// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include "test_enable_stats.skel.h"

void test_enable_stats(void)
{
        struct test_enable_stats *skel;
        int stats_fd, err, prog_fd;
        struct bpf_prog_info info;
        __u32 info_len = sizeof(info);
        int duration = 0;

        skel = test_enable_stats__open_and_load();
        if (CHECK(!skel, "skel_open_and_load", "skeleton open/load failed\n"))
                return;

        stats_fd = bpf_enable_stats(BPF_STATS_RUN_TIME);
        if (CHECK(stats_fd < 0, "get_stats_fd", "failed %d\n", errno)) {
                test_enable_stats__destroy(skel);
                return;
        }

        err = test_enable_stats__attach(skel);
        if (CHECK(err, "attach_raw_tp", "err %d\n", err))
                goto cleanup;

        test_enable_stats__detach(skel);

        prog_fd = bpf_program__fd(skel->progs.test_enable_stats);
        memset(&info, 0, info_len);
        err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
        if (CHECK(err, "get_prog_info",
                  "failed to get bpf_prog_info for fd %d\n", prog_fd))
                goto cleanup;
        if (CHECK(info.run_time_ns == 0, "check_stats_enabled",
                  "failed to enable run_time_ns stats\n"))
                goto cleanup;

        CHECK(info.run_cnt != skel->bss->count, "check_run_cnt_valid",
              "invalid run_cnt stats\n");

cleanup:
        test_enable_stats__destroy(skel);
        close(stats_fd);
}