-/* Copyright (c) 2007-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2007-2015. 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. */
#include "src/surf/virtual_machine.hpp"
#include "src/surf/HostImpl.hpp"
-//If you need to log some stuffs, just uncomment these two lines and uses XBT_DEBUG for instance
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_vm, simix, "Logging specific to SIMIX (vms)");
/* **** create a VM **** */
/**
- * \brief Internal function to create a SIMIX host.
- * \param name name of the host to create
- * \param data some user data (may be NULL)
+ * @brief Internal function to create a SIMIX host.
+ * @param name name of the host to create
+ * @param data some user data (may be nullptr)
*/
sg_host_t SIMIX_vm_create(const char *name, sg_host_t ind_phys_host)
{
int pm_overcommit = 0;
long pm_ramsize = host_get_ramsize(pm, &pm_overcommit);
- long vm_ramsize = host_get_ramsize(vm, NULL);
+ long vm_ramsize = host_get_ramsize(vm, nullptr);
if (!pm_ramsize) {
/* We assume users do not want to care about ramsize. */
}
if (pm_overcommit) {
- XBT_INFO("%s allows memory overcommit.", sg_host_get_name(pm));
+ XBT_VERB("%s allows memory overcommit.", sg_host_get_name(pm));
return 1;
}
unsigned int cursor = 0;
sg_host_t another_vm;
xbt_dynar_foreach(dyn_vms, cursor, another_vm) {
- long another_vm_ramsize = host_get_ramsize(vm, NULL);
+ long another_vm_ramsize = host_get_ramsize(vm, nullptr);
total_ramsize_of_vms += another_vm_ramsize;
}
}
}
/**
- * \brief Function to migrate a SIMIX VM host.
+ * @brief Function to migrate a SIMIX VM host.
*
- * \param host the vm host to migrate (a sg_host_t)
+ * @param host the vm host to migrate (a sg_host_t)
*/
void SIMIX_vm_migrate(sg_host_t ind_vm, sg_host_t ind_dst_pm)
{
}
/**
- * \brief Encompassing simcall to prevent the removal of the src or the dst node at the end of a VM migration
+ * @brief Encompassing simcall to prevent the removal of the src or the dst node at the end of a VM migration
* The simcall actually invokes the following calls:
* simcall_vm_set_affinity(vm, src_pm, 0);
* simcall_vm_migrate(vm, dst_pm);
*
* It is called at the end of the migration_rx_fun function from msg/msg_vm.c
*
- * \param vm VM to migrate
- * \param src_pm Source physical host
- * \param dst_pmt Destination physical host
+ * @param vm VM to migrate
+ * @param src_pm Source physical host
+ * @param dst_pmt Destination physical host
*/
void SIMIX_vm_migratefrom_resumeto(sg_host_t vm, sg_host_t src_pm, sg_host_t dst_pm)
{
}
/**
- * \brief Function to get the physical host of the given SIMIX VM host.
+ * @brief Function to get the physical host of the given SIMIX VM host.
*
- * \param host the vm host to get_phys_host (a sg_host_t)
+ * @param host the vm host to get_phys_host (a sg_host_t)
*/
-void *SIMIX_vm_get_pm(sg_host_t ind_vm)
+void *SIMIX_vm_get_pm(sg_host_t host)
{
- /* jump to vm_ws_get_pm(). this will return the vm name. */
- return surf_vm_get_pm(ind_vm);
+ return surf_vm_get_pm(host);
}
/**
- * \brief Function to set the CPU bound of the given SIMIX VM host.
+ * @brief Function to set the CPU bound of the given SIMIX VM host.
*
- * \param host the vm host (a sg_host_t)
- * \param bound bound (a double)
+ * @param host the vm host (a sg_host_t)
+ * @param bound bound (a double)
*/
-void SIMIX_vm_set_bound(sg_host_t ind_vm, double bound)
+void SIMIX_vm_set_bound(sg_host_t host, double bound)
{
- /* jump to vm_ws_set_vm_bound(). */
- surf_vm_set_bound(ind_vm, bound);
+ surf_vm_set_bound(host, bound);
}
/**
- * \brief Function to set the CPU affinity of the given SIMIX VM host.
+ * @brief Function to set the CPU affinity of the given SIMIX VM host.
*
- * \param host the vm host (a sg_host_t)
- * \param host the pm host (a sg_host_t)
- * \param mask affinity mask (a unsigned long)
+ * @param host the vm host (a sg_host_t)
+ * @param host the pm host (a sg_host_t)
+ * @param mask affinity mask (a unsigned long)
*/
void SIMIX_vm_set_affinity(sg_host_t ind_vm, sg_host_t ind_pm, unsigned long mask)
{
/* make sure this at the MSG layer. */
xbt_assert(SIMIX_vm_get_pm(ind_vm) == ind_pm);
- /* jump to vm_ws_set_vm_affinity(). */
surf_vm_set_affinity(ind_vm, ind_pm, mask);
}
/**
- * \brief Function to suspend a SIMIX VM host. This function stops the execution of the
+ * @brief Function to suspend a SIMIX VM host. This function stops the execution of the
* VM. All the processes on this VM will pause. The state of the VM is
* preserved on memory. We can later resume it again.
