首先，装甲运兵车始终是所谓的背景下调用线程，第二，为了能够执行装甲运兵车，电话线已暂停在所谓的可变等待状态。

First, the APC is always called in the context of the calling thread, and second, in order to be able to execute the APCs, the calling thread has to be suspended in the so called alterable wait state.

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在性能调用图视图(图3)中，线的粗细指出应用程序沿着代码路径花费的时间。

In the Performance Call Graph view (Figure 3), the line's thickness indicates the amount of time the application spends along that code path.

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这本身并不困难，但是我发现 真的 需要打印方法信息时，首 先需要打印每一个包围方法调用的进入线。

That's not so bad in and of itself, but when I find I do need to print the method information, I first need to print the entering lines for each enclosing method call.

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