{"id":41281,"date":"2020-02-07T09:28:13","date_gmt":"2020-02-07T06:28:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/kompaniya-siemens-vypustila-gipervizor-jailhouse-0-12"},"modified":"2020-02-07T09:28:13","modified_gmt":"2020-02-07T06:28:13","slug":"kompaniya-siemens-vypustila-gipervizor-jailhouse-0-12","status":"publish","type":"post","link":"https:\/\/prohoster.info\/en\/blog\/kompaniya-siemens-vypustila-gipervizor-jailhouse-0-12","title":{"rendered":"Siemens has released the Jailhouse hypervisor 0.12.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Siemens Company released<\/a><\/noindex> release of the open hypervisor Jailhouse 0.12<\/a><\/noindex>. The hypervisor supports operation on x86_64 systems with VMX+EPT or SVM+NPT (AMD-V) extensions, as well as on ARMv7 and ARMv8\/ARM64 processors with virtualization extensions. Separately is being developed<\/a><\/noindex> image generator for the Jailhouse hypervisor, created based on Debian packages for supported devices. The project code is distributed<\/a><\/noindex> is licensed under GPLv2. <\/p>\n

is implemented as a module for the Linux kernel, providing virtualization at the kernel level. Components for guest systems are already included in the main Linux kernel. Hardware virtualization mechanisms provided by modern CPUs are used to manage isolation. The distinctive features of Jailhouse are its lightweight implementation and focus on binding virtual machines to a fixed CPU, memory areas, and hardware devices. This approach allows multiple independent virtual environments to operate on a single physical multi-core server, each tied to its own CPU core. <\/p>\n

With a strict binding to the CPU, the overhead from the hypervisor's operation is minimized, significantly simplifying its implementation, as there is no need for complex resource scheduling \u2014 allocating a separate CPU core ensures that no other tasks are executed on that CPU. The advantage of this approach is the ability to provide guaranteed access to resources and predictable performance, making Jailhouse a suitable solution for creating real-time tasks. The downside is limited scalability, constrained by the number of CPU cores.<\/p>\n

In Jailhouse terminology, virtual environments are called 'cells.' Inside a cell, the system operates like a single-processor server, demonstrating performance. close<\/a><\/noindex> to that of a dedicated CPU core. An environment of any operating system can run in a cell, as well as stripped-down environments for running a single application or specially prepared separate applications for real-time tasks. The configuration is specified in .cell files<\/a><\/noindex>, defining the allocated environment CPU, memory regions, and input\/output ports. <\/p>\n

\"Siemens<\/center><\/p>\n

In the new release,<\/p>\n