{"id":6850,"date":"2015-08-31T09:04:20","date_gmt":"2015-08-31T09:04:20","guid":{"rendered":"https:\/\/dev.railscarma.com\/how-to-install-and-use-ruby-prof-gem\/"},"modified":"2025-12-18T10:33:24","modified_gmt":"2025-12-18T10:33:24","slug":"come-installare-e-utilizzare-ruby-prof-gem","status":"publish","type":"post","link":"https:\/\/www.railscarma.com\/it\/blog\/articoli-tecnici\/come-installare-e-utilizzare-ruby-prof-gem\/","title":{"rendered":"Come installare e utilizzare Ruby-Prof Gem"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"6850\" class=\"elementor elementor-6850\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9607ea0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9607ea0\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-558780f\" data-id=\"558780f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6a1080c0 elementor-widget elementor-widget-text-editor\" data-id=\"6a1080c0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tNon si pu\u00f2 negare il fatto che il mondo funziona grazie alle idee. Una piccola idea eseguita con successo pu\u00f2 rendere qualcuno un miliardario, come si pu\u00f2 vedere con le persone che hanno guadagnato soldi con una sola idea. Il proliferare delle tecnologie ha fatto s\u00ec che si abbiano a disposizione strumenti per dare forma alle proprie idee. Se hai un\u2019idea, tutto ci\u00f2 di cui hai bisogno \u00e8 un investimento di capitale. Non hai nemmeno bisogno di grandi soldi. Puoi facilmente esternalizzare le tue idee e realizzarle con una frazione dei costi. Le applicazioni sono davvero preziose nel mondo degli affari di oggi, soprattutto quelle che possono essere realizzate molto prima rispetto ai tempi convenzionali e con la richiesta di immettere l&#039;applicazione sul mercato il prima possibile, molte organizzazioni rinunciano a verificarne le prestazioni. Un&#039;applicazione eseguita in modo errato pu\u00f2 influire negativamente sul tuo sito web e ostacolare il nome del tuo marchio, per non parlare dei problemi di sicurezza, dell&#039;enorme perdita di entrate e della perdita della fiducia dei clienti. Dopo tutto, se un&#039;applicazione non funziona bene, che tipo di vantaggi pu\u00f2 offrire?\n\n<strong>Ruby-Prof<\/strong> \u00e8 uno strumento di ottimizzazione delle prestazioni per applicazioni basate su Ruby. Come estensione C, \u00e8 molto pi\u00f9 veloce del profilatore Ruby standard e supporta sia profili piatti che grafici. Ruby-prof mostra i profili grafici per ciascun metodo, mostrando per quanto tempo \u00e8 stato eseguito il metodo, quali metodi lo hanno chiamato e quali metodi ha chiamato. Ruby-prof fornisce sia testo che html e pu\u00f2 inviarlo in output standard o in un file. Questa gemma Ruby pu\u00f2 misurare diversi parametri, inclusi i tempi di chiamata, l&#039;allocazione degli oggetti e l&#039;utilizzo della memoria. Poich\u00e9 questo gioiello pu\u00f2 supportare la profilazione di pi\u00f9 thread contemporaneamente, \u00e8 una delle migliori scommesse per qualsiasi applicazione basata su Ruby. Tuttavia, ruby-prof pu\u00f2 essere eseguito solo su Ruby versione 1.9.3 o successiva e se usi Linux o UNIX, potresti aver bisogno di un compilatore C per l&#039;estensione da compilare al momento dell&#039;installazione. Su Windows, dovresti installare Ruby Gem specifico per Windows, incorporando un&#039;estensione gi\u00e0 creata.\n\n<strong>Come installare Ruby-Prof Gem\u00a0<\/strong>\n<blockquote>git clone git:\/\/github.com\/jeremy\/ruby-prof.git cd ruby-prof\/ rake gem sudo gem install pkg\/ruby-prof-0.6.1.gem<\/blockquote>\n<strong>Impostazione di un nuovo ambiente per la profilazione<\/strong>\n<blockquote>Crea config\/environments\/profiling.rb: config.cache_classes = true config.action_controller.consider_all_requests_local = false config.action_controller.perform_caching = true config.action_view.cache_template_loading = true #config.log_level = :debug<\/blockquote>\nAggiungi il nuovo ambiente a database.yml. Potresti voler riutilizzare il database di sviluppo.\n\n<strong>Creazione di uno script di profilazione:<\/strong>\n\nSuccessivamente creeremo uno script che recupera semplicemente la homepage, salvando il seguente codice in profiling\/homepage.rb:\n<blockquote>get &#039;\/&#039; d\u00ec &quot;GET \/ =&gt; #{percorso}&quot;<\/blockquote>\nEsegui lo script Ora esegui lo script 100 volte:\n<blockquote>RAILS_ENV=profiling .