diff --git a/tests/p_sysstat/20-pidstat-basic.sh b/tests/p_sysstat/20-pidstat-basic.sh
index 07da167..00b13a5 100755
--- a/tests/p_sysstat/20-pidstat-basic.sh
+++ b/tests/p_sysstat/20-pidstat-basic.sh
@@ -3,5 +3,10 @@
 
 t_Log "Running $0 - pidstat test"
 
-pidstat 1 1 > /dev/null 2>&1
-t_CheckExitStatus $?
+output_file=$(mktemp)
+trap "rm -f ${output_file}" EXIT
+
+if ! pidstat 1 1 > ${output_file} 2>&1; then
+  cat ${output_file}
+  exit 1
+fi
diff --git a/tests/p_sysstat/25-sa-tests.sh b/tests/p_sysstat/25-sa-tests.sh
index c93102d..87bae44 100755
--- a/tests/p_sysstat/25-sa-tests.sh
+++ b/tests/p_sysstat/25-sa-tests.sh
@@ -11,10 +11,14 @@ tests_in_order=(
     "/usr/lib64/sa/sa2 -A"
 )
 
+output_file=$(mktemp)
+trap "rm -f ${output_file}" EXIT
+
 for cmd in "${tests_in_order[@]}"; do
   t_Log "Running $0 - sa test: ${cmd}"
-  if ! eval "${cmd}" > /dev/null 2>&1; then
+  if ! eval "${cmd}" > ${output_file} 2>&1; then
     t_Log "FAIL: $0: sa test: ${cmd}"
+    cat ${output_file}
     exit 1
   else
     t_Log "PASS: $0: sa test: ${cmd}"