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tracing: Add user-definable tracing interface

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Create a new tracing option TRACING_USER that allows
the user to define certain user_sys_trace_... functions
to perform whatever work desired for tracing when
tasks are swiched in/out, during isr enter/exit, and when
cpu is idle.

This infrastructure can be useful for plugging into
locally defined tracing tools or any user-specific
debugging environment.

Signed-off-by: Nicholas Lowell <nlowell@lexmark.com>
This commit is contained in:
Nicholas Lowell 2020-09-01 10:12:09 -04:00 • committed by Christopher Friedt
commit cc8ab95760
7 changed files with 406 additions and 1 deletions
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subsys/tracing/Kconfig
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@ -60,6 +60,11 @@ config TRACING_TEST
Enable tracing for testing kinds of format purpose. It must
implement the tracing hooks defined in tracing_test.h
config TRACING_USER
bool "Tracing using user-defined functions"
help
Use user-defined functions for tracing task switching and irqs
endchoice