tools/testing/selftests/bpf/prog_tests/test_bpf_ma.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright (C) 2023. Huawei Technologies Co., Ltd */
   3 #define _GNU_SOURCE
   4 #include <sched.h>
   5 #include <pthread.h>
   6 #include <stdbool.h>
   7 #include <bpf/btf.h>
   8 #include <test_progs.h>
   9
  10 #include "test_bpf_ma.skel.h"
  11
  12 void test_test_bpf_ma(void)
  13 {
  14         struct test_bpf_ma *skel;
  15         struct btf *btf;
  16         int i, err;
  17
  18         skel = test_bpf_ma__open();
  19         if (!ASSERT_OK_PTR(skel, "open"))
  20                 return;
  21
  22         btf = bpf_object__btf(skel->obj);
  23         if (!ASSERT_OK_PTR(btf, "btf"))
  24                 goto out;
  25
  26         for (i = 0; i < ARRAY_SIZE(skel->rodata->data_sizes); i++) {
  27                 char name[32];
  28                 int id;
  29
  30                 snprintf(name, sizeof(name), "bin_data_%u", skel->rodata->data_sizes[i]);
  31                 id = btf__find_by_name_kind(btf, name, BTF_KIND_STRUCT);
  32                 if (!ASSERT_GT(id, 0, "bin_data"))
  33                         goto out;
  34                 skel->rodata->data_btf_ids[i] = id;
  35         }
  36
  37         err = test_bpf_ma__load(skel);
  38         if (!ASSERT_OK(err, "load"))
  39                 goto out;
  40
  41         err = test_bpf_ma__attach(skel);
  42         if (!ASSERT_OK(err, "attach"))
  43                 goto out;
  44
  45         skel->bss->pid = getpid();
  46         usleep(1);
  47         ASSERT_OK(skel->bss->err, "test error");
  48 out:
  49         test_bpf_ma__destroy(skel);
  50 }