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Kbuild: add PERFORMANCE_METRICS config entry

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Change-Id: Iec8cc99c7046197aea95bd54da475db75f7c16e0

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif 2015-05-10 18:44:45 -04:00
commit 8b0f154b88
1 changed files with 10 additions and 1 deletions
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11
Kconfig
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@ -54,11 +54,20 @@ endmenu
menu "System Monitoring Options"
config PERFORMANCE_METRICS
bool
prompt "Enable performance metrics"
default n
depends on EXPERIMENTAL
help
Enable Performance Metrics.
config BOOT_TIME_MEASUREMENT
bool
prompt "Boot time measurements [EXPERIMENTAL]"
default n
depends on EXPERIMENTAL
depends on EXPERIMENTAL && PERFORMANCE_METRICS
help
This option enables the recording of timestamps during system start
up. The global variable __start_tsc records the time kernel begins