diff --git a/tools/perf/tests/shell/data_type_profiling.sh b/tools/perf/tests/shell/data_type_profiling.sh
index 2a7f8f7c42d0..fb47b7213b33 100755
--- a/tools/perf/tests/shell/data_type_profiling.sh
+++ b/tools/perf/tests/shell/data_type_profiling.sh
@@ -8,7 +8,7 @@ set -e
 # data type profiling manifestation
 
 # Values in testtypes and testprogs should match
-testtypes=("# data-type: struct Buf" "# data-type: struct _buf")
+testtypes=("# data-type: struct Buf" "# data-type: struct buf")
 testprogs=("perf test -w code_with_type" "perf test -w datasym")
 
 err=0
diff --git a/tools/perf/tests/workloads/datasym.c b/tools/perf/tests/workloads/datasym.c
index 1d0b7d64e1ba..19242c7255c0 100644
--- a/tools/perf/tests/workloads/datasym.c
+++ b/tools/perf/tests/workloads/datasym.c
@@ -4,14 +4,14 @@
 #include <linux/compiler.h>
 #include "../tests.h"
 
-typedef struct _buf {
+struct buf {
 	char data1;
 	char reserved[55];
 	char data2;
-} buf __attribute__((aligned(64)));
+} __attribute__((aligned(64)));
 
 /* volatile to try to avoid the compiler seeing reserved as unused. */
-static volatile buf workload_datasym_buf1 = {
+static volatile struct buf workload_datasym_buf1 = {
 	/* to have this in the data section */
 	.reserved[0] = 1,
 };