2 * Copyright (c) 2022 Dmitry Chagin <dchagin@FreeBSD.org>
4 * SPDX-License-Identifier: BSD-2-Clause
10 #include <sys/stdint.h>
11 #include <sys/sysctl.h>
18 static uint32_t maxcpuid;
19 static uint32_t maxcpus;
26 size_t sz = sizeof(val);
28 ATF_REQUIRE(sysctlbyname("kern.smp.cpus", &val, &sz, NULL, 0) == 0);
33 support_getmaxcpus(void)
36 size_t sz = sizeof(val);
38 ATF_REQUIRE(sysctlbyname("kern.smp.maxcpus", &val, &sz, NULL, 0) == 0);
43 support_getmaxcpuid(void)
49 for (i = 1; i < maxcpus; i++) {
50 setsize = CPU_ALLOC_SIZE(i);
52 ATF_REQUIRE(set != NULL);
54 rv = cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
57 id = __BIT_FLS(i, set) - 1;
67 ATF_TC_WITHOUT_HEAD(test_setinvalidcpu);
68 ATF_TC_BODY(test_setinvalidcpu, tc)
73 cpusetsize = CPU_ALLOC_SIZE(maxcpuid + 1);
74 set = CPU_ALLOC(maxcpuid + 1);
75 ATF_REQUIRE(set != NULL);
76 CPU_ZERO_S(maxcpuid + 1, set);
77 CPU_SET_S(maxcpuid + 1, maxcpuid + 1, set);
78 CPU_SET_S(maxcpuid - 1, maxcpuid + 1, set);
79 ATF_REQUIRE(sched_setaffinity(0, cpusetsize, set) == 0);
82 cpusetsize = CPU_ALLOC_SIZE(maxcpus + 1);
83 set = CPU_ALLOC(maxcpus + 1);
84 ATF_REQUIRE(set != NULL);
85 CPU_ZERO_S(maxcpus + 1, set);
86 CPU_SET_S(maxcpuid + 1, maxcpus + 1, set);
87 CPU_SET_S(maxcpuid - 1, maxcpus + 1, set);
88 ATF_REQUIRE(cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
89 -1, cpusetsize, set) == -1);
90 ATF_REQUIRE_EQ(errno, EINVAL);
94 ATF_TC_WITHOUT_HEAD(test_setvalidcpu);
95 ATF_TC_BODY(test_setvalidcpu, tc)
101 ATF_REQUIRE(maxcpuid < maxcpus);
102 cpu = maxcpuid > 1 ? maxcpuid - 1 : 0;
104 cpusetsize = CPU_ALLOC_SIZE(maxcpus + 1);
105 set = CPU_ALLOC(maxcpus + 1);
106 ATF_REQUIRE(set != NULL);
107 CPU_ZERO_S(maxcpus + 1, set);
108 CPU_SET_S(cpu, maxcpus + 1, set);
109 ATF_REQUIRE(cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
110 -1, cpusetsize, set) == 0);
111 ATF_REQUIRE_EQ(cpu, sched_getcpu());
115 ATF_TC_WITHOUT_HEAD(test_setzeroset1);
116 ATF_TC_BODY(test_setzeroset1, tc)
121 cpusetsize = CPU_ALLOC_SIZE(maxcpuid + 1);
122 set = CPU_ALLOC(maxcpuid + 1);
123 ATF_REQUIRE(set != NULL);
124 CPU_ZERO_S(maxcpuid + 1, set);
125 ATF_REQUIRE(sched_setaffinity(0, cpusetsize, set) == -1);
126 ATF_REQUIRE_EQ(errno, EINVAL);
130 ATF_TC_WITHOUT_HEAD(test_setzeroset2);
131 ATF_TC_BODY(test_setzeroset2, tc)
136 cpusetsize = CPU_ALLOC_SIZE(maxcpuid + 1);
137 set = CPU_ALLOC(maxcpuid + 1);
138 ATF_REQUIRE(set != NULL);
139 CPU_ZERO_S(maxcpuid + 1, set);
140 ATF_REQUIRE(cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
141 -1, cpusetsize, set) == -1);
142 ATF_REQUIRE_EQ(errno, EDEADLK);
146 ATF_TC_WITHOUT_HEAD(test_setmaxsetsize);
147 ATF_TC_BODY(test_setmaxsetsize, tc)
152 cpusetsize = CPU_ALLOC_SIZE(maxcpus * 2);
153 set = CPU_ALLOC(maxcpus * 2);
154 ATF_REQUIRE(set != NULL);
155 CPU_ZERO_S(maxcpus * 2, set);
156 ATF_REQUIRE(CPU_COUNT_S(maxcpus * 2, set) == 0);
157 CPU_SET_S(0, maxcpus * 2, set);
158 ATF_REQUIRE(CPU_COUNT_S(maxcpus * 2, set) == 1);
159 ATF_REQUIRE(cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
