你是否也曾跟我一样,看了很多书、学了很多 Linux 性能工具,但在面对 Linux 性能问题时,还是束手无策?实际上,性能分析和优化始终是大多数软件工程师的一个痛点。但是,面对难题,我们真的就无解了吗? 固然,性能问题的复杂性增加了学习难度,但这并不能成为我们进阶路上的“拦路虎”。在我看来,大多数人对性能问题“投降”,原因可能只有两个。 一个是你没找到有效的方法学原理,一听到“系统”、“底层”这些词就发怵,觉得东西太难自己一定学不会,自然也就无法深入学下去,从而不能建立起性能的全局观。
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