34 lines
		
	
	
		
			551 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			551 B
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0-only
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| /*
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|  * Copyright 2015, Anton Blanchard, IBM Corp.
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|  */
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| 
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| #include <sys/time.h>
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| #include <stdio.h>
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| 
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| #include "utils.h"
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| 
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| static int test_gettimeofday(void)
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| {
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| 	int i;
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| 
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| 	struct timeval tv_start, tv_end, tv_diff;
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| 
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| 	gettimeofday(&tv_start, NULL);
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| 
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| 	for(i = 0; i < 100000000; i++) {
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| 		gettimeofday(&tv_end, NULL);
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| 	}
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| 
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| 	timersub(&tv_start, &tv_end, &tv_diff);
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| 
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| 	printf("time = %.6f\n", tv_diff.tv_sec + (tv_diff.tv_usec) * 1e-6);
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| 
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| 	return 0;
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| }
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| 
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| int main(void)
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| {
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| 	return test_harness(test_gettimeofday, "gettimeofday");
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| }
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