On Tue, Jun 08, 2021 at 07:49:56PM +0100, Dr. David Alan Gilbert wrote: > * Peter Xu (pet...@redhat.com) wrote: > > These two commands are missing when adding the QMP sister commands. Add > > them, > > so developers can play with them easier. > > > > Cc: Dr. David Alan Gilbert <dgilb...@redhat.com> > > Cc: Juan Quintela <quint...@redhat.com> > > Cc: Leonardo Bras Soares Passos <lsoar...@redhat.com> > > Cc: Chuan Zheng <zhengch...@huawei.com> > > Cc: huang...@chinatelecom.cn > > Signed-off-by: Peter Xu <pet...@redhat.com> > > Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com> > > > --- > > PS: I really doubt whether this is working as expected... I ran one 200MB/s > > workload inside, what I measured is 20MB/s with current algorithm... > > Sampling > > 512 pages out of 1G mem is not wise enough I guess, especially that assumes > > dirty workload is spread across the memories while it's normally not the > > case.. > > What size of address space did you dirty - was it 20MB?
IIRC it was either 200M or 500M, based on a 1G small VM. -- Peter Xu