Watch IO per process linux
Accumulated disk read/write per process (requires root)
iotop -ao
more linux
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System activity report
sar -u -r -d 1 5
Trace system calls of a process
strace -f -e trace=network,file -p <pid>
CPU performance counters
perf stat -e cycles,instructions,cache-misses -- sleep 5
Show CPU info
lscpu | grep -E 'Model|Socket|Core|Thread|MHz'
Show memory slots (DIMM)
dmidecode -t memory | grep -E 'Size|Speed|Locator|Type:'