/* surf_config: configuration infrastructure for the simulation world */
#include "xbt/config.h"
+#include "xbt/log.h"
#include "xbt/str.h"
#include "surf/surf_private.h"
-#include "surf/surf_routing.h" /* COORD_HOST_LEVEL and COORD_ASR_LEVEL */
-#include "simix/context.h"
+#include "surf/surf_routing.h" /* COORD_HOST_LEVEL and COORD_ASR_LEVEL */
+#include "simgrid/simix.h"
+#include "mc/mc.h" /* configuration callbacks of model-checking */
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_config, surf,
"About the configuration of surf (and the rest of the simulation)");
/* Parse the command line, looking for options */
static void surf_config_cmd_line(int *argc, char **argv)
{
+ int shall_exit = 0;
int i, j;
char *opt;
- for (i = 1; i < *argc; i++) {
- int remove_it = 0;
+ for (j = i = 1; i < *argc; i++) {
if (!strncmp(argv[i], "--cfg=", strlen("--cfg="))) {
opt = strchr(argv[i], '=');
opt++;
xbt_cfg_set_parse(_surf_cfg_set, opt);
XBT_DEBUG("Did apply '%s' as config setting", opt);
- remove_it = 1;
- } else if (!strncmp(argv[i], "--cfg-help", strlen("--cfg-help") + 1) ||
- !strncmp(argv[i], "--help", strlen("--help") + 1)) {
+ } else if (!strcmp(argv[i], "--cfg-help") || !strcmp(argv[i], "--help")) {
printf
("Description of the configuration accepted by this simulator:\n");
xbt_cfg_help(_surf_cfg_set);
- printf("\nYou can also use --help-models to see the details of all models known by this simulator.\n");
+ printf(
+"\n"
+"Each of these configurations can be used by adding\n"
+" --cfg=<option name>:<option value>\n"
+"to the command line.\n"
+"You can also use --help-models to see the details of all models known by this simulator.\n"
#ifdef HAVE_TRACING
- printf("\nYou can also use --help-tracing to see the details of all tracing options known by this simulator.\n");
+"\n"
+"You can also use --help-tracing to see the details of all tracing options known by this simulator.\n"
#endif
- exit(0);
- } else if (!strncmp(argv[i], "--help-models", strlen("--help-models") + 1)) {
+"\n"
+"You can also use --help-logs and --help-log-categories to see the details of logging output.\n"
+"\n"
+ );
+ shall_exit = 1;
+ } else if (!strcmp(argv[i], "--help-models")) {
+ int k;
+
model_help("workstation", surf_workstation_model_description);
printf("\n");
model_help("CPU", surf_cpu_model_description);
printf("\n");
model_help("network", surf_network_model_description);
printf("\nLong description of all optimization levels accepted by the models of this simulator:\n");
- for (i = 0; surf_optimization_mode_description[i].name; i++)
- printf(" %s: %s\n", surf_optimization_mode_description[i].name, surf_optimization_mode_description[i].description);
- printf("Both network and CPU models have 'Lazy' as default optimization level\n");
- exit(0);
+ for (k = 0; surf_optimization_mode_description[k].name; k++)
+ printf(" %s: %s\n",
+ surf_optimization_mode_description[k].name,
+ surf_optimization_mode_description[k].description);
+ printf("Both network and CPU models have 'Lazy' as default optimization level\n\n");
+ shall_exit = 1;
#ifdef HAVE_TRACING
- } else if (!strncmp(argv[i], "--help-tracing", strlen("--help-tracing") + 1)) {
+ } else if (!strcmp(argv[i], "--help-tracing")) {
TRACE_help (1);
- exit(0);
+ shall_exit = 1;
#endif
- }
- if (remove_it) { /*remove this from argv */
- for (j = i + 1; j < *argc; j++) {
- argv[j - 1] = argv[j];
- }
-
- argv[j - 1] = NULL;
- (*argc)--;
- i--; /* compensate effect of next loop incrementation */
+ } else {
+ argv[j++] = argv[i];
}
}
+ if (j < *argc) {
+ argv[j] = NULL;
+ *argc = j;
+ }
+ if (shall_exit)
+ exit(0);
}
find_model_description(surf_optimization_mode_description, val);
}
+/* callback of the cpu/model variable */
+static void _surf_cfg_cb__storage_mode(const char *name, int pos)
+{
+ char *val;
+
+ xbt_assert(_surf_init_status < 2,
+ "Cannot change the model after the initialization");
+
+ val = xbt_cfg_get_string(_surf_cfg_set, name);
+
+ if (!strcmp(val, "help")) {
+ model_help("storage", surf_storage_model_description);
+ exit(0);
+ }
+
+ /* New Module missing */
+ find_model_description(surf_storage_model_description, val);
+}
+
/* callback of the workstation_model variable */
static void _surf_cfg_cb__network_model(const char *name, int pos)
{
