http://ocw.cs.pub.ro/courses/ 2026-05-27T13:00:51+03:00 http://ocw.cs.pub.ro/courses/ http://ocw.cs.pub.ro/courses/lib/tpl/arctic/images/favicon.ico text/html 2025-05-04T00:34:24+03:00 http://ocw.cs.pub.ro/courses/ep/labs/07/contents/tasks/ex1?rev=1746308064&do=diff 01. [20p] Systemd boot analysis systemd is one of the most popular choices of service managers that acts as the init (PID=1) process on Linux distributions. Although some distributions prefer simpler alternatives such as OpenRC for Alpine Linux and Gentoo or BusyBox for embedded environments, chances are that you are using systemd at this moment. text/html 2025-05-05T00:58:02+03:00 http://ocw.cs.pub.ro/courses/ep/labs/07/contents/tasks/ex2?rev=1746395882&do=diff 02. [30p] Simple function instrumentation Normally, static instrumentation has a steep learning curve and requires some prior knowledge of how compilers work. In this exercise we'll take a simpler approach. Instead of performing fine-grained instrumentation on a program's Abstract Syntax Tree (AST), we'll use a built-in gcc mechanism to only instrument functions on entry and exit. text/html 2025-05-06T15:01:40+03:00 http://ocw.cs.pub.ro/courses/ep/labs/07/contents/tasks/ex3?rev=1746532900&do=diff 03. [25p] Tracy Tracy is a feature-rich profiler that functions based on a client-server paradigm. The Server component is standalone and is used to analyze in real-time data collected during the execution of a program. When first started, the server will listen of a user-specified interface (default: loopback iface) for incoming connections from clients. The Client component must be embedded into your application. In other words, you must consciously designate the regions that need to be analy… text/html 2025-05-04T03:10:23+03:00 http://ocw.cs.pub.ro/courses/ep/labs/07/contents/tasks/ex4?rev=1746317423&do=diff 04. [25p] Perf & fuzzing The purpose of this exercise is to identify where bottlenecks appear in a real-world application. For this we will use perf and American Fuzzy Lop (AFL). perf aflseed“behavior”“order in which instructions are executed”mutate text/html 2026-03-03T10:55:59+03:00 http://ocw.cs.pub.ro/courses/ep/labs/07/contents/tasks/ex5?rev=1772528159&do=diff 05. [10p] Feedback Please take a minute to fill in the feedback form for this lab.