虽然可以使用特定工具仅对CPU进行分析，但对于给定环境，可能要使用在系统上寻找所有可能瓶颈的工具。
While there are specific tools that you can use that analyze only the CPU, for given circumstances, you might want to use tools that look at all possible bottlenecks on your system.
这些工具能够标识延迟源，确定应用程序和操作环境中的瓶颈源。
These tools are able to identify the sources of latency and pinpoint the source of bottlenecks both internally in the application and in the operating environment.
它们可以帮助您查看WebSphere Portal环境的真实行为，并最终确定瓶颈和潜在问题。
They help you to view the true behavior of your WebSphere Portal environment and ultimately identify bottlenecks and potential problems.
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