FIX: PAL - list of failed tests
[csit.git] / resources / tools / presentation / generator_tables.py
index 9b9f09f..40eda7b 100644 (file)
@@ -1,4 +1,4 @@
-# Copyright (c) 2017 Cisco and/or its affiliates.
+# Copyright (c) 2018 Cisco and/or its affiliates.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at:
 
 import logging
 import csv
-import prettytable
 import pandas as pd
 
 from string import replace
-from math import isnan
+from collections import OrderedDict
+from numpy import nan, isnan
 from xml.etree import ElementTree as ET
 
 from errors import PresentationError
-from utils import mean, stdev, relative_change, remove_outliers, split_outliers
+from utils import mean, stdev, relative_change, classify_anomalies, \
+    convert_csv_to_pretty_txt
 
 
 def generate_tables(spec, data):
@@ -41,9 +42,9 @@ def generate_tables(spec, data):
     for table in spec.tables:
         try:
             eval(table["algorithm"])(table, data)
-        except NameError:
-            logging.error("The algorithm '{0}' is not defined.".
-                          format(table["algorithm"]))
+        except NameError as err:
+            logging.error("Probably algorithm '{alg}' is not defined: {err}".
+                          format(alg=table["algorithm"], err=repr(err)))
     logging.info("Done.")
 
 
@@ -61,6 +62,8 @@ def table_details(table, input_data):
                  format(table.get("title", "")))
 
     # Transform the data
+    logging.info("    Creating the data set for the {0} '{1}'.".
+                 format(table.get("type", ""), table.get("title", "")))
     data = input_data.filter_data(table)
 
     # Prepare the header of the tables
@@ -127,10 +130,14 @@ def table_merged_details(table, input_data):
                  format(table.get("title", "")))
 
     # Transform the data
+    logging.info("    Creating the data set for the {0} '{1}'.".
+                 format(table.get("type", ""), table.get("title", "")))
     data = input_data.filter_data(table)
     data = input_data.merge_data(data)
     data.sort_index(inplace=True)
 
+    logging.info("    Creating the data set for the {0} '{1}'.".
+                 format(table.get("type", ""), table.get("title", "")))
     suites = input_data.filter_data(table, data_set="suites")
     suites = input_data.merge_data(suites)
 
@@ -224,6 +231,8 @@ def table_performance_improvements(table, input_data):
         return None
 
     # Transform the data
+    logging.info("    Creating the data set for the {0} '{1}'.".
+                 format(table.get("type", ""), table.get("title", "")))
     data = input_data.filter_data(table)
 
     # Prepare the header of the tables
@@ -355,16 +364,26 @@ def table_performance_comparison(table, input_data):
                  format(table.get("title", "")))
 
     # Transform the data
+    logging.info("    Creating the data set for the {0} '{1}'.".
+                 format(table.get("type", ""), table.get("title", "")))
     data = input_data.filter_data(table, continue_on_error=True)
 
     # Prepare the header of the tables
     try:
-        header = ["Test case",
-                  "{0} Throughput [Mpps]".format(table["reference"]["title"]),
-                  "{0} stdev [Mpps]".format(table["reference"]["title"]),
-                  "{0} Throughput [Mpps]".format(table["compare"]["title"]),
-                  "{0} stdev [Mpps]".format(table["compare"]["title"]),
-                  "Change [%]"]
+        header = ["Test case", ]
+
+        history = table.get("history", None)
+        if history:
+            for item in history:
+                header.extend(
+                    ["{0} Throughput [Mpps]".format(item["title"]),
+                     "{0} Stdev [Mpps]".format(item["title"])])
+        header.extend(
+            ["{0} Throughput [Mpps]".format(table["reference"]["title"]),
+             "{0} Stdev [Mpps]".format(table["reference"]["title"]),
+             "{0} Throughput [Mpps]".format(table["compare"]["title"]),
+             "{0} Stdev [Mpps]".format(table["compare"]["title"]),
+             "Change [%]"])
         header_str = ",".join(header) + "\n"
     except (AttributeError, KeyError) as err:
         logging.error("The model is invalid, missing parameter: {0}".
@@ -399,29 +418,53 @@ def table_performance_comparison(table, input_data):
                     pass
                 except TypeError:
                     tbl_dict.pop(tst_name, None)
+    if history:
+        for item in history:
+            for job, builds in item["data"].items():
+                for build in builds:
+                    for tst_name, tst_data in data[job][str(build)].iteritems():
+                        if tbl_dict.get(tst_name, None) is None:
+                            continue
+                        if tbl_dict[tst_name].get("history", None) is None:
+                            tbl_dict[tst_name]["history"] = OrderedDict()
+                        if tbl_dict[tst_name]["history"].get(item["title"],
+                                                             None) is None:
+                            tbl_dict[tst_name]["history"][item["title"]] = \
+                                list()
+                        try:
+                            tbl_dict[tst_name]["history"][item["title"]].\
+                                append(tst_data["throughput"]["value"])
+                        except (TypeError, KeyError):
+                            pass
 
