C-Dash: Add telemetry panel

Signed-off-by: Tibor Frank <tifrank@cisco.com>
Change-Id: Idee88c1da9bebd433fa47f5d983d432c54b5fbae
(cherry picked from commit 4d03dd53c2d77bf2e35a07ed3a5a95f323c3a370)

14 files changed, 1366 insertions, 280 deletions

diff --git a/csit.infra.dash/app/cdash/data/data.py b/csit.infra.dash/app/cdash/data/data.py
index 8d2ae965dd..7ddb44311a 100644
--- a/csit.infra.dash/app/cdash/data/data.py
+++ b/csit.infra.dash/app/cdash/data/data.py
@@ -135,8 +135,9 @@ class Data:
         :type last_modified_end: datetime, optional
         :type days: integer, optional
         :returns: List of file names.
-        :rtype: List
+        :rtype: list
         """
+        file_list = list()
         if days:
             last_modified_begin = datetime.now(tz=UTC) - timedelta(days=days)
         try:
@@ -215,9 +216,7 @@ class Data:
             if self._debug:
                 df.info(verbose=True, memory_usage='deep')
                 logging.info(
-                    u"\n"
-                    f"Creation of dataframe {path} took: {time() - start}"
-                    u"\n"
+                    f"\nCreation of dataframe {path} took: {time() - start}\n"
                 )
         except NoFilesFound as err:
             logging.error(f"No parquets found.\n{err}")
diff --git a/csit.infra.dash/app/cdash/data/data.yaml b/csit.infra.dash/app/cdash/data/data.yaml
index 396f1b1638..ec7f7ef1dd 100644
--- a/csit.infra.dash/app/cdash/data/data.yaml
+++ b/csit.infra.dash/app/cdash/data/data.yaml
@@ -51,6 +51,7 @@ trending-mrr:
     - result_receive_rate_rate_avg
     - result_receive_rate_rate_stdev
     - result_receive_rate_rate_unit
+    - telemetry
 trending-ndrpdr:
   path: s3://fdio-docs-s3-cloudfront-index/csit/parquet/trending
   columns:
@@ -77,6 +78,7 @@ trending-ndrpdr:
     - result_latency_forward_pdr_50_unit
     - result_latency_forward_pdr_10_hdrh
     - result_latency_forward_pdr_0_hdrh
+    - telemetry
 iterative-mrr:
   path: s3://fdio-docs-s3-cloudfront-index/csit/parquet/iterative_{release}
   columns:
diff --git a/csit.infra.dash/app/cdash/news/layout.py b/csit.infra.dash/app/cdash/news/layout.py
index 31712d6902..11151d727a 100644
--- a/csit.infra.dash/app/cdash/news/layout.py
+++ b/csit.infra.dash/app/cdash/news/layout.py
@@ -71,7 +71,11 @@ class Layout:
             debug=True
         ).read_stats(days=C.NEWS_TIME_PERIOD)
 
-        df_tst_info = pd.concat([data_mrr, data_ndrpdr], ignore_index=True)
+        df_tst_info = pd.concat(
+            [data_mrr, data_ndrpdr],
+            ignore_index=True,
+            copy=False
+        )
 
         # Prepare information for the control panel:
         self._jobs = sorted(list(df_tst_info["job"].unique()))
diff --git a/csit.infra.dash/app/cdash/report/layout.py b/csit.infra.dash/app/cdash/report/layout.py
index 64e3b8bcde..50cf092ae1 100644
--- a/csit.infra.dash/app/cdash/report/layout.py
+++ b/csit.infra.dash/app/cdash/report/layout.py
@@ -122,7 +122,8 @@ class Layout:
             data_ndrpdr["release"] = rls
             self._data = pd.concat(
                 [self._data, data_mrr, data_ndrpdr],
-                ignore_index=True
+                ignore_index=True,
+                copy=False
             )
 
         # Get structure of tests:
@@ -1251,7 +1252,7 @@ class Layout:
 
             if on_draw:
                 if store_sel:
-                    lg_selected = get_list_group_items(store_sel)
+                    lg_selected = get_list_group_items(store_sel, "sel-cl")
                     plotting_area = self._get_plotting_area(
                         store_sel,
                         bool(normalize),
diff --git a/csit.infra.dash/app/cdash/stats/layout.py b/csit.infra.dash/app/cdash/stats/layout.py
index 2b88caaf04..116185d62c 100644
--- a/csit.infra.dash/app/cdash/stats/layout.py
+++ b/csit.infra.dash/app/cdash/stats/layout.py
@@ -83,7 +83,11 @@ class Layout:
             debug=True
         ).read_stats(days=self._time_period)
 
-        df_tst_info = pd.concat([data_mrr, data_ndrpdr], ignore_index=True)
+        df_tst_info = pd.concat(
+            [data_mrr, data_ndrpdr],
+            ignore_index=True,
+            copy=False
+        )
 
         # Pre-process the data:
         data_stats = data_stats[~data_stats.job.str.contains("-verify-")]
diff --git a/csit.infra.dash/app/cdash/trending/graphs.py b/csit.infra.dash/app/cdash/trending/graphs.py
index fdad73b8c3..79e2697f54 100644
--- a/csit.infra.dash/app/cdash/trending/graphs.py
+++ b/csit.infra.dash/app/cdash/trending/graphs.py
@@ -45,14 +45,14 @@ def _get_hdrh_latencies(row: pd.Series, name: str) -> dict:
     return latencies
 
 
-def select_trending_data(data: pd.DataFrame, itm:dict) -> pd.DataFrame:
+def select_trending_data(data: pd.DataFrame, itm: dict) -> pd.DataFrame:
     """Select the data for graphs from the provided data frame.
 
     :param data: Data frame with data for graphs.
     :param itm: Item (in this case job name) which data will be selected from
         the input data frame.
     :type data: pandas.DataFrame
-    :type itm: str
+    :type itm: dict
     :returns: A data frame with selected data.
     :rtype: pandas.DataFrame
     """
@@ -84,206 +84,217 @@ def select_trending_data(data: pd.DataFrame, itm:dict) -> pd.DataFrame:
     return df
 
 
-def _generate_trending_traces(ttype: str, name: str, df: pd.DataFrame,
-    color: str, norm_factor: float) -> list:
-    """Generate the trending traces for the trending graph.
+def graph_trending(
+        data: pd.DataFrame,
+        sel: dict,
+        layout: dict,
+        normalize: bool
+    ) -> tuple:
+    """Generate the trending graph(s) - MRR, NDR, PDR and for PDR also Latences
+    (result_latency_forward_pdr_50_avg).
 
-    :param ttype: Test type (MRR, NDR, PDR).
-    :param name: The test name to be displayed as the graph title.
-    :param df: Data frame with test data.
-    :param color: The color of the trace (samples and trend line).
-    :param norm_factor: The factor used for normalization of the results to CPU
-        frequency set to Constants.NORM_FREQUENCY.
-    :type ttype: str
-    :type name: str
-    :type df: pandas.DataFrame
-    :type color: str
-    :type norm_factor: float
-    :returns: Traces (samples, trending line, anomalies)
-    :rtype: list
+    :param data: Data frame with test results.
+    :param sel: Selected tests.
+    :param layout: Layout of plot.ly graph.
+    :param normalize: If True, the data is normalized to CPU frquency
+        Constants.NORM_FREQUENCY.
+    :type data: pandas.DataFrame
+    :type sel: dict
+    :type layout: dict
+    :type normalize: bool
+    :returns: Trending graph(s)
+    :rtype: tuple(plotly.graph_objects.Figure, plotly.graph_objects.Figure)
     """
 
-    df = df.dropna(subset=[C.VALUE[ttype], ])
-    if df.empty:
-        return list()
+    if not sel:
+        return None, None
 
