The goal of this sample application is to measure the performance loss when a user thread has to go through a system call compared to a supervisor thread that calls the function directly. Signed-off-by: Nicolas Royer <nroyer@baylibre.com>
27 lines
575 B
C
27 lines
575 B
C
/*
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* Copyright (c) 2020 BayLibre, SAS
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr.h>
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#include <stdio.h>
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#include "main.h"
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#include "thread_def.h"
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void main(void)
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{
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printf("Main Thread started; %s\n", CONFIG_BOARD);
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k_thread_create(&supervisor_thread, supervisor_stack, THREAD_STACKSIZE,
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supervisor_thread_function, NULL, NULL, NULL,
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-1, K_INHERIT_PERMS, K_NO_WAIT);
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k_sleep(K_MSEC(1000));
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k_thread_create(&user_thread, user_stack, THREAD_STACKSIZE,
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user_thread_function, NULL, NULL, NULL,
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-1, K_USER | K_INHERIT_PERMS, K_NO_WAIT);
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}
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