{"id":111313,"date":"2023-11-05T15:10:14","date_gmt":"2023-11-05T13:10:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-sistemy-dinamicheskoj-otladki-systemtap-5-0"},"modified":"2023-11-05T15:10:14","modified_gmt":"2023-11-05T13:10:14","slug":"vypusk-sistemy-dinamicheskoj-otladki-systemtap-5-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-sistemy-dinamicheskoj-otladki-systemtap-5-0","title":{"rendered":"Release of the SystemTap 5.0 dynamic debugging system","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelent a SystemTap 5.0 dinamikus nyomk\u00f6vet\u0151 rendszer, amely a Linux platform sz\u00e1m\u00e1ra hasonl\u00f3 hibakeres\u00e9si eszk\u00f6z\u00f6ket k\u00edn\u00e1l, mint a DTrace technol\u00f3gia. A SystemTap lehet\u0151v\u00e9 teszi a Linux rendszer m\u0171k\u00f6d\u00e9s\u00e9nek alapos megfigyel\u00e9s\u00e9t, statisztikai adatok gy\u0171jt\u00e9s\u00e9t az alkalmaz\u00e1sok teljes\u00edtm\u00e9ny\u00e9r\u0151l, profiloz\u00e1st \u00e9s rendszerh\u00edv\u00e1sok ellen\u0151rz\u00e9s\u00e9t. A kezel\u00e9s parancssori fel\u00fcleten \u00e9s egy speci\u00e1lis C-szer\u0171 szkriptnyelven kereszt\u00fcl t\u00f6rt\u00e9nik. A rendszer kompatibilis a Linux kernel 3.10-es verzi\u00f3j\u00e1t\u00f3l eg\u00e9szen a 6.6-rc0 verzi\u00f3ig.     <\/p>\n<p>A projekt fejleszt\u00e9s\u00e9ben olyan c\u00e9gek vesznek r\u00e9szt, mint a Red Hat, az IBM, az Intel, a Hitachi \u00e9s az Oracle. A p\u00e9ld\u00e1k katal\u00f3gus\u00e1ban t\u00f6bb mint 190 szkript tal\u00e1lhat\u00f3 k\u00fcl\u00f6nb\u00f6z\u0151 \u00e9lethelyzetekhez, amelyek alkalmasak a mem\u00f3ria, a bemenet\/kimenet, a lemezm\u0171veletek, a h\u00e1l\u00f3zati forgalom (p\u00e9ld\u00e1ul az NFS teljes\u00edtm\u00e9ny\u00e9nek elemz\u00e9se), a feladat\u00fctemez\u0151 m\u0171k\u00f6d\u00e9se, az megszak\u00edt\u00e1sok kezel\u00e9se, a rendszersz\u0171r\u0151k haszn\u00e1lata, a z\u00e1rak be\u00e1ll\u00edt\u00e1sa, a rendszerh\u00edv\u00e1sok v\u00e9grehajt\u00e1sa, a jelek kezel\u00e9se stb. nyomon k\u00f6vet\u00e9s\u00e9re.    <\/p>\n<p>F\u0151bb v\u00e1ltoz\u00e1sok:  <\/p>\n<ul>\n<li class=\"l\"> A 2.6.32-es kernel \u00e1ga, amelyet a RHEL6 haszn\u00e1l, m\u00e1r nem t\u00e1mogatott. A SystemTap tesztel\u00e9se most a 3.10-es (RHEL7), a 4.18-as (RHEL8 + CentOS Stream 8), az 5.14.0-\u00e1s (RHEL9 + CentOS Stream 9), a 6.4-es (Fedora 38), a 6.5-\u00f6s (Fedora 39) \u00e9s a 6.6-rc (Fedora rawhide) kernelokkal t\u00f6rt\u00e9nik.\n<li class=\"l\"> Hozz\u00e1adva a debuginfod folyamat t\u00e1mogat\u00e1sa a dinamikus hibakeres\u00e9si inform\u00e1ci\u00f3k \u00e9s a telep\u00edtett futtathat\u00f3 f\u00e1jlok metaadatainak megszerz\u00e9s\u00e9hez.\n<li class=\"l\">  Hozz\u00e1adva a DWARF5 t\u00edpus\u00fa hibakeres\u00e9si adatok t\u00e1mogat\u00e1sa, amelyeket a print_ubacktrace_fileline() funkci\u00f3ban lehet haszn\u00e1lni.\n<li class=\"l\"> A frontend (stap eszk\u00f6z) eset\u00e9ben, jelenl\u00e9t\u00e9ben <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/\"   title=\"szerverek\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1660\">szerverek<\/a> A debuginfod lehet\u0151s\u00e9get biztos\u00edt maszkok haszn\u00e1lat\u00e1ra a c\u00e9lzott folyamatok meghat\u00e1roz\u00e1sakor, p\u00e9ld\u00e1ul, stap -e 'probe debuginfod.process(\"\/usr\/*\/curl\").begin { log(\"hi\")}'. Javult a folyamatokr\u00f3l sz\u00f3l\u00f3 inform\u00e1ci\u00f3k r\u00e9szletess\u00e9ge a list\u00e1ban, amelyet az '-L' opci\u00f3val egy\u00fctt, t\u00f6bb '-v' haszn\u00e1lat\u00e1val lehet megjelen\u00edteni.