X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/825abbb3bde6c35ab1d1cdfba25fba4be5dcea2f..95ffb98a8d08ef20672d6ef91ea8fb4320c5ea85:/main.cpp?ds=inline

diff --git a/main.cpp b/main.cpp
index 3a47b92..ad59642 100644
--- a/main.cpp
+++ b/main.cpp
@@ -11,6 +11,7 @@ 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");
+XBT_LOG_NEW_SUBCATEGORY(thrd, simu, "Messages from thread wrapper class");
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main);
 
@@ -20,6 +21,7 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main);
 #include "options.h"
 #include "process.h"
 #include "statistics.h"
+#include "synchro.h"
 #include "timer.h"
 #include "tracing.h"
 #include "version.h"
@@ -34,8 +36,13 @@ namespace {
         EXIT_FAILURE_CLEAN = 0x08,  // error at cleanup
     };
 
-    struct statistics comps;
-    struct statistics loads;
+    // Cannot be globally initialized...
+    mutex_t* proc_mutex;
+    condition_t* proc_cond;
+    unsigned proc_counter = 0;
+
+    statistics comps;
+    statistics loads;
 
 }
 
@@ -45,50 +52,71 @@ static int simulation_main(int argc, char* argv[])
     process* proc;
     try {
         proc = opt::loba_algorithms.new_instance(opt::loba_algo, argc, argv);
+
+        proc_mutex->acquire();
+        ++proc_counter;
+        proc_mutex->release();
+
         result = proc->run();
+
+        proc_mutex->acquire();
         comps.push(proc->get_comp());
-        loads.push(proc->get_load());
+        loads.push(proc->get_real_load());
+
+        // Synchronization barrier...
+        // The goal is to circumvent a limitation in SimGrid (at least
+        // in version 3.5): a process must be alive when another one
+        // destroys a communication they had together.
+
+        --proc_counter;
+        proc_cond->broadcast();
+        while (proc_counter > 0)
+            proc_cond->wait(*proc_mutex);
+        proc_mutex->release();
+
         delete proc;
     }
-    catch (std::invalid_argument& e) {
+    catch (const std::invalid_argument& e) {
         THROW1(arg_error, 0, "%s", e.what());
     }
+    catch (const std::exception& e) {
+        THROW1(0, 0, "%s", e.what());
+    }
     return result;
 }
 
 static void check_for_lost_load()
 {
     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 = 100.0 * lost / total_init;
     if (lost_ratio < -opt::load_ratio_threshold)
-        CRITICAL2("Gained load at exit! %g (%g%%) <============",
-                  lost, lost_ratio);
+        XBT_ERROR("Gained load at exit! %g (%g%%) <============",
+                  -lost, -lost_ratio);
     else if (lost_ratio > opt::load_ratio_threshold)
-        CRITICAL2("Lost load at exit! %g (%g%%) <============",
+        XBT_ERROR("Lost load at exit! %g (%g%%) <============",
                   lost, lost_ratio);
     else
-        VERB2("Total load at exit looks good: %g (%g%%)", lost, lost_ratio);
+        XBT_VERB("Total load at exit looks good: %g (%g%%)", lost, lost_ratio);
 
     double total_running = process::get_total_load_running();
     double running_ratio = 100.0 * total_running / total_init;
     if (running_ratio < -opt::load_ratio_threshold)
-        CRITICAL2("Negative running load at exit! %g (%g%%) <============",
+        XBT_ERROR("Negative running load at exit! %g (%g%%) <============",
                   total_running, running_ratio);
     else if (running_ratio > opt::load_ratio_threshold)
-        CRITICAL2("Remaining running load at exit! %g (%g%%) <============",
+        XBT_ERROR("Remaining running load at exit! %g (%g%%) <============",
                   total_running, running_ratio);
     else
-        VERB2("Running load at exit looks good: %g (%g%%)",
-               total_running, running_ratio);
+        XBT_VERB("Running load at exit looks good: %g (%g%%)",
+                 total_running, running_ratio);
 }
 
