1 /* Copyright (c) 2009-2017. 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"
9 /* This shows how to extend the trace format by adding a new kind of events.
10 This function is registered through xbt_replay_action_register() below. */
11 static void action_blah(const char* const* args)
13 /* Add your answer to the blah event here.
14 args is a strings array containing the blank-separated parameters found in the trace for this event instance. */
17 action_fun previous_send;
18 static void overriding_send(const char* const* args)
20 (*previous_send)(args); // Just call the overriden symbol. That's a toy example.
23 int main(int argc, char *argv[]) {
24 /* Setup things and register default actions */
25 smpi_replay_init(&argc, &argv);
27 /* Connect your callback function to the "blah" event in the trace files */
28 xbt_replay_action_register("blah", action_blah);
30 /* The send action is an override, so we have to first save its previous value in a global */
32 MPI_Comm_rank(MPI_COMM_WORLD, &rank);
34 previous_send = xbt_replay_action_get("send");
35 xbt_replay_action_register("send", overriding_send);
37 /* The regular run of the replayer */
38 smpi_replay_main(&argc, &argv);