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[simgrid.git] / src / mc / mc_request.cpp
index b46fc55..6a1c4a7 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (c) 2008-2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2008-2021. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -8,38 +8,37 @@
 #include "src/kernel/activity/CommImpl.hpp"
 #include "src/kernel/activity/MutexImpl.hpp"
 #include "src/mc/ModelChecker.hpp"
+#include "src/mc/checker/SimcallInspector.hpp"
 #include "src/mc/mc_smx.hpp"
+#include <array>
 
 using simgrid::mc::remote;
+using simgrid::simix::Simcall;
 
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_request, mc,
-                                "Logging specific to MC (request)");
-
-static char *pointer_to_string(void *pointer);
-static char *buff_size_to_string(size_t size);
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_request, mc, "Logging specific to MC (request)");
 
 static inline simgrid::kernel::activity::CommImpl* MC_get_comm(smx_simcall_t r)
 {
-  switch (r->call ) {
-  case SIMCALL_COMM_WAIT:
-    return static_cast<simgrid::kernel::activity::CommImpl*>(simcall_comm_wait__getraw__comm(r));
-  case SIMCALL_COMM_TEST:
-    return static_cast<simgrid::kernel::activity::CommImpl*>(simcall_comm_test__getraw__comm(r));
-  default:
-    return nullptr;
+  switch (r->call_) {
+    case Simcall::COMM_WAIT:
+      return simcall_comm_wait__getraw__comm(r);
+    case Simcall::COMM_TEST:
+      return simcall_comm_test__getraw__comm(r);
+    default:
+      return nullptr;
   }
 }
 
 static inline
 smx_mailbox_t MC_get_mbox(smx_simcall_t r)
 {
-  switch(r->call) {
-  case SIMCALL_COMM_ISEND:
-    return simcall_comm_isend__get__mbox(r);
-  case SIMCALL_COMM_IRECV:
-    return simcall_comm_irecv__get__mbox(r);
-  default:
-    return nullptr;
+  switch (r->call_) {
+    case Simcall::COMM_ISEND:
+      return simcall_comm_isend__get__mbox(r);
+    case Simcall::COMM_IRECV:
+      return simcall_comm_irecv__get__mbox(r);
+    default:
+      return nullptr;
   }
 }
 
@@ -50,61 +49,57 @@ namespace mc {
 static inline
 bool request_depend_asymmetric(smx_simcall_t r1, smx_simcall_t r2)
 {
-  if (r1->call == SIMCALL_COMM_ISEND && r2->call == SIMCALL_COMM_IRECV)
+  if (r1->call_ == Simcall::COMM_ISEND && r2->call_ == Simcall::COMM_IRECV)
     return false;
 
-  if (r1->call == SIMCALL_COMM_IRECV && r2->call == SIMCALL_COMM_ISEND)
+  if (r1->call_ == Simcall::COMM_IRECV && r2->call_ == Simcall::COMM_ISEND)
     return false;
 
-  // Those are internal requests, we do not need indirection
-  // because those objects are copies:
-  simgrid::kernel::activity::CommImpl* synchro1 = MC_get_comm(r1);
-  simgrid::kernel::activity::CommImpl* synchro2 = MC_get_comm(r2);
-
-  if ((r1->call == SIMCALL_COMM_ISEND || r1->call == SIMCALL_COMM_IRECV)
-      && r2->call == SIMCALL_COMM_WAIT) {
+  // Those are internal requests, we do not need indirection because those objects are copies:
+  const kernel::activity::CommImpl* synchro1 = MC_get_comm(r1);
+  const kernel::activity::CommImpl* synchro2 = MC_get_comm(r2);
 
-    smx_mailbox_t mbox = MC_get_mbox(r1);
+  if ((r1->call_ == Simcall::COMM_ISEND || r1->call_ == Simcall::COMM_IRECV) && r2->call_ == Simcall::COMM_WAIT) {
+    const kernel::activity::MailboxImpl* mbox = MC_get_mbox(r1);
 
     if (mbox != synchro2->mbox_cpy
         && simcall_comm_wait__get__timeout(r2) <= 0)
       return false;
 
