![\"TinyKVM](\"\/wp-content\/uploads\/2025\/03\/f561d37ddc61ac392508c8301906cae5.jpg\")
![\"TinyKVM](\"\/wp-content\/uploads\/2025\/03\/f55fbfe95625c87659ff985675213362.jpg\")
<\/center> <\/p>\nVid k\u00f6rning med TinyKVM exekveras programmets maskinkod utan emulerande lager p\u00e5 CPU och begr\u00e4nsas via KVM-hypervisorens API, vilket g\u00f6r att overheaden kan uteslutas och prestandan kan n\u00e5 niv\u00e5er n\u00e4ra prestandan utan virtualisering. Huvudfunktionerna i TinyKVM \u00e4r: <\/p>\n
- \n
- Begr\u00e4nsning av maximal exekveringstid. Programmet kan tv\u00e5ngsstoppas efter att tidsgr\u00e4nsen uppn\u00e5tts, utan att signalhanterare och tr\u00e5dar kallas.\n
- Begr\u00e4nsning av minnesanv\u00e4ndning.\n
- M\u00f6jlighet att skapa (forka) oinitierade instanser virtuella maskiner<\/a> fr\u00e5n en initierad instans av det isolerade programmet. Kopior av virtuella maskiner skapas i copy-on-write-l\u00e4ge, vilket m\u00f6jligg\u00f6r avsev\u00e4rda besparingar i minne genom att endast lagra en instans av gemensamma data.\n
- Forkade processer kan \u00e5terst\u00e4llas till ett tidigare tillst\u00e5nd (till exempel kan en forkad http-beg\u00e4rarprocessor \u00e5terg\u00e5 till sitt ursprungliga tillst\u00e5nd efter att ha behandlat varje beg\u00e4ran utan att startas om). En instans av en isolerad process kan ocks\u00e5 \u00e5terst\u00e4llas till tillst\u00e5ndet f\u00f6r en annan virtuell maskin, inte n\u00f6dv\u00e4ndigtvis den den forkades fr\u00e5n, men kostnaderna kommer att vara h\u00f6gre eftersom det kr\u00e4vs en \u00e4ndring av sidtabellen.\n
- M\u00f6jlighet att skapa statiska minnessidor under initiering, som \u00e4r l\u00e4mpliga \u00e4ven f\u00f6r avancerade runtime-milj\u00f6er, som till exempel Go-spr\u00e5ket. I detta fall till\u00e5ts \u00e4ndringar endast f\u00f6r sidor i copy-on-write-l\u00e4ge.\n
- St\u00f6d f\u00f6r fj\u00e4rrdebugging med GDB. Debugging i realtid med \u00e5terupptagning av exekveringen \u00e4r m\u00f6jlig. <\/ul>\n
G\u00e4stmilj\u00f6n TinyKVM bildar en komprimerad k\u00e4rna, skyddad mot f\u00f6r\u00e4ndringar, som \u00e4r sammansatt med minnesskydd aktiverat och anv\u00e4nder SMAP (Supervisor Mode Access Prevention) och SMEP (Supervisor Mode Execution Prevention) f\u00f6r extra isolering mellan k\u00e4rnan och anv\u00e4ndarrummet. TinyKVM anv\u00e4nder stora minnessidor (hugepages) f\u00f6r att f\u00f6rb\u00e4ttra prestandan. Systemanrop som g\u00f6rs av program f\u00e5ngas av emulatorn och omdirigeras till v\u00e4rdmilj\u00f6n (f\u00f6rdr\u00f6jningen f\u00f6r behandling och \u00f6vers\u00e4ttning av det emulerade anropet \u00e4r cirka 2 mikrosekunder). I sj\u00e4lva en virtuell maskin<\/a> anv\u00e4nds inga drivrutiner, in- och utmatning eller virtuella enheter.
![\"TinyKVM](\"\/wp-content\/uploads\/2025\/03\/4e61b85f98c4d3dfa4f85f67b6b51b56.jpg\")
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K\u00e4lla: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Varnish Software, \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u044e\u0449\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0439 \u0434\u043e\u0441\u0442\u0430\u0432\u043a\u0438 \u0438 \u043a\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043a\u043e\u043d\u0442\u0435\u043d\u0442\u0430, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0439 \u043f\u0440\u043e\u0435\u043a\u0442 TinyKVM, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0434\u043b\u044f \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 KVM. \u0426\u0435\u043b\u044c\u044e \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0437\u0430\u044f\u0432\u043b\u0435\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u0441\u0430\u043c\u043e\u0439 \u0431\u044b\u0441\u0442\u0440\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b sandbox-\u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0435\u0439 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u0443\u044e \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0430\u0445 C \u0438 \u0421++, \u0438 \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 GPLv3 (\u0434\u043b\u044f \u043d\u0435 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":122614,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-122613","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47TinyKVM f\u00f6r 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