src/instr/instr_platform.cpp

   1 /* Copyright (c) 2010-2023. 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/kernel/routing/NetPoint.hpp>
   7 #include <simgrid/kernel/routing/NetZoneImpl.hpp>
   8 #include <simgrid/s4u/Actor.hpp>
   9 #include <simgrid/s4u/Comm.hpp>
  10 #include <simgrid/s4u/Engine.hpp>
  11 #include <simgrid/s4u/Exec.hpp>
  12 #include <simgrid/s4u/Host.hpp>
  13 #include <simgrid/s4u/VirtualMachine.hpp>
  14 #include <xbt/graph.h>
  15
  16 #include "src/instr/instr_private.hpp"
  17 #include "src/kernel/resource/CpuImpl.hpp"
  18 #include "src/kernel/resource/NetworkModel.hpp"
  19
  20 #include <fstream>
  21
  22 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(instr_routing, instr, "Tracing platform hierarchy");
  23
  24 std::string instr_pid(simgrid::s4u::Actor const& proc)
  25 {
  26   return proc.get_name() + "-" + std::to_string(proc.get_pid());
  27 }
  28
  29 static simgrid::instr::Container* lowestCommonAncestor(const simgrid::instr::Container* a1,
  30                                                        const simgrid::instr::Container* a2)
  31 {
  32   // this is only an optimization (since most of a1 and a2 share the same parent)
  33   if (a1->get_parent() == a2->get_parent())
  34     return a1->get_parent();
  35
  36   // create an array with all ancestors of a1
  37   std::vector<simgrid::instr::Container*> ancestors_a1;
  38   for (auto* p = a1->get_parent(); p != nullptr; p = p->get_parent())
  39     ancestors_a1.push_back(p);
  40
  41   // create an array with all ancestors of a2
  42   std::vector<simgrid::instr::Container*> ancestors_a2;
  43   for (auto* p = a2->get_parent(); p != nullptr; p = p->get_parent())
  44     ancestors_a2.push_back(p);
  45
  46   // find the lowest ancestor
  47   simgrid::instr::Container* p = nullptr;
  48   int i = static_cast<int>(ancestors_a1.size()) - 1;
  49   int j = static_cast<int>(ancestors_a2.size()) - 1;
  50   while (i >= 0 && j >= 0) {
  51     simgrid::instr::Container* a1p       = ancestors_a1.at(i);
  52     if (a1p != ancestors_a2.at(j))
  53       break;
  54     p = a1p;
  55     i--;
  56     j--;
  57   }
  58   return p;
  59 }
  60
  61 static void linkContainers(simgrid::instr::Container* src, simgrid::instr::Container* dst,
  62                            std::set<std::string, std::less<>>* filter)
  63 {
  64   // ignore loopback
  65   if (src->get_name() == "__loopback__" || dst->get_name() == "__loopback__") {
  66     XBT_DEBUG("  linkContainers: ignoring loopback link");
  67     return;
  68   }
  69
  70   // find common parent
  71   simgrid::instr::Container* parent = lowestCommonAncestor(src, dst);
  72   xbt_assert(parent, "common parent unknown, this is a tracing problem");
  73
  74   // check if we already register this pair (we only need one direction)
  75   std::string aux1 = src->get_name() + dst->get_name();
  76   std::string aux2 = dst->get_name() + src->get_name();
  77   if (filter->find(aux1) != filter->end()) {
  78     XBT_DEBUG("  linkContainers: already registered %s <-> %s (1)", src->get_cname(), dst->get_cname());
  79     return;
  80   }
  81   if (filter->find(aux2) != filter->end()) {
  82     XBT_DEBUG("  linkContainers: already registered %s <-> %s (2)", dst->get_cname(), src->get_cname());
  83     return;
  84   }
  85
  86   // ok, not found, register it
  87   filter->insert(aux1);
  88   filter->insert(aux2);
  89
  90   // declare type
  91   std::string link_typename = parent->get_type()->get_name() + "-" + src->get_type()->get_name() +
  92                               std::to_string(src->get_type()->get_id()) + "-" + dst->get_type()->get_name() +
