By default, processes use all the processor cores, but sometimes it is necessary to release the 0 core, which is usually the most loaded, or assign some processes only to the second CPU, etc., in this case, taskset will help.Continue reading “Taskset – bind process to CPU cores”
Tag Archives: CPU
How to distinguish physical processor cores from virtual
I will give an example of how to distinguish between physical and virtual processor cores in Linux.Continue reading “How to distinguish physical processor cores from virtual”
Monitoring CPU usage in Zabbix
I will give an example of monitoring the use of each processor core using Zabbix.Continue reading “Monitoring CPU usage in Zabbix”
Changing CPU Scaling Governor on Linux
Through “Scaling Governor”, you can choose the optimal CPU frequency control scheme, which affects power consumption and performance.
On highly loaded access servers, acquaintances had cases of server hangup during “ondemand”, although I did not have such cases, but still I recommend changing it to “performance”.
On laptops and lightly loaded servers, you can leave “ondemand” to save energy.
Changing the processor core frequency in Linux
To see the minimum, current and maximum frequency of the processor cores, execute the command:Continue reading “Changing the processor core frequency in Linux”