src/msg/instr_msg_task.cpp

   1 /* Copyright (c) 2010-2019. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include "mc/mc.h"
   8 #include "src/instr/instr_private.hpp"
   9 #include "src/msg/msg_private.hpp"
  10
  11 #include <atomic>
  12
  13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(instr_msg, instr, "MSG instrumentation");
  14
  15 void TRACE_msg_set_task_category(msg_task_t task, const char *category)
  16 {
  17   xbt_assert(task->category == nullptr, "Task %p(%s) already has a category (%s).",
  18       task, task->name, task->category);
  19
  20   //if user provides a nullptr category, task is no longer traced
  21   if (category == nullptr) {
  22     xbt_free (task->category);
  23     task->category = nullptr;
  24     XBT_DEBUG("MSG task %p(%s), category removed", task, task->name);
  25     return;
  26   }
  27
  28   //set task category
  29   task->category = xbt_strdup (category);
  30   XBT_DEBUG("MSG task %p(%s), category %s", task, task->name, task->category);
  31 }
  32
  33 /* MSG_task_create related function*/
  34 void TRACE_msg_task_create(msg_task_t task)
  35 {
  36   static std::atomic_ullong counter{0};
  37   task->counter = counter++;
  38   task->category = nullptr;
  39
  40   if(MC_is_active())
  41     MC_ignore_heap(&(task->counter), sizeof(task->counter));
  42
  43   XBT_DEBUG("CREATE %p, %lld", task, task->counter);
  44 }
  45
  46 /* MSG_task_execute related functions */
  47 void TRACE_msg_task_execute_start(msg_task_t task)
  48 {
  49   XBT_DEBUG("EXEC,in %p, %lld, %s", task, task->counter, task->category);
  50
  51   if (TRACE_actor_is_enabled())
  52     simgrid::instr::Container::by_name(instr_pid(MSG_process_self()))->get_state("ACTOR_STATE")->push_event("execute");
  53 }
  54
  55 void TRACE_msg_task_execute_end(msg_task_t task)
  56 {
  57   XBT_DEBUG("EXEC,out %p, %lld, %s", task, task->counter, task->category);
  58
  59   if (TRACE_actor_is_enabled())
  60     simgrid::instr::Container::by_name(instr_pid(MSG_process_self()))->get_state("ACTOR_STATE")->pop_event();
  61 }
  62
  63 /* MSG_task_destroy related functions */
  64 void TRACE_msg_task_destroy(msg_task_t task)
  65 {
  66   XBT_DEBUG("DESTROY %p, %lld, %s", task, task->counter, task->category);
  67
  68   //free category
  69   xbt_free(task->category);
  70   task->category = nullptr;
  71 }
  72
  73 /* MSG_task_get related functions */
  74 void TRACE_msg_task_get_start()
  75 {
  76   XBT_DEBUG("GET,in");
  77
  78   if (TRACE_actor_is_enabled())
  79     simgrid::instr::Container::by_name(instr_pid(MSG_process_self()))->get_state("ACTOR_STATE")->push_event("receive");
  80 }
  81
  82 void TRACE_msg_task_get_end(msg_task_t task)
  83 {
  84   XBT_DEBUG("GET,out %p, %lld, %s", task, task->counter, task->category);
  85
  86   if (TRACE_actor_is_enabled()) {
  87     container_t process_container = simgrid::instr::Container::by_name(instr_pid(MSG_process_self()));
  88     process_container->get_state("ACTOR_STATE")->pop_event();
  89
  90     std::string key = std::string("p") + std::to_string(task->counter);
  91     simgrid::instr::Container::get_root()->get_link("ACTOR_TASK_LINK")->end_event(process_container, "SR", key);
  92   }
  93 }
  94
  95 /* MSG_task_put related functions */
  96 void TRACE_msg_task_put_start(msg_task_t task)
  97 {
  98   XBT_DEBUG("PUT,in %p, %lld, %s", task, task->counter, task->category);
  99
 100   if (TRACE_actor_is_enabled()) {
 101     container_t process_container = simgrid::instr::Container::by_name(instr_pid(MSG_process_self()));
 102     process_container->get_state("ACTOR_STATE")->push_event("send");
 103
 104     std::string key = std::string("p") + std::to_string(task->counter);
 105     simgrid::instr::Container::get_root()->get_link("ACTOR_TASK_LINK")->start_event(process_container, "SR", key);
 106   }
 107 }
 108
 109 void TRACE_msg_task_put_end()
 110 {
 111   XBT_DEBUG("PUT,out");
 112
 113   if (TRACE_actor_is_enabled())
 114     simgrid::instr::Container::by_name(instr_pid(MSG_process_self()))->get_state("ACTOR_STATE")->pop_event();
 115 }