-    x_axis = df["start_time"].tolist()
-    if ttype == "pdr-lat":
-        y_data = [(itm / norm_factor) for itm in df[C.VALUE[ttype]].tolist()]
-    else:
-        y_data = [(itm * norm_factor) for itm in df[C.VALUE[ttype]].tolist()]
-
-    anomalies, trend_avg, trend_stdev = classify_anomalies(
-        {k: v for k, v in zip(x_axis, y_data)}
-    )
-
-    hover = list()
-    customdata = list()
-    customdata_samples = list()
-    for idx, (_, row) in enumerate(df.iterrows()):
-        d_type = "trex" if row["dut_type"] == "none" else row["dut_type"]
-        hover_itm = (
-            f"date: {row['start_time'].strftime('%Y-%m-%d %H:%M:%S')}<br>"
-            f"<prop> [{row[C.UNIT[ttype]]}]: {y_data[idx]:,.0f}<br>"
-            f"<stdev>"
-            f"{d_type}-ref: {row['dut_version']}<br>"
-            f"csit-ref: {row['job']}/{row['build']}<br>"
-            f"hosts: {', '.join(row['hosts'])}"
-        )
-        if ttype == "mrr":
-            stdev = (
-                f"stdev [{row['result_receive_rate_rate_unit']}]: "
-                f"{row['result_receive_rate_rate_stdev']:,.0f}<br>"
-            )
-        else:
-            stdev = ""
-        hover_itm = hover_itm.replace(
-            "<prop>", "latency" if ttype == "pdr-lat" else "average"
-        ).replace("<stdev>", stdev)
-        hover.append(hover_itm)
+
+    def _generate_trending_traces(
+            ttype: str,
+            name: str,
+            df: pd.DataFrame,
+            color: str,
+            norm_factor: float
+        ) -> list:
+        """Generate the trending traces for the trending graph.
+
+        :param ttype: Test type (MRR, NDR, PDR).
+        :param name: The test name to be displayed as the graph title.
+        :param df: Data frame with test data.
+        :param color: The color of the trace (samples and trend line).
+        :param norm_factor: The factor used for normalization of the results to
+            CPU frequency set to Constants.NORM_FREQUENCY.
+        :type ttype: str
+        :type name: str
+        :type df: pandas.DataFrame
+        :type color: str
+        :type norm_factor: float
+        :returns: Traces (samples, trending line, anomalies)
+        :rtype: list
+        """
+
+        df = df.dropna(subset=[C.VALUE[ttype], ])
+        if df.empty:
+            return list()
+
+        x_axis = df["start_time"].tolist()
         if ttype == "pdr-lat":
-            customdata_samples.append(_get_hdrh_latencies(row, name))
-            customdata.append({"name": name})
+            y_data = [(v / norm_factor) for v in df[C.VALUE[ttype]].tolist()]
         else:
-            customdata_samples.append({"name": name, "show_telemetry": True})
-            customdata.append({"name": name})
-
-    hover_trend = list()
-    for avg, stdev, (_, row) in zip(trend_avg, trend_stdev, df.iterrows()):
-        d_type = "trex" if row["dut_type"] == "none" else row["dut_type"]
-        hover_itm = (
-            f"date: {row['start_time'].strftime('%Y-%m-%d %H:%M:%S')}<br>"
-            f"trend [pps]: {avg:,.0f}<br>"
-            f"stdev [pps]: {stdev:,.0f}<br>"
-            f"{d_type}-ref: {row['dut_version']}<br>"
-            f"csit-ref: {row['job']}/{row['build']}<br>"
-            f"hosts: {', '.join(row['hosts'])}"
-        )
-        if ttype == "pdr-lat":
-            hover_itm = hover_itm.replace("[pps]", "[us]")
-        hover_trend.append(hover_itm)
-
-    traces = [
-        go.Scatter(  # Samples
-            x=x_axis,
-            y=y_data,
-            name=name,
-            mode="markers",
-            marker={
-                "size": 5,
-                "color": color,
-                "symbol": "circle",
-            },
-            text=hover,
-            hoverinfo="text+name",
-            showlegend=True,
-            legendgroup=name,
-            customdata=customdata_samples
-        ),
-        go.Scatter(  # Trend line
-            x=x_axis,
-            y=trend_avg,
-            name=name,
-            mode="lines",
-            line={
-                "shape": "linear",
-                "width": 1,
-                "color": color,
-            },
-            text=hover_trend,
-            hoverinfo="text+name",
-            showlegend=False,
-            legendgroup=name,
-            customdata=customdata
+            y_data = [(v * norm_factor) for v in df[C.VALUE[ttype]].tolist()]
+
+        anomalies, trend_avg, trend_stdev = classify_anomalies(
+            {k: v for k, v in zip(x_axis, y_data)}
         )
-    ]
 
-    if anomalies:
-        anomaly_x = list()
-        anomaly_y = list()
-        anomaly_color = list()
         hover = list()
-        for idx, anomaly in enumerate(anomalies):
-            if anomaly in ("regression", "progression"):
-                anomaly_x.append(x_axis[idx])
-                anomaly_y.append(trend_avg[idx])
-                anomaly_color.append(C.ANOMALY_COLOR[anomaly])
-                hover_itm = (
-                    f"date: {x_axis[idx].strftime('%Y-%m-%d %H:%M:%S')}<br>"
-                    f"trend [pps]: {trend_avg[idx]:,.0f}<br>"
-                    f"classification: {anomaly}"
+        customdata = list()
+        customdata_samples = list()
+        for idx, (_, row) in enumerate(df.iterrows()):
+            d_type = "trex" if row["dut_type"] == "none" else row["dut_type"]
+            hover_itm = (
+                f"date: {row['start_time'].strftime('%Y-%m-%d %H:%M:%S')}<br>"
+                f"<prop> [{row[C.UNIT[ttype]]}]: {y_data[idx]:,.0f}<br>"
+                f"<stdev>"
+                f"{d_type}-ref: {row['dut_version']}<br>"
+                f"csit-ref: {row['job']}/{row['build']}<br>"
+                f"hosts: {', '.join(row['hosts'])}"
+            )
+            if ttype == "mrr":
+                stdev = (
+                    f"stdev [{row['result_receive_rate_rate_unit']}]: "
+                    f"{row['result_receive_rate_rate_stdev']:,.0f}<br>"
                 )
-                if ttype == "pdr-lat":
-                    hover_itm = hover_itm.replace("[pps]", "[us]")
-                hover.append(hover_itm)
-        anomaly_color.extend([0.0, 0.5, 1.0])
-        traces.append(
-            go.Scatter(
-                x=anomaly_x,
-                y=anomaly_y,
+            else:
+                stdev = ""
+            hover_itm = hover_itm.replace(
+                "<prop>", "latency" if ttype == "pdr-lat" else "average"
+            ).replace("<stdev>", stdev)
+            hover.append(hover_itm)
+            if ttype == "pdr-lat":
+                customdata_samples.append(_get_hdrh_latencies(row, name))
+                customdata.append({"name": name})
+            else:
+                customdata_samples.append(
+                    {"name": name, "show_telemetry": True}
+                )
+                customdata.append({"name": name})
+
+        hover_trend = list()
+        for avg, stdev, (_, row) in zip(trend_avg, trend_stdev, df.iterrows()):
+            d_type = "trex" if row["dut_type"] == "none" else row["dut_type"]
+            hover_itm = (
+                f"date: {row['start_time'].strftime('%Y-%m-%d %H:%M:%S')}<br>"
+                f"trend [pps]: {avg:,.0f}<br>"
+                f"stdev [pps]: {stdev:,.0f}<br>"
+                f"{d_type}-ref: {row['dut_version']}<br>"
+                f"csit-ref: {row['job']}/{row['build']}<br>"
+                f"hosts: {', '.join(row['hosts'])}"
+            )
+            if ttype == "pdr-lat":
+                hover_itm = hover_itm.replace("[pps]", "[us]")
+            hover_trend.append(hover_itm)
+
+        traces = [
+            go.Scatter(  # Samples
+                x=x_axis,
+                y=y_data,
+                name=name,
                 mode="markers",
+                marker={
+                    "size": 5,
+                    "color": color,
+                    "symbol": "circle",
+                },
                 text=hover,
                 hoverinfo="text+name",
-                showlegend=False,
+                showlegend=True,
                 legendgroup=name,
+                customdata=customdata_samples
+            ),
+            go.Scatter(  # Trend line
+                x=x_axis,
+                y=trend_avg,
                 name=name,
-                customdata=customdata,
-                marker={
-                    "size": 15,
-                    "symbol": "circle-open",
-                    "color": anomaly_color,
-                    "colorscale": C.COLORSCALE_LAT \
-                        if ttype == "pdr-lat" else C.COLORSCALE_TPUT,
-                    "showscale": True,
-                    "line": {
-                        "width": 2
-                    },
-                    "colorbar": {
-                        "y": 0.5,
-                        "len": 0.8,
-                        "title": "Circles Marking Data Classification",
-                        "titleside": "right",
-                        "tickmode": "array",
-                        "tickvals": [0.167, 0.500, 0.833],
-                        "ticktext": C.TICK_TEXT_LAT \
-                            if ttype == "pdr-lat" else C.TICK_TEXT_TPUT,
-                        "ticks": "",
-                        "ticklen": 0,
-                        "tickangle": -90,
-                        "thickness": 10
+                mode="lines",
+                line={
+                    "shape": "linear",
+                    "width": 1,
+                    "color": color,
+                },
+                text=hover_trend,
+                hoverinfo="text+name",
+                showlegend=False,
+                legendgroup=name,
+                customdata=customdata
+            )
+        ]
+
+        if anomalies:
+            anomaly_x = list()
+            anomaly_y = list()
+            anomaly_color = list()
+            hover = list()
+            for idx, anomaly in enumerate(anomalies):
+                if anomaly in ("regression", "progression"):
+                    anomaly_x.append(x_axis[idx])
+                    anomaly_y.append(trend_avg[idx])
+                    anomaly_color.append(C.ANOMALY_COLOR[anomaly])
+                    hover_itm = (
+                        f"date: {x_axis[idx].strftime('%Y-%m-%d %H:%M:%S')}<br>"
+                        f"trend [pps]: {trend_avg[idx]:,.0f}<br>"
+                        f"classification: {anomaly}"
+                    )
+                    if ttype == "pdr-lat":
+                        hover_itm = hover_itm.replace("[pps]", "[us]")
+                    hover.append(hover_itm)
+            anomaly_color.extend([0.0, 0.5, 1.0])
+            traces.append(
+                go.Scatter(
+                    x=anomaly_x,
+                    y=anomaly_y,
+                    mode="markers",
+                    text=hover,
+                    hoverinfo="text+name",
+                    showlegend=False,
+                    legendgroup=name,
+                    name=name,
+                    customdata=customdata,
+                    marker={
+                        "size": 15,
+                        "symbol": "circle-open",
+                        "color": anomaly_color,
+                        "colorscale": C.COLORSCALE_LAT \
+                            if ttype == "pdr-lat" else C.COLORSCALE_TPUT,
+                        "showscale": True,
+                        "line": {
+                            "width": 2
+                        },
+                        "colorbar": {
+                            "y": 0.5,
+                            "len": 0.8,
+                            "title": "Circles Marking Data Classification",
+                            "titleside": "right",
+                            "tickmode": "array",
+                            "tickvals": [0.167, 0.500, 0.833],
+                            "ticktext": C.TICK_TEXT_LAT \
+                                if ttype == "pdr-lat" else C.TICK_TEXT_TPUT,
+                            "ticks": "",
+                            "ticklen": 0,
+                            "tickangle": -90,
+                            "thickness": 10
+                        }
                     }
-                }
+                )
             )
-        )
 
