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Antfarm: Tracking Processes in a Virtual Machine Environment
 

Summary: Antfarm: Tracking Processes
in a Virtual Machine Environment
Stephen T. Jones, Andrea C. Arpaci-Dusseau, and Remzi H. Arpaci-Dusseau
Department of Computer Sciences
University of Wisconsin, Madison
{stjones,dusseau,remzi}@cs.wisc.edu
Abstract
In a virtualized environment, the VMM is the system's
primary resource manager. Some services usually im-
plemented at the OS layer, like I/O scheduling or certain
kinds of security monitoring, are therefore more naturally
implemented inside the VMM. Implementing such ser-
vices at the VMM layer can be complicated by the lack of
OS and application-level knowledge within a VMM. This
paper describes techniques that can be used by a VMM to
independently overcome part of the "semantic gap" sep-
arating it from the guest operating systems it supports.
These techniques enable the VMM to track the existence
and activities of operating system processes. Antfarm is
an implementation of these techniques that works without

  

Source: Arpaci-Dusseau, Andrea - Department of Computer Sciences, University of Wisconsin at Madison
Arpaci-Dusseau, Remzi - Department of Computer Sciences, Department of Computer Sciences, University of Wisconsin at Madison

 

Collections: Computer Technologies and Information Sciences