\n<li class=\"l\"> A backendben jav\u00edtott\u00e1k a uprobe regisztr\u00e1ci\u00f3j\u00e1nak teljes\u00edtm\u00e9ny\u00e9t \u00e9s felgyors\u00edtott\u00e1k a kernel modul ind\u00edt\u00e1s\u00e1t. Egy gyorsabb \u00e9s megb\u00edzhat\u00f3bb \u00fczenet\u00e1tviteli rendszert javasoltak a kernel \u00e9s a felhaszn\u00e1l\u00f3i t\u00e9r k\u00f6z\u00f6tt.\n<li class=\"l\"> Futtat\u00e1s k\u00f6zben feldolgozott makr\u00f3k ker\u00fcltek hozz\u00e1ad\u00e1sra: STP_TIMING_NSECS az ellen\u0151rz\u00e9si id\u0151 m\u00e1sodpercekben val\u00f3 megszerz\u00e9s\u00e9hez \u00e9s STP_FORCE_STDOUT_TTY az STP_STDOUT_NOT_ATTY fel\u00fcl\u00edr\u00e1s\u00e1hoz.     <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60051\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0442\u0440\u0430\u0441\u0441\u0438\u0440\u043e\u0432\u043a\u0438 SystemTap 5.0, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0434\u043b\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Linux \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u043e\u0442\u043b\u0430\u0434\u043a\u0438, \u043f\u043e\u0445\u043e\u0436\u0438\u0435 \u043d\u0430 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044e DTrace. SystemTap \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u043e\u0441\u043a\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0435 \u043d\u0430\u0431\u043b\u044e\u0434\u0435\u043d\u0438\u0435 \u0437\u0430 \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0435\u0439 Linux-\u0441\u0438\u0441\u0442\u0435\u043c\u043e\u0439, \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u044c \u0441\u0431\u043e\u0440 \u0441\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u043a\u0438 \u043e \u0440\u0430\u0431\u043e\u0442\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u043f\u0440\u043e\u0444\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0438 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0432\u044b\u0437\u043e\u0432\u043e\u0432. \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438 \u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0439 \u0421\u0438-\u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0439 \u044f\u0437\u044b\u043a \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0435\u0432. \u0421\u0438\u0441\u0442\u0435\u043c\u0430 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u0430 \u0441 \u044f\u0434\u0440\u0430\u043c\u0438 Linux \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u0435\u0440\u0441\u0438\u0438 [&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-111313","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=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0442\u0440\u0430\u0441\u0441\u0438\u0440\u043e\u0432\u043a\u0438 SystemTap 5.0, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0434\u043b\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Linux 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