_surf_do_model_check = xbt_cfg_get_int(_surf_cfg_set, name);
if (_surf_do_model_check) {
+#ifndef HAVE_MC
+ xbt_die("You tried to activate the model-checking from the command line, but it was not compiled in. Change your settings in cmake, recompile and try again");
+#endif
/* Tell modules using mallocators that they shouldn't. MC don't like them */
xbt_fifo_preinit();
xbt_dict_preinit();
}
-static void _surf_cfg_cb_context_factory(const char *name, int pos)
-{
+static void _surf_cfg_cb_context_factory(const char *name, int pos) {
smx_context_factory_name = xbt_cfg_get_string(_surf_cfg_set, name);
}
SIMIX_context_set_parallel_mode(XBT_PARMAP_BUSY_WAIT);
}
else {
- XBT_WARN("Command line setting of the parallel synchronization mode should "
+ xbt_die("Command line setting of the parallel synchronization mode should "
"be one of \"posix\", \"futex\" or \"busy_wait\"");
}
}
+static void _surf_cfg_cb_surf_nthreads(const char *name, int pos)
+{
+ surf_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
+}
+
static void _surf_cfg_cb__surf_network_coordinates(const char *name,
int pos)
{
/* Create the configuration support */
if (_surf_init_status == 0) { /* Only create stuff if not already inited */
- _surf_init_status = 1;
-
sprintf(description,
"The model to use for the CPU. Possible values: ");
p = description;
xbt_cfg_register(&_surf_cfg_set, "cpu/optim", description, xbt_cfgelm_string,
&default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
+ sprintf(description,
+ "The model to use for the storage. Possible values: ");
+ p = description;
+ while (*(++p) != '\0');
+ for (i = 0; surf_storage_model_description[i].name; i++)
+ p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
+ surf_storage_model_description[i].name);
+ sprintf(p,
+ ".\n (use 'help' as a value to see the long description of each model)");
+ default_value = xbt_strdup("default");
+ xbt_cfg_register(&_surf_cfg_set, "storage/model", description, xbt_cfgelm_string,
+ &default_value, 1, 1, &_surf_cfg_cb__storage_mode,
+ NULL);
+
sprintf(description,
"The model to use for the network. Possible values: ");
p = description;
xbt_cfgelm_int, &default_value_int, 0, 1,
NULL, NULL);
- /* do model-check */
+#ifdef HAVE_MC
+ /* do model-checking */
default_value_int = 0;
xbt_cfg_register(&_surf_cfg_set, "model-check",
- "Activate the model-checking of the \"simulated\" system (EXPERIMENTAL -- msg only for now)",
+ "Verify the system through model-checking instead of simulating it (EXPERIMENTAL)",
xbt_cfgelm_int, &default_value_int, 0, 1,
_surf_cfg_cb_model_check, NULL);
+
+ /* do stateful model-checking */
+ default_value_int = 0;
+ xbt_cfg_register(&_surf_cfg_set, "model-check/checkpoint",
+ "Specify the amount of steps between checkpoints during stateful model-checking (default: 0 => stateless verification). "
+ "If value=1, one checkpoint is saved for each step => faster verification, but huge memory consumption; higher values are good compromises between speed and memory consumption.",
+ xbt_cfgelm_int, &default_value_int, 0, 1,
+ _mc_cfg_cb_checkpoint, NULL);
- /*
- FIXME: this function is not setting model-check to it's default value because
- internally it calls to variable->cb_set that in this case is the function
- _surf_cfg_cb_model_check which sets it's value to 1 (instead of the default value 0)
- xbt_cfg_set_int(_surf_cfg_set, "model-check", default_value_int); */
+ /* do liveness model-checking */
+ default_value = xbt_strdup("");
+ xbt_cfg_register(&_surf_cfg_set, "model-check/property",
+ "Specify the name of the file containing the property. It must be the result of the ltl2ba program.",
+ xbt_cfgelm_string, &default_value, 0, 1,
+ _mc_cfg_cb_property, NULL);
+
+ /* Specify the kind of model-checking reduction */
+ default_value = xbt_strdup("unset");
+ xbt_cfg_register(&_surf_cfg_set, "model-check/reduction",
+ "Specify the kind of exploration reduction (either none or DPOR)",
+ xbt_cfgelm_string, &default_value, 0, 1,
+ _mc_cfg_cb_reduce, NULL);
+#endif
/* do verbose-exit */
default_value_int = 1;
xbt_cfgelm_int, &default_value_int, 1, 1,
_surf_cfg_cb_contexts_parallel_threshold, NULL);
- /* minimal number of user contexts to be run in parallel */
+ /* synchronization mode for parallel user contexts */
