/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2023 Meta Platforms, Inc. and affiliates. * Copyright (c) 2023 David Vernet <dvernet@meta.com> * Copyright (c) 2023 Tejun Heo <tj@kernel.org> */ #include <bpf/bpf.h> #include <scx/common.h> #include <sys/wait.h> #include <unistd.h> #include "enq_last_no_enq_fails.bpf.skel.h" #include "scx_test.h" static enum scx_test_status setup(void **ctx) { struct enq_last_no_enq_fails *skel; skel = enq_last_no_enq_fails__open(); SCX_FAIL_IF(!skel, "Failed to open"); SCX_ENUM_INIT(skel); SCX_FAIL_IF(enq_last_no_enq_fails__load(skel), "Failed to load skel"); *ctx = skel; return SCX_TEST_PASS; } static enum scx_test_status run(void *ctx) { struct enq_last_no_enq_fails *skel = ctx; struct bpf_link *link; link = bpf_map__attach_struct_ops(skel->maps.enq_last_no_enq_fails_ops); if (!link) { SCX_ERR("Incorrectly failed at attaching scheduler"); return SCX_TEST_FAIL; } if (!skel->bss->exit_kind) { SCX_ERR("Incorrectly stayed loaded"); return SCX_TEST_FAIL; } bpf_link__destroy(link); return SCX_TEST_PASS; } static void cleanup(void *ctx) { struct enq_last_no_enq_fails *skel = ctx; enq_last_no_enq_fails__destroy(skel); } struct scx_test enq_last_no_enq_fails = { .name = "enq_last_no_enq_fails", .description = "Verify we eject a scheduler if we specify " "the SCX_OPS_ENQ_LAST flag without defining " "ops.enqueue()", .setup = setup, .run = run, .cleanup = cleanup, }; REGISTER_SCX_TEST(&enq_last_no_enq_fails)