{"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\/pl\/blog\/news\/kompaniya-siemens-vypustila-gipervizor-jailhouse-0-11","title":{"rendered":"Firma Siemens wyda\u0142a hipernadzorc\u0119 Jailhouse 0.11","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Firma Siemens <noindex><a rel=\"nofollow\" href=\"https:\/\/lkml.org\/lkml\/2019\/7\/8\/86\">opublikowa\u0142a<\/a><\/noindex> wydanie wolnego hipernadzorcy <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse\">Jailhouse 0.11<\/a><\/noindex>. Hypervisor obs\u0142uguje dzia\u0142anie na systemach x86_64 z rozszerzeniami VMX+EPT lub SVM+NPT (AMD-V), a tak\u017ce na procesorach ARMv7 i ARMv8\/ARM64 z rozszerzeniami dla wirtualizacji. Osobno <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse-images\">rozwijana jest<\/a><\/noindex> generator obraz\u00f3w dla hyperwizora Jailhouse, tworzonych w oparciu o pakiety Debian dla wspieranych urz\u0105dze\u0144. Kod projektu <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse\">rozpowszechniany<\/a><\/noindex>  na licencji GPLv2. <\/p>\n<p>Hypervisor zrealizowany jest jako modu\u0142 j\u0105dra Linux i zapewnia wirtualizacj\u0119 na poziomie j\u0105dra. Komponenty dla system\u00f3w go\u015bcinnych s\u0105 ju\u017c w\u0142\u0105czone w sk\u0142ad podstawowego j\u0105dra Linux. Do zarz\u0105dzania izolacj\u0105 wykorzystywane s\u0105 nowoczesne mechanizmy sprz\u0119towe do wirtualizacji oferowane przez procesory. Cech\u0105 wyr\u00f3\u017cniaj\u0105c\u0105 Jailhouse jest lekka realizacja oraz orientacja na przypisanie wirtualnych maszyn do sta\u0142ego CPU, obszaru RAM i urz\u0105dze\u0144 sprz\u0119towych. Takie podej\u015bcie pozwala na zapewnienie funkcjonowania kilku niezale\u017cnych wirtualnych \u015brodowisk na jednym fizycznym serwerze wieloprocesorowym, z kt\u00f3rych ka\u017cde jest przypisane do swojego rdzenia procesora. <\/p>\n<p>Przy \u015bcis\u0142ym powi\u0105zaniu z CPU narzuty wynikaj\u0105ce z dzia\u0142ania hyperwizora s\u0105 minimalizowane, co znacznie upraszcza jego wdro\u017cenie, poniewa\u017c nie ma potrzeby stosowania skomplikowanego harmonogramu przydzia\u0142u zasob\u00f3w - przydzielenie oddzielnego rdzenia CPU pozwala zapewni\u0107, \u017ce na danym CPU nie b\u0119d\u0105 wykonywane inne zadania. Zalet\u0105 tego podej\u015bcia jest mo\u017cliwo\u015b\u0107 zapewnienia gwarantowanego dost\u0119pu do zasob\u00f3w i przewidywalnej wydajno\u015bci, co czyni Jailhouse odpowiednim rozwi\u0105zaniem do tworzenia zada\u0144 dzia\u0142aj\u0105cych w czasie rzeczywistym. Wad\u0105 jest ograniczona skalowalno\u015b\u0107, opieraj\u0105ca si\u0119 na liczbie rdzeni CPU.<\/p>\n<p>W terminologii Jailhouse wirtualne \u015brodowiska nazywane s\u0105 \u201ecelami\u201d (cell, w kontek\u015bcie Jailhouse). Wewn\u0105trz celi system wygl\u0105da jak jednoprosesorowy serwer, wykazuj\u0105cy wydajno\u015b\u0107 <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.google.com\/file\/d\/0B6HTUUWSPdd-Zl93MVhlMnRJRjg\/edit\">blisk\u0105<\/a><\/noindex> wydajno\u015bci dedykowanego rdzenia CPU. W komorze mo\u017ce by\u0107 uruchomione \u015brodowisko dowolnego systemu operacyjnego, a tak\u017ce uproszczone \u015brodowiska do uruchamiania jednego aplikacji lub specjalnie przygotowane oddzielne aplikacje, przeznaczone do rozwi\u0105zywania zada\u0144 czasu rzeczywistego. Konfiguracja okre\u015blana jest w <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse\/blob\/master\/configs\/\">.pliki .cell<\/a><\/noindex>, definiuj\u0105ce przydzielane \u015brodowisku CPU, obszary pami\u0119ci i porty wej\u015bcia\/wyj\u015bcia. <\/p>\n<p><center><img decoding=\"async\" alt=\"Firma Siemens wyda\u0142a hipernadzorc\u0119 Jailhouse 0.11\" src=\"\/wp-content\/uploads\/2019\/07\/637fe3330b175ba0bceebf4abc58f2b3.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>W nowym wydaniu<\/p>\n<ul>\n<li class=\"l\"> Dodano wsparcie dla platform Marvell MACCHIATObin, Xilinx Ultra96,<br \/>\n Microsys miriac SBC-LS1046A i Texas Instruments AM654 IDK;<\/p>\n<li class=\"l\"> Dodano statystyki w podziale na ka\u017cde rdzenie CPU;\n<li class=\"l\"> Zapewniono reset urz\u0105dze\u0144 PCI przy zasilaniu kamery;\n<li class=\"l\"> Struktura Device Tree dostosowana do ostatnich wyda\u0144 j\u0105dra Linux;\n<li class=\"l\"> Dodano ochron\u0119 przed atakami Spectre v2 dla platform ARM i ARM64. W ustawieniach qemu-arm64 uwzgl\u0119dniono zmiany z ostatnich wyda\u0144 QEMU. Rozwi\u0105zano problemy z nadpisywaniem firmware PSCI na p\u0142ytach Orange Pi Zero;\n<li class=\"l\"> Dla platformy x86 przy uruchamianiu \u015brodowisk demonstracyjnych (inmates) w\u0142\u0105czono wykorzystanie instrukcji SSE i AVX, a tak\u017ce dodano raport o wyj\u0105tkach.\n<\/ul>\n<p>W planach na przysz\u0142o\u015b\u0107 zaznaczono d\u0142ugo oczekiwane wsparcie IOMMUv3, popraw\u0119 efektywno\u015bci wykorzystania pami\u0119ci podr\u0119cznej CPU (<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Cache_coloring\">cache coloring<\/a><\/noindex>), wyeliminowanie problem\u00f3w z APIC na procesorach AMD Ryzen, przebudow\u0119 urz\u0105dzenia ivshmem oraz promowanie sterownik\u00f3w do g\u0142\u00f3wnego sk\u0142adu j\u0105dra.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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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