Tag: software interrupt

Different CPU times – Unix/Linux ‘top’

The article explores CPU consumption metrics in Unix/Linux systems, detailing eight metrics: User CPU time, System CPU time, nice CPU time, Idle CPU time, Waiting CPU time, Hardware Interrupt CPU time, Software Interrupt CPU time, and Stolen CPU time. Each metric highlights the CPU's time allocation for various processes, providing essential insights for performance optimization.

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Software Interrupt time – ‘si’ time in top

The article discusses Software Interrupt CPU time in Unix/Linux systems, detailing its definition and occurrence based on exceptional software conditions and deferred hardware interrupts. It describes methods to find this time using tools like yCrash and the 'top' command. Solutions for high software interrupt times include rebooting and code optimization.

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