1 files changed, 33 insertions, 0 deletions
diff --git a/tools/perf/tests/workloads/callchain.c b/tools/perf/tests/workloads/callchain.c
new file mode 100644
index 000000000000..abbb406ba90b
--- /dev/null
+++ b/tools/perf/tests/workloads/callchain.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/compiler.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+#include "../tests.h"
+
+/*
+ * Mark as noinline to establish the call chain, and avoid the static
+ * annotation to prevent LTO from renaming the functions.
+ */
+noinline void callchain_do_syscall(void);
+noinline void callchain_foo(void);
+noinline int callchain(int argc, const char **argv);
+
+noinline void callchain_do_syscall(void)
+{
+	syscall(SYS_gettid);
+}
+
+noinline void callchain_foo(void)
+{
+	callchain_do_syscall();
+}
+
+noinline int callchain(int argc __maybe_unused,
+		       const char **argv __maybe_unused)
+{
+	callchain_foo();
+
+	return 0;
+}
+
+DEFINE_WORKLOAD(callchain);