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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. …
Linux Kernel events tracing - Silicon Labs
https://community.silabs.com/s/article/linux-kernel-events-tracing?language=en_US
When working on a Linux system, it can be convenient to use the kernel events tracing mechanism, (described in details in Documentation/trace/events.txt in the Linux kernel sources). We will only focus on a very simple use case here. Listing possible event traces. All traceable events are listed under the /sys/kernel/debug/tracing/events/ hierarchy of directories
Event Tracing — The Linux Kernel documentation
https://www.kernel.org/doc/html/v4.18/trace/events.html
The events which are available for tracing can be found in the file /sys/kernel/debug/tracing/available_events. To enable a particular event, such as ‘sched_wakeup’, simply echo it to /sys/kernel/debug/tracing/set_event. For example: # echo sched_wakeup >> /sys/kernel/debug/tracing/set_event.
Linux Tracing Technologies — The Linux Kernel …
https://www.kernel.org/doc/html/latest/trace/index.html
Using the Linux Kernel Tracepoints Purpose of tracepoints Usage Event Tracing 1. Introduction 2. Using Event Tracing 3. Defining an event-enabled tracepoint 4. Event formats 5. Event filtering 6. Event triggers 7. In-kernel trace event API Subsystem Trace Points: kmem 1. Slab allocation of small objects of unknown type 2.
Tracing the Linux kernel with ftrace - #embeddedbits
https://embeddedbits.org/tracing-the-linux-kernel-with-ftrace/
Ftrace is also able to trace events in the kernel. Events are static tracepoints added by developers to monitor kernel subsystems like the scheduler, power management, interrupts, networking, gpio, etc. Just search for functions starting with trace_ in the Linux kernel source code and you will find several places where trace events are used:
linux-kernel Tutorial => Tracing I2C Events
https://riptutorial.com/linux-kernel/example/11983/tracing-i2c-events
Change into the tracing directory: cd /sys/kernel/debug/tracing/. Make sure the function tracer is disabled: echo nop > current_tracer. Enable all I2C events: echo 1 > events/i2c/enable. Make sure tracing is enabled: echo 1 > tracing_on. The trace messages can be viewed in /sys/kernel/debug/tracing/trace, example:
user_events: User-based Event Tracing — The Linux …
https://kernel.org/doc/html/v5.18-rc6/trace/user_events.html
Kernel Hacking Guides; 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 ...
Uprobe-tracer: Uprobe-based Event Tracing - Linux kernel
https://www.kernel.org/doc/html/latest/trace/uprobetracer.html
Kernel Hacking Guides; 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. Overview; Synopsis ...
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