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33 lines
586 B
C
33 lines
586 B
C
#include <time.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include "osfreq.c"
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static double cpufrequency = 0;
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static void init(void)
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{
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cpufrequency = osfreq();
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}
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long long cpucycles_gettimeofday(void)
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{
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double result;
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struct timeval t;
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if (!cpufrequency) init();
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gettimeofday(&t,(struct timezone *) 0);
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result = t.tv_usec;
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result *= 0.000001;
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result += (double) t.tv_sec;
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result *= cpufrequency;
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return result;
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}
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long long cpucycles_gettimeofday_persecond(void)
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{
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if (!cpufrequency) init();
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return cpufrequency;
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}
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