import time, re, logging
 
match = re.search('threshold of .*(swap|ESXHost Memory Utilization Error|ESXHost Memory Utilization Warning).* (exceeded|restored|not met): current value ([\d\.]+)', evt.message, re.I)
if match and device and component:
    consumed = float(match.groups()[2])
    total = component.totalMemory / 1024
    evt.memoryavailable = total - consumed
    evt.total = total
    if total:
        percent_consumed = (consumed / total) * 100
        percent_free = ((total - consumed) / total) * 100
        evt.summary = "High Memory Utilization: Currently %3.0f%% used (%3.0f%% free)" % (percent_consumed, percent_free)
        evt.message = evt.summary
    else:
        evt.summary = 'High Memory Utilization: Currently: %s' %(convToUnits(consumed))
        evt.message = evt.summary