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Linux Tracing Technologies — The Linux Kernel …
https://www.kernel.org/doc/html/latest/trace/index.html
Linux Tracing Technologies. Function Tracer Design; Notes on Analysing Behaviour Using Events and Tracepoints; ftrace - Function Tracer; Using ftrace to hook to functions; Fprobe - Function entry/exit probe; Kernel Probes (Kprobes) Kprobe-based Event Tracing; Uprobe-tracer: Uprobe-based Event Tracing; Using the Linux Kernel Tracepoints; Event Tracing
Linux tracing systems & how they fit together - Julia Evans
https://jvns.ca/blog/2017/07/05/linux-tracing-systems/
You ask the linux kernel to trace malloc for you from libc; Linux goes and finds the copy of libc that’s loaded into memory (there should be just one, shared across all processes), and changes the code for malloc so that it’s traced; Linux reports the data back to you somehow (we’ll talk about how “asking linux” and “getting the data back somehow” works later) This is pretty …
Track and Trace a Linux process to see what is doing
https://nixcp.com/trace-linux-process/
strace -e trace=open,read -p 18478 -s 80 -o /root/php-fpm.debug.txt This quick strace example used a few command options, exaplained here: -o filename: used to write the strace output into a file name. -p PID: here you must specify the system process ID. -s SIZE: sets the maximum string size to print (32 is the default).
How to Use the traceroute Command on Linux
https://www.howtogeek.com/657780/how-to-use-the-traceroute-command-on-linux/
You can use the Linux traceroute command to spot the slow leg of a network packet’s journey and troubleshoot sluggish network connections. We’ll show you how! How traceroute Works When you appreciate how traceroute works, it …
An Introduction to Linux Tracing and its Concepts
https://www.linuxfoundation.org/webinars/an-introduction-to-linux-tracing-and-its-concepts/
Join us for An Introduction to Linux Tracing and its Concepts, with Elena Zannoni, Senior Director of Linux Engineering at Oracle. After many years of development, Linux has a mature and capable tracing infrastructure that evolved from many separate tools and projects. This tutorial will introduce the building blocks that provide the foundation of tracing in Linux, …
Understanding Tracing - Linux.com
https://www.linux.com/news/understanding-tracing/
Tracing allows you to understand how your application’s components interact with themselves and any potential consumers. Secondly, finding a good toolset that works a diverse application infrastructure is also complex.
Introduction to Linux Tracing and its Concepts
https://linuxfoundation.org/wp-content/uploads/ezannoni-tracing-tutorial-LF-2021.pdf
Tracing in Linux was non existant until the mid 2000’s. Took a while to be acknowledged as a real user need Developers worried about overhead, slowdown… Developers feared of being locked into an ABI Eventually pieces started being added, fragmented approach …
Tracing the Linux kernel with ftrace - #embeddedbits
https://embeddedbits.org/tracing-the-linux-kernel-with-ftrace/
Tracing the Linux kernel with ftrace Tracing is a useful technique to find bugs in software, and ftrace is the tracing framework built into the Linux kernel. But before we start talking about ftrace, let’s define what tracing is. What is tracing? Tracing is the specialized use of logging to record information about a program’s flow of execution.
Event Tracing — The Linux Kernel documentation
https://www.kernel.org/doc/html/latest/trace/events.html
Event Tracing ¶ 1. Introduction ¶. Tracepoints (see Using the Linux Kernel Tracepoints) can be used without creating custom kernel... 2. Using Event Tracing ¶. The events which are available for tracing can be found in the file... 3. Defining an event-enabled tracepoint ¶. 4. …
LTTng: an open source tracing framework for Linux
LTTng is an open source tracing framework for Linux. Instrument Identify appropriate events exposing your system 's behavior. Trace Extract the identified events with low overhead using LTTng . Investigate Use a GUI, CLI tools, and custom …
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