2 * Copyright (c) 2004 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Joerg Sonnenberger <joerg@bec.de>.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $DragonFly: src/lib/libkinfo/kinfo_sched.c,v 1.1 2004/12/22 11:01:49 joerg Exp $
37 #include <sys/param.h>
38 #include <sys/sysctl.h>
43 kinfo_get_cpus(int *ncpus)
45 size_t len = sizeof(*ncpus);
47 return(sysctlbyname("hw.ncpu", ncpus, &len, NULL, 0));
51 kinfo_get_sched_ccpu(int *ccpu)
53 size_t len = sizeof(*ccpu);
55 return(sysctlbyname("kern.ccpu", ccpu, &len, NULL, 0));
59 kinfo_get_sched_cputime(struct kinfo_cputime *cputime)
61 size_t len = sizeof(*cputime);
63 return(sysctlbyname("kern.cp_time", cputime, &len, NULL, 0));
67 kinfo_get_sched_hz(int *hz)
69 struct kinfo_clockinfo clockinfo;
70 size_t len = sizeof(clockinfo);
73 retval = sysctlbyname("kern.clockrate", &clockinfo, &len, NULL, 0);
77 *hz = clockinfo.ci_hz;
82 kinfo_get_sched_stathz(int *stathz)
84 struct kinfo_clockinfo clockinfo;
85 size_t len = sizeof(clockinfo);
88 retval = sysctlbyname("kern.clockrate", &clockinfo, &len, NULL, 0);
92 *stathz = clockinfo.ci_stathz;
97 kinfo_get_sched_profhz(int *profhz)
99 struct kinfo_clockinfo clockinfo;
100 size_t len = sizeof(clockinfo);
103 retval = sysctlbyname("kern.clockrate", &clockinfo, &len, NULL, 0);
107 *profhz = clockinfo.ci_profhz;