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Chapter 22. Performance Monitoring, Logs... > Configuring Logs and Setting Alerts

Configuring Logs and Setting Alerts

The Performance Logs and Alerts tool, also a part of the Performance snap-in, provides a more sophisticated way to monitor performance than adding counters to System Monitor and watching a graph. Performance Logs and Alerts provides the following three basic services:

  • You can create a counter log that logs the performance of specified counters over time. A counter log measures data in much the same way as System Monitor but logs the data to a comma or tab-separated value file instead of displaying it. The log file can be opened later in System Monitor to view a graph of performance or to be imported into a program like Excel or Access.

  • You can create a trace log that records detailed system and application events to a log file when certain performance events occur. This differs from counter logs in that performance is not measured at regular intervals but only in response to events. The data is measured from start to finish, rather than sampled in the manner of System Monitor. The built-in Windows kernel trace data provider supports tracing system data; if other data providers are available, developers can configure logs with those providers as appropriate. A parsing tool is required to interpret the trace log output.

  • You can create alerts that send messages or trigger other events when they detect that a specified performance threshold has been crossed.


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