torture: Save "make allmodconfig" .config file

Currently, torture.sh saves only the build output and exit code from the
"make allmodconfig" test.  This commit also saves the .config file.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

diff --git a/tools/testing/selftests/rcutorture/bin/torture.sh b/tools/testing/selftests/rcutorture/bin/torture.sh
index e84db82..c5b3ded 100755 (executable)
--- a/tools/testing/selftests/rcutorture/bin/torture.sh
+++ b/tools/testing/selftests/rcutorture/bin/torture.sh
@@ -322,6 +322,7 @@ then
        echo " --- make clean" > "$amcdir/Make.out" 2>&1
        make -j$MAKE_ALLOTED_CPUS clean >> "$amcdir/Make.out" 2>&1
        echo " --- make allmodconfig" >> "$amcdir/Make.out" 2>&1
+       cp .config $amcdir
        make -j$MAKE_ALLOTED_CPUS allmodconfig >> "$amcdir/Make.out" 2>&1
        echo " --- make " >> "$amcdir/Make.out" 2>&1
        make -j$MAKE_ALLOTED_CPUS >> "$amcdir/Make.out" 2>&1