cosmetics

[simgrid.git] / src / instr / instr_config.cpp

diff --git a/src/instr/instr_config.cpp b/src/instr/instr_config.cpp
index c8c2ea0..a1fe6b2 100644 (file)
--- a/src/instr/instr_config.cpp
+++ b/src/instr/instr_config.cpp
@@ -4,14 +4,19 @@
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "include/xbt/config.hpp"
+#include "simgrid/s4u/Engine.hpp"
 #include "src/instr/instr_private.hpp"
 #include "surf/surf.hpp"
+#include "xbt/virtu.h" /* sg_cmdline */
+#include <fstream>
 #include <string>
 #include <vector>
 
 XBT_LOG_NEW_CATEGORY(instr, "Logging the behavior of the tracing system (used for Visualization/Analysis of simulations)");
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_config, instr, "Configuration");
 
+std::ofstream tracing_file;
+
 #define OPT_TRACING_BASIC                "tracing/basic"
 #define OPT_TRACING_BUFFER               "tracing/buffer"
 #define OPT_TRACING_CATEGORIZED          "tracing/categorized"
@@ -75,7 +80,7 @@ static bool trace_active     = false;
 
 simgrid::instr::TraceFormat simgrid::instr::trace_format = simgrid::instr::TraceFormat::Paje;
 
-void TRACE_start()
+static void TRACE_start()
 {
   if (trace_active)
     return;
@@ -88,25 +93,49 @@ void TRACE_start()
 
     XBT_DEBUG("Tracing starts");
     /* init the tracing module to generate the right output */
-
-    /* open the trace file(s) */
     std::string format = simgrid::config::get_value<std::string>(OPT_TRACING_FORMAT);
     XBT_DEBUG("Tracing format %s", format.c_str());
+
+    /* open the trace file(s) */
+    std::string filename = TRACE_get_filename();
+    tracing_file.open(filename.c_str(), std::ofstream::out);
+    if (tracing_file.fail()) {
+      THROWF(system_error, 1, "Tracefile %s could not be opened for writing.", filename.c_str());
+    }
+
+    XBT_DEBUG("Filename %s is open for writing", filename.c_str());
+
     if (format == "Paje") {
-      TRACE_paje_start();
-    } else if (format == "TI") {
-      simgrid::instr::trace_format = simgrid::instr::TraceFormat::Ti;
-      TRACE_TI_start();
-    }else{
-      xbt_die("Unknown trace format :%s ", format.c_str());
+      /* output generator version */
+      tracing_file << "#This file was generated using SimGrid-" << SIMGRID_VERSION_MAJOR << "." << SIMGRID_VERSION_MINOR
+                   << "." << SIMGRID_VERSION_PATCH << std::endl;
+      tracing_file << "#[";
+      unsigned int cpt;
+      char* str;
+      xbt_dynar_foreach (xbt_cmdline, cpt, str) {
+        tracing_file << str << " ";
+      }
+      tracing_file << "]" << std::endl;
     }
 
+    /* output one line comment */
+    dump_comment(simgrid::config::get_value<std::string>(OPT_TRACING_COMMENT));
+
+    /* output comment file */
+    dump_comment_file(simgrid::config::get_value<std::string>(OPT_TRACING_COMMENT_FILE));
+
+    if (format == "Paje") {
+      /* output Pajé header */
+      TRACE_header(TRACE_basic(), TRACE_display_sizes());
+    } else
+      simgrid::instr::trace_format = simgrid::instr::TraceFormat::Ti;
+
     trace_active = true;
     XBT_DEBUG("Tracing is on");
   }
 }
 
-void TRACE_end()
+static void TRACE_end()
 {
   if (not trace_active)
     return;
@@ -115,21 +144,14 @@ void TRACE_end()
   TRACE_last_timestamp_to_dump = surf_get_clock();
   TRACE_paje_dump_buffer(true);
 
-  simgrid::instr::Type* root_type = simgrid::instr::Container::getRoot()->type_;
+  simgrid::instr::Type* root_type = simgrid::instr::Container::get_root()->type_;
   /* destroy all data structures of tracing (and free) */
-  delete simgrid::instr::Container::getRoot();
+  delete simgrid::instr::Container::get_root();
   delete root_type;
 
   /* close the trace files */
-  std::string format = simgrid::config::get_value<std::string>(OPT_TRACING_FORMAT);
-  XBT_DEBUG("Tracing format %s\n", format.c_str());
-  if (format == "Paje") {
-    TRACE_paje_end();
-  } else if (format == "TI") {
-    TRACE_TI_end();
-  } else {
-    xbt_die("Unknown trace format :%s ", format.c_str());
-  }
+  tracing_file.close();
+  XBT_DEBUG("Filename %s is closed", TRACE_get_filename().c_str());
 
   /* de-activate trace */
   trace_active = false;
@@ -233,16 +255,6 @@ bool TRACE_display_sizes ()
   return trace_display_sizes && trace_smpi_enabled && trace_enabled;
 }
 
-std::string TRACE_get_comment()
-{
-  return simgrid::config::get_value<std::string>(OPT_TRACING_COMMENT);
-}
-
-std::string TRACE_get_comment_file()
-{
-  return simgrid::config::get_value<std::string>(OPT_TRACING_COMMENT_FILE);
-}
-
 int TRACE_precision ()
 {
   return simgrid::config::get_value<int>(OPT_TRACING_PRECISION);
@@ -260,6 +272,7 @@ void TRACE_global_init()
     return;
 
   is_initialised = true;
+
   /* name of the tracefile */
   simgrid::config::declare_flag<std::string>(OPT_TRACING_FILENAME, "Trace file created by the instrumented SimGrid.",
                                              "simgrid.trace");
@@ -276,6 +289,11 @@ void TRACE_global_init()
   simgrid::config::declare_flag<int>(OPT_TRACING_PRECISION, "Numerical precision used when timestamping events "
                                                             "(expressed in number of digits after decimal point)",
                                      6);
+
+  /* Connect callbacks */
+  simgrid::s4u::on_platform_creation.connect(TRACE_start);
+  simgrid::s4u::on_deadlock.connect(TRACE_end);
+  simgrid::s4u::on_simulation_end.connect(TRACE_end);
 }
 
 static void print_line (const char *option, const char *desc, const char *longdesc, int detailed)