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target/espressif: add system level tracing feature

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Produces traces compatible with SEGGER SystemView tool.

Signed-off-by: Erhan Kurubas <erhan.kurubas@espressif.com>
Change-Id: If1057309edbb91ed2cf1ebf9137c378d3deb9b88
Reviewed-on: https://review.openocd.org/c/openocd/+/7606
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Erhan Kurubas
2023-04-14 00:07:18 +02:00
committed by Antonio Borneo
parent 144d940a8b
commit a0fecd6c41
6 changed files with 988 additions and 17 deletions
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34
doc/openocd.texi
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@@ -11271,6 +11271,40 @@ w/o OpenOCD command and keeps only the latest data window which fit into the buf
Data will be stored to specified destination.
@end deffn
@deffn {Command} {esp sysview} (start file://<outfile1> [file://<outfile2>] [<poll_period> [<trace_size> [<stop_tmo> [<wait4halt> [<skip_size>]]]]])
Starts @uref{https://www.segger.com/products/development-tools/systemview/, SEGGER SystemView}
compatible tracing. Data will be stored to specified destination.
For dual-core chips traces from every core will be saved to separate files.
Resulting files can be open in "SEGGER SystemView" application.
@url{https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/app_trace.html#openocd-systemview-tracing-command-options}
The meaning of the arguments is identical to @command{esp apptrace start}.
@end deffn
@deffn {Command} {esp sysview} (stop)
Stops SystremView compatible tracing started with above command.
@url{https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/app_trace.html#openocd-systemview-tracing-command-options}
@end deffn
@deffn {Command} {esp sysview} (status)
Requests ongoing SystremView compatible tracing status.
@url{https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/app_trace.html#openocd-systemview-tracing-command-options}
@end deffn
@deffn {Command} {esp sysview_mcore} (start file://<outfile> [<poll_period> [<trace_size> [<stop_tmo> [<wait4halt> [<skip_size>]]]]])
This command is identical to @command{esp sysview start}, but uses Espressif multi-core extension to
@uref{https://www.segger.com/products/development-tools/systemview/, SEGGER SystemView} data format.
Data will be stored to specified destination. Tracing data from all cores are saved in the same file.
The meaning of the arguments is identical to @command{esp sysview start}.
@end deffn
@deffn {Command} {esp sysview_mcore} (stop)
Stops Espressif multi-core SystremView tracing started with above command.
@end deffn
@deffn {Command} {esp sysview_mcore} (status)
Requests ongoing Espressif multi-core SystremView tracing status.
@end deffn
@anchor{softwaredebugmessagesandtracing}
@section Software Debug Messages and Tracing
@cindex Linux-ARM DCC support