A context switch is described as the kernel suspending execution of one process on the CPU and resuming execution of some other process that had previously been suspended. A context switch is required for every interrupt and every task that the scheduler picks. ... Verify the CPU, memory and network usage during this time.

Where is context switch in Linux?

Now how to check the total number of context switches on your system. This can be done by running vmstat command with 1 second interval as shown below. The cs column shown in the vmstat output shows you the total number of context switches per second.

What causes context switches?

The most common reasons for a context switch are: The time slice has elapsed. A thread with a higher priority has become ready to run. A running thread needs to wait.