-    return traces
+        return traces
 
 
-def graph_trending(data: pd.DataFrame, sel:dict, layout: dict,
-    normalize: bool) -> tuple:
-    """Generate the trending graph(s) - MRR, NDR, PDR and for PDR also Latences
-    (result_latency_forward_pdr_50_avg).
-
-    :param data: Data frame with test results.
-    :param sel: Selected tests.
-    :param layout: Layout of plot.ly graph.
-    :param normalize: If True, the data is normalized to CPU frquency
-        Constants.NORM_FREQUENCY.
-    :type data: pandas.DataFrame
-    :type sel: dict
-    :type layout: dict
-    :type normalize: bool
-    :returns: Trending graph(s)
-    :rtype: tuple(plotly.graph_objects.Figure, plotly.graph_objects.Figure)
-    """
-
-    if not sel:
-        return None, None
-
     fig_tput = None
     fig_lat = None
     for idx, itm in enumerate(sel):
-
         df = select_trending_data(data, itm)
         if df is None or df.empty:
             continue
@@ -393,3 +404,181 @@ def graph_hdrh_latency(data: dict, layout: dict) -> go.Figure:
             fig.update_layout(layout_hdrh)
 
     return fig
+
+
+def graph_tm_trending(data: pd.DataFrame, layout: dict) -> list:
+    """Generates one trending graph per test, each graph includes all selected
+    metrics.
+
+    :param data: Data frame with telemetry data.
+    :param layout: Layout of plot.ly graph.
+    :type data: pandas.DataFrame
+    :type layout: dict
+    :returns: List of generated graphs together with test names.
+        list(tuple(plotly.graph_objects.Figure(), str()), tuple(...), ...)
+    :rtype: list
+    """
+
+
+    def _generate_graph(
+            data: pd.DataFrame,
+            test: str,
+            layout: dict
+        ) -> go.Figure:
+        """Generates a trending graph for given test with all metrics.
+
+        :param data: Data frame with telemetry data for the given test.
+        :param test: The name of the test.
+        :param layout: Layout of plot.ly graph.
+        :type data: pandas.DataFrame
+        :type test: str
+        :type layout: dict
+        :returns: A trending graph.
+        :rtype: plotly.graph_objects.Figure
+        """
+        graph = None
+        traces = list()
+        for idx, metric in enumerate(data.tm_metric.unique()):
+            if "-pdr" in test and "='pdr'" not in metric:
+                continue
+            if "-ndr" in test and "='ndr'" not in metric:
+                continue
+
+            df = data.loc[(data["tm_metric"] == metric)]
+            x_axis = df["start_time"].tolist()
+            y_data = [float(itm) for itm in df["tm_value"].tolist()]
+            hover = list()
+            for i, (_, row) in enumerate(df.iterrows()):
+                hover.append(
+                    f"date: "
+                    f"{row['start_time'].strftime('%Y-%m-%d %H:%M:%S')}<br>"
+                    f"value: {y_data[i]:,.0f}<br>"
+                    f"{row['dut_type']}-ref: {row['dut_version']}<br>"
+                    f"csit-ref: {row['job']}/{row['build']}<br>"
+                )
+            if any(y_data):
+                anomalies, trend_avg, trend_stdev = classify_anomalies(
+                    {k: v for k, v in zip(x_axis, y_data)}
+                )
+                hover_trend = list()
+                for avg, stdev, (_, row) in \
+                        zip(trend_avg, trend_stdev, df.iterrows()):
+                    hover_trend.append(
+                        f"date: "
+                        f"{row['start_time'].strftime('%Y-%m-%d %H:%M:%S')}<br>"
+                        f"trend: {avg:,.0f}<br>"
+                        f"stdev: {stdev:,.0f}<br>"
+                        f"{row['dut_type']}-ref: {row['dut_version']}<br>"
+                        f"csit-ref: {row['job']}/{row['build']}"
+                    )
+            else:
+                anomalies = None
+            color = get_color(idx)
+            traces.append(
+                go.Scatter(  # Samples
+                    x=x_axis,
+                    y=y_data,
+                    name=metric,
+                    mode="markers",
+                    marker={
+                        "size": 5,
+                        "color": color,
+                        "symbol": "circle",
+                    },
+                    text=hover,
+                    hoverinfo="text+name",
+                    showlegend=True,
+                    legendgroup=metric
+                )
+            )
+            if anomalies:
+                traces.append(
+                    go.Scatter(  # Trend line
+                        x=x_axis,
+                        y=trend_avg,
+                        name=metric,
+                        mode="lines",
+                        line={
+                            "shape": "linear",
+                            "width": 1,
+                            "color": color,
+                        },
+                        text=hover_trend,
+                        hoverinfo="text+name",
+                        showlegend=False,
+                        legendgroup=metric
+                    )
+                )
+
+                anomaly_x = list()
+                anomaly_y = list()
+                anomaly_color = list()
+                hover = list()
+                for idx, anomaly in enumerate(anomalies):
+                    if anomaly in ("regression", "progression"):
+                        anomaly_x.append(x_axis[idx])
+                        anomaly_y.append(trend_avg[idx])
+                        anomaly_color.append(C.ANOMALY_COLOR[anomaly])
+                        hover_itm = (
+                            f"date: {x_axis[idx].strftime('%Y-%m-%d %H:%M:%S')}"
+                            f"<br>trend: {trend_avg[idx]:,.0f}"
+                            f"<br>classification: {anomaly}"
+                        )
+                        hover.append(hover_itm)
+                anomaly_color.extend([0.0, 0.5, 1.0])
+                traces.append(
+                    go.Scatter(
+                        x=anomaly_x,
+                        y=anomaly_y,
+                        mode="markers",
+                        text=hover,
+                        hoverinfo="text+name",
+                        showlegend=False,
+                        legendgroup=metric,
+                        name=metric,
+                        marker={
+                            "size": 15,
+                            "symbol": "circle-open",
+                            "color": anomaly_color,
+                            "colorscale": C.COLORSCALE_TPUT,
+                            "showscale": True,
+                            "line": {
+                                "width": 2
+                            },
+                            "colorbar": {
+                                "y": 0.5,
+                                "len": 0.8,
+                                "title": "Circles Marking Data Classification",
+                                "titleside": "right",
+                                "tickmode": "array",
+                                "tickvals": [0.167, 0.500, 0.833],
+                                "ticktext": C.TICK_TEXT_TPUT,
+                                "ticks": "",
+                                "ticklen": 0,
+                                "tickangle": -90,
+                                "thickness": 10
+                            }
+                        }
+                    )
+                )
+
+        if traces:
+            graph = go.Figure()
+            graph.add_traces(traces)
+            graph.update_layout(layout.get("plot-trending-telemetry", dict()))
+
+        return graph
+
+
+    tm_trending_graphs = list()
+
+    if data.empty:
+        return tm_trending_graphs
+
+    for test in data.test_name.unique():
+        df = data.loc[(data["test_name"] == test)]
+        graph = _generate_graph(df, test, layout)
+        if graph:
+            tm_trending_graphs.append((graph, test, ))
+
+    return tm_trending_graphs
diff --git a/csit.infra.dash/app/cdash/trending/layout.py b/csit.infra.dash/app/cdash/trending/layout.py
index 48b480193b..1866183da0 100644
--- a/csit.infra.dash/app/cdash/trending/layout.py
+++ b/csit.infra.dash/app/cdash/trending/layout.py
@@ -27,15 +27,18 @@ from dash import Input, Output, State
 from dash.exceptions import PreventUpdate
 from yaml import load, FullLoader, YAMLError
 from ast import literal_eval
+from copy import deepcopy
 
 from ..utils.constants import Constants as C
 from ..utils.control_panel import ControlPanel
 from ..utils.trigger import Trigger
+from ..utils.telemetry_data import TelemetryData
 from ..utils.utils import show_tooltip, label, sync_checklists, gen_new_url, \
     generate_options, get_list_group_items
 from ..utils.url_processing import url_decode
 from ..data.data import Data
-from .graphs import graph_trending, graph_hdrh_latency, select_trending_data
+from .graphs import graph_trending, graph_hdrh_latency, select_trending_data, \
+    graph_tm_trending
 
