int main(int argc, char *argv[])
{
int lc;
tst_parse_opts(argc, argv, NULL, NULL);
#if __WORDSIZE == 32
tst_brkm(TCONF, NULL, "test is not designed for 32-bit system.");
#endif
setup();
for (lc = 0; TEST_LOOPING(lc); lc++) {
tst_count = 0;
tst_resm(TINFO, "OOM on CPUSET...");
testoom(0, 0, ENOMEM, 1);
if (is_numa(cleanup)) {
/*
* Under NUMA system, the migration of cpuset's memory
* is in charge of cpuset.memory_migrate, we can write
* 1 to cpuset.memory_migrate to enable the migration.
*/
write_cpuset_files(CPATH_NEW,
"memory_migrate", "1");
tst_resm(TINFO, "OOM on CPUSET with mem migrate:");
testoom(0, 0, ENOMEM, 1);
}
}
cleanup();
tst_exit();
}
int main(int argc, char *argv[])
{
char *msg;
int lc;
msg = parse_opts(argc, argv, NULL, NULL);
if (msg != NULL)
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
#if __WORDSIZE == 32
tst_brkm(TCONF, NULL, "test is not designed for 32-bit system.");
#endif
setup();
for (lc = 0; TEST_LOOPING(lc); lc++) {
Tst_count = 0;
tst_resm(TINFO, "process mempolicy.");
testoom(1, 0, 1);
tst_resm(TINFO, "process cpuset.");
testoom(0, 0, 1);
}
cleanup();
tst_exit();
}
int main(int argc, char *argv[])
{
int lc;
tst_parse_opts(argc, argv, NULL, NULL);
#if __WORDSIZE == 32
tst_brkm(TCONF, NULL, "test is not designed for 32-bit system.");
#endif
setup();
for (lc = 0; TEST_LOOPING(lc); lc++) {
tst_count = 0;
tst_resm(TINFO, "OOM on MPOL_BIND mempolicy...");
testoom(MPOL_BIND, 0, ENOMEM, 1);
tst_resm(TINFO, "OOM on MPOL_INTERLEAVE mempolicy...");
testoom(MPOL_INTERLEAVE, 0, ENOMEM, 1);
tst_resm(TINFO, "OOM on MPOL_PREFERRED mempolicy...");
testoom(MPOL_PREFERRED, 0, ENOMEM, 1);
}
cleanup();
tst_exit();
}
int main(int argc, char *argv[])
{
char *msg;
int lc;
int swap_acc_on = 1;
msg = parse_opts(argc, argv, NULL, NULL);
if (msg != NULL)
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
#if __WORDSIZE == 32
tst_brkm(TCONF, NULL, "test is not designed for 32-bit system.");
#endif
setup();
for (lc = 0; TEST_LOOPING(lc); lc++) {
tst_count = 0;
tst_resm(TINFO, "OOM on CPUSET & MEMCG...");
testoom(0, 0);
/*
* Under NUMA system, the migration of cpuset's memory
* is in charge of cpuset.memory_migrate, we can write
* 1 to cpuset.memory_migrate to enable the migration.
