hdparm apm support is run for all the block device even when only single device is set in profile file.

[tanurag]

tuned runs hdparm apm support check for all the devices even when we want to skip other block devices by using rule: device=!sdb* This takes a long time around 1m if no. of devices are alot or there are bunch of loop devices, even If we want to run the command just for one disk.

https://github.com/redhat-performance/tuned/blob/467782fcead70fe547896f8913bd8361b1bd66cd/tuned/plugins/plugin_disk.py#L107

[mwallnoefer]

Unfortunately, the tool does not provide any support for nvme devices. There the power saving mode is enabled as follows:

echo 'auto' > /sys/block/sda/device/power/control

[yarda]

Thanks for the info, we will try to add support.