{"id":53000,"date":"2019-11-21T00:00:00","date_gmt":"2019-11-20T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/google-rabotaet-nad-ispolzovaniem-obychnogo-yadra-linux-v-android"},"modified":"2020-02-18T14:00:50","modified_gmt":"2020-02-18T11:00:50","slug":"google-rabotaet-nad-ispolzovaniem-obychnogo-yadra-linux-v-android","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/google-rabotaet-nad-ispolzovaniem-obychnogo-yadra-linux-v-android","title":{"rendered":"Google lucreaz\u0103 la utilizarea nucleului standard Linux \u00een Android","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La conferin\u021ba Linux Plumbers 2019, compania Google <noindex><a rel=\"nofollow\" href=\"https:\/\/arstechnica.com\/gadgets\/2019\/11\/google-outlines-plans-for-mainline-linux-kernel-support-in-android\/\">ne-a povestit<\/a><\/noindex>  despre dezvoltare <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=49648\">ini\u021biativei<\/a><\/noindex> a modific\u0103rilor care sunt transferate \u00een nucleul principal al Linux, dezvoltate \u00een <noindex><a rel=\"nofollow\" href=\"https:\/\/android.googlesource.com\/kernel\/common\/+refs\">varianta de nucleu<\/a><\/noindex> pentru platforma Android. Scopul final este de a oferi posibilitatea utiliz\u0103rii unui singur nucleu comun \u00een Android, \u00een locul preg\u0103tirii de compil\u0103ri separate pentru fiecare dispozitiv, bazate pe ramura specific\u0103 Android <noindex><a rel=\"nofollow\" href=\"https:\/\/source.android.com\/devices\/architecture\/kernel\/android-common\">Android Common Kernel<\/a><\/noindex>. Acest obiectiv a fost deja par\u021bial atins, iar la conferin\u021b\u0103 a fost demonstrat un smartphone Android Xiaomi Poco F1 cu firmware bazat pe nucleul Linux standard, nemodificat.<\/p>\n<p>Dup\u0103 finalizarea proiectului, furnizorilor li se va propune livrarea nucleului de baz\u0103 bazat pe nucleul principal Linux. Componentele pentru suportul echipamentului vor fi furnizate de furnizori doar sub form\u0103 de module suplimentare pentru nucleu, f\u0103r\u0103 aplicarea de patch-uri pe nucleu. Modulele trebuie s\u0103 asigure compatibilitatea cu nucleul principal la nivelul spa\u021biului de nume al simbolurilor nucleului. Toate modific\u0103rile ce afecteaz\u0103 nucleul principal vor fi promovate upstream. Pentru a men\u021bine compatibilitatea cu modulele proprietare \u00een cadrul ramurilor LTS, se propune p\u0103strarea stabil\u0103 a API-ului \u0219i ABI-ului nucleului, ceea ce va permite men\u021binerea compatibilit\u0103\u021bii modulelor cu actualiz\u0103rile pentru fiecare ramur\u0103 comun\u0103 a nucleului.<\/p>\n<p><center><img decoding=\"async\" alt=\"Google lucreaz\u0103 la utilizarea nucleului standard Linux \u00een Android\" src=\"\/wp-content\/uploads\/2019\/11\/18f8a41befddc7d81c07b9c6d1bf44c2.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>\u00cen decurs de un an, \u00een nucleul principal Linux au fost transferate din edi\u021bia de nucleu pentru Android func\u021bii precum sub-sistemul PSI (Pressure Stall Information) pentru analiza timpului de a\u0219teptare a ob\u021binerii diferitelor resurse (CPU, memorie, intrare\/ie\u0219ire), sistemul pseudo fi\u0219ier BinderFS pentru mecanismul de interac\u021biune \u00eentre procese Binder \u0219i programatorul de sarcini eficient energetic EAS (Energy Aware Scheduling). \u00cen continuare, se preconizeaz\u0103 ca Android s\u0103 fie transferat de la programatorul specific SchedTune la noul sub-sistem UtilClamp dezvoltat de ARM, bazat pe cgroups2 \u0219i mecanismele standard ale nucleului.<\/p>\n<p><center><img decoding=\"async\" alt=\"Google lucreaz\u0103 la utilizarea nucleului standard Linux \u00een Android\" src=\"\/wp-content\/uploads\/2019\/11\/2db4ca76f6a87b2ad28a7510a4deb79c.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>S\u0103 ne amintim c\u0103 p\u00e2n\u0103 acum nucleul pentru platforma Android a trecut prin mai multe etape de preg\u0103tire:<\/p>\n<ul>\n<li class=\"l\"> Pe baza nucleelor LTS de baz\u0103 (3.18, 4.4, 4.9 \u0219i 4.14) a fost creat un ramur\u0103 numit\u0103 &#171;Android Common Kernel&#187;, \u00een care au fost transferate patch-uri specifice Android (anterior, dimensiunea modific\u0103rilor ajungea la c\u00e2teva milioane de linii, dar recent modific\u0103rile au fost reduse la c\u00e2teva mii de linii de cod).