Techniques for utilizing a resource fold factor in placement of physical resources for a virtual machine

Patent metadata

Field	Value
Publication number	US-10776143-B2
Application number	US-201414306640-A
Country	US
Kind code	B2
Filing date	Jun 17, 2014
Priority date	Jun 17, 2014
Publication date	Sep 15, 2020
Grant date	Sep 15, 2020

Abstract

A technique for assigning physical resources of a data processing system to a virtual machine (VM) includes reading, by a hypervisor executing on the data processing system, a fold factor attribute for the VM. The fold factor attribute defines an anticipated usage of physical resources of the data processing system by the VM. The technique also includes mapping based on a value of the fold factor attribute, by the hypervisor, allocated virtual processors of the VM to the physical resources to maximize processor core access to local memory for ones of the allocated virtual processors that are anticipated to be utilized.

First claim

What is claimed is:

1. A computer program product, comprising:
a computer-readable storage medium; and
program code embodied on the computer-readable storage medium, wherein the program code, when executed on a processor, configures the processor to:
in response to a virtual machine (VM) being instantiated, read a fold factor attribute for the VM, wherein the fold factor attribute defines a user specified anticipated usage of physical resources of a data processing system by the VM; and
map, based on a value of the fold factor attribute, allocated virtual processors of the VM to the physical resources such that processor core access to local memory that is not located within an associated processor is maximized for ones of the allocated virtual processors that are anticipated to be utilized, wherein the fold factor attribute includes a processor fold factor attribute that defines a percentage of the allocated virtual processors of the VM that are anticipated to be utilized and a memory fold factor attribute that defines a percentage of required memory of the VM that is anticipated to be utilized.

2. The computer program product of claim 1 , wherein the physical resources include multiple processor cores.

3. The computer program product of claim 2 , wherein the physical resources include respective local memory associated with each of the multiple processor cores.

4. The computer program product of claim 1 , wherein the physical resources include input/output (I/O).

5. A processor, comprising:
a processor core; and
a memory coupled to the processor core, wherein the processor core is configured to:
in response to a virtual machine (VM) being instantiated, read a fold factor attribute for the VM, wherein the fold factor attribute defines a user specified anticipated usage of physical resources of a data processing system by the VM; and
map, based on a value of the fold factor attribute, allocated virtual processors of the VM to the physical resources such that processor core access to local memory that is not located within an associated processor is maximized for ones of the allocated virtual processors that are anticipated to be utilized, wherein the fold factor attribute includes a processor fold factor attribute that defines a percentage of the allocated virtual processors of the VM that are anticipated to be utilized and a memory fold factor attribute that defines a percentage of required memory of the VM that is anticipated to be utilized.

6. The processor of claim 5 , wherein the physical resources include multiple processor cores and respective local memory associated with each of the multiple processor cores.

7. The processor of claim 5 , wherein the physical resources include input/output (I/O).

Assignees

• IBM

Inventors

• Heyrman Peter Joseph
• Olszewski Bret Ronald
• Reyes Sergio

Classifications

• G06F9/45558 Primary

  Hypervisor-specific management and integration aspects · CPC title

• G06F9/5077

  Logical partitioning of resources; Management or configuration of virtualized resources (specific details on emulation or internal functioning of virtual machines G06F9/455) · CPC title