[mc] Bring back KSM (MADV_MERGEABLE) support

[simgrid.git] / src / simgrid / sg_config.c

diff --git a/src/simgrid/sg_config.c b/src/simgrid/sg_config.c
index b361678..f1fae08 100644 (file)
--- a/src/simgrid/sg_config.c
+++ b/src/simgrid/sg_config.c
@@ -18,7 +18,9 @@
 #include "instr/instr_interface.h"
 #include "simgrid/simix.h"
 #include "simgrid/sg_config.h"
+#ifdef HAVE_SMPI
 #include "smpi/smpi_interface.h"
+#endif
 #include "mc/mc.h"
 #include "mc/mc_record.h"
 #include "simgrid/instr.h"
@@ -377,17 +379,6 @@ static void _sg_cfg_cb_model_check_replay(const char *name, int pos)
   MC_record_path = xbt_cfg_get_string(_sg_cfg_set, name);
 }
 
-static void _sg_cfg_cb_model_check(const char *name, int pos)
-{
-#ifdef HAVE_MC
-  _sg_do_model_check = xbt_cfg_get_boolean(_sg_cfg_set, name);
-#else
-  if (xbt_cfg_get_boolean(_sg_cfg_set, name)) {
-    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
-}
-
 static void _sg_cfg_cb_model_check_record(const char *name, int pos)
 {
 #ifdef HAVE_MC
@@ -615,12 +606,6 @@ void sg_config_init(int *argc, char **argv)
       xbt_cfgelm_string, 0, 1, _sg_cfg_cb_model_check_replay, NULL);
 
 #ifdef HAVE_MC
-    /* do model-checking */
-    xbt_cfg_register(&_sg_cfg_set, "model-check",
-                     "Verify the system through model-checking instead of simulating it (EXPERIMENTAL)",
-                     xbt_cfgelm_boolean, 1, 1, _sg_cfg_cb_model_check, NULL);
-    xbt_cfg_setdefault_boolean(_sg_cfg_set, "model-check", "no");
-
     /* do model-checking-record */
     xbt_cfg_register(&_sg_cfg_set, "model-check/record",
                      "Record the model-checking paths",
@@ -640,6 +625,11 @@ void sg_config_init(int *argc, char **argv)
                      xbt_cfgelm_boolean, 1, 1, _mc_cfg_cb_sparse_checkpoint, NULL);
     xbt_cfg_setdefault_boolean(_sg_cfg_set, "model-check/sparse-checkpoint", "no");
 
+    xbt_cfg_register(&_sg_cfg_set, "model-check/ksm",
+                     "Kernel same-page merging",
+                     xbt_cfgelm_boolean, 1, 1, _mc_cfg_cb_ksm, NULL);
+    xbt_cfg_setdefault_boolean(_sg_cfg_set, "model-check/ksm", "no");
+
     /* do liveness model-checking */
     xbt_cfg_register(&_sg_cfg_set, "model-check/property",
                      "Specify the name of the file containing the property. It must be the result of the ltl2ba program.",