On Sun, Aug 27, 2017 at 11:30:33PM +0200, Tomáš Golembiovský wrote: > Hi, I have CCed the relevant mailing lists and people most recently involved in virtio-balloon discussions. Hopefully this will help get the right people to see your questions. > We'd like to include information about reclaimable memory into the > statistics in VirtiO Balloon driver. Namely, we'd like to include > counters for bufferes and caches of Linux kernel. The patch itself is > pretty trivial -- no problem there. But before we do that I'd like to > get some input from the QEMU community. > > 1) Is there any reason not to have the stats there? > > 2) Considering the balloon device is multiplatform (Linux, BSD, > Windows), is there a problem with including buffers/caches? These seem > to be specific to the Linux virtual memory subsystem. Of course, other > OSes could just report zeros. Are there some internal stats on those > OSes that could be filled in? I don't now if such or similar statistic > are available on BSD. On Windows only SystemCache stat looks like > something relevant. Anyone familiar with those OSes has any suggestions? > > Tomas > > -- > Tomáš Golembiovský <tgolembi@xxxxxxxxxx> >