From 0df97c8891860a2082db8b53cbc1dfc7ac73e4d1 Mon Sep 17 00:00:00 2001
From: Carlos Rodriguez-Fernandez <carlosrodrifernandez@gmail.com>
Date: Jul 08 2023 19:47:31 +0000
Subject: libbpf-tools: print output when fails


Signed-off-by: Carlos Rodriguez-Fernandez <carlosrodrifernandez@gmail.com>

---

diff --git a/tests/p_libbpf-tools/libbpf-tools_tests.sh b/tests/p_libbpf-tools/libbpf-tools_tests.sh
index 6704200..a5862d6 100755
--- a/tests/p_libbpf-tools/libbpf-tools_tests.sh
+++ b/tests/p_libbpf-tools/libbpf-tools_tests.sh
@@ -104,12 +104,16 @@ tracing_tests=(
 "bpf-wakeuptime 1"
 )
 
+output_file=$(mktemp)
+trap "rm -f ${output_file}" EXIT
+
 one_failed=0
 
 for cmd in "${version_tests[@]}"; do
   t_Log "Running $0 - libbpf-tools test: ${cmd}"
-  if ! eval "${cmd}" > /dev/null 2>&1; then
+  if ! eval "${cmd}" > ${output_file} 2>&1; then
     t_Log "FAIL: $0: libbpf-tools test: ${cmd}"
+    cat ${output_file}
     one_failed=1
   else
     t_Log "PASS: $0: libbpf-tools test: ${cmd}"
@@ -118,8 +122,9 @@ done
 
 for cmd in "${tracing_tests[@]}"; do
   t_Log "Running $0 - libbpf-tools test: ${cmd}"
-  if ! eval "${cmd}" > /dev/null 2>&1; then
+  if ! eval "${cmd}" > ${output_file} 2>&1; then
     t_Log "FAIL: $0: libbpf-tools test: ${cmd}"
+    cat ${output_file}
     one_failed=1
   else
     t_Log "PASS: $0: libbpf-tools test: ${cmd}"