{"id":181745,"date":"2026-05-26T02:49:17","date_gmt":"2026-05-26T00:49:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kernelscript-0-1-0"},"modified":"2026-05-26T02:49:17","modified_gmt":"2026-05-26T00:49:17","slug":"kernelscript-0-1-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/kernelscript-0-1-0","title":{"rendered":"KernelScript 0.1.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <noindex><\/p>\n<p>P\u0159edstaven\u00ed <strong><a rel=\"nofollow\" href=\"https:\/\/github.com\/multikernel\/kernelscript\">KernelScript<\/a><\/strong> \u2014 experiment\u00e1ln\u00ed programovac\u00ed jazyk pro v\u00fdvoj eBPF program\u016f, u\u017eivatelsk\u00fdch zav\u00e1d\u011b\u010d\u016f a roz\u0161\u00ed\u0159en\u00ed j\u00e1dra Linuxu z jedin\u00e9 k\u00f3dov\u00e9 z\u00e1kladny. Projekt vyv\u00edj\u00ed <strong>Multikernel Technologies<\/strong>, spole\u010dnost, kter\u00e1 propaguje architekturu split-kernel \/ multikernel pro Linux. O KernelScript hovo\u0159il zakladatel spole\u010dnosti Cong Wang na Linux Foundation Open Source Summit; k\u00f3d projektu byl zve\u0159ejn\u011bn na GitHubu pod licenc\u00ed <strong>Apache 2.0<\/strong>.<\/p>\n<p><\/noindex><\/noindex><br \/>\n<noindex><\/p>\n<p>eBPF (Extended Berkeley Packet Filter) \u2014 technologie, kter\u00e1 umo\u017e\u0148uje spou\u0161t\u011bt mal\u00e9 programy p\u0159\u00edmo v j\u00e1d\u0159e Linuxu, ani\u017e by se dot\u00fdkala jeho k\u00f3du a ohro\u017eovala stabilitu syst\u00e9mu. eBPF pom\u00e1h\u00e1 \u0159e\u0161it \u0159adu \u00faloh, od monitorov\u00e1n\u00ed v\u00fdkonu po zabezpe\u010den\u00ed a optimalizaci s\u00edt\u011b. Nap\u0159\u00edklad pomoc\u00ed eBPF lze sledovat syst\u00e9mov\u00e9 vol\u00e1n\u00ed, s\u00ed\u0165ov\u00fd provoz a dal\u0161\u00ed ud\u00e1losti v re\u00e1ln\u00e9m \u010dase. To umo\u017e\u0148uje identifikovat \u00fazk\u00e1 m\u00edsta ve v\u00fdkonu a optimalizovat syst\u00e9m (<a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/companies\/selectel\/articles\/887272\/\">Habr<\/a>).<\/p>\n<p><\/noindex><\/p>\n<p>My\u0161lenka KernelScript \u2014 u\u010dinit v\u00fdvoj eBPF m\u00e9n\u011b bolestiv\u00fdm ne\u017e p\u0159i pou\u017eit\u00ed kombinace C + libbpf, a p\u0159itom se neomezovat pouze na trasov\u00e1n\u00ed, jako je bpftrace. V\u00fdvoj\u00e1\u0159i popisuj\u00ed jazyk jako typov\u011b bezpe\u010dn\u00fd DSL, kter\u00fd spojuje <strong>eBPF<\/strong>, v\u00fdvoj u\u017eivatelsk\u00e9ho prostoru a kernelspace: z jednoho zdrojov\u00e9ho souboru by kompil\u00e1tor m\u011bl generovat k\u00f3d pro eBPF programy, \u010d\u00e1st userspace a integraci s kernelov\u00fdmi moduly p\u0159es kfunc.<\/p>\n<p>Uveden\u00e9 mo\u017enosti KernelScript:<\/p>\n<ul>\n<li>\n<p><strong>Kompilace pro r\u016fzn\u00e9 c\u00edle z jednoho souboru<\/strong> \u2014 funkce s atributy jako @xdp, @tc, @helper a @kfunc jsou automaticky p\u0159i\u0159azov\u00e1ny k pot\u0159ebn\u00e9 \u010d\u00e1sti: XDP\/TC program, helper funkce, kernel funkce nebo b\u011b\u017en\u00fd userspace k\u00f3d.<\/p>\n<\/li>\n<li>\n<p><strong>Automatizace tail calls<\/strong> \u2014 m\u00edsto ru\u010dn\u00ed konfigurace program array a vol\u00e1n\u00ed bpf_tail_call() se v\u00fdvoj\u00e1\u0159\u016fm nab\u00edz\u00ed ps\u00e1t b\u011b\u017en\u00e9 vol\u00e1n\u00ed jin\u00e9 funkce, p\u0159i\u010dem\u017e generaci n\u00edzko\u00farov\u0148ov\u00e9ho eBPF k\u00f3du ponech\u00e1vaj\u00ed kompil\u00e1toru.<\/p>\n<\/li>\n<li>\n<p><strong>Zjednodu\u0161en\u00e1 pr\u00e1ce s dynptr a eBPF maps<\/strong> \u2014 jazyk skr\u00fdv\u00e1 \u010d\u00e1st manu\u00e1ln\u00ed pr\u00e1ce s bpf_ringbuf_reserve_dynptr, bpf_dynptr_write a podobn\u00fdmi API. eBPF mapy lze pou\u017e\u00edvat jako glob\u00e1ln\u00ed prom\u011bnn\u00e9, kter\u00e9 jsou dostupn\u00e9 r\u016fzn\u00fdm program\u016fm.