xref: /linux/tools/perf/trace/beauty/pid.c (revision 537609924c43715e39a41762d3e3d3c7c534bb71)
1 // SPDX-License-Identifier: LGPL-2.1
2 #include "trace/beauty/beauty.h"
3 #include "util/machine.h"
4 #include "util/thread.h"
5 
6 size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg)
7 {
8 	int pid = arg->val;
9 	struct trace *trace = arg->trace;
10 	size_t printed = scnprintf(bf, size, "%d", pid);
11 	struct thread *thread = machine__findnew_thread(trace__host(trace), pid, pid);
12 
13 	if (thread != NULL) {
14 		if (!thread__comm_set(thread))
15 			thread__set_comm_from_proc(thread);
16 
17 		if (thread__comm_set(thread))
18 			printed += scnprintf(bf + printed, size - printed,
19 					     " (%s)", thread__comm_str(thread));
20 		thread__put(thread);
21 	}
22 
23 	return printed;
24 }
25