jehanne/sys/src/lib/jehanne/9sys/cputime.c

26 lines
602 B
C

/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
#include <u.h>
#include <libc.h>
#define HZ 1000
double
jehanne_cputime(void)
{
int32_t t[4];
int i;
jehanne_times(t);
for(i=1; i<4; i++)
t[0] += t[i];
return t[0] / (double)HZ;
}