subrata_modak | 5e975a5 | 2009-04-22 10:48:10 +0000 | [diff] [blame] | 1 | /******************************************************************************/ |
| 2 | /* */ |
| 3 | /* Copyright (c) 2009 FUJITSU LIMITED */ |
| 4 | /* */ |
| 5 | /* This program is free software; you can redistribute it and/or modify */ |
| 6 | /* it under the terms of the GNU General Public License as published by */ |
| 7 | /* the Free Software Foundation; either version 2 of the License, or */ |
| 8 | /* (at your option) any later version. */ |
| 9 | /* */ |
| 10 | /* This program is distributed in the hope that it will be useful, */ |
| 11 | /* but WITHOUT ANY WARRANTY; without even the implied warranty of */ |
| 12 | /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */ |
| 13 | /* the GNU General Public License for more details. */ |
| 14 | /* */ |
| 15 | /* You should have received a copy of the GNU General Public License */ |
| 16 | /* along with this program; if not, write to the Free Software */ |
Wanlong Gao | 4548c6c | 2012-10-19 18:03:36 +0800 | [diff] [blame] | 17 | /* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ |
subrata_modak | 5e975a5 | 2009-04-22 10:48:10 +0000 | [diff] [blame] | 18 | /* */ |
| 19 | /* Author: Miao Xie <miaox@cn.fujitsu.com> */ |
| 20 | /* */ |
| 21 | /******************************************************************************/ |
| 22 | |
| 23 | #define _GNU_SOURCE |
| 24 | |
Stanislav Kholmanskikh | 87156a0 | 2013-10-01 17:44:50 +0400 | [diff] [blame] | 25 | #include "config.h" |
subrata_modak | 5e975a5 | 2009-04-22 10:48:10 +0000 | [diff] [blame] | 26 | #include <sched.h> |
| 27 | #include <unistd.h> |
| 28 | #include <stdlib.h> |
| 29 | #include <stdio.h> |
| 30 | #include <signal.h> |
| 31 | #include <err.h> |
| 32 | #include <limits.h> |
| 33 | #include <getopt.h> |
| 34 | #include <string.h> |
| 35 | #include <fcntl.h> |
| 36 | #include <sys/types.h> |
| 37 | #include <sys/stat.h> |
| 38 | #include <sys/mman.h> |
| 39 | #include <sys/shm.h> |
| 40 | #include <syscall.h> |
yaberauneya | 0e76817 | 2009-11-04 05:21:36 +0000 | [diff] [blame] | 41 | #include <inttypes.h> |
Stanislav Kholmanskikh | 87156a0 | 2013-10-01 17:44:50 +0400 | [diff] [blame] | 42 | #if HAVE_NUMA_H |
| 43 | #include <numa.h> |
| 44 | #endif |
| 45 | #if HAVE_NUMAIF_H |
| 46 | #include <numaif.h> |
| 47 | #endif |
| 48 | |
yaberauneya | 0e76817 | 2009-11-04 05:21:36 +0000 | [diff] [blame] | 49 | #include "test.h" |
Garrett Cooper | 1e58738 | 2011-03-15 05:02:48 -0700 | [diff] [blame] | 50 | |
| 51 | char *TCID = "cpuset_syscall_test"; |
Stanislav Kholmanskikh | 87156a0 | 2013-10-01 17:44:50 +0400 | [diff] [blame] | 52 | int TST_TOTAL = 1; |
Garrett Cooper | 1e58738 | 2011-03-15 05:02:48 -0700 | [diff] [blame] | 53 | |
Stanislav Kholmanskikh | 87156a0 | 2013-10-01 17:44:50 +0400 | [diff] [blame] | 54 | #if HAVE_NUMA_H && HAVE_LINUX_MEMPOLICY_H && HAVE_NUMAIF_H \ |
| 55 | && HAVE_MPOL_CONSTANTS |
subrata_modak | 5e975a5 | 2009-04-22 10:48:10 +0000 | [diff] [blame] | 56 | |
subrata_modak | 71b936e | 2009-04-25 18:10:58 +0000 | [diff] [blame] | 57 | #include "../cpuset_lib/cpuset.h" |
| 58 | #include "../cpuset_lib/bitmask.h" |
| 59 | |
Stanislav Kholmanskikh | 87156a0 | 2013-10-01 17:44:50 +0400 | [diff] [blame] | 60 | static unsigned long mask; |
| 61 | static int test = -1; |
| 62 | static int flag_exit; |
| 63 | static int ret; |
subrata_modak | 5e975a5 | 2009-04-22 10:48:10 +0000 | [diff] [blame] | 64 | |
| 65 | #define OPT_setaffinity (SCHAR_MAX + 1) |