 
 # Control panel partameters and their default values.
@@ -119,7 +122,11 @@ class Layout:
             debug=True
         ).read_trending_ndrpdr(days=self._time_period)
 
-        self._data = pd.concat([data_mrr, data_ndrpdr], ignore_index=True)
+        self._data = pd.concat(
+            [data_mrr, data_ndrpdr],
+            ignore_index=True,
+            copy=False
+        )
 
         # Get structure of tests:
         tbs = dict()
@@ -251,6 +258,8 @@ class Layout:
                 children=[
                     dcc.Store(id="store-selected-tests"),
                     dcc.Store(id="store-control-panel"),
+                    dcc.Store(id="store-telemetry-data"),
+                    dcc.Store(id="store-telemetry-user"),
                     dcc.Location(id="url", refresh=False),
                     dbc.Row(
                         id="row-navbar",
@@ -278,7 +287,8 @@ class Layout:
                                 dbc.Row(id="metadata-tput-lat"),
                                 dbc.Row(id="metadata-hdrh-graph")
                             ]
-                        )
+                        ),
+                        delay_show=C.SPINNER_DELAY
                     )
                 ]
             )
@@ -333,30 +343,6 @@ class Layout:
             )
         ])
 
-    def _add_plotting_col(self) -> dbc.Col:
-        """Add column with plots and tables. It is placed on the right side.
-
-        :returns: Column with tables.
-        :rtype: dbc.Col
-        """
-        return dbc.Col(
-            id="col-plotting-area",
-            children=[
-                dbc.Spinner(
-                    children=[
-                        dbc.Row(
-                            id="plotting-area",
-                            class_name="g-0 p-0",
-                            children=[
-                                C.PLACEHOLDER
-                            ]
-                        )
-                    ]
-                )
-            ],
-            width=9
-        )
-
     def _add_ctrl_panel(self) -> list:
         """Add control panel.
 
@@ -671,13 +657,167 @@ class Layout:
             )
         ]
 
-    def _get_plotting_area(
+    def _add_plotting_col(self) -> dbc.Col:
+        """Add column with plots. It is placed on the right side.
+
+        :returns: Column with plots.
+        :rtype: dbc.Col
+        """
+        return dbc.Col(
+            id="col-plotting-area",
+            children=[
+                dbc.Spinner(
+                    dbc.Row(
+                        id="plotting-area-trending",
+                        class_name="g-0 p-0",
+                        children=C.PLACEHOLDER
+                    ),
+                    delay_show=C.SPINNER_DELAY
+                ),
+                dbc.Row(
+                    id="plotting-area-telemetry",
+                    class_name="g-0 p-0",
+                    children=C.PLACEHOLDER
+                ),
+                dbc.Row(
+                    id="plotting-area-buttons",
+                    class_name="g-0 p-0",
+                    children=C.PLACEHOLDER
+                )
+            ],
+            width=9
+        )
+
+    def _get_plotting_area_buttons(self) -> dbc.Col:
+        """Add buttons and modals to the plotting area.
+
+        :returns: A column with buttons and modals for telemetry.
+        :rtype: dbc.Col
+        """
+        return dbc.Col([
+            html.Div(
+                [
+                    dbc.Button(
+                        id={"type": "telemetry-btn", "index": "open"},
+                        children="Add Panel with Telemetry",
+                        class_name="me-1",
+                        color="info",
+                        style={
+                            "text-transform": "none",
+                            "padding": "0rem 1rem"
+                        }
+                    ),
+                    dbc.Modal(
+                        [
+                            dbc.ModalHeader(
+                                dbc.ModalTitle(
+                                    "Select a Metric"
+                                ),
+                                close_button=False
+                            ),
+                            dbc.Spinner(
+                                dbc.ModalBody(
+                                    id="plot-mod-telemetry-body-1",
+                                    children=self._get_telemetry_step_1()
+                                ),
+                                delay_show=2*C.SPINNER_DELAY
+                            ),
+                            dbc.ModalFooter([
+                                dbc.Button(
+                                    "Select",
+                                    id={
+                                        "type": "telemetry-btn",
+                                        "index": "select"
+                                    },
+                                    disabled=True
+                                ),
+                                dbc.Button(
+                                    "Cancel",
+                                    id={
+                                        "type": "telemetry-btn",
+                                        "index": "cancel"
+                                    },
+                                    disabled=False
+                                )
+                            ])
+                        ],
+                        id="plot-mod-telemetry-1",
+                        size="lg",
+                        is_open=False,
+                        scrollable=False,
+                        backdrop="static",
+                        keyboard=False
+                    ),
+                    dbc.Modal(
+                        [
+                            dbc.ModalHeader(
+                                dbc.ModalTitle(
+                                    "Select Labels"
+                                ),
+                                close_button=False
+                            ),
+                            dbc.Spinner(
+                                dbc.ModalBody(
+                                    id="plot-mod-telemetry-body-2",
+                                    children=self._get_telemetry_step_2()
+                                ),
+                                delay_show=2*C.SPINNER_DELAY
+                            ),
+                            dbc.ModalFooter([
+                                dbc.Button(
+                                    "Back",
+                                    id={
+                                        "type": "telemetry-btn",
+                                        "index": "back"
+                                    },
+                                    disabled=False
+                                ),
+                                dbc.Button(
+                                    "Add Telemetry",
+                                    id={
+                                        "type": "telemetry-btn",
+                                        "index": "add"
+                                    },
+                                    disabled=True
+                                ),
+                                dbc.Button(
+                                    "Cancel",
+                                    id={
+                                        "type": "telemetry-btn",
+                                        "index": "cancel"
+                                    },
+                                    disabled=False
+                                )
+                            ])
+                        ],
+                        id="plot-mod-telemetry-2",
+                        size="xl",
+                        is_open=False,
+                        scrollable=False,
+                        backdrop="static",
+                        keyboard=False
+                    )
+                ],
+                className="d-grid gap-0 d-md-flex justify-content-md-end"
+            )
+        ])
+
+    def _get_plotting_area_trending(
             self,
             tests: list,
             normalize: bool,
             url: str
-        ) -> list:
+        ) -> dbc.Col:
         """Generate the plotting area with all its content.
+
+        :param tests: A list of tests to be displayed in the trending graphs.
+        :param normalize: If True, the data in graphs is normalized.
+        :param url: An URL to be displayed in the modal window.
+        :type tests: list
+        :type normalize: bool
+        :type url: str
+        :returns: A collumn with trending graphs (tput and latency) in tabs.
+        :rtype: dbc.Col
         """
         if not tests:
             return C.PLACEHOLDER
@@ -711,13 +851,13 @@ class Layout:
             )
 
         trending = [
-            dbc.Row(
-                children=dbc.Tabs(
+            dbc.Row(children=[
+                dbc.Tabs(
                     children=tab_items,
                     id="tabs",
                     active_tab="tab-tput",
                 )
-            ),
+            ]),
             dbc.Row(
                 [
                     dbc.Col([html.Div(
@@ -762,12 +902,43 @@ class Layout:
             )
         ]
 
