{"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\/sv\/blog\/news\/vypusk-sistemy-dinamicheskoj-otladki-systemtap-5-0","title":{"rendered":"Utg\u00e5van av SystemTap 5.0 f\u00f6r dynamisk fels\u00f6kning","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Version 5.0 av systemet f\u00f6r dynamisk sp\u00e5rning SystemTap har publicerats, som tillhandah\u00e5ller avlusningsverktyg f\u00f6r Linux-plattformen som liknar teknologin DTrace. SystemTap m\u00f6jligg\u00f6r detaljerad \u00f6vervakning av ett fungerande Linux-system, insamling av statistik om applikationsverksamhet, profilering och kontroll av systemanrop. Hantering sker via ett kommandoradsgr\u00e4nssnitt och ett specialiserat C-liknande skriptspr\u00e5k. Systemet \u00e4r kompatibelt med Linux-k\u00e4rnor fr\u00e5n version 3.10 till 6.6-rc0.     <\/p>\n<p>Flera f\u00f6retag deltar i projektet, s\u00e5som Red Hat, IBM, Intel, Hitachi och Oracle. Katalogen med exempel inneh\u00e5ller \u00f6ver 190 skript f\u00f6r olika anv\u00e4ndningsomr\u00e5den som passar f\u00f6r \u00f6vervakning av minnesf\u00f6rdelning, in-\/utdata, diskoperationer, n\u00e4tverkstrafik (t.ex. analys av NFS-prestanda), hantering av schemal\u00e4ggare, bearbetning av avbrott, anv\u00e4ndning av systembuffertar, installation av l\u00e5s, utf\u00f6rande av systemanrop, signalbearbetning osv.    <\/p>\n<p>Huvudsakliga f\u00f6r\u00e4ndringar:  <\/p>\n<ul>\n<li class=\"l\"> St\u00f6det f\u00f6r k\u00e4rngren 2.6.32, som anv\u00e4nds i RHEL6, har upph\u00f6rt. Testning av SystemTap utf\u00f6rs nu med k\u00e4rnor 3.10 (RHEL7), 4.18 (RHEL8 + CentOS Stream 8), 5.14.0 (RHEL9 + CentOS Stream 9), 6.4 (Fedora 38), 6.5 (Fedora 39) och 6.6-rc (Fedora rawhide).\n<li class=\"l\"> St\u00f6det f\u00f6r debuginfod-processen har lagts till f\u00f6r dynamisk h\u00e4mtning av avlusningsinformation och metadata om installerade k\u00f6rbara filer.\n<li class=\"l\">  St\u00f6det f\u00f6r avlusningsdata i DWARF5-format har lagts till, vilket kan anv\u00e4ndas i funktionen print_ubacktrace_fileline().\n<li class=\"l\"> I frontend (verktyget stap) finns det m\u00f6jlighet att anv\u00e4nda masker vid best\u00e4mning av m\u00e5processer n\u00e4r debuginfod finns. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/server\/\"   title=\"servrar\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1660\">servrar<\/a> debuginfod har inf\u00f6rt m\u00f6jligheten att anv\u00e4nda masker f\u00f6r att definiera m\u00e5linstanser, till exempel, stap -e 'probe debuginfod.process(\"\/usr\/*\/curl\").begin { log(\"hi\")}'. F\u00f6rb\u00e4ttrad detaljeringsgrad av information om processer i listan som visas n\u00e4r man anv\u00e4nder alternativet '-L' i kombination med flera '-v'.\n<li class=\"l\"> I backend har prestandan f\u00f6r registrering av uprobe \u00f6kat och starten av k\u00e4rnmodulen har snabbandats. En snabbare och mer p\u00e5litlig meddelandesystem mellan k\u00e4rnan och anv\u00e4ndarutrymmet har f\u00f6reslagits.\n<li class=\"l\"> L\u00e4ggs till: k\u00f6rningsbearbetade makron: STP_TIMING_NSECS f\u00f6r att f\u00e5 information om kontrolltider i nanosekunder och STP_FORCE_STDOUT_TTY f\u00f6r att \u00e5sidos\u00e4tta STP_STDOUT_NOT_ATTY.     <\/ul>\n<p>K\u00e4lla: <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 5.0.4 - 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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