148 lines
4.0 KiB
C
148 lines
4.0 KiB
C
/*
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* Copyright (c) 2004 Ulrich Drepper <drepper@redhat.com>
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* Copyright (c) 2005 Roland McGrath <roland@redhat.com>
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* Copyright (c) 2012-2015 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "defs.h"
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#include <sched.h>
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#include "xlat/schedulers.h"
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#include "xlat/sched_flags.h"
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SYS_FUNC(sched_getscheduler)
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{
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if (entering(tcp)) {
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tprintf("%d", (int) tcp->u_arg[0]);
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} else if (!syserror(tcp)) {
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tcp->auxstr = xlookup(schedulers, (unsigned long) tcp->u_rval);
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if (tcp->auxstr != NULL)
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return RVAL_STR;
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}
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return 0;
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}
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SYS_FUNC(sched_setscheduler)
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{
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tprintf("%d, ", (int) tcp->u_arg[0]);
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printxval(schedulers, tcp->u_arg[1], "SCHED_???");
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tprints(", ");
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printnum_int(tcp, tcp->u_arg[2], "%d");
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return RVAL_DECODED;
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}
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SYS_FUNC(sched_getparam)
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{
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if (entering(tcp))
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tprintf("%d, ", (int) tcp->u_arg[0]);
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else
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printnum_int(tcp, tcp->u_arg[1], "%d");
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return 0;
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}
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SYS_FUNC(sched_setparam)
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{
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tprintf("%d, ", (int) tcp->u_arg[0]);
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printnum_int(tcp, tcp->u_arg[1], "%d");
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return RVAL_DECODED;
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}
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SYS_FUNC(sched_get_priority_min)
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{
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printxval(schedulers, tcp->u_arg[0], "SCHED_???");
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return RVAL_DECODED;
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}
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SYS_FUNC(sched_rr_get_interval)
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{
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if (entering(tcp)) {
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tprintf("%d, ", (int) tcp->u_arg[0]);
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} else {
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if (syserror(tcp))
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printaddr(tcp->u_arg[1]);
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else
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print_timespec(tcp, tcp->u_arg[1]);
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}
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return 0;
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}
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static void
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print_sched_attr(struct tcb *tcp, const long addr, unsigned int size)
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{
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struct {
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uint32_t size;
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uint32_t sched_policy;
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uint64_t sched_flags;
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uint32_t sched_nice;
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uint32_t sched_priority;
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uint64_t sched_runtime;
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uint64_t sched_deadline;
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uint64_t sched_period;
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} attr = {};
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if (size > sizeof(attr))
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size = sizeof(attr);
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if (umoven_or_printaddr(tcp, addr, size, &attr))
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return;
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tprintf("{size=%u, sched_policy=", attr.size);
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printxval(schedulers, attr.sched_policy, "SCHED_???");
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tprints(", sched_flags=");
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printflags64(sched_flags, attr.sched_flags, "SCHED_FLAG_???");
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tprintf(", sched_nice=%d", attr.sched_nice);
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tprintf(", sched_priority=%u", attr.sched_priority);
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tprintf(", sched_runtime=%" PRIu64, attr.sched_runtime);
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tprintf(", sched_deadline=%" PRIu64, attr.sched_deadline);
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tprintf(", sched_period=%" PRIu64 "}", attr.sched_period);
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}
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SYS_FUNC(sched_setattr)
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{
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tprintf("%d, ", (int) tcp->u_arg[0]);
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print_sched_attr(tcp, tcp->u_arg[1], 0x100);
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tprintf(", %u", (unsigned int) tcp->u_arg[2]);
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return RVAL_DECODED;
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}
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SYS_FUNC(sched_getattr)
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{
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if (entering(tcp)) {
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tprintf("%d, ", (int) tcp->u_arg[0]);
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} else {
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print_sched_attr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
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tprintf(", %u, %u",
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(unsigned int) tcp->u_arg[2],
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(unsigned int) tcp->u_arg[3]);
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}
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return 0;
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}
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