_default_value(_surf_cfg_set, "network/model") ||
649 !xbt_cfg_is_default_value(_surf_cfg_set, "cpu/model")) &&
650 xbt_cfg_is_default_value(_surf_cfg_set, "workstation/model"))
652 const char *val = "compound";
654 ("Switching workstation model to compound since you changed the network and/or cpu model(s)");
655 xbt_cfg_set_string(_surf_cfg_set, "workstation/model", val);
656 workstation_model_name = (char *) "compound";
659 XBT_DEBUG("Workstation model: %s", workstation_model_name);
661 find_model_description(surf_workstation_model_description,
662 workstation_model_name);
663 if (!strcmp(workstation_model_name, "compound")) {
667 xbt_assert(cpu_model_name,
668 "Set a cpu model to use with the 'compound' workstation model");
670 xbt_assert(network_model_name,
671 "Set a network model to use with the 'compound' workstation model");
674 find_model_description(surf_network_model_description,
677 find_model_description(surf_cpu_model_description, cpu_model_name);
679 surf_cpu_model_description[cpu_id].model_init_preparse();
680 surf_network_model_description[network_id].model_init_preparse();
683 XBT_DEBUG("Call workstation_model_init");
684 surf_workstation_model_description[workstation_id].model_init_preparse();
686 XBT_DEBUG("Call storage_model_init");
687 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
688 surf_storage_model_description[storage_id].model_init_preparse();