     tbl_lst = list()
     for tst_name in tbl_dict.keys():
         item = [tbl_dict[tst_name]["name"], ]
-        if tbl_dict[tst_name]["ref-data"]:
-            data_t = remove_outliers(tbl_dict[tst_name]["ref-data"],
-                                     outlier_constant=table["outlier-const"])
-            # TODO: Specify window size.
+        if history:
+            if tbl_dict[tst_name].get("history", None) is not None:
+                for hist_data in tbl_dict[tst_name]["history"].values():
+                    if hist_data:
+                        item.append(round(mean(hist_data) / 1000000, 2))
+                        item.append(round(stdev(hist_data) / 1000000, 2))
+                    else:
+                        item.extend([None, None])
+            else:
+                item.extend([None, None])
+        data_t = tbl_dict[tst_name]["ref-data"]
+        if data_t:
             item.append(round(mean(data_t) / 1000000, 2))
             item.append(round(stdev(data_t) / 1000000, 2))
         else:
             item.extend([None, None])
-        if tbl_dict[tst_name]["cmp-data"]:
-            data_t = remove_outliers(tbl_dict[tst_name]["cmp-data"],
-                                     outlier_constant=table["outlier-const"])
-            # TODO: Specify window size.
+        data_t = tbl_dict[tst_name]["cmp-data"]
+        if data_t:
             item.append(round(mean(data_t) / 1000000, 2))
             item.append(round(stdev(data_t) / 1000000, 2))
         else:
             item.extend([None, None])
-        if item[1] is not None and item[3] is not None:
-            item.append(int(relative_change(float(item[1]), float(item[3]))))
-        if len(item) == 6:
+        if item[-4] is not None and item[-2] is not None and item[-4] != 0:
+            item.append(int(relative_change(float(item[-4]), float(item[-2]))))
+        if len(item) == len(header):
             tbl_lst.append(item)
 
     # Sort the table according to the relative change
@@ -463,18 +506,8 @@ def table_performance_comparison(table, input_data):
                      ]
 
     for i, txt_name in enumerate(tbl_names_txt):
-        txt_table = None
         logging.info("      Writing file: '{0}'".format(txt_name))
-        with open(tbl_names[i], 'rb') as csv_file:
-            csv_content = csv.reader(csv_file, delimiter=',', quotechar='"')
-            for row in csv_content:
-                if txt_table is None:
-                    txt_table = prettytable.PrettyTable(row)
-                else:
-                    txt_table.add_row(row)
-            txt_table.align["Test case"] = "l"
-        with open(txt_name, "w") as txt_file:
-            txt_file.write(str(txt_table))
+        convert_csv_to_pretty_txt(tbl_names[i], txt_name)
 
     # Selected tests in csv:
     input_file = "{0}-ndr-1t1c-full{1}".format(table["output-file"],
@@ -546,6 +579,8 @@ def table_performance_comparison_mrr(table, input_data):
                  format(table.get("title", "")))
 
     # Transform the data
+    logging.info("    Creating the data set for the {0} '{1}'.".
+                 format(table.get("type", ""), table.get("title", "")))
     data = input_data.filter_data(table, continue_on_error=True)
 