-        acc_items = [
-            dbc.AccordionItem(
-                title="Trending",
-                children=trending
+        return dbc.Col(
+            children=[
+                dbc.Row(
+                    dbc.Accordion(
+                        children=[
+                            dbc.AccordionItem(
+                                title="Trending",
+                                children=trending
+                            )
+                        ],
+                        class_name="g-0 p-1",
+                        start_collapsed=False,
+                        always_open=True,
+                        active_item=["item-0", ]
+                    ),
+                    class_name="g-0 p-0",
+                )
+            ]
+        )
+
+    def _get_plotting_area_telemetry(self, graphs: list) -> dbc.Col:
+        """Generate the plotting area with telemetry.
+        """
+        if not graphs:
+            return C.PLACEHOLDER
+        
+        acc_items = list()
+        for graph in graphs:
+            acc_items.append(
+                dbc.AccordionItem(
+                    title=f"Telemetry: {graph[1]}",
+                    children=dcc.Graph(
+                        id={"type": "graph-telemetry", "index": graph[1]},
+                        figure=graph[0]
+                    )
+                )
             )
-        ]
 
         return dbc.Col(
             children=[
@@ -780,45 +951,88 @@ class Layout:
                         active_item=[f"item-{i}" for i in range(len(acc_items))]
                     ),
                     class_name="g-0 p-0",
-                ),
-                # dbc.Row(
-                #     dbc.Col([html.Div(
-                #         [
-                #             dbc.Button(
-                #                 id="btn-add-telemetry",
-                #                 children="Add Panel with Telemetry",
-                #                 class_name="me-1",
-                #                 color="info",
-                #                 style={
-                #                     "text-transform": "none",
-                #                     "padding": "0rem 1rem"
-                #                 }
-                #             )
-                #         ],
-                #         className=\
-                #             "d-grid gap-0 d-md-flex justify-content-md-end"
-                #     )]),
-                #     class_name="g-0 p-0"
-                # )
+                )
             ]
         )
 
+    @staticmethod
+    def _get_telemetry_step_1() -> list:
+        """Return the content of the modal window used in the step 1 of metrics
+        selection.
+
+        :returns: A list of dbc rows with 'input' and 'search output'.
+        :rtype: list
+        """
+        return [
+            dbc.Row(
+                class_name="g-0 p-1",
+                children=[
+                    dbc.Input(
+                        id="telemetry-search-in",
+                        placeholder="Start typing a metric name...",
+                        type="text"
+                    )
+                ]
+            ),
+            dbc.Row(
+                class_name="g-0 p-1",
+                children=[
+                    dbc.ListGroup(
+                        class_name="overflow-auto p-0",
+                        id="telemetry-search-out",
+                        children=[],
+                        style={"max-height": "14em"},
+                        flush=True
+                    )
+                ]
+            )
+        ]
+
+    @staticmethod
+    def _get_telemetry_step_2() -> list:
+        """Return the content of the modal window used in the step 2 of metrics
+        selection.
+
+        :returns: A list of dbc rows with 'container with dynamic dropdowns' and
+            'search output'.
+        :rtype: list
+        """
+        return [
+            dbc.Row(
+                id="telemetry-dd",
+                class_name="g-0 p-1",
+                children=["Add content here."]
+            ),
+            dbc.Row(
+                class_name="g-0 p-1",
+                children=[
+                    dbc.Textarea(
+                        id="telemetry-list-metrics",
+                        rows=20,
+                        size="sm",
+                        wrap="off",
+                        readonly=True
+                    )
+                ]
+            )
+        ]
+
     def callbacks(self, app):
         """Callbacks for the whole application.
 
         :param app: The application.
         :type app: Flask
         """
-        
+
         @app.callback(
             [
                 Output("store-control-panel", "data"),
                 Output("store-selected-tests", "data"),
-                Output("plotting-area", "children"),
+                Output("plotting-area-trending", "children"),
+                Output("plotting-area-buttons", "children"),
                 Output("row-card-sel-tests", "style"),
                 Output("row-btns-sel-tests", "style"),
                 Output("lg-selected", "children"),
-
                 Output({"type": "ctrl-dd", "index": "dut"}, "value"),
                 Output({"type": "ctrl-dd", "index": "phy"}, "options"),
                 Output({"type": "ctrl-dd", "index": "phy"}, "disabled"),
@@ -852,11 +1066,11 @@ class Layout:
             [
                 Input("url", "href"),
                 Input("normalize", "value"),
-
                 Input({"type": "ctrl-dd", "index": ALL}, "value"),
                 Input({"type": "ctrl-cl", "index": ALL}, "value"),
                 Input({"type": "ctrl-btn", "index": ALL}, "n_clicks")
-            ]
+            ],
+            prevent_initial_call=True
         )
         def _update_application(
                 control_panel: dict,
@@ -879,11 +1093,6 @@ class Layout:
             else:
                 url_params = None
 
-            plotting_area = no_update
-            row_card_sel_tests = no_update
-            row_btns_sel_tests = no_update
-            lg_selected = no_update
-
             trigger = Trigger(callback_context.triggered)
 
             if trigger.type == "url" and url_params:
@@ -1124,11 +1333,11 @@ class Layout:
                     store_sel = new_store_sel
                 elif trigger.idx == "rm-test-all":
                     store_sel = list()
-                
+
             if on_draw:
                 if store_sel:
-                    lg_selected = get_list_group_items(store_sel)
-                    plotting_area = self._get_plotting_area(
+                    lg_selected = get_list_group_items(store_sel, "sel-cl")
+                    plotting_area_trending = self._get_plotting_area_trending(
                         store_sel,
                         bool(normalize),
                         gen_new_url(
@@ -1136,18 +1345,28 @@ class Layout:
                             {"store_sel": store_sel, "norm": normalize}
                         )
                     )
+                    plotting_area_buttons = self._get_plotting_area_buttons()
                     row_card_sel_tests = C.STYLE_ENABLED
                     row_btns_sel_tests = C.STYLE_ENABLED
                 else:
-                    plotting_area = C.PLACEHOLDER
+                    plotting_area_trending = C.PLACEHOLDER
+                    plotting_area_buttons = C.PLACEHOLDER
                     row_card_sel_tests = C.STYLE_DISABLED
                     row_btns_sel_tests = C.STYLE_DISABLED
+                    lg_selected = no_update
                     store_sel = list()
+            else:
+                plotting_area_trending = no_update
+                plotting_area_buttons = no_update
+                row_card_sel_tests = no_update
+                row_btns_sel_tests = no_update
+                lg_selected = no_update
 
             ret_val = [
                 ctrl_panel.panel,
                 store_sel,
-                plotting_area,
+                plotting_area_trending,
+                plotting_area_buttons,
                 row_card_sel_tests,
                 row_btns_sel_tests,
                 lg_selected
@@ -1157,8 +1376,8 @@ class Layout:
 
         @app.callback(
             Output("plot-mod-url", "is_open"),
-            [Input("plot-btn-url", "n_clicks")],
-            [State("plot-mod-url", "is_open")],
+            Input("plot-btn-url", "n_clicks"),
+            State("plot-mod-url", "is_open")
         )
         def toggle_plot_mod_url(n, is_open):
             """Toggle the modal window with url.
@@ -1168,6 +1387,289 @@ class Layout:
             return is_open
 
