Hi Dave, On 2020/7/3 22:20, Dr. David Alan Gilbert wrote: > * Keqian Zhu (zhukeqi...@huawei.com) wrote: >> real_dirty_pages becomes equal to total ram size after dirty log sync >> in ram_init_bitmaps, the reason is that the bitmap of ramblock is >> initialized to be all set, so old path counts them as "real dirty" at >> beginning. >> >> This causes wrong dirty rate and false positive throttling. >> >> Signed-off-by: Keqian Zhu <zhukeqi...@huawei.com> > > OK, > > Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com> > > and queued. > > you might still want to look at migration_trigger_thrtottle and see if > you can stop the throttling if in the RAM bulk stage. Yes, I tested it and it worked well.
Thanks, Keqian
