[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 585bd3b..f1fae08 100644 (file)
--- a/src/simgrid/sg_config.c
+++ b/src/simgrid/sg_config.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2009-2010, 2012-2014. The SimGrid Team.
+/* Copyright (c) 2009-2010, 2012-2015. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -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
@@ -461,14 +452,16 @@ static void _sg_cfg_cb_contexts_parallel_mode(const char *name, int pos)
 static void _sg_cfg_cb__surf_network_coordinates(const char *name,
                                                  int pos)
 {
+  static int already_set = 0;
   int val = xbt_cfg_get_boolean(_sg_cfg_set, name);
   if (val) {
-    if (!COORD_HOST_LEVEL) {
+    if (!already_set) {
       COORD_HOST_LEVEL = xbt_lib_add_level(host_lib,xbt_dynar_free_voidp);
       COORD_ASR_LEVEL  = xbt_lib_add_level(as_router_lib,xbt_dynar_free_voidp);
     }
+    already_set = 1;
   } else
-    if (COORD_HOST_LEVEL)
+    if (already_set)
       xbt_die("Setting of whether to use coordinate cannot be disabled once set.");
 }
 
@@ -478,18 +471,6 @@ static void _sg_cfg_cb__surf_network_crosstraffic(const char *name,
   sg_network_crosstraffic = xbt_cfg_get_boolean(_sg_cfg_set, name);
 }
 
-#ifdef HAVE_GTNETS
-static void _sg_cfg_cb__gtnets_jitter(const char *name, int pos)
-{
-  sg_gtnets_jitter = xbt_cfg_get_double(_sg_cfg_set, name);
-}
-
-static void _sg_cfg_cb__gtnets_jitter_seed(const char *name, int pos)
-{
-  sg_gtnets_jitter_seed = xbt_cfg_get_int(_sg_cfg_set, name);
-}
-#endif
-
 /* build description line with possible values */
 static void describe_model(char *result,
                            const s_surf_model_description_t model_description[],
@@ -625,12 +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",
@@ -650,6 +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.",
@@ -797,17 +777,6 @@ void sg_config_init(int *argc, char **argv)
                      xbt_cfgelm_boolean, 1, 1, _sg_cfg_cb__surf_network_crosstraffic, NULL);
     xbt_cfg_setdefault_boolean(_sg_cfg_set, "network/crosstraffic", "no");
 
-#ifdef HAVE_GTNETS
-    xbt_cfg_register(&_sg_cfg_set, "gtnets/jitter",
-                     "Double value to oscillate the link latency, uniformly in random interval [-latency*gtnets_jitter,latency*gtnets_jitter)",
-                     xbt_cfgelm_double, 1, 1, _sg_cfg_cb__gtnets_jitter, NULL);
-    xbt_cfg_setdefault_double(_sg_cfg_set, "gtnets/jitter", 0.0);
-
-    xbt_cfg_register(&_sg_cfg_set, "gtnets/jitter_seed",
-                     "Use a positive seed to reproduce jitted results, value must be in [1,1e8], default is 10",
-                     xbt_cfgelm_int, 0, 1, _sg_cfg_cb__gtnets_jitter_seed, NULL);
-    xbt_cfg_setdefault_int(_sg_cfg_set, "gtnets/jitter_seed", 10);
-#endif
 #ifdef HAVE_NS3
     xbt_cfg_register(&_sg_cfg_set, "ns3/TcpModel",
                      "The ns3 tcp model can be : NewReno or Reno or Tahoe",
@@ -1024,7 +993,6 @@ void surf_config_models_setup()
   if ((!xbt_cfg_is_default_value(_sg_cfg_set, "network/model") ||
        !xbt_cfg_is_default_value(_sg_cfg_set, "cpu/model")) &&
       xbt_cfg_is_default_value(_sg_cfg_set, "host/model")) {
-    XBT_INFO("Switching host model to compound since you changed the network and/or cpu model(s)");
     host_model_name = "compound";
     xbt_cfg_set_string(_sg_cfg_set, "host/model", host_model_name);
   }