On Thu, 2020-11-26 at 23:00 -0800, Yonghong Song wrote:
> On 11/26/20 8:44 AM, Florent Revest wrote:
> > +SEC("iter/task_file")
> > +int fill_socket_owner(struct bpf_iter__task_file *ctx)
> > +{
> > + struct task_struct *task = ctx->task;
> > + struct file *file = ctx->file;
> > + struct socket *sock;
> > + int *sock_tgid;
> > +
> > + if (!task || !file || task->tgid != task->pid)
>
> task->tgid != task->pid is not needed here.
> The task_file iterator already tries to skip task with task->pid
> if its file table is the same as task->tgid.
Good to know!