  93                               std::to_string(dst->get_type()->get_id());
  94   simgrid::instr::LinkType* link =
  95       parent->get_type()->by_name_or_create(link_typename, src->get_type(), dst->get_type());
  96   link->set_calling_container(parent);
  97
  98   // create the link
  99   static long long counter = 0;
 100
 101   std::string key = std::to_string(counter);
 102   counter++;
 103
 104   link->start_event(src, "topology", key);
 105   link->end_event(dst, "topology", key);
 106
 107   XBT_DEBUG("  linkContainers %s <-> %s", src->get_cname(), dst->get_cname());
 108 }
 109
 110 static void recursiveGraphExtraction(const simgrid::s4u::NetZone* netzone, const simgrid::instr::Container* container,
 111                                      std::set<std::string, std::less<>>* filter)
 112 {
 113   if (not TRACE_platform_topology()) {
 114     XBT_DEBUG("Graph extraction disabled by user.");
 115     return;
 116   }
 117   XBT_DEBUG("Graph extraction for NetZone = %s", netzone->get_cname());
 118
 119   // bottom-up recursion
 120   for (auto const& nz_son : netzone->get_children()) {
 121     const simgrid::instr::Container* child_container = container->get_child_by_name(nz_son->get_name());
 122     recursiveGraphExtraction(nz_son, child_container, filter);
 123   }
 124
 125   auto* graph = xbt_graph_new_graph(0, nullptr);
 126   std::map<std::string, xbt_node_t, std::less<>> nodes;
 127   std::map<std::string, xbt_edge_t, std::less<>> edges;
 128
 129   netzone->get_impl()->get_graph(graph, &nodes, &edges);
 130   for (auto const& [_, edge] : edges) {
 131     linkContainers(simgrid::instr::Container::by_name(static_cast<const char*>(edge->src->data)),
 132                    simgrid::instr::Container::by_name(static_cast<const char*>(edge->dst->data)), filter);
 133   }
 134   xbt_graph_free_graph(graph, xbt_free_f, xbt_free_f, nullptr);
 135 }
 136
 137 /*
 138  * user categories support
 139  */
 140 static void recursiveNewVariableType(const std::string& new_typename, const std::string& color,
 141                                      simgrid::instr::Type* root)
 142 {
 143   if (root->get_name() == "HOST" || root->get_name() == "VM")
 144     root->by_name_or_create("p" + new_typename, color);
 145
 146   if (root->get_name() == "LINK")
 147     root->by_name_or_create("b" + new_typename, color);
 148
 149   for (auto const& [_, child] : root->get_children()) {
 150     recursiveNewVariableType(new_typename, color, child.get());
 151   }
 152 }
 153
 154 void instr_new_variable_type(const std::string& new_typename, const std::string& color)
 155 {
 156   recursiveNewVariableType(new_typename, color, simgrid::instr::Container::get_root()->get_type());
 157 }
 158
 159 static void recursiveNewUserVariableType(const std::string& parent_type, const std::string& new_typename,
 160                                          const std::string& color, simgrid::instr::Type* root)
 161 {
 162   if (root->get_name() == parent_type) {
 163     root->by_name_or_create(new_typename, color);
 164   }
 165   for (auto const& [_, child] : root->get_children())
 166     recursiveNewUserVariableType(parent_type, new_typename, color, child.get());
 167 }
 168
 169 void instr_new_user_variable_type(const std::string& parent_type, const std::string& new_typename,
 170                                   const std::string& color)
 171 {
 172   recursiveNewUserVariableType(parent_type, new_typename, color, simgrid::instr::Container::get_root()->get_type());
 173 }
 174
 175 static void recursiveNewUserStateType(const std::string& parent_type, const std::string& new_typename,
 176                                       simgrid::instr::Type* root)
