3 files changed, 62 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/Build b/tools/perf/trace/beauty/Build
index c9e215b806f1..eaa1e8e8e100 100644
--- a/tools/perf/trace/beauty/Build
+++ b/tools/perf/trace/beauty/Build
@@ -1,2 +1,3 @@
+libperf-y += clone.o
 libperf-y += fcntl.o
 libperf-y += statx.o
diff --git a/tools/perf/trace/beauty/beauty.h b/tools/perf/trace/beauty/beauty.h
index f75ef7d0b303..69a5c8a2d420 100644
--- a/tools/perf/trace/beauty/beauty.h
+++ b/tools/perf/trace/beauty/beauty.h
@@ -66,6 +66,9 @@ size_t syscall_arg__scnprintf_long(char *bf, size_t size, struct syscall_arg *ar
 size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg);
 #define SCA_PID syscall_arg__scnprintf_pid
 
+size_t syscall_arg__scnprintf_clone_flags(char *bf, size_t size, struct syscall_arg *arg);
+#define SCA_CLONE_FLAGS syscall_arg__scnprintf_clone_flags
+
 size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_arg *arg);
 #define SCA_FCNTL_CMD syscall_arg__scnprintf_fcntl_cmd
 
diff --git a/tools/perf/trace/beauty/clone.c b/tools/perf/trace/beauty/clone.c
new file mode 100644
index 000000000000..ab982a7c63bb
--- /dev/null
+++ b/tools/perf/trace/beauty/clone.c
@@ -0,0 +1,58 @@
+/*
+ * trace/beauty/cone.c
+ *
+ *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
+ *
+ * Released under the GPL v2. (and only v2, not any later version)
+ */
+
+#include "trace/beauty/beauty.h"
+#include <linux/kernel.h>
+#include <sys/types.h>
+#include <uapi/linux/sched.h>
+
+static size_t clone__scnprintf_flags(unsigned long flags, char *bf, size_t size)
+{
+	int printed = 0;
+
+#define	P_FLAG(n) \
+	if (flags & CLONE_##n) { \
+		printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
+		flags &= ~CLONE_##n; \
+	}
+
+	P_FLAG(VM);
+	P_FLAG(FS);
+	P_FLAG(FILES);
+	P_FLAG(SIGHAND);
+	P_FLAG(PTRACE);
+	P_FLAG(VFORK);
+	P_FLAG(PARENT);
+	P_FLAG(THREAD);
+	P_FLAG(NEWNS);
+	P_FLAG(SYSVSEM);
+	P_FLAG(SETTLS);
+	P_FLAG(PARENT_SETTID);
+	P_FLAG(CHILD_CLEARTID);
+	P_FLAG(DETACHED);
+	P_FLAG(UNTRACED);
+	P_FLAG(CHILD_SETTID);
+	P_FLAG(NEWCGROUP);
+	P_FLAG(NEWUTS);
+	P_FLAG(NEWIPC);
+	P_FLAG(NEWUSER);
+	P_FLAG(NEWPID);
+	P_FLAG(NEWNET);
+	P_FLAG(IO);
+#undef P_FLAG
+
+	if (flags)
+		printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
+
+	return printed;
+}
+
+size_t syscall_arg__scnprintf_clone_flags(char *bf, size_t size, struct syscall_arg *arg)
+{
+	return clone__scnprintf_flags(arg->val, bf, size);
+}