     # Prepare the header of the tables
@@ -594,18 +629,14 @@ def table_performance_comparison_mrr(table, input_data):
     tbl_lst = list()
     for tst_name in tbl_dict.keys():
         item = [tbl_dict[tst_name]["name"], ]
-        if tbl_dict[tst_name]["ref-data"]:
-            data_t = remove_outliers(tbl_dict[tst_name]["ref-data"],
-                                     outlier_const=table["outlier-const"])
-            # TODO: Specify window size.
+        data_t = tbl_dict[tst_name]["ref-data"]
+        if data_t:
             item.append(round(mean(data_t) / 1000000, 2))
             item.append(round(stdev(data_t) / 1000000, 2))
         else:
             item.extend([None, None])
-        if tbl_dict[tst_name]["cmp-data"]:
-            data_t = remove_outliers(tbl_dict[tst_name]["cmp-data"],
-                                     outlier_const=table["outlier-const"])
-            # TODO: Specify window size.
+        data_t = tbl_dict[tst_name]["cmp-data"]
+        if data_t:
             item.append(round(mean(data_t) / 1000000, 2))
             item.append(round(stdev(data_t) / 1000000, 2))
         else:
@@ -644,22 +675,13 @@ def table_performance_comparison_mrr(table, input_data):
                      ]
 
     for i, txt_name in enumerate(tbl_names_txt):
-        txt_table = None
         logging.info("      Writing file: '{0}'".format(txt_name))
-        with open(tbl_names[i], 'rb') as csv_file:
-            csv_content = csv.reader(csv_file, delimiter=',', quotechar='"')
-            for row in csv_content:
-                if txt_table is None:
-                    txt_table = prettytable.PrettyTable(row)
-                else:
-                    txt_table.add_row(row)
-            txt_table.align["Test case"] = "l"
-        with open(txt_name, "w") as txt_file:
-            txt_file.write(str(txt_table))
+        convert_csv_to_pretty_txt(tbl_names[i], txt_name)
 
 
 def table_performance_trending_dashboard(table, input_data):
-    """Generate the table(s) with algorithm: table_performance_comparison
+    """Generate the table(s) with algorithm:
+    table_performance_trending_dashboard
     specified in the specification file.
 
     :param table: Table to generate.
@@ -672,15 +694,17 @@ def table_performance_trending_dashboard(table, input_data):
                  format(table.get("title", "")))
 
     # Transform the data
+    logging.info("    Creating the data set for the {0} '{1}'.".
+                 format(table.get("type", ""), table.get("title", "")))
     data = input_data.filter_data(table, continue_on_error=True)
 
     # Prepare the header of the tables
     header = ["Test Case",
-              "Throughput Trend [Mpps]",
-              "Trend Compliance",
-              "Top Anomaly [Mpps]",
-              "Change [%]",
-              "Outliers [Number]"
+              "Trend [Mpps]",
+              "Short-Term Change [%]",
+              "Long-Term Change [%]",
+              "Regressions [#]",
+              "Progressions [#]"
               ]
     header_str = ",".join(header) + "\n"
 
@@ -689,12 +713,14 @@ def table_performance_trending_dashboard(table, input_data):
     for job, builds in table["data"].items():
         for build in builds:
             for tst_name, tst_data in data[job][str(build)].iteritems():
+                if tst_name.lower() in table["ignore-list"]:
+                    continue
                 if tbl_dict.get(tst_name, None) is None:
                     name = "{0}-{1}".format(tst_data["parent"].split("-")[0],
                                             "-".join(tst_data["name"].
                                                      split("-")[1:]))
                     tbl_dict[tst_name] = {"name": name,
-                                          "data": dict()}
+                                          "data": OrderedDict()}
                 try:
                     tbl_dict[tst_name]["data"][str(build)] =  \
                         tst_data["result"]["throughput"]
@@ -703,168 +729,153 @@ def table_performance_trending_dashboard(table, input_data):
 
