Performance monitor constants describe Microsoft® Windows NT® Performance Monitor polling behavior. The Windows NT Performance Monitor can poll continuously or when directed by the user.
The polling behavior of the Windows NT Performance Monitor can be changed after the application has started successfully.
| Constant | Value | Description |
|---|---|---|
| SQLDMOPerfmon_Continuous | 0 | Configures Windows NT Performance Monitor statistics polling using the operating system default time slice |
| SQLDMOPerfmon_MaxSet | 1 | SQLDMOPerfmon_OnDemand |
| SQLDMOPerfmon_MinSet | 0 | SQLDMOPermon_Continuous |
| SQLDMOPerfmon_None | 1000 | Invalid value |
| SQLDMOPerfmon_OnDemand | 1 | Windows NT Performance Monitor polls for statistics when directed to do so by the user |