enq_last_no_enq_fails.bpf.c

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * A scheduler that validates the behavior of direct dispatching with a default
 4 * select_cpu implementation.
 5 *
 6 * Copyright (c) 2023 Meta Platforms, Inc. and affiliates.
 7 * Copyright (c) 2023 David Vernet <dvernet@meta.com>
 8 * Copyright (c) 2023 Tejun Heo <tj@kernel.org>
 9 */
10
11#include <scx/common.bpf.h>
12
13char _license[] SEC("license") = "GPL";
14
15u32 exit_kind;
16
17void BPF_STRUCT_OPS_SLEEPABLE(enq_last_no_enq_fails_exit, struct scx_exit_info *info)
18{
19	exit_kind = info->kind;
20}
21
22SEC(".struct_ops.link")
23struct sched_ext_ops enq_last_no_enq_fails_ops = {
24	.name			= "enq_last_no_enq_fails",
25	/* Need to define ops.enqueue() with SCX_OPS_ENQ_LAST */
26	.flags			= SCX_OPS_ENQ_LAST,
27	.exit			= (void *) enq_last_no_enq_fails_exit,
28	.timeout_ms		= 1000U,
29};