         @app.callback(
+            Output("store-telemetry-data", "data"),
+            Output("store-telemetry-user", "data"),
+            Output("telemetry-search-in", "value"),
+            Output("telemetry-search-out", "children"),
+            Output("telemetry-list-metrics", "value"),
+            Output("telemetry-dd", "children"),
+            Output("plotting-area-telemetry", "children"),
+            Output("plot-mod-telemetry-1", "is_open"),
+            Output("plot-mod-telemetry-2", "is_open"),
+            Output({"type": "telemetry-btn", "index": "select"}, "disabled"),
+            Output({"type": "telemetry-btn", "index": "add"}, "disabled"),
+            State("store-telemetry-data", "data"),
+            State("store-telemetry-user", "data"),
+            State("store-selected-tests", "data"),
+            Input({"type": "tele-cl", "index": ALL}, "value"),
+            Input("telemetry-search-in", "value"),
+            Input({"type": "telemetry-btn", "index": ALL}, "n_clicks"),
+            Input({"type": "tm-dd", "index": ALL}, "value"),
+            prevent_initial_call=True
+        )
+        def _update_plot_mod_telemetry(
+                tm_data: dict,
+                tm_user: dict,
+                store_sel: list,
+                cl_metrics: list,
+                search_in: str,
+                n_clicks: list,
+                tm_dd_in: list
+            ) -> tuple:
+            """Toggle the modal window with telemetry.
+            """
+
+            if not any(n_clicks):
+                raise PreventUpdate
+
+            if tm_user is None:
+                # Telemetry user data
+                # The data provided by user or result of user action
+                tm_user = {
+                    # List of unique metrics:
+                    "unique_metrics": list(),
+                    # List of metrics selected by user:
+                    "selected_metrics": list(),
+                    # Labels from metrics selected by user (key: label name,
+                    # value: list of all possible values):
+                    "unique_labels": dict(),
+                    # Labels selected by the user (subset of 'unique_labels'):
+                    "selected_labels": dict(),
+                    # All unique metrics with labels (output from the step 1)
+                    # converted from pandas dataframe to dictionary.
+                    "unique_metrics_with_labels": dict(),
+                    # Metrics with labels selected by the user using dropdowns.
+                    "selected_metrics_with_labels": dict()
+                }
+
+            tm = TelemetryData(tests=store_sel)
+            tm_json = no_update
+            search_out = no_update
+            list_metrics = no_update
+            tm_dd = no_update
+            plotting_area_telemetry = no_update
+            is_open = (False, False)
+            is_btn_disabled = (True, True)
+
+            trigger = Trigger(callback_context.triggered)
+            if trigger.type == "telemetry-btn":
+                if trigger.idx in ("open", "back"):
+                    tm.from_dataframe(self._data)
+                    tm_json = tm.to_json()
+                    tm_user["unique_metrics"] = tm.unique_metrics
+                    tm_user["selected_metrics"] = list()
+                    tm_user["unique_labels"] = dict()
+                    tm_user["selected_labels"] = dict()
+                    search_in = str()
+                    search_out = get_list_group_items(
+                        tm_user["unique_metrics"],
+                        "tele-cl",
+                        False
+                    )
+                    is_open = (True, False)
+                elif trigger.idx == "select":
+                    tm.from_json(tm_data)
+                    if any(cl_metrics):
+                        if not tm_user["selected_metrics"]:
+                            tm_user["selected_metrics"] = \
+                                tm_user["unique_metrics"]
+                        metrics = [a for a, b in \
+                            zip(tm_user["selected_metrics"], cl_metrics) if b]
+                        tm_user["selected_metrics"] = metrics
+                        tm_user["unique_labels"] = \
+                            tm.get_selected_labels(metrics)
+                        tm_user["unique_metrics_with_labels"] = \
+                            tm.unique_metrics_with_labels
+                        list_metrics = tm.str_metrics
+                        tm_dd = _get_dd_container(tm_user["unique_labels"])
+                        if list_metrics:
+                            is_btn_disabled = (True, False)
+                        is_open = (False, True)
+                    else:
+                        tm_user = None
+                        is_open = (False, False)
+                elif trigger.idx == "add":
+                    tm.from_json(tm_data)
+                    plotting_area_telemetry = self._get_plotting_area_telemetry(
+                        graph_tm_trending(
+                            tm.select_tm_trending_data(
+                                tm_user["selected_metrics_with_labels"]
+                            ),
+                            self._graph_layout)
+                    )
+                    tm_user = None
+                    is_open = (False, False)
+                elif trigger.idx == "cancel":
+                    tm_user = None
+                    is_open = (False, False)
+            elif trigger.type == "telemetry-search-in":
+                tm.from_metrics(tm_user["unique_metrics"])
+                tm_user["selected_metrics"] = \
+                    tm.search_unique_metrics(search_in)
+                search_out = get_list_group_items(
+                    tm_user["selected_metrics"],
+                    type="tele-cl",
+                    colorize=False
+                )
+                is_open = (True, False)
+            elif trigger.type == "tele-cl":
+                if any(cl_metrics):
+                    is_btn_disabled = (False, True)
+                is_open = (True, False)
+            elif trigger.type == "tm-dd":
+                tm.from_metrics_with_labels(
+                    tm_user["unique_metrics_with_labels"]
+                )
+                selected = dict()
+                previous_itm = None
+                for itm in tm_dd_in:
+                    if itm is None:
+                        show_new = True
+                    elif isinstance(itm, str):
+                        show_new = False
+                        selected[itm] = list()
+                    elif isinstance(itm, list):
+                        if previous_itm is not None:
+                            selected[previous_itm] = itm
+                        show_new = True
+                    previous_itm = itm
+
+                tm_dd = _get_dd_container(
+                    tm_user["unique_labels"],
+                    selected,
+                    show_new
+                )
+                sel_metrics = tm.filter_selected_metrics_by_labels(selected)
+                tm_user["selected_metrics_with_labels"] = sel_metrics.to_dict()
+                if not sel_metrics.empty:
+                    list_metrics = tm.metrics_to_str(sel_metrics)
+                else:
+                    list_metrics = str()
+                if list_metrics:
+                    is_btn_disabled = (True, False)
+                is_open = (False, True)
+
+            # Return values:
+            ret_val = [
+                tm_json,
+                tm_user,
+                search_in,
+                search_out,
+                list_metrics,
+                tm_dd,
+                plotting_area_telemetry
+            ]
+            ret_val.extend(is_open)
+            ret_val.extend(is_btn_disabled)
+            return ret_val
+
+        def _get_dd_container(
+                all_labels: dict,
+                selected_labels: dict=dict(),
+                show_new=True
+            ) -> list:
+            """Generate a container with dropdown selection boxes depenting on
+            the input data.
+
+            :param all_labels: A dictionary with unique labels and their
+                possible values.
+            :param selected_labels: A dictionalry with user selected lables and
+                their values.
+            :param show_new: If True, a dropdown selection box to add a new
+                label is displayed.
+            :type all_labels: dict
+            :type selected_labels: dict
+            :type show_new: bool
+            :returns: A list of dbc rows with dropdown selection boxes.
+            :rtype: list
+            """
+
+            def _row(
+                    id: str,
+                    lopts: list=list(),
+                    lval: str=str(),
+                    vopts: list=list(),
+                    vvals: list=list()
+                ) -> dbc.Row:
+                """Generates a dbc row with dropdown boxes.
+
+                :param id: A string added to the dropdown ID.
+                :param lopts: A list of options for 'label' dropdown.
+                :param lval: Value of 'label' dropdown.
+                :param vopts: A list of options for 'value' dropdown.
+                :param vvals: A list of values for 'value' dropdown.
+                :type id: str
+                :type lopts: list
+                :type lval: str
+                :type vopts: list
+                :type vvals: list
+                :returns: dbc row with dropdown boxes.
+                :rtype: dbc.Row
+                """
+                children = list()
+                if lopts:
+                    children.append(
+                        dbc.Col(
+                            width=6,
+                            children=[
+                                dcc.Dropdown(
+                                    id={
+                                        "type": "tm-dd",
+                                        "index": f"label-{id}"
+                                    },
+                                    placeholder="Select a label...",
+                                    optionHeight=20,
+                                    multi=False,
+                                    options=lopts,
+                                    value=lval if lval else None
+                                )
+                            ]
+                        )
+                    )
+                    if vopts:
+                        children.append(
+                            dbc.Col(
+                                width=6,
+                                children=[
+                                    dcc.Dropdown(
+                                        id={
+                                            "type": "tm-dd",
+                                            "index": f"value-{id}"
+                                        },
+                                        placeholder="Select a value...",
+                                        optionHeight=20,
+                                        multi=True,
+                                        options=vopts,
+                                        value=vvals if vvals else None
+                                    )
+                                ]
+                            )
+                        )
+
+                return dbc.Row(class_name="g-0 p-1", children=children)
+
+            container = list()
+
+            # Display rows with items in 'selected_labels'; label on the left,
+            # values on the right:
+            keys_left = list(all_labels.keys())
+            for idx, label in enumerate(selected_labels.keys()):
+                container.append(_row(
+                    id=idx,
+                    lopts=deepcopy(keys_left),
+                    lval=label,
+                    vopts=all_labels[label],
+                    vvals=selected_labels[label]
+                ))
+                keys_left.remove(label)
+
+            # Display row with dd with labels on the left, right side is empty:
+            if show_new and keys_left:
+                container.append(_row(id="new", lopts=keys_left))
+
+            return container
+
+        @app.callback(
             Output("metadata-tput-lat", "children"),
             Output("metadata-hdrh-graph", "children"),
             Output("offcanvas-metadata", "is_open"),
@@ -1253,7 +1755,7 @@ class Layout:
             Input("plot-btn-download", "n_clicks"),
             prevent_initial_call=True
         )
-        def _download_trending_data(store_sel, _):
+        def _download_trending_data(store_sel: list, _) -> dict:
             """Download the data
 
