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timing: add kconfig CONFIG_TIMING_FUNCTIONS_NEED_AT_BOOT

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This adds a new kconfig CONFIG_TIMING_FUNCTIONS_NEED_AT_BOOT so
that the timing subsystem can be initialized at boot, instead of
being #ifdef under thread runtime statistics. This will allow
other part of kernel and other subsystems to utilize the timing
functions.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2021-03-31 13:40:01 -07:00 • committed by Anas Nashif
commit 1559712b22
3 changed files with 13 additions and 2 deletions
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10
subsys/timing/Kconfig
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@ -7,3 +7,13 @@ config TIMING_FUNCTIONS
help
When enabled, timing related functions are compiled. This is
useful for gathering timing on code execution.
config TIMING_FUNCTIONS_NEED_AT_BOOT
bool
select TIMING_FUNCTIONS
help
Hidden option to indicate that timing functions need to be
initialized at boot.
To be selected by kernel and other subsystems which need
to use timing functions.