blob: e193498cb4c1586e90faebfe9920db77887335dc [file] [log] [blame]
/*
* Copyright (c) 2004 Ulrich Drepper <drepper@redhat.com>
* Copyright (c) 2005 Roland McGrath <roland@redhat.com>
* Copyright (c) 2012-2015 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "defs.h"
#include <sched.h>
#include "xlat/schedulers.h"
#include "xlat/sched_flags.h"
SYS_FUNC(sched_getscheduler)
{
if (entering(tcp)) {
tprintf("%d", (int) tcp->u_arg[0]);
} else if (!syserror(tcp)) {
tcp->auxstr = xlookup(schedulers, tcp->u_rval);
if (tcp->auxstr != NULL)
return RVAL_STR;
}
return 0;
}
SYS_FUNC(sched_setscheduler)
{
tprintf("%d, ", (int) tcp->u_arg[0]);
printxval(schedulers, tcp->u_arg[1], "SCHED_???");
tprints(", ");
printnum_int(tcp, tcp->u_arg[2], "%d");
return RVAL_DECODED;
}
SYS_FUNC(sched_getparam)
{
if (entering(tcp))
tprintf("%d, ", (int) tcp->u_arg[0]);
else
printnum_int(tcp, tcp->u_arg[1], "%d");
return 0;
}
SYS_FUNC(sched_setparam)
{
tprintf("%d, ", (int) tcp->u_arg[0]);
printnum_int(tcp, tcp->u_arg[1], "%d");
return RVAL_DECODED;
}
SYS_FUNC(sched_get_priority_min)
{
printxval(schedulers, tcp->u_arg[0], "SCHED_???");
return RVAL_DECODED;
}
SYS_FUNC(sched_rr_get_interval)
{
if (entering(tcp)) {
tprintf("%d, ", (int) tcp->u_arg[0]);
} else {
if (syserror(tcp))
printaddr(tcp->u_arg[1]);
else
print_timespec(tcp, tcp->u_arg[1]);
}
return 0;
}
static void
print_sched_attr(struct tcb *tcp, const long addr, unsigned int size)
{
struct {
uint32_t size;
uint32_t sched_policy;
uint64_t sched_flags;
uint32_t sched_nice;
uint32_t sched_priority;
uint64_t sched_runtime;
uint64_t sched_deadline;
uint64_t sched_period;
} attr = {};
if (size > sizeof(attr))
size = sizeof(attr);
if (umoven_or_printaddr(tcp, addr, size, &attr))
return;
tprintf("{size=%u, sched_policy=", attr.size);
printxval(schedulers, attr.sched_policy, "SCHED_???");
tprints(", sched_flags=");
printflags(sched_flags, attr.sched_flags, "SCHED_FLAG_???");
tprintf(", sched_nice=%d", attr.sched_nice);
tprintf(", sched_priority=%u", attr.sched_priority);
tprintf(", sched_runtime=%" PRIu64, attr.sched_runtime);
tprintf(", sched_deadline=%" PRIu64, attr.sched_deadline);
tprintf(", sched_period=%" PRIu64 "}", attr.sched_period);
}
SYS_FUNC(sched_setattr)
{
tprintf("%d, ", (int) tcp->u_arg[0]);
print_sched_attr(tcp, tcp->u_arg[1], 0x100);
tprintf(", %u", (unsigned int) tcp->u_arg[2]);
return RVAL_DECODED;
}
SYS_FUNC(sched_getattr)
{
if (entering(tcp)) {
tprintf("%d, ", (int) tcp->u_arg[0]);
} else {
print_sched_attr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
tprintf(", %u, %u",
(unsigned int) tcp->u_arg[2],
(unsigned int) tcp->u_arg[3]);
}
return 0;
}