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// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2020 Facebook
#define _GNU_SOURCE
#include <test_progs.h>
#include "test_core_retro.skel.h"
void test_core_retro(void)
{
int err, zero = 0, res, duration = 0, my_pid = getpid();
struct test_core_retro *skel;
/* load program */
skel = test_core_retro__open_and_load();
if (CHECK(!skel, "skel_load", "skeleton open/load failed\n"))
goto out_close;
err = bpf_map_update_elem(bpf_map__fd(skel->maps.exp_tgid_map), &zero, &my_pid, 0);
if (CHECK(err, "map_update", "failed to set expected PID: %d\n", errno))
goto out_close;
/* attach probe */
err = test_core_retro__attach(skel);
if (CHECK(err, "attach_kprobe", "err %d\n", err))
goto out_close;
/* trigger */
usleep(1);
err = bpf_map_lookup_elem(bpf_map__fd(skel->maps.results), &zero, &res);
if (CHECK(err, "map_lookup", "failed to lookup result: %d\n", errno))
goto out_close;
CHECK(res != my_pid, "pid_check", "got %d != exp %d\n", res, my_pid);
out_close:
test_core_retro__destroy(skel);
}
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