-/* Copyright (c) 2009-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2009-2023. 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 "xbt/str.h"
#include "xbt/log.h"
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
+XBT_LOG_NEW_DEFAULT_CATEGORY(replay_test, "Messages specific for this example");
/* This shows how to extend the trace format by adding a new kind of events.
This function is registered through xbt_replay_action_register() below. */
-static void action_blah(simgrid::xbt::ReplayAction& /*args*/)
+static void action_blah(const simgrid::xbt::ReplayAction& /*args*/)
{
/* Add your answer to the blah event here.
args is a strings array containing the blank-separated parameters found in the trace for this event instance. */
}
-action_fun previous_send;
-static void overriding_send(simgrid::xbt::ReplayAction& args)
-{
- previous_send(args); // Just call the overridden symbol. That's a toy example.
-}
-
int main(int argc, char* argv[])
{
- const char* instance_id = simgrid::s4u::Actor::self()->get_property("instance_id");
- const int rank = xbt_str_parse_int(simgrid::s4u::Actor::self()->get_property("rank"), "Cannot parse rank");
- const char* trace_filename = argv[1];
+ const auto* properties = simgrid::s4u::Actor::self()->get_properties();
+
+ const char* instance_id = properties->at("instance_id").c_str();
+ const int rank = static_cast<int>(xbt_str_parse_int(properties->at("rank").c_str(), "Cannot parse rank"));
+ const char* shared_trace =
+ simgrid::s4u::Actor::self()->get_property("tracefile"); // Cannot use properties because this can be nullptr
+ const char* private_trace = argv[1];
double start_delay_flops = 0;
if (argc > 2) {
/* Connect your callback function to the "blah" event in the trace files */
xbt_replay_action_register("blah", action_blah);
- /* The send action is an override, so we have to first save its previous value in a global */
+ /* The send action is an override, so we could have saved its previous value in a global, or use a lambda capture like
+ * in the following */
int new_rank;
MPI_Comm_rank(MPI_COMM_WORLD, &new_rank);
if (new_rank != rank)
XBT_WARN("Rank inconsistency. Got %d, expected %d", new_rank, rank);
if (rank == 0) {
- previous_send = xbt_replay_action_get("send");
- xbt_replay_action_register("send", overriding_send);
+ auto previous_send = xbt_replay_action_get("send");
+ xbt_replay_action_register("send", [previous_send](simgrid::xbt::ReplayAction& args) {
+ previous_send(args); // Just call the overridden symbol. That's a toy example.
+ });
}
/* The regular run of the replayer */
- smpi_replay_main(rank, trace_filename);
+ if (shared_trace != nullptr)
+ xbt_replay_set_tracefile(shared_trace);
+ smpi_replay_main(rank, private_trace);
return 0;
}