{"id":37146,"date":"2019-10-31T22:15:59","date_gmt":"2019-10-31T19:15:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/kompaniya-oracle-namerena-pererabotat-dtrace-dlya-linux-s-ispolzovaniem-ebpf\/"},"modified":"2019-10-31T22:15:59","modified_gmt":"2019-10-31T19:15:59","slug":"kompaniya-oracle-namerena-pererabotat-dtrace-dlya-linux-s-ispolzovaniem-ebpf","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/kompaniya-oracle-namerena-pererabotat-dtrace-dlya-linux-s-ispolzovaniem-ebpf","title":{"rendered":"Company Oracle ka p\u00ebr q\u00ebllim t\u00eb rip\u00ebrpunoj\u00eb DTrace p\u00ebr Linux duke p\u00ebrdorur eBPF","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kompania Oracle Tha<\/a><\/noindex> rreth pun\u00ebs p\u00ebr transferimin e ndryshimeve t\u00eb lidhura me DTrace n\u00eb upstream dhe planet p\u00ebr implementimin e teknologjis\u00eb s\u00eb debugging dinamik DTrace mbi infrastruktur\u00ebn standarde t\u00eb b\u00ebrtham\u00ebs Linux, n\u00eb ve\u00e7anti me p\u00ebrdorimin e sistemeve n\u00ebnvizuese si eBPF. Fillimisht, problemi kryesor me p\u00ebrdorimin e DTrace n\u00eb Linux ishte mosmiratimi n\u00eb nivel licence, por n\u00eb vitin 2018, kompania Oracle ri-lincencoi<\/a><\/noindex> kodin DTrace n\u00ebn GPLv2. <\/p>\n

DTrace ka qen\u00eb p\u00ebr nj\u00eb koh\u00eb t\u00eb gjat\u00eb<\/a><\/noindex> i ofruar si pjes\u00eb e b\u00ebrtham\u00ebs s\u00eb avancuar p\u00ebr distribucionin Oracle Linux, por p\u00ebr p\u00ebrdorimin e tij n\u00eb distribucione t\u00eb tjera k\u00ebrkon aplikimin e patches shtes\u00eb p\u00ebr b\u00ebrtham\u00ebn, q\u00eb e kufizon p\u00ebrdorimin e k\u00ebsaj teknologjie. Si nj\u00eb shembull, kompania Oracle p\u00ebrgatitur<\/a><\/noindex> ka publikuar nj\u00eb udh\u00ebzues t\u00eb detajuar p\u00ebr instalimin dhe p\u00ebrdorimin e DTrace n\u00eb Fedora Linux. P\u00ebr instalimin k\u00ebrkohet nd\u00ebrtimi instrumentar<\/a><\/noindex> dhe aplikimi i b\u00ebrtham\u00ebs Linux, e ri-nd\u00ebrtuar me p\u00ebr t\u00eb eliminuar vonesat e tep\u00ebrta n\u00eb drejtuesin MMC (MMC ngarkohet nga firmware e bordit dhe n\u00eb momentin e fillimit t\u00eb drejtuesit tashm\u00eb \u00ebsht\u00eb aktiv) dhe p\u00ebr t\u00eb nisur inicializimin e drejtuesve MMC dhe FEC (Ethernet) n\u00eb m\u00ebnyr\u00eb paralele.<\/a><\/noindex>. P\u00ebr automatizimin e ekzekutimit t\u00eb nd\u00ebrtimit t\u00eb b\u00ebrtham\u00ebs me patches Oracle dhe Fedora, \u00ebsht\u00eb propozuar sk\u0440\u0438\u043f\u0442<\/a><\/noindex>.<\/p>\n

eBPF p\u00ebrb\u00ebn nj\u00eb interpretues t\u00eb inkorporuar n\u00eb b\u00ebrtham\u00ebn Linux p\u00ebr bytecode, duke mund\u00ebsuar krijimin e trajtuesve t\u00eb operacioneve rrjetore, monitorimin e aktiviteteve t\u00eb sistemeve, kapjen e thirrjeve sistemike, kontrollin e qasjes, trajtimin e ngjarjeve me ruajtjen e koh\u00ebs (perf_event_open), num\u00ebrimin e frekuenc\u00ebs dhe koh\u00ebs s\u00eb ekzekutimit t\u00eb operacioneve, dhe realizimin e gjurmimit duke p\u00ebrdorur kprobes\/uprobes\/tracepoints. Fal\u00eb aplikimit t\u00eb JIT-kompilimit, bytecode n\u00eb koh\u00eb reale transfiromet n\u00eb instruksione makinerike dhe ekzekutohet me performanc\u00ebn e kodit natyror. DTrace mund t\u00eb implementohet mbi eBPF, ashtu si\u00e7 b\u00ebhet me punojn\u00eb<\/a><\/noindex> mjetet ekzistuese t\u00eb gjurmimit.<\/p>\n

