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     container_t process_container = simgrid::instr::Container::byName(instr_process_id(MSG_process_self()));
  53     simgrid::instr::Type* state   = process_container->type_->byName("MSG_PROCESS_STATE");
  54     simgrid::instr::Value* val    = state->getEntityValue("task_execute");
  55     new simgrid::instr::PushStateEvent(MSG_get_clock(), process_container, state, val);
  56   }
  57 }
  58
  59 void TRACE_msg_task_execute_end(msg_task_t task)
  60 {
  61   XBT_DEBUG("EXEC,out %p, %lld, %s", task, task->counter, task->category);
  62
  63   if (TRACE_msg_process_is_enabled()){
  64     container_t process_container = simgrid::instr::Container::byName(instr_process_id(MSG_process_self()));
  65     simgrid::instr::Type* type    = process_container->type_->byName("MSG_PROCESS_STATE");
  66     new simgrid::instr::PopStateEvent(MSG_get_clock(), process_container, type);
  67   }
  68 }
  69
  70 /* MSG_task_destroy related functions */
  71 void TRACE_msg_task_destroy(msg_task_t task)
  72 {
  73   XBT_DEBUG("DESTROY %p, %lld, %s", task, task->counter, task->category);
  74
  75   //free category
  76   xbt_free(task->category);
  77   task->category = nullptr;
  78 }
  79
  80 /* MSG_task_get related functions */
  81 void TRACE_msg_task_get_start()
  82 {
  83   XBT_DEBUG("GET,in");
  84
  85   if (TRACE_msg_process_is_enabled()){
  86     container_t process_container = simgrid::instr::Container::byName(instr_process_id(MSG_process_self()));
  87     simgrid::instr::Type* state   = process_container->type_->byName("MSG_PROCESS_STATE");
  88     simgrid::instr::Value* val    = state->getEntityValue("receive");
  89     new simgrid::instr::PushStateEvent(MSG_get_clock(), process_container, state, val);
  90   }
  91 }
  92
  93 void TRACE_msg_task_get_end(double start_time, msg_task_t task)
  94 {
  95   XBT_DEBUG("GET,out %p, %lld, %s", task, task->counter, task->category);
  96
  97   if (TRACE_msg_process_is_enabled()){
  98     container_t process_container = simgrid::instr::Container::byName(instr_process_id(MSG_process_self()));
  99     simgrid::instr::Type* type    = process_container->type_->byName("MSG_PROCESS_STATE");
 100     new simgrid::instr::PopStateEvent(MSG_get_clock(), process_container, type);
 101
 102     std::string key = std::string("p") + std::to_string(task->counter);
 103     type = simgrid::instr::Type::getRootType()->byName("MSG_PROCESS_TASK_LINK");
 104     new simgrid::instr::EndLinkEvent(MSG_get_clock(), PJ_container_get_root(), type, process_container, "SR", key);
 105   }
 106 }
 107
 108 /* MSG_task_put related functions */
 109 int TRACE_msg_task_put_start(msg_task_t task)
 110 {
 111   XBT_DEBUG("PUT,in %p, %lld, %s", task, task->counter, task->category);
 112
 113   if (TRACE_msg_process_is_enabled()){
 114     container_t process_container = simgrid::instr::Container::byName(instr_process_id(MSG_process_self()));
 115     simgrid::instr::Type* type    = process_container->type_->byName("MSG_PROCESS_STATE");
 116     simgrid::instr::Value* val    = type->getEntityValue("send");
 117     new simgrid::instr::PushStateEvent(MSG_get_clock(), process_container, type, val);
 118
 119     std::string key = std::string("p") + std::to_string(task->counter);
 120     type = simgrid::instr::Type::getRootType()->byName("MSG_PROCESS_TASK_LINK");
 121     new simgrid::instr::StartLinkEvent(MSG_get_clock(), PJ_container_get_root(), type, process_container, "SR", key);
 122   }
 123
 124   return 1;
 125 }
 126
 127 void TRACE_msg_task_put_end()
 128 {
 129   XBT_DEBUG("PUT,out");
 130
 131   if (TRACE_msg_process_is_enabled()){
 132     container_t process_container = simgrid::instr::Container::byName(instr_process_id(MSG_process_self()));
 133     simgrid::instr::Type* type    = process_container->type_->byName("MSG_PROCESS_STATE");
 134     new simgrid::instr::PopStateEvent(MSG_get_clock(), process_container, type);
 135   }
 136 }