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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright (c) 2020 Facebook */
   3 #include <test_progs.h>
   4 #include "progs/profiler.h"
   5 #include "profiler1.skel.h"
   6 #include "profiler2.skel.h"
   7 #include "profiler3.skel.h"
   8
   9 static int sanity_run(struct bpf_program *prog)
  10 {
  11         LIBBPF_OPTS(bpf_test_run_opts, test_attr);
  12         __u64 args[] = {1, 2, 3};
  13         int err, prog_fd;
  14
  15         prog_fd = bpf_program__fd(prog);
  16         test_attr.ctx_in = args;
  17         test_attr.ctx_size_in = sizeof(args);
  18         err = bpf_prog_test_run_opts(prog_fd, &test_attr);
  19         if (!ASSERT_OK(err, "test_run"))
  20                 return -1;
  21
  22         if (!ASSERT_OK(test_attr.retval, "test_run retval"))
  23                 return -1;
  24
  25         return 0;
  26 }
  27
  28 void test_test_profiler(void)
  29 {
  30         struct profiler1 *profiler1_skel = NULL;
  31         struct profiler2 *profiler2_skel = NULL;
  32         struct profiler3 *profiler3_skel = NULL;
  33         __u32 duration = 0;
  34         int err;
  35
  36         profiler1_skel = profiler1__open_and_load();
  37         if (CHECK(!profiler1_skel, "profiler1_skel_load", "profiler1 skeleton failed\n"))
  38                 goto cleanup;
  39
  40         err = profiler1__attach(profiler1_skel);
  41         if (CHECK(err, "profiler1_attach", "profiler1 attach failed: %d\n", err))
  42                 goto cleanup;
  43
  44         if (sanity_run(profiler1_skel->progs.raw_tracepoint__sched_process_exec))
  45                 goto cleanup;
  46
  47         profiler2_skel = profiler2__open_and_load();
  48         if (CHECK(!profiler2_skel, "profiler2_skel_load", "profiler2 skeleton failed\n"))
  49                 goto cleanup;
  50
  51         err = profiler2__attach(profiler2_skel);
  52         if (CHECK(err, "profiler2_attach", "profiler2 attach failed: %d\n", err))
  53                 goto cleanup;
  54
  55         if (sanity_run(profiler2_skel->progs.raw_tracepoint__sched_process_exec))
  56                 goto cleanup;
  57
  58         profiler3_skel = profiler3__open_and_load();
  59         if (CHECK(!profiler3_skel, "profiler3_skel_load", "profiler3 skeleton failed\n"))
  60                 goto cleanup;
  61
  62         err = profiler3__attach(profiler3_skel);
  63         if (CHECK(err, "profiler3_attach", "profiler3 attach failed: %d\n", err))
  64                 goto cleanup;
  65
  66         if (sanity_run(profiler3_skel->progs.raw_tracepoint__sched_process_exec))
  67                 goto cleanup;
  68 cleanup:
  69         profiler1__destroy(profiler1_skel);
  70         profiler2__destroy(profiler2_skel);
  71         profiler3__destroy(profiler3_skel);
  72 }