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trace - Coordinating Times From …
https://stackoverflow.com/questions/8903473/coordinating-times-from-sys-kernel-debug-tracing-in-ubuntu
I am trying to gather data from multiple sources on an Ubuntu 10.10 machine programatically about a program's performance. For all of my other sources, I have been able to gather them using the RDT...
Why does permission on "/sys/kernel/debug/tracing" …
https://access.redhat.com/solutions/5914171
For backward compatibility when mounting the debugfs file system, the tracefs file system will be automatically mounted at /sys/kernel/debug/tracing. All files located in the tracefs file system will be located in that debugfs file system directory as well. Refer Add new file system tracefs.
Event Tracing — The Linux Kernel documentation
https://www.kernel.org/doc/html/latest/trace/events.html
Using Event Tracing ¶ 2.1 Via the ‘set_event’ interface ¶ 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
Tracing the Linux kernel with ftrace - #embeddedbits
https://embeddedbits.org/tracing-the-linux-kernel-with-ftrace/
commands: record - record a trace into a trace.dat file start - start tracing without recording into a file extract - extract a trace from the kernel stop - stop the …
Issue with Vitis AI Profiler (No such file or directory: …
https://github.com/Xilinx/Vitis-AI/issues/448
The following command causes the issue "FileNotFoundError: [Errno 2] No such file or directory: '/sys/kernel/debug/tracing/trace_clock'". sudo vaitrace ./resnet50 …
How do I get rid of /sys/kernel/debug/tracing? - Ask Ubuntu
https://askubuntu.com/questions/847962/how-do-i-get-rid-of-sys-kernel-debug-tracing
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Kernel Debugging and Tracing - events.static.linuxfound.org
https://events.static.linuxfound.org/sites/events/files/slides/State_Of_kernel_debugging_LinuxCon2014_0.pdf
Kernel config options: CONFIG_PSTORE=y CONFIG_PSTORE_CONSOLE=y CONFIG_PSTORE_FTRACE=y CONFIG_PSTORE_RAM=y Know your target HW for 128 megs ram (kernel args) mem=127M ramoops.mem_size=0xa0000 Do not use full final meg of ram ramoops.mem_address=0x7f00000 Collect ftrace echo 1 > …
www.kernel.org
https://www.kernel.org/doc/Documentation/trace/ftrace.txt
To set a clock, simply echo the clock name into this file. echo global > trace_clock trace_marker: This is a very useful file for synchronizing user space with events happening in the kernel. Writing strings into this file will be written into the ftrace buffer.
Linux tracing and debugging - OSADL
https://www.osadl.org/fileadmin/dam/presentations/HOT-04-2020/HOT-2020-04-Technical-Session-2a-Linux-kernel-debug-and-trace-interface.pdf
The virtual file system to access kernel tracing is the same as for all other debug subsystems of the kernel (usually automatically mounted): # mount -t debugfs nodev /sys/kernel/debug
[PATCH v2] tracing/x86: Update syscall trace events to handle …
LKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH v2] tracing/x86: Update syscall trace events to handle new x86 syscall func names @ 2018-04-17 17:07 Steven Rostedt 2018-04-17 17:22 ` Dominik Brodowski 2018-04-17 17:29 ` Arnaldo Carvalho de Melo 0 siblings, 2 replies; 16+ messages in thread From: Steven Rostedt @ 2018-04-17 17:07 UTC (permalink / …
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