*/
if (is_numa(cleanup)) {
write_cpuset_files(CPATH_NEW, "memory_migrate", "1");
tst_resm(TINFO, "OOM on CPUSET & MEMCG with "
"cpuset.memory_migrate=1");
testoom(0, 0);
}
if (access(MEMCG_SW_LIMIT, F_OK) == -1) {
if (errno == ENOENT) {
tst_resm(TCONF,
"memcg swap accounting is disabled");
swap_acc_on = 0;
} else
tst_brkm(TBROK|TERRNO, cleanup, "access");
}
if (swap_acc_on) {
tst_resm(TINFO, "OOM on CPUSET & MEMCG with "
"special memswap limitation:");
SAFE_FILE_PRINTF(cleanup, MEMCG_SW_LIMIT, "%ld", TESTMEM);
testoom(0, 0);
tst_resm(TINFO, "OOM on CPUSET & MEMCG with "
"disabled memswap limitation:");
SAFE_FILE_PRINTF(cleanup, MEMCG_SW_LIMIT, "-1");
testoom(0, 0);
}
}
cleanup();
tst_exit();
}
int main(int argc, char *argv[])
{
char *msg;
int lc;
int swap_acc_on = 1;
char buf[BUFSIZ], mem[BUFSIZ];
msg = parse_opts(argc, argv, NULL, NULL);
if (msg != NULL)
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
#if __WORDSIZE == 32
tst_brkm(TCONF, NULL, "test is not designed for 32-bit system.");
#endif
setup();
for (lc = 0; TEST_LOOPING(lc); lc++) {
Tst_count = 0;
snprintf(buf, BUFSIZ, "%d", getpid());
write_file(MEMCG_PATH_NEW "/tasks", buf);
snprintf(mem, BUFSIZ, "%ld", TESTMEM);
write_file(MEMCG_PATH_NEW "/memory.limit_in_bytes", mem);
if (access(MEMCG_SW_LIMIT, F_OK) == -1) {
if (errno == ENOENT) {
tst_resm(TCONF,
"memcg swap accounting is disabled");
swap_acc_on = 0;
} else
tst_brkm(TBROK|TERRNO, cleanup, "access");
}
tst_resm(TINFO, "process mempolicy.");
testoom(1, 0, 1);
if (swap_acc_on) {
write_file(MEMCG_SW_LIMIT, mem);
testoom(1, 1, 1);
}
tst_resm(TINFO, "process cpuset.");
if (swap_acc_on)
write_file(MEMCG_SW_LIMIT, "-1");
testoom(0, 0, 1);
if (swap_acc_on) {
write_file(MEMCG_SW_LIMIT, mem);
testoom(0, 1, 1);
}
}
cleanup();
tst_exit();
}
int main(int argc, char *argv[])
{
int lc;
tst_parse_opts(argc, argv, NULL, NULL);
#if __WORDSIZE == 32
tst_brkm(TCONF, NULL, "test is not designed for 32-bit system.");
#endif
setup();
for (lc = 0; TEST_LOOPING(lc); lc++) {
tst_count = 0;
/* we expect mmap to fail before OOM is hit */
set_sys_tune("overcommit_memory", 2, 1);
oom(OVERCOMMIT, 0, ENOMEM, 0);
/* with overcommit_memory set to 0 or 1 there's no
* guarantee that mmap fails before OOM */
set_sys_tune("overcommit_memory", 0, 1);
oom(OVERCOMMIT, 0, ENOMEM, 1);
set_sys_tune("overcommit_memory", 1, 1);
testoom(0, 0, ENOMEM, 1);
}
cleanup();
tst_exit();
}
int main(int argc, char *argv[])
{
const char *msg;
int lc;
msg = parse_opts(argc, argv, NULL, NULL);
if (msg != NULL)
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
#if __WORDSIZE == 32
tst_brkm(TCONF, NULL, "test is not designed for 32-bit system.");
#endif
setup();
for (lc = 0; TEST_LOOPING(lc); lc++) {
tst_count = 0;
SAFE_FILE_PRINTF(cleanup, MEMCG_PATH_NEW "/tasks",
"%d", getpid());
SAFE_FILE_PRINTF(cleanup, MEMCG_LIMIT, "%ld", TESTMEM);
testoom(0, 0, ENOMEM, 1);
if (access(MEMCG_SW_LIMIT, F_OK) == -1) {
if (errno == ENOENT)
tst_resm(TCONF,
"memcg swap accounting is disabled");
else
tst_brkm(TBROK | TERRNO, cleanup, "access");
} else {
SAFE_FILE_PRINTF(cleanup, MEMCG_SW_LIMIT,
"%ld", TESTMEM);
testoom(0, 1, ENOMEM, 1);
}
/* OOM for MEMCG with mempolicy */
if (is_numa(cleanup)) {
tst_resm(TINFO, "OOM on MEMCG & mempolicy...");
testoom(MPOL_BIND, 0, ENOMEM, 1);
testoom(MPOL_INTERLEAVE, 0, ENOMEM, 1);
testoom(MPOL_PREFERRED, 0, ENOMEM, 1);
}
}
cleanup();
tst_exit();
}
static void verify_oom(void)
{
#if __WORDSIZE == 32
tst_brk(TCONF, "test is not designed for 32-bit system.");
#endif
tst_res(TINFO, "OOM on CPUSET...");
testoom(0, 0, ENOMEM, 1);
if (is_numa(NULL, NH_MEMS, 2)) {
/*
* Under NUMA system, the migration of cpuset's memory
* is in charge of cpuset.memory_migrate, we can write
* 1 to cpuset.memory_migrate to enable the migration.