 177 {
 178   if (root->get_name() == parent_type)
 179     root->by_name_or_create<simgrid::instr::StateType>(new_typename);
 180
 181   for (auto const& [_, child] : root->get_children())
 182     recursiveNewUserStateType(parent_type, new_typename, child.get());
 183 }
 184
 185 void instr_new_user_state_type(const std::string& parent_type, const std::string& new_typename)
 186 {
 187   recursiveNewUserStateType(parent_type, new_typename, simgrid::instr::Container::get_root()->get_type());
 188 }
 189
 190 static void recursiveNewValueForUserStateType(const std::string& type_name, const char* val, const std::string& color,
 191                                               simgrid::instr::Type* root)
 192 {
 193   if (root->get_name() == type_name)
 194     static_cast<simgrid::instr::StateType*>(root)->add_entity_value(val, color);
 195
 196   for (auto const& [_, child] : root->get_children())
 197     recursiveNewValueForUserStateType(type_name, val, color, child.get());
 198 }
 199
 200 void instr_new_value_for_user_state_type(const std::string& type_name, const char* value, const std::string& color)
 201 {
 202   recursiveNewValueForUserStateType(type_name, value, color, simgrid::instr::Container::get_root()->get_type());
 203 }
 204
 205 namespace simgrid::instr {
 206
 207 /** @brief Creates a file with the topology of the platform file used for the simulator.
 208  *
 209  *  The graph topology will have the following properties: all hosts, links and routers of the platform file are mapped
 210  *  to graph nodes; routes are mapped to edges. The platform's zones are not represented in the output.
 211  */
 212 void platform_graph_export_graphviz(const std::string& output_filename)
 213 {
 214   auto* g     = xbt_graph_new_graph(0, nullptr);
 215   std::map<std::string, xbt_node_t, std::less<>> nodes;
 216   std::map<std::string, xbt_edge_t, std::less<>> edges;
 217   s4u::Engine::get_instance()->get_netzone_root()->extract_xbt_graph(g, &nodes, &edges);
 218
 219   std::ofstream fs;
 220   fs.open(output_filename, std::ofstream::out);
 221   xbt_assert(not fs.fail(), "Failed to open %s", output_filename.c_str());
 222
 223   if (g->directed)
 224     fs << "digraph test {\n";
 225   else
 226     fs << "graph test {\n";
 227
 228   fs << "  graph [overlap=scale]\n";
 229
 230   fs << "  node [shape=box, style=filled]\n";
 231   fs << "  node [width=.3, height=.3, style=filled, color=skyblue]\n\n";
 232
 233   for (auto const& [node, _] : nodes)
 234     fs << "  \"" << node << "\";\n";
 235
 236   for (auto const& [_, edge] : edges) {
 237     const char* src_s = static_cast<char*>(edge->src->data);
 238     const char* dst_s = static_cast<char*>(edge->dst->data);
 239     if (g->directed)
 240       fs << "  \"" << src_s << "\" -> \"" << dst_s << "\";\n";
 241     else
 242       fs << "  \"" << src_s << "\" -- \"" << dst_s << "\";\n";
 243   }
 244   fs << "}\n";
 245   fs.close();
 246
 247   xbt_graph_free_graph(g, xbt_free_f, xbt_free_f, nullptr);
 248 }
 249
 250 void platform_graph_export_csv(const std::string& output_filename)
 251 {
 252   auto* g         = xbt_graph_new_graph(0, nullptr);
 253   std::map<std::string, xbt_node_t, std::less<>> nodes;
 254   std::map<std::string, xbt_edge_t, std::less<>> edges;
 255   s4u::Engine::get_instance()->get_netzone_root()->extract_xbt_graph(g, &nodes, &edges);
 256
 257   std::ofstream fs;
 258   fs.open(output_filename, std::ofstream::out);
 259   xbt_assert(not fs.fail(), "Failed to open %s", output_filename.c_str());
 260
 261   fs << "src,dst" << std::endl;
 262   for (auto const& [_, edge] : edges) {
 263     const char* src_s = static_cast<char*>(edge->src->data);
