pid.c

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// 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;
}