\n<li class=\"l\"> Pe baza &#171;Android Common Kernel&#187;, produc\u0103torii de cipuri, cum ar fi Qualcomm, au creat &#171;SoC Kernel&#187;, care include ad\u0103ugiri pentru suportul hardware-ului.\n<li class=\"l\"> Pe baza &#171;SoC Kernel&#187;, produc\u0103torii de dispozitive au creat &#171;Device Kernel&#187;, care include modific\u0103ri legate de suportul pentru hardware suplimentar, ecrane, camere, sisteme audio etc.\n<\/ul>\n<p><center><img decoding=\"async\" alt=\"Google lucreaz\u0103 la utilizarea nucleului standard Linux \u00een Android\" src=\"\/wp-content\/uploads\/2019\/11\/3a7d495f71eaef927e79912ca62776d8.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>\u00cen esen\u021b\u0103, pentru fiecare dispozitiv a fost creat un nucleu propriu, care nu putea fi utilizat pe alte dispozitive. Aceast\u0103 schem\u0103 complic\u0103 semnificativ actualizarea cu patch-uri de securitate \u0219i trecerea la noi ramuri ale nucleului. De exemplu, cel mai recent smartphone Pixel 4, lansat \u00een octombrie, vine cu nucleul Linux 4.14, care a fost lansat cu doi ani \u00een urm\u0103. Par\u021bial, Google a \u00eencercat s\u0103 simplifice \u00eentre\u021binerea prin promovarea sistemului <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48588\">Treble<\/a><\/noindex>, care permite produc\u0103torilor s\u0103 creeze componente universale de suport hardware, independente de versiunile specifice de Android \u0219i de versiunile nucleului Linux utilizate. Treble ofer\u0103 posibilitatea de a folosi actualiz\u0103rile deja existente de la Google ca baz\u0103, integr\u00e2nd componente specifice pentru fiecare dispozitiv. <\/p>\n<p><center><br \/>\n<div class=\"youtube-placeholder\" data-id=\"f2C-gA8jEyY\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/f2C-gA8jEyY\/hqdefault.jpg\" alt=\"Reda\u021bi video\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div><\/center><\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51905\">opennet.ro<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0430 \u043f\u0440\u043e\u0448\u0435\u0434\u0448\u0435\u0439 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 Linux Plumbers 2019 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0430\u043b\u0430 \u043e \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0438 \u0438\u043d\u0438\u0446\u0438\u0430\u0442\u0438\u0432\u044b \u043f\u043e \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0443 \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0435 \u044f\u0434\u0440\u043e Linux \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0432 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0435 \u044f\u0434\u0440\u0430 \u0434\u043b\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Android. \u041a\u043e\u043d\u0435\u0447\u043d\u043e\u0439 \u0446\u0435\u043b\u044c\u044e \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 Android \u043e\u0434\u043d\u043e\u0433\u043e \u043e\u0431\u0449\u0435\u0433\u043e \u044f\u0434\u0440\u0430, \u0432\u043c\u0435\u0441\u0442\u043e \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043a\u0438 \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0441\u0431\u043e\u0440\u043e\u043a \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u043e\u0439 \u0434\u043b\u044f Android \u0432\u0435\u0442\u043a\u0438 Android Common Kernel. \u0414\u0430\u043d\u043d\u0430\u044f \u0446\u0435\u043b\u044c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-53000","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041d\u0430 \u043f\u0440\u043e\u0448\u0435\u0434\u0448\u0435\u0439 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 Linux Plumbers 2019 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/ro\/blog\/news\/google-rabotaet-nad-ispolzovaniem-obychnogo-yadra-linux-v-android\" \/>\n\t<meta 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