| /******************************************************************************/ |
| /* */ |
| /* Copyright (c) 2009 FUJITSU LIMITED */ |
| /* */ |
| /* This program is free software; you can redistribute it and/or modify */ |
| /* it under the terms of the GNU General Public License as published by */ |
| /* the Free Software Foundation; either version 2 of the License, or */ |
| /* (at your option) any later version. */ |
| /* */ |
| /* This program is distributed in the hope that it will be useful, */ |
| /* but WITHOUT ANY WARRANTY; without even the implied warranty of */ |
| /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */ |
| /* the GNU General Public License for more details. */ |
| /* */ |
| /* You should have received a copy of the GNU General Public License */ |
| /* along with this program; if not, write to the Free Software */ |
| /* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ |
| /* */ |
| /* Author: Miao Xie <miaox@cn.fujitsu.com> */ |
| /* */ |
| /******************************************************************************/ |
| |
| #include "config.h" |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/types.h> |
| #include <dirent.h> |
| #include <err.h> |
| #include <errno.h> |
| |
| #include "test.h" |
| |
| #include "../cpuset_lib/bitmask.h" |
| #include "../cpuset_lib/cpuset.h" |
| #include "../cpuset_lib/common.h" |
| #include "../cpuset_lib/cpuinfo.h" |
| |
| char *TCID = "cpuset_check_domains"; |
| int TST_TOTAL = 1; |
| |
| #ifdef HAVE_LINUX_MEMPOLICY_H |
| |
| /* |
| * check sched domains in system |
| * |
| * return 0 - sched domains is true |
| * 1 - sched domains is wrong, and print error info |
| * -1 - other error |
| */ |
| void check_sched_domains(void) |
| { |
| int i; |
| char buf1[128], buf2[128]; |
| struct bitmask *alldomains = NULL; |
| |
| /* get the bitmask's len */ |
| if (!cpus_nbits) { |
| cpus_nbits = cpuset_cpus_nbits(); |
| if (cpus_nbits <= 0) { |
| tst_resm(TFAIL, "get cpus nbits failed"); |
| return; |
| } |
| } |
| |
| if (getcpuinfo()) { |
| tst_resm(TFAIL, "getcpuinfo failed"); |
| return; |
| } |
| |
| if (partition_domains()) { |
| tst_resm(TFAIL, "partition domains failed."); |
| return; |
| } |
| |
| alldomains = bitmask_alloc(cpus_nbits); |
| if (alldomains == NULL) { |
| tst_resm(TFAIL, "alloc alldomains space failed."); |
| return; |
| } |
| |
| for (i = 0; i < ndomains; i++) { |
| unsigned int cpu; |
| bitmask_or(alldomains, alldomains, domains[i]); |
| |
| for (cpu = bitmask_first(domains[i]); |
| cpu < bitmask_nbits(domains[i]); |
| cpu = bitmask_next(domains[i], cpu + 1)) { |
| if (bitmask_weight(domains[i]) == 1) { |
| if (cpus[cpu].sched_domain != NULL) { |
| bitmask_displaylist(buf1, sizeof(buf1), |
| domains[i]); |
| bitmask_displaylist(buf2, sizeof(buf2), |
| cpus[cpu]. |
| sched_domain); |
| tst_resm(TFAIL, |
| "cpu%d's sched domain is not " |
| "NULL(Domain: %s, " |
| "CPU's Sched Domain: %s).", |
| cpu, buf1, buf2); |
| goto err; |
| } |
| break; |
| } |
| if (!bitmask_equal(domains[i], cpus[cpu].sched_domain)) { |
| bitmask_displaylist(buf1, sizeof(buf1), |
| domains[i]); |
| bitmask_displaylist(buf2, sizeof(buf2), |
| cpus[cpu].sched_domain); |
| tst_resm(TFAIL, "cpu%d's sched domain is wrong" |
| "(Domain: %s, CPU's Sched Domain: %s).", |
| cpu, buf1, buf2); |
| goto err; |
| } |
| } |
| } |
| |
| for (i = 0; i < ncpus; i++) { |
| if (bitmask_isbitset(alldomains, i)) |
| continue; |
| if (cpus[i].sched_domain) { |
| tst_resm(TFAIL, "cpu%d has redundant sched domain", i); |
| goto err; |
| } |
| } |
| |
| tst_resm(TPASS, "check_sched_domains passed"); |
| |
| err: |
| bitmask_free(alldomains); |
| } |
| |
| int main(void) |
| { |
| check_sched_domains(); |
| tst_exit(); |
| } |
| |
| #else |
| int main(void) |
| { |
| tst_brkm(TCONF, NULL, |
| "System doesn't have required mempolicy support"); |
| } |
| #endif |