1 files changed, 58 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/fs_at_flags.c b/tools/perf/trace/beauty/fs_at_flags.c
new file mode 100644
index 000000000000..c200669cb944
--- /dev/null
+++ b/tools/perf/trace/beauty/fs_at_flags.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: LGPL-2.1
+/*
+ * trace/beauty/fs_at_flags.c
+ *
+ *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
+ */
+
+#include "trace/beauty/beauty.h"
+#include <sys/types.h>
+#include <linux/fcntl.h>
+#include <linux/log2.h>
+
+/*
+ * uapi/linux/fcntl.h does not keep a copy in tools headers directory,
+ * for system with kernel versions before v5.8, need to sync AT_EACCESS macro.
+ */
+#ifndef AT_EACCESS
+#define AT_EACCESS 0x200
+#endif
+
+#include "trace/beauty/generated/fs_at_flags_array.c"
+static DEFINE_STRARRAY(fs_at_flags, "AT_");
+
+static size_t fs_at__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
+{
+	return strarray__scnprintf_flags(&strarray__fs_at_flags, bf, size, show_prefix, flags);
+}
+
+size_t syscall_arg__scnprintf_fs_at_flags(char *bf, size_t size, struct syscall_arg *arg)
+{
+	bool show_prefix = arg->show_string_prefix;
+	int flags = arg->val;
+
+	return fs_at__scnprintf_flags(flags, bf, size, show_prefix);
+}
+
+static size_t faccessat2__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
+{
+	int printed = 0;
+
+	// AT_EACCESS is the same as AT_REMOVEDIR, that is in fs_at_flags_array,
+	// special case it here.
+	if (flags & AT_EACCESS) {
+		flags &= ~AT_EACCESS;
+		printed += scnprintf(bf + printed, size - printed, "%sEACCESS%s",
+				     show_prefix ? strarray__fs_at_flags.prefix : "", flags ? "|" : "");
+	}
+
+	return strarray__scnprintf_flags(&strarray__fs_at_flags, bf + printed, size - printed, show_prefix, flags);
+}
+
+size_t syscall_arg__scnprintf_faccessat2_flags(char *bf, size_t size, struct syscall_arg *arg)
+{
+	bool show_prefix = arg->show_string_prefix;
+	int flags = arg->val;
+
+	return faccessat2__scnprintf_flags(flags, bf, size, show_prefix);
+}