X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/72d32c4e88a57f4786f62fec48a1bfa454adbff9..967d9394b584d0ccc87d801d96d4d240f4555187:/src/xbt/backtrace.cpp

diff --git a/src/xbt/backtrace.cpp b/src/xbt/backtrace.cpp
index bead6583cc..4914d2b0b1 100644
--- a/src/xbt/backtrace.cpp
+++ b/src/xbt/backtrace.cpp
@@ -1,14 +1,15 @@
-/* Copyright (c) 2005-2022. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2005-2023. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "src/internal_config.h"
 
+#include <simgrid/actor.h>
+#include <simgrid/s4u/Actor.hpp>
 #include <xbt/backtrace.hpp>
 #include <xbt/string.hpp>
 #include <xbt/sysdep.h>
-#include <xbt/virtu.h>
 
 #include <cstdio>
 #include <cstdlib>
@@ -50,7 +51,19 @@ public:
         if (frame_name.rfind("simgrid::xbt::MainFunction", 0) == 0 ||
             frame_name.rfind("simgrid::kernel::context::Context::operator()()", 0) == 0)
           break;
-        ss << "  ->  " << frame_count++ << "# " << frame << "\n";
+        ss << "  ->  #" << frame_count++ << " ";
+        if (xbt_log_no_loc) // Don't display file source and line if so
+          ss << (frame_name.empty() ? "(debug info not found and log:no_loc activated)" : frame_name) << "\n";
+        else
+          ss << frame << "\n";
+        // If we are displaying the user side of a simcall, remove the crude details of context switching
+        if (frame_name.find("simgrid::kernel::actor::simcall_answered") != std::string::npos ||
+            frame_name.find("simgrid::kernel::actor::simcall_blocking") != std::string::npos ||
+            frame_name.find("simcall_run_answered") != std::string::npos ||
+            frame_name.find("simcall_run_blocking") != std::string::npos) {
+          frame_count = 0;
+          ss.str(""); // This is how you clear a stringstream in C++. clear() is something else :'(
+        }
         if (frame_name == "main")
           break;
       } else {
@@ -78,7 +91,9 @@ std::string Backtrace::resolve() const
 void Backtrace::display() const
 {
   std::string backtrace = resolve();
-  std::fprintf(stderr, "Backtrace (displayed in actor %s):\n%s\n", xbt_procname(),
+  std::fprintf(stderr, "Backtrace (displayed in actor %s%s):\n%s\n",
+               simgrid::s4u::Actor::is_maestro() ? "maestro" : sg_actor_self_get_name(),
+               (xbt_log_no_loc ? " -- short trace because of --log=no_loc" : ""),
                backtrace.empty() ? "(backtrace not set -- did you install Boost.Stacktrace?)" : backtrace.c_str());
 }