Using WMI to Modify Settings at runtime

riverlau

于 2012-05-06 16:45:00 发布

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分类专栏： WCF 文章标签： diagnostics debugging performance windows

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本文介绍如何通过Windows Management Instrumentation (WMI)在运行时修改配置设置，例如将跟踪源级别从警告更改为信息。文章还提醒注意实时调试可能带来的性能成本，并提供了配置示例。

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http://msdn.microsoft.com/en-us/library/ms735120.aspx

http://msdn.microsoft.com/en-us/library/aa702726.aspx

Using WMI to Modify Settings (Windows Management Instrumentation)

You can use WMI to change configuration settings at runtime (by enabling the wmiProviderEnabled attribute in the configuration, as demonstrated in the previously configuration example). For example,you can use WMI within the CIM Studio to change the trace source levels from Warning to Information at runtime. You should be aware that the performance cost of live debugging in this way can be very high. For more information about using WMI, see the Using Windows Management Instrumentation for Diagnostics topic.

 <system.serviceModel>
  <diagnostics wmiProviderEnabled="true">
      <messageLogging 
           logEntireMessage="true" 
           logMalformedMessages="true"
           logMessagesAtServiceLevel="true" 
           logMessagesAtTransportLevel="true"
           maxMessagesToLog="3000" 
       />
  </diagnostics>
 </system.serviceModel>