diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/bpf_iter_task_file.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/bpf_iter_task_file.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_task_file.c b/tools/testing/selftests/bpf/progs/bpf_iter_task_file.c index 8b787baa2654..959a8d899eaf 100644 --- a/tools/testing/selftests/bpf/progs/bpf_iter_task_file.c +++ b/tools/testing/selftests/bpf/progs/bpf_iter_task_file.c @@ -1,24 +1,38 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2020 Facebook */ -#include "bpf_iter.h" +#include <vmlinux.h> #include <bpf/bpf_helpers.h> -#include <bpf/bpf_tracing.h> char _license[] SEC("license") = "GPL"; +int count = 0; +int tgid = 0; +int last_tgid = 0; +int unique_tgid_count = 0; + 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; + __u32 fd = ctx->fd; if (task == (void *)0 || file == (void *)0) return 0; - if (ctx->meta->seq_num == 0) + if (ctx->meta->seq_num == 0) { + count = 0; BPF_SEQ_PRINTF(seq, " tgid gid fd file\n"); + } + + if (tgid == task->tgid && task->tgid != task->pid) + count++; + + if (last_tgid != task->tgid) { + last_tgid = task->tgid; + unique_tgid_count++; + } BPF_SEQ_PRINTF(seq, "%8d %8d %8d %lx\n", task->tgid, task->pid, fd, (long)file->f_op); |