<\/p>\n<\/li>\n<li>\n<p><strong>Kontrola \u017eivotn\u00edho cyklu program\u016f<\/strong> \u2014 eBPF programy jsou zastoupeny jako typovan\u00e9 hodnoty, co\u017e podle autor\u016f umo\u017e\u0148uje na \u00farovni kompilace p\u0159edej\u00edt chyb\u00e1m, jako je pokus o vykon\u00e1n\u00ed attach() p\u0159ed \u00fasp\u011b\u0161n\u00fdm na\u010dten\u00edm.<\/p>\n<\/li>\n<li>\n<p><strong>Podpora kfunc<\/strong> \u2014 KernelScript umo\u017e\u0148uje deklarovat funkce s atributem @kfunc, kter\u00e9 se vykon\u00e1vaj\u00ed v j\u00e1drov\u00e9m prostoru a mohou b\u00fdt vol\u00e1ny z eBPF program\u016f; pro n\u011b je sl\u00edbena automatick\u00e1 generace kernel modulu a BTF registrac\u00ed.<\/p>\n<\/li>\n<li>\n<p><strong>Podpora hlavn\u00edch typ\u016f eBPF program\u016f<\/strong> \u2014 v README jsou uvedeny p\u0159\u00edklady pro XDP, TC, probe programy a perf_event, v\u010detn\u011b pr\u00e1ce s hardwarov\u00fdmi m\u011b\u0159i\u010di v\u00fdkonu.<\/p>\n<\/li>\n<\/ul>\n<p>Auto\u0159i zd\u016fraz\u0148uj\u00ed, \u017ee KernelScript nen\u00ed n\u00e1hradou za j\u00e1dro Linuxu nebo nov\u00fd eBPF runtime. Je to sp\u00ed\u0161e p\u0159eklada\u010d a jazyk vy\u0161\u0161\u00ed \u00farovn\u011b, kter\u00fd m\u00e1 generovat obvykl\u00e9 n\u00edzko\u00farov\u0148ov\u00e9 komponenty: eBPF k\u00f3d, userspace na\u010d\u00edta\u010de, Makefile a, pokud je to nutn\u00e9, kernel modul.<\/p>\n<p>Projekt by m\u011bl b\u00fdt zat\u00edm pova\u017eov\u00e1n za ran\u00fd experiment. V repozit\u00e1\u0159i je p\u0159\u00edmo uvedeno, \u017ee KernelScript je v f\u00e1zi <strong>beta<\/strong>, syntaxe a API se mohou m\u011bnit bez zachov\u00e1n\u00ed zp\u011btn\u00e9 kompatibility, a jeho pou\u017eit\u00ed v produkci se prozat\u00edm nedoporu\u010duje.<\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/opensource\/18301757\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d KernelScript \u2014 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u044b\u0439 \u044f\u0437\u044b\u043a \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 eBPF-\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c, \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0445 \u0437\u0430\u0433\u0440\u0443\u0437\u0447\u0438\u043a\u043e\u0432 \u0438 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0439 \u044f\u0434\u0440\u0430 Linux \u0438\u0437 \u0435\u0434\u0438\u043d\u043e\u0439 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u044b. \u041f\u0440\u043e\u0435\u043a\u0442 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 Multikernel Technologies, \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f, \u043f\u0440\u043e\u0434\u0432\u0438\u0433\u0430\u044e\u0449\u0430\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0443 split-kernel \/ multikernel \u0434\u043b\u044f Linux. \u041e KernelScript \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0430\u043b \u043e\u0441\u043d\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Cong Wang \u043d\u0430 Linux Foundation Open Source Summit; \u043a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043d\u0430 GitHub \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0. eBPF (Extended [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-181745","post","type-post","status-publish","format-standard","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=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d KernelScript \u2014 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u044b\u0439 \u044f\u0437\u044b\u043a 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