How to use get_iosched_path method in autotest

Best Python code snippet using autotest_python Github


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...411 Given a disk name, a path to a tunable value under _TUNE_PATH and the412 new value for the parameter, set the value and verify that the value413 has been successfully set.414 """415 fpath = partition.get_iosched_path(disk, path)416 # Things might go wrong so we'll catch exceptions417 try:418 step = "open tunable path"419 tunef = open(fpath, 'w', buffering=-1)420 step = "write new tunable value"421 tunef.write(val)422 step = "close the tunable path"423 tunef.close()424 step = "read back new tunable value"425 nval = open(fpath, 'r', buffering=-1).read().strip()426 # For 'scheduler' we need to fish out the bracketed value427 if name == "scheduler":428 nval = re.match(".*\[(.*)\].*", nval).group(1)429 except IOError as info:...

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