 264     const char* dst_s = static_cast<char*>(edge->dst->data);
 265     fs << src_s << "," << dst_s << "\n";
 266   }
 267   fs.close();
 268   xbt_graph_free_graph(g, xbt_free_f, xbt_free_f, nullptr);
 269 }
 270
 271 /* Callbacks */
 272 static std::vector<NetZoneContainer*> currentContainer; /* push and pop, used only in creation */
 273 static void on_netzone_creation(s4u::NetZone const& netzone)
 274 {
 275   std::string id = netzone.get_name();
 276   if (Container::get_root() == nullptr) {
 277     auto* root = new NetZoneContainer(id, 0, nullptr);
 278     xbt_assert(Container::get_root() == root);
 279
 280     if (TRACE_smpi_is_enabled()) {
 281       auto* mpi = root->get_type()->by_name_or_create<ContainerType>("MPI");
 282       if (not TRACE_smpi_is_grouped())
 283         mpi->by_name_or_create<StateType>("MPI_STATE");
 284       root->get_type()->by_name_or_create("MPI_LINK", mpi, mpi);
 285       root->get_type()->by_name_or_create("MIGRATE_LINK", mpi, mpi);
 286       mpi->by_name_or_create<StateType>("MIGRATE_STATE");
 287     }
 288
 289     if (TRACE_needs_platform()) {
 290       currentContainer.push_back(root);
 291     }
 292     return;
 293   }
 294
 295   if (TRACE_needs_platform()) {
 296     auto level      = static_cast<unsigned>(currentContainer.size());
 297     auto* container = new NetZoneContainer(id, level, currentContainer.back());
 298     currentContainer.push_back(container);
 299   }
 300 }
 301
 302 static void on_link_creation(s4u::Link const& link)
 303 {
 304   if (currentContainer.empty()) // No ongoing parsing. Are you creating the loopback?
 305     return;
 306
 307   auto* container = new Container(link.get_name(), "LINK", currentContainer.back());
 308
 309   if ((TRACE_categorized() || TRACE_uncategorized() || TRACE_platform()) && (not TRACE_disable_link())) {
 310     VariableType* bandwidth = container->get_type()->by_name_or_create("bandwidth", "");
 311     bandwidth->set_calling_container(container);
 312     bandwidth->set_event(0, link.get_bandwidth());
 313     VariableType* latency = container->get_type()->by_name_or_create("latency", "");
 314     latency->set_calling_container(container);
 315     latency->set_event(0, link.get_latency());
 316   }
 317
 318   if (TRACE_uncategorized()) {
 319     container->get_type()->by_name_or_create("bandwidth_used", "0.5 0.5 0.5");
 320   }
 321 }
 322
 323 static void on_host_creation(s4u::Host const& host)
 324 {
 325   if (Container::by_name_or_null(host.get_name())) // This host already exists, do nothing
 326     return;
 327
 328   Container* container  = new HostContainer(host, currentContainer.back());
 329   const Container* root = Container::get_root();
 330
 331   if ((TRACE_categorized() || TRACE_uncategorized() || TRACE_platform()) && (not TRACE_disable_speed())) {
 332     VariableType* speed = container->get_type()->by_name_or_create("speed", "");
 333     speed->set_calling_container(container);
 334     speed->set_event(0, host.get_speed());
 335
 336     VariableType* cores = container->get_type()->by_name_or_create("core_count", "");
 337     cores->set_calling_container(container);
 338     cores->set_event(0, host.get_core_count());
 339   }
 340
 341   if (TRACE_uncategorized())
 342     container->get_type()->by_name_or_create("speed_used", "0.5 0.5 0.5");
 343
 344   if (TRACE_smpi_is_enabled() && TRACE_smpi_is_grouped()) {
 345     auto* mpi = container->get_type()->by_name_or_create<ContainerType>("MPI");
 346     mpi->by_name_or_create<StateType>("MPI_STATE");
 347     root->get_type()->by_name_or_create("MIGRATE_LINK", mpi, mpi);
 348     mpi->by_name_or_create<StateType>("MIGRATE_STATE");