160 -1, cpusetsize, set) == 0);
162 CPU_ZERO_S(maxcpus * 2, set);
163 CPU_SET_S(maxcpuid, maxcpus * 2, set);
164 ATF_REQUIRE(cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
165 -1, cpusetsize, set) == 0);
167 CPU_ZERO_S(maxcpus * 2, set);
168 CPU_SET_S(maxcpuid + 1, maxcpus * 2, set);
169 ATF_REQUIRE(cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
170 -1, cpusetsize, set) == -1);
171 ATF_REQUIRE_EQ(errno, EINVAL);
175 ATF_TC_WITHOUT_HEAD(test_setminsetsize);
176 ATF_TC_BODY(test_setminsetsize, tc)
178 size_t cpusetsize = 1;
185 ATF_REQUIRE(cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
186 -1, cpusetsize, (const cpuset_t *)&set) == 0);
188 ATF_REQUIRE(cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
189 -1, cpusetsize, (const cpuset_t *)&set) == -1);
190 ATF_REQUIRE_EQ(errno, EDEADLK);
193 ATF_TC_WITHOUT_HEAD(test_getminsetsize);
194 ATF_TC_BODY(test_getminsetsize, tc)
196 size_t cpusetsize = 1;
201 ATF_REQUIRE(cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
202 -1, cpusetsize, (cpuset_t *)&set) == -1);
203 ATF_REQUIRE_EQ(errno, ERANGE);
206 ATF_TC_WITHOUT_HEAD(test_getsetsize);
207 ATF_TC_BODY(test_getsetsize, tc)
212 cpusetsize = CPU_ALLOC_SIZE(maxcpuid + 1);
213 set = CPU_ALLOC(maxcpuid + 1);
214 ATF_REQUIRE(set != NULL);
215 CPU_ZERO_S(maxcpuid + 1, set);
216 ATF_REQUIRE(cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
217 -1, cpusetsize, set) == 0);
221 ATF_TC_WITHOUT_HEAD(test_holes);
222 ATF_TC_BODY(test_holes, tc)
227 cpusetsize = CPU_ALLOC_SIZE(maxcpus * 2);
228 set = CPU_ALLOC(maxcpus * 2);
229 ATF_REQUIRE(set != NULL);
230 CPU_ZERO_S(maxcpus * 2, set);
231 ATF_REQUIRE(CPU_COUNT_S(maxcpus * 2, set) == 0);
232 CPU_SET_S(maxcpuid, maxcpus * 2, set);
233 ATF_REQUIRE(CPU_COUNT_S(maxcpus * 2, set) == 1);
234 ATF_REQUIRE(cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
235 -1, cpusetsize, set) == 0);
237 CPU_ZERO_S(maxcpus * 2, set);
238 ATF_REQUIRE(CPU_COUNT_S(maxcpus * 2, set) == 0);
239 CPU_SET_S(maxcpuid + 1, maxcpus * 2, set);
240 ATF_REQUIRE(CPU_COUNT_S(maxcpus * 2, set) == 1);
241 ATF_REQUIRE(cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
242 -1, cpusetsize, set) == -1);
243 ATF_REQUIRE_EQ(errno, EINVAL);
245 ATF_REQUIRE(CPU_COUNT_S(maxcpus * 2, set) == 1);
246 ATF_REQUIRE(cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
247 -1, cpusetsize, set) == 0);
248 ATF_REQUIRE(CPU_ISSET_S(maxcpuid + 1, maxcpus * 2, set) == false);
249 ATF_REQUIRE(CPU_ISSET_S(maxcpuid, maxcpus * 2, set) == true);
250 ATF_REQUIRE_EQ(maxcpuid, (uint32_t)sched_getcpu());
256 cpus = support_getcpus();
257 maxcpus = support_getmaxcpus();
258 maxcpuid = support_getmaxcpuid();
260 ATF_TP_ADD_TC(tp, test_setinvalidcpu);
261 ATF_TP_ADD_TC(tp, test_setvalidcpu);
262 ATF_TP_ADD_TC(tp, test_setzeroset1);
263 ATF_TP_ADD_TC(tp, test_setzeroset2);
265 ATF_TP_ADD_TC(tp, test_setminsetsize);
266 ATF_TP_ADD_TC(tp, test_setmaxsetsize);
268 ATF_TP_ADD_TC(tp, test_getminsetsize);
269 ATF_TP_ADD_TC(tp, test_getsetsize);
271 ATF_TP_ADD_TC(tp, test_holes);
273 return (atf_no_error());