highresolutiontimerlinux

The high-resolution timer ensures that all measurements are precise to within 1 millisecond. The high-resolution timer is used by default on the Linux™ ...

This is a Series on Linux Driver. This is the Linux Device Driver Tutorial Part 27 – Using High Resolution Timer In Linux Device Driver.

2023年9月20日 — The High Resolution Timers system allows a user space program to be wake up from a timer event with better accuracy, when using the POSIX timer ...

Per-CPU event devices are used to provide local CPU functionality such as process accounting, profiling, and high resolution timers. The management layer ...

2011年7月19日 — The highest resolution timer uses the RDTSC x86 assembly instruction. However, this measures clock ticks, so you should be sure that power ...

2023年10月1日 — ... high resolution timers. When the high resolution timers are enabled in the Linux kernel, then nanosleep, itimers and posix timers provide ...

This patch introduces a new subsystem for high-resolution kernel timers. One might ask the question: we already have a timer subsystem (kernel/timers.c), why do ...

2021年10月19日 — HRT (high-resolution timer) 的引入，除了帶來微秒(microsecond) 等級的時鐘精準度，更將Linux 核心的時間管理機制推上另一個新層次，不僅大為強化系統 ...

2020年5月28日 — 因此，Linux内核又独立设计出了一个叫高精度定时器层（High Resolution Timer）的框架，可以为我们提供纳秒级的定时精度，以满足对精确时间有迫切需求的 ...