-    if ((r1->issuer != synchro2->src_actor_.get()) && (r1->issuer != synchro2->dst_actor_.get()) &&
+    if ((r1->issuer_ != synchro2->src_actor_.get()) && (r1->issuer_ != synchro2->dst_actor_.get()) &&
         simcall_comm_wait__get__timeout(r2) <= 0)
       return false;
 
-    if ((r1->call == SIMCALL_COMM_ISEND) && (synchro2->type_ == kernel::activity::CommImpl::Type::SEND) &&
+    if ((r1->call_ == Simcall::COMM_ISEND) && (synchro2->type_ == kernel::activity::CommImpl::Type::SEND) &&
         (synchro2->src_buff_ != simcall_comm_isend__get__src_buff(r1)) && simcall_comm_wait__get__timeout(r2) <= 0)
       return false;
 
-    if ((r1->call == SIMCALL_COMM_IRECV) && (synchro2->type_ == kernel::activity::CommImpl::Type::RECEIVE) &&
+    if ((r1->call_ == Simcall::COMM_IRECV) && (synchro2->type_ == kernel::activity::CommImpl::Type::RECEIVE) &&
         (synchro2->dst_buff_ != simcall_comm_irecv__get__dst_buff(r1)) && simcall_comm_wait__get__timeout(r2) <= 0)
       return false;
   }
 
-  /* FIXME: the following rule assumes that the result of the
-   * isend/irecv call is not stored in a buffer used in the
+  /* FIXME: the following rule assumes that the result of the isend/irecv call is not stored in a buffer used in the
    * test call. */
 #if 0
-  if((r1->call == SIMCALL_COMM_ISEND || r1->call == SIMCALL_COMM_IRECV)
-     &&  r2->call == SIMCALL_COMM_TEST)
-     return false;
+  if((r1->call == Simcall::COMM_ISEND || r1->call == Simcall::COMM_IRECV)
+      &&  r2->call == Simcall::COMM_TEST)
+    return false;
 #endif
 
-  if (r1->call == SIMCALL_COMM_WAIT && (r2->call == SIMCALL_COMM_WAIT || r2->call == SIMCALL_COMM_TEST) &&
+  if (r1->call_ == Simcall::COMM_WAIT && (r2->call_ == Simcall::COMM_WAIT || r2->call_ == Simcall::COMM_TEST) &&
       (synchro1->src_actor_.get() == nullptr || synchro1->dst_actor_.get() == nullptr))
     return false;
 
-  if (r1->call == SIMCALL_COMM_TEST &&
+  if (r1->call_ == Simcall::COMM_TEST &&
       (simcall_comm_test__get__comm(r1) == nullptr || synchro1->src_buff_ == nullptr || synchro1->dst_buff_ == nullptr))
     return false;
 
-  if (r1->call == SIMCALL_COMM_TEST && r2->call == SIMCALL_COMM_WAIT && synchro1->src_buff_ == synchro2->src_buff_ &&
-      synchro1->dst_buff_ == synchro2->dst_buff_)
+  if (r1->call_ == Simcall::COMM_TEST && r2->call_ == Simcall::COMM_WAIT &&
+      synchro1->src_buff_ == synchro2->src_buff_ && synchro1->dst_buff_ == synchro2->dst_buff_)
     return false;
 
-  if (r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_TEST && synchro1->src_buff_ != nullptr &&
+  if (r1->call_ == Simcall::COMM_WAIT && r2->call_ == Simcall::COMM_TEST && synchro1->src_buff_ != nullptr &&
       synchro1->dst_buff_ != nullptr && synchro2->src_buff_ != nullptr && synchro2->dst_buff_ != nullptr &&
       synchro1->dst_buff_ != synchro2->src_buff_ && synchro1->dst_buff_ != synchro2->dst_buff_ &&
       synchro2->dst_buff_ != synchro1->src_buff_)
@@ -116,28 +111,27 @@ bool request_depend_asymmetric(smx_simcall_t r1, smx_simcall_t r2)
 // Those are internal_req
 bool request_depend(smx_simcall_t req1, smx_simcall_t req2)
 {
-  if (req1->issuer == req2->issuer)
+  if (req1->issuer_ == req2->issuer_)
     return false;
 
