4 files changed, 40 insertions, 0 deletions
diff --git a/tools/perf/lib/tests/test-cpumap.c b/tools/perf/lib/tests/test-cpumap.c
index 76a43cfb83a1..aa34c20df07e 100644
--- a/tools/perf/lib/tests/test-cpumap.c
+++ b/tools/perf/lib/tests/test-cpumap.c
@@ -1,13 +1,23 @@
 // SPDX-License-Identifier: GPL-2.0
+#include <stdarg.h>
+#include <stdio.h>
 #include <perf/cpumap.h>
 #include <internal/tests.h>
 
+static int libperf_print(enum libperf_print_level level,
+			 const char *fmt, va_list ap)
+{
+	return vfprintf(stderr, fmt, ap);
+}
+
 int main(int argc, char **argv)
 {
 	struct perf_cpu_map *cpus;
 
 	__T_START;
 
+	libperf_init(libperf_print);
+
 	cpus = perf_cpu_map__dummy_new();
 	if (!cpus)
 		return -1;
diff --git a/tools/perf/lib/tests/test-evlist.c b/tools/perf/lib/tests/test-evlist.c
index 4e1407f20ffd..e6b2ab2e2bde 100644
--- a/tools/perf/lib/tests/test-evlist.c
+++ b/tools/perf/lib/tests/test-evlist.c
@@ -1,4 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
+#include <stdio.h>
+#include <stdarg.h>
 #include <linux/perf_event.h>
 #include <perf/cpumap.h>
 #include <perf/threadmap.h>
@@ -6,6 +8,12 @@
 #include <perf/evsel.h>
 #include <internal/tests.h>
 
+static int libperf_print(enum libperf_print_level level,
+			 const char *fmt, va_list ap)
+{
+	return vfprintf(stderr, fmt, ap);
+}
+
 static int test_stat_cpu(void)
 {
 	struct perf_cpu_map *cpus;
@@ -177,6 +185,8 @@ int main(int argc, char **argv)
 {
 	__T_START;
 
+	libperf_init(libperf_print);
+
 	test_stat_cpu();
 	test_stat_thread();
 	test_stat_thread_enable();
diff --git a/tools/perf/lib/tests/test-evsel.c b/tools/perf/lib/tests/test-evsel.c
index 2c648fe5617e..1b6c4285ac2b 100644
--- a/tools/perf/lib/tests/test-evsel.c
+++ b/tools/perf/lib/tests/test-evsel.c
@@ -1,10 +1,18 @@
 // SPDX-License-Identifier: GPL-2.0
+#include <stdarg.h>
+#include <stdio.h>
 #include <linux/perf_event.h>
 #include <perf/cpumap.h>
 #include <perf/threadmap.h>
 #include <perf/evsel.h>
 #include <internal/tests.h>
 
+static int libperf_print(enum libperf_print_level level,
+			 const char *fmt, va_list ap)
+{
+	return vfprintf(stderr, fmt, ap);
+}
+
 static int test_stat_cpu(void)
 {
 	struct perf_cpu_map *cpus;
@@ -116,6 +124,8 @@ int main(int argc, char **argv)
 {
 	__T_START;
 
+	libperf_init(libperf_print);
+
 	test_stat_cpu();
 	test_stat_thread();
 	test_stat_thread_enable();
diff --git a/tools/perf/lib/tests/test-threadmap.c b/tools/perf/lib/tests/test-threadmap.c
index 10a4f4cbbdd5..8c5f47247d9e 100644
--- a/tools/perf/lib/tests/test-threadmap.c
+++ b/tools/perf/lib/tests/test-threadmap.c
@@ -1,13 +1,23 @@
 // SPDX-License-Identifier: GPL-2.0
+#include <stdarg.h>
+#include <stdio.h>
 #include <perf/threadmap.h>
 #include <internal/tests.h>
 
+static int libperf_print(enum libperf_print_level level,
+			 const char *fmt, va_list ap)
+{
+	return vfprintf(stderr, fmt, ap);
+}
+
 int main(int argc, char **argv)
 {
 	struct perf_thread_map *threads;
 
 	__T_START;
 
+	libperf_init(libperf_print);
+
 	threads = perf_thread_map__new_dummy();
 	if (!threads)
 		return -1;