tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright (c) 2019 Facebook */
3
4#include <test_progs.h>
5
6struct s {
7 int a;
8 long long b;
9} __attribute__((packed));
10
11#include "test_skeleton.skel.h"
12
13void test_skeleton(void)
14{
15 int duration = 0, err;
16 struct test_skeleton* skel;
17 struct test_skeleton__bss *bss;
18 struct test_skeleton__kconfig *kcfg;
19
20 skel = test_skeleton__open();
21 if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
22 return;
23
24 if (CHECK(skel->kconfig, "skel_kconfig", "kconfig is mmaped()!\n"))
25 goto cleanup;
26
27 err = test_skeleton__load(skel);
28 if (CHECK(err, "skel_load", "failed to load skeleton: %d\n", err))
29 goto cleanup;
30
31 bss = skel->bss;
32 bss->in1 = 1;
33 bss->in2 = 2;
34 bss->in3 = 3;
35 bss->in4 = 4;
36 bss->in5.a = 5;
37 bss->in5.b = 6;
38 kcfg = skel->kconfig;
39
40 err = test_skeleton__attach(skel);
41 if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
42 goto cleanup;
43
44 /* trigger tracepoint */
45 usleep(1);
46
47 CHECK(bss->out1 != 1, "res1", "got %d != exp %d\n", bss->out1, 1);
48 CHECK(bss->out2 != 2, "res2", "got %lld != exp %d\n", bss->out2, 2);
49 CHECK(bss->out3 != 3, "res3", "got %d != exp %d\n", (int)bss->out3, 3);
50 CHECK(bss->out4 != 4, "res4", "got %lld != exp %d\n", bss->out4, 4);
51 CHECK(bss->handler_out5.a != 5, "res5", "got %d != exp %d\n",
52 bss->handler_out5.a, 5);
53 CHECK(bss->handler_out5.b != 6, "res6", "got %lld != exp %d\n",
54 bss->handler_out5.b, 6);
55
56 CHECK(bss->bpf_syscall != kcfg->CONFIG_BPF_SYSCALL, "ext1",
57 "got %d != exp %d\n", bss->bpf_syscall, kcfg->CONFIG_BPF_SYSCALL);
58 CHECK(bss->kern_ver != kcfg->LINUX_KERNEL_VERSION, "ext2",
59 "got %d != exp %d\n", bss->kern_ver, kcfg->LINUX_KERNEL_VERSION);
60
61cleanup:
62 test_skeleton__destroy(skel);
63}