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+graphic: 0.903
+virtual: 0.893
+device: 0.857
+semantic: 0.732
+vnc: 0.710
+network: 0.677
+PID: 0.631
+x86: 0.622
+risc-v: 0.608
+mistranslation: 0.580
+files: 0.568
+performance: 0.558
+user-level: 0.552
+socket: 0.517
+arm: 0.515
+register: 0.488
+architecture: 0.485
+i386: 0.483
+boot: 0.447
+VMM: 0.408
+debug: 0.386
+kernel: 0.380
+ppc: 0.347
+assembly: 0.282
+permissions: 0.279
+hypervisor: 0.235
+peripherals: 0.218
+TCG: 0.157
+KVM: 0.019
+
+ RFE: More info in qemu-img info/check
+
+Originally filed in Fedora bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=861375
+
+"""
+qemu-img info currently give me info like this:
+
+image: /home/alex/.local/share/gnome-boxes/images/Fedora 16
+file format: qcow2
+virtual size: 11G (11794287616 bytes)
+disk size: 4.5G
+cluster_size: 65536
+
+In order to figure out the "health" of an image there is some more information I would like:
+
+in-use disk size - I.e the subset of disk size that is not marked as unused due to e.g. TRIM operations
+
+amount of compressed clusters. I.e. "is it useful to re-compress the image".
+
+Fragmentation estimation.
+
+This would be useful to both sysadmins in general and for automated things like
+what we want to do in gnome-boxes:
+https://bugzilla.gnome.org/show_bug.cgi?id=685032
+"""
+
+As mentioned in the original report, qemu-img check currently has fragmentation stats, but only for QED.
+
+qemu-img check has reported allocated clusters, compressed clusters and fragmentation for qcow2 images since February 2013 (QEMU 1.5).
+