             :param store_sel: List of tests selected by user stored in the
@@ -1272,6 +1774,6 @@ class Layout:
                 sel_data = select_trending_data(self._data, itm)
                 if sel_data is None:
                     continue
-                df = pd.concat([df, sel_data], ignore_index=True)
+                df = pd.concat([df, sel_data], ignore_index=True, copy=False)
 
             return dcc.send_data_frame(df.to_csv, C.TREND_DOWNLOAD_FILE_NAME)
diff --git a/csit.infra.dash/app/cdash/trending/layout.yaml b/csit.infra.dash/app/cdash/trending/layout.yaml
index 0eada51fe3..bc11dde61f 100644
--- a/csit.infra.dash/app/cdash/trending/layout.yaml
+++ b/csit.infra.dash/app/cdash/trending/layout.yaml
@@ -115,3 +115,48 @@ plot-hdrh-latency:
   autosize: True
   paper_bgcolor: "white"
   plot_bgcolor: "white"
+
+plot-trending-telemetry:
+  autosize: True
+  showlegend: True
+  yaxis:
+    showticklabels: True
+    tickformat: ".3s"
+    title: "Metric"
+    hoverformat: ".5s"
+    gridcolor: "rgb(238, 238, 238)"
+    linecolor: "rgb(238, 238, 238)"
+    showline: True
+    zeroline: False
+    tickcolor: "rgb(238, 238, 238)"
+    linewidth: 1
+    showgrid: True
+  xaxis:
+    title: 'Date [MMDD]'
+    type: "date"
+    autorange: True
+    fixedrange: False
+    showgrid: True
+    gridcolor: "rgb(238, 238, 238)"
+    showline: True
+    linecolor: "rgb(238, 238, 238)"
+    zeroline: False
+    linewidth: 1
+    showticklabels: True
+    tickcolor: "rgb(238, 238, 238)"
+    tickmode: "auto"
+    tickformat: "%m%d"
+  margin:
+    r: 20
+    b: 0
+    t: 5
+    l: 70
+  paper_bgcolor: "#fff"
+  plot_bgcolor: "#fff"
+  hoverlabel:
+    namelength: 50
+  legend:
+    orientation: "h"
+    y: -0.2
+    font:
+      size: 12
diff --git a/csit.infra.dash/app/cdash/utils/constants.py b/csit.infra.dash/app/cdash/utils/constants.py
index 135f06f4d4..95acc07c47 100644
--- a/csit.infra.dash/app/cdash/utils/constants.py
+++ b/csit.infra.dash/app/cdash/utils/constants.py
@@ -63,7 +63,7 @@ class Constants:
 
     # Maximal value of TIME_PERIOD for data read from the parquets in days.
     # Do not change without a good reason.
-    MAX_TIME_PERIOD = 180
+    MAX_TIME_PERIOD = 150  # 180
 
     # It defines the time period for data read from the parquets in days from
     # now back to the past.
@@ -79,6 +79,9 @@ class Constants:
     ############################################################################
     # General, application wide, layout affecting constants.
 
+    # Add a time delay (in ms) to the spinner being shown
+    SPINNER_DELAY = 500
+
     # If True, clear all inputs in control panel when button "ADD SELECTED" is
     # pressed.
     CLEAR_ALL_INPUTS = False
diff --git a/csit.infra.dash/app/cdash/utils/control_panel.py b/csit.infra.dash/app/cdash/utils/control_panel.py
index 723f404313..a81495e30c 100644
--- a/csit.infra.dash/app/cdash/utils/control_panel.py
+++ b/csit.infra.dash/app/cdash/utils/control_panel.py
@@ -15,7 +15,7 @@
 """
 
 from copy import deepcopy
-
+from typing import Any
 
 class ControlPanel:
     """A class representing the control panel.
@@ -74,7 +74,7 @@ class ControlPanel:
             else:
                 raise KeyError(f"The key {key} is not defined.")
 
-    def get(self, key: str) -> any:
+    def get(self, key: str) -> Any:
         """Returns the value of a key from the Control panel.
 
         :param key: The key which value should be returned.
diff --git a/csit.infra.dash/app/cdash/utils/telemetry_data.py b/csit.infra.dash/app/cdash/utils/telemetry_data.py
new file mode 100644
index 0000000000..e88b8eed06
--- /dev/null
+++ b/csit.infra.dash/app/cdash/utils/telemetry_data.py
@@ -0,0 +1,330 @@
+# Copyright (c) 2023 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:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""A module implementing the parsing of OpenMetrics data and elementary
+operations with it.
+"""
+
+
+import pandas as pd
+
+from ..trending.graphs import select_trending_data
+
+
+class TelemetryData:
+    """A class to store and manipulate the telemetry data.
+    """
+
+    def __init__(self, tests: list=list()) -> None:
+        """Initialize the object.
+
+        :param in_data: Input data.
+        :param tests: List of selected tests.
+        :type in_data: pandas.DataFrame
+        :type tests: list
+        """
+
+        self._tests = tests
+        self._data = None
+        self._unique_metrics = list()
+        self._unique_metrics_labels = pd.DataFrame()
+        self._selected_metrics_labels = pd.DataFrame()
+
+    def from_dataframe(self, in_data: pd.DataFrame=pd.DataFrame()) -> None:
+        """Read the input from pandas DataFrame.
+
+        This method must be call at the begining to create all data structures.
+        """
+
+        if in_data.empty:
+            return
+
+        df = pd.DataFrame()
+        metrics = set()  # A set of unique metrics
+
+        # Create a dataframe with metrics for selected tests:
+        for itm in self._tests:
+            sel_data = select_trending_data(in_data, itm)
+            if sel_data is not None:
+                sel_data["test_name"] = itm["id"]
+                df = pd.concat([df, sel_data], ignore_index=True, copy=False)
+        # Use only neccessary data:
+        df = df[[
+            "job",
+            "build",
+            "dut_type",
+            "dut_version",
+            "start_time",
+            "passed",
+            "test_name",
+            "test_type",
+            "result_receive_rate_rate_avg",
+            "result_receive_rate_rate_stdev",
+            "result_receive_rate_rate_unit",
+            "result_pdr_lower_rate_value",
+            "result_pdr_lower_rate_unit",
+            "result_ndr_lower_rate_value",
+            "result_ndr_lower_rate_unit",
+            "telemetry"
+        ]]
+        # Transform metrics from strings to dataframes:
+        lst_telemetry = list()
+        for _, row in df.iterrows():
+            d_telemetry = {
+                "metric": list(),
+                "labels": list(),  # list of tuple(label, value)
+                "value": list(),
+                "timestamp": list()
+            }
+            if row["telemetry"] is not None and \
+                    not isinstance(row["telemetry"], float):
+                for itm in row["telemetry"]:
+                    itm_lst = itm.replace("'", "").rsplit(" ", maxsplit=2)
+                    metric, labels = itm_lst[0].split("{")
+                    d_telemetry["metric"].append(metric)
+                    d_telemetry["labels"].append(
+                        [tuple(x.split("=")) for x in labels[:-1].split(",")]
+                    )
+                    d_telemetry["value"].append(itm_lst[1])
+                    d_telemetry["timestamp"].append(itm_lst[2])
+                metrics.update(d_telemetry["metric"])
+            lst_telemetry.append(pd.DataFrame(data=d_telemetry))
+        df["telemetry"] = lst_telemetry
+
+        self._data = df
+        self._unique_metrics = sorted(metrics)
+
+    def from_json(self, in_data: dict) -> None:
+        """Read the input data from json.
+        """
+
+        df = pd.read_json(in_data)
+        lst_telemetry = list()
+        metrics = set()  # A set of unique metrics
+        for _, row in df.iterrows():
+            telemetry = pd.DataFrame(row["telemetry"])
+            lst_telemetry.append(telemetry)
+            metrics.update(telemetry["metric"].to_list())
+        df["telemetry"] = lst_telemetry
+
+        self._data = df
+        self._unique_metrics = sorted(metrics)
+
+    def from_metrics(self, in_data: set) -> None:
+        """Read only the metrics.
+        """
+        self._unique_metrics = in_data
+
+    def from_metrics_with_labels(self, in_data: dict) -> None:
+        """Read only metrics with labels.
+        """
+        self._unique_metrics_labels = pd.DataFrame.from_dict(in_data)
+
+    def to_json(self) -> str:
+        """Return the data transformed from dataframe to json.
+
+        :returns: Telemetry data transformed to a json structure.
+        :rtype: dict
+        """
+        return self._data.to_json()
+
+    @property
+    def unique_metrics(self) -> list:
+        """Return a set of unique metrics.
+
+        :returns: A set of unique metrics.
+        :rtype: set
+        """
+        return self._unique_metrics
+
+    @property
+    def unique_metrics_with_labels(self) -> dict:
+        """
+        """
+        return self._unique_metrics_labels.to_dict()
+
+    def get_selected_labels(self, metrics: list) -> dict:
+        """Return a dictionary with labels (keys) and all their possible values
+        (values) for all selected 'metrics'.
+
+        :param metrics: List of metrics we are interested in.
+        :type metrics: list
+        :returns: A dictionary with labels and all their possible values.
+        :rtype: dict
+        """
+
+        df_labels = pd.DataFrame()
+        tmp_labels = dict()
+        for _, row in self._data.iterrows():
+            telemetry = row["telemetry"]
+            for itm in metrics:
+                df = telemetry.loc[(telemetry["metric"] == itm)]
+                df_labels = pd.concat(
+                    [df_labels, df],
+                    ignore_index=True,
+                    copy=False
+                )
+                for _, tm in df.iterrows():
+                    for label in tm["labels"]:
+                        if label[0] not in tmp_labels:
+                            tmp_labels[label[0]] = set()
+                        tmp_labels[label[0]].add(label[1])
+
+        selected_labels = dict()
+        for key in sorted(tmp_labels):
+            selected_labels[key] = sorted(tmp_labels[key])
+
+        self._unique_metrics_labels = df_labels[["metric", "labels"]].\
+            loc[df_labels[["metric", "labels"]].astype(str).\
+                drop_duplicates().index]
+
+        return selected_labels
+
+    @property
+    def str_metrics(self) -> str:
+        """Returns all unique metrics as a string.
+        """
+        return TelemetryData.metrics_to_str(self._unique_metrics_labels)
+
+    @staticmethod
+    def metrics_to_str(in_data: pd.DataFrame) -> str:
+        """Convert metrics from pandas dataframe to string. Metrics in string
+        are separated by '\n'.
+
+        :param in_data: Metrics to be converted to a string.
+        :type in_data: pandas.DataFrame
+        :returns: Metrics as a string.
+        :rtype: str
+        """
+        metrics = str()
+        for _, row in in_data.iterrows():
+            labels = ','.join([f"{itm[0]}='{itm[1]}'" for itm in row["labels"]])
+            metrics += f"{row['metric']}{{{labels}}}\n"
+        return metrics[:-1]
+
+    def search_unique_metrics(self, string: str) -> list:
+        """Return a list of metrics which name includes the given string.
+
+        :param string: A string which must be in the name of metric.
+        :type string: str
+        :returns: A list of metrics which name includes the given string.
+        :rtype: list
+        """
+        return [itm for itm in self._unique_metrics if string in itm]
+
+    def filter_selected_metrics_by_labels(
+            self,
+            selection: dict
+        ) -> pd.DataFrame:
+        """Filter selected unique metrics by labels and their values.
+
+        :param selection: Labels and their values specified by the user.
+        :type selection: dict
+        :returns: Pandas dataframe with filtered metrics.
+        :rtype: pandas.DataFrame
+        """
+
+        def _is_selected(labels: list, sel: dict) -> bool:
+            """Check if the provided 'labels' are selected by the user.
+
+            :param labels: List of labels and their values from a metric. The
+                items in this lists are two-item-lists whre the first item is
+                the label and the second one is its value.
+            :param sel: User selection. The keys are the selected lables and the
+                values are lists with label values.
+            :type labels: list
+            :type sel: dict
+            :returns: True if the 'labels' are selected by the user.
+            :rtype: bool
+            """
+            passed = list()
+            labels = dict(labels)
+            for key in sel.keys():
+                if key in list(labels.keys()):
+                    if sel[key]:
+                        passed.append(labels[key] in sel[key])
+                    else:
+                        passed.append(True)
+                else:
+                    passed.append(False)
+            return bool(passed and all(passed))
+
+        self._selected_metrics_labels = pd.DataFrame()
+        for _, row in self._unique_metrics_labels.iterrows():
+            if _is_selected(row["labels"], selection):
+                self._selected_metrics_labels = pd.concat(
+                    [self._selected_metrics_labels, row.to_frame().T],
+                    ignore_index=True,
+                    axis=0,
+                    copy=False
+                )
+        return self._selected_metrics_labels
+
+    def select_tm_trending_data(self, selection: dict) -> pd.DataFrame:
+        """Select telemetry data for trending based on user's 'selection'.
+
+        The output dataframe includes these columns:
+            - "job",
+            - "build",
+            - "dut_type",
+            - "dut_version",
+            - "start_time",
+            - "passed",
+            - "test_name",
+            - "test_id",
+            - "test_type",
+            - "result_receive_rate_rate_avg",
+            - "result_receive_rate_rate_stdev",
+            - "result_receive_rate_rate_unit",
+            - "result_pdr_lower_rate_value",
+            - "result_pdr_lower_rate_unit",
+            - "result_ndr_lower_rate_value",
+            - "result_ndr_lower_rate_unit",
+            - "tm_metric",
+            - "tm_value".
+
+        :param selection: User's selection (metrics and labels).
+        :type selection: dict
+        :returns: Dataframe with selected data.
+        :rtype: pandas.DataFrame
+        """
+
+        df = pd.DataFrame()
+
+        if self._data is None:
+            return df
+        if self._data.empty:
+            return df
+        if not selection:
+            return df
+
+        df_sel = pd.DataFrame.from_dict(selection)
+        for _, row in self._data.iterrows():
+            tm_row = row["telemetry"]
+            for _, tm_sel in df_sel.iterrows():
+                df_tmp = tm_row.loc[tm_row["metric"] == tm_sel["metric"]]
+                for _, tm in df_tmp.iterrows():
+                    if tm["labels"] == tm_sel["labels"]:
+                        labels = ','.join(
+                            [f"{itm[0]}='{itm[1]}'" for itm in tm["labels"]]
+                        )
+                        row["tm_metric"] = f"{tm['metric']}{{{labels}}}"
+                        row["tm_value"] = tm["value"]
+                        new_row = row.drop(labels=["telemetry", ])
+                        df = pd.concat(
+                            [df, new_row.to_frame().T],
+                            ignore_index=True,
+                            axis=0,
+                            copy=False
+                        )
+        return df
diff --git a/csit.infra.dash/app/cdash/utils/trigger.py b/csit.infra.dash/app/cdash/utils/trigger.py
index 60ef9a3f91..ac303b6b0b 100644
--- a/csit.infra.dash/app/cdash/utils/trigger.py
+++ b/csit.infra.dash/app/cdash/utils/trigger.py
@@ -14,6 +14,8 @@
 """A module implementing the processing of a trigger.
 """
 
