#include <cerrno>
+#include <cmath>
+#include <csignal>
#include <cstring> // strchr
#include <iostream>
-#include <signal.h>
#include <stdexcept>
#include <msg/msg.h>
#include <xbt/log.h>
-// Don't look at this dirty hack...
-// Delete it when THROWF comes in SG/svn.
-#ifndef THROWF
-#define THROWF(...) THROW1(__VA_ARGS__)
-#endif
-
// Creates log categories
XBT_LOG_NEW_CATEGORY(simu, "Root of simulation messages");
XBT_LOG_NEW_SUBCATEGORY(main, simu, "Messages from global infrastructure");
EXIT_FAILURE_INIT = 0x02, // failed to initialize simulator
EXIT_FAILURE_SIMU = 0x04, // simulation failed
EXIT_FAILURE_CLEAN = 0x08, // error at cleanup
- EXIT_FAILURE_OTHER = 0x10, // other error
+ EXIT_FAILURE_INTR = 0x10, // interrupted by user
+ EXIT_FAILURE_LOAD = 0x20, // lost load on exit
+ EXIT_FAILURE_OTHER = 0x40, // other error
};
// Cannot be globally initialized...
return result;
}
-static void check_for_lost_load()
+static bool check_for_lost_load()
{
+ bool res = true;
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)
+ if (lost_ratio < -opt::load_ratio_threshold) {
XBT_ERROR("Gained load at exit! %g (%g%%) <============",
-lost, -lost_ratio);
- else if (lost_ratio > opt::load_ratio_threshold)
+ res = false;
+ } else if (lost_ratio > opt::load_ratio_threshold) {
XBT_ERROR("Lost load at exit! %g (%g%%) <============",
lost, lost_ratio);
- else
+ res = false;
+ } else
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)
+ if (running_ratio < -opt::load_ratio_threshold) {
XBT_ERROR("Negative running load at exit! %g (%g%%) <============",
total_running, running_ratio);
- else if (running_ratio > opt::load_ratio_threshold)
+ res = false;
+ } else if (running_ratio > opt::load_ratio_threshold) {
XBT_ERROR("Remaining running load at exit! %g (%g%%) <============",
total_running, running_ratio);
- else
+ res = false;
+ } else
XBT_VERB("Running load at exit looks good: %g (%g%%)",
total_running, running_ratio);
+ return res;
}
static void signal_handler(int /*sig*/)
XBT_CRITICAL(">>>>>>>>>>"
" caught CTRL-C: global exit requested "
"<<<<<<<<<<");
- opt::exit_request = true;
+ opt::exit_request = 1;
+ } else {
+ XBT_CRITICAL(">>>>>>>>>>"
+ " caught CTRL-C for the 2nd time: exit immediately "
+ "<<<<<<<<<<");
+ exit(EXIT_FAILURE_INTR);
}
}
action.sa_handler = signal_handler;
sigemptyset(&action.sa_mask);
action.sa_flags = SA_RESTART;
- if (sigaction (SIGINT, &action, NULL) == -1) {
+ if (sigaction(SIGINT, &action, NULL) == -1) {
std::cerr << "sigaction: " << strerror(errno) << "\n";
exit(EXIT_FAILURE_OTHER);
}
// Note: variables used after THROW must be declared as volatile.
volatile int exit_status = 0; // global exit status
volatile double simulated_time = -1.0;
- timestamp simulation_time;
+ timestamp elapsed_time(timestamp::wallclock_time);
+ timestamp simulation_time(timestamp::cpu_time);
xbt_ex_t ex;
MSG_error_t res;
+ elapsed_time.start();
simulation_time.start();
// Set default logging parameters
MSG_create_environment(opt::platform_file.c_str());
XBT_DEBUG("Creating hostdata...");
hostdata::create();
+ XBT_INFO("Loaded description of %zd hosts.", hostdata::size());
XBT_DEBUG("Deploying processes...");
if (opt::auto_depl::enabled) {
if (!opt::auto_depl::nhosts)
opt::auto_depl::nhosts, hostdata::size());
opt::auto_depl::nhosts = hostdata::size();
}
- if (!opt::auto_depl::load)
+ if (opt::auto_depl::load == 0.0) {
+ XBT_WARN("Initial load is zero! "
+ "Falling back on old behaviour (load = nhosts).");
opt::auto_depl::load = opt::auto_depl::nhosts;
+ } else if (opt::auto_depl::load < 0.0)
+ opt::auto_depl::load =
+ -opt::auto_depl::load * opt::auto_depl::nhosts;
+ double iload = trunc(opt::auto_depl::load);
+ if (opt::integer_transfer && opt::auto_depl::load != iload) {
+ XBT_WARN("Total load %g is not an integer. Truncate it.",
+ opt::auto_depl::load);
+ opt::auto_depl::load = iload;
+ }
MY_launch_application(); // it is already opt::* aware...
} else {
MSG_launch_application(opt::deployment_file.c_str());
}
// Register tracing categories
- TRACE_category(TRACE_CAT_COMP);
- TRACE_category(TRACE_CAT_CTRL);
- TRACE_category(TRACE_CAT_DATA);
+ TRACE_category_with_color(TRACE_CAT_COMP, TRACE_COLOR_COMP);
+ TRACE_category_with_color(TRACE_CAT_CTRL, TRACE_COLOR_CTRL);
+ TRACE_category_with_color(TRACE_CAT_DATA, TRACE_COLOR_DATA);
exit_status = EXIT_FAILURE_SIMU; // =====
// Report final simulation status.
if (simulated_time >= 0.0) {
simulation_time.stop();
- check_for_lost_load();
+ elapsed_time.stop();
+ if (!check_for_lost_load())
+ exit_status |= EXIT_FAILURE_LOAD;
XBT_INFO(",----[ Results ]");
PR_STATS("Load", loads);
PR_STATS("Computation", comps);
XBT_INFO("| %.*s: %g", DATA_DESCR_WIDTH,
"Total simulation time.................................",
simulation_time.duration());
+ XBT_INFO("| %.*s: %g", DATA_DESCR_WIDTH,
+ "Elapsed (wall clock) time.............................",
+ elapsed_time.duration());
XBT_INFO("`----");
}
if (exit_status)
