how to install linux perf through deb file

apt-get download linux-tools-5.4.0-65-generic

dpkg -i linux-tools-5.4.0-65-generic_5.4.0-65.73_arm64.deb

or

ar x linux-tools-5.4.0-65-generic_5.4.0-65.73_arm64.deb
tar xf data.tar.xz

if dpkg is not installed

apt-get download dpkg/focal-updates
ar x dpkg/focal-updates
tar -xvf data.tar.xz -C /

how to download all dependency of a package

apt-get download $(apt-rdepends linux-tools-5.4.0-65-generic | grep -v "^ " | sort -u)