I'm trying to get \DBServer\SQLServer:Buffer Manager\Page life expectancy data through WMI. When I do this through perfmon, I get actual data. However when I try and pull this from either of these WMI classes(which I believe should be correct) it always returns 0: Win32_PerfFormattedData_MSSQLSERVER_SQLServerBufferManager Win32_PerfRawData_MSSQLSERVER_SQLServerBufferManager
Using WMIExplorer it returns 0's across all columns in both WMI classes.
The PerfLog has data:
"07/08/2010 12:02:53.986","4429"
"07/08/2010 12:03:08.989","4429"
"07/08/2010 12:03:23.991","4429"
"07/08/2010 12:03:38.994","4429"
"07/08/2010 12:03:53.996","3415"
"07/08/2010 12:04:08.999","3415"
"07/08/2010 12:04:24.001","3415"
Where else would this data be stored so that I could get it through WMI?