src/msg/instr_msg_process.cpp

   1 /* Copyright (c) 2010, 2012-2017. The SimGrid Team. All rights reserved.    */
   2
   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. */
   5
   6 #include "simgrid/s4u/Host.hpp"
   7 #include "src/instr/instr_private.hpp"
   8 #include "src/msg/msg_private.hpp"
   9 #include "src/simix/ActorImpl.hpp"
  10 #include <simgrid/actor.h>
  11
  12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_msg_process, instr, "MSG process");
  13
  14 std::string instr_pid(msg_process_t proc)
  15 {
  16   return std::string(proc->getCname()) + "-" + std::to_string(proc->getPid());
  17 }
  18
  19 void TRACE_msg_process_change_host(msg_process_t process, msg_host_t new_host)
  20 {
  21   if (TRACE_actor_is_enabled()) {
  22     static long long int counter = 0;
  23
  24     std::string key = std::to_string(counter);
  25     counter++;
  26
  27     //start link
  28     container_t msg                = simgrid::instr::Container::byName(instr_pid(process));
  29     simgrid::instr::LinkType* link = simgrid::instr::Container::getRoot()->getLink("MSG_PROCESS_LINK");
  30     link->startEvent(msg, "M", key);
  31
  32     //destroy existing container of this process
  33     TRACE_msg_process_destroy(process);
  34
  35     //create new container on the new_host location
  36     TRACE_msg_process_create(process, new_host);
  37
  38     //end link
  39     msg = simgrid::instr::Container::byName(instr_pid(process));
  40     link->endEvent(msg, "M", key);
  41   }
  42 }
  43
  44 void TRACE_msg_process_create(msg_process_t process, msg_host_t host)
  45 {
  46   if (TRACE_actor_is_enabled()) {
  47     container_t host_container = simgrid::instr::Container::byName(host->getName());
  48     new simgrid::instr::Container(instr_pid(process), "MSG_PROCESS", host_container);
  49   }
  50 }
  51
  52 void TRACE_msg_process_destroy(msg_process_t process)
  53 {
  54   if (TRACE_actor_is_enabled()) {
  55     container_t container = simgrid::instr::Container::byNameOrNull(instr_pid(process));
  56     if (container) {
  57       container->removeFromParent();
  58       delete container;
  59     }
  60   }
  61 }
  62
  63 void TRACE_msg_process_kill(smx_process_exit_status_t status, msg_process_t process)
  64 {
  65   if (TRACE_actor_is_enabled() && status == SMX_EXIT_FAILURE) {
  66     //kill means that this process no longer exists, let's destroy it
  67     TRACE_msg_process_destroy(process);
  68   }
  69 }