 349   }
 350
 351    if (TRACE_actor_is_enabled()) {
 352     auto* host_type = container->get_type();
 353     auto* state     = host_type->by_name_or_create<StateType>("HOST_STATE");
 354     state->set_calling_container(container);
 355     state->add_entity_value("receive", "1 0 0");
 356     state->add_entity_value("send", "0 0 1");
 357     state->add_entity_value("execute", "0 1 1");
 358   }
 359 }
 360
 361 static void on_action_state_change(kernel::resource::Action const& action,
 362                                    kernel::resource::Action::State /* previous */)
 363 {
 364   auto n = static_cast<unsigned>(action.get_variable()->get_number_of_constraint());
 365
 366   for (unsigned i = 0; i < n; i++) {
 367     double value = action.get_rate() * action.get_variable()->get_constraint_weight(i);
 368     /* Beware of composite actions: ptasks put links and cpus together. Extra pb: we cannot dynamic_cast from void* */
 369     kernel::resource::Resource* resource = action.get_variable()->get_constraint(i)->get_id();
 370     if (const auto* cpu = dynamic_cast<kernel::resource::CpuImpl*>(resource))
 371       resource_set_utilization("HOST", "speed_used", cpu->get_cname(), action.get_category(), value,
 372                                action.get_last_update(), simgrid_get_clock() - action.get_last_update());
 373
 374     if (const auto* link = dynamic_cast<kernel::resource::StandardLinkImpl*>(resource))
 375       resource_set_utilization("LINK", "bandwidth_used", link->get_cname(), action.get_category(), value,
 376                                action.get_last_update(), simgrid_get_clock() - action.get_last_update());
 377   }
 378 }
 379
 380 static void on_platform_created()
 381 {
 382   currentContainer.clear();
 383   std::set<std::string, std::less<>> filter;
 384   XBT_DEBUG("Starting graph extraction.");
 385   recursiveGraphExtraction(s4u::Engine::get_instance()->get_netzone_root(), Container::get_root(), &filter);
 386   XBT_DEBUG("Graph extraction finished.");
 387   dump_buffer(true);
 388 }
 389
 390 static void on_actor_creation(s4u::Actor const& actor)
 391 {
 392   const Container* root      = Container::get_root();
 393   Container* container       = Container::by_name(actor.get_host()->get_name());
 394   std::string container_name = instr_pid(actor);
 395
 396   container->create_child(container_name, "ACTOR");
 397   auto* actor_type = container->get_type()->by_name_or_create<ContainerType>("ACTOR");
 398   auto* state      = actor_type->by_name_or_create<StateType>("ACTOR_STATE");
 399   state->add_entity_value("suspend", "1 0 1");
 400   state->add_entity_value("sleep", "1 1 0");
 401   state->add_entity_value("receive", "1 0 0");
 402   state->add_entity_value("send", "0 0 1");
 403   state->add_entity_value("execute", "0 1 1");
 404   root->get_type()->by_name_or_create("ACTOR_LINK", actor_type, actor_type);
 405
 406   actor.on_exit([container_name](bool failed) {
 407     if (failed)
 408       // kill means that this actor no longer exists, let's destroy it
 409       Container::by_name(container_name)->remove_from_parent();
 410   });
 411 }
 412
 413 static void on_actor_host_change(s4u::Actor const& actor, s4u::Host const& /*previous_location*/)
 414 {
 415   static long long int counter = 0;
 416   Container* container         = Container::by_name(instr_pid(actor));
 417   LinkType* link               = Container::get_root()->get_link("ACTOR_LINK");
 418
 419   // start link
 420   link->start_event(container, "M", std::to_string(counter));
 421   // destroy existing container of this process
 422   container->remove_from_parent();