*/
write_cpuset_files(CPATH_NEW, "memory_migrate", "1");
tst_res(TINFO, "OOM on CPUSET with mem migrate:");
testoom(0, 0, ENOMEM, 1);
}
}
int main(int argc, char *argv[])
{
char *msg;
int lc, fd;
unsigned long nnodes = 1;
char buf[BUFSIZ], mem[BUFSIZ];
if ((msg = parse_opts(argc, argv, NULL, NULL)) != NULL)
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
#if __WORDSIZE == 32
tst_brkm(TCONF, NULL, "test is not designed for 32-bit system.");
#endif
nnodes = count_numa();
if (count_numa() == 1)
tst_brkm(TCONF, NULL, "required a NUMA system.");
setup();
for (lc = 0; TEST_LOOPING(lc); lc++) {
Tst_count = 0;
fd = open(SYSFS_OVER, O_WRONLY);
if (fd == -1)
tst_brkm(TBROK|TERRNO, cleanup, "open");
if (write(fd, "1", 1) != 1)
tst_brkm(TBROK|TERRNO, cleanup, "write");
close(fd);
fd = open(MEMCG_PATH_NEW "/memory.limit_in_bytes", O_WRONLY);
if (fd == -1)
tst_brkm(TBROK|TERRNO, cleanup, "open %s", buf);
sprintf(mem, "%ld", TESTMEM);
if (write(fd, mem, strlen(mem)) != strlen(mem))
tst_brkm(TBROK|TERRNO, cleanup, "write %s", buf);
close(fd);
fd = open(MEMCG_PATH_NEW "/tasks", O_WRONLY);
if (fd == -1)
tst_brkm(TBROK|TERRNO, cleanup, "open %s", buf);
snprintf(buf, BUFSIZ, "%d", getpid());
if (write(fd, buf, strlen(buf)) != strlen(buf))
tst_brkm(TBROK|TERRNO, cleanup, "write %s", buf);
close(fd);
tst_resm(TINFO, "process mempolicy.");
testoom(1, 0, 1);
fd = open(MEMCG_PATH_NEW "/memory.memsw.limit_in_bytes",
O_WRONLY);
if (fd == -1)
tst_brkm(TBROK|TERRNO, cleanup, "open %s", buf);
if (write(fd, mem, strlen(mem)) != strlen(mem))
tst_brkm(TBROK|TERRNO, cleanup, "write %s", buf);
close(fd);
testoom(1, 1, 1);
tst_resm(TINFO, "process cpuset.");
fd = open(MEMCG_PATH_NEW "/memory.memsw.limit_in_bytes",
O_WRONLY);
if (fd == -1)
tst_brkm(TBROK|TERRNO, cleanup, "open %s", buf);
sprintf(mem, "%ld", TESTMEM);
if (write(fd, "-1", 2) != 2)
tst_brkm(TBROK|TERRNO, cleanup, "write %s", buf);
close(fd);
testoom(0, 0, 1);
fd = open(MEMCG_PATH_NEW "/memory.memsw.limit_in_bytes",
O_WRONLY);
if (fd == -1)
tst_brkm(TBROK|TERRNO, cleanup, "open %s", buf);
if (write(fd, mem, strlen(mem)) != strlen(mem))
tst_brkm(TBROK|TERRNO, cleanup, "write %s", buf);
close(fd);
testoom(0, 1, 1);
}
cleanup();
}