+from typing import Any
+
 from json import loads, JSONDecodeError
 
 
@@ -51,7 +53,7 @@ class Trigger:
         return self._id["type"]
 
     @property
-    def idx(self) -> any:
+    def idx(self) -> Any:
         return self._id["index"]
 
     @property
@@ -59,5 +61,5 @@ class Trigger:
         return self._param
 
     @property
-    def value(self) -> any:
+    def value(self) -> Any:
         return self._val
diff --git a/csit.infra.dash/app/cdash/utils/url_processing.py b/csit.infra.dash/app/cdash/utils/url_processing.py
index 7f0121ef34..c90c54c41f 100644
--- a/csit.infra.dash/app/cdash/utils/url_processing.py
+++ b/csit.infra.dash/app/cdash/utils/url_processing.py
@@ -69,7 +69,7 @@ def url_decode(url: str) -> dict:
         parsed_url = urlparse(url)
     except ValueError as err:
         logging.warning(f"\nThe url {url} is not valid, ignoring.\n{repr(err)}")
-        return None
+        return dict()
 
     if parsed_url.fragment:
         try:
@@ -85,7 +85,7 @@ def url_decode(url: str) -> dict:
                 f"\nEncoded parameters: '{parsed_url.fragment}'"
                 f"\n{repr(err)}"
             )
-            return None
+            return dict()
     else:
         params = None
 
diff --git a/csit.infra.dash/app/cdash/utils/utils.py b/csit.infra.dash/app/cdash/utils/utils.py
index 8584dee067..63e13ce141 100644
--- a/csit.infra.dash/app/cdash/utils/utils.py
+++ b/csit.infra.dash/app/cdash/utils/utils.py
@@ -346,29 +346,34 @@ def set_job_params(df: pd.DataFrame, job: str) -> dict:
     }
 
 
-def get_list_group_items(tests: list) -> list:
-    """Generate list of ListGroupItems with checkboxes with selected tests.
-
-    :param tests: List of tests to be displayed in the ListGroup.
-    :type tests: list
-    :returns: List of ListGroupItems with checkboxes with selected tests.
+def get_list_group_items(items: list, type: str, colorize: bool=True) -> list:
+    """Generate list of ListGroupItems with checkboxes with selected items.
+
+    :param items: List of items to be displayed in the ListGroup.
+    :param type: The type part of an element ID.
+    :param colorize: If True, the color of labels is set, otherwise the default
+        color is used.
+    :type items: list
+    :type type: str
+    :type colorize: bool
+    :returns: List of ListGroupItems with checkboxes with selected items.
     :rtype: list
     """
     return [
         dbc.ListGroupItem(
             children=[
                 dbc.Checkbox(
-                    id={"type": "sel-cl", "index": i},
-                    label=l["id"],
+                    id={"type": type, "index": i},
+                    label=l["id"] if isinstance(l, dict) else l,
                     value=False,
                     label_class_name="m-0 p-0",
                     label_style={
                         "font-size": ".875em",
-                        "color": get_color(i)
+                        "color": get_color(i) if colorize else "#55595c"
                     },
                     class_name="info"
                 )
             ],
             class_name="p-0"
-        ) for i, l in enumerate(tests)
+        ) for i, l in enumerate(items)
     ]