v4.19.13 snapshot.
diff --git a/tools/perf/util/print_binary.c b/tools/perf/util/print_binary.c
new file mode 100644
index 0000000..23e3670
--- /dev/null
+++ b/tools/perf/util/print_binary.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "print_binary.h"
+#include <linux/log2.h>
+#include "sane_ctype.h"
+
+int binary__fprintf(unsigned char *data, size_t len,
+ size_t bytes_per_line, binary__fprintf_t printer,
+ void *extra, FILE *fp)
+{
+ size_t i, j, mask;
+ int printed = 0;
+
+ if (!printer)
+ return 0;
+
+ bytes_per_line = roundup_pow_of_two(bytes_per_line);
+ mask = bytes_per_line - 1;
+
+ printed += printer(BINARY_PRINT_DATA_BEGIN, 0, extra, fp);
+ for (i = 0; i < len; i++) {
+ if ((i & mask) == 0) {
+ printed += printer(BINARY_PRINT_LINE_BEGIN, -1, extra, fp);
+ printed += printer(BINARY_PRINT_ADDR, i, extra, fp);
+ }
+
+ printed += printer(BINARY_PRINT_NUM_DATA, data[i], extra, fp);
+
+ if (((i & mask) == mask) || i == len - 1) {
+ for (j = 0; j < mask-(i & mask); j++)
+ printed += printer(BINARY_PRINT_NUM_PAD, -1, extra, fp);
+
+ printer(BINARY_PRINT_SEP, i, extra, fp);
+ for (j = i & ~mask; j <= i; j++)
+ printed += printer(BINARY_PRINT_CHAR_DATA, data[j], extra, fp);
+ for (j = 0; j < mask-(i & mask); j++)
+ printed += printer(BINARY_PRINT_CHAR_PAD, i, extra, fp);
+ printed += printer(BINARY_PRINT_LINE_END, -1, extra, fp);
+ }
+ }
+ printed += printer(BINARY_PRINT_DATA_END, -1, extra, fp);
+ return printed;
+}
+
+int is_printable_array(char *p, unsigned int len)
+{
+ unsigned int i;
+
+ if (!p || !len || p[len - 1] != 0)
+ return 0;
+
+ len--;
+
+ for (i = 0; i < len; i++) {
+ if (!isprint(p[i]) && !isspace(p[i]))
+ return 0;
+ }
+ return 1;
+}