- 专利标题: Reducing virtual machine pre-emption in virtualized environment
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申请号: US14853541申请日: 2015-09-14
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公开(公告)号: US09411630B1公开(公告)日: 2016-08-09
- 发明人: Kevin S. Adams , Mark J. Lorenc , Donald W. Schmidt
- 申请人: International Business Machines Corporation
- 申请人地址: US NY Armonk
- 专利权人: INTERNATIONAL BUSINESS MACHINES CORPORATION
- 当前专利权人: INTERNATIONAL BUSINESS MACHINES CORPORATION
- 当前专利权人地址: US NY Armonk
- 代理机构: Cantor Colburn LLP
- 代理商 Joseph Petrokaitis
- 主分类号: G06F9/455
- IPC分类号: G06F9/455
摘要:
A method for reducing virtual machine preemption in a virtualized environment is provided. The method includes dispatching a virtual central processing unit (CPU) to run in an emulation mode on a real CPU until the real CPU exits the emulation mode, determining whether the virtual CPU has loaded a wait state, determining whether a remaining time slice of the virtual CPU as a result of the dispatching is below a predefined threshold in an event that the virtual CPU has loaded the wait state and rescheduling the virtual CPU with a full time slice in an event the remaining time slice of the virtual CPU is below the predefined threshold.
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