xref: /linux/tools/perf/trace/beauty/pid.c (revision 72bea132f3680ee51e7ed2cee62892b6f5121909)
1 // SPDX-License-Identifier: LGPL-2.1
2 
3 size_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(bf, size, "%d", pid);
8 	struct thread *thread = machine__findnew_thread(trace->host, pid, 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(bf + printed, size - printed,
16 					     " (%s)", thread__comm_str(thread));
17 		thread__put(thread);
18 	}
19 
20 	return printed;
21 }
22