v4.19.13 snapshot.
diff --git a/tools/perf/trace/beauty/pid.c b/tools/perf/trace/beauty/pid.c
new file mode 100644
index 0000000..0313df3
--- /dev/null
+++ b/tools/perf/trace/beauty/pid.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg)
+{
+ int pid = arg->val;
+ struct trace *trace = arg->trace;
+ size_t printed = scnprintf(bf, size, "%d", pid);
+ struct thread *thread = machine__findnew_thread(trace->host, pid, pid);
+
+ if (thread != NULL) {
+ if (!thread->comm_set)
+ thread__set_comm_from_proc(thread);
+
+ if (thread->comm_set)
+ printed += scnprintf(bf + printed, size - printed,
+ " (%s)", thread__comm_str(thread));
+ thread__put(thread);
+ }
+
+ return printed;
+}