{"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\/hu\/blog\/news\/reliz-valgrind-3-15-0-instrumentariya-dlya-vyyavleniya-problem-pri-rabote-s-pamyatyu","title":{"rendered":"Megjelent a Valgrind 3.15.0, a mem\u00f3ria probl\u00e9m\u00e1k felt\u00e1r\u00e1s\u00e1ra szolg\u00e1l\u00f3 eszk\u00f6zk\u00e9szlet.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/sourceforge.net\/p\/valgrind\/mailman\/message\/36642596\/\">El\u00e9rhet\u0151<\/a><\/noindex> kiad\u00e1s <noindex><a rel=\"nofollow\" href=\"http:\/\/valgrind.org\/\">Valgrind 3.15.0<\/a><\/noindex>, egy mem\u00f3riahib\u00e1k felt\u00e1r\u00e1s\u00e1ra, mem\u00f3ria sziv\u00e1rg\u00e1sok \u00e9s profiloz\u00e1sra szolg\u00e1l\u00f3 eszk\u00f6z. A Valgrind m\u0171k\u00f6d\u00e9se t\u00e1mogatott Linux (X86, AMD64, ARM32, ARM64, PPC32, PPC64BE, PPC64LE, S390X, MIPS32, MIPS64), Android (ARM, ARM64, MIPS32, X86), Solaris (X86, AMD64) \u00e9s macOS (AMD64) platformokon.<\/p>\n<p>A <noindex><a rel=\"nofollow\" href=\"http:\/\/valgrind.org\/docs\/manual\/dist.news.html\">\u00faj verzi\u00f3<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Jelent\u0151sen <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.mozilla.org\/nnethercote\/2019\/04\/17\/a-better-dhat\/\">\u00fajra\u00edrt<\/a><\/noindex> \u00e9s kib\u0151v\u00fclt a dinamikus heap elemz\u0151 eszk\u00f6zzel, a DHAT-tel (Dynamic Heap Analysis Tool), <noindex><a rel=\"nofollow\" href=\"http:\/\/valgrind.org\/docs\/manual\/dh-manual.html\">amely lehet\u0151v\u00e9 teszi<\/a><\/noindex> K\u00f6vesse nyomon a mem\u00f3riahalmazra vonatkoz\u00f3 \u00f6sszes lek\u00e9r\u00e9st, \u00e9s azonos\u00edtsa a forr\u00e1ssziv\u00e1rg\u00e1sokat, a t\u00falzott aktivit\u00e1st a mem\u00f3riahalmaz kezel\u00e9s\u00e9n\u00e9l, a fel nem haszn\u00e1lt mem\u00f3riakioszt\u00e1sokat, a r\u00f6vid t\u00e1v\u00fa kioszt\u00e1sokat \u00e9s az adatb\u00e1zis hat\u00e9konytalan elhelyez\u00e9s\u00e9t. A k\u00eds\u00e9rleti fejleszt\u00e9sek kateg\u00f3ri\u00e1j\u00e1b\u00f3l a DHAT be\u00e9p\u00fclt a Valgrind alap\u00e9rtelmezett eszk\u00f6zk\u00e9szlet\u00e9be (a futtat\u00e1shoz most a &#171;&#8212;tool=dhat&#187; opci\u00f3nak kell haszn\u00e1lni a &#171;&#8212;tool=exp-dhat&#187; helyett).\n<p>A legszembet\u0171n\u0151bb fejleszt\u00e9s a DHAT grafikus felhaszn\u00e1l\u00f3i fel\u00fclet\u00e9nek hozz\u00e1ad\u00e1sa volt. Ezen k\u00edv\u00fcl, a nyomon k\u00f6vetett program befejez\u00e9s\u00e9t k\u00f6vet\u0151en a DHAT mostant\u00f3l csak a legfontosabb inform\u00e1ci\u00f3k minim\u00e1lis \u00f6sszegz\u00e9s\u00e9t jelen\u00edti meg, m\u00edg a teljes profiloz\u00e1si jelent\u00e9st f\u00e1jlba menti. Az adatok most m\u00e1r nem csoportos\u00edtva