Teknologjia DTrace u zhvillua p\u00ebr sistemin operativ Solaris p\u00ebr t\u00eb zgjidhur problemet e gjurmimit dinamik t\u00eb b\u00ebrtham\u00ebs s\u00eb sistemit dhe aplikacioneve p\u00ebrfundimtare, duke i dh\u00ebn\u00eb p\u00ebrdoruesit mund\u00ebsin\u00eb p\u00ebr t\u00eb ndjekur n\u00eb detaje sjelljen e sistemit dhe p\u00ebr t\u00eb kryer diagnostikimin e problemeve n\u00eb koh\u00eb reale. Gjat\u00eb procesit t\u00eb debugging, DTrace nuk ndikon n\u00eb funksionimin e aplikacioneve t\u00eb shqyrtuara dhe nuk reflektohet n\u00eb performanc\u00ebn e tyre, gj\u00eb q\u00eb mund\u00ebson analiz\u00ebn e sistemeve n\u00eb pun\u00eb n\u00eb koh\u00eb reale. Mes avantazheve t\u00eb DTrace, p\u00ebrmendet gjuha e nivelit t\u00eb lart\u00eb D, e ngjashme me AWK, e cila \u00ebsht\u00eb shum\u00eb m\u00eb e leht\u00eb p\u00ebr t\u00eb krijuar skenar\u00eb gjurmimi sesa p\u00ebrdorimi i mjeteve t\u00eb ofruara p\u00ebr eBPF q\u00eb shkruajn\u00eb trajtues n\u00eb gjuh\u00ebt C, Python dhe Lua me biblioteka t\u00eb jashtme. <\/p>\n

Inxhinier\u00ebt nga Oracle gjithashtu po punojn\u00eb p\u00ebr krijimin e nj\u00eb eBPF-backend p\u00ebr GCC dhe tashm\u00eb kan\u00eb publikuar grupi i patches<\/a><\/noindex> p\u00ebr integrimin e mb\u00ebshtetjes eBPF n\u00eb GCC dhe kan\u00eb arritur<\/a><\/noindex> t\u00eb inkorporoni kodin p\u00ebr mb\u00ebshtetje eBPF n\u00eb GNU binutils. Fillimisht, backend p\u00ebr mb\u00ebshtetje eBPF bazohet n\u00eb teknologjit\u00eb LLVM, por kompania Oracle \u00ebsht\u00eb e interesuar n\u00eb shfaqjen e nj\u00eb mund\u00ebsie t\u00eb natyrshme n\u00eb GCC p\u00ebr gjenerimin e programeve p\u00ebr eBPF, gj\u00eb q\u00eb do t\u00eb mund\u00ebsoj\u00eb p\u00ebrdorimin e nj\u00eb grupi t\u00eb instrumenteve p\u00ebr nd\u00ebrtimin e b\u00ebrtham\u00ebs Linux dhe p\u00ebr nd\u00ebrtimin e programeve p\u00ebr eBPF. <\/p>\n

P\u00ebrve\u00e7 backend-it p\u00ebr gjenerimin e bytecode, patches e propozuara p\u00ebr GCC gjithashtu p\u00ebrfshijn\u00eb portin libgcc p\u00ebr eBPF dhe mjetet p\u00ebr formimin e skedar\u00ebve ELF, duke ofruar mund\u00ebsin\u00eb p\u00ebr t\u00eb ekzekutuar kodin n\u00eb makin\u00eb virtuale eBPF duke p\u00ebrdorur ngarkuesit e ofruar nga b\u00ebrthama. Deri m\u00eb tani, kodet n\u00eb gjuh\u00ebn C (nuk jan\u00eb t\u00eb gjitha funksionalitetet e gjuh\u00ebs t\u00eb disponueshme) mund t\u00eb transfiromen n\u00eb bytecode, por n\u00eb t\u00eb ardhmen pritet zgjerimi i mund\u00ebsive t\u00eb disponueshme t\u00eb gjuh\u00ebs C, shtimi i mb\u00ebshtetjes p\u00ebr gjuh\u00eb t\u00eb tjera, krijimi i nj\u00eb simulatori dhe shtimi i mb\u00ebshtetjes p\u00ebr GCC p\u00ebr debugging eBPF-programave pa u ngarkuar n\u00eb b\u00ebrtham\u00eb.<\/p>\n

<\/a><\/noindex><\/p>\n

Burimi: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u0440\u0430\u0431\u043e\u0442\u0435 \u043f\u043e \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0435 \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 DTrace \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 upstream \u0438 \u043f\u043b\u0430\u043d\u0430\u0445 \u043f\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043e\u0442\u043b\u0430\u0434\u043a\u0438 DTrace \u043f\u043e\u0432\u0435\u0440\u0445 \u0448\u0442\u0430\u0442\u043d\u043e\u0439 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0443\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u044f\u0434\u0440\u0430 Linux, \u0430 \u0438\u043c\u0435\u043d\u043d\u043e \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0442\u0430\u043a\u0438\u0445 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c, \u043a\u0430\u043a eBPF. \u0418\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043e\u0439 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c DTrace \u0432 Linux \u0431\u044b\u043b\u0430 \u043d\u0435\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0439, \u043d\u043e \u0432 2018 \u0433\u043e\u0434\u0443 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u043f\u0435\u0440\u0435\u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0440\u043e\u0432\u0430\u043b\u0430 \u043a\u043e\u0434 […]<\/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-37146","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\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\n","aioseo_head_json":{"title":"\ud83e\udd47Kompania Oracle ka nd\u00ebrmend t\u00eb ripunoj\u00eb DTrace p\u00ebr Linux duke p\u00ebrdorur eBPF | ProHoster","description":"Kompania Oracle njoftoi p\u00ebr pun\u00ebn n\u00eb transferimin e ndryshimeve t\u00eb lidhura me DTrace n\u00eb upstream dhe p\u00ebr planet p\u00ebr implementimin e teknologjis\u00eb s\u00eb debugging dinamik DTrace mbi infrastruktur\u00ebn standarde t\u00eb b\u00ebrtham\u00ebs Linux, n\u00eb ve\u00e7anti me p\u00ebrdorimin e sistemeve n\u00ebnvizuese si eBPF. 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