{"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\/hr\/blog\/news\/kompaniya-siemens-vypustila-gipervizor-jailhouse-0-11","title":{"rendered":"Tvrtka Siemens je izdala hipervizor Jailhouse 0.11","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Tvrtka Siemens <noindex><a rel=\"nofollow\" href=\"https:\/\/lkml.org\/lkml\/2019\/7\/8\/86\">objavila<\/a><\/noindex> izdanje slobodnog hipervizora <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse\">Jailhouse 0.11<\/a><\/noindex>. Hipervizor podr\u017eava rad na sustavima x86_64 s VMX+EPT ili SVM+NPT (AMD-V) pro\u0161irenjima, kao i na ARMv7 i ARMv8\/ARM64 procesorima s pro\u0161irenjima za virtualizaciju. Odvojeno <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse-images\">razvija se<\/a><\/noindex> generator slika za hipervizor Jailhouse, izra\u0111enih na osnovu Debian paketa za podr\u017eane ure\u0111aje. Kod projekta <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse\">distribuira se<\/a><\/noindex>  pod GPLv2 licencom. <\/p>\n<p>Hipervizor je implementiran kao modul za Linux kernel i omogu\u0107uje virtualizaciju na razini jezgre. Komponente za gostuju\u0107e sustave ve\u0107 su uklju\u010dene u glavni Linux kernel. Za upravljanje izolacijom koriste se hardverski mehanizmi virtualizacije koje pru\u017eaju moderni CPU-ovi. Istaknute zna\u010dajke Jailhouse-a su lagana implementacija i orijentacija na dodeljivanje virtualnih ma\u0161ina fiksnom CPU-u, oblastima RAM-a i hardverskim ure\u0111ajima. Ovakav pristup omogu\u0107uje rad nekoliko neovisnih virtualnih okru\u017eenja na jednom fizi\u010dkom vi\u0161ekprocessorskom poslu\u017eitelju, od kojih je svako vezano za svoju jezgru procesora. <\/p>\n<p>Uz strogu vezanost za CPU, tro\u0161kovi vezani uz rad hiperveznika svode se na minimum, a njegova realizacija se zna\u010dajno pojednostavljuje, budu\u0107i da nije potrebna slo\u017eena shema raspodjele resursa \u2014 dodjeljivanje zasebne jezgre CPU omogu\u0107uje jamstvo da na tom CPU ne rade drugi zadaci. Prednost ovog pristupa je mogu\u0107nost osiguravanja zajam\u010denog pristupa resursima i predvidive izvedbe, \u0161to \u010dini Jailhouse prikladnim rje\u0161enjem za izradu zadataka koji se izvr\u0161avaju u realnom vremenu. Nedostatak je ograni\u010dena skalabilnost, koja ovisi o broju jezgri CPU.<\/p>\n<p>U terminologiji Jailhouse, virtualna okru\u017eenja nazivaju se \u201ezajecima\u201c (cell, u kontekstu jailhouse). Unutar zajeca, sustav izgleda kao jednoprecessorski server, koji prikazuje izvedbu. <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.google.com\/file\/d\/0B6HTUUWSPdd-Zl93MVhlMnRJRjg\/edit\">bliske<\/a><\/noindex> performansama dodijeljene CPU jezgre. U \u0107eliji mo\u017ee biti pokrenuto okru\u017eenje proizvoljnog operativnog sustava, kao i skra\u0107ena okru\u017eenja za pokretanje jedne aplikacije ili posebno pripremljene pojedina\u010dne aplikacije, namijenjene rje\u0161avanju zadataka u stvarnom vremenu. Konfiguracija se postavlja u <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse\/blob\/master\/configs\/\">.cell datotekama<\/a><\/noindex>, koje definiraju dodeljene CPU-e, regije memorije i ulazno\/izlazne portove. <\/p>\n<p><center><img decoding=\"async\" alt=\"Tvrtka Siemens je izdala hipervizor Jailhouse 0.11\" src=\"\/wp-content\/uploads\/2019\/07\/637fe3330b175ba0bceebf4abc58f2b3.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>U novom izdanju<\/p>\n<ul>\n<li class=\"l\"> Dodana podr\u0161ka za platforme Marvell MACCHIATObin, Xilinx Ultra96,<br \/>\n Microsys miriac SBC-LS1046A i Texas Instruments AM654 IDK;<\/p>\n<li class=\"l\"> Dodana statistika po jezgrima CPU;\n<li class=\"l\"> Osiguran reset PCI ure\u0111aja prilikom ga\u0161enja kamere;\n<li class=\"l\"> Struktura Device Tree prilago\u0111ena za najnovije verzije Linux jezgre;\n<li class=\"l\"> Za ARM i ARM64 platforme dodana za\u0161tita od Spectre v2 napada. U qemu-arm64 pode\u0161avanjima uzeti su u obzir poslednji ispravci QEMU. Re\u0161eni su problemi s prepisivanjem PSCI firmvera na Orange Pi Zero plo\u010dama;\n<li class=\"l\"> Za x86 platformu, prilikom pokretanja demonstracionih okru\u017eenja (inmates), omogu\u0107ena je upotreba SSE i AVX instrukcija, kao i dodati izve\u0161taji o izuzecima.\n<\/ul>\n<p>U planovima za budu\u0107nost isti\u010de se dugo o\u010dekivana podr\u0161ka za IOMMUv3, pove\u0107anje efikasnosti kori\u0161\u0107enja procesorskih ke\u0161 memorija (<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Cache_coloring\">cache coloring<\/a><\/noindex>), re\u0161avanje problema s APIC na AMD Ryzen procesorima, prepravka ivshmem ure\u0111aja i unapre\u0111enje drajvera u glavni deo jezgre.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Izvor: <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 5.0.4 - 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 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