iotop

To monitor disk I/O usage per process, you can use an interactive tool that displays real-time read and write activity broken down by individual processes to pinpoint high disk utilization.

Troubleshooting high disk activity involves using a process monitoring tool to identify specific applications causing high disk utilization, supporting batch mode and filtering by PID or user to isolate runaway processes.

Yes, you can filter process monitoring results by PID or user when diagnosing storage performance issues, allowing you to isolate specific applications and accumulate I/O totals for targeted troubleshooting.

Linux disk I/O monitoring supports batch mode for automated performance troubleshooting, enabling you to log process read and write activity continuously without interactive display overhead.

You need root privileges to check disk I/O usage per process because accessing detailed kernel-level storage performance metrics and reading per-process I/O accounting data requires elevated system permissions.

You should use a dedicated disk I/O monitoring tool instead of general process monitoring when diagnosing storage performance bottlenecks and you need to see real-time disk read and write activity specifically attributed to individual processes.