   /* Wait with timeout transitions are not considered by the independence theorem, thus we consider them as dependent with all other transitions */
-  if ((req1->call == SIMCALL_COMM_WAIT && simcall_comm_wait__get__timeout(req1) > 0) ||
-      (req2->call == SIMCALL_COMM_WAIT && simcall_comm_wait__get__timeout(req2) > 0))
+  if ((req1->call_ == Simcall::COMM_WAIT && simcall_comm_wait__get__timeout(req1) > 0) ||
+      (req2->call_ == Simcall::COMM_WAIT && simcall_comm_wait__get__timeout(req2) > 0))
     return true;
 
-  if (req1->call != req2->call)
+  if (req1->call_ != req2->call_)
     return request_depend_asymmetric(req1, req2) && request_depend_asymmetric(req2, req1);
 
-  // Those are internal requests, we do not need indirection
-  // because those objects are copies:
-  simgrid::kernel::activity::CommImpl* synchro1 = MC_get_comm(req1);
-  simgrid::kernel::activity::CommImpl* synchro2 = MC_get_comm(req2);
+  // Those are internal requests, we do not need indirection because those objects are copies:
+  const kernel::activity::CommImpl* synchro1 = MC_get_comm(req1);
+  const kernel::activity::CommImpl* synchro2 = MC_get_comm(req2);
 
-  switch (req1->call) {
-    case SIMCALL_COMM_ISEND:
+  switch (req1->call_) {
+    case Simcall::COMM_ISEND:
       return simcall_comm_isend__get__mbox(req1) == simcall_comm_isend__get__mbox(req2);
-    case SIMCALL_COMM_IRECV:
+    case Simcall::COMM_IRECV:
       return simcall_comm_irecv__get__mbox(req1) == simcall_comm_irecv__get__mbox(req2);
-    case SIMCALL_COMM_WAIT:
+    case Simcall::COMM_WAIT:
       if (synchro1->src_buff_ == synchro2->src_buff_ && synchro1->dst_buff_ == synchro2->dst_buff_)
         return false;
       if (synchro1->src_buff_ != nullptr && synchro1->dst_buff_ != nullptr && synchro2->src_buff_ != nullptr &&
@@ -150,392 +144,38 @@ bool request_depend(smx_simcall_t req1, smx_simcall_t req2)
   }
 }
 
