Installation guide

C H A P T E R 1 2 VMware ESX Server Resource Management
393
Using Hyper-Threading
Enabling Hyper-Threading in ESX Server
You should enable Hyper-Threading with the Enable Hyper-Threading option for
your system startup profile. You can set this option with Options->Startup Profile in
the Management Interface. See Updating the Startup Profile on page 218.
You can also enable Hyper-Threading in the Service Console. Edit the system profile /
etc/vmware/hwconfig to set the hyperthreading option:
1. Log into the Service Console as root.
2. Edit /etc/vmware/hwconfig.
3. Define the hyperthreading option:
hyperthreading = “true”
If you previously defined this option, just change the current value to true.
4. Save the file and close it.
Configuring Hyper-Threading Options for Virtual Machines
You can configure the htsharing option with the Verbose Options configuration
panel. Use the complete name of the option: cpu.htsharing. See Modifying the
Configuration File Directly (Advanced Users Only) on page 141 for detailed
instructions.
You can also configure htsharing in the Service Console, either by editing the
virtual machine configuration file or by using the procfs command. see Editing the
Virtual Machine Configuration File on page 395 or Using procfs on page 397.