nano seconds in second

AbstractSince the CPU speed is too fast, many people cannot see the result at all. Therefore, how can we find C in the case of niosii if we want to stop running for n seconds and then try again? IntroductionEnvironment: US us II 7.2 SP3 + niosii

The first two sections of this series discuss clock sources for timing: clocksource and some representation of kernel internal time, but for real users, we perceive the real time of the real world, that is, the so-called wall time. clocksource can

> Use rsync to synchronize data from the server. Here we only talk about one-way synchronization. First install rsync # Server ConfigurationThe server uses 'xinetd' to act as the 'rsync' daemon. If not, install> Xinetd listens to a specified port,

Gentoo installation (3)-Configuration System and gentooConfigure system information: File System Information: Create/etc/fstab nano -w /etc/fstab Network Information: Host name, Domainname, etc nano -w /etc/conf.d/hostname Grouping

I sincerely recommend you read it carefully. I believe this blog will change the world outlook of many people. 1 billion light yearsWhat is the concept of billions of light years?Light years, a year's journey. Light speed! It is a widely

How to use common commands:1.echo (printf)Echo-display a line of text Common options:-N: Do not wrap,-e: use \ Guided escape sequence to take effect; \ n: newline \ t: Horizontal tab 2.CD Change the shell working dir Ectory. Switch working

1. Linux time1.1 Linux Time System1.2. Time-related data structure in Linux 2. Obtain the current time 3. latency 4. Timer4.1. Alarm4.2. setitimer 1Linux time1.1 Linux Time SystemUNIX and Linux time systems start from epoch (the beginning of the

Problem:--------------------------------------------------------------------------------User feedback Some timing activities are opened early or postponed1) Log in to the server, check the time is really slow or fast. In short, there are several

Android memory and performance optimization Summary 1. Instant Compilation (Just-in-time Compilation, JIT), also known as Dynamic Translation (Dynamic Translation), is a way to translate bytecode into machine code at runtime, this improves the

Linux obtains the current time-general Linux technology-Linux programming and kernel information. The following is a detailed description. Recently, I have been querying about time programming in Linux: 1. Time-related struct in Linux Struct