{"id":32045,"date":"2019-10-31T21:44:52","date_gmt":"2019-10-31T18:44:52","guid":{"rendered":"https:\/\/prohoster.info\/blog\/reliz-valgrind-3-15-0-instrumentariya-dlya-vyyavleniya-problem-pri-rabote-s-pamyatyu\/"},"modified":"2019-10-31T21:44:52","modified_gmt":"2019-10-31T18:44:52","slug":"reliz-valgrind-3-15-0-instrumentariya-dlya-vyyavleniya-problem-pri-rabote-s-pamyatyu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/reliz-valgrind-3-15-0-instrumentariya-dlya-vyyavleniya-problem-pri-rabote-s-pamyatyu","title":{"rendered":"Utg\u00e5van Valgrind 3.15.0, verktyget f\u00f6r att uppt\u00e4cka problem med minne","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/sourceforge.net\/p\/valgrind\/mailman\/message\/36642596\/\">Tillg\u00e4nglig<\/a><\/noindex> utgivning <noindex><a rel=\"nofollow\" href=\"http:\/\/valgrind.org\/\">Valgrind 3.15.0<\/a><\/noindex>, ett verktyg f\u00f6r att debugga minneshantering, uppt\u00e4ckta av minnesl\u00e4ckor och profilering. Valgrind st\u00f6djer plattformar som Linux (X86, AMD64, ARM32, ARM64, PPC32, PPC64BE, PPC64LE, S390X, MIPS32, MIPS64), Android (ARM, ARM64, MIPS32, X86), Solaris (X86, AMD64) och macOS (AMD64).<\/p>\n<p>I <noindex><a rel=\"nofollow\" href=\"http:\/\/valgrind.org\/docs\/manual\/dist.news.html\">i den nya versionen<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Betydligt <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.mozilla.org\/nnethercote\/2019\/04\/17\/a-better-dhat\/\">omdesignad<\/a><\/noindex> och ett ut\u00f6kat verktyg f\u00f6r heapprofilering, DHAT (Dynamic Heap Analysis Tool), <noindex><a rel=\"nofollow\" href=\"http:\/\/valgrind.org\/docs\/manual\/dh-manual.html\">m\u00f6jligg\u00f6r<\/a><\/noindex> sp\u00e5ra alla minnesallokeringar i heapen och identifiera resursl\u00e4ckor, omr\u00e5den med \u00f6verdriven aktivitet vid arbete med heapen, oanv\u00e4nda minnesallokeringar, kortvariga allokeringar och ineffektiv dataplacering i heapen. Fr\u00e5n kategorin experimentella verktyg har DHAT inkluderats i standardverktygssatsen Valgrind (f\u00f6r att k\u00f6ra, anv\u00e4nd nu alternativet &#171;&#8212;tool=dhat&#187; ist\u00e4llet f\u00f6r &#171;&#8212;tool=exp-dhat&#187;).\n<p>Det mest anm\u00e4rkningsv\u00e4rda f\u00f6rb\u00e4ttringen har varit till\u00e4gget av ett grafiskt anv\u00e4ndargr\u00e4nssnitt f\u00f6r DHAT. Dessutom visar DHAT nu endast en minimi\u00f6versikt av de viktigaste uppgifterna efter att det sp\u00e5rade programmet har avslutats, medan den fullst\u00e4ndiga rapporten med profileringsdata sparas i en fil. Data grupperas nu inte i poster utan sparas som stacksp\u00e5rnings tr\u00e4d. Antalet m\u00e4tningar har ut\u00f6kats och ytterligare kategorier av sp\u00e5rade parametrar har lagts till. F\u00f6r att se den sparade rapporten har en speciell visare, dh_view.html, introducerats, som k\u00f6rs i webbl\u00e4saren;<br \/>\n<center><noindex><a rel=\"nofollow\" href=\"https:\/\/ffp4g1ylyit3jdyti1hqcvtb-wpengine.netdna-ssl.com\/nnethercote\/files\/2019\/04\/dh-tree.png\"><img decoding=\"async\" alt=\"Utg\u00e5van Valgrind 3.15.0, verktyget f\u00f6r att uppt\u00e4cka problem med minne \" src=\"\/wp-content\/uploads\/2019\/04\/9991914838e3e36d4dcb89ea8c3eb087.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> F\u00f6r amd64-system (x86_64) har st\u00f6d f\u00f6r ut\u00f6kade instruktionssatser RDRAND och F16C lagts till;\n<li class=\"l\"> I Cachegrind och Callgrind har ett nytt alternativ &#171;&#8212;show-percs&#187; lagts till, vilket l\u00e4gger till visning av r\u00e4knarens v\u00e4rden i procent;\n<li class=\"l\"> I Massif f\u00f6r Linux, Android och Solari \u00e4r l\u00e4get &#171;&#8212;read-inline-info&#187; aktiverat som standard, medan det f\u00f6r macOS fortfarande kr\u00e4vs ett uttryckligt angivande av &#171;&#8212;read-inline-info=yes&#187;;\n<li class=\"l\"> I Memcheck, n\u00e4r alternativet &#171;&#8212;xtree-leak=yes&#187; anges (utdata fr\u00e5n kontroll av minnesl\u00e4ckor i xtree-format), aktiveras nu automatiskt alternativet &#171;&#8212;show-leak-kinds=all&#187;. Arbetet med att f\u00f6rhindra falska positiva resultat har genomf\u00f6rts;\n<li class=\"l\"> Ett alternativ &#171;&#8212;show-error-list=no|yes&#187; har lagts till, samt alternativet &#171;-s&#187; som \u00e4r ekvivalent med &#171;&#8212;show-error-list=yes&#187; f\u00f6r att visa listan \u00f6ver uppt\u00e4ckta fel efter att k\u00f6rningen \u00e4r avslutad. Tidigare visades en s\u00e5dan lista i detaljerat l\u00e4ge &#171;-v -v&#187;, men utdata i det l\u00e4get blev fullt av stor m\u00e4ngd \u00f6verfl\u00f6dig information.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>K\u00e4lla: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50546\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0440\u0435\u043b\u0438\u0437 Valgrind 3.15.0, \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u0434\u043b\u044f \u043e\u0442\u043b\u0430\u0434\u043a\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u043f\u0430\u043c\u044f\u0442\u044c\u044e, \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u0443\u0442\u0435\u0447\u0435\u043a \u043f\u0430\u043c\u044f\u0442\u0438 \u0438 \u043f\u0440\u043e\u0444\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. \u0420\u0430\u0431\u043e\u0442\u0430 Valgrind \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c Linux (X86, AMD64, ARM32, ARM64, PPC32, PPC64BE, PPC64LE, S390X, MIPS32, MIPS64), Android (ARM, ARM64, MIPS32, X86), Solaris (X86, AMD64) \u0438 macOS (AMD64). \u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438: \u0417\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d \u0438 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442 \u043f\u0440\u043e\u0444\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043a\u0443\u0447\u0438 DHAT (Dynamic Heap [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":23893,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-32045","post","type-post","status-publish","format-standard","has-post-thumbnail","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=\"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0440\u0435\u043b\u0438\u0437 Valgrind 3.15.0.\" \/>\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\/sv\/blog\/news\/reliz-valgrind-3-15-0-instrumentariya-dlya-vyyavleniya-problem-pri-rabote-s-pamyatyu\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" 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