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-rwxr-xr-xtools/testing/selftests/lkdtm/run.sh10
1 files changed, 9 insertions, 1 deletions
diff --git a/tools/testing/selftests/lkdtm/run.sh b/tools/testing/selftests/lkdtm/run.sh
index e95e79bd3126..95e904959207 100755
--- a/tools/testing/selftests/lkdtm/run.sh
+++ b/tools/testing/selftests/lkdtm/run.sh
@@ -56,8 +56,14 @@ if echo "$test" | grep -q '^#' ; then
fi
# If no expected output given, assume an Oops with back trace is success.
+repeat=1
if [ -z "$expect" ]; then
expect="call trace:"
+else
+ if echo "$expect" | grep -q '^repeat:' ; then
+ repeat=$(echo "$expect" | cut -d' ' -f1 | cut -d: -f2)
+ expect=$(echo "$expect" | cut -d' ' -f2-)
+ fi
fi
# Prepare log for report checking
@@ -83,7 +89,9 @@ dmesg > "$DMESG"
# the signal that killed the subprocess, we must ignore the failure and
# continue. However we don't silence stderr since there might be other
# useful details reported there in the case of other unexpected conditions.
-echo "$test" | cat >"$TRIGGER" || true
+for i in $(seq 1 $repeat); do
+ echo "$test" | cat >"$TRIGGER" || true
+done
# Record and dump the results
dmesg | comm --nocheck-order -13 "$DMESG" - > "$LOG" || true