-}
-}
-
-static char *pointer_to_string(void *pointer)
-{
-
-  if (XBT_LOG_ISENABLED(mc_request, xbt_log_priority_verbose))
-    return bprintf("%p", pointer);
-
-  return xbt_strdup("(verbose only)");
-}
-
-static char *buff_size_to_string(size_t buff_size)
-{
-
-  if (XBT_LOG_ISENABLED(mc_request, xbt_log_priority_verbose))
-    return bprintf("%zu", buff_size);
-
-  return xbt_strdup("(verbose only)");
-}
-
-
-std::string simgrid::mc::request_to_string(smx_simcall_t req, int value, simgrid::mc::RequestType request_type)
-{
-  xbt_assert(mc_model_checker != nullptr, "Must be called from MCer");
-
-  bool use_remote_comm = true;
-  switch(request_type) {
-  case simgrid::mc::RequestType::simix:
-    use_remote_comm = true;
-    break;
-  case simgrid::mc::RequestType::executed:
-  case simgrid::mc::RequestType::internal:
-    use_remote_comm = false;
-    break;
-  default:
-    THROW_IMPOSSIBLE;
-  }
-
-  const char* type = nullptr;
-  char *args = nullptr;
-
-  smx_actor_t issuer = MC_smx_simcall_get_issuer(req);
-
-  switch (req->call) {
-
-  case SIMCALL_COMM_ISEND: {
-    type = "iSend";
-    char* p = pointer_to_string(simcall_comm_isend__get__src_buff(req));
-    char* bs = buff_size_to_string(simcall_comm_isend__get__src_buff_size(req));
-    if (issuer->get_host())
-      args = bprintf("src=(%ld)%s (%s), buff=%s, size=%s", issuer->get_pid(), MC_smx_actor_get_host_name(issuer),
-                     MC_smx_actor_get_name(issuer), p, bs);
-    else
-      args = bprintf("src=(%ld)%s, buff=%s, size=%s", issuer->get_pid(), MC_smx_actor_get_name(issuer), p, bs);
-    xbt_free(bs);
-    xbt_free(p);
-    break;
-  }
-
-  case SIMCALL_COMM_IRECV: {
-    size_t* remote_size = simcall_comm_irecv__get__dst_buff_size(req);
-    size_t size = 0;
-    if (remote_size)
-      mc_model_checker->process().read_bytes(&size, sizeof(size),
-        remote(remote_size));
-
-    type = "iRecv";
-    char* p = pointer_to_string(simcall_comm_irecv__get__dst_buff(req));
-    char* bs = buff_size_to_string(size);
-    if (issuer->get_host())
-      args = bprintf("dst=(%ld)%s (%s), buff=%s, size=%s", issuer->get_pid(), MC_smx_actor_get_host_name(issuer),
-                     MC_smx_actor_get_name(issuer), p, bs);
-    else
-      args = bprintf("dst=(%ld)%s, buff=%s, size=%s", issuer->get_pid(), MC_smx_actor_get_name(issuer), p, bs);
-    xbt_free(bs);
-    xbt_free(p);
-    break;
-  }
-
-  case SIMCALL_COMM_WAIT: {
-    simgrid::kernel::activity::CommImpl* remote_act =
-        static_cast<simgrid::kernel::activity::CommImpl*>(simcall_comm_wait__getraw__comm(req));
-    char* p;
-    if (value == -1) {
-      type = "WaitTimeout";
-      p = pointer_to_string(remote_act);
-      args = bprintf("comm=%s", p);
-    } else {
-      type = "Wait";
-      p = pointer_to_string(remote_act);
-
-      simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_synchro;
-      simgrid::kernel::activity::CommImpl* act;
-      if (use_remote_comm) {
-        mc_model_checker->process().read(temp_synchro,
-                                         remote(static_cast<simgrid::kernel::activity::CommImpl*>(remote_act)));
-        act = temp_synchro.get_buffer();
-      } else
-        act = remote_act;
-
-      smx_actor_t src_proc = mc_model_checker->process().resolve_actor(simgrid::mc::remote(act->src_actor_.get()));
-      smx_actor_t dst_proc = mc_model_checker->process().resolve_actor(simgrid::mc::remote(act->dst_actor_.get()));
-      args =
-          bprintf("comm=%s [(%ld)%s (%s)-> (%ld)%s (%s)]", p, src_proc ? src_proc->get_pid() : 0,
-                  src_proc ? MC_smx_actor_get_host_name(src_proc) : "", src_proc ? MC_smx_actor_get_name(src_proc) : "",
-                  dst_proc ? dst_proc->get_pid() : 0, dst_proc ? MC_smx_actor_get_host_name(dst_proc) : "",
-                  dst_proc ? MC_smx_actor_get_name(dst_proc) : "");
-    }
-    xbt_free(p);
-    break;
