{"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\/pt\/blog\/news\/vypusk-sistemy-dinamicheskoj-otladki-systemtap-5-0","title":{"rendered":"Lan\u00e7amento do sistema de depura\u00e7\u00e3o din\u00e2mica SystemTap 5.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi publicado o release do sistema de rastreamento din\u00e2mico SystemTap 5.0, que fornece para a plataforma Linux ferramentas de depura\u00e7\u00e3o semelhantes \u00e0 tecnologia DTrace. O SystemTap permite um monitoramento detalhado do sistema Linux em execu\u00e7\u00e3o, coleta de estat\u00edsticas sobre o desempenho de aplicativos, perfilamento e controle de chamadas de sistema. O gerenciamento \u00e9 realizado por meio de uma interface de linha de comando e uma linguagem de script semelhante ao C. O sistema \u00e9 compat\u00edvel com n\u00facleos Linux a partir da vers\u00e3o 3.10 at\u00e9 6.6-rc0.     <\/p>\n<p>No desenvolvimento do projeto participam empresas como Red Hat, IBM, Intel, Hitachi e Oracle. O cat\u00e1logo de exemplos inclui mais de 190 scripts para diversas situa\u00e7\u00f5es, adequados para monitorar a aloca\u00e7\u00e3o de mem\u00f3ria, entrada\/sa\u00edda, opera\u00e7\u00f5es de disco, tr\u00e1fego de rede (por exemplo, an\u00e1lise de desempenho do NFS), funcionamento do agendador de tarefas, tratamento de interrup\u00e7\u00f5es, uso de buffers do sistema, configura\u00e7\u00e3o de bloqueios, execu\u00e7\u00e3o de chamadas de sistema, tratamento de sinais, etc.    <\/p>\n<p>Principais mudan\u00e7as:  <\/p>\n<ul>\n<li class=\"l\"> O suporte para a ramifica\u00e7\u00e3o do n\u00facleo 2.6.32, utilizada no RHEL6, foi encerrado. O teste do SystemTap agora \u00e9 feito com n\u00facleos 3.10 (RHEL7), 4.18 (RHEL8 + CentOS Stream 8), 5.14.0 (RHEL9 + CentOS Stream 9), 6.4 (Fedora 38), 6.5 (Fedora 39) e 6.6-rc (Fedora rawhide).\n<li class=\"l\"> Foi adicionada a compatibilidade com o processo debuginfod para a obten\u00e7\u00e3o din\u00e2mica de informa\u00e7\u00f5es de depura\u00e7\u00e3o e metadados sobre arquivos execut\u00e1veis instalados.\n<li class=\"l\">  Foi adicionada a compatibilidade com dados de depura\u00e7\u00e3o no formato DWARF5, que podem ser usados na fun\u00e7\u00e3o print_ubacktrace_fileline().\n<li class=\"l\"> No frontend (utilit\u00e1rio stap) com a presen\u00e7a de <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/\"   title=\"servidores\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1660\">servidores<\/a> O debuginfod implementou a op\u00e7\u00e3o de usar m\u00e1scaras ao definir processos-alvo, por exemplo, stap -e 'probe debuginfod.process(\"\/usr\/*\/curl\").begin { log(\"hi\")}.' A detalhamento das informa\u00e7\u00f5es sobre os processos na lista exibida ao usar a op\u00e7\u00e3o '-L' em combina\u00e7\u00e3o com v\u00e1rios '-v' foi aprimorada.\n<li class=\"l\"> No backend, melhorou-se o desempenho do registro uprobe e acelerou-se a inicializa\u00e7\u00e3o do m\u00f3dulo do n\u00facleo. Foi proposta um sistema de mensagens entre o n\u00facleo e o espa\u00e7o do usu\u00e1rio mais r\u00e1pido e confi\u00e1vel.\n<li class=\"l\"> Foram adicionados macros que s\u00e3o processados em tempo de execu\u00e7\u00e3o: STP_TIMING_NSECS para obter informa\u00e7\u00f5es sobre o tempo de verifica\u00e7\u00e3o em nanossegundos e STP_FORCE_STDOUT_TTY para redefinir STP_STDOUT_NOT_ATTY.     <\/ul>\n<p>Fonte: <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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