diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/qtest/migration/precopy-tests.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/qtest/migration/precopy-tests.c b/tests/qtest/migration/precopy-tests.c index 87b0a7e8ef..5be1cd5742 100644 --- a/tests/qtest/migration/precopy-tests.c +++ b/tests/qtest/migration/precopy-tests.c @@ -101,6 +101,35 @@ static void test_precopy_unix_dirty_ring(void) #ifdef CONFIG_RDMA +#include <sys/resource.h> + +/* + * During migration over RDMA, it will try to pin portions of guest memory, + * typically exceeding 100MB in this test, while the remainder will be + * transmitted as compressed zero pages. + * + * REQUIRED_MEMLOCK_SZ indicates the minimal mlock size in the current context. + */ +#define REQUIRED_MEMLOCK_SZ (128 << 20) /* 128MB */ + +/* check 'ulimit -l' */ +static bool mlock_check(void) +{ + uid_t uid; + struct rlimit rlim; + + uid = getuid(); + if (uid == 0) { + return true; + } + + if (getrlimit(RLIMIT_MEMLOCK, &rlim) != 0) { + return false; + } + + return rlim.rlim_cur >= REQUIRED_MEMLOCK_SZ; +} + #define RDMA_MIGRATION_HELPER "scripts/rdma-migration-helper.sh" static int new_rdma_link(char *buffer) { @@ -136,6 +165,11 @@ static void test_precopy_rdma_plain(void) { char buffer[128] = {}; + if (!mlock_check()) { + g_test_skip("'ulimit -l' is too small, require >=128M"); + return; + } + if (new_rdma_link(buffer)) { g_test_skip("No rdma link available\n" "# To enable the test:\n" |