CPU time is time spent running on a CPU. It does not include time spent waiting for I/O, sleeping, or anything else an application does between two events.
The amount of time, in seconds, that a user, group, or account has used the CPU (Central Processing Unit).
Process virtual time (see the glossary entry) plus time spent when the system is running on behalf of the process, performing such tasks as executing a system call. This is the time returned in pcsamp and usertime experiments.
actual computational time necessary to process a set of instruction in the arithmetic and logic units of the computer.
In Task Manager, the total processor time, in seconds, used by a process since it started. See also: Task Manager
CPU Time is the amount of time a computer program uses in processing on a CPU, often measured in clock ticks. It is used as a point of comparison for CPU usage of a program.