tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright (c) 2020 Facebook */
3#include "bpf_iter.h"
4#include <bpf/bpf_helpers.h>
5
6char _license[] SEC("license") = "GPL";
7
8SEC("iter/task")
9int dump_task(struct bpf_iter__task *ctx)
10{
11 struct seq_file *seq = ctx->meta->seq;
12 struct task_struct *task = ctx->task;
13 static char info[] = " === END ===";
14
15 if (task == (void *)0) {
16 BPF_SEQ_PRINTF(seq, "%s\n", info);
17 return 0;
18 }
19
20 if (ctx->meta->seq_num == 0)
21 BPF_SEQ_PRINTF(seq, " tgid gid\n");
22
23 BPF_SEQ_PRINTF(seq, "%8d %8d\n", task->tgid, task->pid);
24 return 0;
25}