schedctlbuild: Add build script for schedctl

Signed-off-by: Mel Gorman <mgorman@suse.de>
kvm: Stage 1 support

This is not usable yet, it's just the minimum requirements to turn on a
virtual machine.

Signed-off-by: Mel Gorman <mgorman@suse.de>
Factor out latency table and graph generation

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Factor out latency output parsing into common module

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Add sync-latency monitor

Add monitor to watch for sync latency and report it.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Add test that measures interference from parallel sync

Signed-off-by: Mel Gorman <mgorman@suse.de>