Displaying guest operating system statistics in host task manager
View Patent ↗A system, method and computer program product for implementing a VM on a host computer and monitoring the VM processes from the Host computer. A host-based Task Manager monitors the VM process and obtains execution statistics using a proprietary dynamic link library that substitutes Guest statistic collection functions for standard host statistic collection functions. The Guest statistic collection functions acquire data related to the execution of the VM processes running on the Guest OS.
1. A computer-implemented method for acquiring Guest OS statistics, the method comprising:
launching a Task Manager on a host node;
starting at least one host process;
instantiating at least one Virtual Machine (VM) on the host node;
launching at least one Guest process on the VM;
installing a custom dynamic link library (DLL) having statistic collection function, wherein the custom DLL substitutes for a standard DLL, and renaming the standard DLL;
detecting a location of the renamed standard DLL location;
saving a direct link to the renamed standard DLL location into the custom DLL;
placing the custom DLL into a Task Manager directory;
acquiring host OS process statistics via the renamed standard DLL;
accessing the custom DLL by the Task Manager and collecting Guest process statistics via standard API calls; and
displaying the Guest process statistics and the host OS process statistics as a hierarchical tree in the same graphical interface,
wherein the custom DLL has the same name as the standard DLL prior to the renaming.
2. The method of claim 1 , wherein processes of each VM are grouped in the hierarchical tree.
3. The method of claim 1 , wherein the standard DLL prior to renaming is WIN32.DLL.
4. The method of claim 1 , wherein the custom DLL is injected between the Task Manager and the standard DLL.
5. The method of claim 1 , wherein the custom DLL interfaces to tools in the VM to collect the Guest process statistics.
6. The method of claim 5 , wherein the custom DLL interfaces to the tools through a dispatcher module.
7. The method of claim 5 , wherein the tools collect data about counters for the Guest processes and transmit it to the custom DLL.
8. The method of claim 1 , wherein the Guest processes are displayed with identifiers of parent host processes.
9. A non-transitory computer readable medium for collecting Guest process statistics, the medium comprising computer program logic for executing the steps of claim 1 .
10. A system for acquiring Guest OS statistics, the system comprising:
a Task Manager running on a host node of the system having a processor and a memory;
host processes running on the host node;
at least one Virtual Machine (VM) running on the host node;
at least one Guest process running on the VM;
a custom dynamic link library (DLL) having statistic collection function, wherein the custom DLL substitutes for a standard DLL and is in a Task Manager directory;
a renamed standard DLL;
a direct link to the location of the renamed standard DLL stored in the custom DLL;
host OS process statistics acquired via the renamed standard DLL;
Guest process statistics collected via standard API calls in the custom DLL in response to the Task Manager; and
a graphical interface in the form of a hierarchical tree displaying the Guest process statistics and the host OS process statistics,
wherein the custom DLL has the same name as the standard DLL prior to the renaming.