You can see that approximately no time is spent executing code in user space, so gprof will not really be useful here.

我们可以看出几乎没有多少时间被花费在执行用户空间的代码上，因此gprof在此处不会非常有用。

youdao

Little did I know 30 years later, as an embedded firmware engineer, I would still spend much of my time trying to squeeze more code and data into a smaller address space.

没想到30年后，作为嵌入式固件工程师，我还一直花费大量的时间试图将更多的代码和数据挤入较小的地址空间。

youdao

This saves disk space and makes it more likely that you correctly spell the [role] in code, which invariably becomes necessary over time.

这将节省磁盘空间，而且便于您正确拼写代码中的[role]，随着时间的推移，这将成为必需的。

youdao