*
- * \param host the vm host to suspend (a sg_host_t)
+ * @param host the vm host to suspend (a sg_host_t)
*/
void SIMIX_vm_suspend(sg_host_t ind_vm, smx_process_t issuer)
{
smx_process_t smx_process, smx_process_safe;
xbt_swag_foreach_safe(smx_process, smx_process_safe, sg_host_simix(ind_vm)->process_list) {
- XBT_DEBUG("suspend %s", smx_process->name);
+ XBT_DEBUG("suspend %s", smx_process->name.c_str());
SIMIX_process_suspend(smx_process, issuer);
}
/**
- * \brief Function to resume a SIMIX VM host. This function restart the execution of the
+ * @brief Function to resume a SIMIX VM host. This function restart the execution of the
* VM. All the processes on this VM will run again.
*
- * \param host the vm host to resume (a sg_host_t)
+ * @param host the vm host to resume (a sg_host_t)
*/
void SIMIX_vm_resume(sg_host_t ind_vm, smx_process_t issuer)
{
smx_process_t smx_process, smx_process_safe;
xbt_swag_foreach_safe(smx_process, smx_process_safe, sg_host_simix(ind_vm)->process_list) {
- XBT_DEBUG("resume %s", smx_process->name);
+ XBT_DEBUG("resume %s", smx_process->name.c_str());
SIMIX_process_resume(smx_process, issuer);
}
}
/**
- * \brief Function to save a SIMIX VM host.
+ * @brief Function to save a SIMIX VM host.
* This function is the same as vm_suspend, but the state of the VM is saved to the disk, and not preserved on memory.
* We can later restore it again.
*
- * \param host the vm host to save (a sg_host_t)
+ * @param host the vm host to save (a sg_host_t)
*/
void SIMIX_vm_save(sg_host_t ind_vm, smx_process_t issuer)
{
smx_process_t smx_process, smx_process_safe;
xbt_swag_foreach_safe(smx_process, smx_process_safe, sg_host_simix(ind_vm)->process_list) {
- XBT_DEBUG("suspend %s", smx_process->name);
+ XBT_DEBUG("suspend %s", smx_process->name.c_str());
SIMIX_process_suspend(smx_process, issuer);
}
}
/**
- * \brief Function to restore a SIMIX VM host. This function restart the execution of the
+ * @brief Function to restore a SIMIX VM host. This function restart the execution of the
* VM. All the processes on this VM will run again.
*
- * \param host the vm host to restore (a sg_host_t)
+ * @param host the vm host to restore (a sg_host_t)
*/
void SIMIX_vm_restore(sg_host_t ind_vm, smx_process_t issuer)
{
smx_process_t smx_process, smx_process_safe;
xbt_swag_foreach_safe(smx_process, smx_process_safe, sg_host_simix(ind_vm)->process_list) {
- XBT_DEBUG("resume %s", smx_process->name);
+ XBT_DEBUG("resume %s", smx_process->name.c_str());
SIMIX_process_resume(smx_process, issuer);
}
}
/**
- * \brief Function to shutdown a SIMIX VM host. This function powers off the
+ * @brief Function to shutdown a SIMIX VM host. This function powers off the
* VM. All the processes on this VM will be killed. But, the state of the VM is
* preserved on memory. We can later start it again.
*
- * \param host the vm host to shutdown (a sg_host_t)
+ * @param host the vm host to shutdown (a sg_host_t)
*/
void SIMIX_vm_shutdown(sg_host_t ind_vm, smx_process_t issuer)
{
smx_process_t smx_process, smx_process_safe;
xbt_swag_foreach_safe(smx_process, smx_process_safe, sg_host_simix(ind_vm)->process_list) {
- XBT_DEBUG("kill %s", smx_process->name);
+ XBT_DEBUG("kill %s", smx_process->name.c_str());
SIMIX_process_kill(smx_process, issuer);
}
/**
- * \brief Function to destroy a SIMIX VM host.
+ * @brief Function to destroy a SIMIX VM host.
*
- * \param host the vm host to destroy (a sg_host_t)
+ * @param vm the vm host to destroy (a sg_host_t)
*/
-void SIMIX_vm_destroy(sg_host_t ind_vm)
+void SIMIX_vm_destroy(sg_host_t vm)
{
/* this code basically performs a similar thing like SIMIX_host_destroy() */
- const char *hostname = sg_host_get_name(ind_vm);
+ const char *hostname = sg_host_get_name(vm);
XBT_DEBUG("destroy %s", hostname);
/* this will call the registered callback function, i.e., SIMIX_host_destroy(). */
- sg_host_simix_destroy(ind_vm);
+ sg_host_simix_destroy(vm);
/* jump to vm_ws_destroy(). The surf level resource will be freed. */
- surf_vm_destroy(ind_vm);
+ surf_vm_destroy(vm);
}
