25 lines
645 B
C
25 lines
645 B
C
#include <stdio.h>
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#include <stdlib.h>
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#define TIMER_CLEAR (tv1.tv_sec = tv1.tv_usec = tv2.tv_sec = tv2.tv_usec = 0)
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#define TIMER_START gettimeofday(&tv1, (struct timezone*)0)
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#define TIMER_ELAPSED (double) (tv2.tv_usec-tv1.tv_usec)/1000000.0+(tv2.tv_sec-tv1.tv_sec)
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#define TIMER_STOP gettimeofday(&tv2, (struct timezone*)0)
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struct timeval tv1,tv2;
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int main(int argc, char* argv[])
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{
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int i;
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TIMER_CLEAR;
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TIMER_START;
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// Call to function that you want to time
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// example
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sleep(5); //Timer will give us ~5 seconds
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TIMER_STOP;
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printf("Time elapsed = %f seconds\n", TIMER_ELAPSED);
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return 0;
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} |