src/msg/instr_msg_task.cpp

   1 /* Copyright (c) 2010, 2012-2017. 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_msg_process_is_enabled())
  52     simgrid::instr::Container::byName(instr_pid(MSG_process_self()))
  53         ->getState("MSG_PROCESS_STATE")
  54         ->pushEvent("task_execute");
  55 }
  56
  57 void TRACE_msg_task_execute_end(msg_task_t task)
  58 {
  59   XBT_DEBUG("EXEC,out %p, %lld, %s", task, task->counter, task->category);
  60
  61   if (TRACE_msg_process_is_enabled())
  62     simgrid::instr::Container::byName(instr_pid(MSG_process_self()))->getState("MSG_PROCESS_STATE")->popEvent();
  63 }
  64
  65 /* MSG_task_destroy related functions */
  66 void TRACE_msg_task_destroy(msg_task_t task)
  67 {
  68   XBT_DEBUG("DESTROY %p, %lld, %s", task, task->counter, task->category);
  69
  70   //free category
  71   xbt_free(task->category);
  72   task->category = nullptr;
  73 }
  74
  75 /* MSG_task_get related functions */
  76 void TRACE_msg_task_get_start()
  77 {
  78   XBT_DEBUG("GET,in");
  79
  80   if (TRACE_msg_process_is_enabled())
  81     simgrid::instr::Container::byName(instr_pid(MSG_process_self()))
  82         ->getState("MSG_PROCESS_STATE")
  83         ->pushEvent("receive");
  84 }
  85
  86 void TRACE_msg_task_get_end(msg_task_t task)
  87 {
  88   XBT_DEBUG("GET,out %p, %lld, %s", task, task->counter, task->category);
  89
  90   if (TRACE_msg_process_is_enabled()){
  91     container_t process_container = simgrid::instr::Container::byName(instr_pid(MSG_process_self()));
  92     process_container->getState("MSG_PROCESS_STATE")->popEvent();
  93
  94     std::string key = std::string("p") + std::to_string(task->counter);
  95     simgrid::instr::Container::getRoot()->getLink("MSG_PROCESS_TASK_LINK")->endEvent(process_container, "SR", key);
  96   }
  97 }
  98
  99 /* MSG_task_put related functions */
 100 int TRACE_msg_task_put_start(msg_task_t task)
 101 {
 102   XBT_DEBUG("PUT,in %p, %lld, %s", task, task->counter, task->category);
 103
 104   if (TRACE_msg_process_is_enabled()){
 105     container_t process_container = simgrid::instr::Container::byName(instr_pid(MSG_process_self()));
 106     process_container->getState("MSG_PROCESS_STATE")->pushEvent("send");
 107
 108     std::string key = std::string("p") + std::to_string(task->counter);
 109     simgrid::instr::Container::getRoot()->getLink("MSG_PROCESS_TASK_LINK")->startEvent(process_container, "SR", key);
 110   }
 111
 112   return 1;
 113 }
 114
 115 void TRACE_msg_task_put_end()
 116 {
 117   XBT_DEBUG("PUT,out");
 118
 119   if (TRACE_msg_process_is_enabled())
 120     simgrid::instr::Container::byName(instr_pid(MSG_process_self()))->getState("MSG_PROCESS_STATE")->popEvent();
 121 }