50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/*
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* Copyright (c) 2012 Travis Geiselbrecht
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <debug.h>
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#include <rand.h>
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#include <err.h>
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#include <app/tests.h>
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#include <kernel/thread.h>
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#include <kernel/mutex.h>
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#include <kernel/semaphore.h>
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#include <kernel/event.h>
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#include <platform.h>
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void clock_tests(void)
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{
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printf("counting to 5, in one second intervals\n");
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for (int i = 0; i < 5; i++) {
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thread_sleep(1000);
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printf("%d\n", i + 1);
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}
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printf("measuring cpu clock against time\n");
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for (int i = 0; i < 5; i++) {
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uint cycles = arch_cycle_count();
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spin(1000000);
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cycles = arch_cycle_count() - cycles;
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printf("%u cycles per second\n", cycles);
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}
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}
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