\/script\/performance\/request -n 100 profiling\/homepage.rb<\/blockquote>\n<strong>Profilazione di applicazioni Ruby semplici<\/strong>\n\nPuoi anche profilare un blocco di codice chiamando RubyProf dal tuo codice:\n<blockquote>require &#039;ruby-prof&#039; # Profila il codice RubyProf.start \u2026 [codice nel profilo] \u2026 risultati = RubyProf.stop File.open \u201c#{RAILS_ROOT}\/tmp\/profile-graph.html\u201d, &#039;w&#039; do |file| RubyProf::GraphHtmlPrinter.new(risultati).print(file) end File.open \u201c#{RAILS_ROOT}\/tmp\/profile-flat.txt\u201d, &#039;w&#039; do |file| RubyProf::FlatPrinter.new(risultati).print(file) end File.open \u201c#{RAILS_ROOT}\/tmp\/profile-tree.prof\u201d, &#039;w&#039; do |file| RubyProf::CallTreePrinter.new(risultati).print(file) fine<\/blockquote>\n<strong>Analisi dei risultati:\u00a0<\/strong>\n\nRubyProf::CallTreePrinter per generare dati che kcachegrind pu\u00f2 leggere. I dati HTML e di testo sono difficili da leggere, quindi kcachegrind ti render\u00e0 sicuramente la vita pi\u00f9 semplice. Su OSX puoi installare kcachegrind con Fink (o DarwinPorts):\n<blockquote>sudo apt-get aggiornamento; sudo apt-get install fink sudo apt-get install kcachegrind<\/blockquote>\nSorgente del codice: (<a href=\"https:\/\/github.com\/ruby-prof\/ruby-prof\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/github.com\/ruby-prof\/ruby-prof<\/a>) Assicurati sempre di testare la tua applicazione con questo profiler Ruby-Gem e di misurarla rispetto alla tua app poich\u00e9 non solo ottimizzer\u00e0 i tuoi codici ma sar\u00e0 molto conveniente, per non parlare del fatto che l&#039;efficienza della tua applicazione migliorer\u00e0 notevolmente. Vuoi saperne di pi\u00f9 su come funzionano questa e altre gemme? Con soluzioni ingegnose, valori aziendali progressisti e comprovata esperienza,<strong><a href=\"https:\/\/www.railscarma.com\/it\/\" target=\"_blank\" rel=\"noopener noreferrer\"> RailsCarma<\/a><\/strong> \u00e8 pi\u00f9 adatto per aiutarti con tutte le tue esigenze di sviluppo. Il nostro processo di sviluppo si basa fortemente sull&#039;instancabile attenzione ai dettagli, tra cui qualit\u00e0, design ed eccellenza. Trasformiamo le tue idee in realt\u00e0. Collegati a noi attraverso il ns <a href=\"\/it\/contattaci\/\" target=\"_blank\" rel=\"noopener noreferrer\">Contattaci<\/a> pagina. Leggi articoli simili:\n<ul>\n \t<li class=\"entry-title\"><a href=\"\/it\/blog\/articoli-tecnici\/a-simple-way-to-increase-the-performance-of-your-rails-app-2\/\" target=\"_blank\" rel=\"noopener noreferrer\">Un modo semplice per aumentare le prestazioni della tua app Rails<\/a><\/li>\n \t<li class=\"entry-title\">\n<p class=\"entry-title\"><a href=\"\/it\/blog\/articoli-tecnici\/articolo-sul-modulo-ruby\/\" target=\"_blank\" rel=\"noopener noreferrer\">Le basi della creazione e dell&#039;utilizzo dei moduli in Rails<\/a><\/p>\n<\/li>\n \t<li class=\"entry-title\"><a href=\"\/it\/blog\/articoli-tecnici\/implementando-tinymce-in-ruby-on-rails\/\" target=\"_blank\" rel=\"noopener noreferrer\">Implementazione di TinyMCE in Ruby on Rails<\/a><\/li>\n \t<li class=\"entry-title\">\n<p class=\"entry-title\"><a href=\"\/it\/blog\/articoli-tecnici\/associazioni-polimorfiche-con-record-attivo-2\/\" target=\"_blank\" rel=\"noopener noreferrer\">Associazioni polimorfiche con record attivo<\/a><\/p>\n<\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-455a0b81 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"455a0b81\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1bef7db8\" data-id=\"1bef7db8\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-301d319 elementor-widget elementor-widget-heading\" data-id=\"301d319\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Iscriviti per gli ultimi aggiornamenti<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e3ef613 elementor-widget elementor-widget-shortcode\" data-id=\"3e3ef613\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t\t\t\t<script type=\"text\/javascript\">\n\t\t\t\t\t\tvar gCaptchaSibWidget;\n                        var onloadSibCallbackInvisible = function () {\n\n                            var element = document.getElementsByClassName('sib-default-btn');\n                            var countInvisible = 0;\n                            var indexArray = [];\n                            jQuery('.sib-default-btn').each(function (index, el) {\n                                if ((jQuery(el).attr('id') == \"invisible\")) {\n                                    indexArray[countInvisible] = index;\n                                    countInvisible++\n                                }\n                            });\n\n                            jQuery('.invi-recaptcha').each(function (index, el) {\n                                grecaptcha.render(element[indexArray[index]], {\n                                    'sitekey': jQuery(el).attr('data-sitekey'),\n                                    'callback': sibVerifyCallback,\n                                });\n                            });\n                        };\n\t\t\t\t\t<\/script>\n\t\t\t\t\t                <script src=\"https:\/\/www.google.com\/recaptcha\/api.js?onload=onloadSibCallbackInvisible&render=explicit\" async defer><\/script>\n\t\t\t\t\n\t\t\t<form id=\"sib_signup_form_1\" method=\"post\" class=\"sib_signup_form\" action=\"\">\n\t\t\t\t<div class=\"sib_loader\" style=\"display:none;\"><img\n\t\t\t\t\t\t\tsrc=\"https:\/\/www.railscarma.com\/wp-includes\/images\/spinner.gif\" alt=\"caricatore\"><\/div>\n\t\t\t\t<input type=\"hidden\" name=\"sib_form_action\" value=\"subscribe_form_submit\">\n\t\t\t\t<input type=\"hidden\" name=\"sib_form_id\" value=\"1\">\n                <input type=\"hidden\" name=\"sib_form_alert_notice\" value=\"Please fill out this field\">\n                <input type=\"hidden\" name=\"sib_form_invalid_email_notice\" value=\"Your email address is invalid\">\n                <input type=\"hidden\" name=\"sib_security\" value=\"d7f7626ab9\">\n\t\t\t\t<div class=\"sib_signup_box_inside_1\">\n\t\t\t\t\t<div style=\"\/*display:none*\/\" class=\"sib_msg_disp\">\n\t\t\t\t\t<\/div>\n                                            <div id=\"sib_captcha_invisible\" class=\"invi-recaptcha\" data-sitekey=\"6LdikOAaAAAAAJ6SWrrKVQrtw7TQpQAEnv0HS0G3\"><\/div>\n                    \t\t\t\t\t<p class=\"sib-email-area\">\r\n    <label class=\"sib-email-area\"><\/label>\r\n    <input type=\"email\" class=\"sib-email-area\" name=\"email\" required=\"required\" placeholder=\"Indirizzo e-mail\">\r\n<\/p>\r\n<p class=\"sib-NAME-area\">\r\n    <label class=\"sib-NAME-area\"><\/label>\r\n    <input type=\"text\" class=\"sib-NAME-area\" name=\"NAME\" placeholder=\"Nome\">\r\n<\/p>\r\n<p>\r\n    <input type=\"submit\" id=\"invisible\" class=\"sib-default-btn\" value=\"sottoscrivi\">\r\n<\/p>\t\t\t\t<\/div>\n\t\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"it\"\/><\/form>\n\t\t\t<style>\n\t\t\t\tform#sib_signup_form_1 p.sib-alert-message {\n    padding: 6px 12px;\n    margin-bottom: 20px;\n    border: 1px solid transparent;\n    border-radius: 4px;\n    -webkit-box-sizing: border-box;\n    -moz-box-sizing: border-box;\n    box-sizing: border-box;\n}\nform#sib_signup_form_1 p.sib-alert-message-error {\n    background-color: #f2dede;\n    border-color: #ebccd1;\n    color: #a94442;\n}\nform#sib_signup_form_1 p.sib-alert-message-success {\n    background-color: #dff0d8;\n    border-color: #d6e9c6;\n    color: #3c763d;\n}\nform#sib_signup_form_1 p.sib-alert-message-warning {\n    background-color: #fcf8e3;\n    border-color: #faebcc;\n    color: #8a6d3b;\n}\n\t\t\t<\/style>\n\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t  <div class=\"related-post slider\">\r\n        <div class=\"headline\">Articoli correlati<\/div>\r\n    <div class=\"post-list owl-carousel\">\r\n\r\n            <div class=\"item\">\r\n            <div class=\"thumb post_thumb\">\r\n    <a  title=\"Gemma Kaminari\" href=\"https:\/\/www.railscarma.com\/it\/blog\/articoli-tecnici\/gemma-di-kaminari\/?related_post_from=37277\">\r\n\r\n      <img decoding=\"async\" width=\"800\" height=\"300\" src=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem.jpg\" class=\"attachment-full size-full wp-post-image\" 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       \r\n        });\r\n      });\r\n    <\/script>\r\n  <\/div>","protected":false},"excerpt":{"rendered":"<p>There is no denying the fact that the world runs on ideas. A small idea executed successfully can make someone a billionaire as can be seen with people who have made money out of just one idea. 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