1/*-
2 * Copyright (c) 1982, 1986, 1990, 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.
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30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * $FreeBSD: head/sys/kern/sched_4bsd.c 113923 2003-04-23 18:51:05Z jhb $
39 */
40
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/kernel.h>
44#include <sys/ktr.h>
45#include <sys/lock.h>
46#include <sys/mutex.h>
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60 RQ_PPQ) + INVERSE_ESTCPU_WEIGHT - 1)
61#define INVERSE_ESTCPU_WEIGHT 8 /* 1 / (priorities per estcpu level). */
62#define NICE_WEIGHT 1 /* Priorities per nice level. */
63
64struct ke_sched {
65 int ske_cpticks; /* (j) Ticks of cpu time. */
66};
67
68struct ke_sched ke_sched;
69
70struct ke_sched *kse0_sched = &ke_sched;
71struct kg_sched *ksegrp0_sched = NULL;
72struct p_sched *proc0_sched = NULL;
73struct td_sched *thread0_sched = NULL;
74
75static int sched_quantum; /* Roundrobin scheduling quantum in ticks. */
76#define SCHED_QUANTUM (hz / 10) /* Default sched quantum */
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2 * Copyright (c) 1982, 1986, 1990, 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.
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30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * $FreeBSD: head/sys/kern/sched_4bsd.c 113923 2003-04-23 18:51:05Z jhb $
39 */
40
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/kernel.h>
44#include <sys/ktr.h>
45#include <sys/lock.h>
46#include <sys/mutex.h>
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60 RQ_PPQ) + INVERSE_ESTCPU_WEIGHT - 1)
61#define INVERSE_ESTCPU_WEIGHT 8 /* 1 / (priorities per estcpu level). */
62#define NICE_WEIGHT 1 /* Priorities per nice level. */
63
64struct ke_sched {
65 int ske_cpticks; /* (j) Ticks of cpu time. */
66};
67
68struct ke_sched ke_sched;
69
70struct ke_sched *kse0_sched = &ke_sched;
71struct kg_sched *ksegrp0_sched = NULL;
72struct p_sched *proc0_sched = NULL;
73struct td_sched *thread0_sched = NULL;
74
75static int sched_quantum; /* Roundrobin scheduling quantum in ticks. */
76#define SCHED_QUANTUM (hz / 10) /* Default sched quantum */
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