Python HdrHistogram.decode_and_add方法代码示例

# 需要导入模块: from hdrh.histogram import HdrHistogram [as 别名]
# 或者: from hdrh.histogram.HdrHistogram import decode_and_add [as 别名]
    def consolidate_results(results):
        all_res = {'tool': 'wrk2'}
        total_count = len(results)
        if not total_count:
            return all_res

        for key in ['http_rps', 'http_total_req', 'http_sock_err',
                    'http_sock_timeout', 'http_throughput_kbytes']:
            all_res[key] = 0
            for item in results:
                if (key in item['results']):
                    all_res[key] += item['results'][key]
            all_res[key] = int(all_res[key])

        if 'latency_stats' in results[0]['results']:
            # for item in results:
            #     print item['results']['latency_stats']
            all_res['latency_stats'] = []
            histogram = HdrHistogram(1, 24 * 3600 * 1000 * 1000, 2)
            for item in results:
                histogram.decode_and_add(item['results']['latency_stats'])
            perc_list = [50, 75, 90, 99, 99.9, 99.99, 99.999]
            latency_dict = histogram.get_percentile_to_value_dict(perc_list)
            for key, value in latency_dict.iteritems():
                all_res['latency_stats'].append([key, value])
            all_res['latency_stats'].sort()

        return all_res

# 需要导入模块: from hdrh.histogram import HdrHistogram [as 别名]
# 或者: from hdrh.histogram.HdrHistogram import decode_and_add [as 别名]
    def consolidate_results(results):
        err_flag = False
        all_res = {'tool': 'wrk2'}
        total_count = len(results)
        if not total_count:
            return all_res

        for key in ['http_rps', 'http_total_req', 'http_sock_err',
                    'http_sock_timeout', 'http_throughput_kbytes']:
            all_res[key] = 0
            for item in results:
                all_res[key] += item['results'].get(key, 0)
            all_res[key] = int(all_res[key])

        if 'latency_stats' in results[0]['results']:
            # for item in results:
            #     print item['results']['latency_stats']
            all_res['latency_stats'] = []
            histogram = HdrHistogram(1, 24 * 3600 * 1000 * 1000, 2)
            for item in results:
                if 'latency_stats' in item['results']:
                    histogram.decode_and_add(item['results']['latency_stats'])
                else:
                    err_flag = True
            perc_list = [50, 75, 90, 99, 99.9, 99.99, 99.999]
            latency_dict = histogram.get_percentile_to_value_dict(perc_list)
            for key, value in latency_dict.iteritems():
                all_res['latency_stats'].append([key, value])
            all_res['latency_stats'].sort()

        if err_flag:
            LOG.warning('Unable to find latency_stats from the result dictionary, this '
                        'may indicate that the test application on VM exited abnormally.')

        return all_res

# 需要导入模块: from hdrh.histogram import HdrHistogram [as 别名]
# 或者: from hdrh.histogram.HdrHistogram import decode_and_add [as 别名]
def test_hdr_interop():
    # decode and add the encoded histograms
    histogram = HdrHistogram(LOWEST, HIGHEST, SIGNIFICANT)
    corrected_histogram = HdrHistogram(LOWEST, HIGHEST, SIGNIFICANT)
    histogram.decode_and_add(ENCODE_SAMPLES_HDRHISTOGRAM_C[0])
    corrected_histogram.decode_and_add(ENCODE_SAMPLES_HDRHISTOGRAM_C[1])

    # check the percentiles. min, max values match
    check_percentiles(histogram, corrected_histogram)

# 需要导入模块: from hdrh.histogram import HdrHistogram [as 别名]
# 或者: from hdrh.histogram.HdrHistogram import decode_and_add [as 别名]
def check_dec_perf():
    histogram = HdrHistogram(LOWEST, WRK2_MAX_LATENCY, 2)
    fill_start_index = (20 * histogram.counts_len) // 100
    fill_to_index = fill_start_index + (30 * histogram.counts_len) // 100
    fill_hist_counts(histogram, fill_to_index, fill_start_index)
    b64 = histogram.encode()

    # decode and add to self 1000 times
    start = datetime.datetime.now()
    for _ in range(1000):
        histogram.decode_and_add(b64)
    delta = datetime.datetime.now() - start
    print(delta)

# 需要导入模块: from hdrh.histogram import HdrHistogram [as 别名]
# 或者: from hdrh.histogram.HdrHistogram import decode_and_add [as 别名]
def test_hist_codec_partial():
    histogram = HdrHistogram(LOWEST, WRK2_MAX_LATENCY, SIGNIFICANT)

    partial_histogram = HdrHistogram(LOWEST, WRK2_MAX_LATENCY, SIGNIFICANT)

    # put some known numbers in the first half buckets
    half_count = partial_histogram.counts_len
    fill_hist_counts(partial_histogram, half_count)
    encoded = partial_histogram.encode()
    histogram.decode_and_add(encoded)

    # now verify that the partial counters are identical to the original
    check_hist_counts(histogram, half_count, multiplier=1)
    check_hist_counts(histogram, histogram.counts_len, start=half_count + 1, multiplier=0)

# 需要导入模块: from hdrh.histogram import HdrHistogram [as 别名]
# 或者: from hdrh.histogram.HdrHistogram import decode_and_add [as 别名]
def check_hist_codec_b64(word_size, b64_wrap):
    histogram = HdrHistogram(LOWEST, WRK2_MAX_LATENCY, SIGNIFICANT,
                             b64_wrap=b64_wrap,
                             word_size=word_size)
    # encode with all zero counters
    encoded = histogram.encode()
    # add back same histogram
    histogram.decode_and_add(encoded)
    # counters should remain zero
    check_hist_counts(histogram, histogram.counts_len, multiplier=0)
    # fill up the histogram
    fill_hist_counts(histogram, histogram.counts_len)
    encoded = histogram.encode()
    histogram.decode_and_add(encoded)
    check_hist_counts(histogram, histogram.counts_len, multiplier=2)