blob: 8b787baa26546f37816a9073adbf277c59446742 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
#include "bpf_iter.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
char _license[] SEC("license") = "GPL";
SEC("iter/task_file")
int dump_task_file(struct bpf_iter__task_file *ctx)
{
struct seq_file *seq = ctx->meta->seq;
struct task_struct *task = ctx->task;
__u32 fd = ctx->fd;
struct file *file = ctx->file;
if (task == (void *)0 || file == (void *)0)
return 0;
if (ctx->meta->seq_num == 0)
BPF_SEQ_PRINTF(seq, " tgid gid fd file\n");
BPF_SEQ_PRINTF(seq, "%8d %8d %8d %lx\n", task->tgid, task->pid, fd,
(long)file->f_op);
return 0;
}
|