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不器用で落着きのない技術者のメモ

2018-01-10から1日間の記事一覧

vDSO gettimeofday

There is a Virtual Dynamic Shared Object (VDSO) implemented in the glibc runtime library. The VDSO maps some of the kernel code, which is necessary to read gettimeofday in the user-space. Standard Red Hat Enterprise Linux 5.5 allows the ge…