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使用perf内核性能分析工具,可以分析出很多问题。具体参考perf命令的用法。
还有oprofile可以分析性能。mpstat查看cpu的使用分布。strace查看系统调用情况。参考:http://blog.csdn.net/win_lin/article/details/9377209
Winlin 2014.6
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