Exemplo n.º 1
0
static char* test_recorded_values()
{
    load_histograms();
    struct hdr_iter iter;
    int index;

    // Raw Histogram
    hdr_iter_recorded_init(&iter, raw_histogram);

    index = 0;
    while (hdr_iter_next(&iter))
    {
        int64_t count_added_in_this_bucket = iter.specifics.recorded.count_added_in_this_iteration_step;
        if (index == 0)
        {
            mu_assert("Value at 0 is not 10000", count_added_in_this_bucket == 10000);
        }
        else
        {
            mu_assert("Value at 1 is not 1", count_added_in_this_bucket == 1);
        }

        index++;
    }
    mu_assert("Should have encountered 2 values", index == 2);

    // Corrected Histogram
    hdr_iter_recorded_init(&iter, cor_histogram);

    index = 0;
    int64_t total_added_count = 0;
    while (hdr_iter_next(&iter))
    {
        int64_t count_added_in_this_bucket = iter.specifics.recorded.count_added_in_this_iteration_step;
        if (index == 0)
        {
            mu_assert("Count at 0 is not 10000", count_added_in_this_bucket == 10000);
        }
        mu_assert("Count should not be 0", iter.count_at_index != 0);
        mu_assert("Count at value iterated to should be count added in this step",
                  iter.count_at_index == count_added_in_this_bucket);
        total_added_count += count_added_in_this_bucket;
        index++;
    }
    mu_assert("Total counts should be 20000", total_added_count == 20000);

    return 0;
}
Exemplo n.º 2
0
static char* log_reader_aggregates_into_single_histogram()
{
    const char* file_name = "histogram.log";
    hdr_timespec timestamp;
    hdr_timespec interval;

    hdr_gettime(&timestamp);
    interval.tv_sec = 5;
    interval.tv_nsec = 2000000;

    struct hdr_log_writer writer;
    struct hdr_log_reader reader;
    hdr_log_writer_init(&writer);
    hdr_log_reader_init(&reader);
    int rc = 0;

    FILE* log_file = fopen(file_name, "w+");

    hdr_log_write_header(&writer, log_file, "Test log", &timestamp);
    hdr_log_write(&writer, log_file, &timestamp, &interval, cor_histogram);
    hdr_log_write(&writer, log_file, &timestamp, &interval, raw_histogram);
    fflush(log_file);
    fclose(log_file);

    log_file = fopen(file_name, "r");

    struct hdr_histogram* histogram;
    hdr_alloc(INT64_C(3600) * 1000 * 1000, 3, &histogram);

    rc = hdr_log_read_header(&reader, log_file);
    mu_assert("Failed header read", validate_return_code(rc));
    rc = hdr_log_read(&reader, log_file, &histogram, NULL, NULL);
    mu_assert("Failed corrected read", validate_return_code(rc));
    rc = hdr_log_read(&reader, log_file, &histogram, NULL, NULL);
    mu_assert("Failed raw read", validate_return_code(rc));

    struct hdr_iter iter;
    hdr_iter_recorded_init(&iter, histogram);
    int64_t expected_total_count =
        raw_histogram->total_count + cor_histogram->total_count;

    mu_assert(
        "Total counts incorrect",
        compare_int64(histogram->total_count, expected_total_count));

    while (hdr_iter_next(&iter))
    {
        int64_t count = iter.count;
        int64_t value = iter.value;

        int64_t expected_count =
            hdr_count_at_value(raw_histogram, value) +
            hdr_count_at_value(cor_histogram, value);

        mu_assert("Incorrect count", compare_int64(count, expected_count));
    }

    fclose(log_file);
    remove(file_name);
    free(histogram);

    return 0;
}