diff --git a/tests/zfs-tests/tests/perf/regression/random_reads.ksh b/tests/zfs-tests/tests/perf/regression/random_reads.ksh
index 0e9187f6d..2203d649c 100755
--- a/tests/zfs-tests/tests/perf/regression/random_reads.ksh
+++ b/tests/zfs-tests/tests/perf/regression/random_reads.ksh
@@ -31,9 +31,15 @@
 
 function cleanup
 {
-	log_must $ZFS destroy $TESTFS
+	# kill fio and iostat
+	$PKILL ${FIO##*/}
+	$PKILL ${IOSTAT##*/}
+	log_must_busy $ZFS destroy $TESTFS
+	log_must_busy $ZPOOL destroy $PERFPOOL
 }
 
+trap "log_fail \"Measure IO stats during random read load\"" SIGTERM
+
 log_assert "Measure IO stats during random read load"
 log_onexit cleanup
 
diff --git a/tests/zfs-tests/tests/perf/regression/random_readwrite.ksh b/tests/zfs-tests/tests/perf/regression/random_readwrite.ksh
index c360cd5b7..50bf2b08e 100755
--- a/tests/zfs-tests/tests/perf/regression/random_readwrite.ksh
+++ b/tests/zfs-tests/tests/perf/regression/random_readwrite.ksh
@@ -31,9 +31,15 @@
 
 function cleanup
 {
-	log_must $ZFS destroy $TESTFS
+	# kill fio and iostat
+	$PKILL ${FIO##*/}
+	$PKILL ${IOSTAT##*/}
+	log_must_busy $ZFS destroy $TESTFS
+	log_must_busy $ZPOOL destroy $PERFPOOL
 }
 
+trap "log_fail \"Measure IO stats during random read load\"" SIGTERM
+
 log_assert "Measure IO stats during random read-write load"
 log_onexit cleanup
 
diff --git a/tests/zfs-tests/tests/perf/regression/random_writes.ksh b/tests/zfs-tests/tests/perf/regression/random_writes.ksh
index 3e5d0f59e..186232e19 100755
--- a/tests/zfs-tests/tests/perf/regression/random_writes.ksh
+++ b/tests/zfs-tests/tests/perf/regression/random_writes.ksh
@@ -30,9 +30,15 @@
 
 function cleanup
 {
-	log_must $ZFS destroy $TESTFS
+	# kill fio and iostat
+	$PKILL ${FIO##*/}
+	$PKILL ${IOSTAT##*/}
+	log_must_busy $ZFS destroy $TESTFS
+	log_must_busy $ZPOOL destroy $PERFPOOL
 }
 
+trap "log_fail \"Measure IO stats during random read load\"" SIGTERM
+
 log_assert "Measure IO stats during random write load"
 log_onexit cleanup
 
diff --git a/tests/zfs-tests/tests/perf/regression/sequential_reads.ksh b/tests/zfs-tests/tests/perf/regression/sequential_reads.ksh
index 75680e089..52c9631d1 100755
--- a/tests/zfs-tests/tests/perf/regression/sequential_reads.ksh
+++ b/tests/zfs-tests/tests/perf/regression/sequential_reads.ksh
@@ -31,9 +31,15 @@
 
 function cleanup
 {
-	log_must $ZFS destroy $TESTFS
+	# kill fio and iostat
+	$PKILL ${FIO##*/}
+	$PKILL ${IOSTAT##*/}
+	log_must_busy $ZFS destroy $TESTFS
+	log_must_busy $ZPOOL destroy $PERFPOOL
 }
 
+trap "log_fail \"Measure IO stats during random read load\"" SIGTERM
+
 log_assert "Measure IO stats during sequential read load"
 log_onexit cleanup
 
diff --git a/tests/zfs-tests/tests/perf/regression/sequential_reads_cached.ksh b/tests/zfs-tests/tests/perf/regression/sequential_reads_cached.ksh
index 54a4d4ac8..9dfbe0663 100755
--- a/tests/zfs-tests/tests/perf/regression/sequential_reads_cached.ksh
+++ b/tests/zfs-tests/tests/perf/regression/sequential_reads_cached.ksh
@@ -30,9 +30,15 @@
 
 function cleanup
 {
-	log_must $ZFS destroy $TESTFS
+	# kill fio and iostat
+	$PKILL ${FIO##*/}
+	$PKILL ${IOSTAT##*/}
+	log_must_busy $ZFS destroy $TESTFS
+	log_must_busy $ZPOOL destroy $PERFPOOL
 }
 
+trap "log_fail \"Measure IO stats during random read load\"" SIGTERM
+
 log_assert "Measure IO stats during sequential read load"
 log_onexit cleanup
 
diff --git a/tests/zfs-tests/tests/perf/regression/sequential_reads_cached_clone.ksh b/tests/zfs-tests/tests/perf/regression/sequential_reads_cached_clone.ksh
index bbc053abc..6b147f0f2 100755
--- a/tests/zfs-tests/tests/perf/regression/sequential_reads_cached_clone.ksh
+++ b/tests/zfs-tests/tests/perf/regression/sequential_reads_cached_clone.ksh
@@ -36,9 +36,15 @@
 
 function cleanup
 {
-	log_must $ZFS destroy $TESTFS
+	# kill fio and iostat
+	$PKILL ${FIO##*/}
+	$PKILL ${IOSTAT##*/}
+	log_must_busy $ZFS destroy $TESTFS
+	log_must_busy $ZPOOL destroy $PERFPOOL
 }
 
+trap "log_fail \"Measure IO stats during random read load\"" SIGTERM
+
 log_assert "Measure IO stats during sequential read load"
 log_onexit cleanup
 
diff --git a/tests/zfs-tests/tests/perf/regression/sequential_writes.ksh b/tests/zfs-tests/tests/perf/regression/sequential_writes.ksh
index 7865afa20..905723e5a 100755
--- a/tests/zfs-tests/tests/perf/regression/sequential_writes.ksh
+++ b/tests/zfs-tests/tests/perf/regression/sequential_writes.ksh
@@ -33,9 +33,15 @@ log_onexit cleanup
 
 function cleanup
 {
-	log_must $ZFS destroy $TESTFS
+	# kill fio and iostat
+	$PKILL ${FIO##*/}
+	$PKILL ${IOSTAT##*/}
+	log_must_busy $ZFS destroy $TESTFS
+	log_must_busy $ZPOOL destroy $PERFPOOL
 }
 
+trap "log_fail \"Measure IO stats during random read load\"" SIGTERM
+
 export TESTFS=$PERFPOOL/testfs
 recreate_perfpool
 log_must $ZFS create $PERF_FS_OPTS $TESTFS