Uptime Command specific explanation--linux performance analysis

Basic use:

Uptime [-V]

Actual analysis:

Because the commands are simpler here, we don't introduce them specifically. But the more simple the command, the easier it is to be useful. Like before Baidu interview operation Dimension, Interview Tube asked me which command can see the system load. I immediately naturally reacted to the uptime to say, add a lot of points. Of course, the system load is not only uptime. There are also Vmstat, SAR and other CPU analysis commands, appropriate to add a bit. We'll see what this command does right now:

is not simply poor, I was still thinking about whether it is really necessary for it to write an independent blog so exaggerated (hehe). Start from the left,

08:20:56 Start-up time

Up-min Boot 22min

2 users 2 people are using

Load average:0.63,1.02,0.81 Here is the average load in 1 minutes, 5 minutes, and 15 minutes

Note: The general load average three values can not be greater than the number of CPUs, assuming that the long-term greater than the number of CPUs indicates the system is very busy load high. Occasionally greater than the words, generally do not affect the actual performance. Assuming less than that is more leisure.

Uptime Command specific explanation--linux performance analysis