On Thu, Feb 11, 2021 at 09:00:45AM -0500, Brian Foster wrote: > On Tue, Feb 09, 2021 at 06:56:47PM -0800, Darrick J. Wong wrote: > > From: Darrick J. Wong <djwong@xxxxxxxxxx> > > > > Introduce a new --exact-order switch to disable all sorting, filtering > > of repeated lines, and shuffling of test order. The goal of this is to > > be able to run tests in a specific order, namely to try to reproduce > > test failures that could be the result of a -r(andomize) run getting > > lucky. > > > > Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx> > > --- > > check | 36 ++++++++++++++++++++++++++++-------- > > 1 file changed, 28 insertions(+), 8 deletions(-) > > > > > > diff --git a/check b/check > > index 6f8db858..106ec8e1 100755 > > --- a/check > > +++ b/check > ... > > @@ -249,17 +251,22 @@ _prepare_test_list() > > trim_test_list $list > > done > > > > - # sort the list of tests into numeric order > > - if $randomize; then > > - if type shuf >& /dev/null; then > > - sorter="shuf" > > + # sort the list of tests into numeric order unless we're running tests > > + # in the exact order specified > > + if ! $exact_order; then > > + if $randomize; then > > + if type shuf >& /dev/null; then > > + sorter="shuf" > > + else > > + sorter="awk -v seed=$RANDOM -f randomize.awk" > > + fi > > else > > - sorter="awk -v seed=$RANDOM -f randomize.awk" > > + sorter="cat" > > fi > > + list=`sort -n $tmp.list | uniq | $sorter` > > else > > - sorter="cat" > > + list=`cat $tmp.list` > > Do we want to still filter out duplicates (i.e. uniq) in exact order > mode? LGTM either way: I figure --exact-order means to run exactly what the user specified, duplicates and all. --D > > Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx> > > > fi > > - list=`sort -n $tmp.list | uniq | $sorter` > > rm -f $tmp.list > > } > > > > @@ -304,7 +311,20 @@ while [ $# -gt 0 ]; do > > -udiff) diff="$diff -u" ;; > > > > -n) showme=true ;; > > - -r) randomize=true ;; > > + -r) > > + if $exact_order; then > > + echo "Cannot specify -r and --exact-order." > > + exit 1 > > + fi > > + randomize=true > > + ;; > > + --exact-order) > > + if $randomize; then > > + echo "Cannnot specify --exact-order and -r." > > + exit 1 > > + fi > > + exact_order=true > > + ;; > > -i) iterations=$2; shift ;; > > -T) timestamp=true ;; > > -d) DUMP_OUTPUT=true ;; > > >