1 Index: new/qemu-options.hx
2 ===================================================================
3 --- new.orig/qemu-options.hx 2014-05-05 07:07:11.000000000 +0200
4 +++ new/qemu-options.hx 2014-05-05 07:13:45.000000000 +0200
9 +DEF("id", HAS_ARG, QEMU_OPTION_id,
10 + "-id n set the faisched ID\n", QEMU_ARCH_ALL)
12 +DEF("cpuunits", HAS_ARG, QEMU_OPTION_cpuunits,
13 + "-cpuuinits n set fairsched cpu units\n", QEMU_ARCH_ALL)
15 DEF("fda", HAS_ARG, QEMU_OPTION_fda,
16 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n", QEMU_ARCH_ALL)
17 DEF("fdb", HAS_ARG, QEMU_OPTION_fdb, "", QEMU_ARCH_ALL)
19 ===================================================================
20 --- new.orig/vl.c 2014-05-05 07:07:11.000000000 +0200
21 +++ new/vl.c 2014-05-05 07:13:45.000000000 +0200
24 #include "sysemu/qtest.h"
26 +#include "vzsyscalls.h"
28 #include "disas/disas.h"
32 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
33 int win2k_install_hack = 0;
35 +int fairsched_id = 0;
40 int main(int argc, char **argv, char **envp)
44 + long int fairsched_id_long = 0;
46 int snapshot, linux_boot;
47 const char *icount_option = NULL;
48 const char *initrd_filename;
49 @@ -3677,6 +3683,21 @@
53 + case QEMU_OPTION_id:
54 + fairsched_id_long = strtol(optarg, &ep, 10);
55 + fairsched_id = fairsched_id_long;
56 + if (*ep != 0 || fairsched_id_long < 100 || fairsched_id_long > INT_MAX) {
57 + fprintf(stderr, "Invalid ID\n");
61 + case QEMU_OPTION_cpuunits:
62 + cpuunits = atoi(optarg);
63 + if (cpuunits < 8 || cpuunits > 500000) {
64 + fprintf(stderr, "Invalid value for cpuunits\n");
71 @@ -4268,6 +4289,39 @@
75 + if (cpuunits && !fairsched_id) {
76 + fprintf(stderr, "cpuunits specified without -id");
80 + if (fairsched_id && cpuunits) {
82 + int weight = cpuunits ? 500000/cpuunits : 500;
83 + pid_t cpid = getpid();
85 + ret = syscall(__NR_fairsched_rmnod, fairsched_id);
86 + if (ret == -EBUSY) {
87 + fprintf (stderr, "unable to create fairsched node - still in use\n");
91 + ret = syscall(__NR_fairsched_mknod, 0, weight, fairsched_id);
92 + if (ret != fairsched_id) {
93 + fprintf (stderr, "unable to create fairsched node\n");
97 + ret = syscall(__NR_fairsched_mvpr, cpid, fairsched_id);
99 + fprintf (stderr, "unable to move procces to fairsched group");
103 + /* note: we can never remove ourself from the group, so the empty group
104 + will exist after we finish
111 Index: new/vzsyscalls.h
112 ===================================================================
113 --- /dev/null 1970-01-01 00:00:00.000000000 +0000
114 +++ new/vzsyscalls.h 2014-05-05 07:13:45.000000000 +0200
117 + * Copyright (C) 2000-2008, Parallels, Inc. All rights reserved.
119 + * This program is free software; you can redistribute it and/or modify
120 + * it under the terms of the GNU General Public License as published by
121 + * the Free Software Foundation; either version 2 of the License, or
122 + * (at your option) any later version.
124 + * This program is distributed in the hope that it will be useful,
125 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
126 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
127 + * GNU General Public License for more details.
129 + * You should have received a copy of the GNU General Public License
130 + * along with this program; if not, write to the Free Software
131 + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
133 +#ifndef _VZSYSCALLS_H_
134 +#define _VZSYSCALLS_H_
136 +#include <sys/syscall.h>
139 +#define __NR_fairsched_vcpus 499
140 +#define __NR_setluid 501
141 +#define __NR_setublimit 502
142 +#define __NR_fairsched_mknod 504
143 +#define __NR_fairsched_rmnod 505
144 +#define __NR_fairsched_chwt 506
145 +#define __NR_fairsched_mvpr 507
146 +#define __NR_fairsched_rate 508
147 +#define __NR_ioprio_set 251
148 +#elif defined(__i386__)
149 +#define __NR_fairsched_mknod 500
150 +#define __NR_fairsched_rmnod 501
151 +#define __NR_fairsched_chwt 502
152 +#define __NR_fairsched_mvpr 503
153 +#define __NR_fairsched_rate 504
154 +#define __NR_fairsched_vcpus 505
155 +#define __NR_setluid 511
156 +#define __NR_setublimit 512
157 +#define __NR_ioprio_set 289
159 +#error "no syscall for this arch"