How to Get Number of Physical Core:
# grep “cpu cores” /proc/cpuinfo |sort -u |cut -d”:” -f2 | awk ‘{s+=$1} END {print s}’
To Get the Number of CPU Core:
# nproc
# cat /proc/cpuinfo| grep processor| wc -l
# grep -c processor /proc/cpuinfo
lscpu gathers CPU architecture information form /proc/cpuinfon in human-read-able format
# lscpu
The /proc/cpuinfo and sysfs stores info about your CPU architecture ike number of CPUs, threads, cores, sockets, NUMA nodes, information about CPU caches, CPU family, model, bogoMIPS, yte order and much more:
# less /proc/cpuinfo
Count the number of Physical processor(s): # grep "physical id" /proc/cpuinfo | sort -u | wc -l
Count the number of Physical cores per CPU: # grep "cpu cores" /proc/cpuinfo |sort -u |cut -d":" -f2
To Get the CPU Usage Information:
# sar -P ALL 1 3
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