wrench::S4U_VirtualMachine

class S4U_VirtualMachine

A wrapper for the simgrid::s4u::VirtualMachine class.

Public Types

enum State

VM state enum.

Values:

enumerator DOWN
enumerator RUNNING
enumerator SUSPENDED

Public Functions

S4U_VirtualMachine(const std::string &vm_hostname, unsigned long num_cores, sg_size_t ram_memory, WRENCH_PROPERTY_COLLECTION_TYPE property_list, WRENCH_MESSAGE_PAYLOAD_COLLECTION_TYPE messagepayload_list)

Constructor.

Parameters:

  • vm_name – the name of the VM

  • num_cores – the number of cores the VM can use

  • ram_memory – the VM RAM memory_manager_service capacity

  • property_list – a property list ({} means use all defaults)

  • messagepayload_list – a message payload list ({} means use all defaults)

sg_size_t getMemory()

Get the memory_manager_service consumption.

Returns:

the memory_manager_service consumption

WRENCH_MESSAGE_PAYLOAD_COLLECTION_TYPE getMessagePayloadList()

Get the message payload list for the bare-metal compute service that will run on the VM ({} means “use all defaults”)

Returns:

a message payload list

unsigned long getNumCores()

Get the number of cores.

Returns:

the number of cores

std::string getPhysicalHostname()

Get the physical hostname.

Returns:

the physical hostname

WRENCH_PROPERTY_COLLECTION_TYPE getPropertyList()

Get the property list for the bare-metal compute service that is to run on the VM ({} means “use all defaults”)

Returns:

a property list

State getState()

Get the VM’s state.

Returns:

a state

std::string getStateAsString()

Get the VM’s state as a string.

Returns:

a state as a string

void migrate(const std::string &dst_pm_name)

Migrate the VM.

Parameters:

dest_pm_name – the name of the host to which to migrate the VM

void resume()

Resume the VM.

void shutdown()

Shutdown the VM.

void start(std::string &pm_name)

Start the VM.

Parameters:

pm_name – the physical host name

void suspend()

Suspend the VM.

Public Static Attributes

static std::unordered_map<std::string, std::string> vm_to_pm_map

A map to keep track of VM-to-PM mapping.