{"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\/et\/blog\/novosti-interneta\/google-rabotaet-nad-ispolzovaniem-obychnogo-yadra-linux-v-android","title":{"rendered":"Google t\u00f6\u00f6tab Androidis tavalise Linuxi tuuma kasutamise nimel.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Eelmise aasta Linux Plumbers konverentsil tutvustas Google <noindex><a rel=\"nofollow\" href=\"https:\/\/arstechnica.com\/gadgets\/2019\/11\/google-outlines-plans-for-mainline-linux-kernel-support-in-android\/\">r\u00e4\u00e4kis<\/a><\/noindex>  arendust\u00f6\u00f6d <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=49648\">algatusest<\/a><\/noindex> muudatuste viimisest p\u00f5hijuurde Linux, mis on v\u00e4lja t\u00f6\u00f6tatud <noindex><a rel=\"nofollow\" href=\"https:\/\/android.googlesource.com\/kernel\/common\/+refs\">Androidi tuuma<\/a><\/noindex> platvormi jaoks. L\u00f5ppude l\u00f5puks on eesm\u00e4rk, et Android kasutaks \u00fchte \u00fchist tuuma, selle asemel et valmistada iga seadme jaoks eraldi versioone, mis p\u00f5hinevad Androidile spetsiifilisel harul <noindex><a rel=\"nofollow\" href=\"https:\/\/source.android.com\/devices\/architecture\/kernel\/android-common\">Android Common Kernel<\/a><\/noindex>. See eesm\u00e4rk on juba osaliselt saavutatud ja konverentsil demonstreeriti Xiaomi Poco F1 nutitelefoni, millel on tavaline, muudetud Linuxi kernel.<\/p>\n<p>P\u00e4rast projekti valmimist pakutakse tarnijatele v\u00f5imalust anda edasi baas kernel, mis p\u00f5hineb p\u00f5hijuurde Linux. Riistvaratoe komponendid tarnitakse tarnijate poolt ainult lisamoodulitena, ilma p\u00f5hijuurde pat\u0161ide lisamise. Moodulitel peavad olema tagatud kokkusobivus p\u00f5hijuurdega s\u00fcmbolite nime ruumi tasemel. K\u00f5ik p\u00f5hijuurte muudatused edastatakse upstream. Propriitaarsete moodulite kokkusobivuse s\u00e4ilitamiseks LTS-harudes pakutakse API ja ABI tuuma stabiilse versiooni s\u00e4ilitamist, mis kaitseb moodulite \u00fchilduvust tuuma igasuguste harudega.<\/p>\n<p><center><img decoding=\"async\" alt=\"Google t\u00f6\u00f6tab Androidis tavalise Linuxi tuuma kasutamise nimel.\" src=\"\/wp-content\/uploads\/2019\/11\/18f8a41befddc7d81c07b9c6d1bf44c2.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>Aasta jooksul viidi p\u00f5hijuurde Linuxi Androidi tuumast sellised funktsioonid nagu PSI (Pressure Stall Information) alams\u00fcsteem, mis anal\u00fc\u00fcsib erinevate ressursside (CPU, m\u00e4lu, sisend\/v\u00e4ljund) ooteaega, Binderile suunatud pseudo-failis\u00fcsteem BinderFS ja energias\u00e4\u00e4stlik \u00fclesannete ajakava EAS (Energy Aware Scheduling). Tulevikus on plaanis viia Android \u00fcle spetsiifiliselt ajakaval SchedTune\u2019l loodud ARM-i uuele alams\u00fcsteemile UtilClamp, mis p\u00f5hineb cgroups2-l ja tuuma loomulikel mehhanismidel.<\/p>\n<p><center><img decoding=\"async\" alt=\"Google t\u00f6\u00f6tab Androidis tavalise Linuxi tuuma kasutamise nimel.\" src=\"\/wp-content\/uploads\/2019\/11\/2db4ca76f6a87b2ad28a7510a4deb79c.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>K\u00e4esoleval ajal on Androidi platvormi tuum l\u00e4binud mitmeid ettevalmistusetappe:<\/p>\n<ul>\n<li class=\"l\"> P\u00f5hjal LTS-kernelitest (3.18, 4.4, 4.9 ja 4.14) loodi haru \u2018Android Common Kernel\u2019, kuhu kanti \u00fcle Androidile spetsiifilised plaastrid (varem ulatus muudatuste maht mitme miljoni reale, kuid viimasel ajal on muudatused kahanenud m\u00f5ne tuhande koodireani).\n<li class=\"l\"> \u2018Android Common Kernel\u2019 p\u00f5hjal arendavad kiibitootjad, nagu Qualcomm, \u2018SoC Kernelit\u2019, mis sisaldab lisandeid seadmete toe tagamiseks.\n<li class=\"l\"> &#171;SoC Kernel&#187; alusel l\u00f5id seadmete tootjad &#171;Device Kernel&#187;, mis sisaldavad muutusi, mis on seotud lisariistvara, ekraanide, kaamerate, helis\u00fcsteemide jne toe tagamisega.\n<\/ul>\n<p><center><img decoding=\"async\" alt=\"Google t\u00f6\u00f6tab Androidis tavalise Linuxi tuuma kasutamise nimel.\" src=\"\/wp-content\/uploads\/2019\/11\/3a7d495f71eaef927e79912ca62776d8.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>P\u00f5him\u00f5tteliselt loodi iga seadme jaoks oma kernel, mida ei saanud teistel seadmetel kasutada. See s\u00fcsteem raskendab oluliselt muudatuste tegemist ja kergete v\u00e4rskenduste rakendamist. N\u00e4iteks uusim Pixel 4 nutitelefon, mis tuli v\u00e4lja oktoobris, on varustatud Linuxi kerneliga 4.14, mis ilmus kaks aastat tagasi. Osaliselt p\u00fc\u00fcdis Google seda protsessi lihtsustada, edendades s\u00fcsteemi <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48588\">Treble<\/a><\/noindex>, mis v\u00f5imaldas tootjatel koostada universaalseid riistvara toetuse komponente, mis ei ole seotud konkreetsete Androidi versioonidega ja kasutatavatega tuuma v\u00e4ljaanded. Treble annab v\u00f5imaluse kasutada Google'i juba valmis v\u00e4rskendusi, integreerides neisse seadmespetsiifilised komponendid. <\/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=\"Vaata videot\" 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>Allikas: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51905\">opennet.ru<\/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-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - 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\" 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