{"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\/pl\/blog\/news\/reliz-valgrind-3-15-0-instrumentariya-dlya-vyyavleniya-problem-pri-rabote-s-pamyatyu","title":{"rendered":"Wydanie Valgrind 3.15.0, narz\u0119dzia do wykrywania problem\u00f3w z pami\u0119ci\u0105","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/sourceforge.net\/p\/valgrind\/mailman\/message\/36642596\/\">Dost\u0119pny<\/a><\/noindex> wydanie <noindex><a rel=\"nofollow\" href=\"http:\/\/valgrind.org\/\">Valgrind 3.15.0<\/a><\/noindex>, narz\u0119dzie do debugowania pracy z pami\u0119ci\u0105, wykrywania wyciek\u00f3w pami\u0119ci i profilowania. Valgrind dzia\u0142a na platformach Linux (X86, AMD64, ARM32, ARM64, PPC32, PPC64BE, PPC64LE, S390X, MIPS32, MIPS64), Android (ARM, ARM64, MIPS32, X86), Solaris (X86, AMD64) oraz macOS (AMD64).<\/p>\n<p>W <noindex><a rel=\"nofollow\" href=\"http:\/\/valgrind.org\/docs\/manual\/dist.news.html\">nowej wersji<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Znacznie <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.mozilla.org\/nnethercote\/2019\/04\/17\/a-better-dhat\/\">przerobiono<\/a><\/noindex> i rozszerzono narz\u0119dzie profilowania sterty DHAT (Dynamic Heap Analysis Tool), <noindex><a rel=\"nofollow\" href=\"http:\/\/valgrind.org\/docs\/manual\/dh-manual.html\">umo\u017cliwiaj\u0105ce<\/a><\/noindex> \u015aledzenie wszystkich \u017c\u0105da\u0144 dotycz\u0105cych przydzia\u0142\u00f3w pami\u0119ci w stercie oraz identyfikacja wyciek\u00f3w zasob\u00f3w, obszar\u00f3w o nadmiernej aktywno\u015bci podczas pracy z pami\u0119ci\u0105, nieu\u017cywanych przydzia\u0142\u00f3w pami\u0119ci, kr\u00f3tkotrwa\u0142ych przydzia\u0142\u00f3w oraz nieefektywnego rozmieszczenia danych w stercie. Narz\u0119dzie DHAT z kategorii eksperymentalnych zosta\u0142o w\u0142\u0105czone do standardowego zestawu narz\u0119dzi Valgrind (aby je uruchomi\u0107, nale\u017cy teraz u\u017cy\u0107 opcji &#171;&#8212;tool=dhat&#187; zamiast &#171;&#8212;tool=exp-dhat&#187;).\n<p>Najbardziej zauwa\u017caln\u0105 popraw\u0105 by\u0142o dodanie do DHAT interfejsu graficznego u\u017cytkownika. Ponadto, po zako\u0144czeniu \u015bledzonego programu, DHAT teraz wy\u015bwietla tylko minimalne podsumowanie najwa\u017cniejszych informacji, a pe\u0142ny raport z danymi profilowania zapisuje do pliku. Dane nie s\u0105 ju\u017c grupowane w rekordy, lecz przechowywane w postaci drzew \u015bledzenia stosu. Zwi\u0119kszono liczb\u0119 przeprowadzanych pomiar\u00f3w oraz dodano dodatkowe kategorie \u015bledzonych parametr\u00f3w. Do przegl\u0105dania zapisanego raportu zaproponowano specjalny przegl\u0105darka dh_view.html, uruchamiana w przegl\u0105darce internetowej;<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=\"Wydanie Valgrind 3.15.0, narz\u0119dzia do wykrywania problem\u00f3w z pami\u0119ci\u0105 \" src=\"\/wp-content\/uploads\/2019\/04\/9991914838e3e36d4dcb89ea8c3eb087.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> Dla system\u00f3w amd64 (x86_64) zapewniono wsparcie dla rozszerzonych zestaw\u00f3w instrukcji RDRAND i F16C;\n<li class=\"l\"> W Cachegrind i Callgrind dodano now\u0105 opcj\u0119 &#171;&#8212;show-percs&#187;, kt\u00f3ra umo\u017cliwia wy\u015bwietlanie warto\u015bci licznik\u00f3w w procentach;\n<li class=\"l\"> W Massif dla system\u00f3w Linux, Android i Solaris w\u0142\u0105czono domy\u015blnie tryb &#171;&#8212;read-inline-info&#187;; w macOS nadal wymaga to wyra\u017anego wskazania &#171;&#8212;read-inline-info=yes&#187;;\n<li class=\"l\"> W Memcheck, gdy u\u017cywana jest opcja &#171;&#8212;xtree-leak=yes&#187; (wyj\u015bcie wynik\u00f3w sprawdzania wyciek\u00f3w pami\u0119ci w formacie xtree), automatycznie w\u0142\u0105czana jest opcja &#171;&#8212;show-leak-kinds=all&#187;. Dokonano prac nad zapobieganiem fa\u0142szywym alarmom;\n<li class=\"l\"> Dodano opcj\u0119 &#171;&#8212;show-error-list=no|yes&#187;, a tak\u017ce opcj\u0119 &#171;-s&#187;, r\u00f3wnowa\u017cn\u0105 &#171;&#8212;show-error-list=yes&#187; w celu wy\u015bwietlenia listy wykrytych b\u0142\u0119d\u00f3w po zako\u0144czeniu dzia\u0142ania. Wcze\u015bniej, podobna lista by\u0142a wy\u015bwietlana w trybie szczeg\u00f3\u0142owym &#171;-v -v&#187;, jednak wyj\u015bcie w tym trybie by\u0142o obci\u0105\u017cone du\u017c\u0105 ilo\u015bci\u0105 zb\u0119dnych informacji.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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\/pl\/blog\/news\/reliz-valgrind-3-15-0-instrumentariya-dlya-vyyavleniya-problem-pri-rabote-s-pamyatyu\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" 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