mirror of
https://github.com/Stichting-MINIX-Research-Foundation/pkgsrc-ng.git
synced 2025-09-13 06:23:45 -04:00
44 lines
851 B
C
44 lines
851 B
C
/*
|
|
* cpu_freebsd.c - module to get cpu usage, for DragonFly
|
|
*
|
|
* Copyright (c) 2007 Joerg Sonnenberger <joerg@leaf.dragonflybsd.org>
|
|
*
|
|
* Licensed under the GPL
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <kinfo.h>
|
|
#include "cpu.h"
|
|
|
|
void
|
|
cpu_init(void)
|
|
{
|
|
}
|
|
|
|
/* returns current CPU usage in percent */
|
|
int
|
|
cpu_get_usage(cpu_options *opts)
|
|
{
|
|
static uint64_t old_used, old_total;
|
|
uint64_t used, total;
|
|
struct kinfo_cputime cp_time;
|
|
int usage;
|
|
|
|
if (kinfo_get_sched_cputime(&cp_time) < 0)
|
|
return 0;
|
|
used = cp_time.cp_user + cp_time.cp_sys;
|
|
if (!opts->ignore_nice)
|
|
used += cp_time.cp_nice;
|
|
total = used + cp_time.cp_idle;
|
|
if (old_total == 0 || total == old_total)
|
|
usage = 0;
|
|
else
|
|
usage = 100 * (used - old_used + used / 2 - old_used / 2) / (total - old_total);
|
|
old_used = used;
|
|
old_total = total;
|
|
return usage;
|
|
}
|