 #define PR_STATS(descr, st)                                             \
-    INFO5("| %.*s: %g / %g / %g", 39,                                   \
-          descr " total/avg./stddev. at exit.........................", \
-          st.get_sum(), st.get_avg(), st.get_stddev())
+    XBT_INFO("| %.*s: %g / %g / %g", 39,                                \
+             descr " total/avg./stddev. at exit.........................", \
+             st.get_sum(), st.get_mean(), st.get_stddev())
 
 int main(int argc, char* argv[])
 {
@@ -131,7 +159,7 @@ 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(),
+    XBT_INFO("%s v%s (%s)", opt::program_name.c_str(), version::num.c_str(),
           version::date.c_str());
     opt::print();
 
@@ -149,8 +177,8 @@ int main(int argc, char* argv[])
             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());
+                XBT_WARN("%u hosts is too much: limiting to %zu",
+                         opt::auto_depl::nhosts, hostdata::size());
                 opt::auto_depl::nhosts = hostdata::size();
             }
             if (!opt::auto_depl::load)
@@ -167,11 +195,18 @@ int main(int argc, char* argv[])
 
         exit_status = EXIT_FAILURE_SIMU; // =====
 
+        proc_mutex = new mutex_t();
+        proc_cond = new condition_t();
+
         // Launch the MSG simulation.
-        INFO1("Starting simulation at %f...", MSG_get_clock());
+        XBT_INFO("Starting simulation at %f...", MSG_get_clock());
         res = MSG_main();
         simulated_time = MSG_get_clock();
-        INFO1("Simulation ended at %f.", simulated_time);
+        XBT_INFO("Simulation ended at %f.", simulated_time);
+
+        delete proc_cond;
+        delete proc_mutex;
+
         if (res != MSG_OK)
             THROW1(0, 0, "MSG_main() failed with status %#x", res);
 
@@ -181,8 +216,8 @@ int main(int argc, char* argv[])
         int len = strlen(ex.msg);
         if (len > 0 && ex.msg[len - 1] == '\n')
             ex.msg[len - 1] = '\0'; // strip the ending '\n'
-        ERROR1("%s", ex.msg);
-        DEBUG3("Error from %s() in %s:%d", ex.func, ex.file, ex.line);
+        XBT_ERROR("%s", ex.msg);
+        XBT_DEBUG("Error from %s() in %s:%d", ex.func, ex.file, ex.line);
         xbt_ex_free(ex);
     }
 
@@ -190,7 +225,7 @@ int main(int argc, char* argv[])
     hostdata::destroy();
     res = MSG_clean();
     if (res != MSG_OK) {
-        ERROR1("MSG_clean() failed with status %#x", res);
+        XBT_ERROR("MSG_clean() failed with status %#x", res);
         exit_status |= EXIT_FAILURE_CLEAN;
     }
 
@@ -198,18 +233,19 @@ int main(int argc, char* argv[])
     if (simulated_time >= 0.0) {
         simulation_time.stop();
         check_for_lost_load();
-        INFO0(",----[ Results ]");
+        XBT_INFO(",----[ Results ]");
         PR_STATS("Load", loads);
         PR_STATS("Computation", comps);
-        INFO1("| Total simulated time...................: %g", simulated_time);
-        INFO1("| Total simulation time..................: %g",
-              simulation_time.duration());
-        INFO0("`----");
+        XBT_INFO("| Total simulated time...................: %g",
+                 simulated_time);
+        XBT_INFO("| Total simulation time..................: %g",
+                 simulation_time.duration());
+        XBT_INFO("`----");
     }
     if (exit_status)
-        ERROR1("Simulation failed (%#x).", exit_status);
+        XBT_ERROR("Simulation failed (%#x).", exit_status);
     else
-        INFO0("Simulation succeeded.");
+        XBT_INFO("Simulation succeeded.");
 
     return exit_status;
 }