-  }
-
-  case SIMCALL_COMM_TEST: {
-    simgrid::kernel::activity::CommImpl* remote_act =
-        static_cast<simgrid::kernel::activity::CommImpl*>(simcall_comm_test__getraw__comm(req));
-    simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_synchro;
-    simgrid::kernel::activity::CommImpl* act;
-    if (use_remote_comm) {
-      mc_model_checker->process().read(temp_synchro,
-                                       remote(static_cast<simgrid::kernel::activity::CommImpl*>(remote_act)));
-      act = temp_synchro.get_buffer();
-    } else
-      act = remote_act;
-
-    char* p;
-    if (act->src_actor_.get() == nullptr || act->dst_actor_.get() == nullptr) {
-      type = "Test FALSE";
-      p = pointer_to_string(remote_act);
-      args = bprintf("comm=%s", p);
-    } else {
-      type = "Test TRUE";
-      p = pointer_to_string(remote_act);
-
-      smx_actor_t src_proc = mc_model_checker->process().resolve_actor(simgrid::mc::remote(act->src_actor_.get()));
-      smx_actor_t dst_proc = mc_model_checker->process().resolve_actor(simgrid::mc::remote(act->dst_actor_.get()));
-      args = bprintf("comm=%s [(%ld)%s (%s) -> (%ld)%s (%s)]", p, src_proc->get_pid(), MC_smx_actor_get_name(src_proc),
-                     MC_smx_actor_get_host_name(src_proc), dst_proc->get_pid(), MC_smx_actor_get_name(dst_proc),
-                     MC_smx_actor_get_host_name(dst_proc));
-    }
-    xbt_free(p);
-    break;
-  }
-
-  case SIMCALL_COMM_WAITANY: {
-    type = "WaitAny";
-    size_t count = simcall_comm_waitany__get__count(req);
-    if (count > 0) {
-      simgrid::kernel::activity::CommImpl* remote_sync;
-      remote_sync = mc_model_checker->process().read(remote(simcall_comm_waitany__get__comms(req) + value));
-      char* p     = pointer_to_string(remote_sync);
-      args        = bprintf("comm=%s (%d of %zu)", p, value + 1, count);
-      xbt_free(p);
-    } else
-      args = bprintf("comm at idx %d", value);
-    break;
-  }
-
-  case SIMCALL_COMM_TESTANY:
-    if (value == -1) {
-      type = "TestAny FALSE";
-      args = xbt_strdup("-");
-    } else {
-      type = "TestAny";
-      args =
-          bprintf("(%d of %zu)", value + 1,
-                    simcall_comm_testany__get__count(req));
-    }
-    break;
-
-  case SIMCALL_MUTEX_TRYLOCK:
-  case SIMCALL_MUTEX_LOCK: {
-    if (req->call == SIMCALL_MUTEX_LOCK)
-      type = "Mutex LOCK";
-    else
-      type = "Mutex TRYLOCK";
-
-    simgrid::mc::Remote<simgrid::kernel::activity::MutexImpl> mutex;
-    mc_model_checker->process().read_bytes(mutex.get_buffer(), sizeof(mutex),
-                                           remote(req->call == SIMCALL_MUTEX_LOCK
-                                                      ? simcall_mutex_lock__get__mutex(req)
-                                                      : simcall_mutex_trylock__get__mutex(req)));
-    args = bprintf(
-        "locked = %d, owner = %d, sleeping = n/a", mutex.get_buffer()->is_locked(),
-        mutex.get_buffer()->owner_ != nullptr
-            ? (int)mc_model_checker->process().resolve_actor(simgrid::mc::remote(mutex.get_buffer()->owner_))->get_pid()
-            : -1);
-    break;
-  }
-
-  case SIMCALL_MC_RANDOM:
-    type = "MC_RANDOM";
-    args = bprintf("%d", value);
-    break;
-
-  default:
-    type = SIMIX_simcall_name(req->call);
-    args = bprintf("??");
-    break;
-  }
-
-  std::string str;
-  if (args != nullptr)
-    str = simgrid::xbt::string_printf("[(%ld)%s (%s)] %s(%s)", issuer->get_pid(), MC_smx_actor_get_host_name(issuer),
-                                      MC_smx_actor_get_name(issuer), type, args);
-  else
-    str = simgrid::xbt::string_printf("[(%ld)%s (%s)] %s ", issuer->get_pid(), MC_smx_actor_get_host_name(issuer),
-                                      MC_smx_actor_get_name(issuer), type);
-  xbt_free(args);
-  return str;
-}
+} // namespace mc
+} // namespace simgrid
 
