1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2020 Facebook */ 3 #include <vmlinux.h> 4 #include <bpf/bpf_helpers.h> 5 6 char _license[] SEC("license") = "GPL"; 7 8 SEC("iter/task") 9 int dump_task(struct bpf_iter__task *ctx) 10 { 11 struct seq_file *seq = ctx->meta->seq; 12 struct task_struct *task = ctx->task; 13 int tgid; 14 15 tgid = task->tgid; 16 bpf_seq_write(seq, &tgid, sizeof(tgid)); 17 return 0; 18 } 19