Guangjun-Yin

is this the information you need to check? =========== isolated_diego_cell_oneagent/262e785a-e654-44c2-ae4e-5613ba7dd89c:~# dpkg-query -l | grep -i dkms ii dkms 2.2.0.3-2ubuntu11.8 all Dynamic Kernel Module Support Framework iF lttng-modules-dkms 2.8.0-1ubuntu1~16.04.9 all Linux...

Here is the output you requested: isolated_diego_cell_oneagent/262e785a-e654-44c2-ae4e-5613ba7dd89c:~# cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=16.04 DISTRIB_CODENAME=xenial DISTRIB_DESCRIPTION="Ubuntu 16.04.7 LTS" isolated_diego_cell_oneagent/262e785a-e654-44c2-ae4e-5613ba7dd89c:~#

that you for your feedback, after removing the lttng-modules-dkms from https://github.com/microsoft/perfview/blob/main/src/perfcollect/perfcollect#L1203. the installation was still failed: ======= solated_diego_cell_oneagent/262e785a-e654-44c2-ae4e-5613ba7dd89c:~# ./perfcollect install Installing perf_event packages. Reading package lists... Done Building dependency tree...