     tbl_lst = list()
     for tst_name in tbl_dict.keys():
-        if len(tbl_dict[tst_name]["data"]) > 2:
-
-            pd_data = pd.Series(tbl_dict[tst_name]["data"])
-            win_size = pd_data.size \
-                if pd_data.size < table["window"] else table["window"]
-            # Test name:
-            name = tbl_dict[tst_name]["name"]
-
-            median = pd_data.rolling(window=win_size, min_periods=2).median()
-            trimmed_data, _ = split_outliers(pd_data, outlier_const=1.5,
-                                             window=win_size)
-            stdev_t = pd_data.rolling(window=win_size, min_periods=2).std()
-
-            rel_change_lst = [None, ]
-            classification_lst = [None, ]
-            median_lst = [None, ]
-            sample_lst = [None, ]
-            first = True
-            for build_nr, value in pd_data.iteritems():
-                if first:
-                    first = False
-                    continue
-                # Relative changes list:
-                if not isnan(value) \
-                        and not isnan(median[build_nr]) \
-                        and median[build_nr] != 0:
-                    rel_change_lst.append(round(
-                        relative_change(float(median[build_nr]), float(value)),
-                        2))
-                else:
-                    rel_change_lst.append(None)
-
-                # Classification list:
-                if isnan(trimmed_data[build_nr]) \
-                        or isnan(median[build_nr]) \
-                        or isnan(stdev_t[build_nr]) \
-                        or isnan(value):
-                    classification_lst.append("outlier")
-                elif value < (median[build_nr] - 3 * stdev_t[build_nr]):
-                    classification_lst.append("regression")
-                elif value > (median[build_nr] + 3 * stdev_t[build_nr]):
-                    classification_lst.append("progression")
-                else:
-                    classification_lst.append("normal")
-                sample_lst.append(value)
-                median_lst.append(median[build_nr])
-
-            last_idx = len(classification_lst) - 1
-            first_idx = last_idx - int(table["evaluated-window"])
-            if first_idx < 0:
-                first_idx = 0
-
-            nr_outliers = 0
-            consecutive_outliers = 0
-            failure = False
-            for item in classification_lst[first_idx:]:
-                if item == "outlier":
-                    nr_outliers += 1
-                    consecutive_outliers += 1
-                    if consecutive_outliers == 3:
-                        failure = True
-                else:
-                    consecutive_outliers = 0
-
-            if failure:
-                classification = "failure"
-            elif "regression" in classification_lst[first_idx:]:
-                classification = "regression"
-            elif "progression" in classification_lst[first_idx:]:
-                classification = "progression"
-            else:
-                classification = "normal"
+        if len(tbl_dict[tst_name]["data"]) < 2:
+            continue
+
+        data_t = pd.Series(tbl_dict[tst_name]["data"])
+
+        classification_lst, avgs = classify_anomalies(data_t)
+
+        win_size = min(data_t.size, table["window"])
+        long_win_size = min(data_t.size, table["long-trend-window"])
+        try:
+            max_long_avg = max(
+                [x for x in avgs[-long_win_size:-win_size]
+                 if not isnan(x)])
+        except ValueError:
+            max_long_avg = nan
+        last_avg = avgs[-1]
+        avg_week_ago = avgs[max(-win_size, -len(avgs))]
+
+        if isnan(last_avg) or isnan(avg_week_ago) or avg_week_ago == 0.0:
+            rel_change_last = nan
+        else:
+            rel_change_last = round(
+                ((last_avg - avg_week_ago) / avg_week_ago) * 100, 2)
+
+        if isnan(max_long_avg) or isnan(last_avg) or max_long_avg == 0.0:
+            rel_change_long = nan
+        else:
+            rel_change_long = round(
+                ((last_avg - max_long_avg) / max_long_avg) * 100, 2)
+
+        if classification_lst:
+            if isnan(rel_change_last) and isnan(rel_change_long):
+                continue
+            tbl_lst.append(
+                [tbl_dict[tst_name]["name"],
+                 '-' if isnan(last_avg) else
+                 round(last_avg / 1000000, 2),
+                 '-' if isnan(rel_change_last) else rel_change_last,
+                 '-' if isnan(rel_change_long) else rel_change_long,
+                 classification_lst[-win_size:].count("regression"),
+                 classification_lst[-win_size:].count("progression")])
+
+    tbl_lst.sort(key=lambda rel: rel[0])
 
