https://forum.proxmox.com/threads/high-cpu-load-for-windows-10-guests-when-idle.44531/
if somebody can test with editing
/usr/share/perl5/PVE/QemuServer.pm
if ($winversion >= 7) {
push @$cpuFlags , ‚hv_relaxed‘;
}
to
if ($winversion >= 7) {
push @$cpuFlags , ‚hv_relaxed‘;
push @$cpuFlags , ‚hv_synic‘;
push @$cpuFlags , ‚hv_stimer‘;
}
then
systemctl reload pvedaemon
and stop/start the vm, to see if it’s reduce cpu.