1 /* Copyright (c) 2009-2020. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "xbt/replay.hpp"
7 #include "simgrid/s4u/Actor.hpp"
9 #include "xbt/asserts.h"
13 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
15 /* This shows how to extend the trace format by adding a new kind of events.
16 This function is registered through xbt_replay_action_register() below. */
17 static void action_blah(const simgrid::xbt::ReplayAction& /*args*/)
19 /* Add your answer to the blah event here.
20 args is a strings array containing the blank-separated parameters found in the trace for this event instance. */
23 action_fun previous_send;
24 static void overriding_send(simgrid::xbt::ReplayAction& args)
26 previous_send(args); // Just call the overridden symbol. That's a toy example.
29 int main(int argc, char* argv[])
31 const char* instance_id = simgrid::s4u::Actor::self()->get_property("instance_id");
33 static_cast<int>(xbt_str_parse_int(simgrid::s4u::Actor::self()->get_property("rank"), "Cannot parse rank"));
34 const char* trace_filename = argv[1];
35 double start_delay_flops = 0;
38 start_delay_flops = xbt_str_parse_double(argv[2], "Cannot parse start_delay_flops");
41 /* Setup things and register default actions */
42 smpi_replay_init(instance_id, rank, start_delay_flops);
44 /* Connect your callback function to the "blah" event in the trace files */
45 xbt_replay_action_register("blah", action_blah);
47 /* The send action is an override, so we have to first save its previous value in a global */
49 MPI_Comm_rank(MPI_COMM_WORLD, &new_rank);
51 XBT_WARN("Rank inconsistency. Got %d, expected %d", new_rank, rank);
53 previous_send = xbt_replay_action_get("send");
54 xbt_replay_action_register("send", overriding_send);
56 /* The regular run of the replayer */
57 smpi_replay_main(rank, trace_filename);