 namespace simgrid {
 namespace mc {
 
 bool request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx)
 {
-  simgrid::kernel::activity::CommImpl* remote_act = nullptr;
-  switch (req->call) {
+  kernel::activity::CommImpl* remote_act = nullptr;
+  switch (req->call_) {
+    case Simcall::COMM_WAIT:
+      /* FIXME: check also that src and dst processes are not suspended */
+      remote_act = simcall_comm_wait__getraw__comm(req);
+      break;
 
-  case SIMCALL_COMM_WAIT:
-    /* FIXME: check also that src and dst processes are not suspended */
-    remote_act = simcall_comm_wait__getraw__comm(req);
-    break;
+    case Simcall::COMM_WAITANY:
+      remote_act = mc_model_checker->get_remote_simulation().read(remote(simcall_comm_waitany__get__comms(req) + idx));
+      break;
 
-  case SIMCALL_COMM_WAITANY:
-    remote_act = mc_model_checker->process().read(remote(simcall_comm_testany__get__comms(req) + idx));
-    break;
+    case Simcall::COMM_TESTANY:
+      remote_act = mc_model_checker->get_remote_simulation().read(remote(simcall_comm_testany__get__comms(req) + idx));
+      break;
 
-  case SIMCALL_COMM_TESTANY:
-    remote_act = mc_model_checker->process().read(remote(simcall_comm_testany__get__comms(req) + idx));
-    break;
-
-  default:
-    return true;
+    default:
+      return true;
   }
 
-  simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_comm;
-  mc_model_checker->process().read(temp_comm, remote(remote_act));
-  simgrid::kernel::activity::CommImpl* comm = temp_comm.get_buffer();
+  Remote<kernel::activity::CommImpl> temp_comm;
+  mc_model_checker->get_remote_simulation().read(temp_comm, remote(remote_act));
+  const kernel::activity::CommImpl* comm = temp_comm.get_buffer();
   return comm->src_actor_.get() && comm->dst_actor_.get();
 }
 