| 66 | #define OPT_getaffinity (SCHAR_MAX + 2) |
| 67 | #define OPT_mbind (SCHAR_MAX + 3) |
| 68 | #define OPT_set_mempolicy (SCHAR_MAX + 4) |
| 69 | #define OPT_get_mempolicy (SCHAR_MAX + 5) |
| 70 | |
| 71 | const struct option long_opts[] = { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 72 | {"setaffinity", 1, NULL, OPT_setaffinity}, |
| 73 | {"getaffinity", 0, NULL, OPT_getaffinity}, |
| 74 | {"mbind", 1, NULL, OPT_mbind}, |
| 75 | {"set_mempolicy", 1, NULL, OPT_set_mempolicy}, |
| 76 | {"get_mempolicy", 0, NULL, OPT_get_mempolicy}, |
| 77 | {NULL, 0, NULL, 0}, |
subrata_modak | 5e975a5 | 2009-04-22 10:48:10 +0000 | [diff] [blame] | 78 | }; |
| 79 | |
| 80 | void process_options(int argc, char *argv[]) |
| 81 | { |
| 82 | int c; |
| 83 | char *end; |
subrata_modak | 5e975a5 | 2009-04-22 10:48:10 +0000 | [diff] [blame] | 84 | |
| 85 | while (1) { |
| 86 | c = getopt_long(argc, argv, "", long_opts, NULL); |
| 87 | if (c == -1) |
| 88 | break; |
| 89 | |
| 90 | switch (c) { |
| 91 | case OPT_setaffinity: |
| 92 | test = 0; |
| 93 | mask = strtoul(optarg, &end, 10); |
| 94 | if (*end != '\0') |
| 95 | errx(1, "wrong -s argument!"); |
| 96 | break; |
| 97 | case OPT_getaffinity: |
| 98 | test = 1; |
| 99 | break; |
| 100 | case OPT_mbind: |
| 101 | test = 2; |
| 102 | mask = strtoul(optarg, &end, 10); |
| 103 | if (*end != '\0') |
| 104 | errx(1, "wrong -s argument!"); |
| 105 | break; |
| 106 | case OPT_set_mempolicy: |
| 107 | test = 3; |
| 108 | mask = strtoul(optarg, &end, 10); |
| 109 | if (*end != '\0') |
| 110 | errx(1, "wrong -s argument!"); |
| 111 | break; |
| 112 | case OPT_get_mempolicy: |
| 113 | test = 4; |
| 114 | break; |
| 115 | default: |
| 116 | errx(1, "unknown option!\n"); |
| 117 | break; |
| 118 | } |
| 119 | } |
| 120 | } |
| 121 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 122 | void sigint_handler(int __attribute__ ((unused)) signo) |
subrata_modak | 5e975a5 | 2009-04-22 10:48:10 +0000 | [diff] [blame] | 123 | { |
| 124 | flag_exit = 1; |
| 125 | } |
| 126 | |
| 127 | void test_setaffinity(void) |
| 128 | { |
| 129 | cpu_set_t tmask; |
Jan Stancek | 6fb9117 | 2014-11-10 08:44:59 -0500 | [diff] [blame] | 130 | unsigned int i; |
subrata_modak | 5e975a5 | 2009-04-22 10:48:10 +0000 | [diff] [blame] | 131 | CPU_ZERO(&tmask); |
| 132 | for (i = 0; i < 8 * sizeof(mask); i++) { |
| 133 | if ((1 << i) & mask) |
| 134 | CPU_SET(i, &tmask); |
| 135 | } |
| 136 | ret = sched_setaffinity(0, sizeof(tmask), &tmask); |
| 137 | } |
| 138 | |
| 139 | void test_getaffinity(void) |
| 140 | { |
| 141 | cpu_set_t tmask; |
Jan Stancek | 6fb9117 | 2014-11-10 08:44:59 -0500 | [diff] [blame] | 142 | unsigned int i; |
subrata_modak | 5e975a5 | 2009-04-22 10:48:10 +0000 | [diff] [blame] | 143 | CPU_ZERO(&tmask); |
| 144 | ret = sched_getaffinity(0, sizeof(tmask), &tmask); |
| 145 | for (i = 0; i < 8 * sizeof(mask); i++) { |
| 146 | if (CPU_ISSET(i, &tmask)) |
| 147 | printf("%d,", i); |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | void test_mbind(void) |
| 152 | { |
| 153 | void *addr; |
| 154 | int len = 10 * 1024 * 1024; |
| 155 | addr = mmap(NULL, len, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
| 156 | if (addr == MAP_FAILED) { |
| 157 | ret = 1; |
| 158 | return; |
| 159 | } |
yaberauneya | f12a19a | 2009-12-19 05:21:23 +0000 | [diff] [blame] | 160 | printf("%p\n", addr); |
subrata_modak | 5e975a5 | 2009-04-22 10:48:10 +0000 | [diff] [blame] | 161 | ret = mbind(addr, len, MPOL_BIND, &mask, 8 * sizeof(mask), 0); |
| 162 | } |
