On Tue, Nov 19, 2024 at 12:45:05PM +1100, Dave Chinner wrote: > Question for you: Does your $here directory contain a .git subdir? > > One of the causes of long runtime for me has been that $here might > only contain 30MB of files, but the .git subdir balloons to several > hundred MB over time, resulting is really long runtimes because it's > copying GBs of data from the .git subdir. Or the results/ directory when run in a persistent test VM like the one for quick runs on my laptop. I currently need to persistently purge that for just this test. > > I have this patch in my tree: > > --- a/tests/generic/251 > +++ b/tests/generic/251 > @@ -175,9 +175,12 @@ nproc=20 > # Copy $here to the scratch fs and make coipes of the replica. The fstests > # output (and hence $seqres.full) could be in $here, so we need to snapshot > # $here before computing file checksums. > +# > +# $here/* as the files to copy so we avoid any .git directory that might be > +# much, much larger than the rest of the fstests source tree we are copying. > content=$SCRATCH_MNT/orig > mkdir -p $content > -cp -axT $here/ $content/ > +cp -ax $here/* $content/ Maybe we just need a way to generate more predictable file system content?
