Add test to check that access-counter based page migration is disabled

checks/system/slurm/slurm.py

@@ -13,7 +13,7 @@
 import reframe.utility.osext as osext
 import reframe.utility.sanity as sn
 
-sys.path.append(str(pathlib.Path(__file__).parent / 'mixins'))
+sys.path.append(str(pathlib.Path(__file__).parent.parent.parent / 'mixins'))
 from uenv_slurm_mpi_options import UenvSlurmMpiOptionsMixin  # noqa: E402
 
 
@@ -550,6 +550,26 @@ def validate(self):
         return sn.assert_not_found(r'\bisolcpus=', self.stdout)
 
 
+@rfm.simple_test
+class SlurmNoUvmPerfAccessCounterMigration(rfm.RunOnlyRegressionTest):
+    valid_systems = ['+remote +scontrol']
+    valid_prog_environs = ['builtin']
+    maintainers = ['msimberg', 'SSA']
+    descr = '''
+    Check that uvm_perf_access_counter_migration_enable is 0 as it's buggy in
+    older drivers.
+    '''
+    time_limit = '1m'
+    num_tasks_per_node = 1
+    sourcesdir = None
+    executable = 'cat /sys/module/nvidia_uvm/parameters/uvm_perf_access_counter_mimc_migration_enable'
+    tags = {'production', 'maintenance', 'slurm'}
+
+    @sanity_function
+    def validate(self):
+        return sn.assert_found(r'0', self.stdout)
+
+
 @rfm.simple_test
 class SlurmGPUGresTest(SlurmSimpleBaseCheck):
     descr = '''