diff --git a/tests/long-pattern-perf b/tests/long-pattern-perf

index c222c02..90d9738 100755

--- a/tests/long-pattern-perf

+++ b/tests/long-pattern-perf

@@ -30,9 +30,14 @@ seq 10000 100000 | tr -d '\012' > re-10x || framework_failure_

 base_ms=$(user_time_ 1 grep -f re in    ) || fail=1

 b10x_ms=$(user_time_ 1 grep -f re-10x in) || fail=1

+echo "base_ms: $base_ms"

+echo "b10x_ms: $b10x_ms"

+

 # Increasing the length of the regular expression by a factor

 # of 10 should cause no more than a 10x increase in duration.

 # However, we'll draw the line at 20x to avoid false-positives.

 expr $base_ms '<' $b10x_ms / 20 && fail=1

+echo "expr: `expr $b10x_ms / 20`"

+echo "expr_full: `expr $b10x_ms / 20`"

 Exit $fail