vannak, hanem a stack nyomvonal f\u00e1ba ker\u00fclnek ment\u00e9sre. B\u0151v\u00fclt a m\u00e9rt param\u00e9terek sz\u00e1ma, \u00e9s \u00fajabb nyomon k\u00f6vetett kateg\u00f3ri\u00e1k ker\u00fcltek hozz\u00e1ad\u00e1sra. A r\u00f6gz\u00edtett jelent\u00e9s megtekint\u00e9s\u00e9re egy speci\u00e1lis n\u00e9z\u0151t, a dh_view.html-t aj\u00e1nlj\u00e1k, amely webb\u00f6ng\u00e9sz\u0151ben futtathat\u00f3;<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=\"Megjelent a Valgrind 3.15.0, a mem\u00f3ria probl\u00e9m\u00e1k felt\u00e1r\u00e1s\u00e1ra szolg\u00e1l\u00f3 eszk\u00f6zk\u00e9szlet. \" src=\"\/wp-content\/uploads\/2019\/04\/9991914838e3e36d4dcb89ea8c3eb087.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> Az amd64 (x86_64) rendszerekhez t\u00e1mogat\u00e1st ny\u00fajtottak a kib\u0151v\u00edtett utas\u00edt\u00e1sk\u00e9szletek, mint a RDRAND \u00e9s F16C;\n<li class=\"l\"> A Cachegrindben \u00e9s a Callgrindben \u00faj lehet\u0151s\u00e9g ker\u00fclt bevezet\u00e9sre, amely a &#171;&#8212;show-percs&#187; opci\u00f3n kereszt\u00fcl a sz\u00e1ml\u00e1l\u00f3 \u00e9rt\u00e9keket sz\u00e1zal\u00e9kos form\u00e1ban jelen\u00edti meg.\n<li class=\"l\"> A Massif Linux, Android \u00e9s Solaris rendszerre alap\u00e9rtelmezetten aktiv\u00e1lja a &#171;&#8212;read-inline-info&#187; m\u00f3dot, m\u00edg macOS alatt tov\u00e1bbra is sz\u00fcks\u00e9ges a &#171;&#8212;read-inline-info=yes&#187; explicit megad\u00e1sa.\n<li class=\"l\"> A Memcheckn\u00e9l a &#171;&#8212;xtree-leak=yes&#187; opci\u00f3 haszn\u00e1latakor (a mem\u00f3ria-sziv\u00e1rg\u00e1sok ellen\u0151rz\u00e9se az xtree form\u00e1tumban) most automatikusan aktiv\u00e1l\u00f3dik a &#171;&#8212;show-leak-kinds=all&#187; opci\u00f3. Munk\u00e1latok folytak a hamis riaszt\u00e1sok megakad\u00e1lyoz\u00e1s\u00e1ra.\n<li class=\"l\"> Hozz\u00e1adva a &#171;&#8212;show-error-list=no|yes&#187; lehet\u0151s\u00e9g, valamint a &#171;-s&#187; opci\u00f3, amely egyen\u00e9rt\u00e9k\u0171 a &#171;&#8212;show-error-list=yes&#187; opci\u00f3val az \u00e9szlelt hib\u00e1k list\u00e1j\u00e1nak megjelen\u00edt\u00e9s\u00e9hez a v\u00e9grehajt\u00e1s befejez\u00e9s\u00e9t k\u00f6vet\u0151en. Kor\u00e1bban egy ilyen lista r\u00e9szletes kimenet m\u00f3dban &#171;-v -v&#187; volt megjelen\u00edtve, de ebben a m\u00f3dban t\u00falzott mennyis\u00e9g\u0171 felesleges inform\u00e1ci\u00f3t tartalmazott.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <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 5.0.3 - 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\/hu\/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) 5.0.3\" 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