modification to fairstrategy

[loba.git] / main.cpp

diff --git a/main.cpp b/main.cpp
index 8c1965a1b257b2a22708f86d145786f5a925e72b..3ee3ae1544ea3152b8ce4b8de5a32247442c80d7 100644 (file)
--- a/main.cpp
+++ b/main.cpp
@@ -12,8 +12,9 @@
 #include "version.h"
 
 // Creates log categories
-XBT_LOG_NEW_CATEGORY(simu, "Simulation messages");
+XBT_LOG_NEW_CATEGORY(simu, "Root of simulation messages");
 XBT_LOG_NEW_SUBCATEGORY(main, simu, "Messages from global infrastructure");
+XBT_LOG_NEW_SUBCATEGORY(depl, main, "Messages from auto deployment");
 XBT_LOG_NEW_SUBCATEGORY(comm, simu, "Messages from asynchronous pipes");
 XBT_LOG_NEW_SUBCATEGORY(proc, simu, "Messages from base process class");
 XBT_LOG_NEW_SUBCATEGORY(loba, simu, "Messages from load-balancer");
@@ -29,13 +30,12 @@ enum {
     EXIT_FAILURE_CLEAN = 0x08,  // error at cleanup
 };
 
-#include "loba_least_loaded.h"
 int simulation_main(int argc, char* argv[])
 {
     int result;
     process* proc;
     try {
-        proc = new loba_least_loaded(argc, argv);
+        proc = opt::loba_algorithms.new_instance(opt::loba_algo, argc, argv);
         result = proc->run();
         delete proc;
     }
@@ -45,6 +45,25 @@ int simulation_main(int argc, char* argv[])
     return result;
 }
 
+void check_for_lost_load()
+{
+    const double threshold = 1e-4;
+    double total_init = process::get_total_load_init();
+    double total_exit = process::get_total_load_exit();
+    double lost = total_init - total_exit;
+    double lost_ratio = 100 * lost / total_init;
+    if (lost_ratio < -threshold) {
+        CRITICAL2("Gained load at exit! %g (%g%%) <============",
+                  lost, lost_ratio);
+    } else if (lost_ratio > threshold) {
+        CRITICAL2("Lost load at exit! %g (%g%%) <============",
+                  lost, lost_ratio);
+    } else {
+        DEBUG2("Total load at exit looks good: %g (%g%%)", lost, lost_ratio);
+    }
+
+}
+
 int main(int argc, char* argv[])
 {
     // Note: variables used after THROW must be declared as volatile.
@@ -57,8 +76,15 @@ int main(int argc, char* argv[])
     simulation_time.start();
 
     // Set default logging parameters
-    // xbt_log_control_set("simu.thres:verbose");
-    xbt_log_control_set("simu.fmt:'[%h %r] [%c/%p] %m%n'");
+    bool do_log_control_set = true;
+    for (int i = 1 ; do_log_control_set && i < argc ; i++)
+        do_log_control_set = !(argv[i][0] == '-' && argv[i][1] != '-' &&
+                               strchr(argv[i] + 1, 'v'));
+    if (do_log_control_set) {
+        // xbt_log_control_set("simu.thres:verbose");
+        xbt_log_control_set("simu.fmt:'[%h %r] [%c/%p] %m%n'");
+        xbt_log_control_set("main.fmt:'[%c/%p] %m%n'");
+    }
 
     // Initialize some MSG internal data.
     // Note: MSG_global_init() may throw an exception, but it seems
@@ -79,13 +105,16 @@ int main(int argc, char* argv[])
         MSG_clean();
         exit(parse_res ? EXIT_NO_FAILURE : EXIT_FAILURE_ARGS);
     }
+    INFO3("%s v%s (%s)", opt::program_name.c_str(), version::num.c_str(),
+          version::date.c_str());
     opt::print();
 
     TRY {
         exit_status = EXIT_FAILURE_INIT; // =====
 
-        // Register the main function of an agent in a global table.
-        MSG_function_register("simulation_main", simulation_main);
+        // Register the default function of an agent
+        // MSG_function_register("simulation_main", simulation_main);
+        MSG_function_register_default(simulation_main);
 
         // Create the platform and the application.
         MSG_create_environment(opt::platform_file.c_str());
@@ -93,8 +122,13 @@ int main(int argc, char* argv[])
         if (opt::auto_depl::enabled) {
             if (!opt::auto_depl::nhosts)
                 opt::auto_depl::nhosts = hostdata::size();
+            if (opt::auto_depl::nhosts > hostdata::size()) {
+                WARN2("%u hosts is too much: limiting to %u",
+                      opt::auto_depl::nhosts, (unsigned )hostdata::size());
+                opt::auto_depl::nhosts = hostdata::size();
+            }
             if (!opt::auto_depl::load)
-                opt::auto_depl::load = hostdata::size();
+                opt::auto_depl::load = opt::auto_depl::nhosts;
             MY_launch_application(); // it is already opt::* aware...
         } else {
             MSG_launch_application(opt::deployment_file.c_str());
@@ -103,10 +137,11 @@ int main(int argc, char* argv[])
         exit_status = EXIT_FAILURE_SIMU; // =====
 
         // Launch the MSG simulation.
-        INFO0("Starting simulation...");
+        INFO1("Starting simulation at %f...", MSG_get_clock());
         res = MSG_main();
-        INFO0("Simulation ended.");
         simulated_time = MSG_get_clock();
+        INFO1("Simulation ended at %f.", simulated_time);
+        check_for_lost_load();
         if (res != MSG_OK)
             THROW1(0, 0, "MSG_main() failed with status %#x", res);