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关于rusage的值 #70

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nlpCSir opened this issue Dec 8, 2022 · 0 comments
Open

关于rusage的值 #70

nlpCSir opened this issue Dec 8, 2022 · 0 comments

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@nlpCSir
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nlpCSir commented Dec 8, 2022

您好,最近我也在做一个oj,在获取资源的时候出现了一些问题,看到您的项目,想要请教一下您,问题如下:
1、我使用struct rusage* rus和strucet rusage rus两种方式来创建rusage,并通过rus和&rus的方式传入wait4(),获取到了不同的结果,使用指针创建时结果较为正常,但是使用您代码中的方式时,ru_stime.tv_sec出现了一个非常大的值,且ru_stime.tv_usec始终为9.
2、在获取maxrss时也出现了一些问题,您的文档中似乎提到了有一些坑并给出了链接,但是链接好像过期了。我的问题是得到的maxrss非常大,即使是运行int main(){return 0;}也有2400多(linux中maxrss的单位应该是kb),显然是错误的值。

谢谢您的帮助,希望您可以指教

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