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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
   3
   4 #include <test_progs.h>
   5 #include "tracing_struct.skel.h"
   6
   7 static void test_fentry(void)
   8 {
   9         struct tracing_struct *skel;
  10         int err;
  11
  12         skel = tracing_struct__open_and_load();
  13         if (!ASSERT_OK_PTR(skel, "tracing_struct__open_and_load"))
  14                 return;
  15
  16         err = tracing_struct__attach(skel);
  17         if (!ASSERT_OK(err, "tracing_struct__attach"))
  18                 goto destroy_skel;
  19
  20         ASSERT_OK(trigger_module_test_read(256), "trigger_read");
  21
  22         ASSERT_EQ(skel->bss->t1_a_a, 2, "t1:a.a");
  23         ASSERT_EQ(skel->bss->t1_a_b, 3, "t1:a.b");
  24         ASSERT_EQ(skel->bss->t1_b, 1, "t1:b");
  25         ASSERT_EQ(skel->bss->t1_c, 4, "t1:c");
  26
  27         ASSERT_EQ(skel->bss->t1_nregs, 4, "t1 nregs");
  28         ASSERT_EQ(skel->bss->t1_reg0, 2, "t1 reg0");
  29         ASSERT_EQ(skel->bss->t1_reg1, 3, "t1 reg1");
  30         ASSERT_EQ(skel->bss->t1_reg2, 1, "t1 reg2");
  31         ASSERT_EQ(skel->bss->t1_reg3, 4, "t1 reg3");
  32         ASSERT_EQ(skel->bss->t1_ret, 10, "t1 ret");
  33
  34         ASSERT_EQ(skel->bss->t2_a, 1, "t2:a");
  35         ASSERT_EQ(skel->bss->t2_b_a, 2, "t2:b.a");
  36         ASSERT_EQ(skel->bss->t2_b_b, 3, "t2:b.b");
  37         ASSERT_EQ(skel->bss->t2_c, 4, "t2:c");
  38         ASSERT_EQ(skel->bss->t2_ret, 10, "t2 ret");
  39
  40         ASSERT_EQ(skel->bss->t3_a, 1, "t3:a");
  41         ASSERT_EQ(skel->bss->t3_b, 4, "t3:b");
  42         ASSERT_EQ(skel->bss->t3_c_a, 2, "t3:c.a");
  43         ASSERT_EQ(skel->bss->t3_c_b, 3, "t3:c.b");
  44         ASSERT_EQ(skel->bss->t3_ret, 10, "t3 ret");
  45
  46         ASSERT_EQ(skel->bss->t4_a_a, 10, "t4:a.a");
  47         ASSERT_EQ(skel->bss->t4_b, 1, "t4:b");
  48         ASSERT_EQ(skel->bss->t4_c, 2, "t4:c");
  49         ASSERT_EQ(skel->bss->t4_d, 3, "t4:d");
  50         ASSERT_EQ(skel->bss->t4_e_a, 2, "t4:e.a");
  51         ASSERT_EQ(skel->bss->t4_e_b, 3, "t4:e.b");
  52         ASSERT_EQ(skel->bss->t4_ret, 21, "t4 ret");
  53
  54         ASSERT_EQ(skel->bss->t5_ret, 1, "t5 ret");
  55
  56         tracing_struct__detach(skel);
  57 destroy_skel:
  58         tracing_struct__destroy(skel);
  59 }
  60
  61 void test_tracing_struct(void)
  62 {
  63         test_fentry();
  64 }