def DropCaches(self):
    drop_caches_command = 'sudo /sbin/sysctl vm.drop_caches=3'
    self.RemoteCommand(drop_caches_command)
:param callback: see callback_method parameter in
dataset/ETHPy150Open GoogleCloudPlatform/PerfKitBenchmarker/perfkitbenchmarker/linux_virtual_machine.py/BaseLinuxMixin.DropCaches--crossover with--dataset/ETHPy150Open pika/pika/pika/adapters/blocking_connection.py/_ConnectionBlockedUnblockedEvtBase.__init__