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/* Copyright (c) 2012. The SimGrid Team.
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* All rights reserved. */
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/* This program is free software; you can redistribute it and/or modify it
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* under the terms of the license (GNU LGPL) which comes with this package. */
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#include "msg_private.h"
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XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_msg_vm, instr, "MSG VM");
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char *instr_vm_id (msg_vm_t vm, char *str, int len)
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return instr_vm_id_2 (vm->name, str, len);
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char *instr_vm_id_2 (const char *vm_name, char *str, int len)
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snprintf (str, len, "%s", vm_name);
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* Instrumentation functions to trace MSG VMs (msg_vm_t)
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void TRACE_msg_vm_change_host(msg_vm_t vm, msg_host_t old_host, msg_host_t new_host)
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if (TRACE_msg_vm_is_enabled()){
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static long long int counter = 0;
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char key[INSTR_DEFAULT_STR_SIZE];
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snprintf (key, INSTR_DEFAULT_STR_SIZE, "%lld", counter++);
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int len = INSTR_DEFAULT_STR_SIZE;
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char str[INSTR_DEFAULT_STR_SIZE];
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container_t msg = PJ_container_get (instr_vm_id(vm, str, len));
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type_t type = PJ_type_get ("MSG_VM_LINK", PJ_type_get_root());
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new_pajeStartLink (MSG_get_clock(), PJ_container_get_root(), type, msg, "M", key);
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//destroy existing container of this vm
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container_t existing_container = PJ_container_get(instr_vm_id(vm, str, len));
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PJ_container_remove_from_parent (existing_container);
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PJ_container_free(existing_container);
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//create new container on the new_host location
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msg = PJ_container_new(instr_vm_id(vm, str, len), INSTR_MSG_VM, PJ_container_get(SIMIX_host_get_name(new_host)));
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msg = PJ_container_get(instr_vm_id(vm, str, len));
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type = PJ_type_get ("MSG_VM_LINK", PJ_type_get_root());
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new_pajeEndLink (MSG_get_clock(), PJ_container_get_root(), type, msg, "M", key);
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void TRACE_msg_vm_create (const char *vm_name, msg_host_t host)
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if (TRACE_msg_vm_is_enabled()){
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int len = INSTR_DEFAULT_STR_SIZE;
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char str[INSTR_DEFAULT_STR_SIZE];
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container_t host_container = PJ_container_get (SIMIX_host_get_name(host));
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PJ_container_new(instr_vm_id_2(vm_name, str, len), INSTR_MSG_VM, host_container);
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void TRACE_msg_vm_kill(msg_vm_t vm) {
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if (TRACE_msg_vm_is_enabled()) {
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int len = INSTR_DEFAULT_STR_SIZE;
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char str[INSTR_DEFAULT_STR_SIZE];
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//kill means that this vm no longer exists, let's destroy it
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container_t process = PJ_container_get (instr_vm_id(vm, str, len));
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PJ_container_remove_from_parent (process);
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PJ_container_free (process);
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void TRACE_msg_vm_suspend(msg_vm_t vm)
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if (TRACE_msg_vm_is_enabled()){
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int len = INSTR_DEFAULT_STR_SIZE;
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char str[INSTR_DEFAULT_STR_SIZE];
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container_t vm_container = PJ_container_get (instr_vm_id(vm, str, len));
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type_t type = PJ_type_get ("MSG_VM_STATE", vm_container->type);
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val_t value = PJ_value_get ("suspend", type);
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new_pajePushState (MSG_get_clock(), vm_container, type, value);
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void TRACE_msg_vm_resume(msg_vm_t vm)
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if (TRACE_msg_vm_is_enabled()){
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int len = INSTR_DEFAULT_STR_SIZE;
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char str[INSTR_DEFAULT_STR_SIZE];
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container_t vm_container = PJ_container_get (instr_vm_id(vm, str, len));
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type_t type = PJ_type_get ("MSG_VM_STATE", vm_container->type);
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new_pajePopState (MSG_get_clock(), vm_container, type);
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void TRACE_msg_vm_sleep_in(msg_vm_t vm)
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if (TRACE_msg_vm_is_enabled()){
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int len = INSTR_DEFAULT_STR_SIZE;
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char str[INSTR_DEFAULT_STR_SIZE];
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container_t vm_container = PJ_container_get (instr_vm_id(vm, str, len));
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type_t type = PJ_type_get ("MSG_VM_STATE", vm_container->type);
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val_t value = PJ_value_get ("sleep", type);
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new_pajePushState (MSG_get_clock(), vm_container, type, value);
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void TRACE_msg_vm_sleep_out(msg_vm_t vm)
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if (TRACE_msg_vm_is_enabled()){
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int len = INSTR_DEFAULT_STR_SIZE;
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char str[INSTR_DEFAULT_STR_SIZE];
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container_t vm_container = PJ_container_get (instr_vm_id(vm, str, len));
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type_t type = PJ_type_get ("MSG_VM_STATE", vm_container->type);
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new_pajePopState (MSG_get_clock(), vm_container, type);
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void TRACE_msg_vm_end(msg_vm_t vm)
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if (TRACE_msg_vm_is_enabled()) {
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int len = INSTR_DEFAULT_STR_SIZE;
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char str[INSTR_DEFAULT_STR_SIZE];
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//that's the end, let's destroy it
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container_t container = PJ_container_get (instr_vm_id(vm, str, len));
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PJ_container_remove_from_parent (container);
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PJ_container_free (container);
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#endif /* HAVE_TRACING */