How to use the `top` command to check memory usage in Linux. In Linux
top command displays all the currently running processes in the system. This command displays the list of processes and thread currently being handled by the kernel. The top command can also be used to monitor the total amount of memory usage.
Thread-mode operation. Displays individual thread that are currently in the system. Without this command option, a summation of all thread in each process is displayed.
top -H
Tracing memory usage in Linux
Memory is a critical resource in computing because its usage affects the performance and stability of a system. It’s necessary to trace the memory usage of the system in order to determine the program that consumes all CPU resources or the program that is responsible for slowing down the activities of the CPU.
Tracing memory usage also becomes necessary to determine the load on the server. Parsing the usage data enables the servers to be able to balance the load and serve the user’s request without slowing down the system. In Linux, there are several ways to trace memory usage, and we are going to discuss them.