W2003 – Trace Logs

Informações sobre “Trace Logs”, componente do “Performance Logs and Alerts” no Windows XP, 2000 e 2003.
Trace logs collect event traces that measure performance statistics associated with events such as disk and file I/O, page faults, or thread activity. When the event occurs, a data provider designed to track these events sends the data to the Performance Logs and Alerts service. The data is measured from start to finish, rather than sampled in the manner of System Monitor. The built-in Windows 2000 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. Developers can create such a tool using APIs provided in the Platform Software Development Kit.
Create trace logs. Using the default Windows Server 2003 family data provider or another application provider, trace logs record detailed system application events when certain activities, such as a disk I/O operation or a page fault, occurs. When the event occurs, your operating system logs the system data to a file specified by the Performance Logs and Alerts service. This differs from the operation of counter logs; when counter logs are in use, the service obtains data from the system when the update interval has elapsed, rather than waiting for a specific event. A parsing tool is required to interpret the trace log output. Developers can create such a tool using application programming interfaces (APIs) provided in the MSDN Library on the Microsoft Web site.

• You can also produce trace analysis reports from trace log output files using the Tracerpt tool. Use this tool to process kernel, Active Directory, and other transactional based trace event logs, and to generate trace analysis reports and .csv files from binary logs.

• Define a program that runs when a log is stopped.

• If you want to export log data to Microsoft Excel, the Performance Logs and Alerts service must be stopped because Microsoft Excel requires exclusive access to the log file. Most other programs are not known to require this exclusive access; therefore, in general you can work with data from a log file while the service is collecting data to that file.

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