atop

Advanced system and process monitor for Linux using process events

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Advanced system and process monitor for Linux using process events

atopatopsar

Start real-time system and process monitoring$ atop

Monitor specific process by name with 2-second intervals$ atop -p <pid>

Generate system activity report from logfile for yesterday$ atopsar -r /var/log/atop/atop_$(date -d yesterday +%Y%m%d)