#ifdef HAVE_FUTEX_H
default_value = xbt_strdup("futex");
#else //No futex on mac and posix is unimplememted yet
xbt_cfgelm_string, &default_value, 1, 1,
_surf_cfg_cb_contexts_parallel_mode, NULL);
+ /* number of parallel threads for Surf */
+ default_value_int = surf_get_nthreads();
+ xbt_cfg_register(&_surf_cfg_set, "surf/nthreads",
+ "Number of parallel threads used to update Surf models",
+ xbt_cfgelm_int, &default_value_int, 1, 1,
+ _surf_cfg_cb_surf_nthreads, NULL);
+
default_value = xbt_strdup("no");
xbt_cfg_register(&_surf_cfg_set, "network/coordinates",
"\"yes\" or \"no\", specifying whether we use a coordinate-based routing (as Vivaldi)",
"Double value to oscillate the link latency, uniformly in random interval [-latency*gtnets_jitter,latency*gtnets_jitter)",
xbt_cfgelm_double, NULL, 1, 1,
_surf_cfg_cb__gtnets_jitter, NULL);
- xbt_cfg_setdefault_double(_surf_cfg_set, "gtnets_jitter", 0.0);
+ xbt_cfg_setdefault_double(_surf_cfg_set, "gtnets/jitter", 0.0);
default_value_int = 10;
xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter_seed",
"Minimal computation time (in seconds) not discarded.",
xbt_cfgelm_double, &default_threshold, 1, 1, NULL,
NULL);
+
+ int default_small_messages_threshold = 0;
+ xbt_cfg_register(&_surf_cfg_set, "smpi/async_small_thres",
+ "Maximal size of messages that are to be sent asynchronously, without waiting for the receiver",
+ xbt_cfgelm_int, &default_small_messages_threshold, 1, 1, NULL,
+ NULL);
+
+ //For smpi/bw_factor and smpi/lat_factor
+ //Default value have to be "threshold0:value0;threshold1:value1;...;thresholdN:valueN"
+ //test is if( size >= thresholdN ) return valueN;
+ //Values can be modified with command line --cfg=smpi/bw_factor:"threshold0:value0;threshold1:value1;...;thresholdN:valueN"
+ // or with tag config put line <prop id="smpi/bw_factor" value="threshold0:value0;threshold1:value1;...;thresholdN:valueN"></prop>
+ xbt_cfg_register(&_surf_cfg_set, "smpi/bw_factor",
+ "Bandwidth factors for smpi.",
+ xbt_cfgelm_string, NULL, 1, 1, NULL,
+ NULL);
+ 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");
+
+ xbt_cfg_register(&_surf_cfg_set, "smpi/lat_factor",
+ "Latency factors for smpi.",
+ xbt_cfgelm_string, NULL, 1, 1, NULL,
+ NULL);
+ 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");
//END SMPI
surf_config_cmd_line(argc, argv);
+
+ _surf_init_status = 1;
} else {
XBT_WARN("Call to surf_config_init() after initialization ignored");
}
int workstation_id = -1;
char *network_model_name = NULL;
char *cpu_model_name = NULL;
+ int storage_id = -1;
+ char *storage_model_name = NULL;
workstation_model_name =
xbt_cfg_get_string(_surf_cfg_set, "workstation/model");
network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network/model");
cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu/model");
+ storage_model_name = xbt_cfg_get_string(_surf_cfg_set, "storage/model");
/* Check whether we use a net/cpu model differing from the default ones, in which case
* we should switch to the "compound" workstation model to correctly dispatch stuff to
*/
if((!xbt_cfg_is_default_value(_surf_cfg_set, "network/model") ||
- !xbt_cfg_is_default_value(_surf_cfg_set, "cpu/model")) &&
- xbt_cfg_is_default_value(_surf_cfg_set, "workstation/model"))
+ !xbt_cfg_is_default_value(_surf_cfg_set, "cpu/model")) &&
+ xbt_cfg_is_default_value(_surf_cfg_set, "workstation/model"))
{
- const char *val = "compound";
- XBT_INFO
- ("Switching workstation model to compound since you changed the network and/or cpu model(s)");
- xbt_cfg_set_string(_surf_cfg_set, "workstation/model", val);
- workstation_model_name = (char *) "compound";
+ const char *val = "compound";
+ XBT_INFO
+ ("Switching workstation model to compound since you changed the network and/or cpu model(s)");
+ xbt_cfg_set_string(_surf_cfg_set, "workstation/model", val);
+ workstation_model_name = (char *) "compound";
}
XBT_DEBUG("Workstation model: %s", workstation_model_name);
XBT_DEBUG("Call workstation_model_init");
surf_workstation_model_description[workstation_id].model_init_preparse();
+
+ XBT_DEBUG("Call storage_model_init");
+ storage_id = find_model_description(surf_storage_model_description, storage_model_name);
+ surf_storage_model_description[storage_id].model_init_preparse();
}