xref: /OK3568_Linux_fs/kernel/tools/perf/trace/beauty/pid.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: LGPL-2.1
2*4882a593Smuzhiyun 
syscall_arg__scnprintf_pid(char * bf,size_t size,struct syscall_arg * arg)3*4882a593Smuzhiyun size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg)
4*4882a593Smuzhiyun {
5*4882a593Smuzhiyun 	int pid = arg->val;
6*4882a593Smuzhiyun 	struct trace *trace = arg->trace;
7*4882a593Smuzhiyun 	size_t printed = scnprintf(bf, size, "%d", pid);
8*4882a593Smuzhiyun 	struct thread *thread = machine__findnew_thread(trace->host, pid, pid);
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun 	if (thread != NULL) {
11*4882a593Smuzhiyun 		if (!thread->comm_set)
12*4882a593Smuzhiyun 			thread__set_comm_from_proc(thread);
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun 		if (thread->comm_set)
15*4882a593Smuzhiyun 			printed += scnprintf(bf + printed, size - printed,
16*4882a593Smuzhiyun 					     " (%s)", thread__comm_str(thread));
17*4882a593Smuzhiyun 		thread__put(thread);
18*4882a593Smuzhiyun 	}
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun 	return printed;
21*4882a593Smuzhiyun }
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