-            if classification == "normal":
-                index = len(classification_lst) - 1
-            else:
-                tmp_classification = "outlier" if classification == "failure" \
-                    else classification
-                for idx in range(first_idx, len(classification_lst)):
-                    if classification_lst[idx] == tmp_classification:
-                        index = idx
-                        break
-                for idx in range(index+1, len(classification_lst)):
-                    if classification_lst[idx] == tmp_classification:
-                        if rel_change_lst[idx] > rel_change_lst[index]:
-                            index = idx
-
-            # if "regression" in classification_lst[first_idx:]:
-            #     classification = "regression"
-            # elif "outlier" in classification_lst[first_idx:]:
-            #     classification = "outlier"
-            # elif "progression" in classification_lst[first_idx:]:
-            #     classification = "progression"
-            # elif "normal" in classification_lst[first_idx:]:
-            #     classification = "normal"
-            # else:
-            #     classification = None
-            #
-            # nr_outliers = 0
-            # consecutive_outliers = 0
-            # failure = False
-            # for item in classification_lst[first_idx:]:
-            #     if item == "outlier":
-            #         nr_outliers += 1
-            #         consecutive_outliers += 1
-            #         if consecutive_outliers == 3:
-            #             failure = True
-            #     else:
-            #         consecutive_outliers = 0
-            #
-            # idx = len(classification_lst) - 1
-            # while idx:
-            #     if classification_lst[idx] == classification:
-            #         break
-            #     idx -= 1
-            #
-            # if failure:
-            #     classification = "failure"
-            # elif classification == "outlier":
-            #     classification = "normal"
-
-            trend = round(float(median_lst[-1]) / 1000000, 2) \
-                if not isnan(median_lst[-1]) else ''
-            sample = round(float(sample_lst[index]) / 1000000, 2) \
-                if not isnan(sample_lst[index]) else ''
-            rel_change = rel_change_lst[index] \
-                if rel_change_lst[index] is not None else ''
-            tbl_lst.append([name,
-                            trend,
-                            classification,
-                            '-' if classification == "normal" else sample,
-                            '-' if classification == "normal" else rel_change,
-                            nr_outliers])
-
-    # Sort the table according to the classification
     tbl_sorted = list()
-    for classification in ("failure", "regression", "progression", "normal"):
-        tbl_tmp = [item for item in tbl_lst if item[2] == classification]
-        tbl_tmp.sort(key=lambda rel: rel[0])
-        tbl_sorted.extend(tbl_tmp)
+    for nrr in range(table["window"], -1, -1):
+        tbl_reg = [item for item in tbl_lst if item[4] == nrr]
+        for nrp in range(table["window"], -1, -1):
+            tbl_out = [item for item in tbl_reg if item[5] == nrp]
+            tbl_out.sort(key=lambda rel: rel[2])
+            tbl_sorted.extend(tbl_out)
 
     file_name = "{0}{1}".format(table["output-file"], table["output-file-ext"])
 
-    logging.info("      Writing file: '{0}'".format(file_name))
+    logging.info("    Writing file: '{0}'".format(file_name))
     with open(file_name, "w") as file_handler:
         file_handler.write(header_str)
         for test in tbl_sorted:
             file_handler.write(",".join([str(item) for item in test]) + '\n')
 
