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Increase the system timer rate:

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-CONFIG_USEC_PER_TICK=10000
+CONFIG_USEC_PER_TICK=1000

A system timer with a 10 MS period is not sufficient to run the dual thread sporadic scheduler test since the timings in that test are also around 10 MS.  Apparently there is a race condition when both sporadic thread's budgets complete on the same clock time.  This change does not eliminate the race, but reduces its effect greatly.
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Gregory Nutt
2021-03-19 15:22:25 -06:00
committed by Xiang Xiao
parent 2208aabbc6
commit 2775cadcd2
1 changed files with 1 additions and 0 deletions
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boards/arm/stm32/stm32f4discovery/configs/sporadic/defconfig
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@@ -49,4 +49,5 @@ CONFIG_TESTING_OSTEST=y
CONFIG_USART6_RXBUFSIZE=128 CONFIG_USART6_RXBUFSIZE=128
CONFIG_USART6_SERIAL_CONSOLE=y CONFIG_USART6_SERIAL_CONSOLE=y
CONFIG_USART6_TXBUFSIZE=128 CONFIG_USART6_TXBUFSIZE=128
CONFIG_USEC_PER_TICK=1000
CONFIG_USER_ENTRYPOINT="nsh_main" CONFIG_USER_ENTRYPOINT="nsh_main"