1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (c) 2023 Meta Platforms, Inc. and affiliates. 4 * Copyright (c) 2023 David Vernet <dvernet@meta.com> 5 * Copyright (c) 2023 Tejun Heo <tj@kernel.org> 6 */ 7 #include <bpf/bpf.h> 8 #include <scx/common.h> 9 #include <sys/wait.h> 10 #include <unistd.h> 11 #include "minimal.bpf.skel.h" 12 #include "scx_test.h" 13 setup(void ** ctx)14static enum scx_test_status setup(void **ctx) 15 { 16 struct minimal *skel; 17 18 skel = minimal__open_and_load(); 19 if (!skel) { 20 SCX_ERR("Failed to open and load skel"); 21 return SCX_TEST_FAIL; 22 } 23 *ctx = skel; 24 25 return SCX_TEST_PASS; 26 } 27 run(void * ctx)28static enum scx_test_status run(void *ctx) 29 { 30 struct minimal *skel = ctx; 31 struct bpf_link *link; 32 33 link = bpf_map__attach_struct_ops(skel->maps.minimal_ops); 34 if (!link) { 35 SCX_ERR("Failed to attach scheduler"); 36 return SCX_TEST_FAIL; 37 } 38 39 bpf_link__destroy(link); 40 41 return SCX_TEST_PASS; 42 } 43 cleanup(void * ctx)44static void cleanup(void *ctx) 45 { 46 struct minimal *skel = ctx; 47 48 minimal__destroy(skel); 49 } 50 51 struct scx_test minimal = { 52 .name = "minimal", 53 .description = "Verify we can load a fully minimal scheduler", 54 .setup = setup, 55 .run = run, 56 .cleanup = cleanup, 57 }; 58 REGISTER_SCX_TEST(&minimal) 59