 423   // create new container on the new_host location
 424   Container::by_name(actor.get_host()->get_name())->create_child(instr_pid(actor), "ACTOR");
 425   // end link
 426   link->end_event(Container::by_name(instr_pid(actor)), "M", std::to_string(counter));
 427   counter++;
 428 }
 429
 430 static void on_vm_creation(s4u::Host const& host)
 431 {
 432   const Container* container = new HostContainer(host, currentContainer.back());
 433   const Container* root      = Container::get_root();
 434   auto* vm                   = container->get_type()->by_name_or_create<ContainerType>("VM");
 435   auto* state                = vm->by_name_or_create<StateType>("VM_STATE");
 436   state->add_entity_value("suspend", "1 0 1");
 437   state->add_entity_value("sleep", "1 1 0");
 438   state->add_entity_value("receive", "1 0 0");
 439   state->add_entity_value("send", "0 0 1");
 440   state->add_entity_value("execute", "0 1 1");
 441   root->get_type()->by_name_or_create("VM_LINK", vm, vm);
 442   root->get_type()->by_name_or_create("VM_ACTOR_LINK", vm, vm);
 443 }
 444
 445 void define_callbacks()
 446 {
 447   // always need the callbacks to zones (we need only the root zone), to create the rootContainer and the rootType
 448   // properly
 449   if (TRACE_needs_platform()) {
 450     s4u::Engine::on_platform_created_cb(on_platform_created);
 451     s4u::Host::on_creation_cb(on_host_creation);
 452     s4u::Host::on_speed_change_cb([](s4u::Host const& host) {
 453       Container::by_name(host.get_name())
 454           ->get_variable("speed")
 455           ->set_event(simgrid_get_clock(), host.get_core_count() * host.get_available_speed());
 456     });
 457     s4u::Link::on_creation_cb(on_link_creation);
 458     s4u::Link::on_bandwidth_change_cb([](s4u::Link const& link) {
 459       Container::by_name(link.get_name())
 460           ->get_variable("bandwidth")
 461           ->set_event(
 462               simgrid_get_clock(),
 463               static_cast<kernel::resource::NetworkModel*>(link.get_impl()->get_model())->get_bandwidth_factor() *
 464                   link.get_bandwidth());
 465     });
 466     kernel::routing::NetPoint::on_creation.connect([](kernel::routing::NetPoint const& netpoint) {
 467       if (netpoint.is_router())
 468         new RouterContainer(netpoint.get_name(), currentContainer.back());
 469     });
 470   }
 471
 472   s4u::NetZone::on_creation_cb(on_netzone_creation);
 473
 474   kernel::resource::CpuAction::on_state_change.connect(on_action_state_change);
 475   s4u::Link::on_communication_state_change_cb(on_action_state_change);
 476
 477   if (TRACE_actor_is_enabled()) {
 478     s4u::Actor::on_creation_cb(on_actor_creation);
 479     s4u::Actor::on_destruction_cb([](s4u::Actor const& actor) {
 480       auto container = Container::by_name_or_null(instr_pid(actor));
 481       if (container != nullptr)
 482         container->remove_from_parent();
 483     });
 484     s4u::Actor::on_suspend_cb([](s4u::Actor const& actor) {
 485       Container::by_name(instr_pid(actor))->get_state("ACTOR_STATE")->push_event("suspend");
 486     });
 487     s4u::Actor::on_resume_cb(
 488         [](s4u::Actor const& actor) { Container::by_name(instr_pid(actor))->get_state("ACTOR_STATE")->pop_event(); });
 489     s4u::Actor::on_sleep_cb([](s4u::Actor const& actor) {
 490       Container::by_name(instr_pid(actor))->get_state("ACTOR_STATE")->push_event("sleep");
 491     });
 492     s4u::Actor::on_wake_up_cb(
 493         [](s4u::Actor const& actor) { Container::by_name(instr_pid(actor))->get_state("ACTOR_STATE")->pop_event(); });
 494
 495     s4u::Exec::on_start_cb([](s4u::Exec const& e) {
 496       std::string pid = instr_pid(*s4u::Actor::self());
 497       if (pid == "-0") //Exec is launched directly by Maestro, use the host as container
 498         Container::by_name(e.get_host()->get_name())->get_state("HOST_STATE")->push_event("execute");
 499       else
 500         Container::by_name(pid)->get_state("ACTOR_STATE")->push_event("execute");
 501     });
 502     s4u::Activity::on_completion_cb([](const s4u::Activity& a) {
 503       std::string pid = instr_pid(*s4u::Actor::self());
 504       std::string hostname;
 505       if (pid == "-0") { //activity is launched directly by Maestro, use the host as container
 506         if (const auto e = dynamic_cast<const s4u::Exec*>(&a))
 507           Container::by_name(e->get_host()->get_name())->get_state("HOST_STATE")->pop_event();
 508         if (const auto c = dynamic_cast<const s4u::Comm*>(&a)) {
 509           Container::by_name(c->get_source()->get_name())->get_state("HOST_STATE")->pop_event();
 510           Container::by_name(c->get_destination()->get_name())->get_state("HOST_STATE")->pop_event();
 511         }
 512       } else
 513         Container::by_name(pid)->get_state("ACTOR_STATE")->pop_event();
 514     });
 515     s4u::Comm::on_send_cb([](s4u::Comm const& c) {
 516       std::string pid = instr_pid(*s4u::Actor::self());
 517       if (pid == "-0") //Comm is launched directly by Maestro, use the host as container
 518         Container::by_name(c.get_source()->get_name())->get_state("HOST_STATE")->push_event("send");
 519       else
 520         Container::by_name(pid)->get_state("ACTOR_STATE")->push_event("send");
 521     });
 522     s4u::Comm::on_recv_cb([](s4u::Comm const& c) {
 523       std::string pid = instr_pid(*s4u::Actor::self());
 524       if (pid == "-0") //Comm is launched directly by Maestro, use the host as container
 525         Container::by_name(c.get_destination()->get_name())->get_state("HOST_STATE")->push_event("receive");
 526       else
 527         Container::by_name(pid)->get_state("ACTOR_STATE")->push_event("receive");
 528     });
 529     s4u::Actor::on_host_change_cb(on_actor_host_change);
 530   }
 531
 532   if (TRACE_smpi_is_enabled() && TRACE_smpi_is_computing()) {
 533     s4u::Exec::on_start_cb([](s4u::Exec const& exec) {
 534       Container::by_name("rank-" + std::to_string(s4u::Actor::self()->get_pid()))
 535           ->get_state("MPI_STATE")
 536           ->push_event("computing", new CpuTIData("compute", exec.get_cost()));
 537     });
 538     s4u::Activity::on_completion_cb([](const s4u::Activity&) {
 539       Container::by_name("rank-" + std::to_string(s4u::Actor::self()->get_pid()))->get_state("MPI_STATE")->pop_event();
 540     });
 541   }
 542
 543   if (TRACE_vm_is_enabled()) {
 544     s4u::Host::on_creation_cb(on_vm_creation);
 545     s4u::VirtualMachine::on_start_cb([](s4u::VirtualMachine const& vm) {
 546       Container::by_name(vm.get_name())->get_state("VM_STATE")->push_event("start");
 547     });
 548     s4u::VirtualMachine::on_started_cb(
 549         [](s4u::VirtualMachine const& vm) { Container::by_name(vm.get_name())->get_state("VM_STATE")->pop_event(); });
 550     s4u::VirtualMachine::on_suspend_cb([](s4u::VirtualMachine const& vm) {
 551       Container::by_name(vm.get_name())->get_state("VM_STATE")->push_event("suspend");
 552     });
 553     s4u::VirtualMachine::on_resume_cb(
 554         [](s4u::VirtualMachine const& vm) { Container::by_name(vm.get_name())->get_state("VM_STATE")->pop_event(); });
 555     s4u::Host::on_destruction_cb(
 556         [](s4u::Host const& host) { Container::by_name(host.get_name())->remove_from_parent(); });
 557   }
 558 }
 559 } // namespace simgrid::instr