On Fri, Jan 10, 2020 at 10:03:57AM -0500, Josef Bacik wrote: > On 1/9/20 11:28 AM, Marc MERLIN wrote: > > Howdy, > > > > I have 6 btrfs pools on my laptop on 3 different SSDs. > > After a few years, one of them is now very slow to scrub > > and hands my laptop while it runs. > > This started under 5.3.8, but upgrading to 5.4.8 didn't fix it. > > What the hell kind of laptop are you running that has 3 different SSDs? > That thing has got to weight a ton. Eheh :) Thinkpad P70, one M2 drive (room for one mor) and 2x 2.5" SSDs > Can you run the bcc tool offcputime > > https://github.com/iovisor/bcc/blob/master/tools/offcputime.py > > while scrub is running to get a few stack traces of where we're spending all > of our time? It'll help narrow down who is to blame. Thanks, Will do and report back, thanks. Marc -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Home page: http://marc.merlins.org/ | PGP 7F55D5F27AAF9D08