     txt_file_name = "{0}.txt".format(table["output-file"])
-    txt_table = None
-    logging.info("      Writing file: '{0}'".format(txt_file_name))
-    with open(file_name, 'rb') as csv_file:
-        csv_content = csv.reader(csv_file, delimiter=',', quotechar='"')
-        for row in csv_content:
-            if txt_table is None:
-                txt_table = prettytable.PrettyTable(row)
-            else:
-                txt_table.add_row(row)
-        txt_table.align["Test case"] = "l"
-    with open(txt_file_name, "w") as txt_file:
-        txt_file.write(str(txt_table))
+    logging.info("    Writing file: '{0}'".format(txt_file_name))
+    convert_csv_to_pretty_txt(file_name, txt_file_name)
+
+
+def _generate_url(base, test_name):
+    """Generate URL to a trending plot from the name of the test case.
+
+    :param base: The base part of URL common to all test cases.
+    :param test_name: The name of the test case.
+    :type base: str
+    :type test_name: str
+    :returns: The URL to the plot with the trending data for the given test
+        case.
+    :rtype str
+    """
+
+    url = base
+    file_name = ""
+    anchor = "#"
+    feature = ""
+
+    if "lbdpdk" in test_name or "lbvpp" in test_name:
+        file_name = "link_bonding.html"
+
+    elif "testpmd" in test_name or "l3fwd" in test_name:
+        file_name = "dpdk.html"
+
+    elif "memif" in test_name:
+        file_name = "container_memif.html"
+
+    elif "srv6" in test_name:
+        file_name = "srv6.html"
+
+    elif "vhost" in test_name:
+        if "l2xcbase" in test_name or "l2bdbasemaclrn" in test_name:
+            file_name = "vm_vhost_l2.html"
+        elif "ip4base" in test_name:
+            file_name = "vm_vhost_ip4.html"
+
+    elif "ipsec" in test_name:
+        file_name = "ipsec.html"
+
+    elif "ethip4lispip" in test_name or "ethip4vxlan" in test_name:
+        file_name = "ip4_tunnels.html"
+
+    elif "ip4base" in test_name or "ip4scale" in test_name:
+        file_name = "ip4.html"
+        if "iacl" in test_name or "snat" in test_name or "cop" in test_name:
+            feature = "-features"
+
+    elif "ip6base" in test_name or "ip6scale" in test_name:
+        file_name = "ip6.html"
+
+    elif "l2xcbase" in test_name or "l2xcscale" in test_name \
+            or "l2bdbasemaclrn" in test_name or "l2bdscale" in test_name \
+            or "l2dbbasemaclrn" in test_name or "l2dbscale" in test_name:
+        file_name = "l2.html"
+        if "iacl" in test_name:
+            feature = "-features"
+
+    if "x520" in test_name:
+        anchor += "x520-"
+    elif "x710" in test_name:
+        anchor += "x710-"
+    elif "xl710" in test_name:
+        anchor += "xl710-"
+
+    if "64b" in test_name:
+        anchor += "64b-"
+    elif "78b" in test_name:
+        anchor += "78b-"
+    elif "imix" in test_name:
+        anchor += "imix-"
+    elif "9000b" in test_name:
+        anchor += "9000b-"
+    elif "1518" in test_name:
+        anchor += "1518b-"
+
+    if "1t1c" in test_name:
+        anchor += "1t1c"
+    elif "2t2c" in test_name:
+        anchor += "2t2c"
+    elif "4t4c" in test_name:
+        anchor += "4t4c"
+
+    return url + file_name + anchor + feature
 
 
 def table_performance_trending_dashboard_html(table, input_data):
@@ -904,8 +915,17 @@ def table_performance_trending_dashboard_html(table, input_data):
         th.text = item
 
     # Rows:
+    colors = {"regression": ("#ffcccc", "#ff9999"),
+              "progression": ("#c6ecc6", "#9fdf9f"),
+              "normal": ("#e9f1fb", "#d4e4f7")}
     for r_idx, row in enumerate(csv_lst[1:]):
-        background = "#D4E4F7" if r_idx % 2 else "white"
+        if int(row[4]):
+            color = "regression"
+        elif int(row[5]):
+            color = "progression"
+        else:
+            color = "normal"
+        background = colors[color][r_idx % 2]
         tr = ET.SubElement(dashboard, "tr", attrib=dict(bgcolor=background))
 
