1 files changed, 39 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/eventfd.c b/tools/perf/trace/beauty/eventfd.c
new file mode 100644
index 000000000..4bab10621
--- /dev/null
+++ b/tools/perf/trace/beauty/eventfd.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: LGPL-2.1
+#ifndef EFD_SEMAPHORE
+#define EFD_SEMAPHORE		1
+#endif
+
+#ifndef EFD_NONBLOCK
+#define EFD_NONBLOCK		00004000
+#endif
+
+#ifndef EFD_CLOEXEC
+#define EFD_CLOEXEC		02000000
+#endif
+
+static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size, struct syscall_arg *arg)
+{
+	bool show_prefix = arg->show_string_prefix;
+	const char *prefix = "EFD_";
+	int printed = 0, flags = arg->val;
+
+	if (flags == 0)
+		return scnprintf(bf, size, "NONE");
+#define	P_FLAG(n) \
+	if (flags & EFD_##n) { \
+		printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
+		flags &= ~EFD_##n; \
+	}
+
+	P_FLAG(SEMAPHORE);
+	P_FLAG(CLOEXEC);
+	P_FLAG(NONBLOCK);
+#undef P_FLAG
+
+	if (flags)
+		printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
+
+	return printed;
+}
+
+#define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags