/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2020 Facebook */ #include <vmlinux.h> #include <bpf/bpf_helpers.h> char _license[] SEC("license") = "GPL"; int count = 0; SEC("iter/task") int dump_task(struct bpf_iter__task *ctx) { struct seq_file *seq = ctx->meta->seq; char c; if (count < 4) { c = START_CHAR + count; bpf_seq_write(seq, &c, sizeof(c)); count++; } return 0; }