         # Columns:
@@ -913,88 +933,165 @@ def table_performance_trending_dashboard_html(table, input_data):
             alignment = "left" if c_idx == 0 else "center"
             td = ET.SubElement(tr, "td", attrib=dict(align=alignment))
             # Name:
-            url = "../trending/"
-            file_name = ""
-            anchor = "#"
-            feature = ""
             if c_idx == 0:
-                if "memif" in item:
-                    file_name = "container_memif.html"
-
-                elif "vhost" in item:
-                    if "l2xcbase" in item or "l2bdbasemaclrn" in item:
-                        file_name = "vm_vhost_l2.html"
-                    elif "ip4base" in item:
-                        file_name = "vm_vhost_ip4.html"
-
-                elif "ipsec" in item:
-                    file_name = "ipsec.html"
-
-                elif "ethip4lispip" in item or "ethip4vxlan" in item:
-                    file_name = "ip4_tunnels.html"
-
-                elif "ip4base" in item or "ip4scale" in item:
-                    file_name = "ip4.html"
-                    if "iacl" in item or "snat" in item or "cop" in item:
-                        feature = "-features"
-
-                elif "ip6base" in item or "ip6scale" in item:
-                    file_name = "ip6.html"
-
-                elif "l2xcbase" in item or "l2xcscale" in item \
-                        or "l2bdbasemaclrn" in item or "l2bdscale" in item \
-                        or "l2dbbasemaclrn" in item or "l2dbscale" in item:
-                    file_name = "l2.html"
-                    if "iacl" in item:
-                        feature = "-features"
-
-                if "x520" in item:
-                    anchor += "x520-"
-                elif "x710" in item:
-                    anchor += "x710-"
-                elif "xl710" in item:
-                    anchor += "xl710-"
-
-                if "64b" in item:
-                    anchor += "64b-"
-                elif "78b" in item:
-                    anchor += "78b"
-                elif "imix" in item:
-                    anchor += "imix-"
-                elif "9000b" in item:
-                    anchor += "9000b-"
-                elif "1518" in item:
-                    anchor += "1518b-"
-
-                if "1t1c" in item:
-                    anchor += "1t1c"
-                elif "2t2c" in item:
-                    anchor += "2t2c"
-                elif "4t4c" in item:
-                    anchor += "4t4c"
-
-                url = url + file_name + anchor + feature
-
+                url = _generate_url("../trending/", item)
                 ref = ET.SubElement(td, "a", attrib=dict(href=url))
                 ref.text = item
-
-            if c_idx == 2:
-                if item == "regression":
-                    td.set("bgcolor", "#eca1a6")
-                elif item == "failure":
-                    td.set("bgcolor", "#d6cbd3")
-                elif item == "progression":
-                    td.set("bgcolor", "#bdcebe")
-            if c_idx > 0:
+            else:
                 td.text = item
-
     try:
         with open(table["output-file"], 'w') as html_file:
-            logging.info("      Writing file: '{0}'".
-                         format(table["output-file"]))
+            logging.info("    Writing file: '{0}'".format(table["output-file"]))
             html_file.write(".. raw:: html\n\n\t")
             html_file.write(ET.tostring(dashboard))
             html_file.write("\n\t<p><br><br></p>\n")
     except KeyError:
         logging.warning("The output file is not defined.")
         return
+
+
+def table_failed_tests(table, input_data):
+    """Generate the table(s) with algorithm: table_failed_tests
+    specified in the specification file.
+
+    :param table: Table to generate.
+    :param input_data: Data to process.
+    :type table: pandas.Series
+    :type input_data: InputData
+    """
+
+    logging.info("  Generating the table {0} ...".
+                 format(table.get("title", "")))
+
+    # Transform the data
+    logging.info("    Creating the data set for the {0} '{1}'.".
+                 format(table.get("type", ""), table.get("title", "")))
+    data = input_data.filter_data(table, continue_on_error=True)
+
+    # Prepare the header of the tables
+    header = ["Test Case",
+              "Failures [#]",
+              "Last Failure [Time]",
+              "Last Failure [VPP-Build-Id]",
+              "Last Failure [CSIT-Job-Build-Id]"]
+
+    # Generate the data for the table according to the model in the table
+    # specification
+    tbl_dict = dict()
+    for job, builds in table["data"].items():
+        for build in builds:
+            build = str(build)
