1// SPDX-License-Identifier: LGPL-2.1
2
3size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg)
4{
5 int pid = arg->val;
6 struct trace *trace = arg->trace;
7 size_t printed = scnprintf(buf: bf, size, fmt: "%d", pid);
8 struct thread *thread = machine__findnew_thread(machine: trace->host, pid, tid: pid);
9
10 if (thread != NULL) {
11 if (!thread__comm_set(thread))
12 thread__set_comm_from_proc(thread);
13
14 if (thread__comm_set(thread))
15 printed += scnprintf(buf: bf + printed, size: size - printed,
16 fmt: " (%s)", thread__comm_str(thread));
17 thread__put(thread);
18 }
19
20 return printed;
21}
22

source code of linux/tools/perf/trace/beauty/pid.c