1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2019 Facebook
3 #include <test_progs.h>
4 static int libbpf_debug_print(enum libbpf_print_level level,
5 const char *format, va_list args)
7 if (level != LIBBPF_DEBUG) {
12 if (!strstr(format, "verifier log"))
18 extern int extra_prog_load_log_flags;
20 static int check_load(const char *file, enum bpf_prog_type type)
22 struct bpf_object *obj = NULL;
23 struct bpf_program *prog;
26 obj = bpf_object__open_file(file, NULL);
27 err = libbpf_get_error(obj);
31 prog = bpf_object__next_program(obj, NULL);
37 bpf_program__set_type(prog, type);
38 bpf_program__set_flags(prog, testing_prog_flags());
39 bpf_program__set_log_level(prog, 4 | extra_prog_load_log_flags);
41 err = bpf_object__load(obj);
44 bpf_object__close(obj);
48 struct scale_test_def {
50 enum bpf_prog_type attach_type;
54 static void scale_test(const char *file,
55 enum bpf_prog_type attach_type,
58 libbpf_print_fn_t old_print_fn = NULL;
61 if (env.verifier_stats) {
63 old_print_fn = libbpf_set_print(libbpf_debug_print);
66 err = check_load(file, attach_type);
68 ASSERT_ERR(err, "expect_error");
70 ASSERT_OK(err, "expect_success");
72 if (env.verifier_stats)
73 libbpf_set_print(old_print_fn);
76 void test_verif_scale1()
78 scale_test("test_verif_scale1.bpf.o", BPF_PROG_TYPE_SCHED_CLS, false);
81 void test_verif_scale2()
83 scale_test("test_verif_scale2.bpf.o", BPF_PROG_TYPE_SCHED_CLS, false);
86 void test_verif_scale3()
88 scale_test("test_verif_scale3.bpf.o", BPF_PROG_TYPE_SCHED_CLS, false);
91 void test_verif_scale_pyperf_global()
93 scale_test("pyperf_global.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
96 void test_verif_scale_pyperf_subprogs()
98 scale_test("pyperf_subprogs.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
101 void test_verif_scale_pyperf50()
103 /* full unroll by llvm */
104 scale_test("pyperf50.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
107 void test_verif_scale_pyperf100()
109 /* full unroll by llvm */
110 scale_test("pyperf100.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
113 void test_verif_scale_pyperf180()
115 /* full unroll by llvm */
116 scale_test("pyperf180.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
119 void test_verif_scale_pyperf600()
121 /* partial unroll. llvm will unroll loop ~150 times.
122 * C loop count -> 600.
123 * Asm loop count -> 4.
124 * 16k insns in loop body.
125 * Total of 5 such loops. Total program size ~82k insns.
127 scale_test("pyperf600.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
130 void test_verif_scale_pyperf600_bpf_loop(void)
132 /* use the bpf_loop helper*/
133 scale_test("pyperf600_bpf_loop.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
136 void test_verif_scale_pyperf600_nounroll()
139 * C loop count -> 600.
140 * ASM loop count -> 600.
141 * ~110 insns in loop body.
142 * Total of 5 such loops. Total program size ~1500 insns.
144 scale_test("pyperf600_nounroll.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
147 void test_verif_scale_pyperf600_iter()
149 /* open-coded BPF iterator version */
150 scale_test("pyperf600_iter.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
153 void test_verif_scale_loop1()
155 scale_test("loop1.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
158 void test_verif_scale_loop2()
160 scale_test("loop2.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
163 void test_verif_scale_loop3_fail()
165 scale_test("loop3.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, true /* fails */);
168 void test_verif_scale_loop4()
170 scale_test("loop4.bpf.o", BPF_PROG_TYPE_SCHED_CLS, false);
173 void test_verif_scale_loop5()
175 scale_test("loop5.bpf.o", BPF_PROG_TYPE_SCHED_CLS, false);
178 void test_verif_scale_loop6()
180 scale_test("loop6.bpf.o", BPF_PROG_TYPE_KPROBE, false);
183 void test_verif_scale_strobemeta()
185 /* partial unroll. 19k insn in a loop.
186 * Total program size 20.8k insn.
187 * ~350k processed_insns
189 scale_test("strobemeta.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
192 void test_verif_scale_strobemeta_bpf_loop(void)
194 /* use the bpf_loop helper*/
195 scale_test("strobemeta_bpf_loop.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
198 void test_verif_scale_strobemeta_nounroll1()
200 /* no unroll, tiny loops */
201 scale_test("strobemeta_nounroll1.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
204 void test_verif_scale_strobemeta_nounroll2()
206 /* no unroll, tiny loops */
207 scale_test("strobemeta_nounroll2.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
210 void test_verif_scale_strobemeta_subprogs()
212 /* non-inlined subprogs */
213 scale_test("strobemeta_subprogs.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
216 void test_verif_scale_sysctl_loop1()
218 scale_test("test_sysctl_loop1.bpf.o", BPF_PROG_TYPE_CGROUP_SYSCTL, false);
221 void test_verif_scale_sysctl_loop2()
223 scale_test("test_sysctl_loop2.bpf.o", BPF_PROG_TYPE_CGROUP_SYSCTL, false);
226 void test_verif_scale_xdp_loop()
228 scale_test("test_xdp_loop.bpf.o", BPF_PROG_TYPE_XDP, false);
231 void test_verif_scale_seg6_loop()
233 scale_test("test_seg6_loop.bpf.o", BPF_PROG_TYPE_LWT_SEG6LOCAL, false);
236 void test_verif_twfw()
238 scale_test("twfw.bpf.o", BPF_PROG_TYPE_CGROUP_SKB, false);