+            for tst_name, tst_data in data[job][build].iteritems():
+                if tst_name.lower() in table["ignore-list"]:
+                    continue
+                if tbl_dict.get(tst_name, None) is None:
+                    name = "{0}-{1}".format(tst_data["parent"].split("-")[0],
+                                            "-".join(tst_data["name"].
+                                                     split("-")[1:]))
+                    tbl_dict[tst_name] = {"name": name,
+                                          "data": OrderedDict()}
+                try:
+                    tbl_dict[tst_name]["data"][build] = (
+                        tst_data["status"],
+                        input_data.metadata(job, build).get("generated", ""),
+                        input_data.metadata(job, build).get("version", ""),
+                        build)
+                except (TypeError, KeyError):
+                    pass  # No data in output.xml for this test
+
+    tbl_lst = list()
+    for tst_data in tbl_dict.values():
+        win_size = min(len(tst_data["data"]), table["window"])
+        fails_nr = 0
+        for val in tst_data["data"].values()[-win_size:]:
+            if val[0] == "FAIL":
+                fails_nr += 1
+                fails_last_date = val[1]
+                fails_last_vpp = val[2]
+                fails_last_csit = val[3]
+        if fails_nr:
+            tbl_lst.append([tst_data["name"],
+                            fails_nr,
+                            fails_last_date,
+                            fails_last_vpp,
+                            "mrr-daily-build-{0}".format(fails_last_csit)])
+
+    tbl_lst.sort(key=lambda rel: rel[2], reverse=True)
+    tbl_sorted = list()
+    for nrf in range(table["window"], -1, -1):
+        tbl_fails = [item for item in tbl_lst if item[1] == nrf]
+        tbl_sorted.extend(tbl_fails)
+    file_name = "{0}{1}".format(table["output-file"], table["output-file-ext"])
+
+    logging.info("    Writing file: '{0}'".format(file_name))
+    with open(file_name, "w") as file_handler:
+        file_handler.write(",".join(header) + "\n")
+        for test in tbl_sorted:
+            file_handler.write(",".join([str(item) for item in test]) + '\n')
+
+    txt_file_name = "{0}.txt".format(table["output-file"])
+    logging.info("    Writing file: '{0}'".format(txt_file_name))
+    convert_csv_to_pretty_txt(file_name, txt_file_name)
+
+
+def table_failed_tests_html(table, input_data):
+    """Generate the table(s) with algorithm: table_failed_tests_html
+    specified in the specification file.
+
+    :param table: Table to generate.
+    :param input_data: Data to process.
+    :type table: pandas.Series
+    :type input_data: InputData
+    """
+
+    logging.info("  Generating the table {0} ...".
+                 format(table.get("title", "")))
+
+    try:
+        with open(table["input-file"], 'rb') as csv_file:
+            csv_content = csv.reader(csv_file, delimiter=',', quotechar='"')
+            csv_lst = [item for item in csv_content]
+    except KeyError:
+        logging.warning("The input file is not defined.")
+        return
+    except csv.Error as err:
+        logging.warning("Not possible to process the file '{0}'.\n{1}".
+                        format(table["input-file"], err))
+        return
+
+    # Table:
+    failed_tests = ET.Element("table", attrib=dict(width="100%", border='0'))
+
+    # Table header:
+    tr = ET.SubElement(failed_tests, "tr", attrib=dict(bgcolor="#7eade7"))
+    for idx, item in enumerate(csv_lst[0]):
+        alignment = "left" if idx == 0 else "center"
+        th = ET.SubElement(tr, "th", attrib=dict(align=alignment))
+        th.text = item
+
+    # Rows:
+    colors = ("#e9f1fb", "#d4e4f7")
+    for r_idx, row in enumerate(csv_lst[1:]):
+        background = colors[r_idx % 2]
+        tr = ET.SubElement(failed_tests, "tr", attrib=dict(bgcolor=background))
+
+        # Columns:
+        for c_idx, item in enumerate(row):
+            alignment = "left" if c_idx == 0 else "center"
+            td = ET.SubElement(tr, "td", attrib=dict(align=alignment))
+            # Name:
+            if c_idx == 0:
+                url = _generate_url("../trending/", item)
+                ref = ET.SubElement(td, "a", attrib=dict(href=url))
+                ref.text = item
+            else:
+                td.text = item
+    try:
+        with open(table["output-file"], 'w') as html_file:
+            logging.info("    Writing file: '{0}'".format(table["output-file"]))
+            html_file.write(".. raw:: html\n\n\t")
+            html_file.write(ET.tostring(failed_tests))
+            html_file.write("\n\t<p><br><br></p>\n")
+    except KeyError:
+        logging.warning("The output file is not defined.")
+        return