/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2024 Meta Platforms, Inc. and affiliates. * Copyright (c) 2024 David Vernet <dvernet@meta.com> */ #include <bpf/bpf.h> #include <scx/common.h> #include <unistd.h> #include "dsp_local_on.bpf.skel.h" #include "scx_test.h" static enum scx_test_status setup(void **ctx) { struct dsp_local_on *skel; skel = dsp_local_on__open(); SCX_FAIL_IF(!skel, "Failed to open"); SCX_ENUM_INIT(skel); skel->rodata->nr_cpus = libbpf_num_possible_cpus(); SCX_FAIL_IF(dsp_local_on__load(skel), "Failed to load skel"); *ctx = skel; return SCX_TEST_PASS; } static enum scx_test_status run(void *ctx) { struct dsp_local_on *skel = ctx; struct bpf_link *link; link = bpf_map__attach_struct_ops(skel->maps.dsp_local_on_ops); SCX_FAIL_IF(!link, "Failed to attach struct_ops"); /* Just sleeping is fine, plenty of scheduling events happening */ sleep(1); bpf_link__destroy(link); SCX_EQ(skel->data->uei.kind, EXIT_KIND(SCX_EXIT_UNREG)); return SCX_TEST_PASS; } static void cleanup(void *ctx) { struct dsp_local_on *skel = ctx; dsp_local_on__destroy(skel); } struct scx_test dsp_local_on = { .name = "dsp_local_on", .description = "Verify we can directly dispatch tasks to a local DSQs " "from ops.dispatch()", .setup = setup, .run = run, .cleanup = cleanup, }; REGISTER_SCX_TEST(&dsp_local_on)