| 163 | |
| 164 | void test_set_mempolicy(void) |
| 165 | { |
| 166 | ret = set_mempolicy(MPOL_BIND, &mask, 8 * sizeof(mask)); |
| 167 | } |
| 168 | |
| 169 | void test_get_mempolicy(void) |
| 170 | { |
subrata_modak | 71b936e | 2009-04-25 18:10:58 +0000 | [diff] [blame] | 171 | int nbits; |
| 172 | struct bitmask *nmask; |
| 173 | char str[256]; |
| 174 | |
| 175 | nbits = cpuset_mems_nbits(); |
| 176 | if (nbits <= 0) { |
| 177 | warn("get the nbits of nodes failed"); |
| 178 | ret = 1; |
| 179 | return; |
| 180 | } |
| 181 | |
| 182 | nmask = bitmask_alloc(nbits); |
| 183 | if (nmask == NULL) { |
| 184 | warn("alloc bitmask failed"); |
| 185 | ret = 1; |
| 186 | return; |
| 187 | } |
Jan Stancek | 14f1d23 | 2014-01-07 14:46:16 +0100 | [diff] [blame] | 188 | #if HAVE_DECL_MPOL_F_MEMS_ALLOWED |
subrata_modak | 71b936e | 2009-04-25 18:10:58 +0000 | [diff] [blame] | 189 | ret = get_mempolicy(NULL, bitmask_mask(nmask), bitmask_nbits(nmask), 0, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 190 | MPOL_F_MEMS_ALLOWED); |
Jan Stancek | 14f1d23 | 2014-01-07 14:46:16 +0100 | [diff] [blame] | 191 | #else |
Jan Stancek | 6fb9117 | 2014-11-10 08:44:59 -0500 | [diff] [blame] | 192 | tst_resm(TCONF, "don't have MPOL_F_MEMS_ALLOWED"); |
| 193 | ret = TCONF; |
Jan Stancek | 14f1d23 | 2014-01-07 14:46:16 +0100 | [diff] [blame] | 194 | #endif |
subrata_modak | 71b936e | 2009-04-25 18:10:58 +0000 | [diff] [blame] | 195 | |
| 196 | bitmask_displaylist(str, 256, nmask); |
yaberauneya | 397ae83 | 2010-01-19 08:04:00 +0000 | [diff] [blame] | 197 | puts(str); |
subrata_modak | 5e975a5 | 2009-04-22 10:48:10 +0000 | [diff] [blame] | 198 | } |
| 199 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 200 | void sigusr_handler(int __attribute__ ((unused)) signo) |
subrata_modak | 5e975a5 | 2009-04-22 10:48:10 +0000 | [diff] [blame] | 201 | { |
| 202 | switch (test) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 203 | case 0: |
| 204 | test_setaffinity(); |
| 205 | break; |
| 206 | case 1: |
| 207 | test_getaffinity(); |
| 208 | break; |
| 209 | case 2: |
| 210 | test_mbind(); |
| 211 | break; |
| 212 | case 3: |
| 213 | test_set_mempolicy(); |
| 214 | break; |
| 215 | case 4: |
| 216 | test_get_mempolicy(); |
| 217 | break; |
subrata_modak | 5e975a5 | 2009-04-22 10:48:10 +0000 | [diff] [blame] | 218 | default:; |
| 219 | } |
| 220 | test = -1; |
| 221 | } |
| 222 | |
| 223 | int main(int argc, char *argv[]) |
| 224 | { |
| 225 | struct sigaction sigint_action; |
| 226 | struct sigaction sigusr_action; |
| 227 | |
| 228 | memset(&sigint_action, 0, sizeof(sigint_action)); |
| 229 | sigint_action.sa_handler = &sigint_handler; |
| 230 | sigaction(SIGINT, &sigint_action, NULL); |
| 231 | |
| 232 | memset(&sigusr_action, 0, sizeof(sigusr_action)); |
| 233 | sigusr_action.sa_handler = &sigusr_handler; |
| 234 | sigaction(SIGUSR1, &sigusr_action, NULL); |
| 235 | |
| 236 | process_options(argc, argv); |
| 237 | |
| 238 | while (!flag_exit) |
| 239 | sleep(1); |
| 240 | |
| 241 | return ret; |
| 242 | } |
yaberauneya | 397ae83 | 2010-01-19 08:04:00 +0000 | [diff] [blame] | 243 | #else |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 244 | int main(void) |
| 245 | { |
Jan Stancek | 6fb9117 | 2014-11-10 08:44:59 -0500 | [diff] [blame] | 246 | tst_brkm(TCONF, NULL, "System doesn't have required mempolicy support"); |
yaberauneya | 397ae83 | 2010-01-19 08:04:00 +0000 | [diff] [blame] | 247 | } |
Garrett Cooper | 1e58738 | 2011-03-15 05:02:48 -0700 | [diff] [blame] | 248 | #endif |