{"id":35994,"date":"2019-10-31T22:09:01","date_gmt":"2019-10-31T19:09:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/kompaniya-siemens-vypustila-gipervizor-jailhouse-0-11\/"},"modified":"2019-10-31T22:09:01","modified_gmt":"2019-10-31T19:09:01","slug":"kompaniya-siemens-vypustila-gipervizor-jailhouse-0-11","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/kompaniya-siemens-vypustila-gipervizor-jailhouse-0-11","title":{"rendered":"Siemens har udgivet hypervisoren Jailhouse 0.11","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Siemens <noindex><a rel=\"nofollow\" href=\"https:\/\/lkml.org\/lkml\/2019\/7\/8\/86\">offentliggjorde<\/a><\/noindex> udgivelsen af den frie hypervisor <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse\">Jailhouse 0.11<\/a><\/noindex>. Hypervisor fungerer p\u00e5 x86_64-systemer med VMX+EPT eller SVM+NPT (AMD-V) udvidelser, samt p\u00e5 ARMv7 og ARMv8\/ARM64 processorer med virtualiseringsegenskaber. Separat <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse-images\">udvikles<\/a><\/noindex> billedgenerator til Jailhouse hypervisor, der er baseret p\u00e5 Debian-pakker til underst\u00f8ttede enheder. Projektkoden <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse\">distribueres<\/a><\/noindex>  er under GPLv2-licensen. <\/p>\n<p>Hypervisoren implementeres som et modul til Linux-kernen og leverer virtualisering p\u00e5 kernel-niveau. Komponenterne til g\u00e6stesystemer er allerede inkluderet i selve Linux-kernen. Isoleringen styres ved hj\u00e6lp af de hardwaremekanismer til virtualisering, der tilbydes af moderne CPU'er. De s\u00e6rlige kendetegn ved Jailhouse er den letv\u00e6gtsimplementering og fokus p\u00e5 binding af virtuelle maskiner til faste CPU'er, RAM-omr\u00e5der og hardwareenheder. Denne tilgang g\u00f8r det muligt at k\u00f8re flere uafh\u00e6ngige virtuelle milj\u00f8er p\u00e5 en enkelt fysisk multiprocessor-server, hvor hvert milj\u00f8 er knyttet til sin egen CPU-kerne. <\/p>\n<p>Ved en stram binding til CPU minimeres overhead fra hypervisorens drift, og implementeringen forenkles betydeligt, da der ikke er behov for at udf\u00f8re en kompleks ressourcefordelingsplanl\u00e6gger \u2014 tildelingen af en separat CPU-kerne garanterer, at der ikke udf\u00f8res andre opgaver p\u00e5 denne CPU. Fordelen ved denne tilgang er muligheden for at sikre garanteret adgang til ressourcer og forudsigelig ydeevne, hvilket g\u00f8r Jailhouse til en passende l\u00f8sning for opgaver, der k\u00f8rer i realtid. Ulempen er den begr\u00e6nsede skalerbarhed, som er begr\u00e6nset af antallet af CPU-kerner.<\/p>\n<p>I Jailhouse-terminologi kaldes virtuelle milj\u00f8er \"celler\" (cell, i konteksten af jailhouse). Inden i cellen ser systemet ud som en enkerne-server, der viser ydeevne <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.google.com\/file\/d\/0B6HTUUWSPdd-Zl93MVhlMnRJRjg\/edit\">n\u00e6r<\/a><\/noindex> ydelsen fra en dedikeret CPU-kerne. I cellen kan der k\u00f8re et hvilket som helst operativsystem, samt begr\u00e6nsede milj\u00f8er til at k\u00f8re en enkelt applikation eller specialforberedte separerede applikationer, der er designet til at h\u00e5ndtere realtidsopgaver. Konfigurationen angives i <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse\/blob\/master\/configs\/\">.cell-filer<\/a><\/noindex>, der definerer de tildelte CPU'er, hukommelsesomr\u00e5der og ind-\/udgangsporte for milj\u00f8et. <\/p>\n<p><center><img decoding=\"async\" alt=\"Siemens har udgivet hypervisoren Jailhouse 0.11\" src=\"\/wp-content\/uploads\/2019\/07\/637fe3330b175ba0bceebf4abc58f2b3.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>I den nye udgivelse<\/p>\n<ul>\n<li class=\"l\"> Support for Marvell MACCHIATObin, Xilinx Ultra96 platforms added,<br \/>\n Microsys miriac SBC-LS1046A and Texas Instruments AM654 IDK;<\/p>\n<li class=\"l\"> Statistics added for each CPU core;\n<li class=\"l\"> PCI devices are reset when the camera shuts down;\n<li class=\"l\"> Device Tree structure adapted for the latest kernel releases of Linux;\n<li class=\"l\"> For ARM and ARM64 platforms, protection against Spectre v2 attacks added. Recent QEMU releases have been accounted for in the qemu-arm64 settings. Issues with the PSCI firmware overwrite on Orange Pi Zero boards have been resolved;\n<li class=\"l\"> For the x86 platform, the use of SSE and AVX instructions has been enabled when launching demonstration environments (inmates), and an exception report has been added.\n<\/ul>\n<p>Future plans include the long-awaited support for IOMMUv3, increased efficiency in CPU cache usage (<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Cache_coloring\">cache coloring<\/a><\/noindex>), resolution of APIC problems on AMD Ryzen processors, redesign of the ivshmem device and promotion of drivers into the main kernel.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Kilde: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51057\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Siemens \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Jailhouse 0.11. \u0413\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0443 \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 x86_64 \u0441 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f\u043c\u0438 VMX+EPT \u0438\u043b\u0438 SVM+NPT (AMD-V), \u0430 \u0442\u0430\u043a\u0436\u0435 \u043d\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u0445 ARMv7 \u0438 ARMv8\/ARM64 \u0441 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f\u043c\u0438 \u0434\u043b\u044f \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438. \u041e\u0442\u0434\u0435\u043b\u044c\u043d\u043e \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 \u043e\u0431\u0440\u0430\u0437\u043e\u0432 \u0434\u043b\u044f \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Jailhouse, \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u043c\u044b\u0445 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 Debian \u0434\u043b\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv2. \u0413\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d \u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":26909,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-35994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Siemens \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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