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2024-07-20 - 23:21

Dates and Events:

OSADL Articles:

2023-11-12 12:00

Open Source License Obligations Checklists even better now

Import the checklists to other tools, create context diffs and merged lists

2023-03-01 12:00

Embedded Linux distributions

Results of the online "wish list"

2022-01-13 12:00

Phase #3 of OSADL project on OPC UA PubSub over TSN successfully completed

Another important milestone on the way to interoperable Open Source real-time Ethernet has been reached

2021-02-09 12:00

Open Source OPC UA PubSub over TSN project phase #3 launched

Letter of Intent with call for participation is now available

OSADL Downloads

Download Task Visualizer


Download the file archive sched_switch-0.1.tgz and type:

# tar -zxvf sched_switch-0.1.tgz
# cd sched_switch-0.1
# make

Create task switch data, convert them to VCD (value change dump) data and display them using, for example, gtkwave:

# echo sched_switch >/sys/kernel/debug/tracing/current_tracer
# echo 1 >/sys/kernel/debug/tracing/tracing_enabled
# sleep 5
# echo 0 >/sys/kernel/debug/tracing/tracing_enabled
# cat /sys/kernel/debug/tracing/trace >/tmp/trace.txt
# ./sched_switch /tmp/trace.txt /tmp/trace.vcd
# gtkwave /tmp/trace.vcd

To display a particular data channel within gtkwave, select sched_switch in the top left window and drag and drop the label of the requested channel from the bottom left window labeled "Signals" to the drop area at the left side of the main wave display area (also labeled "Signals"). Alternatively, you may select the requested channels in the bottom left window labeled "Signals" and then click on the "Insert" button below the window.

File archive


Utility sched_switch by Herman ten Brugge

4.1 K