X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/24e61efe45a934cfb33e730f1b696179953449c5..effadf994078b5f7bbc589d3ac0ba2aae8aaa59f:/doc/doxygen/options.doc

diff --git a/doc/doxygen/options.doc b/doc/doxygen/options.doc
index 876a36d916..dff9c9c7ed 100644
--- a/doc/doxygen/options.doc
+++ b/doc/doxygen/options.doc
@@ -1,5 +1,16 @@
 /*! \page options Configure SimGrid
 
+\htmlonly
+<div align="center">
+\endhtmlonly
+\htmlinclude graphical-toc.svg
+\htmlonly
+</div>
+<script>
+document.getElementById("Config").style="opacity:0.93999999;fill:#ff0000;fill-opacity:0.1;stroke:#000000;stroke-width:0.35277778;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1";
+</script>
+\endhtmlonly
+
 A number of options can be given at runtime to change the default
 SimGrid behavior. For a complete list of all configuration options
 accepted by the SimGrid version used in your simulator, simply pass
@@ -119,6 +130,8 @@ int main(int argc, char *argv[]) {
 - \c path: \ref options_generic_path
 - \c plugin: \ref options_generic_plugin
 
+- \c simix/breakpoint: \ref options_generic_breakpoint
+
 - \c storage/max_file_descriptors: \ref option_model_storage_maxfd
 
 - \c surf/precision: \ref options_model_precision
@@ -189,8 +202,8 @@ described in
 <a href="http://mescal.imag.fr/membres/arnaud.legrand/articles/simutools09.pdf">Accuracy Study and Improvement of Network Simulation in the SimGrid Framework</a>.
 
   - \b LV08 (default one): Realistic network analytic model
-    (slow-start modeled by multiplying latency by 10.4, bandwidth by
-    .92; bottleneck sharing uses a payload of S=8775 for evaluating RTT)
+    (slow-start modeled by multiplying latency by 13.01, bandwidth by
+    .97; bottleneck sharing uses a payload of S=20537 for evaluating RTT)
   - \anchor options_model_select_network_constant \b Constant: Simplistic network model where all communication
     take a constant time (one second). This model provides the lowest
     realism, but is (marginally) faster.
@@ -654,7 +667,7 @@ the slowest to the most efficient:
  - \b ucontext: fast factory using System V contexts (Linux and FreeBSD only)
  - \b boost: This uses the [context implementation](http://www.boost.org/doc/libs/1_59_0/libs/context/doc/html/index.html)
    of the boost library for a performance that is comparable to our
-   raw implementation.\nInstall the relevant library (e.g. with the
+   raw implementation.\n Install the relevant library (e.g. with the
    libboost-contexts-dev package on Debian/Ubuntu) and recompile
    SimGrid. Note that our implementation is not compatible with recent
    implementations of the library, and it will be hard to fix this since
@@ -1253,6 +1266,23 @@ item several times, as in \verbatim
 --cfg=path:toto --cfg=path:tutu
 \endverbatim
 
+\subsection options_generic_breakpoint Set a breakpoint
+
+\verbatim
+--cfg=simix/breakpoint:3.1416
+\endverbatim
+
+This configuration option sets a breakpoint: when the simulated clock reaches
+the given time, a SIGTRAP is raised.  This can be used to stop the execution and
+get a backtrace with a debugger.
+
+It is also possible to set the breakpoint from inside the debugger, by writing
+in global variable simgrid::simix::breakpoint. For example, with gdb:
+
+\verbatim
+set variable simgrid::simix::breakpoint = 3.1416
+\endverbatim
+
 \subsection options_generic_exit Behavior on Ctrl-C
 
 By default, when Ctrl-C is pressed, the status of all existing