#include "src/mc/explo/Exploration.hpp"
#include "src/mc/mc_config.hpp"
+#include "src/mc/mc_environ.h"
#include "src/mc/mc_exit.hpp"
#include "src/mc/mc_private.hpp"
-#include "src/mc/sosp/RemoteProcessMemory.hpp"
+#include "xbt/string.hpp"
#include <sys/wait.h>
Exploration* Exploration::instance_ = nullptr; // singleton instance
-Exploration::Exploration(const std::vector<char*>& args, bool need_memory_introspection)
- : remote_app_(std::make_unique<RemoteApp>(args, need_memory_introspection))
+Exploration::Exploration(const std::vector<char*>& args) : remote_app_(std::make_unique<RemoteApp>(args))
{
xbt_assert(instance_ == nullptr, "Cannot have more than one exploration instance");
instance_ = this;
dot_output("}\n");
fclose(dot_output_);
}
- if (getenv("SIMGRID_MC_SYSTEM_STATISTICS")) {
+ if (getenv(MC_ENV_SYSTEM_STATISTICS)) {
int ret = system("free");
if (ret != 0)
XBT_WARN("Call to system(free) did not return 0, but %d", ret);
}
}
+// Make our tests fully reproducible despite the subtle differences of strsignal() across archs
+static const char* signal_name(int status)
+{
+ switch (WTERMSIG(status)) {
+ case SIGABRT: // FreeBSD uses "Abort trap" as a strsignal for SIGABRT
+ return "Aborted";
+ case SIGSEGV: // MacOSX uses "Segmentation fault: 11" for SIGKILL
+ return "Segmentation fault";
+ default:
+ return strsignal(WTERMSIG(status));
+ }
+}
+
+std::vector<std::string> Exploration::get_textual_trace(int max_elements)
+{
+ std::vector<std::string> trace;
+ for (auto const& transition : get_record_trace()) {
+ auto const& call_location = transition->get_call_location();
+ if (not call_location.empty())
+ trace.push_back(xbt::string_printf("Actor %ld in %s ==> simcall: %s", transition->aid_, call_location.c_str(),
+ transition->to_string().c_str()));
+ else
+ trace.push_back(xbt::string_printf("Actor %ld in simcall %s", transition->aid_, transition->to_string().c_str()));
+ max_elements--;
+ if (max_elements == 0)
+ break;
+ }
+ return trace;
+}
XBT_ATTRIB_NORETURN void Exploration::report_crash(int status)
{
XBT_INFO("** CRASH IN THE PROGRAM **");
XBT_INFO("**************************");
if (WIFSIGNALED(status))
- XBT_INFO("From signal: %s", strsignal(WTERMSIG(status)));
+ XBT_INFO("From signal: %s", signal_name(status));
else if (WIFEXITED(status))
XBT_INFO("From exit: %i", WEXITSTATUS(status));
if (not xbt_log_no_loc)
"--cfg=model-check/replay:'%s'",
get_record_trace().to_string().c_str());
log_state();
- if (xbt_log_no_loc) {
- XBT_INFO("Stack trace not displayed because you passed --log=no_loc");
- } else {
- const auto* memory = get_remote_app().get_remote_process_memory();
- if (memory) {
- XBT_INFO("Stack trace:");
- memory->dump_stack();
- } else {
- XBT_INFO("Stack trace not shown because there is no memory introspection.");
- }
- }
- system_exit(SIMGRID_MC_EXIT_PROGRAM_CRASH);
+ throw McError(ExitStatus::PROGRAM_CRASH);
}
XBT_ATTRIB_NORETURN void Exploration::report_assertion_failure()
{
"--cfg=model-check/replay:'%s'",
get_record_trace().to_string().c_str());
log_state();
- system_exit(SIMGRID_MC_EXIT_SAFETY);
-}
-
-void Exploration::system_exit(int status) const
-{
- ::exit(status);
+ throw McError(ExitStatus::SAFETY);
}
}; // namespace simgrid::mc