Error installing perf on Dragonboard410c (linaro linux)

Hi,
The following problems are encountered when running the perf command in the linux system
Using dragonboard410c linaro-linux kernel
The installation process refers to
1.Linaro Releases
2. Debian Downloads for DragonBoard-410c - 96Boards (fastboot method)

I use the ubuntu20.04LTS system on the computer.
After installing according to the above URL 1, I entered ‘‘apt-get install linux-tools-$(uname -r) linux-tools-generic -y’’ on the (root) command line and it could run normally

I’ve built an image file on the computer, written the img file to the db410c by using the fastboot method, connected the db410c to the monitor through the HDMI cable.After entering the same command ‘‘apt-get install linux-tools-$(uname -r) linux-tools-generic -y’’ on the (root) command line shows the following error: (Internet, update and upgrade can be used normally on db410c)

Reading package lists… Done
Building dependency tree… Done
Reading state information… Done
E: Unable to locate package linux-tools-5.15.0-qcomlt-arm64
E: Couldn’t find any package by glob ‘linux-tools-5.15.0-qcomlt-arm64’
E: Couldn’t find any package by regex ‘linux-tools-5.15.0-qcomlt-arm64’
E: Unable to locate package linux-tools-generic

In view of the above error, how can I set perf normally on db410c?
Does anyone know how to solve it?
Thanks.

I’m not sure the packages you are trying to install exist. What guide are you following to install perf?

Whenever I have used perf on DB410C I installed it with: apt install linux-perf

This will install the latest version of perf that is available. It will have a slight mismatch compared to the kernel so you cannot launch it using the perf command but you should be able to launch it directly. Use: perf_5.10 instead.