We can’t possibly explain system load or system performance without shedding light on the impact of the number of CPU cores on performance. Understanding System Average Load in Relation Number of CPUs On desktop machines, there are graphical user interface tools that we can use to view system load averages. To monitor load averages in graph format, check out: ttyload – Shows a Color-coded Graph of Linux Load Average in Terminal The load averages shown by these tools is read /proc/loadavg file, which you can view using the cat command as below: $ cat /proc/loadavg Ram10 0 0 2.9 0.8 409M 66.7M 6240 tecmint 0 S 2:40.44 0 0 /usr/lib/Headset/Headset -type=gpu-process -no-sandbox -supports-dual-gpus=false -gpu-driver-bug-workarounds=7,2 Lo 2Kb 2Kb CPU% MEM% VIRT RES PID USER NI S TIME+ IOR/s IOW/s Command NETWORK Rx/s Tx/s TASKS 253 (883 thr), 1 run, 252 slp, 0 oth sorted automatically by cpu_percent, flat view Glances – Linux System Monitoring Tool TecMint (LinuxMint 18 64bit / Linux 4.4.0-21-generic) Uptime: 2:16:06ĬPU 16.4% nice: 0.1% LOAD 4-core MEM 60.5% active: 4.90G SWAP 0.1% Tasks: 243 total, 1 running, 242 sleeping, 0 stopped, 0 zombie There are numerous ways of monitoring system load average including uptime which shows how long the system has been running, number of users together with load averages: $ uptimeĠ7:13:53 up 8 days, 19 min, 1 user, load average: 1.98, 2.15, 2.21ĭisplay Running Linux Processes top - 12:51:42 up 2:11, 1 user, load average: 1.22, 1.12, 1.26 ![]() But this is not the case with Linux, it includes processes in uninterruptible sleep states those waiting for other system resources like disk I/O etc.
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