Python class Perfmon

The eXtremeDB Performance Monitor is implemented in the class Perfmon which is defined as follows:

 
    class Perfmon(object):
        TotalPages  = 0
        FreePages   = 1
        UsedPages   = 2
        FileSize    = 3
        LogFileSize = 4
        UsedFileSize = 5
        CacheHitCount = 6
        CacheMissCount = 7
        CachePagesAllocated = 8
        CachePagesUSed = 9
        CachePagesPinned = 10
        CachePagesModified = 11
        CachePagesDirty = 12
        CachePagesCopied = 13
        CachePagesWriteDelayed = 14
        DiskReadTime  = 0
        DiskWriteTime = 1
        LogWriteTime  = 2
        CommitTime    = 3
        RollbackTime  = 4
        SnapshotDuration = 5
        ClusterNetSendTime = 6
        ClusterNetRecvTime = 7
         
        @staticmethod
        def init(memsize =64 << 20):
            global _eXtremeDB
            return _eXtremeDB.perfmon_init(memsize)
 
        @staticmethod
        def close():
            global _eXtremeDB
            return _eXtremeDB.perfmon_close()
 
        @staticmethod
        def attach(db):
            global _eXtremeDB
            return _eXtremeDB.perfmon_attach(db)
 
        @staticmethod
        def detach(db):
            global _eXtremeDB
            return _eXtremeDB.perfmon_detach(db)
 
        @staticmethod
        def getDbName():
            global _eXtremeDB
            return _eXtremeDB.perfmon_get_db_name()
 
        @staticmethod
        def getOptions():
            global _eXtremeDB
            return _eXtremeDB.perfmon_get_options()
 
        @staticmethod
        def setOption(option, value):
            global _eXtremeDB
            return _eXtremeDB.perfmon_set_option(option, value)