ALl the CPU clock changes when I try to update one of the CPU clock

Robotics & Edge Computing Jetson Systems Jetson Nano
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I was trying to change the clock speeds of the CPUs manually using the following command (using super user):

echo <frequency> > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed

The above command should only change the clock speed of the cpu0. But it updates the clock speeds of all other CPUs to the same clock speed.

I am following the instructions on this site: Jetson/Performance - eLinux.org

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Please refer to NVIDIA Jetson Linux Driver Package Software Features : Clock Frequency and Power Management | NVIDIA Docs

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