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动态追踪（Dynamic Tracing）技术漫谈 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...wait 这样的系统调用），某些阻塞的 I/O 操作（例如 open、read 之类），还可以分析进程或线程之间争用 CPU 的问题。通过 off-CPU 火焰图，都一目了然。
应该说 off-CPU 火焰图也算是我自己的一个大胆尝试。记得最初我在加州和内华...
What is a NullReferenceException, and how do I fix it?
...ach page of memory has flags set on it which determine how it may be used: read from, written to, executed, and so on. The lowest page is marked as "produce an error if ever used in any way".
Both a null pointer and a null reference in C# are internally represented as the number zero, and so any at...