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#include <u.h>
#include <sys/time.h>
#include <time.h>
#include <sys/resource.h>
#define NOPLAN9DEFINES
#include <libc.h>
long
p9times(long *t)
{
struct rusage ru, cru;
if(getrusage(0, &ru) < 0 || getrusage(-1, &cru) < 0)
return -1;
t[0] = ru.ru_utime.tv_sec*1000 + ru.ru_utime.tv_usec/1000;
t[1] = ru.ru_stime.tv_sec*1000 + ru.ru_stime.tv_usec/1000;
t[2] = cru.ru_utime.tv_sec*1000 + cru.ru_utime.tv_usec/1000;
t[3] = cru.ru_stime.tv_sec*1000 + cru.ru_stime.tv_usec/1000;
/* BUG */
return t[0]+t[1]+t[2]+t[3];
}
double
p9cputime(void)
{
long t[4];
double d;
if(p9times(t) < 0)
return -1.0;
d = (double)t[0]+(double)t[1]+(double)t[2]+(double)t[3];
return d/1000.0;
}
vlong
p9nsec(void)
{
struct timeval tv;
if(gettimeofday(&tv, 0) < 0)
return -1;
return (vlong)tv.tv_sec*1000*1000*1000 + tv.tv_usec*1000;
}
long
p9time(long *tt)
{
long t;
t = time(0);
if(tt)
*tt = t;
return t;
}
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