1 files changed, 42 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/clone.c b/tools/perf/trace/beauty/clone.c
new file mode 100644
index 000000000000..c9fa8f7e82b9
--- /dev/null
+++ b/tools/perf/trace/beauty/clone.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: LGPL-2.1
+/*
+ * trace/beauty/cone.c
+ *
+ *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
+ */
+
+#include "trace/beauty/beauty.h"
+#include <linux/kernel.h>
+#include <linux/log2.h>
+#include <sys/types.h>
+#include <sched.h>
+
+static size_t clone__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
+{
+#include "trace/beauty/generated/clone_flags_array.c"
+	static DEFINE_STRARRAY(clone_flags, "CLONE_");
+
+	return strarray__scnprintf_flags(&strarray__clone_flags, bf, size, show_prefix, flags);
+}
+
+size_t syscall_arg__scnprintf_clone_flags(char *bf, size_t size, struct syscall_arg *arg)
+{
+	unsigned long flags = arg->val;
+	enum syscall_clone_args {
+		SCC_FLAGS	  = (1 << 0),
+		SCC_CHILD_STACK	  = (1 << 1),
+		SCC_PARENT_TIDPTR = (1 << 2),
+		SCC_CHILD_TIDPTR  = (1 << 3),
+		SCC_TLS		  = (1 << 4),
+	};
+	if (!(flags & CLONE_PARENT_SETTID))
+		arg->mask |= SCC_PARENT_TIDPTR;
+
+	if (!(flags & (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)))
+		arg->mask |= SCC_CHILD_TIDPTR;
+
+	if (!(flags & CLONE_SETTLS))
+		arg->mask |= SCC_TLS;
+
+	return clone__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
+}