-
-static const char* colors[] = {
-  "blue",
-  "red",
-  "green3",
-  "goldenrod",
-  "brown",
-  "purple",
-  "magenta",
-  "turquoise4",
-  "gray25",
-  "forestgreen",
-  "hotpink",
-  "lightblue",
-  "tan",
-};
-
-static inline const char* get_color(int id)
-{
-  return colors[id % (sizeof(colors) / sizeof(colors[0])) ];
-}
-
-std::string request_get_dot_output(smx_simcall_t req, int value)
-{
-  std::string label;
-
-  const smx_actor_t issuer = MC_smx_simcall_get_issuer(req);
-
-  switch (req->call) {
-  case SIMCALL_COMM_ISEND:
-    if (issuer->get_host())
-      label = simgrid::xbt::string_printf("[(%ld)%s] iSend", issuer->get_pid(), MC_smx_actor_get_host_name(issuer));
-    else
-      label = bprintf("[(%ld)] iSend", issuer->get_pid());
-    break;
-
-  case SIMCALL_COMM_IRECV:
-    if (issuer->get_host())
-      label = simgrid::xbt::string_printf("[(%ld)%s] iRecv", issuer->get_pid(), MC_smx_actor_get_host_name(issuer));
-    else
-      label = simgrid::xbt::string_printf("[(%ld)] iRecv", issuer->get_pid());
-    break;
-
-  case SIMCALL_COMM_WAIT:
-    if (value == -1) {
-      if (issuer->get_host())
-        label =
-            simgrid::xbt::string_printf("[(%ld)%s] WaitTimeout", issuer->get_pid(), MC_smx_actor_get_host_name(issuer));
-      else
-        label = simgrid::xbt::string_printf("[(%ld)] WaitTimeout", issuer->get_pid());
-    } else {
-      simgrid::kernel::activity::ActivityImpl* remote_act = simcall_comm_wait__getraw__comm(req);
-      simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_comm;
-      mc_model_checker->process().read(temp_comm,
-                                       remote(static_cast<simgrid::kernel::activity::CommImpl*>(remote_act)));
-      simgrid::kernel::activity::CommImpl* comm = temp_comm.get_buffer();
-
-      smx_actor_t src_proc = mc_model_checker->process().resolve_actor(simgrid::mc::remote(comm->src_actor_.get()));
-      smx_actor_t dst_proc = mc_model_checker->process().resolve_actor(simgrid::mc::remote(comm->dst_actor_.get()));
-      if (issuer->get_host())
-        label = simgrid::xbt::string_printf("[(%ld)%s] Wait [(%ld)->(%ld)]", issuer->get_pid(),
-                                            MC_smx_actor_get_host_name(issuer), src_proc ? src_proc->get_pid() : 0,
-                                            dst_proc ? dst_proc->get_pid() : 0);
-      else
-        label = simgrid::xbt::string_printf("[(%ld)] Wait [(%ld)->(%ld)]", issuer->get_pid(),
-                                            src_proc ? src_proc->get_pid() : 0, dst_proc ? dst_proc->get_pid() : 0);
-    }
-    break;
-
-  case SIMCALL_COMM_TEST: {
-    simgrid::kernel::activity::ActivityImpl* remote_act = simcall_comm_test__getraw__comm(req);
-    simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_comm;
-    mc_model_checker->process().read(temp_comm, remote(static_cast<simgrid::kernel::activity::CommImpl*>(remote_act)));
-    simgrid::kernel::activity::CommImpl* comm = temp_comm.get_buffer();
-    if (comm->src_actor_.get() == nullptr || comm->dst_actor_.get() == nullptr) {
-      if (issuer->get_host())
-        label =
-            simgrid::xbt::string_printf("[(%ld)%s] Test FALSE", issuer->get_pid(), MC_smx_actor_get_host_name(issuer));
-      else
-        label = bprintf("[(%ld)] Test FALSE", issuer->get_pid());
-    } else {
-      if (issuer->get_host())
-        label =
-            simgrid::xbt::string_printf("[(%ld)%s] Test TRUE", issuer->get_pid(), MC_smx_actor_get_host_name(issuer));
-      else
-        label = simgrid::xbt::string_printf("[(%ld)] Test TRUE", issuer->get_pid());
-    }
-    break;
-  }
-
-  case SIMCALL_COMM_WAITANY: {
-    size_t comms_size = simcall_comm_waitany__get__count(req);
-    if (issuer->get_host())
-      label = simgrid::xbt::string_printf("[(%ld)%s] WaitAny [%d of %zu]", issuer->get_pid(),
-                                          MC_smx_actor_get_host_name(issuer), value + 1, comms_size);
-    else
-      label = simgrid::xbt::string_printf("[(%ld)] WaitAny [%d of %zu]", issuer->get_pid(), value + 1, comms_size);
-    break;
-  }
-
-  case SIMCALL_COMM_TESTANY:
-    if (value == -1) {
-      if (issuer->get_host())
-        label = simgrid::xbt::string_printf("[(%ld)%s] TestAny FALSE", issuer->get_pid(),
-                                            MC_smx_actor_get_host_name(issuer));
-      else
-        label = simgrid::xbt::string_printf("[(%ld)] TestAny FALSE", issuer->get_pid());
-    } else {
-      if (issuer->get_host())
-        label = simgrid::xbt::string_printf("[(%ld)%s] TestAny TRUE [%d of %lu]", issuer->get_pid(),
-                                            MC_smx_actor_get_host_name(issuer), value + 1,
-                                            simcall_comm_testany__get__count(req));
-      else
-        label = simgrid::xbt::string_printf("[(%ld)] TestAny TRUE [%d of %lu]", issuer->get_pid(), value + 1,
-                                            simcall_comm_testany__get__count(req));
-    }
-    break;
-
-  case SIMCALL_MUTEX_TRYLOCK:
-    label = simgrid::xbt::string_printf("[(%ld)] Mutex TRYLOCK", issuer->get_pid());
-    break;
-
-  case SIMCALL_MUTEX_LOCK:
-    label = simgrid::xbt::string_printf("[(%ld)] Mutex LOCK", issuer->get_pid());
-    break;
-
-  case SIMCALL_MC_RANDOM:
-    if (issuer->get_host())
-      label = simgrid::xbt::string_printf("[(%ld)%s] MC_RANDOM (%d)", issuer->get_pid(),
-                                          MC_smx_actor_get_host_name(issuer), value);
-    else
-      label = simgrid::xbt::string_printf("[(%ld)] MC_RANDOM (%d)", issuer->get_pid(), value);
-    break;
-
-  default:
-    THROW_UNIMPLEMENTED;
-  }
-
-  const char* color = get_color(issuer->get_pid() - 1);
-  return  simgrid::xbt::string_printf(
-        "label = \"%s\", color = %s, fontcolor = %s", label.c_str(),
-        color, color);
-}
-
-}
-}
+} // namespace mc
+} // namespace simgrid